@import "https://fonts.googleapis.com/css2?family=Gveret+Levin&display=swap&subset=hebrew";:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--bs-font-heading:"Gveret Levin", "Heebo", "Assistant", "Segoe UI", system-ui, sans-serif;--bs-font-body:"Heebo", "Assistant", "Segoe UI", system-ui, sans-serif;--sans:var(--bs-font-body);--heading:var(--bs-font-heading);--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--bs-font-body);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}body{font-family:var(--bs-font-body);background-color:#fbf9ed;background-image:linear-gradient(#0000 25px,#786e541f 26px,#0000 27px);background-size:100% 27px;margin:0}button,input,select,textarea{font-family:var(--bs-font-body)}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1280px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}h1,h2,h3,h4,h5,h6{font-family:var(--bs-font-heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}.bs-hand{font-family:var(--bs-font-heading);letter-spacing:.3px;color:#4a4f59;font-weight:400}.bs-home-h2.bs-hand{color:#4a4f59;font-size:28px}@media (width<=760px){.bs-home-h2.bs-hand{font-size:25px}}a:focus-visible,button:focus-visible,[role=button]:focus-visible,[tabindex]:focus-visible,summary:focus-visible{outline-offset:2px;border-radius:4px;outline:2px solid #1d4ed8}.bs-skip-link{top:0;z-index:2000;color:#fff;font-family:var(--bs-font-body);background:#1d4ed8;border-radius:0 0 8px 8px;padding:10px 16px;font-size:14px;font-weight:600;text-decoration:none;transition:transform .14s;position:fixed;inset-inline-start:12px;transform:translateY(-130%)}.bs-skip-link:focus{outline-offset:-4px;outline:2px solid #fff;transform:translateY(0)}@media (prefers-reduced-motion:reduce){.bs-skip-link{transition:none}}.bs-save-solved-row{justify-content:center;margin-top:24px;margin-bottom:16px;display:flex}.bs-save-solved-btn{font-size:16px;font-weight:600;font-family:var(--bs-font-body);color:#065f46;cursor:pointer;background:linear-gradient(#10b9811a,#fffdf6f2 90%);border:1px solid #10b98173;border-radius:8px;padding:12px 28px;transition:background .2s,border-color .2s,transform 80ms;box-shadow:0 1px 2px #14181f0a}.bs-save-solved-btn:hover{background:linear-gradient(#10b9812e,#fffdf6fa 90%);border-color:#10b981a6}.bs-save-solved-btn:active{transform:translateY(1px)}.bs-home-recent__item--solved{background:linear-gradient(#10b98114,#fffdf6f2 90%)!important;border-color:#10b98159!important}.bs-academic-equilibrium{background-color:#fbf9f0;background-image:url(/landing-preview/background.png);background-position:top;background-repeat:no-repeat;background-size:cover;border-radius:0;margin:14px -18px -18px;padding:14px 18px 18px}#bs-sec-N .bs-card-body,#bs-sec-S .bs-card-body,#bs-sec-M .bs-card-body{background-color:#fbf9f0;background-image:url(/landing-preview/background.png);background-position:top;background-repeat:no-repeat;background-size:cover}.bs-auth-submit{color:#fff!important;background:#0e121c!important;border:1px solid #0e121c!important;border-radius:9px!important;box-shadow:0 1px 2px #0e121c38!important}.bs-auth-submit:not(:disabled):hover{background:#1c2232!important;border-color:#1c2232!important;box-shadow:0 6px 16px -4px #0e121c66!important}.bs-auth-submit:not(:disabled):active{transform:translateY(0)!important;box-shadow:0 1px 2px #0e121c33!important}.bs-auth-input{color:#fff!important;background:#ffffff0f!important;border-color:#ffffff24!important}.bs-auth-input::placeholder{color:#ffffff6b!important;opacity:1!important}.bs-auth-input:hover{border-color:#ffffff47!important}.bs-auth-input:focus{background:#ffffff1a!important;border-color:#60a5fa!important;box-shadow:0 0 0 3px #60a5fa38!important}.bs-auth-field:focus-within .bs-auth-field-icon{color:#60a5fa!important;opacity:1!important}.bs-auth-field-icon{color:#ffffff6b!important;opacity:1!important}.bs-auth-input:-webkit-autofill{-webkit-text-fill-color:#fff!important;caret-color:#fff!important;-webkit-box-shadow:inset 0 0 0 1000px #14171d!important}.bs-auth-input:-webkit-autofill:hover{-webkit-text-fill-color:#fff!important;caret-color:#fff!important;-webkit-box-shadow:inset 0 0 0 1000px #14171d!important}.bs-auth-input:-webkit-autofill:focus{-webkit-text-fill-color:#fff!important;caret-color:#fff!important;-webkit-box-shadow:inset 0 0 0 1000px #14171d!important}.bs-auth-motto-card{color:#fff!important;background:#0a0c12d9!important;border:1px solid #ffffff1a!important;border-top-color:#ffffff2e!important;box-shadow:inset 0 1px #ffffff0f,0 1px 3px #0e121c24!important}.bs-auth-motto-arrow{color:#ffffff73!important}.bs-auth-toggle{color:#93c5fd!important;opacity:1!important;border-bottom-color:#93c5fd73!important}.bs-auth-toggle:hover{color:#bfdbfe!important;opacity:1!important;border-bottom-color:#93c5fdbf!important}.bs-auth-toggle:focus-visible{outline-color:#93c5fd80!important}.bs-auth-card{color:#fff!important;background:#0a0c12!important;border:1px solid #ffffff14!important;max-width:440px!important;padding:36px 32px 28px!important;box-shadow:0 1px 2px #0f172a14,0 8px 20px -6px #0f172a38,0 24px 48px -16px #0f172a5c!important}.bs-auth-card h1,.bs-auth-card h2,.bs-auth-card h3,.bs-auth-card h4,.bs-auth-card h5,.bs-auth-card p,.bs-auth-card label,.bs-auth-card span:not(.bs-auth-motto-card span):not(.bs-auth-submit span){color:#fff!important}.bs-auth-card label{color:#cbd5e1!important}.bs-auth-privacy{color:#ffffff9e!important;opacity:1!important}.bs-otp-box{color:#fff!important;background:#ffffff0f!important;border-color:#ffffff24!important}.bs-otp-box:focus{border-color:#60a5fa!important;box-shadow:0 0 0 3px #60a5fa38!important}.bs-auth-consent{color:#cbd5e1!important}.bs-auth-consent a{color:#93c5fd!important}.bs-auth-consent a:hover{color:#bfdbfe!important}.bs-auth-input option,.bs-auth-input optgroup,select.bs-auth-input option,select.bs-auth-input optgroup{color:#0a0c12!important;background-color:#fff!important}.bs-auth-legal-footer{z-index:50;-webkit-backdrop-filter:blur(4px);background:#fffffff5;border-top:1px solid #0e121c1a;justify-content:center;align-items:center;gap:14px;padding:10px 20px;font-size:12px;display:flex;position:fixed;bottom:0;left:0;right:0}.bs-auth-legal-link{color:#0a0c12;letter-spacing:.1px;font-weight:500;text-decoration:none;transition:color .14s}.bs-auth-legal-link:hover{color:#1c2232;text-decoration:underline}.bs-auth-legal-sep{color:#0a0c1259;pointer-events:none;font-size:11px}.bs-auth-page{padding-bottom:80px!important}.bs-a11y-fab{bottom:56px!important}.bs-home-start__btn--alt:after{z-index:2!important;top:-10px!important;box-shadow:0 1px 3px #14181f1f!important}.bs-home-start__actions{padding-top:14px!important}.bs-home-start__btn{will-change:transform!important;transition:background .16s,box-shadow .22s,transform .18s cubic-bezier(.34,1.4,.64,1)!important;position:relative!important;overflow:visible!important;transform:translateZ(0)!important}.bs-home-start__btn:before{content:""!important;border-radius:inherit!important;clip-path:inset(0 round 9px)!important;pointer-events:none!important;z-index:0!important;background:linear-gradient(130deg,#ffffff1a 0%,#ffffff0a 45%,#fff0 60%)!important;transition:opacity .2s!important;position:absolute!important;inset:0!important}.bs-home-start__btn>*{z-index:1!important;position:relative!important}.bs-home-start__btn:hover{transform:translateY(-1px)scale(1.02)!important;box-shadow:0 8px 22px -6px #14181f8c!important}.bs-home-start__btn:hover:before{opacity:.7!important}.bs-home-start__btn:active{transform:translateY(1px)scale(.99)!important;box-shadow:0 1px 2px #14181f40!important}.bs-home-start__btn--alt{will-change:transform!important;transition:background .16s,box-shadow .22s,transform .18s cubic-bezier(.34,1.4,.64,1),border-color .16s!important;transform:translateZ(0)!important}.bs-home-start__btn--alt:before{content:""!important;border-radius:inherit!important;clip-path:inset(0 round 9px)!important;pointer-events:none!important;z-index:0!important;background:linear-gradient(130deg,#fff9 0%,#fff3 40%,#fff0 60%)!important;position:absolute!important;inset:0!important}.bs-home-start__btn--alt>*{z-index:1!important;position:relative!important}.bs-home-start__btn--alt:hover{border-color:#1f243047!important;transform:translateY(-1px)scale(1.018)!important}.bs-home-start__btn--alt:active{transform:translateY(0)scale(.99)!important}.bs-home-hd__logout{will-change:transform!important;transition:background .14s,border-color .14s,transform .16s cubic-bezier(.34,1.4,.64,1)!important;transform:translateZ(0)!important}.bs-home-hd__logout:hover{transform:scale(1.04)!important}.bs-home-hd__logout:active{transform:scale(.97)!important}.bs-home-recent__item{will-change:transform!important;transition:box-shadow .2s,transform .18s cubic-bezier(.34,1.4,.64,1)!important;transform:translateZ(0)!important}.bs-home-recent__item:hover{transform:translateY(-2px)scale(1.012)!important;box-shadow:0 8px 24px -8px #0e121c2e!important}.bs-home-recent__item:active{transform:translateY(0)scale(.998)!important}.bs-link-card{will-change:transform!important;transition:box-shadow .2s,transform .18s cubic-bezier(.34,1.4,.64,1)!important;transform:translateZ(0)!important}.bs-link-card:hover{transform:translateY(-3px)scale(1.015)!important;box-shadow:0 12px 32px -8px #0e121c29!important}.bs-link-card:active{transform:translateY(0)scale(.998)!important}.bs-footer__social a{will-change:transform!important;transition:transform .16s cubic-bezier(.34,1.4,.64,1)!important;transform:translateZ(0)!important}.bs-footer__social a:hover{transform:scale(1.08)!important}.bs-auth-submit{will-change:transform!important;transition:background .16s,box-shadow .22s,transform .18s cubic-bezier(.34,1.4,.64,1)!important;overflow:visible!important;transform:translateZ(0)!important}.bs-auth-submit:before{content:""!important;border-radius:inherit!important;clip-path:inset(0 round 9px)!important;pointer-events:none!important;z-index:0!important;background:linear-gradient(130deg,#ffffff1f 0%,#ffffff0a 45%,#fff0 65%)!important;position:absolute!important;inset:0!important}.bs-auth-submit:not(:disabled):hover{transform:translateY(-1px)scale(1.015)!important}.bs-a11y-fab{will-change:transform!important;transition:transform .16s cubic-bezier(.34,1.4,.64,1)!important;transform:translateZ(0)!important}.bs-a11y-fab:hover{transform:scale(1.08)!important}.bs-auth-toggle{transition:opacity .14s,border-bottom-color .14s!important}@media (prefers-reduced-motion:reduce){.bs-home-start__btn,.bs-home-start__btn--alt,.bs-home-hd__logout,.bs-home-recent__item,.bs-link-card,.bs-footer__social a,.bs-auth-submit,.bs-a11y-fab{will-change:auto!important;transition:background .16s,box-shadow .16s,opacity .16s!important;transform:none!important}}.bs-blind-center{text-align:center;margin-bottom:14px}.bs-blind-bar{width:auto;font-family:var(--bs-font-body);background:#fffdf6;border:1px solid #e3dfce;border-radius:10px;flex-wrap:wrap;align-items:center;gap:10px 16px;margin:8px 0 14px;padding:10px 14px;display:inline-flex;box-shadow:0 1px 2px #14181f0a}.bs-blind-toggle{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:10px;display:inline-flex}.bs-blind-toggle input[type=checkbox]{clip:rect(0 0 0 0);border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.bs-blind-toggle-track{background:#d1d5db;border-radius:999px;flex-shrink:0;width:44px;height:24px;transition:background .16s;display:inline-block;position:relative}.bs-blind-toggle-knob{background:#fff;border-radius:50%;width:20px;height:20px;transition:transform .16s;position:absolute;top:2px;left:2px;box-shadow:0 1px 2px #0003}.bs-blind-toggle input:checked+.bs-blind-toggle-track{background:#10b981}.bs-blind-toggle input:checked+.bs-blind-toggle-track .bs-blind-toggle-knob{transform:translate(20px)}.bs-blind-toggle input:focus-visible+.bs-blind-toggle-track{outline-offset:2px;outline:2px solid #c7b78a}.bs-blind-toggle-label{color:#14181f;font-size:13.5px;font-weight:600}.bs-blind-desc{color:#6b7280;flex:240px;font-size:12px;line-height:1.45}.bs-blind-graph-wrap{isolation:isolate;position:relative}.bs-blind-overlay{z-index:2;-webkit-backdrop-filter:blur(8px);text-align:center;font-family:var(--bs-font-body);background:#fffdf6eb;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:16px;animation:.22s both bs-blind-fade;display:flex;position:absolute;inset:0}@keyframes bs-blind-fade{0%{opacity:0}to{opacity:1}}.bs-blind-overlay-icon{font-size:32px;line-height:1}.bs-blind-overlay-title{color:#14181f;font-size:16px;font-weight:700}.bs-blind-overlay-sub{color:#4b5563;max-width:360px;font-size:13px;line-height:1.45}@media (prefers-reduced-motion:reduce){.bs-blind-overlay{animation:none}}.bs-reaction-cell{flex-direction:column;align-items:stretch;gap:8px;min-width:0;display:flex}.bs-show-on-beam-btn{color:#047857;font-family:var(--bs-font-body);cursor:pointer;text-align:center;-webkit-user-select:none;user-select:none;background:#10b98114;border:1px solid #10b98173;border-radius:8px;padding:6px 10px;font-size:12px;font-weight:600;line-height:1.3;transition:background .14s,color .14s,border-color .14s}.bs-show-on-beam-btn:hover{color:#064e3b;background:#10b9812e;border-color:#10b981}.bs-show-on-beam-btn:focus-visible{outline-offset:2px;outline:2px solid #10b981}.bs-show-on-beam-btn--active{color:#fff;background:#10b981;border-color:#10b981}.bs-show-on-beam-btn--active:hover{color:#fff;background:#047857;border-color:#047857}.bs-stage-chip{width:max-content;font-family:var(--bs-font-body);color:#4b3f2a;background:#c7b78a29;border:1px solid #d6cfb0;border-radius:999px;justify-content:center;align-items:baseline;gap:6px;margin:12px auto 8px;padding:6px 14px;font-size:13px;display:flex}.bs-stage-chip-label{color:#14181f;font-weight:700}.bs-stage-chip-name{color:#6b5d3e;font-weight:500}.bs-stage-row{justify-content:center;align-items:center;gap:16px;margin:12px auto 8px;display:flex}.bs-stage-row .bs-stage-chip{margin:0}.bs-stage-back-btn{color:#14181f;font-family:var(--bs-font-body);cursor:pointer;background:#fff;border:1.5px solid #4b3f2a;border-radius:14px;padding:6px 18px;font-size:14px;font-weight:600;line-height:1.4;transition:background .12s,transform .12s,box-shadow .12s;box-shadow:0 1px 2px #0000000f}.bs-stage-back-btn:hover{background:#f5efde;transform:translate(-2px);box-shadow:0 2px 4px #00000014}.bs-stage-back-btn:focus-visible{outline-offset:2px;outline:2px solid #4b3f2a}.bs-stage-advance{justify-content:center;margin:16px auto 24px;animation:.32s cubic-bezier(.22,1.4,.36,1) both bs-stage-advance-pop;display:flex}@keyframes bs-stage-advance-pop{0%{opacity:0;transform:translateY(-3px)scale(.96)}to{opacity:1;transform:translateY(0)scale(1)}}.bs-stage-advance-btn{color:#fff;font-family:var(--bs-font-body);cursor:pointer;background:#10b981;border:1.5px solid #10b981;border-radius:999px;padding:10px 22px;font-size:14.5px;font-weight:700;transition:background .16s,border-color .16s,transform .12s,box-shadow .16s;box-shadow:0 2px 6px #10b98138}.bs-stage-advance-btn:hover{background:#047857;border-color:#047857;box-shadow:0 3px 10px #04785752}.bs-stage-advance-btn:active{transform:translateY(1px)}.bs-stage-advance-btn:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}body.bst-workspace-mode .bs-stage-advance-btn{color:#f1f5f9!important;box-shadow:none!important;background:#0a0c12c7!important;border-color:#ffffff14!important}body.bst-workspace-mode .bs-stage-advance-btn:hover{background:#141824db!important;border-color:#ffffff24!important}@media (prefers-reduced-motion:reduce){.bs-stage-advance{animation:none}.bs-stage-advance-btn{transition:none}}.bs-stage-advance--dual{flex-wrap:wrap;gap:10px}.bs-stage-save-btn{color:#4b3f2a;font-family:var(--bs-font-body);cursor:pointer;background:0 0;border:1.5px solid #c7b78a;border-radius:999px;padding:10px 20px;font-size:14px;font-weight:600;transition:background .16s,border-color .16s,color .16s}.bs-stage-save-btn:hover:not(:disabled){color:#1f2430;background:#c7b78a2e;border-color:#8a8676}.bs-stage-save-btn:active:not(:disabled){transform:translateY(1px)}.bs-stage-save-btn:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bs-stage-save-btn:disabled{cursor:default;color:#047857;background:#10b9811a;border-color:#10b98173}@media (prefers-reduced-motion:reduce){.bs-stage-save-btn{transition:none}}.bs-form-top-row{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin-bottom:10px;display:grid}.bs-input-fs{font-family:var(--bs-font-body);color:#1f2430}.bs-input-fs>legend{font-family:var(--bs-font-body);color:#6b5d3e;letter-spacing:.3px;text-transform:none;padding:0 8px;font-size:12.5px;font-weight:700}.bs-input-fs label{font-family:var(--bs-font-body);color:#4b3f2a;font-size:13px}.bs-input-fs input[type=number],.bs-input-fs select{font-family:var(--bs-font-body);color:#1f2430;background:#fffdf6;border:1px solid #d6cfb0;border-radius:6px;padding:5px 10px;font-size:15.5px;transition:border-color .16s,background .16s}.bs-input-fs input[type=number]:focus,.bs-input-fs select:focus{background:#fff;border-color:#8a8676;outline:none}.bs-input-fs select{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}.bs-input-fs select option,.bs-input-fs select optgroup{color:#1f2430;font-family:var(--bs-font-body);background-color:#fff;padding:6px 12px;font-size:15.5px;line-height:1.6}.bs-input-fs select optgroup{color:#6b5d3e;font-size:15.5px;font-weight:700}.bs-input-fs input[type=number]:disabled,.bs-input-fs select:disabled{color:#94928a;cursor:not-allowed;background:#c7b78a14}.bs-input-fs .bs-add-btn{color:#4b3f2a;font-family:var(--bs-font-body);cursor:pointer;background:#c7b78a2e;border:1px dashed #c7b78a;border-radius:999px;margin-top:4px;padding:4px 14px;font-size:12.5px;font-weight:600;transition:background .14s,border-color .14s,color .14s}.bs-input-fs .bs-add-btn:hover{color:#1f2430;background:#c7b78a52;border-color:#8a8676}.bs-input-fs .bs-add-btn:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bs-input-fs .bs-remove-btn{color:#8a5a1a;font-family:var(--bs-font-body);cursor:pointer;background:0 0;border:1px solid #d6cfb0;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:500;transition:background .14s,border-color .14s,color .14s}.bs-input-fs .bs-remove-btn:hover{color:#6b3f0a;background:#b88a4a1a;border-color:#b88a4a}.bs-input-fs .bs-remove-btn:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}@media (prefers-reduced-motion:reduce){.bs-input-fs input[type=number],.bs-input-fs select,.bs-input-fs .bs-add-btn,.bs-input-fs .bs-remove-btn{transition:none}}.bs-landing-hook{color:#2c313b;letter-spacing:-.01em;text-align:center;margin:4px 0 8px;font-size:26px;font-weight:700;line-height:1.25}@media (width<=640px){.bs-landing-hook{font-size:22px}}.bs-landing-preview{background:#fbf9f0c7;border:1px solid #2c313b1a;border-radius:12px;width:100%;max-width:1000px;margin:32px auto 0;padding:22px 18px 24px;box-shadow:inset 0 1px #ffffffd9}@media (width>=1080px){.bs-landing-preview{width:1000px;max-width:none;margin:32px -240px 0}}.bs-landing-preview-title{color:#2c313b;text-align:center;letter-spacing:.005em;margin:0 0 18px;font-size:20px;font-weight:600}.bs-landing-preview-title:before,.bs-landing-preview-title:after{content:"·";color:#8a8f57;margin:0 10px;font-weight:400}.bs-landing-stages{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}@media (width>=1080px){.bs-landing-stages{grid-template-columns:repeat(4,1fr);gap:14px}}@media (width<=720px){.bs-landing-stages{grid-template-columns:1fr}}.bs-landing-stage{background:#fff;border:1px solid #2c313b14;border-radius:10px;flex-direction:column;gap:10px;margin:0;padding:12px 12px 14px;display:flex}.bs-landing-image{background:#fbf9f0;border:1px solid #2c313b12;border-radius:6px;width:100%;height:auto;display:block}.bs-landing-caption{text-align:center;color:#2c313b;flex-direction:column;gap:4px;line-height:1.45;display:flex}.bs-landing-caption-title{color:#2c313b;letter-spacing:.005em;font-size:14px;font-weight:700}.bs-landing-caption-text{color:#475569;font-size:12.5px;font-weight:400}.bs-landing-features{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;width:100%;max-width:1000px;margin:32px auto 0;padding:0;display:grid}@media (width>=1080px){.bs-landing-features{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;width:1000px;max-width:none;margin:32px -240px 0}}@media (width<=720px){.bs-landing-features{grid-template-columns:1fr}}.bs-landing-features-title{color:#2c313b;text-align:center;letter-spacing:.005em;grid-column:1/-1;margin:0 0 6px;font-size:20px;font-weight:600}.bs-landing-features-title:before,.bs-landing-features-title:after{content:"·";color:#8a8f57;margin:0 10px;font-weight:400}.bs-landing-feature{background:#fff;border:1px solid #2c313b1a;border-radius:10px;padding:0;line-height:0;overflow:hidden}.bs-landing-feature-asset{width:100%;height:auto;display:block}.bs-landing-cta{text-align:center;background:#fbf9f0d9;border:1px solid #2c313b1a;border-radius:12px;width:100%;max-width:1000px;margin:32px auto 0;padding:28px 24px 30px;box-shadow:inset 0 1px #ffffffd9}@media (width>=1080px){.bs-landing-cta{width:1000px;max-width:none;margin:32px -240px 0}}.bs-landing-cta-title{color:#2c313b;margin:0 0 10px;font-size:22px;font-weight:600;line-height:1.35}.bs-landing-cta-text{color:#475569;margin:0 0 20px;font-size:14.5px;line-height:1.5}.bs-landing-cta-button{color:#fbf9f0;cursor:pointer;background:#2c313b;border:0;border-radius:8px;align-items:center;gap:10px;padding:12px 32px;font-family:inherit;font-size:15px;font-weight:600;transition:background-color .15s;display:inline-flex}.bs-landing-cta-button:hover{background:#1e2229}.bs-landing-cta-button:focus-visible{outline-offset:3px;outline:2px solid #8a8f57}.bs-landing-cta-button-arrow{font-size:16px;line-height:1}.bs-stage-export-btn{color:#1f2430;cursor:pointer;background:#fffdf6;border:1px solid #c7bfa6;border-radius:8px;padding:10px 18px;font-family:inherit;font-size:15px;font-weight:600;transition:background .14s,border-color .14s,transform 80ms}.bs-stage-export-btn:hover{background:#f3eed8;border-color:#a08653}.bs-stage-export-btn:active{transform:translateY(1px)}.bs-stage-export-btn:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bst-workspace{grid-template-columns:minmax(640px,60fr) minmax(440px,40fr);align-items:start;gap:0;width:100%;display:grid}@media (width<=1199px){.bst-workspace{grid-template-columns:1fr}}.bst-canvas{background:#fff;min-height:100%;padding:32px}.bst-canvas-stack{flex-direction:column;gap:32px;display:flex}.bst-canvas-layer{display:block;position:relative}.bst-canvas-layer-label{font-family:var(--bs-font-heading,ui-monospace, "Consolas", monospace);letter-spacing:1.2px;color:#111827eb;margin-bottom:14px;padding-inline:4px;font-size:20px;font-weight:600}.bst-canvas-layer--placeholder .bst-canvas-layer-label{opacity:.35}.bst-canvas-layer-spacer{background:0 0;width:100%}.bst-canvas-layer--schematic .bst-canvas-layer-spacer{min-height:400px}.bst-canvas-layer--n .bst-canvas-layer-spacer{min-height:320px}.bst-canvas-layer--s .bst-canvas-layer-spacer,.bst-canvas-layer--m .bst-canvas-layer-spacer{min-height:420px}.bst-canvas-layer--revealed .bst-canvas-layer-label{opacity:.7}.bst-canvas-layer--revealing{animation:.32s cubic-bezier(.22,1,.36,1) both bst-layer-reveal}@keyframes bst-layer-reveal{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){.bst-canvas-layer--revealing{animation:none}}.bst-canvas .bs-graph-frame{box-shadow:none;background:0 0;border:none;padding:0}.bst-canvas .bs-graph-frame>svg{background:0 0}.bst-calc-area{-webkit-backdrop-filter:blur(18px)saturate(140%);color:#e5e7eb;background:linear-gradient(#0f111cc7 0%,#141826d6 100%);border-left:1px solid #ffffff0f;min-height:100%;padding:32px}.bst-glass-stack{display:block;position:relative}.bst-glass-card{-webkit-backdrop-filter:blur(12px);color:inherit;background:#ffffff0a;border:1px solid #ffffff14;border-radius:14px;padding:24px;position:relative}.bst-glass-card--active{z-index:2}.bst-glass-card--peek{opacity:.4;pointer-events:none;z-index:1;position:absolute;inset:8px 0 auto;transform:translateY(8px)scale(.98)}.bst-glass-card-header{letter-spacing:1.4px;color:#ffffff8c;margin-bottom:18px;font-size:13px}.bst-glass-card-body{display:block}.bst-glass-card-footer{border-top:1px solid #ffffff0f;justify-content:space-between;align-items:center;gap:12px;margin-top:24px;padding-top:16px;display:flex}.bst-glass-card--entering{animation:.36s cubic-bezier(.22,1,.36,1) both bst-glass-card-enter}.bst-glass-card--exiting{animation:.28s cubic-bezier(.4,0,.6,1) both bst-glass-card-exit}@keyframes bst-glass-card-enter{0%{opacity:0;transform:translateY(12px)scale(.985)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes bst-glass-card-exit{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(20px)}}@media (prefers-reduced-motion:reduce){.bst-glass-card--entering,.bst-glass-card--exiting{animation:none}}.bst-canvas{flex-direction:column;max-height:100vh;display:flex;overflow:hidden}.bst-canvas-stack{flex:1;grid-template-rows:1.4fr 1fr 1fr 1fr;gap:20px;min-height:0;display:grid}.bst-canvas-layer{flex-direction:column;min-height:0;display:flex}.bst-canvas-layer .bs-graph-frame{flex:1;justify-content:center;align-items:center;min-height:0;display:flex}.bst-canvas-layer .bs-graph-frame>svg{width:100%;max-width:100%;height:100%;max-height:100%;display:block}.bst-canvas-layer-spacer{flex:1;min-height:0}.bst-calc-area{-webkit-backdrop-filter:none;color:inherit;background:0 0;border-left:1px solid #e5e7eb}body.bst-workspace-mode #root{border-inline:none;width:100%;max-width:none;margin:0}body.bst-workspace-mode .bs-notebook{min-height:100vh;background-color:#0000!important;background-image:none!important;width:100%!important;max-width:none!important;margin:0!important;padding:0!important}body.bst-workspace-mode{background-color:#0000;background-image:url(/bst-bg.png);background-position:50%;background-repeat:no-repeat;background-size:cover;background-attachment:fixed;max-width:100vw;overflow-x:hidden}body.bst-workspace-mode .bst-workspace{direction:ltr;grid-template-columns:minmax(0,60fr) minmax(0,40fr);width:100%;max-width:100vw}body.bst-workspace-mode .bst-workspace>*{direction:rtl;min-width:0}body.bst-workspace-mode .bst-calc-area{-webkit-backdrop-filter:none;background-color:#0000;background-image:none;border:none;border-radius:0;align-self:start;height:fit-content;min-height:0;overflow-x:hidden}body.bst-workspace-mode .bst-canvas{min-height:100vh;max-height:none;padding:16px;overflow:hidden visible;background:0 0!important}body.bst-workspace-mode .bst-canvas-stack{flex-direction:column;gap:8px;display:flex}body.bst-workspace-mode .bst-canvas-layer .bs-graph-frame>div{margin-top:0!important;margin-bottom:0!important}body.bst-workspace-mode .bst-canvas-layer-label{margin-bottom:4px}body.bst-workspace-mode .bst-canvas-layer .bs-graph-frame{flex:initial;min-height:0;display:block}body.bst-workspace-mode .bst-canvas-layer .bs-graph-frame>div>svg{display:block;background:0 0!important;border:none!important;width:100%!important;max-width:100%!important;height:auto!important}body.bst-workspace-mode:not(.bst-exercise-complete) #bs-results-region>div:first-child,body.bst-workspace-mode:not(.bst-exercise-complete) #bs-results-region>.bs-stage-row{display:none}body.bst-workspace-mode:not(.bst-exercise-complete) .bst-canvas-layer .bs-graph-frame{width:100%}body.bst-workspace-mode:not(.bst-exercise-complete) .bst-canvas-layer--n .bs-graph-frame>div>svg,body.bst-workspace-mode:not(.bst-exercise-complete) .bst-canvas-layer--s .bs-graph-frame>div>svg,body.bst-workspace-mode:not(.bst-exercise-complete) .bst-canvas-layer--m .bs-graph-frame>div>svg{width:87.2%!important;margin-left:5.32%!important;margin-right:7.48%!important}body.bst-workspace-mode.bst-exercise-complete .bst-canvas{height:auto;min-height:100vh;max-height:none;overflow:visible}body.bst-workspace-mode.bst-exercise-complete .bst-calc-area{height:auto;max-height:none;overflow:visible}body.bst-workspace-mode.bst-exercise-complete .bst-workspace{overflow:visible}body.bst-workspace-mode .bst-calc-area{max-height:none;padding:16px;overflow-y:visible}html body.bst-workspace-mode .bs-userbar button{color:#f1f5f9!important;background-color:#0a0c12c7!important;background-image:none!important;border:1px solid #ffffff14!important}html body.bst-workspace-mode .bs-userbar button:hover{background-color:#141824db!important;border-color:#ffffff24!important}body.bst-workspace-mode .bs-userbar-greet{color:#f1f5f9;background-color:#0a0c12c7;border:1px solid #ffffff14;border-radius:9px;padding:6px 14px}body.bst-workspace-mode .bst-calc-area .bs-card{color:#f1f5f9!important;background-color:#0a0c12f2!important;background-image:none!important;border:1px solid #ffffff14!important}body.bst-workspace-mode .bst-calc-area .bs-card-title{color:#f1f5f9!important}.bs-card.bs-card--dark{background:#0a0c12!important}.bs-card.bs-card--dark :not(input):not(textarea):not(select):not(svg):not(path):not(line):not(polygon):not(rect):not(circle):not(text){background:0 0!important}.bs-card.bs-card--dark,.bs-card.bs-card--dark :not(input):not(textarea):not(select){color:#fff!important}body.bst-workspace-mode .bs-card#bs-sec-N,body.bst-workspace-mode .bs-card#bs-sec-S,body.bst-workspace-mode .bs-card#bs-sec-M{color:#f1f5f9!important;background:#0a0c12!important;border:1px solid #ffffff14!important}body.bst-workspace-mode .bs-card#bs-sec-N .bs-card-title,body.bst-workspace-mode .bs-card#bs-sec-S .bs-card-title,body.bst-workspace-mode .bs-card#bs-sec-M .bs-card-title{color:#f1f5f9!important}body.bst-workspace-mode .bs-card#bs-sec-N :not(input):not(textarea):not(select),body.bst-workspace-mode .bs-card#bs-sec-S :not(input):not(textarea):not(select),body.bst-workspace-mode .bs-card#bs-sec-M :not(input):not(textarea):not(select){color:#fff!important}body.bst-workspace-mode .bs-card#bs-sec-N [class*=bs-na-]:not(input):not(textarea):not(select),body.bst-workspace-mode .bs-card#bs-sec-S [class*=bs-sa-]:not(input):not(textarea):not(select),body.bst-workspace-mode .bs-card#bs-sec-M [class*=bs-mo-]:not(input):not(textarea):not(select){box-shadow:none!important;background:0 0!important;border:none!important}body.bst-workspace-mode .bs-card#bs-sec-N div[style*="rgb(254, 252, 232)"],body.bst-workspace-mode .bs-card#bs-sec-S div[style*="rgb(254, 252, 232)"],body.bst-workspace-mode .bs-card#bs-sec-M div[style*="rgb(254, 252, 232)"]{background:0 0!important;border-color:#ffffff26!important}body.bst-workspace-mode .bs-card.bs-card--dark input,body.bst-workspace-mode .bs-card.bs-card--dark textarea,body.bst-workspace-mode .bs-card.bs-card--dark select{color:#111!important;caret-color:#111!important;background:#fff!important;border:1px solid #00000026!important}body.bst-workspace-mode .bs-card.bs-card--dark input::placeholder,body.bst-workspace-mode .bs-card.bs-card--dark textarea::placeholder{color:#0006!important}.bs-udl-sub-input--correct,.bs-inc-sub-input--correct,.bs-fx-input--correct,.bs-rxn-input--correct,.bs-fyc-input--correct,.bs-ma-input--correct,.bs-mb-input--correct,.bs-na-input--correct,.bs-sa-input--correct,.bs-mo-input--correct{color:#166534!important;background:#dcfce7!important;border:1.5px solid #16a34a!important;font-weight:600!important}.bs-udl-sub-input--wrong,.bs-inc-sub-input--wrong,.bs-fx-input--wrong,.bs-rxn-input--wrong,.bs-fyc-input--wrong,.bs-ma-input--wrong,.bs-mb-input--wrong,.bs-na-input--wrong,.bs-sa-input--wrong,.bs-mo-input--wrong{color:#991b1b!important;background:#fee2e2!important;border:1.5px solid #dc2626!important}body.bst-workspace-mode .bs-card.bs-card--dark .bs-udl-sub-input--correct,body.bst-workspace-mode .bs-card.bs-card--dark .bs-inc-sub-input--correct,body.bst-workspace-mode .bs-card.bs-card--dark .bs-fx-input--correct,body.bst-workspace-mode .bs-card.bs-card--dark .bs-rxn-input--correct,body.bst-workspace-mode .bs-card.bs-card--dark .bs-fyc-input--correct,body.bst-workspace-mode .bs-card.bs-card--dark .bs-ma-input--correct,body.bst-workspace-mode .bs-card.bs-card--dark .bs-mb-input--correct,body.bst-workspace-mode .bs-card.bs-card--dark .bs-na-input--correct,body.bst-workspace-mode .bs-card.bs-card--dark .bs-sa-input--correct,body.bst-workspace-mode .bs-card.bs-card--dark .bs-mo-input--correct,body.bst-workspace-mode .bs-card.bs-card--dark .bs-mz-input--correct{color:#166534!important;background:#dcfce7!important;border:1.5px solid #16a34a!important;font-weight:700!important}body.bst-workspace-mode .bs-card.bs-card--dark .bs-udl-sub-input--wrong,body.bst-workspace-mode .bs-card.bs-card--dark .bs-inc-sub-input--wrong,body.bst-workspace-mode .bs-card.bs-card--dark .bs-fx-input--wrong,body.bst-workspace-mode .bs-card.bs-card--dark .bs-rxn-input--wrong,body.bst-workspace-mode .bs-card.bs-card--dark .bs-fyc-input--wrong,body.bst-workspace-mode .bs-card.bs-card--dark .bs-ma-input--wrong,body.bst-workspace-mode .bs-card.bs-card--dark .bs-mb-input--wrong,body.bst-workspace-mode .bs-card.bs-card--dark .bs-na-input--wrong,body.bst-workspace-mode .bs-card.bs-card--dark .bs-sa-input--wrong,body.bst-workspace-mode .bs-card.bs-card--dark .bs-mo-input--wrong,body.bst-workspace-mode .bs-card.bs-card--dark .bs-mz-input--wrong{color:#991b1b!important;background:#fee2e2!important;border:1.5px solid #dc2626!important;font-weight:600!important}body.bst-workspace-mode .bs-card.bs-card--dark .bs-mo-shape-wrap{background:0 0!important;border:none!important;padding:0!important}body.bst-workspace-mode .bs-mo-area-shape-bg{fill:#0000!important;stroke:#0000!important}body.bst-workspace-mode [id^=bs-eq-block-sigma-],body.bst-workspace-mode #bs-sec-udl-conversion,body.bst-workspace-mode #bs-sec-inclined-decomposition{position:relative;margin-top:28px!important;padding-top:28px!important}body.bst-workspace-mode [id^=bs-eq-block-sigma-]:before,body.bst-workspace-mode #bs-sec-udl-conversion:before,body.bst-workspace-mode #bs-sec-inclined-decomposition:before{content:"";pointer-events:none;background:#ffffff59;height:1px;position:absolute;top:0;left:6%;right:6%}body.bst-workspace-mode .bs-card.bs-card--dark .bs-formula-pair,body.bst-workspace-mode .bst-calc-area .bs-card .bs-formula-pair,body.bst-workspace-mode .bs-card.bs-card--dark .bs-na-summary,body.bst-workspace-mode .bs-card.bs-card--dark .bs-na-active,body.bst-workspace-mode .bs-card.bs-card--dark .bs-sa-summary,body.bst-workspace-mode .bs-card.bs-card--dark .bs-sa-active,body.bst-workspace-mode .bs-card.bs-card--dark .bs-mo-summary,body.bst-workspace-mode .bs-card.bs-card--dark .bs-mo-active{position:relative;margin-top:28px!important;padding-top:28px!important}body.bst-workspace-mode .bs-card.bs-card--dark .bs-formula-pair:before,body.bst-workspace-mode .bst-calc-area .bs-card .bs-formula-pair:before,body.bst-workspace-mode .bs-card.bs-card--dark .bs-na-summary:before,body.bst-workspace-mode .bs-card.bs-card--dark .bs-na-active:before,body.bst-workspace-mode .bs-card.bs-card--dark .bs-sa-summary:before,body.bst-workspace-mode .bs-card.bs-card--dark .bs-sa-active:before,body.bst-workspace-mode .bs-card.bs-card--dark .bs-mo-summary:before,body.bst-workspace-mode .bs-card.bs-card--dark .bs-mo-active:before{content:"";pointer-events:none;background:#ffffff59;height:1px;position:absolute;top:0;left:6%;right:6%}body.bst-workspace-mode [id^=bs-eq-block-sigma-]:first-child:before,body.bst-workspace-mode .bs-card.bs-card--dark .bs-formula-pair:first-child:before,body.bst-workspace-mode .bst-calc-area .bs-card .bs-formula-pair:first-child:before{display:none}html body.bst-workspace-mode .bs-notebook .bst-calc-area .bs-card button,html body.bst-workspace-mode .bs-notebook .bs-card.bs-card--dark button{border:1px solid #ffffff8c!important;border-radius:6px!important;transition:border-color .14s,box-shadow .14s!important}html body.bst-workspace-mode .bs-notebook .bst-calc-area .bs-card button:hover,html body.bst-workspace-mode .bs-notebook .bs-card.bs-card--dark button:hover{border-color:#ffffffd9!important;box-shadow:0 0 0 2px #ffffff26!important}html body.bst-workspace-mode .bs-notebook .bst-calc-area .bs-card button:focus-visible,html body.bst-workspace-mode .bs-notebook .bs-card.bs-card--dark button:focus-visible{outline-offset:2px!important;outline:2px solid #ffffffb3!important}body.bst-workspace-mode .bs-card#bs-sec-N .bs-na-option,body.bst-workspace-mode .bs-card#bs-sec-S .bs-sa-option,body.bst-workspace-mode .bs-card#bs-sec-M .bs-mo-option{color:#fff!important;background:#ffffff0a!important;border:1px solid #ffffff1f!important}body.bst-workspace-mode .bs-card#bs-sec-N .bs-na-option--selected,body.bst-workspace-mode .bs-card#bs-sec-S .bs-sa-option--selected,body.bst-workspace-mode .bs-card#bs-sec-M .bs-mo-option--selected{background:#ffffff1a!important;border-color:#fff6!important}body.bst-workspace-mode .bs-card#bs-sec-N .bs-na-option--correct,body.bst-workspace-mode .bs-card#bs-sec-S .bs-sa-option--correct,body.bst-workspace-mode .bs-card#bs-sec-M .bs-mo-option--correct{background:#4ade801a!important;border-color:#4ade80!important}body.bst-workspace-mode .bs-card#bs-sec-N .bs-na-option--wrong,body.bst-workspace-mode .bs-card#bs-sec-S .bs-sa-option--wrong,body.bst-workspace-mode .bs-card#bs-sec-M .bs-mo-option--wrong{background:#f871711a!important;border-color:#f87171!important}body.bst-workspace-mode .bs-card#bs-sec-N>div:first-of-type,body.bst-workspace-mode .bs-card#bs-sec-S>div:first-of-type,body.bst-workspace-mode .bs-card#bs-sec-M>div:first-of-type{border-bottom-color:#ffffff1a!important}body.bst-workspace-mode .bst-calc-area .bs-card strong,body.bst-workspace-mode .bst-calc-area .bs-card sub,body.bst-workspace-mode .bst-calc-area .bs-card sup,body.bst-workspace-mode .bst-calc-area .bs-card .bs-ftoken-label,body.bst-workspace-mode .bst-calc-area .bs-card span[style*="color: rgb(17, 24, 39)"]{color:#f1f5f9!important}body.bst-workspace-mode .bst-calc-area .bs-card .bs-eq-solved,body.bst-workspace-mode .bst-calc-area .bs-card .bs-eq-solved *{color:#4ade80!important}body.bst-workspace-mode .bst-calc-area .bs-card :not(input):not(textarea):not(select){color:#fff!important}body.bst-workspace-mode .bst-calc-area .bs-card .bs-ftoken-tip,body.bst-workspace-mode .bst-calc-area .bs-card .bs-ftoken-tip *{color:#1f2937!important}body.bst-workspace-mode .bst-calc-area .bs-card [class*=bs-ma-]:not(input):not(textarea):not(.bs-ma-input):not([class*=bs-ma-input]),body.bst-workspace-mode .bst-calc-area .bs-card [class*=bs-mb-]:not(input):not(textarea):not(.bs-mb-input):not([class*=bs-mb-input]),body.bst-workspace-mode .bst-calc-area .bs-card [class*=bs-fx-]:not(input):not(textarea):not(.bs-fx-input):not([class*=bs-fx-input]),body.bst-workspace-mode .bst-calc-area .bs-card [class*=bs-fy-]:not(input):not(textarea):not(.bs-fy-input):not([class*=bs-fy-input]),body.bst-workspace-mode .bst-calc-area .bs-card [class*=bs-fyc-]:not(input):not(textarea):not(.bs-fyc-input):not([class*=bs-fyc-input]){box-shadow:none!important;background:0 0!important;border:none!important}body.bst-workspace-mode .bst-calc-area div[style*="padding: 6px 12px"][style*="rgb(249, 250, 251)"]{display:none!important}body.bst-workspace-mode .bst-calc-area .bs-card svg{background:0 0!important}body.bst-workspace-mode .bst-calc-area .bs-card svg *{stroke:#fff!important}body.bst-workspace-mode .bst-calc-area .bs-card svg [fill]:not([fill=none]):not([fill=transparent]){fill:#fff6!important}body.bst-workspace-mode .bst-calc-area .bs-card svg text{fill:#fff!important}body.bst-workspace-mode .bst-calc-area .bs-card div[style*="rgb(254, 252, 232)"],body.bst-workspace-mode .bst-calc-area .bs-card div[style*="rgb(255, 251, 235)"],body.bst-workspace-mode .bst-calc-area .bs-card div[style*="rgb(255, 247, 237)"]{background:#0b0d14!important;border-color:#ffffff26!important}body.bst-workspace-mode .bst-calc-area .bs-card div[style*="background: rgb(255, 255, 255)"],body.bst-workspace-mode .bst-calc-area .bs-card div[style*="background:#fff"],body.bst-workspace-mode .bst-calc-area .bs-card div[style*="background: #fff"],body.bst-workspace-mode .bst-calc-area .bs-card div[style*="background-color: rgb(255, 255, 255)"],:is(body.bst-workspace-mode .bst-calc-area .bs-card div:has(>svg):not(.bs-ftoken),body.bst-workspace-mode .bst-calc-area .bs-card div:has(>div>svg):not(.bs-ftoken),body.bst-workspace-mode .bst-calc-area .bs-card div:has(>div>div>svg):not(.bs-ftoken)){box-shadow:none!important;background:0 0!important;border:none!important}html body.bst-workspace-mode .bst-calc-area .bs-show-on-beam-btn{color:#f1f5f9!important;background-color:#0a0c12c7!important;background-image:none!important;border:1px solid #ffffff14!important}html body.bst-workspace-mode .bst-calc-area .bs-show-on-beam-btn:hover{background-color:#141824db!important}html body.bst-workspace-mode .bst-calc-area .bs-expand-toggle,html body.bst-workspace-mode .bst-calc-area .bs-stage-advance-btn{color:#f1f5f9!important;background-color:#0a0c12c7!important;background-image:none!important;border:1px solid #ffffff14!important}html body.bst-workspace-mode .bst-calc-area .bs-stage-advance-btn:hover{background-color:#141824db!important}body.bst-workspace-mode .bst-calc-area .bs-stat{color:#f1f5f9!important;box-shadow:none!important;background-color:#0a0c1266!important;background-image:none!important;border:1px solid #ffffff14!important}body.bst-workspace-mode .bs-blind-bar{color:#f1f5f9!important;background-color:#0a0c12c7!important;background-image:none!important;border:1px solid #ffffff14!important}body.bst-workspace-mode .bs-blind-toggle-label{color:#fff!important}body.bst-workspace-mode .bst-calc-area .bs-stat__label{color:#f1f5f9b3!important}body.bst-workspace-mode .bst-calc-area .bs-academic-equilibrium{box-shadow:none!important;background-color:#0000!important;background-image:none!important;border:none!important;border-radius:0!important;padding:0!important}body.bst-workspace-mode .bst-calc-area .bs-academic-equilibrium div[style*="border-radius: 8px"]{box-shadow:none!important;background:0 0!important;border:none!important}body.bst-workspace-mode .bst-calc-area div[style*="padding: 16px"][style*="rgb(249, 250, 251)"]{box-shadow:none!important;background:0 0!important;border:none!important;padding:0!important}body.bst-home-mode{max-width:100vw;overflow-x:hidden;background-color:#fff!important;background-image:url(/bst-bg.png)!important;background-position:50%!important;background-repeat:no-repeat!important;background-size:cover!important;background-attachment:fixed!important}body.bst-home-mode #root{border-inline:none;width:100%;max-width:none;margin:0;overflow-x:hidden}body.bst-home-mode .bs-notebook{background-color:#0000!important;background-image:none!important;width:100%!important;max-width:none!important;margin:0!important;padding:0 22px!important}body.bst-auth-mode{max-width:100vw;overflow-x:hidden;background-color:#fff!important;background-image:url(/auth-bg.png)!important;background-position:50%!important;background-repeat:no-repeat!important;background-size:cover!important;background-attachment:fixed!important}body.bst-auth-mode #root{border-inline:none;width:100%;max-width:none;margin:0;overflow-x:hidden;background:0 0!important}body.bst-auth-mode .bs-notebook{background-color:#0000!important;background-image:none!important;width:100%!important;max-width:none!important;margin:0!important;padding:0!important}body.bst-input-mode{max-width:100vw;overflow-x:hidden;background-color:#fff!important;background-image:url(/bst-bg.png)!important;background-position:50%!important;background-repeat:no-repeat!important;background-size:cover!important;background-attachment:fixed!important}body.bst-input-mode #root{border-inline:none;width:100%;max-width:none;margin:0;overflow-x:hidden}body.bst-input-mode .bs-notebook{background-color:#0000!important;background-image:none!important;width:100%!important;max-width:none!important;margin:0!important;padding:0 22px!important}body.bst-input-mode .bst-input-grid{grid-template-columns:minmax(0,40fr) minmax(0,60fr);align-items:start;gap:0 22px;width:100%;margin:0 0 18px;display:grid!important}@media (width<=1100px){body.bst-input-mode .bst-input-grid{grid-template-columns:1fr;row-gap:14px}}body.bst-input-mode .bst-input-grid>.bs-card-preview{grid-area:1/2/span 99;align-self:start;position:sticky;top:12px;box-shadow:none!important;background:0 0!important;border:none!important;border-radius:0!important;margin:0!important;padding:8px!important}@media (width<=1100px){body.bst-input-mode .bst-input-grid>.bs-card-preview{grid-area:auto/1;position:static}}body.bst-input-mode .bst-input-grid>.bst-input-card{color:#f1f5f9;grid-column:1;align-self:start;min-width:0;overflow:hidden;background:#0a0c12!important;border:1px solid #ffffff1a!important;border-radius:14px!important}@media (width<=1100px){body.bst-input-mode .bst-input-grid>.bst-input-card{grid-column:1}}body.bst-input-mode .bs-card-preview{background:#fff!important;border:1px solid #e5e7eb!important;border-right:3px solid #6b7280!important;border-radius:10px!important;margin-bottom:14px!important;box-shadow:0 1px 2px #0000000a!important}body.bst-input-mode .bs-card-preview .bs-card-title{color:#1f2430!important}body.bst-input-mode .bs-card-preview .bs-graph-frame{background:#fff!important}body.bst-input-mode .bst-input-card>.bs-form-top-row{box-shadow:none!important;color:#f1f5f9!important;background:0 0!important;border:none!important;border-radius:0!important;min-width:0!important;margin:0!important;padding:14px!important}body.bst-input-mode .bs-form-top-row>.bs-input-fs{position:relative;box-shadow:none!important;color:#f1f5f9!important;background:0 0!important;border:none!important;border-radius:0!important;min-width:0!important;margin:0!important;padding:6px 14px!important}body.bst-input-mode .bs-form-top-row>.bs-input-fs+.bs-input-fs{border-inline-start:1px solid #ffffff40!important}body.bst-input-mode .bst-input-card>fieldset.bs-input-fs{position:relative;box-shadow:none!important;color:#f1f5f9!important;background:0 0!important;border:none!important;border-radius:0!important;min-width:0!important;margin:0!important;padding:14px!important}body.bst-input-mode .bst-input-card>.bs-form-top-row{position:relative}body.bst-input-mode .bst-input-card>.bs-form-top-row:after,body.bst-input-mode .bst-input-card>fieldset.bs-input-fs:after{content:"";pointer-events:none;background:#ffffff59;height:1px;display:block;position:absolute;bottom:0;left:40px;right:40px}body.bst-input-mode .bst-input-card>fieldset.bs-input-fs:last-child:after{content:none}body.bst-input-mode .bs-input-fs>legend{color:#f1f5f9!important;background:0 0!important;padding:0 8px!important;font-weight:700!important}body.bst-input-mode .bs-input-fs label,body.bst-input-mode .bs-input-fs span{color:#e2e8f0!important}body.bst-input-mode .bst-input-card .bs-row{color:#e2e8f0!important;background:#ffffff0a!important;border:1px solid #ffffff1a!important;border-radius:8px!important}body.bst-input-mode .bst-input-card .bs-row>span,body.bst-input-mode .bst-input-card .bs-row>label{color:#e2e8f0!important}body.bst-input-mode .bst-input-card .bs-row>span:first-child{color:#f1f5f9!important;background:#ffffff1a!important;border:1px solid #fff3!important}body.bst-input-mode .bst-input-card .bs-nbselect-btn{color:#f1f5f9!important;background:#ffffff0f!important;border:1px solid #fff3!important}body.bst-input-mode .bst-input-card .bs-nbselect-btn:hover{background:#ffffff1a!important}body.bst-input-mode .bst-input-card .bs-remove-btn{color:#fca5a5!important;background:0 0!important;border:1px solid #dc26268c!important}body.bst-input-mode .bst-input-card .bs-remove-btn:hover{color:#fecaca!important;background:#dc26261f!important;border-color:#dc2626cc!important}body.bst-input-mode .bst-input-card .bs-row span[style*=color]{color:#cbd5e1!important}body.bst-input-mode .bs-input-fs input[type=number],body.bst-input-mode .bs-input-fs input[type=text],body.bst-input-mode .bs-input-fs select{color:#111!important;background:#fff!important;border:1px solid #0000002e!important;border-radius:6px!important}body.bst-input-mode .bs-input-fs input::placeholder{color:#0006!important}body.bst-input-mode .bs-input-fs .bs-add-btn{color:#f1f5f9!important;background:#ffffff0f!important;border:1px solid #fff3!important}body.bst-input-mode .bs-input-fs .bs-add-btn:hover{background:#ffffff1f!important;border-color:#ffffff52!important}body.bst-input-mode .bs-input-fs .bs-remove-btn{color:#fecaca!important;background:#dc262624!important;border-color:#dc26266b!important}body.bst-input-mode .bs-form-top-row{width:100%!important;min-width:0!important}body.bst-input-mode .bs-form-top-row>.bs-input-fs{min-width:0!important}body.bst-input-mode .bs-notebook>*{min-width:0!important;max-width:100%!important}body.bst-input-mode .bs-userbar button{color:#f1f5f9!important;background:#0a0c12!important;border-color:#ffffff14!important}body.bst-input-mode .bs-userbar button:hover{background:#141824db!important;border-color:#ffffff24!important}body.bst-input-mode .bs-blind-bar{margin:0 auto 16px;display:inline-flex;color:#f1f5f9!important;background:#0a0c12!important;border:1px solid #ffffff1a!important;border-radius:999px!important;box-shadow:0 4px 18px #0003!important}body.bst-input-mode .bs-blind-bar .bs-blind-toggle-label,body.bst-input-mode .bs-blind-bar label{color:#f1f5f9!important}body.bst-input-mode #bs-solve-btn{color:#fff!important;background:#0a0c12!important;border:1px solid #ffffff14!important;box-shadow:0 4px 18px #00000038!important}body.bst-input-mode #bs-solve-btn:hover{background:#14181e!important}body.bst-input-mode #bs-solve-btn:disabled{color:#d1d5db!important;background:#4b5563!important;border-color:#ffffff0d!important}body.bst-input-mode .bs-trusslab{background:0 0!important}body.bst-input-mode .bs-trusslab__inner{width:100%!important;max-width:none!important;margin:0!important;padding:0 28px!important}body.bst-input-mode .bs-trusslab__back{color:#0a0c12!important;background:#fff!important;border:1px solid #08060d24!important}body.bst-input-mode .bs-trusslab__back:hover{background:#f1f5f9!important}body.bst-input-mode .bs-trusslab__blind-center{margin-top:18px!important;margin-bottom:20px!important}body.bst-input-mode .bs-tracer__drop{color:#4b5563!important;background:#fff!important;border:2px dashed #08060d33!important}body.bst-input-mode .bs-tracer__drop:hover{background:#f8fafc!important;border-color:#08060d59!important}body.bst-input-mode .bs-tracer__drop-title{color:#0a0c12!important}body.bst-input-mode .bs-tracer__drop-sub{color:#6b7280!important}body.bst-input-mode .bs-tracer__toolbar{background:#fff!important;border-color:#08060d1a!important}body.bst-input-mode .bs-tracer__tool{color:#0a0c12!important;background:#f1f5f9!important;border-color:#08060d1a!important}body.bst-input-mode .bs-tracer__tool:hover{background:#e2e8f0!important}body.bst-input-mode .bs-tracer__tool.on{color:#fff!important;background:#0a0c12!important;border-color:#0a0c12!important}body.bst-input-mode .bs-tracer__icon,body.bst-input-mode .bs-tracer__ghost{color:#0a0c12!important;background:#fff!important;border-color:#08060d1a!important}body.bst-input-mode .bs-tracer__hint{color:#6b7280!important;border-inline-start-color:#60a5fa80!important}body.bst-input-mode .bs-tracer__stage{background:#fff!important;border-color:#08060d1a!important}body.bst-input-mode .bs-tracer__btn-primary,body.bst-input-mode .bs-tracer__solve{color:#fff!important;background:#0a0c12!important;border-color:#0a0c12!important;box-shadow:0 4px 18px #00000038!important}body.bst-input-mode .bs-tracer__btn-primary:hover,body.bst-input-mode .bs-tracer__solve:hover{background:#14181e!important;border-color:#14181e!important}body.bst-input-mode .bs-tracer__solve:disabled{color:#d1d5db!important;box-shadow:none!important;background:#4b5563!important;border-color:#4b5563!important}body.bst-input-mode .bs-tracer__btn-ghost{color:#0a0c12!important;background:#fff!important;border:1px solid #08060d2e!important}body.bst-input-mode .bs-tracer__btn-ghost:hover{background:#f1f5f9!important}body.bst-input-mode .bs-tracer__status,body.bst-input-mode .bs-tracer__reason{color:#6b7280!important}body.bst-input-mode .bs-tracer__status b{color:#0a0c12!important}body.bst-input-mode .bs-tracer__pop{background:#fff!important;border-color:#08060d1a!important}body.bst-input-mode .bs-tracer__pop-title{color:#0a0c12!important}body.bst-input-mode .bs-tracer__pop button{color:#0a0c12!important;background:#f1f5f9!important;border-color:#08060d1a!important}body.bst-input-mode .bs-tracer__pop button:hover{background:#e2e8f0!important}body.bst-input-mode .bs-tracer__pop-actions .primary,body.bst-input-mode .bs-tracer__dir.on,body.bst-input-mode .bs-tracer__segbtn.on{color:#fff!important;background:#0a0c12!important;border-color:#0a0c12!important}body.bst-input-mode .bs-tracer__num,body.bst-input-mode .bs-tracer__dimrow .bs-tracer__num{box-sizing:border-box!important;min-width:0!important}body.bst-input-mode .bs-tracer__pop-sub,body.bst-input-mode .bs-tracer__unit{color:#6b7280!important}body.bst-input-mode .bs-tracer__num{color:#0a0c12!important;background:#fff!important;border-color:#08060d2e!important}body.bst-input-mode .bs-tracer__modal{background:#fff!important;border-color:#08060d1a!important}body.bst-input-mode .bs-tracer__modal h3{color:#0a0c12!important}body.bst-input-mode .bs-tracer__sumlist{color:#4b5563!important}.bs-trusslab--solved .bs-tcard{color:#f1f5f9!important;box-shadow:none!important;background-color:#0000!important;background-image:none!important;border:none!important;border-radius:0!important;padding:0!important}.bs-trusslab--solved .bs-tcard__quad-cell--diagram svg,.bs-trusslab--solved .bs-tcard__mini svg,.bs-trusslab--solved .bs-trusslab__panel svg{box-shadow:none!important;border:none!important;border-radius:0!important}.bs-trusslab--solved .bs-tcard h3,.bs-trusslab--solved .bs-tcard h4{color:#fff!important}.bs-trusslab--solved .bs-tcard__head h3{color:#4a4f59!important}.bs-trusslab--solved .bs-tcard__head,body.bst-truss-solved-mode .bs-tcard__head{text-align:center!important;box-sizing:border-box!important;background:0 0!important;border:none!important;border-radius:0!important;width:auto!important;margin:0 0 22px!important;padding:0!important;display:block!important}.bs-trusslab--solved .bs-tcard__headmain,body.bst-truss-solved-mode .bs-tcard__headmain{align-items:center!important}.bs-trusslab--solved .bs-tcard__head h3,body.bst-truss-solved-mode .bs-tcard__head h3{color:#4a4f59!important;font-family:var(--bs-font-heading)!important;letter-spacing:.3px!important;text-align:center!important;margin:0!important;font-size:28px!important;font-weight:400!important}.bs-trusslab--solved .bs-tcard__step,.bs-trusslab--solved .bs-tcard__step-of,body.bst-truss-solved-mode .bs-tcard__step,body.bst-truss-solved-mode .bs-tcard__step-of{display:none!important}.bs-trusslab--solved .bs-trusslab__panel{box-shadow:none!important;background:0 0!important;border:none!important;padding:0!important}.bs-trusslab--solved .bs-tcard__mini{background:0 0!important;border:none!important;padding:8px 0!important}.bs-trusslab--solved .bs-tcard__quad{grid-template-columns:minmax(0,1fr) minmax(0,2.2fr)!important;gap:0 24px!important}.bs-trusslab--solved .bs-tcard__quad-cell{color:#e5e7eb!important;background:0 0!important;border:none!important;padding:0!important}.bs-trusslab--solved .bs-tcard__quad-cell.bs-tcard__quad-cell--diagram,.bs-trusslab--solved .bs-tcard__quad-cell.bs-tcard__quad-cell--full,.bs-trusslab--solved .bs-tcard__quad-cell--diagram.bs-tcard__quad-cell--full{align-self:start;position:sticky;top:16px;background:0 0!important;border:none!important;grid-area:1/2/span 99/3!important;padding:8px!important}.bs-trusslab--solved .bs-tcard__body{grid-template-columns:1fr 400px!important}.bs-trusslab--solved .bs-tcard--blind .bs-tcard__body{grid-template-columns:1fr!important}@media (width<=980px){.bs-trusslab--solved .bs-tcard__quad{grid-template-columns:1fr!important}.bs-trusslab--solved .bs-tcard__quad-cell--diagram,.bs-trusslab--solved .bs-tcard__quad-cell--full{position:static;grid-area:auto/1/auto/-1!important}}.bs-trusslab--solved .bs-trusslab__continuity-title{color:#0a0c12!important}.bs-trusslab--solved .bs-trusslab__continuity-sub{color:#4b5563!important}.bs-trusslab--solved .bs-stage-chip{color:#0a0c12!important;background:#fff!important;border-color:#0a0c1224!important}.bs-trusslab--solved .bs-stage-chip-name{color:#4b5563!important}.bs-trusslab--solved .bs-hand{color:#0a0c12!important}.bs-trusslab--solved .bs-tcard__exp,.bs-trusslab--solved .bs-tcard__teach,.bs-trusslab--solved .bs-tcard__assume{color:#d1d5db!important}.bs-trusslab--solved .bs-tcard__sum,body.bst-truss-solved-mode .bs-tcard__sum{color:#fff!important;box-sizing:border-box!important;background:#0a0c12!important;border:none!important;border-radius:18px!important;flex-wrap:wrap!important;justify-content:center!important;align-items:center!important;gap:10px!important;width:31%!important;margin:10px 0 18px!important;padding:18px 24px!important;display:flex!important}.bs-trusslab--solved .bs-tcard__chip{color:#e5e7eb!important;background:#ffffff0f!important;border-color:#ffffff1f!important}.bs-trusslab--solved .bs-eq__title,body.bst-truss-solved-mode .bs-eq__title{font-size:28px!important}.bs-trusslab--solved .bs-eq__axiscap,body.bst-truss-solved-mode .bs-eq__axiscap{font-size:14px!important}.bs-trusslab--solved .bs-eq__num,body.bst-truss-solved-mode .bs-eq__num{width:30px!important;height:30px!important;font-size:14px!important}.bs-trusslab--solved .bs-eq__phase,body.bst-truss-solved-mode .bs-eq__phase{letter-spacing:.06em;font-size:13px!important}.bs-trusslab--solved .bs-eq__math,body.bst-truss-solved-mode .bs-eq__math{font-size:20px!important;line-height:2!important}.bs-trusslab--solved .bs-eq__note,body.bst-truss-solved-mode .bs-eq__note{font-size:14px!important}.bs-trusslab--solved .bs-eq__badge,body.bst-truss-solved-mode .bs-eq__badge{padding:10px 22px!important;font-size:21px!important}.bs-trusslab--solved .bs-eq__state,body.bst-truss-solved-mode .bs-eq__state{font-size:16px!important}.bs-trusslab--solved .bs-eq__check,body.bst-truss-solved-mode .bs-eq__check{font-size:17px!important}.bs-trusslab--solved .bs-eq__flow,body.bst-truss-solved-mode .bs-eq__flow{padding-inline-start:28px!important}.bs-trusslab--solved .bs-eq__node,body.bst-truss-solved-mode .bs-eq__node{padding-bottom:22px!important}.bs-trusslab--solved .bs-eq__node:before,body.bst-truss-solved-mode .bs-eq__node:before{width:11px!important;height:11px!important;inset-inline-start:-34px!important}.bs-trusslab--solved .bs-vx-inline__btn,body.bst-truss-solved-mode .bs-vx-inline__btn{width:18px!important;height:18px!important;font-size:11px!important}.bs-trusslab--solved .bs-mts-card,body.bst-truss-solved-mode .bs-mts-card{gap:22px;color:#e5e7eb!important;background:0 0!important;border:none!important;border-radius:0!important;margin-top:0!important;padding:0!important}.bs-trusslab--solved .bs-mts-card__title,.bs-trusslab--solved .bs-mts-card__eq,.bs-trusslab--solved .bs-mts-card__big,body.bst-truss-solved-mode .bs-mts-card__title,body.bst-truss-solved-mode .bs-mts-card__eq,body.bst-truss-solved-mode .bs-mts-card__big{color:#fff!important}.bs-trusslab--solved .bs-mts-card__subtitle,body.bst-truss-solved-mode .bs-mts-card__subtitle{color:#9ca3af!important}.bs-trusslab--solved .bs-mts-card__note,body.bst-truss-solved-mode .bs-mts-card__note{border:none!important;color:#fde68a!important;background:0 0!important;border-inline-start:2px solid #fbbf248c!important;border-radius:0!important;padding:4px 12px!important}.bs-trusslab--solved .bs-mts-card__builder,body.bst-truss-solved-mode .bs-mts-card__builder{background:0 0!important;border:none!important;border-radius:0!important;padding:0!important}.bs-trusslab--solved .bs-mts-card__builder-label,body.bst-truss-solved-mode .bs-mts-card__builder-label{color:#9ca3af!important}.bs-trusslab--solved .bs-mts-card__builder-eq,body.bst-truss-solved-mode .bs-mts-card__builder-eq{color:#e5e7eb!important}.bs-trusslab--solved .bs-mts-term__sign,body.bst-truss-solved-mode .bs-mts-term__sign{color:#9ca3af!important}.bs-trusslab--solved .bs-mts-term--pending .bs-mts-term__body,body.bst-truss-solved-mode .bs-mts-term--pending .bs-mts-term__body{color:#6b7280!important}.bs-trusslab--solved .bs-mts-term--current .bs-mts-term__body,body.bst-truss-solved-mode .bs-mts-term--current .bs-mts-term__body{color:#fff!important;background:#ffffff14!important}.bs-trusslab--solved .bs-mts-term--solved .bs-mts-term__body,body.bst-truss-solved-mode .bs-mts-term--solved .bs-mts-term__body,.bs-trusslab--solved .bs-mts-term__eq,body.bst-truss-solved-mode .bs-mts-term__eq{color:#fff!important}.bs-trusslab--solved .bs-mts-step,body.bst-truss-solved-mode .bs-mts-step{background:0 0!important;border:none!important;border-radius:0!important;padding:0!important}.bs-trusslab--solved .bs-mts-step__counter,body.bst-truss-solved-mode .bs-mts-step__counter{color:#9ca3af!important}.bs-trusslab--solved .bs-mts-step__header,body.bst-truss-solved-mode .bs-mts-step__header{color:#fff!important}.bs-trusslab--solved .bs-mts-step__prompt,body.bst-truss-solved-mode .bs-mts-step__prompt{color:#d1d5db!important}.bs-trusslab--solved .bs-mts-step__field,body.bst-truss-solved-mode .bs-mts-step__field{color:#e5e7eb!important}.bs-trusslab--solved .bs-mts-step__field-label,body.bst-truss-solved-mode .bs-mts-step__field-label{color:#fff!important}.bs-trusslab--solved .bs-mts-step__unit,body.bst-truss-solved-mode .bs-mts-step__unit{color:#9ca3af!important}.bs-trusslab--solved .bs-mts-step__given,body.bst-truss-solved-mode .bs-mts-step__given{color:#d1d5db!important;background:0 0!important;padding:0!important}.bs-trusslab--solved .bs-mts-step__input,body.bst-truss-solved-mode .bs-mts-step__input{color:#111!important;caret-color:#111!important;background:#fff!important;border:1px solid #00000026!important;transition:background .16s,border-color .16s,color .16s!important}.bs-trusslab--solved .bs-mts-step__input::placeholder,body.bst-truss-solved-mode .bs-mts-step__input::placeholder{color:#0006!important}.bs-trusslab--solved .bs-mts-step__input:focus,body.bst-truss-solved-mode .bs-mts-step__input:focus{background:#fff!important;border-color:#00000073!important;box-shadow:0 0 0 3px #0000000f!important}.bs-trusslab--solved .bs-mts-step__input--correct,body.bst-truss-solved-mode .bs-mts-step__input--correct{color:#166534!important;background:#dcfce7!important;border:1.5px solid #16a34a!important;font-weight:700!important}.bs-trusslab--solved .bs-mts-step__input--wrong,body.bst-truss-solved-mode .bs-mts-step__input--wrong{color:#991b1b!important;background:#fee2e2!important;border:1.5px solid #dc2626!important;font-weight:600!important}.bs-trusslab--solved .bs-mts-result,body.bst-truss-solved-mode .bs-mts-result{background:#dcfce7!important;border:1.5px solid #16a34a!important;transition:background .32s,border-color .32s!important}.bs-trusslab--solved .bs-mts-result__title,.bs-trusslab--solved .bs-mts-result__line,.bs-trusslab--solved .bs-mts-result__check,body.bst-truss-solved-mode .bs-mts-result__title,body.bst-truss-solved-mode .bs-mts-result__line,body.bst-truss-solved-mode .bs-mts-result__check{color:#166534!important}.bs-trusslab--solved .bs-mts-card__reset,body.bst-truss-solved-mode .bs-mts-card__reset{color:#9ca3af!important;background:0 0!important;border:1px dashed #fff3!important}.bs-trusslab--solved .bs-mts-card__reset:hover,body.bst-truss-solved-mode .bs-mts-card__reset:hover{color:#e5e7eb!important;background:#ffffff0f!important;border-color:#fff6!important}.bs-trusslab--solved .bs-mts-card__hint,body.bst-truss-solved-mode .bs-mts-card__hint{color:#9ca3af!important}.bs-trusslab--solved .bs-tcard__quad-cell--solve .bs-tcard__step-header,body.bst-truss-solved-mode .bs-tcard__quad-cell--solve .bs-tcard__step-header{box-sizing:border-box!important;background:0 0!important;border:none!important;border-bottom:1px solid #ffffff1f!important;border-radius:0!important;justify-content:flex-start!important;align-self:stretch!important;gap:10px!important;width:100%!important;margin-bottom:18px!important;padding:8px 4px 14px!important}.bs-trusslab--solved .bs-tcard__quad-cell--solve .bs-tcard__step-num,body.bst-truss-solved-mode .bs-tcard__quad-cell--solve .bs-tcard__step-num{color:#fff!important;font-size:14px!important;font-weight:700!important}.bs-trusslab--solved .bs-tcard__quad-cell--solve .bs-tcard__step-state--active,body.bst-truss-solved-mode .bs-tcard__quad-cell--solve .bs-tcard__step-state--active,.bs-trusslab--solved .bs-tcard__quad-cell--solve .bs-tcard__step-state--done,body.bst-truss-solved-mode .bs-tcard__quad-cell--solve .bs-tcard__step-state--done{color:#fff!important}.bs-trusslab--solved .bs-tcard__quad-cell--solve .bs-tcard__step-state--locked,body.bst-truss-solved-mode .bs-tcard__quad-cell--solve .bs-tcard__step-state--locked{color:#9ca3af!important}.bs-trusslab--solved .bs-tcard__quad-cell--solve .bs-tcard__locked-body,body.bst-truss-solved-mode .bs-tcard__quad-cell--solve .bs-tcard__locked-body{background:0 0!important;border:none!important;min-height:0!important;padding:24px 0!important}.bs-trusslab--solved .bs-tcard__quad-cell--solve .bs-tcard__locked-title,body.bst-truss-solved-mode .bs-tcard__quad-cell--solve .bs-tcard__locked-title{color:#4b5563!important}.bs-trusslab--solved .bs-tcard__quad-cell--solve .bs-tcard__locked-msg,body.bst-truss-solved-mode .bs-tcard__quad-cell--solve .bs-tcard__locked-msg{color:#6b7280!important}.bs-trusslab--solved .bs-eq,body.bst-truss-solved-mode .bs-eq{background:0 0!important;border:none!important;border-radius:0!important;margin:0 0 20px!important;padding:0!important}.bs-trusslab--solved .bs-eq+.bs-eq,body.bst-truss-solved-mode .bs-eq+.bs-eq{border-top:1px solid #ffffff1f!important;margin-top:32px!important;padding-top:32px!important}.bs-trusslab--solved .bs-eq--active,body.bst-truss-solved-mode .bs-eq--active{background:#c4b5fd0f!important;border-radius:12px!important;padding:12px!important;box-shadow:inset 0 0 0 1px #c4b5fd40!important}.bs-trusslab--solved .bs-eq__title,body.bst-truss-solved-mode .bs-eq__title{color:#fff!important}.bs-trusslab--solved .bs-eq__num,body.bst-truss-solved-mode .bs-eq__num{color:#fff!important;background:0 0!important;border-color:#fff6!important}.bs-trusslab--solved .bs-eq__axiscap,body.bst-truss-solved-mode .bs-eq__axiscap,.bs-trusslab--solved .bs-eq__note,body.bst-truss-solved-mode .bs-eq__note{color:#9ca3af!important}.bs-trusslab--solved .bs-eq__flow,body.bst-truss-solved-mode .bs-eq__flow{text-align:center!important;border-inline-start:none!important;padding-inline-start:0!important}.bs-trusslab--solved .bs-eq__node,body.bst-truss-solved-mode .bs-eq__node{position:relative}.bs-trusslab--solved .bs-eq__node:before,.bs-trusslab--solved .bs-eq__node--res:before,body.bst-truss-solved-mode .bs-eq__node:before,body.bst-truss-solved-mode .bs-eq__node--res:before{content:none!important;display:none!important}.bs-trusslab--solved .bs-eq__phasehead,body.bst-truss-solved-mode .bs-eq__phasehead,.bs-trusslab--solved .bs-eq__resline,body.bst-truss-solved-mode .bs-eq__resline{justify-content:center!important}.bs-trusslab--solved .bs-eq__phase,body.bst-truss-solved-mode .bs-eq__phase{color:#94a3b8!important}.bs-trusslab--solved .bs-eq__math,body.bst-truss-solved-mode .bs-eq__math{color:#e5e7eb!important;text-align:center!important;white-space:nowrap!important}@media (width<=720px){.bs-trusslab--solved .bs-eq__math,body.bst-truss-solved-mode .bs-eq__math{white-space:normal!important}}.bs-trusslab--solved .bs-eq__var,body.bst-truss-solved-mode .bs-eq__var{color:#fff!important}.bs-trusslab--solved .bs-eq__src,body.bst-truss-solved-mode .bs-eq__src{border-bottom-color:#fff6!important}.bs-trusslab--solved .bs-eq__src:hover,.bs-trusslab--solved .bs-eq__src:focus-visible,body.bst-truss-solved-mode .bs-eq__src:hover,body.bst-truss-solved-mode .bs-eq__src:focus-visible{background:#ffffff1a!important}.bs-trusslab--solved .bs-eq__badge,body.bst-truss-solved-mode .bs-eq__badge{color:#166534!important;box-shadow:none!important;background:#dcfce7!important;border:1.5px solid #16a34a!important;font-weight:700!important;transition:background .32s,border-color .32s!important}.bs-trusslab--solved .bs-eq__state--tension,body.bst-truss-solved-mode .bs-eq__state--tension,.bs-trusslab--solved .bs-eq__state--compression,body.bst-truss-solved-mode .bs-eq__state--compression{color:#fff!important}.bs-trusslab--solved .bs-eq__state--zero,body.bst-truss-solved-mode .bs-eq__state--zero{color:#9ca3af!important}.bs-trusslab--solved .bs-eq__check,body.bst-truss-solved-mode .bs-eq__check,.bs-trusslab--solved .bs-eq__solves,body.bst-truss-solved-mode .bs-eq__solves{color:#fff!important}.bs-trusslab--solved .bs-vx-inline__btn,body.bst-truss-solved-mode .bs-vx-inline__btn{color:#9ca3af!important;border-color:#fff3!important}.bs-trusslab--solved .bs-vx-inline__btn:hover,body.bst-truss-solved-mode .bs-vx-inline__btn:hover{color:#e5e7eb!important;border-color:#fff6!important}.bs-trusslab--solved .bs-vx-inline__btn[aria-expanded=true],body.bst-truss-solved-mode .bs-vx-inline__btn[aria-expanded=true]{color:#93c5fd!important;border-color:#93c5fd8c!important}.bs-trusslab--solved .bs-vx-inline__box,body.bst-truss-solved-mode .bs-vx-inline__box{border-color:#ffffff1a!important;color:#d1d5db!important;background:#ffffff0a!important;border-inline-start-color:#60a5fa!important}body.bst-truss-solved-mode .bs-trusslab__handoff{background:0 0!important}body.bst-truss-solved-mode .bs-trusslab__continuity-title{color:#0a0c12!important}body.bst-truss-solved-mode .bs-trusslab__continuity-sub{color:#4b5563!important}body.bst-truss-solved-mode .bs-trusslab__back{color:#0a0c12!important;background:#fff!important;border:1px solid #0a0c1224!important}body.bst-truss-solved-mode .bs-trusslab__back:hover{background:#f3f4f6!important}body.bst-truss-solved-mode .bs-stage-chip{color:#0a0c12!important;background:#fff!important;border-color:#0a0c1224!important}body.bst-truss-solved-mode .bs-stage-chip-name{color:#4b5563!important}body.bst-truss-solved-mode .bs-unit-pill{color:#0a0c12!important;background:#fff!important;border-color:#0a0c1224!important}body.bst-truss-solved-mode .bs-hand{color:#0a0c12!important}body.bst-truss-solved-mode .bs-trusslab__panel{box-shadow:none!important;background:0 0!important;border:none!important;padding:0!important}body.bst-truss-solved-mode .bs-trusslab__legend{margin-top:14px;color:#6b7280!important}body.bst-truss-solved-mode .bs-tcard{color:#f1f5f9!important;box-shadow:none!important;background-color:#0000!important;background-image:none!important;border:none!important;border-radius:0!important;padding:0!important}body.bst-truss-solved-mode .bs-tcard__quad-cell--diagram svg,body.bst-truss-solved-mode .bs-tcard__mini svg,body.bst-truss-solved-mode .bs-trusslab__panel svg{box-shadow:none!important;border:none!important;border-radius:0!important}body.bst-truss-solved-mode .bs-tcard h3,body.bst-truss-solved-mode .bs-tcard h4{color:#fff!important}body.bst-truss-solved-mode .bs-tcard__head h3{color:#4a4f59!important}body.bst-truss-solved-mode .bs-tcard__step,body.bst-truss-solved-mode .bs-tcard__step-of{color:#9ca3af!important}body.bst-truss-solved-mode .bs-tcard__exp,body.bst-truss-solved-mode .bs-tcard__teach,body.bst-truss-solved-mode .bs-tcard__assume{color:#d1d5db!important;border-inline-start-color:#ffffff2e!important}body.bst-truss-solved-mode .bs-tcard__mini{background:0 0!important;border:none!important;padding:8px 0!important}body.bst-truss-solved-mode .bs-tcard__quad{grid-auto-rows:auto;grid-template-columns:minmax(0,1fr) minmax(0,2.2fr)!important;gap:0 24px!important}body.bst-truss-solved-mode .bs-tcard__quad-cell{color:#e5e7eb!important;background:0 0!important;border:none!important;padding:0!important}body.bst-truss-solved-mode .bs-tcard__quad-cell--empty{background:0 0!important;border:none!important}body.bst-truss-solved-mode .bs-tcard__quad-cell.bs-tcard__quad-cell--diagram,body.bst-truss-solved-mode .bs-tcard__quad-cell.bs-tcard__quad-cell--full,body.bst-truss-solved-mode .bs-tcard__quad-cell--diagram.bs-tcard__quad-cell--full{align-self:start;position:sticky;top:16px;background:0 0!important;border:none!important;grid-area:1/2/span 99/3!important;padding:8px!important}@media (width<=980px){body.bst-truss-solved-mode .bs-tcard__quad{grid-template-columns:1fr!important}body.bst-truss-solved-mode .bs-tcard__quad-cell--diagram,body.bst-truss-solved-mode .bs-tcard__quad-cell--full{position:static;grid-area:auto/1/auto/-1!important}}body.bst-truss-solved-mode .bs-tcard__body{grid-template-columns:1fr 400px!important}body.bst-truss-solved-mode .bs-tcard--blind .bs-tcard__body{grid-template-columns:1fr!important}body.bst-truss-solved-mode .bs-tcard__inv{border-color:#ffffff14!important;background:#ffffff0a!important;border-inline-start-color:#22c55e8c!important}body.bst-truss-solved-mode .bs-tcard__inv-title{color:#cbd5e1!important}body.bst-truss-solved-mode .bs-tcard__inv-item{color:#e5e7eb!important}body.bst-truss-solved-mode .bs-tcard__inv-item b{color:#4ade80!important}body.bst-truss-solved-mode .bs-tcard__inv-note{color:#94a3b8!important}body.bst-truss-solved-mode .bs-tcard__sum{background:#ffffff0d!important;border-color:#ffffff1a!important}body.bst-truss-solved-mode .bs-tcard__sum-label{color:#cbd5e1!important}body.bst-truss-solved-mode .bs-tcard__chip{color:#e5e7eb!important;background:#ffffff0f!important;border-color:#ffffff1f!important}body.bst-truss-solved-mode .bs-tcard__chip--load{color:#fca5a5!important;background:#dc26262e!important;border-color:#dc262666!important}body.bst-truss-solved-mode .bs-tcard__chip--reac{color:#86efac!important;background:#22c55e2e!important;border-color:#22c55e66!important}body.bst-truss-solved-mode .bs-tcard__chip--unk{color:#c7d2fe!important;background:#6366f12e!important;border-color:#6366f166!important}body.bst-truss-solved-mode .bs-tcard__chip-src{color:#94a3b8!important}body.bst-truss-solved-mode .bs-tcard__step-header{background:#ffffff0f!important;border-color:#ffffff1f!important}body.bst-truss-solved-mode .bs-tcard__step-num{color:#c7d2fe!important}body.bst-truss-solved-mode .bs-tcard__quad-cell--locked .bs-tcard__step-header{background:#ffffff0a!important}body.bst-truss-solved-mode .bs-tcard__locked-body{color:#94a3b8!important;background:#ffffff08!important;border-color:#ffffff1f!important}body.bst-truss-solved-mode .bs-tcard__locked-title{color:#6b7280!important}body.bst-truss-solved-mode .bs-tcard__locked-msg{color:#9ca3af!important}.bs-trusslab--solved .bs-vx,body.bst-truss-solved-mode .bs-vx{color:#fff!important;box-sizing:border-box!important;background:#0a0c12!important;border-radius:14px!important;width:31%!important;margin:0 0 18px!important;padding:16px 22px!important}.bs-trusslab--solved .bs-vx__btn,body.bst-truss-solved-mode .bs-vx__btn{color:#cbd5e1!important;border-color:#fff3!important}.bs-trusslab--solved .bs-vx__btn:hover,body.bst-truss-solved-mode .bs-vx__btn:hover{color:#fff!important;border-color:#ffffff59!important}.bs-trusslab--solved .bs-vx__btn[aria-expanded=true],body.bst-truss-solved-mode .bs-vx__btn[aria-expanded=true]{color:#fff!important;border-color:#fff6!important}.bs-trusslab--solved .bs-vx__box,body.bst-truss-solved-mode .bs-vx__box{border:none!important;background:0 0!important;border-inline-start:none!important;margin:8px 0 0!important;padding:8px 0 0!important}.bs-trusslab--solved .bs-vx__p,body.bst-truss-solved-mode .bs-vx__p{color:#fff!important}.bs-trusslab--solved .bs-vx__player,body.bst-truss-solved-mode .bs-vx__player{box-shadow:none!important;color:#fff!important;background:0 0!important;border:none!important}.bs-trusslab--solved .bs-trusslab__membertable,body.bst-truss-solved-mode .bs-trusslab__membertable{color:#fff!important;background:#0a0c12!important;border:none!important;border-radius:18px!important;padding:18px 22px!important}.bs-trusslab--solved .bs-trusslab__membertable summary,.bs-trusslab--solved .bs-trusslab__membertable table,.bs-trusslab--solved .bs-trusslab__membertable th,.bs-trusslab--solved .bs-trusslab__membertable td,.bs-trusslab--solved .bs-trusslab__membertable .bs-trusslab__mono,.bs-trusslab--solved .bs-trusslab__membertable .bs-trusslab__legend,.bs-trusslab--solved .bs-trusslab__membertable .bs-trusslab__legend b,.bs-trusslab--solved .bs-trusslab__membertable .bs-trusslab__panel,body.bst-truss-solved-mode .bs-trusslab__membertable summary,body.bst-truss-solved-mode .bs-trusslab__membertable table,body.bst-truss-solved-mode .bs-trusslab__membertable th,body.bst-truss-solved-mode .bs-trusslab__membertable td,body.bst-truss-solved-mode .bs-trusslab__membertable .bs-trusslab__mono,body.bst-truss-solved-mode .bs-trusslab__membertable .bs-trusslab__legend,body.bst-truss-solved-mode .bs-trusslab__membertable .bs-trusslab__legend b,body.bst-truss-solved-mode .bs-trusslab__membertable .bs-trusslab__panel{color:#fff!important;background:0 0!important;border-color:#ffffff1a!important}.bs-trusslab--solved .bs-trusslab__membertable tbody td,body.bst-truss-solved-mode .bs-trusslab__membertable tbody td{color:#fff!important}body.bst-truss-solved-mode .bs-worklab__context,body.bst-truss-solved-mode .bs-worklab__decomp,body.bst-truss-solved-mode .bs-worklab__context-frame{color:#e5e7eb!important;background:0 0!important;border-color:#ffffff1a!important}body.bst-truss-solved-mode .bs-worklab__context-label,body.bst-truss-solved-mode .bs-decomp__title{color:#cbd5e1!important}body.bst-truss-solved-mode .bs-trusslab__steplink span{border-inline-start-color:#ffffff26!important}body.bst-truss-solved-mode .bs-trusslab__nextstage{color:#0a0c12!important;background:#fff!important;border:1px solid #0a0c1224!important}body.bst-truss-solved-mode .bs-trusslab__nextstage:hover{background:#f3f4f6!important}body.bst-truss-solved-mode .bs-trusslab__pdf-btn{color:#fff!important;background:#0a0c12!important;border:1px solid #ffffff1a!important}body.bst-truss-solved-mode .bs-trusslab__pdf-btn:hover{background:#14181e!important}.bs-trusslab--solved .bs-tcard__quad>.bs-tcard__quad-cell:not(.bs-tcard__quad-cell--diagram):not(.bs-tcard__quad-cell--full),body.bst-truss-solved-mode .bs-tcard__quad>.bs-tcard__quad-cell:not(.bs-tcard__quad-cell--diagram):not(.bs-tcard__quad-cell--full){text-align:center!important;background:#0a0c12!important;border-radius:0!important;align-items:center!important;padding:22px 32px!important}.bs-trusslab--solved .bs-tcard__quad>.bs-tcard__quad-cell:nth-child(2):not(.bs-tcard__quad-cell--diagram):not(.bs-tcard__quad-cell--full),body.bst-truss-solved-mode .bs-tcard__quad>.bs-tcard__quad-cell:nth-child(2):not(.bs-tcard__quad-cell--diagram):not(.bs-tcard__quad-cell--full){border-radius:18px 18px 0 0!important;padding-top:28px!important}.bs-trusslab--solved .bs-tcard__quad>.bs-tcard__quad-cell:last-child:not(.bs-tcard__quad-cell--diagram):not(.bs-tcard__quad-cell--full),body.bst-truss-solved-mode .bs-tcard__quad>.bs-tcard__quad-cell:last-child:not(.bs-tcard__quad-cell--diagram):not(.bs-tcard__quad-cell--full){border-radius:0 0 18px 18px!important;padding-bottom:28px!important}.bs-trusslab--solved .bs-tcard__quad>.bs-tcard__quad-cell:nth-child(2):last-child:not(.bs-tcard__quad-cell--diagram):not(.bs-tcard__quad-cell--full),body.bst-truss-solved-mode .bs-tcard__quad>.bs-tcard__quad-cell:nth-child(2):last-child:not(.bs-tcard__quad-cell--diagram):not(.bs-tcard__quad-cell--full){border-radius:18px!important}.bs-trusslab--solved .bs-tcard__quad-cell--diagram svg,.bs-trusslab--solved .bs-tcard__mini svg,.bs-trusslab--solved .bs-trusslab__panel svg,body.bst-truss-solved-mode .bs-tcard__quad-cell--diagram svg,body.bst-truss-solved-mode .bs-tcard__mini svg,body.bst-truss-solved-mode .bs-trusslab__panel svg{width:100%!important;max-width:100%!important;height:auto!important}body.bst-truss-solved-mode .bs-tcard__body,.bs-trusslab--solved .bs-tcard__body{grid-template-columns:minmax(0,1fr) minmax(0,2.2fr)!important;gap:0 24px!important}body.bst-truss-solved-mode .bs-tcard--blind .bs-tcard__body,.bs-trusslab--solved .bs-tcard--blind .bs-tcard__body{grid-template-columns:1fr!important}.bs-trusslab--solved .bs-trusslab__panel,body.bst-truss-solved-mode .bs-trusslab__panel{max-width:760px!important;margin-left:auto!important;margin-right:auto!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab){box-shadow:none!important;background:0 0!important;border:none!important;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr)!important;gap:0 24px!important;padding:0!important;display:grid!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab){box-shadow:none!important;background:0 0!important;border:none!important;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr)!important;gap:0 24px!important;padding:0!important;display:grid!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab)>.bs-tcard__head{display:none!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab)>.bs-tcard__head{display:none!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab)>.bs-worklab{position:sticky;top:16px;background:0 0!important;border:none!important;flex-direction:column-reverse!important;grid-area:1/2/span 99/3!important;align-self:start!important;gap:24px!important;min-height:0!important;margin:0!important;padding:0!important;display:flex!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab)>.bs-worklab{position:sticky;top:16px;background:0 0!important;border:none!important;flex-direction:column-reverse!important;grid-area:1/2/span 99/3!important;align-self:start!important;gap:24px!important;min-height:0!important;margin:0!important;padding:0!important;display:flex!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab)>.bs-worklab>.bs-worklab__context{flex-direction:column!important;flex:none!important;align-self:stretch!important;align-items:center!important;width:100%!important;max-width:none!important;min-height:0!important;display:flex!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab)>.bs-worklab>.bs-worklab__decomp{flex-direction:column!important;flex:none!important;align-self:stretch!important;align-items:center!important;width:100%!important;max-width:none!important;min-height:0!important;display:flex!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab)>.bs-worklab>.bs-worklab__context{flex-direction:column!important;flex:none!important;align-self:stretch!important;align-items:center!important;width:100%!important;max-width:none!important;min-height:0!important;display:flex!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab)>.bs-worklab>.bs-worklab__decomp{flex-direction:column!important;flex:none!important;align-self:stretch!important;align-items:center!important;width:100%!important;max-width:none!important;min-height:0!important;display:flex!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab) .bs-worklab__context-frame{box-shadow:none!important;box-sizing:border-box!important;background:0 0!important;border:none!important;border-radius:0!important;justify-content:center!important;align-items:center!important;width:100%!important;max-width:100%!important;padding:0!important;display:flex!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab) .bs-worklab__context-frame{box-shadow:none!important;box-sizing:border-box!important;background:0 0!important;border:none!important;border-radius:0!important;justify-content:center!important;align-items:center!important;width:100%!important;max-width:100%!important;padding:0!important;display:flex!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab) .bs-worklab__context-frame svg{width:100%!important;max-width:100%!important;height:auto!important;display:block!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab) .bs-worklab__context-frame svg{width:100%!important;max-width:100%!important;height:auto!important;display:block!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab) .bs-decomp__zoom svg{width:100%!important;max-width:100%!important;height:auto!important;display:block!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab) .bs-decomp__zoom svg{width:100%!important;max-width:100%!important;height:auto!important;display:block!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab) .bs-decomp__zoom{flex:none!important;justify-content:center!important;align-items:center!important;width:100%!important;max-width:360px!important;margin:0 auto!important;display:flex!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab) .bs-decomp__zoom{flex:none!important;justify-content:center!important;align-items:center!important;width:100%!important;max-width:360px!important;margin:0 auto!important;display:flex!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab)>.bs-worklab>.bs-worklab__context{max-width:300px!important;margin:0 auto!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab)>.bs-worklab>.bs-worklab__context{max-width:300px!important;margin:0 auto!important}.bs-trusslab--solved .bs-worklab__context,.bs-trusslab--solved .bs-worklab__decomp,.bs-trusslab--solved .bs-worklab__context-frame,body.bst-truss-solved-mode .bs-worklab__context,body.bst-truss-solved-mode .bs-worklab__decomp,body.bst-truss-solved-mode .bs-worklab__context-frame{box-shadow:none!important;background:0 0!important;border:none!important;padding:0!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab) .bs-worklab__context-label{display:none!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab) .bs-worklab__context-label{display:none!important}.bs-trusslab--solved .bs-worklab__context-label,body.bst-truss-solved-mode .bs-worklab__context-label{color:#4a4f59!important;font-family:var(--bs-font-heading)!important;letter-spacing:.3px!important;text-align:center!important;background:0 0!important;border:none!important;padding:0!important;font-size:18px!important;font-weight:400!important}.bs-trusslab--solved .bs-decomp__title,body.bst-truss-solved-mode .bs-decomp__title{color:#4a4f59!important;font-family:var(--bs-font-heading)!important;letter-spacing:.3px!important;text-align:center!important;margin-bottom:8px!important;font-size:18px!important;font-weight:400!important}.bs-trusslab--solved .bs-decomp__eqs,body.bst-truss-solved-mode .bs-decomp__eqs{color:#4a4f59!important}.bs-trusslab--solved .bs-decomp__note,body.bst-truss-solved-mode .bs-decomp__note{color:#6b7280!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab)>.bs-vx{color:#fff!important;border:none!important;background:#0a0c12!important;border-top:none!important;border-radius:0!important;grid-column:1/2!important;width:auto!important;max-width:none!important;margin:0!important;padding:18px 22px!important;display:block!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab)>.bs-tcard__assume{color:#fff!important;border:none!important;background:#0a0c12!important;border-top:none!important;border-radius:0!important;grid-column:1/2!important;width:auto!important;max-width:none!important;margin:0!important;padding:18px 22px!important;display:block!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab)>.bs-tcard__forces{color:#fff!important;border:none!important;background:#0a0c12!important;border-top:none!important;border-radius:0!important;grid-column:1/2!important;width:auto!important;max-width:none!important;margin:0!important;padding:18px 22px!important;display:block!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab)>.bs-eqs{color:#fff!important;border:none!important;background:#0a0c12!important;border-top:none!important;border-radius:0!important;grid-column:1/2!important;width:auto!important;max-width:none!important;margin:0!important;padding:18px 22px!important;display:block!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab)>.bs-eq{color:#fff!important;border:none!important;background:#0a0c12!important;border-top:none!important;border-radius:0!important;grid-column:1/2!important;width:auto!important;max-width:none!important;margin:0!important;padding:18px 22px!important;display:block!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab)>.bs-eqs--cols{color:#fff!important;border:none!important;background:#0a0c12!important;border-top:none!important;border-radius:0!important;grid-column:1/2!important;width:auto!important;max-width:none!important;margin:0!important;padding:18px 22px!important;display:block!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab)>.bs-tcard__sum{color:#fff!important;border:none!important;background:#0a0c12!important;border-top:none!important;border-radius:0!important;grid-column:1/2!important;width:auto!important;max-width:none!important;margin:0!important;padding:18px 22px!important;display:block!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab)>.bs-jsum{color:#fff!important;border:none!important;background:#0a0c12!important;border-top:none!important;border-radius:0!important;grid-column:1/2!important;width:auto!important;max-width:none!important;margin:0!important;padding:18px 22px!important;display:block!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab)>.bs-vx{color:#fff!important;border:none!important;background:#0a0c12!important;border-top:none!important;border-radius:0!important;grid-column:1/2!important;width:auto!important;max-width:none!important;margin:0!important;padding:18px 22px!important;display:block!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab)>.bs-tcard__assume{color:#fff!important;border:none!important;background:#0a0c12!important;border-top:none!important;border-radius:0!important;grid-column:1/2!important;width:auto!important;max-width:none!important;margin:0!important;padding:18px 22px!important;display:block!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab)>.bs-tcard__forces{color:#fff!important;border:none!important;background:#0a0c12!important;border-top:none!important;border-radius:0!important;grid-column:1/2!important;width:auto!important;max-width:none!important;margin:0!important;padding:18px 22px!important;display:block!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab)>.bs-eqs{color:#fff!important;border:none!important;background:#0a0c12!important;border-top:none!important;border-radius:0!important;grid-column:1/2!important;width:auto!important;max-width:none!important;margin:0!important;padding:18px 22px!important;display:block!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab)>.bs-eq{color:#fff!important;border:none!important;background:#0a0c12!important;border-top:none!important;border-radius:0!important;grid-column:1/2!important;width:auto!important;max-width:none!important;margin:0!important;padding:18px 22px!important;display:block!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab)>.bs-eqs--cols{color:#fff!important;border:none!important;background:#0a0c12!important;border-top:none!important;border-radius:0!important;grid-column:1/2!important;width:auto!important;max-width:none!important;margin:0!important;padding:18px 22px!important;display:block!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab)>.bs-tcard__sum{color:#fff!important;border:none!important;background:#0a0c12!important;border-top:none!important;border-radius:0!important;grid-column:1/2!important;width:auto!important;max-width:none!important;margin:0!important;padding:18px 22px!important;display:block!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab)>.bs-jsum{color:#fff!important;border:none!important;background:#0a0c12!important;border-top:none!important;border-radius:0!important;grid-column:1/2!important;width:auto!important;max-width:none!important;margin:0!important;padding:18px 22px!important;display:block!important}.bs-trusslab--solved .bs-jsum,body.bst-truss-solved-mode .bs-jsum{color:#fff!important;background:#0a0c12!important;border:none!important}.bs-trusslab--solved .bs-jsum__title,.bs-trusslab--solved .bs-jsum__m,.bs-trusslab--solved .bs-jsum__note,.bs-trusslab--solved .bs-jsum__state,.bs-trusslab--solved .bs-jsum__state--tension,.bs-trusslab--solved .bs-jsum__state--compression,.bs-trusslab--solved .bs-jsum__state--zero,.bs-trusslab--solved .bs-jsum__zero,body.bst-truss-solved-mode .bs-jsum__title,body.bst-truss-solved-mode .bs-jsum__m,body.bst-truss-solved-mode .bs-jsum__note,body.bst-truss-solved-mode .bs-jsum__state,body.bst-truss-solved-mode .bs-jsum__state--tension,body.bst-truss-solved-mode .bs-jsum__state--compression,body.bst-truss-solved-mode .bs-jsum__state--zero,body.bst-truss-solved-mode .bs-jsum__zero{color:#fff!important;border-color:#ffffff1a!important}.bs-trusslab--solved .bs-jsum__check,body.bst-truss-solved-mode .bs-jsum__check{color:#fff!important;background:#16a34a!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab)>.bs-vx{border-top-left-radius:18px!important;border-top-right-radius:18px!important;padding-top:24px!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab)>.bs-vx{border-top-left-radius:18px!important;border-top-right-radius:18px!important;padding-top:24px!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab):not(:has(>.bs-vx))>.bs-tcard__assume{border-top-left-radius:18px!important;border-top-right-radius:18px!important;padding-top:24px!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab):not(:has(>.bs-vx))>.bs-tcard__assume{border-top-left-radius:18px!important;border-top-right-radius:18px!important;padding-top:24px!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab)>.bs-vx~.bs-tcard__assume{border-top-left-radius:0!important;border-top-right-radius:0!important;padding-top:18px!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab)>.bs-vx~.bs-tcard__assume{border-top-left-radius:0!important;border-top-right-radius:0!important;padding-top:18px!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab)>:last-child{border-bottom-right-radius:18px!important;border-bottom-left-radius:18px!important;padding-bottom:24px!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab)>:last-child{border-bottom-right-radius:18px!important;border-bottom-left-radius:18px!important;padding-bottom:24px!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab) .bs-eq{background:0 0!important;border:none!important;border-radius:0!important;padding:0!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab) .bs-eq{background:0 0!important;border:none!important;border-radius:0!important;padding:0!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab)>.bs-tcard__assume b{color:#fff!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab)>.bs-tcard__assume b{color:#fff!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab) svg{box-shadow:none!important;background:0 0!important;border:none!important;max-width:100%!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab) svg{box-shadow:none!important;background:0 0!important;border:none!important;max-width:100%!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab) .bs-eqs{grid-template-columns:1fr!important;min-width:0!important;max-width:none!important;margin:0!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab) .bs-eqs--cols{grid-template-columns:1fr!important;min-width:0!important;max-width:none!important;margin:0!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab) .bs-eqs{grid-template-columns:1fr!important;min-width:0!important;max-width:none!important;margin:0!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab) .bs-eqs--cols{grid-template-columns:1fr!important;min-width:0!important;max-width:none!important;margin:0!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab) .bs-eq{overflow-wrap:anywhere;min-width:0!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab) .bs-eq{overflow-wrap:anywhere;min-width:0!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab) .bs-eq__title{font-size:22px!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab) .bs-eq__title{font-size:22px!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab) .bs-eq__math{white-space:normal!important;font-size:15px!important;line-height:1.8!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab) .bs-eq__math{white-space:normal!important;font-size:15px!important;line-height:1.8!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab) .bs-eq__badge{padding:6px 14px!important;font-size:16px!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab) .bs-eq__badge{padding:6px 14px!important;font-size:16px!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab) .bs-eq__phase{font-size:11px!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab) .bs-eq__phase{font-size:11px!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab) .bs-eq__num{width:24px!important;height:24px!important;font-size:12px!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab) .bs-eq__num{width:24px!important;height:24px!important;font-size:12px!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab) .bs-eq__flow{padding-inline-start:0!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab) .bs-eq__flow{padding-inline-start:0!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab) .bs-eq__node{padding-bottom:14px!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab) .bs-eq__node{padding-bottom:14px!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab)>.bs-tcard__forces{flex-wrap:wrap!important;gap:6px!important;min-width:0!important;max-width:100%!important;display:flex!important;overflow:hidden!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab)>.bs-tcard__forces{flex-wrap:wrap!important;gap:6px!important;min-width:0!important;max-width:100%!important;display:flex!important;overflow:hidden!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab) .bs-tcard__chip{white-space:nowrap;flex:none;padding:3px 10px!important;font-size:11px!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab) .bs-tcard__chip{white-space:nowrap;flex:none;padding:3px 10px!important;font-size:11px!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab) .bs-mts-step__inputs{flex-wrap:wrap!important;justify-content:center!important;gap:12px!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab) .bs-mts-step__inputs{flex-wrap:wrap!important;justify-content:center!important;gap:12px!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab) .bs-mts-step__input{width:5ch!important;min-width:56px!important;padding:5px 10px!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab) .bs-mts-step__input{width:5ch!important;min-width:56px!important;padding:5px 10px!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab) .bs-worklab__context-frame svg text{font-size:10px!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab) .bs-worklab__context-frame svg text{font-size:10px!important}.bs-trusslab--solved .bs-tcard:has(.bs-worklab) .bs-decomp__zoom svg text{font-size:13px!important}body.bst-truss-solved-mode .bs-tcard:has(.bs-worklab) .bs-decomp__zoom svg text{font-size:13px!important}.bs-slab-workspace{isolation:isolate;color:#1f2430;min-height:100svh;font-family:var(--bs-font-body,system-ui, -apple-system, "Segoe UI", sans-serif);background-color:#fbf9ed;padding:24px 28px 80px;position:relative}.bs-slab-workspace:before{content:"";z-index:-2;pointer-events:none;background-image:url(/bst-bg.png);background-position:50%;background-repeat:no-repeat;background-size:cover;position:fixed;inset:0}.bs-slab-workspace *{box-sizing:border-box}.bs-slab-workspace__inner{width:100%;max-width:1400px;margin:0 auto}.bs-slab-workspace__topbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:28px;display:flex}.bs-slab-back-card{color:#fff;cursor:pointer;background:#0a0c12;border:1px solid #0a0c12;border-radius:9px;align-items:center;gap:8px;padding:6px 14px;font-family:inherit;font-size:12.5px;font-weight:600;transition:background .14s,border-color .14s,color .14s,transform 80ms;display:inline-flex}.bs-slab-back-card:hover{color:#fff;background:#1f2430;border-color:#1f2430}.bs-slab-back-card:active{transform:translateY(1px)}.bs-slab-back-card:focus-visible{outline-offset:2px;outline:2px solid #38bdf8}.bs-slab-back-card__icon{color:#fff;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;display:inline-flex}.bs-slab-header{text-align:center;max-width:760px;margin:0 auto 36px;padding-top:32px}.bs-slab-header__eyebrow{letter-spacing:.18em;color:#6b7280;text-transform:uppercase;margin:0 0 14px;font-size:12.5px}.bs-slab-header__title{font-family:var(--bs-font-heading);color:#14181f;letter-spacing:-.5px;margin:0 0 14px;font-size:clamp(34px,5vw,44px);font-weight:800;line-height:1.15}.bs-slab-header__sub{color:#4b5563;margin:0;font-size:16px;line-height:1.6}.bs-slab-section{margin:0 0 36px}.bs-slab-section__title{color:#14181f;letter-spacing:-.1px;margin:0 0 16px;font-size:18px;font-weight:700}.bs-slab-upload{text-align:center;background:#fff;border:1px solid #0f172a14;border-radius:14px;padding:32px 24px;transition:border-color .18s,background .16s,box-shadow .22s;box-shadow:0 1px 2px #0f172a08,0 8px 24px -16px #0f172a1f}.bs-slab-upload--empty{cursor:pointer;background:#fff;border-style:dashed;border-color:#0f172a29}.bs-slab-upload--empty:hover{background:#fbfaf7;border-color:#0f172a52;box-shadow:0 1px 2px #0f172a0a,0 16px 28px -20px #0f172a33}.bs-slab-upload__icon{color:#4b5563;background:#f3f4f6;border:1px solid #0f172a0d;border-radius:12px;justify-content:center;align-items:center;width:44px;height:44px;margin:0 auto 14px;display:flex}.bs-slab-upload__title{color:#14181f;margin:0 0 6px;font-size:15px;font-weight:700}.bs-slab-upload__hint{color:#6b7280;margin:0;font-size:13px;line-height:1.55}.bs-slab-upload__preview{flex-direction:column;align-items:center;gap:16px;display:flex}.bs-slab-upload__image{border:1px solid #0f172a14;border-radius:10px;max-width:100%;max-height:480px;display:block}.bs-slab-upload__actions{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.bs-slab-upload__file-input{display:none}.bs-slab-btn{appearance:none;font:inherit;cursor:pointer;border-radius:8px;padding:8px 14px;font-family:inherit;font-size:13.5px;transition:background .14s,border-color .14s,color .14s}.bs-slab-btn--ghost{color:#1f2430;background:#fff;border:1px solid #0f172a26}.bs-slab-btn--ghost:hover{background:#f8fafc;border-color:#0f172a4d}.bs-slab-btn--danger{color:#b91c1c;background:#fff;border:1px solid #b91c1c4d}.bs-slab-btn--danger:hover{background:#b91c1c0f;border-color:#b91c1c80}.bs-slab-btn--primary{color:#fff;background:#0a0c12;border:1px solid #0a0c12;border-radius:9px;padding:9px 18px;font-weight:700}.bs-slab-btn--primary:hover{color:#fff;background:#1f2430;border-color:#1f2430}.bs-slab-btn:focus-visible{outline-offset:2px;outline:2px solid #38bdf8}.bs-slab-schemes-empty{text-align:center;color:#6b6a5a;background:#fff;border:1px dashed #d9d2bb;border-radius:12px;padding:28px 20px;font-size:14px}.bs-slab-schemes-list{flex-direction:column;gap:20px;margin:0 0 16px;display:flex}.bs-slab-schemes-add{justify-content:center;margin:0;display:flex}.bs-slab-card{background-color:#fbf9f0;background-image:url(/landing-preview/background.png);background-position:top;background-repeat:no-repeat;background-size:cover;border:1px solid #14181f1a;border-radius:14px;padding:22px 22px 18px;box-shadow:0 1px 2px #14181f0a}.bs-slab-card__header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:12px;display:flex}.bs-slab-card__title{color:#14181f;margin:0;font-size:17px;font-weight:700}.bs-slab-card__name-row{flex-direction:column;flex:1;gap:4px;min-width:180px;display:flex}.bs-slab-card__name-label{color:#6b6a5a;letter-spacing:.04em;font-size:12px}.bs-slab-card__name-input{font:inherit;color:#1f2430;background:#fdfcf6;border:1px solid #14181f1f;border-radius:8px;padding:7px 10px;font-size:14px;transition:border-color .16s,background .16s}.bs-slab-card__name-input:focus{background:#fff;border-color:#8a8676;outline:none}.bs-slab-card__section{border-top:1px dashed #14181f14;margin-top:18px;padding-top:14px}.bs-slab-card__section-title{color:#6b6a5a;letter-spacing:.04em;margin:0 0 10px;font-size:13px;font-weight:600}.bs-slab-types{grid-template-columns:repeat(2,1fr);gap:8px;display:grid}@media (width<=560px){.bs-slab-types{grid-template-columns:1fr}}.bs-slab-type{cursor:pointer;background:#fdfcf6;border:1px solid #14181f14;border-radius:8px;align-items:center;gap:8px;padding:9px 12px;transition:border-color .16s,background .16s;display:flex}.bs-slab-type:hover{background:#fff;border-color:#8a8676}.bs-slab-type input{accent-color:#1f2430;cursor:pointer}.bs-slab-type__label{color:#1f2430;font-size:14px}.bs-slab-type--checked{background:#fff;border-color:#1f2430;box-shadow:inset 0 0 0 1px #1f2430}.bs-slab-spans{flex-direction:column;gap:8px;display:flex}.bs-slab-span-row{grid-template-columns:130px 1fr auto;align-items:center;gap:10px;display:grid}@media (width<=480px){.bs-slab-span-row{grid-template-columns:110px 1fr auto}}.bs-slab-span-row__label{color:#1f2430;font-size:14px}.bs-slab-span-row__label--cantilever{color:#8a8676;font-style:italic}.bs-slab-span-row__input-wrap{background:#fdfcf6;border:1px solid #14181f1f;border-radius:8px;align-items:center;gap:6px;padding:6px 10px;transition:border-color .16s,background .16s;display:flex}.bs-slab-span-row__input-wrap:focus-within{background:#fff;border-color:#8a8676}.bs-slab-span-row__input{font:inherit;color:#1f2430;text-align:right;background:0 0;border:0;outline:0;flex:1;min-width:0;font-size:14px}.bs-slab-span-row__unit{color:#6b6a5a;-webkit-user-select:none;user-select:none;font-size:13px}.bs-slab-spans__add{justify-content:flex-start;margin-top:6px;display:flex}.bs-slab-spans__locked-note{color:#8a8676;margin-top:6px;font-size:12.5px;font-style:italic}.bs-slab-preview{background:#fdfcf6;border:1px solid #14181f14;border-radius:10px;flex-direction:column;align-items:center;padding:18px 12px 10px;display:flex}.bs-slab-preview__placeholder{color:#8a8676;padding:20px 10px;font-size:13px;font-style:italic}.bs-slab-preview__svg{direction:ltr;width:100%;max-width:760px;height:auto}.bs-slab-card__footer{border-top:1px dashed #14181f14;justify-content:flex-end;margin-top:16px;padding-top:12px;display:flex}.bs-slab-catalog{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}@media (width<=560px){.bs-slab-catalog{grid-template-columns:1fr}}.bs-slab-catalog-card{appearance:none;text-align:right;cursor:pointer;font:inherit;color:inherit;background:#fdfcf6;border:1px solid #14181f1a;border-radius:12px;flex-direction:column;gap:6px;padding:12px 14px 10px;transition:border-color .16s,background .16s,box-shadow .2s,transform 80ms;display:flex;position:relative}.bs-slab-catalog-card:hover{background:#fff;border-color:#8a8676;box-shadow:0 4px 12px -6px #14181f2e}.bs-slab-catalog-card:active{transform:translateY(1px)}.bs-slab-catalog-card:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bs-slab-catalog-card--checked{background:#fff;border-color:#1f2430;box-shadow:inset 0 0 0 1px #1f2430,0 4px 12px -6px #14181f2e}.bs-slab-catalog-card__check{top:8px;color:#fbf9ed;background:#1f2430;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;display:flex;position:absolute;inset-inline-start:10px}.bs-slab-catalog-card__icon{background:#fff;border-radius:8px;padding:4px 2px}.bs-slab-catalog-card__title{color:#14181f;font-size:14.5px;font-weight:700}.bs-slab-catalog-card__context{color:#6b6a5a;font-size:12.5px;line-height:1.45}.bs-slab-card__section-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin:0 0 10px;display:flex}.bs-slab-card__section-head .bs-slab-card__section-title{margin:0}.bs-slab-wizard-trigger{appearance:none;font:inherit;color:#1f2430;cursor:pointer;background:#f4f1e3;border:1px solid #d9d2bb;border-radius:999px;align-items:center;gap:6px;padding:5px 12px;font-size:13px;transition:background .16s,border-color .16s;display:inline-flex}.bs-slab-wizard-trigger:hover{background:#fdfcf6;border-color:#8a8676}.bs-slab-wizard-trigger:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bs-slab-card__wizard-chip{color:#6b6a5a;background:#f4f1e3;border:1px dashed #d9d2bb;border-radius:8px;margin:0 0 10px;padding:5px 10px;font-size:12.5px;display:inline-block}.bs-slab-wizard__backdrop{z-index:1000;background:#14181f73;justify-content:center;align-items:center;padding:24px 16px;display:flex;position:fixed;inset:0;overflow-y:auto}.bs-slab-wizard__dialog{color:#1f2430;width:100%;max-width:560px;max-height:calc(100vh - 48px);font-family:var(--bs-font-body,system-ui, -apple-system, "Segoe UI", sans-serif);background:#fdfcf6;border:1px solid #14181f1a;border-radius:16px;flex-direction:column;display:flex;box-shadow:0 24px 60px -20px #14181f80}.bs-slab-wizard__header{border-bottom:1px dashed #14181f1a;justify-content:space-between;align-items:center;gap:12px;padding:16px 20px 12px;display:flex}.bs-slab-wizard__title{color:#14181f;margin:0;font-size:17px;font-weight:700}.bs-slab-wizard__close{appearance:none;font:inherit;color:#6b6a5a;cursor:pointer;background:0 0;border:0;border-radius:6px;padding:4px 8px;font-size:22px;line-height:1}.bs-slab-wizard__close:hover{color:#1f2430;background:#14181f0f}.bs-slab-wizard__body{padding:18px 20px;overflow-y:auto}.bs-slab-wizard__footer{border-top:1px dashed #14181f1a;justify-content:space-between;align-items:center;gap:12px;padding:12px 20px 16px;display:flex}.bs-slab-wizard__progress{color:#6b6a5a;letter-spacing:.04em;font-size:12.5px}.bs-slab-wizard__nav{gap:8px;display:flex}.bs-slab-wizard__nav .bs-slab-btn:disabled{opacity:.5;cursor:not-allowed}.bs-slab-wizard__step-title{color:#8a8676;letter-spacing:.08em;text-transform:uppercase;margin:0 0 4px;font-size:12.5px}.bs-slab-wizard__question{color:#14181f;margin:0 0 10px;font-size:17px;font-weight:700;line-height:1.4}.bs-slab-wizard__help{color:#4a4f5b;margin:0 0 16px;font-size:14px;line-height:1.6}.bs-slab-wizard__options{flex-direction:column;gap:10px;display:flex}.bs-slab-wizard__option{cursor:pointer;background:#fff;border:1px solid #14181f1a;border-radius:10px;grid-template-columns:22px 1fr;align-items:start;gap:12px;padding:12px 14px;transition:border-color .16s,background .16s;display:grid}.bs-slab-wizard__option:hover{border-color:#8a8676}.bs-slab-wizard__option--checked{background:#fdfcf6;border-color:#1f2430;box-shadow:inset 0 0 0 1px #1f2430}.bs-slab-wizard__option input{accent-color:#1f2430;cursor:pointer;margin-top:4px}.bs-slab-wizard__option-body{flex-direction:column;gap:4px;display:flex}.bs-slab-wizard__option-label{color:#1f2430;font-size:14.5px;font-weight:600}.bs-slab-wizard__option-hint{color:#6b6a5a;font-size:13px;line-height:1.5}.bs-slab-wizard__review{flex-direction:column;gap:0;display:flex}.bs-slab-wizard__review-card{background:#fff;border:1px solid #14181f1a;border-radius:12px;align-items:center;gap:14px;margin:4px 0 12px;padding:14px 16px;display:flex}.bs-slab-wizard__review-icon{background:#fdfcf6;border-radius:8px;flex:none;width:160px;padding:4px 0}.bs-slab-wizard__review-meta{flex-direction:column;gap:2px;display:flex}.bs-slab-wizard__review-name{color:#14181f;font-size:16px;font-weight:700}.bs-slab-wizard__review-context{color:#6b6a5a;font-size:13px}.bs-slab-wizard__review-note{color:#4a4f5b;margin:0;font-size:13.5px;line-height:1.55}.bs-slab-workspace__cols{grid-template-columns:minmax(0,40%) minmax(0,60%);align-items:start;gap:32px;width:min(100vw - 56px,1560px);margin-inline:calc(50% + min(100vw - 56px,1560px)/-2);display:grid}.bs-slab-workspace__sticky-image{align-self:start;position:sticky;top:16px;overflow:visible}.bs-slab-workspace__sticky-image .bs-slab-upload__image{object-fit:contain;width:auto;max-width:100%;height:auto;max-height:calc(100vh - 240px)}.bs-slab-workspace__schemes{min-width:0;min-height:calc(100vh - 32px)}@media (width<=980px){.bs-slab-workspace__cols{display:block}.bs-slab-workspace__sticky-image{max-height:none;margin-bottom:16px;position:static;overflow:visible}.bs-slab-workspace__sticky-image .bs-slab-upload__image{width:auto;height:auto;max-height:480px}}.bs-slab-chips{flex-wrap:wrap;gap:8px;margin:0 0 4px;display:flex}.bs-slab-chip{appearance:none;font:inherit;cursor:pointer;color:#1f2430;background:#fdfcf6;border:1px solid #14181f1a;border-radius:10px;flex-direction:column;align-items:stretch;gap:4px;min-width:110px;max-width:150px;padding:6px 10px 8px;transition:border-color .16s,background .16s,box-shadow .2s,transform 80ms;display:flex;position:relative}.bs-slab-chip:hover{background:#fff;border-color:#8a8676;box-shadow:0 4px 12px -6px #14181f2e}.bs-slab-chip:active{transform:translateY(1px)}.bs-slab-chip:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bs-slab-chip--selected{color:#fbf9ed;background:#1f2430;border-color:#1f2430;box-shadow:0 4px 12px -6px #14181f4d}.bs-slab-chip--selected:hover{background:#2a3140}.bs-slab-chip__icon{background:#fff;border-radius:6px;padding:2px 2px 0;line-height:0;display:block}.bs-slab-chip__icon svg{max-height:34px}.bs-slab-chip__name{text-align:center;font-size:12px;font-weight:600;line-height:1.2}.bs-slab-chip--matched{border-color:#8a8676;animation:1.8s ease-in-out infinite bs-slab-chip-pulse;box-shadow:0 0 0 2px #8a867666}.bs-slab-chip__matched-badge{top:-8px;letter-spacing:.04em;color:#fbf9ed;pointer-events:none;background:#8a8676;border-radius:4px;padding:1px 6px;font-size:10px;font-weight:700;position:absolute;inset-inline-start:8px}@keyframes bs-slab-chip-pulse{0%,to{box-shadow:0 0 0 2px #8a867666}50%{box-shadow:0 0 0 4px #8a86762e}}@media (prefers-reduced-motion:reduce){.bs-slab-chip--matched{animation:none}}.bs-slab-inline-filter{background:#fdfcf6;border:1px dashed #d9d2bb;border-radius:10px;flex-wrap:wrap;align-items:center;gap:10px 14px;margin:10px 0 0;padding:10px 12px;display:flex}.bs-slab-inline-filter__lead{color:#6b6a5a;font-size:13px;font-weight:600}.bs-slab-inline-filter__group{align-items:center;gap:6px;display:inline-flex}.bs-slab-inline-filter__label{color:#4a4f5b;font-size:13px}.bs-slab-inline-filter__select{font:inherit;color:#1f2430;cursor:pointer;background:#fff;border:1px solid #14181f26;border-radius:6px;max-width:220px;padding:5px 8px;font-size:13px}.bs-slab-inline-filter__select:focus-visible{outline-offset:1px;outline:2px solid #c7b78a}.bs-slab-inline-filter__reset{appearance:none;font:inherit;color:#8a3a3a;cursor:pointer;background:0 0;border:0;border-radius:4px;padding:4px 6px;font-size:12.5px}.bs-slab-inline-filter__reset:hover{background:#8a3a3a0f}.bs-slab-card__section--preview-compact .bs-slab-preview{padding:10px 8px 6px}.bs-slab-card__section--preview-compact .bs-slab-preview__svg{max-width:560px}.bs-slab-spans-compact{direction:ltr;flex-wrap:wrap;align-items:stretch;gap:10px;display:flex}.bs-slab-span-pill{direction:rtl;background:#fdfcf6;border:1px solid #14181f1a;border-radius:10px;flex-direction:column;gap:4px;min-width:130px;padding:8px 10px 10px;display:flex;position:relative}.bs-slab-span-pill__label{color:#4a4f5b;letter-spacing:.02em;font-size:11.5px;font-weight:600}.bs-slab-span-pill__label--cantilever{color:#8a8676;font-style:italic}.bs-slab-span-pill__field{background:#fff;border:1px solid #14181f1f;border-radius:7px;align-items:center;gap:5px;padding:5px 8px;transition:border-color .16s;display:inline-flex}.bs-slab-span-pill__field:focus-within{border-color:#8a8676}.bs-slab-span-pill__input{font:inherit;text-align:right;color:#1f2430;background:0 0;border:0;outline:0;width:60px;font-size:14px}.bs-slab-span-pill__unit{color:#6b6a5a;-webkit-user-select:none;user-select:none;font-size:12.5px}.bs-slab-span-pill__remove{top:-8px;color:#8a3a3a;width:22px;height:22px;font:inherit;cursor:pointer;background:#fff;border:1px solid #8a3a3a66;border-radius:50%;justify-content:center;align-items:center;padding:0;font-size:14px;line-height:1;display:flex;position:absolute;inset-inline-end:-8px;box-shadow:0 1px 2px #14181f1a}.bs-slab-span-pill__remove:hover{background:#8a3a3a14;border-color:#8a3a3aa6}.bs-slab-span-pill__add{appearance:none;font:inherit;cursor:pointer;color:#1f2430;background:0 0;border:1px dashed #c7bfa6;border-radius:10px;min-width:110px;min-height:56px;padding:0 14px;font-size:13.5px;transition:background .16s,border-color .16s}.bs-slab-span-pill__add:hover{background:#1f24300f;border-color:#8a8676}.bs-slab-card__section--stage,.bs-slab-stage-locked-section{border-top:2px solid #14181f1a;margin-top:18px;padding-top:16px}.bs-slab-stage-shell{flex-direction:column;gap:12px;display:flex}.bs-slab-stage-shell__header{flex-direction:column;gap:8px;display:flex}.bs-slab-stage-shell__title-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;display:flex}.bs-slab-stage-shell__title{color:#14181f;margin:0;font-size:16px;font-weight:700}.bs-slab-stage-shell__index{color:#6b6a5a;font-weight:500}.bs-slab-stage-shell__mode{align-items:center;gap:8px;display:inline-flex}.bs-slab-stage-shell__mode-label{color:#6b6a5a;letter-spacing:.04em;font-size:12.5px}.bs-slab-stage-shell__body{padding-top:2px}.bs-slab-stage-status-chip{border:1px solid #0000;border-radius:999px;align-items:center;gap:6px;padding:4px 10px;font-size:12px;font-weight:700;display:inline-flex}.bs-slab-stage-status-chip__glyph{font-family:inherit;font-size:13px;line-height:1}.bs-slab-stage-status-chip--pending{color:#6b6a5a;background:#f4f1e3;border-color:#d9d2bb}.bs-slab-stage-status-chip--in-progress{color:#8a6d1e;background:#fdf6dd;border-color:#e8d8a4}.bs-slab-stage-status-chip--validated{color:#065f46;background:#10b9811a;border-color:#10b98159}.bs-slab-stage-status-chip--auto-filled{color:#8a6d1e;background:#f6efd6;border-color:#d9c98a}.bs-slab-stage-status-chip--error{color:#8a3a3a;background:#8a3a3a1a;border-color:#8a3a3a59}.bs-slab-mode-toggle{background:#fdfcf6;border:1px solid #14181f1f;border-radius:8px;padding:2px;display:inline-flex}.bs-slab-mode-toggle__btn{appearance:none;font:inherit;color:#4a4f5b;cursor:pointer;background:0 0;border:0;border-radius:6px;padding:5px 12px;font-size:12.5px;font-weight:600;transition:background .14s,color .14s}.bs-slab-mode-toggle__btn:hover{color:#1f2430;background:#14181f0d}.bs-slab-mode-toggle__btn--active{color:#fbf9ed;background:#1f2430}.bs-slab-mode-toggle__btn--active:hover{color:#fbf9ed;background:#2a3140}.bs-slab-mode-toggle__btn:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bs-slab-stage-locked{background:#fdfcf6;border:1px dashed #d9d2bb;border-radius:10px;flex-direction:column;gap:6px;padding:14px 16px;display:flex}.bs-slab-stage-locked__title{color:#4a4f5b;align-items:center;gap:10px;font-size:14px;font-weight:700;display:flex}.bs-slab-stage-locked__chip{letter-spacing:.06em;color:#6b6a5a;background:#fff;border:1px solid #d9d2bb;border-radius:999px;padding:2px 8px;font-size:11px;font-weight:700}.bs-slab-stage-locked__note{color:#6b6a5a;margin:0;font-size:13px;line-height:1.5}.bs-slab-coefficients{flex-direction:column;gap:12px;display:flex}.bs-slab-coefficients__pills{flex-wrap:wrap;gap:10px;display:flex}.bs-slab-coefficient-pill{background:#fff;border:1px solid #14181f1a;border-radius:10px;flex-direction:column;gap:4px;min-width:150px;padding:8px 10px;transition:border-color .16s,background .16s;display:flex}.bs-slab-coefficient-pill--cantilever{background:#fdfcf6}.bs-slab-coefficient-pill--ok{background:#10b9810f;border-color:#10b98173}.bs-slab-coefficient-pill--bad{background:#8a3a3a0d;border-color:#8a3a3a73}.bs-slab-coefficient-pill__label{color:#4a4f5b;letter-spacing:.02em;font-size:12px;font-weight:600}.bs-slab-coefficient-pill--cantilever .bs-slab-coefficient-pill__label{color:#8a8676;font-style:italic}.bs-slab-coefficient-pill__field{background:#fdfcf6;border:1px solid #14181f1f;border-radius:7px;align-items:center;gap:5px;padding:5px 10px;display:inline-flex}.bs-slab-coefficient-pill__field:focus-within{background:#fff;border-color:#8a8676}.bs-slab-coefficient-pill__input{font:inherit;text-align:right;color:#1f2430;background:0 0;border:0;outline:0;width:70px;font-size:14.5px}.bs-slab-coefficient-pill__input[readonly]{color:#4a4f5b;cursor:default}.bs-slab-coefficient-pill__span-info{color:#8a8676;font-size:11.5px}.bs-slab-coefficients__hint{color:#6e561a;background:#fdf6dd;border:1px solid #e8d8a4;border-radius:8px;padding:8px 12px;font-size:13.5px;line-height:1.5}.bs-slab-coefficients__error-banner{color:#8a3a3a;background:#8a3a3a12;border:1px solid #8a3a3a4d;border-radius:8px;padding:8px 12px;font-size:13.5px;line-height:1.5}.bs-slab-coefficients__actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.bs-slab-step-nav{background:#fff;border:1px solid #0f172a14;border-radius:14px;justify-content:space-between;align-items:center;gap:12px;margin:22px 0;padding:14px 18px;display:flex;box-shadow:0 1px 2px #0f172a08,0 8px 24px -16px #0f172a1a}.bs-slab-step-nav__slot{align-items:center;gap:8px;min-width:0;display:flex}.bs-slab-step-nav__slot--start{justify-content:flex-start}.bs-slab-step-nav__slot--end{justify-content:flex-end}.bs-slab-step-nav__position{color:#6b7280;letter-spacing:.04em;white-space:nowrap;font-size:13px;font-weight:600}.bs-slab-step-nav__btn{appearance:none;font:inherit;color:#1f2430;cursor:pointer;background:#fff;border:1px solid #0f172a26;border-radius:8px;align-items:center;gap:8px;padding:8px 16px;font-family:inherit;font-size:14px;font-weight:600;transition:background .14s,border-color .14s,color .14s;display:inline-flex}.bs-slab-step-nav__btn:hover{background:#f8fafc;border-color:#0f172a4d}.bs-slab-step-nav__btn:focus-visible{outline-offset:2px;outline:2px solid #38bdf8}.bs-slab-step-nav__btn--primary{color:#fff;background:#0a0c12;border:1px solid #0a0c12;border-radius:9px;padding:9px 18px;font-weight:700}.bs-slab-step-nav__btn--primary:hover{color:#fff;background:#1f2430;border-color:#1f2430}.bs-slab-step-nav__btn:disabled{opacity:.55;cursor:not-allowed;color:#9ca3af;background:#f3f4f6;border-color:#0f172a1a}.bs-slab-step-nav__btn--primary:disabled{color:#6b7280;box-shadow:none;background:#d1d5db;border-color:#d1d5db}.bs-slab-step2-empty{text-align:center;color:#6b6a5a;background:#fff;border:1px dashed #d9d2bb;border-radius:12px;padding:28px 20px;font-size:14.5px;line-height:1.6}.bs-slab-step2-cards{flex-direction:column;gap:20px;margin:12px 0 6px;display:flex}.bs-slab-equiv-card{background-color:#fbf9f0;background-image:url(/landing-preview/background.png);background-position:top;background-repeat:no-repeat;background-size:cover;border:1px solid #14181f1a;border-radius:14px;padding:18px 18px 16px;box-shadow:0 1px 2px #14181f0a}.bs-slab-equiv-card--locked{background:#fdfcf6;border-style:dashed;border-color:#d9d2bb}.bs-slab-equiv-card__header{flex-direction:column;gap:10px;margin-bottom:14px;display:flex}.bs-slab-equiv-card__title-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;display:flex}.bs-slab-equiv-card__title{color:#14181f;margin:0;font-size:17px;font-weight:700}.bs-slab-equiv-card__mode-row{align-items:center;gap:10px;display:inline-flex}.bs-slab-equiv-card__mode-label{color:#6b6a5a;letter-spacing:.04em;font-size:12.5px}.bs-slab-equiv-card__locked-note{color:#6b6a5a;margin:0;font-size:13.5px;line-height:1.55}.bs-slab-equiv-card__preview-area{margin:4px 0 14px}.bs-slab-equiv-card__rows{flex-direction:column;gap:12px;display:flex}.bs-slab-equiv-card__actions{flex-wrap:wrap;align-items:center;gap:8px;margin-top:14px;display:flex}.bs-slab-equiv-row-group{background:#fdfcf6;border:1px solid #14181f14;border-radius:10px;padding:10px 12px 12px}.bs-slab-equiv-row-group--ok{background:#10b9810a;border-color:#10b9814d}.bs-slab-equiv-row-group__label{color:#4a4f5b;margin-bottom:6px;font-size:12.5px;font-weight:600}.bs-slab-equiv-row{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.bs-slab-equiv-row__token{color:#14181f;font-family:inherit;font-size:17px;font-weight:700}.bs-slab-equiv-row__op{color:#6b6a5a;padding:0 2px;font-size:16px;font-weight:600}.bs-slab-equiv-row__span-cm{color:#1f2430;background:#fff;border:1px dashed #14181f26;border-radius:6px;padding:4px 10px;font-family:inherit;font-size:15px;font-weight:600}.bs-slab-equiv-row__field{background:#fff;border:1px solid #14181f33;border-radius:6px;padding:2px 6px;transition:border-color .16s,background .16s;display:inline-flex}.bs-slab-equiv-row__field:focus-within{background:#fdfcf6;border-color:#8a8676}.bs-slab-equiv-row__field--ok{background:#10b9810d;border-color:#10b98173}.bs-slab-equiv-row__field--bad{background:#8a3a3a0d;border-color:#8a3a3a8c}.bs-slab-equiv-row__field--derived{background:#f4f1e3;border-style:dashed;border-color:#d9d2bb}.bs-slab-equiv-row__feedback{border-radius:8px;align-items:flex-start;gap:8px;max-width:100%;margin-top:8px;padding:7px 12px;font-size:13.5px;line-height:1.55;display:inline-flex}.bs-slab-equiv-row__feedback-glyph{flex-shrink:0;font-family:inherit;font-weight:700;line-height:1.55}.bs-slab-equiv-row__feedback--success{color:#065f46;background:#10b98114;border:1px solid #10b9814d}.bs-slab-equiv-row__feedback--warning{color:#6e561a;background:#fdf6dd;border:1px solid #e8d8a4}.bs-slab-equiv-row__feedback--error{color:#8a3a3a;background:#8a3a3a12;border:1px solid #8a3a3a52}.bs-slab-step3-locked{text-align:center;color:#4a4f5b;background:#fff;border:1px dashed #d9d2bb;border-radius:12px;padding:28px 24px;font-size:14.5px;line-height:1.7}.bs-slab-step3-toolbar{align-items:center;gap:10px;margin:0 0 16px;display:flex}.bs-slab-step3-toolbar__label{color:#6b6a5a;letter-spacing:.04em;font-size:12.5px}.bs-slab-step3-substeps{flex-direction:column;gap:18px;margin:0 0 18px;display:flex}.bs-slab-step3-actions{flex-wrap:wrap;justify-content:flex-end;gap:8px;margin:18px 0;display:flex}.bs-slab-thickness-substep{background-color:#fbf9f0;background-image:url(/landing-preview/background.png);background-position:top;background-repeat:no-repeat;background-size:cover;border:1px solid #14181f1a;border-radius:12px;padding:18px 18px 16px;box-shadow:0 1px 2px #14181f0a}.bs-slab-thickness-substep__header{align-items:baseline;gap:10px;margin-bottom:8px;display:flex}.bs-slab-thickness-substep__index{color:#6b6a5a;font-family:inherit;font-size:13px;font-weight:700}.bs-slab-thickness-substep__title{color:#14181f;margin:0;font-size:16.5px;font-weight:700}.bs-slab-thickness-substep__explanation{color:#4a4f5b;margin:0 0 12px;font-size:14px;line-height:1.65}.bs-slab-thickness-formula-box{background:#fdfcf6;border:1px solid #14181f1a;border-radius:10px;margin:4px 0;padding:16px 18px}.bs-slab-formula-line{color:#14181f;direction:ltr;flex-wrap:wrap;align-items:center;gap:8px;font-family:inherit;font-size:16px;display:flex}.bs-slab-formula-line--wrap{gap:6px}.bs-slab-formula-line--result{margin-top:12px;font-size:15px}.bs-slab-formula-token{color:#14181f;padding:0 2px}.bs-slab-formula-op{color:#4a4f5b;padding:0 2px;font-weight:600}.bs-slab-formula-constant{background:0 0;padding:1px 6px;font-weight:600}.bs-slab-formula-unit{color:#6b6a5a;font-size:13px;font-family:var(--bs-font-body,system-ui, -apple-system, "Segoe UI", sans-serif);margin-inline-start:4px}.bs-slab-formula-label-strong{color:#14181f;font-weight:700}.bs-slab-formula-cbrt{margin-inline-end:2px;font-size:18px}.bs-slab-fraction{vertical-align:middle;flex-direction:column;justify-content:center;align-items:stretch;margin:0 4px;line-height:1.1;display:inline-flex}.bs-slab-fraction__num,.bs-slab-fraction__den{text-align:center;justify-content:center;align-items:center;gap:4px;padding:2px 8px;display:flex}.bs-slab-fraction__num{padding-bottom:4px}.bs-slab-fraction__den{padding-top:4px}.bs-slab-fraction__bar{background:#1f2430;border-radius:1px;width:100%;height:1.5px;display:block}.bs-slab-inline-input{background:#fff;border:1.5px solid #1f2430;border-radius:6px;align-items:center;gap:4px;min-width:70px;padding:2px 8px;transition:border-color .16s,background .16s,box-shadow .2s;display:inline-flex}.bs-slab-inline-input:focus-within{border-color:#6b6a5a;box-shadow:0 0 0 2px #c7b78a59}.bs-slab-inline-input--readonly{background:#f4f1e3;border:1.5px dashed #d9d2bb}.bs-slab-inline-input--ok{background:#10b9810f;border-color:#10b981a6}.bs-slab-inline-input--bad{background:#8a3a3a0d;border-color:#8a3a3aa6}.bs-slab-inline-input input{font:inherit;text-align:center;color:#1f2430;background:0 0;border:0;outline:0;width:60px;padding:0;font-family:inherit;font-size:15px}.bs-slab-inline-input input[readonly]{color:#4a4f5b;cursor:default}.bs-slab-inline-input__label{color:#6b6a5a;white-space:nowrap;font-size:12.5px;font-weight:700}.bs-slab-inline-value{color:#4a4f5b;background:#fff;border:1px dashed #d9d2bb;border-radius:6px;align-items:center;gap:4px;padding:1px 8px;font-family:inherit;font-size:14.5px;display:inline-flex}.bs-slab-inline-value__label{color:#8a8676;font-size:12px;font-weight:700}.bs-slab-inline-value__num{color:#1f2430;font-weight:600}.bs-slab-thickness-selection-section{flex-direction:column;gap:6px;display:flex}.bs-slab-thickness-result-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.bs-slab-thickness-result-row__label{color:#14181f;min-width:56px;font-family:inherit;font-size:15px;font-weight:700}.bs-slab-thickness-result-row__unit{color:#6b6a5a;font-size:13px}.bs-slab-thickness-field{background:#fff;border:1px solid #14181f33;border-radius:7px;align-items:center;gap:6px;padding:4px 10px;transition:border-color .16s,background .16s;display:inline-flex}.bs-slab-thickness-field:focus-within{background:#fdfcf6;border-color:#8a8676}.bs-slab-thickness-field__input{font:inherit;text-align:center;color:#1f2430;background:0 0;border:0;outline:0;width:100px;font-family:inherit;font-size:15px}.bs-slab-thickness-field__input[readonly]{color:#4a4f5b;cursor:default}.bs-slab-thickness-field--auto{background:#f4f1e3;border-style:dashed;border-color:#d9d2bb}.bs-slab-thickness-field--bad{background:#8a3a3a0d;border-color:#8a3a3a8c}.bs-slab-thickness-field--ok{background:#10b9810d;border-color:#10b98173}.bs-slab-thickness-inputs-row{background:#fdfcf6;border:1px dashed #d9d2bb;border-radius:10px;flex-wrap:wrap;gap:14px;margin:8px 0 14px;padding:10px 12px;display:flex}.bs-slab-thickness-input-group{flex-direction:column;gap:4px;display:flex}.bs-slab-thickness-input-group__label{color:#4a4f5b;font-size:12px;font-weight:600}.bs-slab-thickness-input-group__unit{color:#6b6a5a;font-size:11.5px}.bs-slab-thickness-picker{flex-direction:column;gap:8px;display:flex}.bs-slab-thickness-picker--double{flex-flow:wrap;align-items:flex-start;gap:18px}.bs-slab-thickness-picker__group{flex-direction:column;gap:6px;min-width:180px;display:flex}.bs-slab-thickness-picker__group-label{color:#6b6a5a;letter-spacing:.04em;margin:0 0 4px;font-size:12.5px;font-weight:700}.bs-slab-thickness-picker__option{cursor:pointer;background:#fdfcf6;border:1px solid #14181f14;border-radius:8px;align-items:center;gap:8px;padding:7px 10px;font-size:14px;transition:border-color .16s,background .16s;display:inline-flex}.bs-slab-thickness-picker__option:hover{background:#fff;border-color:#8a8676}.bs-slab-thickness-picker__option--checked{background:#fff;border-color:#1f2430;box-shadow:inset 0 0 0 1px #1f2430}.bs-slab-thickness-picker__option--disabled{opacity:.55;cursor:not-allowed}.bs-slab-thickness-picker__option input{accent-color:#1f2430}.bs-slab-thickness-picker__chip{letter-spacing:.06em;color:#6b6a5a;background:#f4f1e3;border:1px solid #d9d2bb;border-radius:4px;margin-inline-start:6px;padding:2px 7px;font-size:10.5px;font-weight:700}.bs-slab-thickness-picker__resolved{color:#14181f;background:#10b9810f;border:1px solid #10b9814d;border-radius:8px;width:100%;margin-top:6px;padding:6px 12px;font-family:inherit;font-size:14px;font-weight:700;display:inline-block}.bs-slab-thickness-substep__feedback{border-radius:8px;align-items:flex-start;gap:8px;max-width:100%;margin-top:10px;padding:8px 12px;font-size:13.5px;line-height:1.55;display:inline-flex}.bs-slab-thickness-substep__feedback-glyph{flex-shrink:0;font-family:inherit;font-weight:700}.bs-slab-thickness-substep__feedback--success{color:#065f46;background:#10b98114;border:1px solid #10b9814d}.bs-slab-thickness-substep__feedback--warning{color:#6e561a;background:#fdf6dd;border:1px solid #e8d8a4}.bs-slab-thickness-substep__feedback--error{color:#8a3a3a;background:#8a3a3a12;border:1px solid #8a3a3a52}.bs-slab-equiv-row__input{font:inherit;color:#1f2430;text-align:center;background:0 0;border:0;outline:0;width:64px;font-family:inherit;font-size:15px}.bs-slab-equiv-row__input[readonly]{color:#4a4f5b;cursor:default}.bs-slab-equiv-row__input--result{width:78px}.bs-slab-equiv-row__unit{color:#6b6a5a;margin-inline-start:2px;font-size:13px;font-weight:600}.bs-vx{margin:0 0 18px}.bs-vx__row{justify-content:flex-start;display:flex}.bs-vx__btn{letter-spacing:.3px;color:#4b5563;cursor:pointer;background:#fff;border:1px solid #0f172a1f;border-radius:999px;align-items:center;gap:5px;padding:4px 14px;font-family:inherit;font-size:13.5px;line-height:1.5;transition:color .14s,border-color .14s,background .14s;display:inline-flex}.bs-vx__btn:hover{color:#1f2430;background:#f8fafc;border-color:#0f172a47}.bs-vx__btn[aria-expanded=true]{color:#fff;background:#0a0c12;border-color:#0a0c12}.bs-vx__chev{font-size:9px}.bs-vx__box{background:#fff;border:1px solid #0f172a14;border-radius:14px;margin:12px 0 0;padding:22px 24px 20px;box-shadow:0 1px 2px #0f172a08,0 8px 24px -16px #0f172a1a}.bs-vx__p{color:#4b5563;margin:0 0 10px;font-size:14px;line-height:1.7}.bs-vx__p:last-child{margin-bottom:0}.bs-vx__player{box-sizing:border-box;width:100%;max-width:none;min-height:58px;box-shadow:none;background:0 0;border:0;border-bottom:1px solid #0f172a14;border-radius:0;align-items:center;gap:14px;margin:0 0 16px;padding:0 0 16px;transition:none;display:flex}.bs-vx__player.is-active{box-shadow:none;border-color:#0f172a14}.bs-vx__avatar{color:#9a8f7d;background:linear-gradient(135deg,#f2efe8,#e4ded2);border:1px solid #10182812;border-radius:50%;flex:none;justify-content:center;align-items:center;width:42px;height:42px;display:inline-flex;overflow:hidden}.bs-vx__avatar img{object-fit:cover;object-position:center;width:100%;height:100%;display:block}.bs-vx__play{color:#fff;cursor:pointer;touch-action:manipulation;background:#1d4ed8;border:none;border-radius:50%;flex:none;justify-content:center;align-items:center;width:42px;height:42px;transition:background .14s,transform 80ms;display:inline-flex;box-shadow:0 1px 2px #1018282e}.bs-vx__play:hover{background:#1e40af}.bs-vx__play:active{transform:scale(.93)}.bs-vx__main{flex-direction:column;flex:auto;gap:6px;min-width:0;display:flex}.bs-vx__wave{-webkit-user-select:none;user-select:none;align-items:center;gap:3px;height:20px;display:flex;overflow:hidden}.bs-vx__bar{background:#dcd9d0;border-radius:2px;flex:1 1 0;min-width:2px;max-width:4px;transition:background .12s}.bs-vx__bar.is-filled{background:#1d4ed8}.bs-vx__times{color:#6f6a5e;font-variant-numeric:tabular-nums;justify-content:space-between;font-size:11px;display:flex}.bs-vx-inline__btn{color:#94a3b8;cursor:pointer;width:16px;height:16px;font-size:10px;line-height:1;font-family:var(--bs-font-body);background:0 0;border:1px solid #0f172a2e;border-radius:50%;flex:none;justify-content:center;align-items:center;margin-inline-start:6px;padding:0;transition:color .12s,border-color .12s;display:inline-flex}.bs-slab-workspace-card{color:#f8fafc;background:#0a0c12;border:1px solid #ffffff0f;border-radius:18px;flex-direction:column;gap:36px;margin:0 0 22px;padding:36px 36px 32px;display:flex;box-shadow:0 1px 2px #0f172a0a,0 24px 60px -20px #0f172a59}@media (width<=640px){.bs-slab-workspace-card{border-radius:14px;gap:28px;padding:28px 22px 24px}}.bs-slab-workspace-card>*+*{border-top:1px solid #ffffff14;padding-top:36px}.bs-slab-workspace-card .bs-slab-section{margin:0}.bs-slab-workspace-card .bs-slab-section__title{font-family:var(--bs-font-heading);color:#fff;text-align:center;letter-spacing:.2px;margin:0 0 20px;font-size:24px;font-weight:700}.bs-slab-workspace-card .bs-vx{margin:0}.bs-slab-workspace-card .bs-vx__btn{color:#cbd5e1;background:0 0;border-color:#ffffff2e}.bs-slab-workspace-card .bs-vx__btn:hover{color:#fff;background:#ffffff0a;border-color:#ffffff4d}.bs-slab-workspace-card .bs-vx__btn[aria-expanded=true]{color:#0a0c12;background:#fff;border-color:#fff}.bs-slab-workspace-card .bs-vx__box{box-shadow:none;background:0 0;border:0;margin:14px 0 0;padding:16px 0 0}.bs-slab-workspace-card .bs-vx__p{color:#cbd5e1}.bs-slab-workspace-card .bs-vx__player{border-bottom-color:#ffffff14}.bs-slab-workspace-card .bs-vx__times{color:#94a3b8}.bs-slab-workspace-card .bs-slab-upload{box-shadow:none;background:#ffffff05;border:1px dashed #ffffff2e;border-radius:14px;padding:36px 24px}.bs-slab-workspace-card .bs-slab-upload--empty{background:#ffffff05;border-style:dashed;border-color:#ffffff2e}.bs-slab-workspace-card .bs-slab-upload--empty:hover{box-shadow:none;background:#ffffff0d;border-color:#ffffff52}.bs-slab-workspace-card .bs-slab-upload__icon{color:#cbd5e1;background:#ffffff14;border:1px solid #ffffff1f}.bs-slab-workspace-card .bs-slab-upload__title{color:#fff}.bs-slab-workspace-card .bs-slab-upload__hint{color:#94a3b8}.bs-slab-workspace-card .bs-slab-upload__image{border-color:#ffffff1a}.bs-slab-workspace-card .bs-slab-btn--ghost{color:#f8fafc;background:#ffffff14;border-color:#ffffff2e}.bs-slab-workspace-card .bs-slab-btn--ghost:hover{color:#fff;background:#ffffff26;border-color:#ffffff4d}.bs-slab-workspace-card .bs-slab-btn--danger{color:#fca5a5;background:#dc26261a;border-color:#dc262659}.bs-slab-workspace-card .bs-slab-btn--danger:hover{color:#fff;background:#dc26262e;border-color:#dc262680}.bs-slab-workspace-card .bs-pd-grid{box-shadow:none;background:0 0;border:0;gap:22px 28px;padding:0}.bs-slab-workspace-card .bs-pd-label{color:#f8fafc}.bs-slab-workspace-card .bs-pd-label__unit{color:#94a3b8}.bs-slab-workspace-card .bs-pd-input,.bs-slab-workspace-card .bs-pd-textarea{color:#f8fafc;background:#ffffff0a;border-color:#ffffff24}.bs-slab-workspace-card .bs-pd-input::placeholder,.bs-slab-workspace-card .bs-pd-textarea::placeholder{color:#64748b}.bs-slab-workspace-card .bs-pd-input:focus,.bs-slab-workspace-card .bs-pd-textarea:focus{background:#ffffff0f;border-color:#fff6;box-shadow:0 0 0 3px #ffffff14}.bs-slab-workspace-card .bs-pd-chip{color:#f8fafc;background:#ffffff0a;border-color:#ffffff29}.bs-slab-workspace-card .bs-pd-chip:hover{color:#fff;background:#ffffff1a;border-color:#ffffff52}.bs-slab-workspace-card .bs-pd-chip--active{color:#0a0c12;background:#fff;border-color:#fff}.bs-slab-workspace-card .bs-pd-chip--active:hover{color:#0a0c12;background:#f8fafc;border-color:#f8fafc}.bs-slab-workspace-card .bs-pd-hint{color:#94a3b8;text-align:center;margin-top:22px}.bs-slab-workspace-card .bs-slab-schemes-list{gap:0;margin:0}.bs-slab-workspace-card .bs-slab-schemes-list>*+*{border-top:1px solid #ffffff14;margin-top:28px;padding-top:28px}.bs-slab-workspace-card .bs-slab-schemes-empty{color:#cbd5e1;background:#ffffff05;border:1px dashed #ffffff29;border-radius:12px}.bs-slab-workspace-card .bs-slab-schemes-add{margin-top:28px}.bs-slab-workspace-card .bs-slab-card{box-shadow:none;background:0 0;border:0;border-radius:0;padding:0}.bs-slab-workspace-card .bs-slab-card__header{margin-bottom:16px}.bs-slab-workspace-card .bs-slab-card__title{font-family:var(--bs-font-heading);color:#fff;letter-spacing:.2px;font-size:22px;font-weight:700}.bs-slab-workspace-card .bs-slab-card__name-label{color:#94a3b8;letter-spacing:.04em}.bs-slab-workspace-card .bs-slab-card__name-input{color:#f8fafc;background:#ffffff0a;border-color:#ffffff24}.bs-slab-workspace-card .bs-slab-card__name-input::placeholder{color:#64748b}.bs-slab-workspace-card .bs-slab-card__name-input:focus{background:#ffffff0f;border-color:#fff6;outline:none;box-shadow:0 0 0 3px #ffffff14}.bs-slab-workspace-card .bs-slab-card__section{border-top:1px solid #ffffff14;margin-top:22px;padding-top:18px}.bs-slab-workspace-card .bs-slab-card__section-title{color:#cbd5e1;letter-spacing:.04em}.bs-slab-workspace-card .bs-slab-card__section-head .bs-slab-card__section-title{margin:0}.bs-slab-workspace-card .bs-slab-card__wizard-chip{color:#cbd5e1;background:#ffffff0d;border-style:solid;border-color:#ffffff29}.bs-slab-workspace-card .bs-slab-wizard-trigger{color:#f8fafc;background:#ffffff0f;border-color:#ffffff2e}.bs-slab-workspace-card .bs-slab-wizard-trigger:hover{background:#ffffff1f;border-color:#ffffff52}.bs-slab-workspace-card .bs-slab-card__footer{border-top:1px solid #ffffff14}.bs-slab-workspace-card .bs-slab-chip{color:#e2e8f0;background:#ffffff0a;border-color:#ffffff29}.bs-slab-workspace-card .bs-slab-chip:hover{background:#ffffff14;border-color:#ffffff52}.bs-slab-workspace-card .bs-slab-chip--selected{color:#fff;background:#ffffff14;border-color:#ffffff8c;box-shadow:0 0 0 1px #fff3,0 4px 12px -6px #00000059}.bs-slab-workspace-card .bs-slab-chip--selected:hover{background:#ffffff1f}.bs-slab-workspace-card .bs-slab-chip__icon{background:0 0}.bs-slab-workspace-card .bs-slab-chip__icon svg{filter:invert()brightness(1.05)}.bs-slab-workspace-card .bs-slab-chip--matched{border-color:#ffffff73;box-shadow:0 0 0 2px #fff3}.bs-slab-workspace-card .bs-slab-chip__matched-badge{color:#0a0c12;background:#ffffffd9}.bs-slab-workspace-card .bs-slab-inline-filter{background:#ffffff05;border-color:#ffffff24}.bs-slab-workspace-card .bs-slab-inline-filter__lead{color:#cbd5e1}.bs-slab-workspace-card .bs-slab-inline-filter__label{color:#94a3b8}.bs-slab-workspace-card .bs-slab-inline-filter__select{color:#f8fafc;background:#ffffff0d;border-color:#ffffff2e}.bs-slab-workspace-card .bs-slab-inline-filter__reset{color:#fca5a5}.bs-slab-workspace-card .bs-slab-inline-filter__reset:hover{background:#dc262614}.bs-slab-workspace-card .bs-slab-preview{background:0 0;border:0;border-radius:0;padding:6px 0 0}.bs-slab-workspace-card .bs-slab-preview__svg{filter:invert()brightness(1.05)}.bs-slab-workspace-card .bs-slab-preview__placeholder{color:#94a3b8}.bs-slab-workspace-card .bs-slab-span-pill{background:#ffffff0a;border-color:#ffffff24}.bs-slab-workspace-card .bs-slab-span-pill__label{color:#cbd5e1}.bs-slab-workspace-card .bs-slab-span-pill__label--cantilever{color:#94a3b8}.bs-slab-workspace-card .bs-slab-span-pill__field{background:#ffffff0f;border-color:#ffffff2e}.bs-slab-workspace-card .bs-slab-span-pill__field:focus-within{border-color:#fff6}.bs-slab-workspace-card .bs-slab-span-pill__input{color:#f8fafc}.bs-slab-workspace-card .bs-slab-span-pill__unit{color:#94a3b8}.bs-slab-workspace-card .bs-slab-span-pill__remove{color:#fca5a5;background:#ffffff1a;border-color:#dc262673}.bs-slab-workspace-card .bs-slab-span-pill__remove:hover{background:#dc262633;border-color:#dc2626b3}.bs-slab-workspace-card .bs-slab-span-pill__add{color:#f8fafc;background:#ffffff05;border-color:#fff3}.bs-slab-workspace-card .bs-slab-span-pill__add:hover{background:#ffffff0f;border-color:#ffffff57}.bs-slab-workspace-card .bs-slab-spans__locked-note{color:#94a3b8}.bs-slab-workspace-card .bs-slab-mode-toggle{background:#ffffff0a;border-color:#ffffff24}.bs-slab-workspace-card .bs-slab-mode-toggle__btn{color:#cbd5e1}.bs-slab-workspace-card .bs-slab-mode-toggle__btn:hover{color:#fff;background:#ffffff0f}.bs-slab-workspace-card .bs-slab-mode-toggle__btn--active{color:#0a0c12;background:#fff}.bs-slab-workspace-card .bs-slab-mode-toggle__btn--active:hover{color:#0a0c12;background:#f8fafc}.bs-slab-workspace-card .bs-slab-stage-shell__mode-label,.bs-slab-workspace-card .bs-slab-equiv-card__mode-label{color:#94a3b8}.bs-slab-workspace-card .bs-slab-stage-shell__title{color:#fff}.bs-slab-workspace-card .bs-slab-stage-shell__index{color:#94a3b8}.bs-slab-workspace-card .bs-slab-stage-locked,.bs-slab-workspace-card .bs-slab-step3-locked,.bs-slab-workspace-card .bs-slab-step2-empty{color:#cbd5e1;background:#ffffff05;border-color:#ffffff29}.bs-slab-workspace-card .bs-slab-stage-locked__title{color:#e2e8f0}.bs-slab-workspace-card .bs-slab-stage-locked__note{color:#94a3b8}.bs-slab-workspace-card .bs-slab-stage-locked__chip{color:#cbd5e1;background:#ffffff0f;border-color:#ffffff29}.bs-slab-workspace-card .bs-slab-coefficient-pill{background:#ffffff0a;border-color:#ffffff24}.bs-slab-workspace-card .bs-slab-coefficient-pill--cantilever{background:#ffffff05}.bs-slab-workspace-card .bs-slab-coefficient-pill__label{color:#cbd5e1}.bs-slab-workspace-card .bs-slab-coefficient-pill__field{background:#ffffff0f;border-color:#ffffff2e}.bs-slab-workspace-card .bs-slab-coefficient-pill__field:focus-within{background:#ffffff1a;border-color:#fff6}.bs-slab-workspace-card .bs-slab-coefficient-pill__input{color:#f8fafc}.bs-slab-workspace-card .bs-slab-coefficient-pill__input[readonly],.bs-slab-workspace-card .bs-slab-coefficient-pill__span-info{color:#94a3b8}.bs-slab-workspace-card .bs-slab-coefficients__hint{color:#fde68a;background:#eab3081a;border-color:#eab3084d}.bs-slab-workspace-card .bs-slab-coefficients__error-banner{color:#fca5a5;background:#dc26261a;border-color:#dc262652}.bs-slab-workspace__sticky-image .bs-slab-upload{box-shadow:none;background:0 0;border:0;border-radius:0;padding:0;transition:none}.bs-slab-workspace__sticky-image .bs-slab-upload:hover{box-shadow:none;background:0 0;border:0}.bs-slab-workspace__sticky-image .bs-slab-upload__image{border:0;border-radius:0}.bs-slab-workspace__sticky-image .bs-slab-upload--empty{background:#ffffff8c;border:1px dashed #0f172a2e;border-radius:14px;padding:48px 28px}.bs-slab-workspace__sticky-image .bs-slab-upload--empty:hover{box-shadow:none;background:#fffc;border-color:#0f172a52}.bs-slab-workspace-card:has(.bs-schemes-group){box-shadow:none;background:0 0;border:0;gap:0;padding:0}.bs-slab-workspace-card:has(.bs-schemes-group)>.bs-slab-section__title{display:none}.bs-slab-workspace-card .bs-schemes-group{color:#f8fafc;background:#0a0c12;border:1px solid #ffffff0f;border-radius:18px;margin:0 0 28px;padding:32px 32px 28px;box-shadow:0 1px 2px #0f172a0a,0 24px 60px -20px #0f172a59}.bs-slab-workspace-card .bs-schemes-group:last-of-type{margin-bottom:0}.bs-slab-workspace-card .bs-schemes-group__header{border-bottom:1px solid #ffffff1a}.bs-slab-workspace-card .bs-schemes-group__title{font-family:var(--bs-font-heading);color:#fff;letter-spacing:.2px;font-size:19px;font-weight:700}.bs-slab-workspace-card .bs-schemes-group__chip{color:#f8fafc;background:#ffffff1a;border-color:#ffffff2e}.bs-slab-workspace-card .bs-schemes-group__chip--beam{color:#fca5a5;background:#f8717124;border-color:#f8717166}.bs-slab-workspace-card .bs-schemes-group__empty{color:#cbd5e1;background:#ffffff05;border:1px dashed #ffffff2e}.bs-slab-workspace-card .bs-slab-card__section--placement{border-radius:12px;background:#ffffff0a!important;border:1px solid #ffffff1a!important}.bs-slab-workspace-card .bs-slab-card__section--placement>header>span:first-child{color:#fff!important}.bs-slab-workspace-card .bs-slab-card__section--placement>header>span:first-child>span{color:#94a3b8!important}.bs-slab-workspace-card .bs-slab-card__section--placement>p,.bs-slab-workspace-card .bs-slab-card__section--placement ul li,.bs-slab-workspace-card .bs-slab-card__section--placement ul li *{color:#cbd5e1!important}.bs-slab-workspace-card .bs-slab-equiv-card{box-shadow:none;background-color:#ffffff08;background-image:none;border:1px solid #ffffff14;border-radius:14px}.bs-slab-workspace-card .bs-slab-equiv-card--locked{background:#ffffff05;border-style:dashed;border-color:#ffffff24}.bs-slab-workspace-card .bs-slab-equiv-card__title{font-family:var(--bs-font-heading);color:#fff;letter-spacing:.2px}.bs-slab-workspace-card .bs-slab-equiv-card__locked-note{color:#cbd5e1}.bs-slab-workspace-card .bs-slab-stage-status-chip--pending{color:#cbd5e1;background:#ffffff14;border-color:#ffffff2e}.bs-slab-workspace-card .bs-slab-stage-status-chip--in-progress{color:#fde68a;background:#eab30824;border-color:#eab30866}.bs-slab-workspace-card .bs-slab-stage-status-chip--validated{color:#6ee7b7;background:#10b98129;border-color:#10b98166}.bs-slab-workspace-card .bs-slab-stage-status-chip--auto-filled{color:#fcd34d;background:#f59e0b29;border-color:#f59e0b66}.bs-slab-workspace-card .bs-slab-stage-status-chip--error{color:#fca5a5;background:#f8717124;border-color:#f8717166}.bs-slab-workspace-card .bs-slab-equiv-row-group{background:#ffffff0a;border:1px solid #ffffff14}.bs-slab-workspace-card .bs-slab-equiv-row-group--ok{background:#10b98114;border-color:#10b98152}.bs-slab-workspace-card .bs-slab-equiv-row-group__label{color:#cbd5e1}.bs-slab-workspace-card .bs-slab-equiv-row__token{color:#fff}.bs-slab-workspace-card .bs-slab-equiv-row__op{color:#94a3b8}.bs-slab-workspace-card .bs-slab-equiv-row__span-cm{color:#f8fafc;background:#ffffff0f;border-color:#ffffff2e}.bs-slab-workspace-card .bs-slab-equiv-row__field{background:#ffffff0f;border-color:#ffffff38}.bs-slab-workspace-card .bs-slab-equiv-row__field:focus-within{background:#ffffff1a;border-color:#ffffff80}.bs-slab-workspace-card .bs-slab-equiv-row__field--ok{background:#10b9811a;border-color:#10b98173}.bs-slab-workspace-card .bs-slab-equiv-row__field--bad{background:#f871711a;border-color:#f8717180}.bs-slab-workspace-card .bs-slab-equiv-row__field--derived{background:#ffffff08;border-style:dashed;border-color:#ffffff24}.bs-slab-workspace-card .bs-slab-equiv-row__input{color:#f8fafc}.bs-slab-workspace-card .bs-slab-equiv-row__input[readonly]{color:#cbd5e1}.bs-slab-workspace-card .bs-slab-equiv-row__input::placeholder{color:#64748b}.bs-slab-workspace-card .bs-slab-equiv-row__unit{color:#94a3b8}.bs-slab-workspace-card .bs-slab-equiv-row__feedback--success{color:#6ee7b7;background:#10b9811a;border-color:#10b98159}.bs-slab-workspace-card .bs-slab-equiv-row__feedback--warning{color:#fde68a;background:#eab3081a;border-color:#eab30866}.bs-slab-workspace-card .bs-slab-equiv-row__feedback--error{color:#fca5a5;background:#f871711a;border-color:#f8717166}.bs-slab-equiv-screen__mode-bar{justify-content:center;margin:14px 0 18px;display:flex}.bs-slab-equiv-screen__mode-bar .bs-blind-bar{background:#0a0c12;border:1px solid #ffffff0f;border-radius:999px;margin:0;padding:10px 18px;transition:border-color .16s,background .16s;box-shadow:0 1px 2px #0f172a0a,0 12px 28px -16px #0f172a66}.bs-slab-equiv-screen__mode-bar .bs-blind-bar:hover{border-color:#ffffff24}.bs-slab-equiv-screen__mode-bar .bs-blind-toggle-label{color:#f8fafc;font-family:var(--bs-font-body)}.bs-slab-equiv-screen__mode-bar .bs-blind-toggle-track{background:#ffffff2e}.bs-slab-equiv-screen__section-title{font-family:var(--bs-font-heading);color:#fff;letter-spacing:.2px;border-bottom:1px solid #ffffff1a;margin:18px 0 10px;padding-bottom:6px;font-size:18px;font-weight:700}.bs-slab-step3-screen__wide{width:min(100vw - 56px,1320px);margin-inline:calc(50% + min(100vw - 56px,1320px)/-2)}.bs-slab-step3-screen__mode-bar{justify-content:center;margin:14px 0 18px;display:flex}.bs-slab-equiv-screen__mode-bar .bs-blind-bar,.bs-slab-step3-screen__mode-bar .bs-blind-bar{background:#0a0c12;border:1px solid #ffffff0f;border-radius:999px;margin:0;padding:10px 18px;transition:border-color .16s,background .16s;box-shadow:0 1px 2px #0f172a0a,0 12px 28px -16px #0f172a66}.bs-slab-equiv-screen__mode-bar .bs-blind-bar:hover,.bs-slab-step3-screen__mode-bar .bs-blind-bar:hover{border-color:#ffffff24}.bs-slab-equiv-screen__mode-bar .bs-blind-toggle-label,.bs-slab-step3-screen__mode-bar .bs-blind-toggle-label{color:#f8fafc;font-family:var(--bs-font-body)}.bs-slab-equiv-screen__mode-bar .bs-blind-toggle-track,.bs-slab-step3-screen__mode-bar .bs-blind-toggle-track{background:#ffffff2e}.bs-slab-workspace-card .bs-slab-thickness-substep{box-shadow:none;background-color:#0000;background-image:none;border:0;border-bottom:1px solid #ffffff1a;border-radius:0;padding:22px 0 24px}.bs-slab-workspace-card .bs-slab-thickness-substep:first-child{padding-top:6px}.bs-slab-workspace-card .bs-slab-thickness-substep:last-child{border-bottom:0;padding-bottom:6px}.bs-slab-workspace-card .bs-slab-step3-substeps{gap:0}@media (width>=1000px){.bs-slab-workspace-card .bs-slab-step3-substeps{grid-template-columns:1fr 1fr;gap:0;display:grid}.bs-slab-workspace-card .bs-slab-step3-substeps>.bs-slab-thickness-substep{min-width:0;padding:22px 24px 24px}.bs-slab-workspace-card .bs-slab-step3-substeps>.bs-slab-thickness-substep:nth-child(odd){border-left:1px solid #ffffff1a}.bs-slab-workspace-card .bs-slab-step3-substeps>.bs-slab-thickness-substep:first-child,.bs-slab-workspace-card .bs-slab-step3-substeps>.bs-slab-thickness-substep:nth-child(2){padding-top:6px}.bs-slab-workspace-card .bs-slab-step3-substeps>.bs-slab-thickness-substep:last-child,.bs-slab-workspace-card .bs-slab-step3-substeps>.bs-slab-thickness-substep:nth-last-child(2):nth-child(odd){border-bottom:0;padding-bottom:6px}}.bs-slab-workspace-card .bs-slab-thickness-substep__index{color:#94a3b8}.bs-slab-workspace-card .bs-slab-thickness-substep__title{font-family:var(--bs-font-heading);color:#fff;letter-spacing:.2px}.bs-slab-workspace-card .bs-slab-thickness-substep__explanation{color:#cbd5e1}.bs-slab-workspace-card .bs-slab-thickness-substep__from-problem{color:#6ee7b7;background:#10b9811a;border:1px solid #10b98152}.bs-slab-workspace-card .bs-slab-thickness-formula-box{background:0 0;border:0;border-radius:0;margin:0;padding:4px 0}.bs-slab-workspace-card .bs-slab-formula-line,.bs-slab-workspace-card .bs-slab-formula-token{color:#f8fafc}.bs-slab-workspace-card .bs-slab-formula-op,.bs-slab-workspace-card .bs-slab-formula-unit{color:#94a3b8}.bs-slab-workspace-card .bs-slab-formula-label-strong{color:#fff}.bs-slab-workspace-card .bs-slab-formula-constant{color:#f8fafc}.bs-slab-workspace-card .bs-slab-fraction__bar{background:#ffffff8c}.bs-slab-workspace-card .bs-slab-inline-input{background:#ffffff0f;border-color:#ffffff4d}.bs-slab-workspace-card .bs-slab-inline-input:focus-within{background:#ffffff1a;border-color:#ffffff8c;box-shadow:0 0 0 2px #ffffff1a}.bs-slab-workspace-card .bs-slab-inline-input--readonly{background:#ffffff08;border-style:dashed;border-color:#ffffff24}.bs-slab-workspace-card .bs-slab-inline-input--ok{background:#10b9811a;border-color:#10b9818c}.bs-slab-workspace-card .bs-slab-inline-input--bad{background:#f871711a;border-color:#f871718c}.bs-slab-workspace-card .bs-slab-inline-input input{color:#f8fafc}.bs-slab-workspace-card .bs-slab-inline-input input[readonly]{color:#cbd5e1}.bs-slab-workspace-card .bs-slab-inline-input__label{color:#94a3b8}.bs-slab-workspace-card .bs-slab-inline-value{color:#cbd5e1;background:#ffffff0a;border-color:#ffffff2e}.bs-slab-workspace-card .bs-slab-inline-value__label{color:#94a3b8}.bs-slab-workspace-card .bs-slab-inline-value__num{color:#f8fafc}.bs-slab-workspace-card .bs-slab-thickness-result-row__label{color:#fff}.bs-slab-workspace-card .bs-slab-thickness-result-row__unit{color:#94a3b8}.bs-slab-workspace-card .bs-slab-thickness-field{background:#ffffff0f;border-color:#ffffff38}.bs-slab-workspace-card .bs-slab-thickness-field:focus-within{background:#ffffff1a;border-color:#ffffff8c}.bs-slab-workspace-card .bs-slab-thickness-field__input{color:#f8fafc}.bs-slab-workspace-card .bs-slab-thickness-field__input[readonly]{color:#cbd5e1}.bs-slab-workspace-card .bs-slab-thickness-field--auto{background:#ffffff08;border-style:dashed;border-color:#ffffff24}.bs-slab-workspace-card .bs-slab-thickness-field--ok{background:#10b9811a;border-color:#10b98173}.bs-slab-workspace-card .bs-slab-thickness-field--bad{background:#f871711a;border-color:#f871718c}.bs-slab-workspace-card .bs-slab-thickness-inputs-row{background:#ffffff0a;border:1px dashed #fff3}.bs-slab-workspace-card .bs-slab-thickness-selection-section{color:#cbd5e1}.bs-slab-workspace-card .bs-slab-thickness-substep__from-problem,.bs-slab-workspace-card .bs-slab-thickness-skip{color:#cbd5e1!important;background:#ffffff0a!important;border:1px dashed #fff3!important}.bs-slab-workspace-card .bs-slab-thickness-substep__feedback-glyph{color:inherit}.bs-slab-workspace-card .bs-slab-thickness-substep__feedback--success{color:#6ee7b7;background:#10b9811a;border-color:#10b98159}.bs-slab-workspace-card .bs-slab-thickness-substep__feedback--warning{color:#fde68a;background:#eab3081a;border-color:#eab30866}.bs-slab-workspace-card .bs-slab-thickness-substep__feedback--error{color:#fca5a5;background:#f871711a;border-color:#f8717166}.bs-slab-workspace-card [style*=\#f4f1e3],.bs-slab-workspace-card [style*=\#f0eddc],.bs-slab-workspace-card [style*=\#fdf6dd],.bs-slab-workspace-card [style*=\#fff5e0],.bs-slab-workspace-card [style*=\#fbf9f0],.bs-slab-workspace-card [style*=\#fdfcf6]{color:#cbd5e1!important;background:#ffffff0a!important;border-color:#fff3!important}.bs-slab-workspace-card [style*="color: #6b6a5a"],.bs-slab-workspace-card [style*="color:#6b6a5a"]{color:#94a3b8!important}.bs-slab-workspace-card .bs-slab-thickness-picker__option{color:#f8fafc;background:#ffffff0a;border-color:#ffffff24}.bs-slab-workspace-card .bs-slab-thickness-picker__option:hover{background:#ffffff14;border-color:#ffffff47}.bs-slab-workspace-card .bs-slab-thickness-picker__option--checked{color:#fff;background:#ffffff1a;border-color:#ffffff8c;box-shadow:inset 0 0 0 1px #ffffff8c}.bs-slab-workspace-card .bs-slab-thickness-picker__option--disabled{opacity:.45}.bs-slab-workspace-card .bs-slab-thickness-picker__option input{accent-color:#10b981}.bs-slab-workspace-card .bs-slab-thickness-picker__group-label{color:#94a3b8}.bs-slab-workspace-card .bs-slab-thickness-picker__chip{color:#cbd5e1;background:#ffffff1a;border-color:#fff3}.bs-slab-workspace-card .bs-slab-thickness-picker__resolved{color:#6ee7b7;background:#10b9811a;border-color:#10b98159}.bs-slab-workspace-card section[aria-label="בדיקת עובי מול הנתון בתרגיל"]{color:#d1fae5!important;background:#10b9811a!important;border-color:#10b98159!important}.bs-slab-workspace-card section[aria-label="בדיקת עובי מול הנתון בתרגיל"][role=alert]{color:#fde68a!important;background:#eab3081a!important;border-color:#eab30866!important}.bs-slab-workspace-card section[aria-label="בדיקת עובי מול הנתון בתרגיל"]>div:first-child{color:#fff!important}.bs-slab-workspace-card section[aria-label="בדיקת עובי מול הנתון בתרגיל"] strong{color:#fff}.bs-slab-workspace-card section[aria-label="בדיקת עובי מול הנתון בתרגיל"] strong[style*=background]{color:#fff!important;background:#ffffff24!important}.bs-slab-dm-scheme{color:#f8fafc;background:#0a0c12;border:1px solid #ffffff0f;border-radius:20px;flex-direction:column;gap:26px;margin:0 0 28px;padding:30px 32px 34px;display:flex;box-shadow:0 1px 2px #0f172a0a,0 28px 68px -22px #0f172a59}@media (width<=720px){.bs-slab-dm-scheme{border-radius:16px;gap:22px;padding:24px 18px 26px}}.bs-slab-dm-scheme--locked{border-color:#6ee7b74d}.bs-slab-dm-scheme__header{border-bottom:1px solid #ffffff14;justify-content:space-between;align-items:flex-start;gap:18px;padding-bottom:20px;display:flex}.bs-slab-dm-scheme__eyebrow{color:#94a3b8;letter-spacing:.14em;margin-bottom:4px;font-size:12px;font-weight:600}.bs-slab-dm-scheme__title{font-family:var(--bs-font-heading);color:#fff;margin:0;font-size:26px;font-weight:700;line-height:1.15}.bs-slab-dm-scheme__status{color:#94a3b8;white-space:nowrap;background:#94a3b81a;border:1px solid #94a3b833;border-radius:999px;align-self:flex-start;padding:6px 14px;font-size:12px;font-weight:600}.bs-slab-dm-scheme__status--locked{color:#6ee7b7;background:#6ee7b71a;border-color:#6ee7b759}.bs-slab-dm-scheme__actions{border-top:1px solid #ffffff14;justify-content:flex-end;gap:12px;padding-top:10px;display:flex}.bs-slab-dm-scheme .bs-slab-btn--ghost{color:#f1f5f9;background:0 0;border:1px solid #fff3}.bs-slab-dm-scheme .bs-slab-btn--ghost:hover{background:#ffffff0f;border-color:#ffffff59}.bs-slab-dm-move{flex-direction:column;gap:14px;padding-top:12px;display:flex}.bs-slab-dm-move+.bs-slab-dm-move{border-top:1px solid #ffffff0f;margin-top:8px;padding-top:42px}.bs-slab-dm-move__header{align-items:baseline;gap:14px;padding:0 4px 6px;display:flex}.bs-slab-dm-move__eyebrow{color:#94a3b8;letter-spacing:.1em;text-transform:uppercase;font-family:inherit;font-size:13.5px;font-weight:700}.bs-slab-dm-move__title{font-family:var(--bs-font-heading);color:#f1f5f9;letter-spacing:.01em;margin:0;font-size:22px;font-weight:700}.bs-slab-dm-move__toggle{color:#cbd5e1;cursor:pointer;white-space:nowrap;background:0 0;border:1px solid #94a3b84d;border-radius:999px;margin-inline-start:auto;padding:5px 14px;font-family:inherit;font-size:12px;transition:background .12s,border-color .12s,color .12s}.bs-slab-dm-move__toggle:hover{color:#f1f5f9;background:#ffffff0a;border-color:#94a3b899}.bs-slab-dm-move__toggle:focus-visible{outline-offset:2px;outline:2px solid #6ee7b7}.bs-slab-dm-move__canvas{width:100%;padding:20px 0 8px}.bs-slab-dm-move__canvas .bs-slab-scheme-svg{width:100%;height:auto;display:block}.bs-slab-dm-move__header .bs-vx__btn{color:#cbd5e1;background:#ffffff0f;border-color:#ffffff24}.bs-slab-dm-move__header .bs-vx__btn:hover{color:#fff;background:#ffffff1a}.bs-slab-dm-move .bs-slab-formula-line,.bs-slab-dm-move .bs-slab-formula-token,.bs-slab-dm-move .bs-slab-formula-constant{color:#cbd5e1}.bs-slab-dm-scheme .bs-slab-inline-input{background:0 0;border:none;padding:0}.bs-slab-dm-scheme .bs-slab-inline-input input{color:#f1f5f9;background:#ffffff0f;border:1px solid #cbd5e14d;border-radius:4px;outline:none;padding:3px 8px;transition:border-color .12s,background .12s}.bs-slab-dm-scheme .bs-slab-inline-input input:focus{background:#ffffff1a;border-color:#6ee7b78c}.bs-slab-dm-scheme .bs-slab-inline-input input::placeholder{color:#94a3b8bf}.bs-slab-dm-scheme .bs-slab-inline-input--readonly input{background:#ffffff08;border-style:dashed}.bs-slab-dm-scheme .bs-slab-inline-input--ok input{color:#6ee7b7;border-color:#6ee7b78c}.bs-slab-dm-scheme .bs-slab-inline-input--bad input{color:#fca5a5;background:#dc26261a;border-color:#f87171a6}.bs-slab-dm-scheme .bs-slab-formula-unit{color:#94a3b8;margin-inline-start:4px}.bs-slab-dm-move .bs-slab-thickness-substep__feedback{color:#cbd5e1;background:0 0;border:none;padding:6px 4px 0;font-size:12.5px}.bs-slab-dm-move .bs-slab-thickness-substep__feedback--success{color:#6ee7b7}.bs-slab-dm-move .bs-slab-thickness-substep__feedback--error{color:#fca5a5}.bs-slab-dm-move .bs-slab-thickness-substep__feedback--warning{color:#fcd34d}.bs-slab-dm-move .bs-slab-thickness-substep__feedback-glyph{color:currentColor;background:#ffffff0f;border:1px solid}.bs-slab-dm-move .bs-slab-inline-input--readonly.bs-slab-inline-input--ok input{background:#6ee7b71a}.bs-slab-rf-scheme{color:#f1f5f9;direction:rtl;border-radius:18px;flex-direction:column;gap:20px;padding:26px 22px 28px;display:flex}@media (width>=900px){.bs-slab-rf-scheme{border-radius:20px;gap:24px;padding:28px 26px 30px}}.bs-slab-rf-section{flex-direction:column;gap:16px;display:flex}.bs-slab-rf-section+.bs-slab-rf-section{border-top:1px dashed #ffffff14;margin-top:12px;padding-top:20px}.bs-slab-rf-feedback{background:#ffffff05;border:1px solid #ffffff0f;border-radius:8px;padding:6px 10px;display:block}.bs-slab-rf-feedback--success{color:#6ee7b7;background:#6ee7b714;border-color:#6ee7b740}.bs-slab-rf-feedback--error{color:#fca5a5;background:#dc26261a;border-color:#f8717159}.bs-slab-rf-feedback--warning{color:#fcd34d;background:#fbbf2414;border-color:#fbbf244d}.bs-slab-rf-slot-input::placeholder,.bs-slab-rf-result-input::placeholder{color:#94a3b8bf}.bs-slab-rf-result-input::placeholder{color:#6ee7b7;opacity:.9;font-style:italic}.bs-slab-rf-slot-input:focus,.bs-slab-rf-result-input:focus{color:#f1f5f9}.bs-slab-rf-select{appearance:none;background-image:linear-gradient(45deg,#0000 50%,#cbd5e1 50%),linear-gradient(135deg,#cbd5e1 50%,#0000 50%);background-position:calc(100% - 10px),calc(100% - 5px);background-repeat:no-repeat;background-size:5px 5px,5px 5px}.bs-slab-rf-select:focus{outline:none}.bs-slab-rf-section-header{font-family:var(--bs-font-heading,inherit)}.bs-slab-rf-card{transition:border-color .15s,background .15s}.bs-slab-rf-card:hover{border-color:#ffffff24}.bs-slab-rf-card--collapsed{cursor:default}.bs-nbselect{font-family:var(--bs-font-body);display:inline-block;position:relative}.bs-nbselect-btn{min-width:140px;font-family:var(--bs-font-body);color:#1f2430;cursor:pointer;background:#fffdf6;border:1px solid #d6cfb0;border-radius:6px;justify-content:space-between;align-items:center;gap:8px;padding:5px 12px;font-size:15.5px;font-weight:500;transition:border-color .16s,background .16s;display:inline-flex}.bs-nbselect-btn:hover:not(:disabled){border-color:#8a8676}.bs-nbselect-btn:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bs-nbselect-btn:disabled{color:#94928a;cursor:not-allowed;background:#c7b78a14}.bs-nbselect-label{text-align:start;white-space:nowrap;text-overflow:ellipsis;flex:auto;overflow:hidden}.bs-nbselect-arrow{color:#6b5d3e;flex:none;font-size:14px;transition:transform .16s}.bs-nbselect--open .bs-nbselect-arrow{transform:rotate(180deg)}.bs-nbselect-list{top:calc(100% + 4px);z-index:50;background:#fff;border:1px solid #d6cfb0;border-radius:8px;min-width:100%;max-height:280px;margin:0;padding:4px 0;list-style:none;animation:.14s both bs-nbselect-fade;position:absolute;inset-inline-start:0;overflow-y:auto;box-shadow:0 4px 14px #14181f1a}@keyframes bs-nbselect-fade{0%{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:translateY(0)}}.bs-nbselect-item{text-align:start;width:100%;font-family:var(--bs-font-body);color:#1f2430;cursor:pointer;white-space:nowrap;background:0 0;border:none;padding:8px 14px;font-size:15.5px;font-weight:500;transition:background .1s,color .1s;display:block}.bs-nbselect-item:hover{color:#14181f;background:#c7b78a2e}.bs-nbselect-item--selected{color:#047857;background:#10b9811a;font-weight:600}.bs-nbselect-item--selected:hover{background:#10b9812e}.bs-nbselect-item:focus-visible{outline-offset:-2px;outline:2px solid #c7b78a}.bs-nbselect-group{border-block-start:1px dashed #e3dfce;padding:4px 0;display:block}.bs-nbselect-group:first-child{border-block-start:none}.bs-nbselect-grouplabel{font-family:var(--bs-font-body);color:#6b5d3e;text-transform:none;letter-spacing:.3px;padding:4px 14px 2px;font-size:12.5px;font-weight:700}@media (prefers-reduced-motion:reduce){.bs-nbselect-list{animation:none}.bs-nbselect-arrow,.bs-nbselect-btn,.bs-nbselect-item{transition:none}}.bs-print-doc{color:#111;direction:rtl;background:#fff;font-family:Times New Roman,David,Georgia,serif;font-size:12pt;line-height:1.5;display:none}.bs-print-page{padding:0}.bs-print-doc__hdr{border-bottom:1px solid #444;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:14px;padding-bottom:6px;display:flex}.bs-print-doc__title{letter-spacing:.2px;margin:0;font-size:18pt;font-weight:700}.bs-print-doc__meta{color:#444;white-space:nowrap;font-size:10pt}.bs-print-h2{border-bottom:1px solid #999;margin:14px 0 8px;padding-bottom:4px;font-size:14pt;font-weight:700}.bs-print-h3{color:#222;letter-spacing:.3px;margin:10px 0 4px;font-size:11.5pt;font-weight:700}.bs-print-block{margin:0 0 14px}.bs-print-details{page-break-inside:avoid;break-inside:avoid;background:#fff;border:1px solid #888;border-radius:4px;margin:0 0 14px}.bs-print-details__group{border-bottom:1px solid #d4d4d4;padding:8px 12px}.bs-print-details__group:last-child{border-bottom:none}.bs-print-details__h3{color:#111;letter-spacing:.2px;border-bottom:1px dotted #aaa;margin:0 0 6px;padding-bottom:3px;font-size:11pt;font-weight:700}.bs-print-details__rows{flex-direction:column;gap:3px;display:flex}.bs-print-details__row{grid-template-columns:110px 1fr;align-items:baseline;gap:0 14px;padding:1px 0;font-size:11pt;display:grid}.bs-print-details__label{color:#333;font-weight:600}.bs-print-details__value{color:#111;font-family:Cambria Math,Times New Roman,serif}.bs-print-fig{page-break-inside:avoid;break-inside:avoid;margin:8px 0 12px}.bs-print-fig__cap{margin-bottom:4px;font-size:12pt;font-weight:600}.bs-print-fig__svg{border:1px solid #d0d0d0;padding:4px;background:#fff!important}.bs-print-fig__svg svg{max-width:100%;height:auto;display:block;background:#fff!important}.bs-print-fig__svg svg rect[fill=\#f7f5ed],.bs-print-fig__svg svg rect[fill=\#fffdf6],.bs-print-fig__svg svg rect[fill=\#fff7e8],.bs-print-fig__svg svg rect[fill=\#fffaef]{fill:#fff!important}.bs-print-fig__keypoints{color:#333;margin-top:4px;font-size:11pt}.bs-print-sectmethod{page-break-before:auto;margin-top:14px}.bs-print-sectmethod__title{border-bottom:1px solid #cbd5e1;margin:14px 0 8px;padding-bottom:4px;font-size:12pt;font-weight:700}.bs-print-sectmethod__block{page-break-inside:avoid;break-inside:avoid;background:#fff;border:1px solid #cbd5e1;border-radius:4px;margin:0 0 10px;padding:8px 10px}.bs-print-sectmethod__header{margin-bottom:2px;font-size:11.5pt;font-weight:600}.bs-print-sectmethod__meta{color:#475569;margin-bottom:8px;font-size:10pt}.bs-print-sectmethod__step{background:#f8fafc;border-left:2px solid #94a3b8;margin:6px 0;padding:6px 8px}.bs-print-sectmethod__steph{color:#334155;margin-bottom:2px;font-size:10.5pt;font-weight:600}.bs-print-sectmethod__stepbody{color:#1f2937;font-family:Cambria Math,Georgia,serif;font-size:11pt;line-height:1.45}.bs-print-scan__row--special{background:#f8fafc;border-left:2px solid #94a3b8;border-radius:3px;margin:2px 0;padding:4px 8px}.bs-print-scan__row--special .bs-print-scan__body{color:#475569;font-family:inherit;font-style:italic}.bs-print-calc{page-break-inside:avoid;break-inside:avoid;background:#fafafa;border:1px solid #cbd5e1;border-radius:4px;margin:0 0 12px;padding:8px 10px}.bs-print-calc__title{margin-bottom:4px;font-size:12pt;font-weight:700}.bs-print-calc__formula,.bs-print-calc__sub{color:#222;margin:2px 0;font-family:Cambria Math,Times New Roman,serif;font-size:12pt}.bs-print-calc__result{color:#0f172a;border-top:1px dashed #cbd5e1;margin-top:6px;padding-top:4px;font-weight:600}.bs-print-empty{color:#777;padding:6px 0;font-style:italic}.bs-print-reactions{flex-direction:column;gap:14px;margin:4px 0 8px;display:flex}.bs-print-reactions__eq{page-break-inside:avoid;break-inside:avoid;background:#fafafa;border:1px solid #c4c4c4;border-radius:4px;padding:10px 12px}.bs-print-reactions__h{color:#111;border-bottom:1px solid #bbb;margin:0 0 8px;padding-bottom:4px;font-family:Cambria Math,Times New Roman,serif;font-size:13pt;font-weight:700}.bs-print-reactions__sub{color:#1a1a1a;margin:2px 0;padding:2px 6px;font-family:ui-monospace,JetBrains Mono,Consolas,monospace;font-size:12pt;line-height:1.7}.bs-print-reactions__res{color:#000;border-top:1px dashed #bbb;margin-top:8px;padding:6px 10px;font-family:ui-monospace,JetBrains Mono,Consolas,monospace;font-size:12pt;font-weight:700}.bs-print-scan{flex-direction:column;margin:4px 0 8px;display:flex}.bs-print-scan__row{border-bottom:1px dotted #c4c4c4;align-items:baseline;gap:12px;padding:7px 6px;font-family:ui-monospace,JetBrains Mono,Consolas,monospace;font-size:12.5pt;line-height:1.5;display:flex}.bs-print-scan__row:last-child{border-bottom:none}.bs-print-scan__label{color:#111;flex:none;min-width:38px;font-weight:700}.bs-print-scan__body{text-align:left;color:#1a1a1a;flex:1}.bs-print-scan__result{text-align:left;color:#000;flex:none;min-width:90px;font-weight:700}.bs-print-scan__z{page-break-inside:avoid;break-inside:avoid;border:1px solid #555;border-radius:4px;flex-wrap:wrap;align-items:baseline;gap:18px;margin-top:14px;padding:10px 14px;font-family:ui-monospace,JetBrains Mono,Consolas,monospace;font-size:12pt;display:flex}.bs-print-scan__zlabel{color:#fff;background:#111;border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;font-weight:700;display:inline-flex}.bs-print-scan__zhint{color:#555;flex-basis:100%;margin-top:4px;font-family:Times New Roman,David,Georgia,serif;font-size:10pt}.bs-print-scan__extrema{page-break-inside:avoid;break-inside:avoid;border:1px solid #555;border-radius:4px;margin-top:14px;padding:10px 14px;font-size:12pt;line-height:1.7}.bs-print-scan__extrLabel{font-family:ui-monospace,JetBrains Mono,monospace;font-weight:700}@media print{@page{size:A4 portrait;margin:12mm 14mm}html,body{color:#000!important;background:#fff!important}body *{visibility:hidden!important}.bs-print-doc,.bs-print-doc *{visibility:visible!important}.bs-print-doc{background:#fff;width:100%;position:absolute;inset:0;display:block!important}.bs-print-page{page-break-after:always;break-after:page}.bs-print-page:last-of-type{page-break-after:auto;break-after:auto}a[href]:after{content:""!important}.bs-print-doc svg,.bs-print-doc svg *{-webkit-print-color-adjust:exact!important;print-color-adjust:exact!important}.bs-print-doc svg .cad-line{stroke-dasharray:none!important;stroke-dashoffset:0!important;animation:none!important}.bs-print-doc .bs-print-fig__svg--invert,.bs-print-doc .bs-print-fig__svg--invert svg{background:#fff!important}.bs-print-doc .bs-print-fig__svg--invert svg [stroke]:not([stroke=none]){stroke:#000!important}.bs-print-doc .bs-print-fig__svg--invert svg [fill]:not([fill=none]),.bs-print-doc .bs-print-fig__svg--invert svg text,.bs-print-doc .bs-print-fig__svg--invert svg tspan{fill:#000!important}}.bs-tt-blank{font-family:var(--bs-font-body);align-items:baseline;gap:4px;margin:0 3px;display:inline-flex}.bs-tt-blank--static{color:inherit}.bs-tt-blank__unit{color:#6b5d3e;margin-inline-start:2px;font-size:.9em}.bs-tt-blank--revealed{color:#047857;background:#10b9810f;border-bottom:1.5px solid #10b98173;border-radius:2px;padding:0 2px;font-weight:600;transition:background .6s,border-color .6s}.bs-tt-blank__input{text-align:center;color:#1f2937;vertical-align:baseline;direction:ltr;background:#fffcf499;border:1.5px dashed #c7b78a;border-radius:6px;width:6.5ch;min-width:64px;margin:0 2px;padding:4px 10px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:1.05em;font-weight:500;transition:border-color .16s,background .16s,color .16s,box-shadow .16s;box-shadow:inset 0 -1px #c7b78a26}.bs-tt-blank__input:focus{background:#fffcf4;border-style:solid;border-color:#8a8676;outline:none;box-shadow:0 0 0 3px #c7b78a2e}.bs-tt-blank__input::placeholder{color:#b8af90;opacity:.8}.bs-tt-blank__input--correct{color:#047857;background:#10b9810f;border:1.5px solid #10b981;font-weight:700}.bs-tt-blank__input--wrong{color:#8a5a1a;background:#b88a4a14;border:1.5px solid #b88a4a}.bs-tt-blank__print-value{display:none}@media (prefers-reduced-motion:reduce){.bs-tt-blank--revealed,.bs-tt-blank__input{transition:none}}.bs-mts-card{color:#2b2630;background:#fbfaf4;border:1px solid #0f172a0f;border-radius:14px;flex-direction:column;gap:18px;margin-top:12px;padding:22px 24px;display:flex}.bs-mts-card__head{text-align:center;flex-direction:column;align-items:center;gap:4px;display:flex}.bs-mts-card__title{color:#4a3680;letter-spacing:.02em;align-items:baseline;gap:2px;font-size:22px;font-weight:700;display:inline-flex}.bs-mts-card__title sub{font-size:.65em;font-weight:700}.bs-mts-card__big{font-size:1.05em}.bs-mts-card__eq{color:#4a3680;margin-inline-start:8px}.bs-mts-card__subtitle{color:#8a7d62;font-size:13px;font-weight:500}.bs-mts-card__note{color:#6b5d3e;background:#c7b78a1f;border-inline-start:3px solid #c7b78a;border-radius:8px;padding:10px 14px;font-size:13.5px;line-height:1.55}.bs-mts-card__builder{background:#fff;border:1px dashed #d8cfb6;border-radius:10px;flex-direction:column;gap:6px;padding:12px 16px;display:flex}.bs-mts-card__builder-label{color:#8a7d62;letter-spacing:.04em;text-align:center;font-size:12px;font-weight:600}.bs-mts-card__builder-eq{text-align:center;color:#2b2630;word-break:normal;overflow-wrap:anywhere;font-family:"ui-monospace, \"JetBrains Mono\", Consolas, monospace";font-size:17px;line-height:1.7}.bs-mts-term{white-space:nowrap;display:inline}.bs-mts-term__sign{color:#8a7d62;padding:0 2px}.bs-mts-term__body{padding:0 1px}.bs-mts-term--pending .bs-mts-term__body{color:#b8af90}.bs-mts-term--current .bs-mts-term__body{color:#4a3680;background:#4a368014;border-radius:4px;padding:2px 4px;font-weight:700}.bs-mts-term--solved .bs-mts-term__body{color:#047857;font-weight:700}.bs-mts-term__eq{color:#4a3680;margin-inline-start:6px;font-weight:700}.bs-mts-step{background:#fffbf3;border:1.5px solid #c7b78a;border-radius:12px;flex-direction:column;gap:12px;padding:18px 20px;display:flex}.bs-mts-step__counter{color:#8a7d62;letter-spacing:.04em;text-align:center;font-size:12px;font-weight:600}.bs-mts-step__header{color:#2b2630;text-align:center;font-size:17px;font-weight:700}.bs-mts-step__prompt{color:#4a4438;text-align:center;font-size:14px;line-height:1.6}.bs-mts-step__inputs{flex-flow:row-reverse wrap;justify-content:center;align-items:center;gap:24px;display:flex}.bs-mts-step__field{color:#2b2630;align-items:center;gap:6px;font-size:16px;display:inline-flex}.bs-mts-step__field-label{color:#4a3680;font-weight:600}.bs-mts-step__given{color:#6b5d3e;background:#c7b78a26;border-radius:8px;padding:8px 14px;font-size:14px;font-style:italic}.bs-mts-step__input{text-align:center;color:#1f2937;direction:ltr;background:#fffcf4cc;border:1.5px dashed #c7b78a;border-radius:8px;width:7ch;min-width:72px;padding:6px 12px;font-family:"ui-monospace, \"JetBrains Mono\", Consolas, monospace";font-size:17px;font-weight:600;transition:border-color .16s,background .16s,box-shadow .16s,color .16s}.bs-mts-step__input::placeholder{color:#b8af90;opacity:.7}.bs-mts-step__input:focus{background:#fff;border-style:solid;border-color:#8a8676;outline:none;box-shadow:0 0 0 3px #c7b78a38}.bs-mts-step__input--correct{color:#047857;background:#10b98114;border:1.5px solid #10b981}.bs-mts-step__input--wrong{color:#8a5a1a;background:#b88a4a1a;border:1.5px solid #b88a4a}.bs-mts-step__unit{color:#6b5d3e;font-size:14px;font-weight:600}.bs-mts-result{text-align:center;background:#10b98114;border:1.5px solid #10b98166;border-radius:12px;flex-direction:column;align-items:center;gap:6px;padding:16px 20px;display:flex}.bs-mts-result__title{color:#047857;letter-spacing:.06em;font-size:12px;font-weight:700}.bs-mts-result__line{color:#047857;font-family:"ui-monospace, \"JetBrains Mono\", Consolas, monospace";font-size:22px;font-weight:800}.bs-mts-result__check{color:#047857;font-size:13px}.bs-mts-card__reset{color:#8a7d62;cursor:pointer;background:0 0;border:1px dashed #c7b78a;border-radius:999px;align-self:center;padding:6px 14px;font-family:inherit;font-size:12px;font-weight:600;transition:background .14s,color .14s,border-color .14s}.bs-mts-card__reset:hover{color:#4a4438;background:#c7b78a1f;border-color:#8a8676}.bs-mts-card--empty{text-align:center;color:#8a7d62}.bs-mts-card__hint{color:#8a7d62;font-size:13.5px}@media (prefers-reduced-motion:reduce){.bs-mts-step__input{transition:none}}.bs-eqs{max-width:460px;margin:16px auto 2px}.bs-eqs--cols{grid-template-columns:1fr 1fr;align-items:start;gap:16px;max-width:none;margin:16px 0 2px;display:grid}@media (width<=640px){.bs-eqs--cols{grid-template-columns:1fr}}.bs-eqs--cols .bs-eq{margin:0}.bs-eq{background:#fbfaf499;border:1px solid #0f172a0b;border-radius:12px;margin:0 0 14px;padding:16px 18px}.bs-eq:last-child{margin-bottom:0}.bs-eq--linkable{cursor:pointer;transition:background .14s,box-shadow .14s}.bs-eq--active{background:#1d4ed80b;box-shadow:inset 0 0 0 1px #1d4ed829}.bs-eq__flow{border-inline-start:2px solid #786e5466;padding-inline-start:22px;position:relative}.bs-eq__node{padding-bottom:15px;position:relative}.bs-eq__node:last-child{padding-bottom:0}.bs-eq__node:before{content:"";inset-inline-start:-27px;background:#c9a86a;border:2px solid #fffef9;border-radius:50%;width:9px;height:9px;position:absolute;top:6px;box-shadow:0 0 0 1px #786e548c}.bs-eq__node--res:before{background:#2f6f43;top:9px;box-shadow:0 0 0 1px #2f6f43}.bs-eq__phase{color:#b3a88a;letter-spacing:.06em;font-size:10px;font-weight:600;font-family:var(--bs-font-body)}.bs-eq__phasehead{flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:4px;display:flex}.bs-vx-inline__btn{color:#94a3b8;cursor:pointer;width:16px;height:16px;font-size:10px;line-height:1;font-family:var(--bs-font-body);background:0 0;border:1px solid #0f172a2e;border-radius:50%;flex:none;justify-content:center;align-items:center;padding:0;transition:color .12s,border-color .12s;display:inline-flex}.bs-vx-inline__btn:hover{color:#475569;border-color:#0f172a52}.bs-vx-inline__btn[aria-expanded=true]{color:#1e3a8a;border-color:#1d4ed866}.bs-vx-inline__box{border:1px solid #e5e7eb;color:#334155;font-size:12px;line-height:1.6;font-family:var(--bs-font-body);background:#fefcf1b3;border-inline-start:2px solid #1d4ed8;border-radius:5px;flex-basis:100%;margin:2px 0;padding:7px 10px}.bs-eq__math{font-family:var(--bs-font-body);color:#334155;letter-spacing:.2px;text-align:right;direction:ltr;font-size:16px;font-weight:400;line-height:1.95}.bs-eq__math sub{font-size:.72em}.bs-eq__var{color:#1d4ed8;font-weight:700}.bs-eq__src{cursor:help;border-bottom:1px dashed #1d4ed873;border-radius:4px;outline:none;padding:0 2px;transition:background .14s;display:inline;position:relative}.bs-eq__src:hover,.bs-eq__src:focus-visible{background:#1d4ed81a}.bs-eq__srctip{z-index:50;color:#334155;width:max-content;max-width:220px;font-family:var(--bs-font-body);letter-spacing:.1px;text-align:center;pointer-events:none;white-space:normal;background:#fff;border-radius:8px;padding:6px 10px;font-size:11.5px;font-weight:400;line-height:1.45;animation:.12s ease-out tlTipIn;position:absolute;top:calc(100% + 6px);right:50%;transform:translate(50%);box-shadow:0 0 0 1px #0f172a12,0 6px 16px -4px #0f172a24}.bs-eq__srctip--above{top:auto;bottom:calc(100% + 6px)}.bs-eq__srctip:after{content:"";transform:translateX(calc(50% + var(--tl-arrow,0px)));border:5px solid #0000;border-bottom-color:#fff;position:absolute;bottom:100%;right:50%}.bs-eq__srctip--above:after{border-top-color:#fff;border-bottom-color:#0000;top:100%;bottom:auto}@keyframes tlTipIn{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){.bs-eq__srctip{animation:none}}.bs-eq__note{color:#8a8676;margin-top:4px;font-size:11.5px}.bs-eq__resline{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.bs-eq__badge{font-family:var(--bs-font-body);color:#1f2430;direction:ltr;background:#fbfaf2;border:1px solid #d9cfae;border-radius:10px;padding:8px 18px;font-size:16.5px;font-weight:700;display:inline-block;box-shadow:0 1px 2px #0f172a0a,0 7px 16px -8px #2f6f433d}.bs-eq__state{font-size:13.5px;font-weight:700}.bs-eq__state--tension{color:#2f6f43}.bs-eq__state--compression{color:#b91c1c}.bs-eq__state--zero{color:#6b7280}.bs-eq__check{color:#2f6f43;font-size:14px;font-weight:700}.bs-eq__axis{justify-content:center;align-items:flex-start;margin-bottom:16px;display:flex;position:relative}.bs-eq__num{inset-inline-start:0;color:#3b4794;width:24px;height:24px;font-size:12.5px;font-weight:700;font-family:var(--bs-font-body);background:#eef1fb;border:1px solid #cdd6f3;border-radius:50%;justify-content:center;align-items:center;display:inline-flex;position:absolute;top:4px}.bs-eq__axiscol{flex-direction:column;align-items:center;gap:3px;display:flex}.bs-eq__title{font-family:var(--bs-font-body);letter-spacing:.5px;color:#1d4ed8;direction:ltr;font-size:22px;font-weight:600;line-height:1.2}.bs-eq__axiscap{color:#9b8f6f;letter-spacing:.03em;font-size:11px}.bs-eq__solves{color:#1d4ed8;opacity:.85}.print-doc{display:none}@media print{@page{size:A4 portrait;margin:15mm}html,body{color:#000!important;background:#fff!important}body *{visibility:hidden!important}.bs-trusslab,.bs-trusslab__pdf-btn{display:none!important}.print-doc,.print-doc *{visibility:visible!important}a[href]:after{content:""!important}.print-doc{color:#000;direction:rtl;background:#fff;font-family:Heebo,Assistant,system-ui,-apple-system,sans-serif;line-height:1.55;display:block!important}.print-doc,.print-doc *{color:#000!important;opacity:1!important;filter:none!important;text-shadow:none!important}.print-page+.print-page{break-before:page;page-break-before:always}.print-header{border-bottom:.4pt solid #000;justify-content:space-between;align-items:baseline;margin-bottom:6mm;padding-bottom:3mm;font-size:9pt;display:flex}.print-h1{text-align:right;letter-spacing:-.3px;margin:0 0 2mm;font-size:22pt;font-weight:800;line-height:1.1}.print-subtitle{text-align:right;margin:0 0 5mm;font-size:11pt}.print-figure{text-align:center;margin:0 0 6mm}.print-figure svg{display:inline-block;width:auto!important;max-width:100%!important;height:auto!important;box-shadow:none!important;background:0 0!important;border:none!important;border-radius:0!important}.print-figure--fbd svg{max-height:115mm!important}.print-figure--fbd svg [fill]:not([fill=none]){fill:#000!important}.print-figure--fbd svg [stroke]:not([stroke=none]){stroke:#000!important}.print-figure--fbd svg text{fill:#000!important;font-size:10pt!important}.print-figure--fbd svg text.fbd-state{fill:#b40000!important;font-size:9pt!important}.print-divider{border:0;border-top:.4pt solid #000;margin:0 0 6mm}.print-calcs{align-items:start;gap:8mm;display:grid}.print-calcs--3col{grid-template-columns:1fr 1fr 1fr}.print-calcs--2col{grid-template-columns:1fr 1fr}.print-eq{text-align:center;break-inside:avoid;page-break-inside:avoid}.print-eq__title{direction:ltr;margin:0 0 1mm;font-size:13pt;font-weight:700}.print-eq__cap{margin:0 0 3mm;font-size:10pt}.print-eq__note{margin:0 0 3mm;font-size:9.5pt}.print-eq__phase{margin:0 0 3mm}.print-eq__phase-label{margin:0 0 1mm;font-size:10pt;font-weight:700}.print-eq__math{direction:ltr;margin:0 0 .6mm;font-family:DejaVu Sans Mono,Consolas,Courier New,monospace;font-size:10pt}.print-eq__result{border-top:.4pt solid #000;margin:3mm 0 0;padding-top:2mm;font-size:11pt}.print-eq__state{font-weight:400;color:#b40000!important}.print-doc .bs-vx-inline__btn,.print-doc .bs-vx-inline__box{display:none!important}}.editable-formula-value{margin:0 2px;display:inline-block;position:relative}.efv-input{min-width:50px;font-family:inherit;font-size:inherit;text-align:center;color:#1f2937;background:0 0;border:none;border-bottom:2px solid #10b981;padding:2px 6px;transition:all .15s}.efv-input:focus{background:#10b9810d;border-bottom-color:#059669;outline:none}.efv-input:disabled{color:#6b7280;cursor:not-allowed;border-bottom-color:#d1d5db}.efv-badge{opacity:.7;border-radius:50%;justify-content:center;align-items:center;width:16px;height:16px;font-size:10px;font-weight:700;transition:opacity .2s;display:flex;position:absolute;top:-8px;right:-8px}.efv-badge-correct{color:#047857;background:#10b98166}.efv-badge-wrong{color:#991b1b;background:#ef444466}.editable-formula-value:hover .efv-badge{opacity:1}.editable-formula-value.feedback-correct .efv-input{border-bottom-color:#10b981;font-weight:500}.editable-formula-value.feedback-wrong .efv-input{border-bottom-color:#ef4444}@media (width<=640px){.efv-input{min-width:40px;padding:2px 4px;font-size:14px}.efv-badge{width:14px;height:14px;font-size:9px}}.bs-udl-sub-line{display:inline}.bs-udl-sub-paren{color:#8a8676;margin:0 1px;font-weight:500}.bs-udl-sub-input{text-align:center;color:#1f2937;vertical-align:baseline;background:#fff;border:1.5px solid #9ca3af;border-radius:4px;width:5.5ch;min-width:54px;margin:0 2px;padding:4px 8px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:15px;transition:border-color .16s,background .16s,color .16s}.bs-udl-sub-input:focus{border-color:#3b82f6;outline:none;box-shadow:0 0 0 2px #3b82f626}.bs-udl-sub-input::placeholder{color:#9ca3af;opacity:.8}.bs-udl-sub-static-value{color:#166534;padding:0 4px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:15px;font-weight:700;display:inline-block}.bs-udl-sub-input--correct{color:#166534!important;background:#dcfce7!important;border:1.5px solid #16a34a!important;font-weight:600!important}.bs-udl-sub-input--wrong{color:#991b1b!important;background:#fee2e2!important;border:1.5px solid #dc2626!important}.bs-udl-sub-result{text-align:center;vertical-align:baseline;min-width:44px;margin:0 1px;padding:1px 4px;transition:opacity .22s,color .22s;display:inline-block}.bs-udl-sub-result--hidden{color:#c7bfa6;opacity:.55}.bs-udl-sub-result--shown{color:#047857;opacity:1;font-weight:700;animation:.36s cubic-bezier(.22,1.4,.36,1) both bs-udl-result-pop}@keyframes bs-udl-result-pop{0%{opacity:0;transform:scale(.78)}60%{opacity:1;transform:scale(1.08)}to{opacity:1;transform:scale(1)}}.bs-udl-sub--success{background:#10b9810b;border-radius:6px;margin:-2px -4px;padding:6px 8px;transition:background .32s}.bs-udl-sub-celebrate{text-align:center;font-family:var(--bs-font-body);color:#047857;justify-content:center;align-items:center;gap:6px;margin-top:10px;font-size:15px;font-weight:600;animation:.36s cubic-bezier(.22,1.4,.36,1) both bs-udl-celebrate-in,.4s 2.1s forwards bs-udl-celebrate-out;display:flex}.bs-udl-sub-celebrate-mark{color:#059669;background:#10b98124;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:14px;font-weight:700;display:inline-flex}.bs-udl-sub-celebrate-text{letter-spacing:.2px}@keyframes bs-udl-celebrate-in{0%{opacity:0;transform:scale(.85)translateY(-2px)}to{opacity:1;transform:scale(1)translateY(0)}}@keyframes bs-udl-celebrate-out{to{opacity:0;transform:translateY(-2px)}}.bs-udl-sub-diag{font-family:var(--bs-font-body);flex-direction:column;gap:4px;margin-top:10px;font-size:13px;line-height:1.5;animation:.22s both bs-udl-diag-fade;display:flex}@keyframes bs-udl-diag-fade{0%{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:translateY(0)}}.bs-udl-sub-diag-row{text-align:center;flex-direction:column;gap:4px;display:flex}.bs-udl-sub-diag-head{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;display:inline-flex}.bs-udl-sub-diag-mark{border-radius:50%;flex:none;justify-content:center;align-items:center;width:18px;height:18px;font-size:12px;font-weight:700;display:inline-flex}.bs-udl-sub-diag-row--correct .bs-udl-sub-diag-mark{color:#059669;background:#10b98129}.bs-udl-sub-diag-row--wrong .bs-udl-sub-diag-mark{color:#8a5a1a;background:#b88a4a29}.bs-udl-sub-diag-row--correct .bs-udl-sub-diag-text{color:#047857;font-weight:500}.bs-udl-sub-diag-row--wrong .bs-udl-sub-diag-text{color:#6b5d3e;font-weight:500}.bs-udl-sub-hint-btn{color:#5b5747;cursor:pointer;background:0 0;border:1px solid #cfc9b4;border-radius:999px;padding:2px 10px;font-family:inherit;font-size:12px;font-weight:500;transition:background .14s,border-color .14s,color .14s}.bs-udl-sub-hint-btn:hover{color:#1f2430;background:#c7b78a2e;border-color:#8a8676}.bs-udl-sub-hint-btn:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bs-udl-sub-hint-body{color:#4b3f2a;text-align:center;background:#fbf9ed;border:1px dashed #c7b78a;border-radius:8px;max-width:460px;margin:4px auto 2px;padding:8px 12px;font-size:12.5px;font-style:italic;line-height:1.55;animation:.2s both bs-udl-hint-fade}@keyframes bs-udl-hint-fade{0%{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:translateY(0)}}@media (width<=640px){.bs-udl-sub-input{width:4ch;min-width:38px;padding:1px 3px}.bs-udl-sub-result{min-width:38px}.bs-udl-sub-diag{font-size:12.5px}.bs-udl-sub-celebrate{font-size:14px}.bs-udl-sub-hint-body{font-size:12px}}@media (prefers-reduced-motion:reduce){.bs-udl-sub-result--shown,.bs-udl-sub-celebrate,.bs-udl-sub-diag,.bs-udl-sub-hint-body{animation:none}.bs-udl-sub-input,.bs-udl-sub-result,.bs-udl-sub-hint-btn,.bs-udl-sub--success{transition:none}}.bs-mini-udl-wrapper{background:#fffdf6;border:1px solid #e3dfce;border-radius:10px;max-width:360px;margin:12px auto;padding:8px 12px;box-shadow:0 1px 2px #14181f0a}.bs-mini-udl-caption{font-family:var(--bs-font-body);color:#6b5d3e;text-align:center;margin:2px 0 6px;font-size:12.5px;line-height:1.45}.bs-mini-udl-svg{width:100%;height:auto;max-height:200px;display:block}@media (width<=640px){.bs-mini-udl-wrapper{max-width:320px;margin:10px auto;padding:6px 10px}}@media (width<=380px){.bs-mini-udl-wrapper{max-width:100%}}.bs-mini-inc-wrapper{background:#fffdf6;border:1px solid #e3dfce;border-radius:10px;max-width:420px;margin:12px auto;padding:8px 12px;box-shadow:0 1px 2px #14181f0a}.bs-mini-inc-caption{font-family:var(--bs-font-body);color:#6b5d3e;text-align:center;margin:2px 0 6px;font-size:12.5px;line-height:1.45}.bs-mini-inc-svg{width:100%;height:auto;max-height:200px;display:block}@media (width<=640px){.bs-mini-inc-wrapper{max-width:360px;margin:10px auto;padding:6px 10px}}@media (width<=380px){.bs-mini-inc-wrapper{max-width:100%}}.bs-inc-sub-wrapper{text-align:center;padding:10px 8px;font-family:Heebo,Assistant,system-ui,sans-serif}.bs-inc-sub-line{text-align:center;direction:ltr;margin:4px 0;font-size:15.5px;display:block}.bs-inc-sub-line+.bs-inc-sub-line{margin-top:8px}.bs-inc-sub-paren{color:#8a8676;margin:0 1px;font-weight:500}.bs-inc-sub-trig{color:#1f2937;margin:0 1px;font-weight:500}.bs-inc-sub-deg{color:#8a8676;margin-left:1px;margin-right:1px}.bs-inc-sub-arrow{color:#1f2937;margin-left:2px;font-weight:500}.bs-inc-sub-input{text-align:center;color:#1f2937;vertical-align:baseline;background:#fff;border:1.5px solid #9ca3af;border-radius:4px;width:5.5ch;min-width:54px;margin:0 2px;padding:4px 8px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:15px;transition:border-color .16s,background .16s,color .16s}.bs-inc-sub-input:focus{border-color:#3b82f6;outline:none;box-shadow:0 0 0 2px #3b82f626}.bs-inc-sub-input::placeholder{color:#9ca3af;opacity:.8}.bs-inc-sub-static-value{color:#166534;padding:0 4px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:15px;font-weight:700;display:inline-block}.bs-inc-sub-input--correct{color:#166534!important;background:#dcfce7!important;border:1.5px solid #16a34a!important;font-weight:600!important}.bs-inc-sub-input--wrong{color:#991b1b!important;background:#fee2e2!important;border:1.5px solid #dc2626!important}.bs-inc-sub-result{text-align:center;vertical-align:baseline;min-width:44px;margin:0 1px;padding:1px 4px;transition:opacity .22s,color .22s;display:inline-block}.bs-inc-sub-result--hidden{color:#c7bfa6;opacity:.55}.bs-inc-sub-result--shown{color:#047857;opacity:1;font-weight:700;animation:.36s cubic-bezier(.22,1.4,.36,1) both bs-inc-result-pop}@keyframes bs-inc-result-pop{0%{opacity:0;transform:scale(.78)}60%{opacity:1;transform:scale(1.08)}to{opacity:1;transform:scale(1)}}.bs-inc-sub--success{background:#10b9810b;border-radius:6px;margin:-2px -4px;padding:6px 8px;transition:background .32s}.bs-inc-sub-celebrate{text-align:center;font-family:var(--bs-font-body);color:#047857;justify-content:center;align-items:center;gap:6px;margin-top:10px;font-size:15px;font-weight:600;animation:.36s cubic-bezier(.22,1.4,.36,1) both bs-inc-celebrate-in,.4s 2.1s forwards bs-inc-celebrate-out;display:flex}.bs-inc-sub-celebrate-mark{color:#059669;background:#10b98124;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:14px;font-weight:700;display:inline-flex}.bs-inc-sub-celebrate-text{letter-spacing:.2px}@keyframes bs-inc-celebrate-in{0%{opacity:0;transform:scale(.85)translateY(-2px)}to{opacity:1;transform:scale(1)translateY(0)}}@keyframes bs-inc-celebrate-out{to{opacity:0;transform:translateY(-2px)}}.bs-inc-sub-diag{font-family:var(--bs-font-body);flex-direction:column;gap:4px;margin-top:10px;font-size:13px;line-height:1.5;animation:.22s both bs-inc-diag-fade;display:flex}@keyframes bs-inc-diag-fade{0%{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:translateY(0)}}.bs-inc-sub-diag-row{text-align:center;flex-direction:column;gap:4px;display:flex}.bs-inc-sub-diag-head{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;display:inline-flex}.bs-inc-sub-diag-mark{border-radius:50%;flex:none;justify-content:center;align-items:center;width:18px;height:18px;font-size:12px;font-weight:700;display:inline-flex}.bs-inc-sub-diag-row--correct .bs-inc-sub-diag-mark{color:#059669;background:#10b98129}.bs-inc-sub-diag-row--wrong .bs-inc-sub-diag-mark{color:#8a5a1a;background:#b88a4a29}.bs-inc-sub-diag-row--correct .bs-inc-sub-diag-text{color:#047857;font-weight:500}.bs-inc-sub-diag-row--wrong .bs-inc-sub-diag-text{color:#6b5d3e;font-weight:500}.bs-inc-sub-hint-btn{color:#5b5747;cursor:pointer;background:0 0;border:1px solid #cfc9b4;border-radius:999px;padding:2px 10px;font-family:inherit;font-size:12px;font-weight:500;transition:background .14s,border-color .14s,color .14s}.bs-inc-sub-hint-btn:hover{color:#1f2430;background:#c7b78a2e;border-color:#8a8676}.bs-inc-sub-hint-btn:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bs-inc-sub-hint-body{color:#4b3f2a;text-align:center;background:#fbf9ed;border:1px dashed #c7b78a;border-radius:8px;max-width:460px;margin:4px auto 2px;padding:8px 12px;font-size:12.5px;font-style:italic;line-height:1.55;animation:.2s both bs-inc-hint-fade}@keyframes bs-inc-hint-fade{0%{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:translateY(0)}}@media (width<=640px){.bs-inc-sub-input{width:4ch;min-width:38px;padding:1px 3px}.bs-inc-sub-result{min-width:38px}.bs-inc-sub-diag{font-size:12.5px}.bs-inc-sub-celebrate{font-size:14px}.bs-inc-sub-hint-body{font-size:12px}}@media (prefers-reduced-motion:reduce){.bs-inc-sub-result--shown,.bs-inc-sub-celebrate,.bs-inc-sub-diag,.bs-inc-sub-hint-body{animation:none}.bs-inc-sub-input,.bs-inc-sub-result,.bs-inc-sub-hint-btn,.bs-inc-sub--success{transition:none}}.bs-fx-wrapper{font-family:var(--bs-font-body);margin:4px 0 8px;padding:6px 4px 8px}.bs-fx-title{text-align:center;color:#14181f;font-family:var(--bs-font-body);margin-bottom:10px}.bs-fx-title-main{letter-spacing:.2px;font-size:22px;font-weight:700}.bs-fx-title-aux{color:#6b7280;margin-right:6px;font-size:12.5px;font-weight:500}.bs-fx-section-label{text-align:center;font-family:var(--bs-font-body);color:#2563eb;letter-spacing:.2px;margin:0 auto 6px;font-size:13px;font-weight:600}.bs-fx-box{background:#fffdf6;border:1px solid #e3dfce;border-radius:10px;max-width:640px;margin:0 auto;padding:12px 16px;transition:background .32s,border-color .32s;box-shadow:0 1px 2px #14181f0a}.bs-fx-thumbnail{max-width:720px;margin:0 auto 14px}@media (width<=760px){.bs-fx-thumbnail{max-width:100%}}.bs-fx-labels-row{direction:ltr;flex-wrap:wrap;justify-content:center;align-items:baseline;gap:2px 4px;padding:2px 0 4px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:15px;display:flex}.bs-fx-label-cell{white-space:nowrap;align-items:baseline;display:inline-flex}.bs-fx-label{font-weight:700}.bs-fx-label--reaction{color:#047857}.bs-fx-label--load{color:#dc2626}.bs-fx-equation{direction:ltr;flex-wrap:wrap;justify-content:center;align-items:baseline;gap:4px;padding:2px 0;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:16px;display:flex}.bs-fx-term{align-items:baseline;gap:1px;display:inline-flex}.bs-fx-sign{color:#1f2937;margin:0 2px;font-weight:600}.bs-fx-paren{color:#8a8676}.bs-fx-unknown{color:#047857;padding:0 4px;font-weight:700}.bs-fx-rhs{color:#1f2937;margin-left:6px;font-weight:600}.bs-fx-input{width:5ch;min-width:50px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:inherit;text-align:center;color:#1f2937;vertical-align:baseline;background:0 0;border:none;border-bottom:1.5px dashed #c7b78a;margin:0 1px;padding:1px 4px;transition:border-color .16s,background .16s,color .16s}.bs-fx-input:focus{background:#c7b78a1a;border-bottom-style:solid;border-bottom-color:#8a8676;outline:none}.bs-fx-input::placeholder{color:#b8af90;opacity:.8}.bs-fx-input--correct{color:#047857;border-bottom:1.5px solid #10b981;font-weight:600}.bs-fx-static-value{color:#166534;padding:0 4px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:15px;font-weight:700;display:inline-block}.bs-fx-input--wrong{background:#b88a4a0f;border-bottom:1.5px solid #b88a4a}.bs-fx-diag{font-family:var(--bs-font-body);flex-direction:column;gap:6px;margin-top:10px;font-size:13px;line-height:1.5;animation:.22s both bs-fx-diag-fade;display:flex}@keyframes bs-fx-diag-fade{0%{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:translateY(0)}}.bs-fx-diag-row{text-align:center;background:#c7b78a29;border-radius:6px;padding:6px 8px}.bs-fx-diag-row--correct{background:#10b9811a}.bs-fx-diag-row--wrong{background:#b88a4a1a}.bs-fx-diag-head{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;display:inline-flex}.bs-fx-diag-mark{border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;font-size:12px;font-weight:700;display:inline-flex}.bs-fx-diag-row--correct .bs-fx-diag-mark{color:#059669;background:#10b98129}.bs-fx-diag-row--wrong .bs-fx-diag-mark{color:#8a5a1a;background:#b88a4a29}.bs-fx-diag-row--correct .bs-fx-diag-text{color:#047857;font-weight:500}.bs-fx-diag-row--wrong .bs-fx-diag-text{color:#6b5d3e;font-weight:500}.bs-fx-hint-btn{color:#5b5747;cursor:pointer;background:0 0;border:1px solid #cfc9b4;border-radius:999px;padding:2px 10px;font-family:inherit;font-size:12px;font-weight:500;transition:background .14s,border-color .14s,color .14s}.bs-fx-hint-btn:hover{color:#1f2430;background:#c7b78a2e;border-color:#8a8676}.bs-fx-hint-btn:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bs-fx-hint-body{color:#4b3f2a;text-align:center;background:#fbf9ed;border:1px dashed #c7b78a;border-radius:8px;max-width:480px;margin:6px auto 0;padding:8px 12px;font-size:12.5px;font-style:italic;line-height:1.55;animation:.2s both bs-fx-hint-fade}@keyframes bs-fx-hint-fade{0%{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:translateY(0)}}.bs-fx--success .bs-fx-box{background:linear-gradient(#10b9810f,#fffdf6 80%);border-color:#10b98159}.bs-fx-success{text-align:center;margin-top:10px;animation:.32s both bs-fx-success-fade}@keyframes bs-fx-success-fade{0%{opacity:0}to{opacity:1}}.bs-fx-celebrate{font-family:var(--bs-font-body);color:#047857;justify-content:center;align-items:center;gap:8px;margin-bottom:8px;font-size:14px;font-weight:600;animation:.36s cubic-bezier(.22,1.4,.36,1) both bs-fx-celebrate-in,.4s 2.1s forwards bs-fx-celebrate-out;display:flex}.bs-fx-celebrate-mark{color:#059669;background:#10b98129;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:14px;font-weight:700;display:inline-flex}@keyframes bs-fx-celebrate-in{0%{opacity:0;transform:scale(.85)translateY(-2px)}to{opacity:1;transform:scale(1)translateY(0)}}@keyframes bs-fx-celebrate-out{to{opacity:0;transform:translateY(-2px)}}.bs-fx-arrow-divider{color:#94a3b8;margin:4px 0;font-size:16px}.bs-fx-step-divider{color:#94a3b8;justify-content:center;align-items:center;gap:8px;margin:8px 0 4px;display:flex}.bs-fx-step-arrow{font-size:16px;line-height:1}.bs-fx-step-label{font-family:var(--bs-font-body);letter-spacing:.2px;color:#6b7280;font-size:11.5px}.bs-fx-step-eq{color:#1f2937;text-align:center;margin:0 auto;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:15px}.bs-fx-step-eq-sign{color:#6b7280;font-weight:600}.bs-fx-step-value-signed{color:#1f2937;font-weight:700}.bs-fx-result{color:#047857;align-items:baseline;gap:2px;font-size:17px;font-weight:700;animation:.36s cubic-bezier(.22,1.4,.36,1) both bs-fx-result-pop;display:inline-flex}@keyframes bs-fx-result-pop{0%{opacity:0;transform:scale(.85)}60%{opacity:1;transform:scale(1.08)}to{opacity:1;transform:scale(1)}}.bs-fx-result-label,.bs-fx-result-value,.bs-fx-result-eq,.bs-fx-result-unit,.bs-fx-result-arrow{color:#047857}@media (width<=640px){.bs-fx-equation{font-size:15px}.bs-fx-input{width:4.5ch;min-width:44px}.bs-fx-diag{font-size:12.5px}.bs-fx-result{font-size:16px}}@media (prefers-reduced-motion:reduce){.bs-fx-diag,.bs-fx-celebrate,.bs-fx-result,.bs-fx-hint-body,.bs-fx-success{animation:none}.bs-fx-input{transition:none}}.bs-ma-wrapper{font-family:var(--bs-font-body);margin:4px 0 8px;padding:6px 4px 8px}.bs-ma-title{text-align:center;color:#14181f;font-family:var(--bs-font-body);margin-bottom:10px}.bs-ma-title-main{letter-spacing:.2px;font-size:22px;font-weight:700}.bs-ma-title-aux{color:#6b7280;margin-right:6px;font-size:12.5px;font-weight:500}.bs-ma-section-label{text-align:center;font-family:var(--bs-font-body);color:#2563eb;letter-spacing:.2px;margin:0 auto 6px;font-size:13px;font-weight:600}.bs-ma-box{background:#fffdf6;border:1px solid #e3dfce;border-radius:10px;max-width:640px;margin:0 auto;padding:12px 16px;transition:background .32s,border-color .32s;box-shadow:0 1px 2px #14181f0a}.bs-ma-equation{direction:ltr;flex-wrap:wrap;justify-content:center;align-items:baseline;gap:6px 4px;padding:2px 0;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:16px;display:flex}.bs-ma-term{white-space:nowrap;align-items:baseline;gap:1px;display:inline-flex}.bs-ma-sign{color:#1f2937;margin:0 2px;font-weight:600}.bs-ma-paren{color:#8a8676}.bs-ma-times{color:#6b5d3e;margin:0 4px;font-weight:500}.bs-ma-unknown{color:#047857;padding:0 4px;font-weight:700}.bs-ma-rhs{color:#1f2937;margin-left:6px;font-weight:600}.bs-ma-input{width:5ch;min-width:50px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:inherit;text-align:center;color:#1f2937;vertical-align:baseline;background:0 0;border:none;border-bottom:1.5px dashed #c7b78a;margin:0 1px;padding:1px 4px;transition:border-color .16s,background .16s,color .16s}.bs-ma-input:focus{background:#c7b78a1a;border-bottom-style:solid;border-bottom-color:#8a8676;outline:none}.bs-ma-input::placeholder{color:#b8af90;opacity:.8}.bs-ma-input--correct{color:#047857;border-bottom:1.5px solid #10b981;font-weight:600}.bs-ma-input--wrong{background:#b88a4a0f;border-bottom:1.5px solid #b88a4a}.bs-ma-diag{font-family:var(--bs-font-body);flex-direction:column;gap:6px;margin-top:10px;font-size:13px;line-height:1.5;animation:.22s both bs-ma-diag-fade;display:flex}@keyframes bs-ma-diag-fade{0%{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:translateY(0)}}.bs-ma-diag-row{text-align:center;background:#c7b78a29;border-radius:6px;padding:6px 8px}.bs-ma-diag-row--correct{background:#10b9811a}.bs-ma-diag-row--wrong{background:#b88a4a1a}.bs-ma-diag-head{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;display:inline-flex}.bs-ma-diag-mark{border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;font-size:12px;font-weight:700;display:inline-flex}.bs-ma-diag-row--correct .bs-ma-diag-mark{color:#059669;background:#10b98129}.bs-ma-diag-row--wrong .bs-ma-diag-mark{color:#8a5a1a;background:#b88a4a29}.bs-ma-diag-row--correct .bs-ma-diag-text{color:#047857;font-weight:500}.bs-ma-diag-row--wrong .bs-ma-diag-text{color:#6b5d3e;font-weight:500}.bs-ma-hint-btn{color:#5b5747;cursor:pointer;background:0 0;border:1px solid #cfc9b4;border-radius:999px;padding:2px 10px;font-family:inherit;font-size:12px;font-weight:500;transition:background .14s,border-color .14s,color .14s}.bs-ma-hint-btn:hover{color:#1f2430;background:#c7b78a2e;border-color:#8a8676}.bs-ma-hint-btn:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bs-ma-hint-body{color:#4b3f2a;text-align:center;background:#fbf9ed;border:1px dashed #c7b78a;border-radius:8px;max-width:520px;margin:6px auto 0;padding:8px 12px;font-size:12.5px;font-style:italic;line-height:1.55;animation:.2s both bs-ma-hint-fade}@keyframes bs-ma-hint-fade{0%{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:translateY(0)}}.bs-ma--success .bs-ma-box{background:linear-gradient(#10b9810f,#fffdf6 80%);border-color:#10b98159}.bs-ma-success{text-align:center;margin-top:12px;animation:.32s both bs-ma-success-fade}@keyframes bs-ma-success-fade{0%{opacity:0}to{opacity:1}}.bs-ma-celebrate{font-family:var(--bs-font-body);color:#047857;justify-content:center;align-items:center;gap:8px;margin-bottom:8px;font-size:14px;font-weight:600;animation:.36s cubic-bezier(.22,1.4,.36,1) both bs-ma-celebrate-in,.4s 2.1s forwards bs-ma-celebrate-out;display:flex}.bs-ma-celebrate-mark{color:#059669;background:#10b98129;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:14px;font-weight:700;display:inline-flex}@keyframes bs-ma-celebrate-in{0%{opacity:0;transform:scale(.85)translateY(-2px)}to{opacity:1;transform:scale(1)translateY(0)}}@keyframes bs-ma-celebrate-out{to{opacity:0;transform:translateY(-2px)}}.bs-ma-arrow-divider{color:#94a3b8;margin:4px 0;font-size:16px}.bs-ma-result-label{font-family:var(--bs-font-body);color:#16a34a;letter-spacing:.2px;text-align:center;margin:6px auto;font-size:12.5px;font-weight:600}.bs-ma-result{color:#166534;align-items:baseline;gap:6px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:16px;font-weight:700;animation:.36s cubic-bezier(.22,1.4,.36,1) both bs-ma-result-pop;display:inline-flex}.bs-ma-result-check{color:#16a34a;font-size:16px;text-decoration:none}@keyframes bs-ma-result-pop{0%{opacity:0;transform:scale(.85)}60%{opacity:1;transform:scale(1.08)}to{opacity:1;transform:scale(1)}}.bs-ma-result-stack{justify-items:center;row-gap:3px;display:grid}.bs-ma-result-signed{color:#166534;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:14px}.bs-ma-result-flip{font-family:var(--bs-font-body);color:#15803d;font-size:12px}@media (width<=640px){.bs-ma-equation{gap:5px 3px;font-size:15px}.bs-ma-input{width:4.5ch;min-width:44px}.bs-ma-diag{font-size:12.5px}.bs-ma-result{font-size:15px}}@media (prefers-reduced-motion:reduce){.bs-ma-diag,.bs-ma-celebrate,.bs-ma-result,.bs-ma-hint-body,.bs-ma-success{animation:none}.bs-ma-input{transition:none}}.bs-ma-progress{font-family:var(--bs-font-body);color:#6b7280;text-align:center;background:#c7b78a29;border-radius:999px;margin:0 auto 10px;padding:2px 10px;font-size:12.5px;font-weight:500;display:inline-block}.bs-ma-wrapper{text-align:center}.bs-ma-wrapper>.bs-ma-progress{width:max-content;display:block}.bs-ma-progress--done{color:#047857;background:#10b98126}.bs-ma-acc-section{text-align:center;margin-bottom:14px}.bs-ma-acc-label{font-family:var(--bs-font-body);color:#2563eb;letter-spacing:.2px;margin-bottom:6px;font-size:12.5px;font-weight:600}.bs-ma-acc-eq{color:#1f2937;background:#fffdf699;border:1px dashed #d6cfb0;border-radius:8px;flex-wrap:wrap;justify-content:center;align-items:baseline;gap:0 2px;min-height:38px;padding:8px 10px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:15.5px;line-height:1.7;display:flex}.bs-ma-acc-term{white-space:nowrap;align-items:baseline;animation:.28s both bs-ma-acc-add;display:inline-flex}.bs-ma-acc-term--done{opacity:1}.bs-ma-acc-term--active{opacity:.85}.bs-ma-acc-term--pending{opacity:.55}.bs-ma-acc-skeleton{color:#94a3b8;font-style:italic;font-weight:500}@keyframes bs-ma-acc-add{0%{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:translateY(0)}}.bs-ma-acc-term-inner{align-items:baseline;display:inline-flex}.bs-ma-acc-op{color:#1f2937;font-weight:600}.bs-ma-acc-paren{color:#8a8676}.bs-ma-acc-force{color:#dc2626;font-weight:600}.bs-ma-acc-arm{color:#2563eb;font-weight:600}.bs-ma-acc-unknown{color:#047857;font-weight:700}.bs-ma-acc-times{color:#6b5d3e}.bs-ma-acc-active-tail{color:#94a3b8;font-style:italic}.bs-ma-acc-rhs{color:#1f2937;font-weight:600}.bs-ma-step{text-align:center;background:#fff;border:1px solid #e3dfce;border-radius:8px;padding:14px 16px;animation:.24s both bs-ma-step-fade}.bs-ma-step-thumbnail{max-width:720px;margin:0 auto 14px}@media (width<=760px){.bs-ma-step-thumbnail{max-width:100%}}@keyframes bs-ma-step-fade{0%{opacity:0;transform:translateY(2px)}to{opacity:1;transform:translateY(0)}}.bs-ma-step-num{font-family:var(--bs-font-body);color:#94a3b8;letter-spacing:.2px;margin-bottom:6px;font-size:11.5px}.bs-ma-step-header{font-family:var(--bs-font-body);color:#14181f;margin-bottom:4px;font-size:15px;font-weight:700}.bs-ma-step-prompt{font-family:var(--bs-font-body);color:#4b5563;margin-bottom:10px;font-size:13.5px;line-height:1.5}.bs-ma-step-input-row{font-family:var(--bs-font-body);color:#1f2937;justify-content:center;align-items:baseline;font-size:16px;display:inline-flex}.bs-ma-step-arm-label{color:#1f2937;font-weight:600}.bs-ma-step-unit{color:#6b7280;font-size:14px}.bs-ma-step-input-row .bs-ma-input{width:8ch;min-width:80px;font-size:16px}.bs-ma-moment-ack-row{justify-content:center;margin:6px 0 4px;display:flex}.bs-ma-moment-ack-btn{color:#fff;font-family:var(--bs-font-body);cursor:pointer;background:#10b981;border:1.5px solid #10b981;border-radius:999px;padding:8px 20px;font-size:13.5px;font-weight:600;transition:background .16s,border-color .16s}.bs-ma-moment-ack-btn:hover{background:#047857;border-color:#047857}.bs-ma-moment-ack-btn:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}@media (width<=640px){.bs-ma-acc-eq,.bs-ma-step-header{font-size:14px}.bs-ma-step-input-row .bs-ma-input{width:6.5ch;min-width:64px}}@media (prefers-reduced-motion:reduce){.bs-ma-acc-term,.bs-ma-step{animation:none}}.bs-ma-mark-source-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;margin-top:8px;display:flex}.bs-ma-mark-source-btn{color:#92400e;font-family:var(--bs-font-body);cursor:pointer;background:#f59e0b1a;border:1px solid #f59e0b;border-radius:999px;padding:5px 14px;font-size:12.5px;font-weight:600;transition:background .14s,color .14s,transform .12s}.bs-ma-mark-source-btn:hover{color:#78350f;background:#f59e0b38}.bs-ma-mark-source-btn:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bs-ma-mark-source-btn:active{transform:translateY(1px)}.bs-ma-mark-source-hint{font-family:var(--bs-font-body);color:#94a3b8;font-size:11.5px;line-height:1.4}.bs-ma-moment-ack-row{flex-wrap:wrap;gap:8px}.bs-mb-wrapper{font-family:var(--bs-font-body);margin:4px 0 8px;padding:6px 4px 8px}.bs-mb-title{text-align:center;color:#14181f;font-family:var(--bs-font-body);margin-bottom:10px}.bs-mb-title-main{letter-spacing:.2px;font-size:22px;font-weight:700}.bs-mb-title-aux{color:#6b7280;margin-right:6px;font-size:12.5px;font-weight:500}.bs-mb-section-label{text-align:center;font-family:var(--bs-font-body);color:#2563eb;letter-spacing:.2px;margin:0 auto 6px;font-size:13px;font-weight:600}.bs-mb-box{background:#fffdf6;border:1px solid #e3dfce;border-radius:10px;max-width:640px;margin:0 auto;padding:12px 16px;transition:background .32s,border-color .32s;box-shadow:0 1px 2px #14181f0a}.bs-mb-equation{direction:ltr;flex-wrap:wrap;justify-content:center;align-items:baseline;gap:6px 4px;padding:2px 0;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:16px;display:flex}.bs-mb-term{white-space:nowrap;align-items:baseline;gap:1px;display:inline-flex}.bs-mb-sign{color:#1f2937;margin:0 2px;font-weight:600}.bs-mb-paren{color:#8a8676}.bs-mb-times{color:#6b5d3e;margin:0 4px;font-weight:500}.bs-mb-unknown{color:#047857;padding:0 4px;font-weight:700}.bs-mb-rhs{color:#1f2937;margin-left:6px;font-weight:600}.bs-mb-input{width:5ch;min-width:50px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:inherit;text-align:center;color:#1f2937;vertical-align:baseline;background:0 0;border:none;border-bottom:1.5px dashed #c7b78a;margin:0 1px;padding:1px 4px;transition:border-color .16s,background .16s,color .16s}.bs-mb-input:focus{background:#c7b78a1a;border-bottom-style:solid;border-bottom-color:#8a8676;outline:none}.bs-mb-input::placeholder{color:#b8af90;opacity:.8}.bs-mb-input--correct{color:#047857;border-bottom:1.5px solid #10b981;font-weight:600}.bs-mb-input--wrong{background:#b88a4a0f;border-bottom:1.5px solid #b88a4a}.bs-mb-diag{font-family:var(--bs-font-body);flex-direction:column;gap:6px;margin-top:10px;font-size:13px;line-height:1.5;animation:.22s both bs-mb-diag-fade;display:flex}@keyframes bs-mb-diag-fade{0%{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:translateY(0)}}.bs-mb-diag-row{text-align:center;background:#c7b78a29;border-radius:6px;padding:6px 8px}.bs-mb-diag-row--correct{background:#10b9811a}.bs-mb-diag-row--wrong{background:#b88a4a1a}.bs-mb-diag-head{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;display:inline-flex}.bs-mb-diag-mark{border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;font-size:12px;font-weight:700;display:inline-flex}.bs-mb-diag-row--correct .bs-mb-diag-mark{color:#059669;background:#10b98129}.bs-mb-diag-row--wrong .bs-mb-diag-mark{color:#8a5a1a;background:#b88a4a29}.bs-mb-diag-row--correct .bs-mb-diag-text{color:#047857;font-weight:500}.bs-mb-diag-row--wrong .bs-mb-diag-text{color:#6b5d3e;font-weight:500}.bs-mb-hint-btn{color:#5b5747;cursor:pointer;background:0 0;border:1px solid #cfc9b4;border-radius:999px;padding:2px 10px;font-family:inherit;font-size:12px;font-weight:500;transition:background .14s,border-color .14s,color .14s}.bs-mb-hint-btn:hover{color:#1f2430;background:#c7b78a2e;border-color:#8a8676}.bs-mb-hint-btn:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bs-mb-hint-body{color:#4b3f2a;text-align:center;background:#fbf9ed;border:1px dashed #c7b78a;border-radius:8px;max-width:520px;margin:6px auto 0;padding:8px 12px;font-size:12.5px;font-style:italic;line-height:1.55;animation:.2s both bs-mb-hint-fade}@keyframes bs-mb-hint-fade{0%{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:translateY(0)}}.bs-mb--success .bs-mb-box{background:linear-gradient(#10b9810f,#fffdf6 80%);border-color:#10b98159}.bs-mb-success{text-align:center;margin-top:12px;animation:.32s both bs-mb-success-fade}@keyframes bs-mb-success-fade{0%{opacity:0}to{opacity:1}}.bs-mb-celebrate{font-family:var(--bs-font-body);color:#047857;justify-content:center;align-items:center;gap:8px;margin-bottom:8px;font-size:14px;font-weight:600;animation:.36s cubic-bezier(.22,1.4,.36,1) both bs-mb-celebrate-in,.4s 2.1s forwards bs-mb-celebrate-out;display:flex}.bs-mb-celebrate-mark{color:#059669;background:#10b98129;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:14px;font-weight:700;display:inline-flex}@keyframes bs-mb-celebrate-in{0%{opacity:0;transform:scale(.85)translateY(-2px)}to{opacity:1;transform:scale(1)translateY(0)}}@keyframes bs-mb-celebrate-out{to{opacity:0;transform:translateY(-2px)}}.bs-mb-arrow-divider{color:#94a3b8;margin:4px 0;font-size:16px}.bs-mb-result-label{font-family:var(--bs-font-body);color:#16a34a;letter-spacing:.2px;text-align:center;margin:6px auto;font-size:12.5px;font-weight:600}.bs-mb-result{color:#166534;align-items:baseline;gap:6px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:16px;font-weight:700;animation:.36s cubic-bezier(.22,1.4,.36,1) both bs-mb-result-pop;display:inline-flex}.bs-mb-result-check{color:#16a34a;font-size:16px;text-decoration:none}@keyframes bs-mb-result-pop{0%{opacity:0;transform:scale(.85)}60%{opacity:1;transform:scale(1.08)}to{opacity:1;transform:scale(1)}}.bs-mb-result-stack{justify-items:center;row-gap:3px;display:grid}.bs-mb-result-signed{color:#166534;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:14px}.bs-mb-result-flip{font-family:var(--bs-font-body);color:#15803d;font-size:12px}@media (width<=640px){.bs-mb-equation{gap:5px 3px;font-size:15px}.bs-mb-input{width:4.5ch;min-width:44px}.bs-mb-diag{font-size:12.5px}.bs-mb-result{font-size:15px}}@media (prefers-reduced-motion:reduce){.bs-mb-diag,.bs-mb-celebrate,.bs-mb-result,.bs-mb-hint-body,.bs-mb-success{animation:none}.bs-mb-input{transition:none}}.bs-mb-progress{font-family:var(--bs-font-body);color:#6b7280;text-align:center;background:#c7b78a29;border-radius:999px;margin:0 auto 10px;padding:2px 10px;font-size:12.5px;font-weight:500;display:inline-block}.bs-mb-wrapper{text-align:center}.bs-mb-wrapper>.bs-mb-progress{width:max-content;display:block}.bs-mb-progress--done{color:#047857;background:#10b98126}.bs-mb-acc-section{text-align:center;margin-bottom:14px}.bs-mb-acc-label{font-family:var(--bs-font-body);color:#2563eb;letter-spacing:.2px;margin-bottom:6px;font-size:12.5px;font-weight:600}.bs-mb-acc-eq{color:#1f2937;background:#fffdf699;border:1px dashed #d6cfb0;border-radius:8px;flex-wrap:wrap;justify-content:center;align-items:baseline;gap:0 2px;min-height:38px;padding:8px 10px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:15.5px;line-height:1.7;display:flex}.bs-mb-acc-term{white-space:nowrap;align-items:baseline;animation:.28s both bs-mb-acc-add;display:inline-flex}.bs-mb-acc-term--done{opacity:1}.bs-mb-acc-term--active{opacity:.85}.bs-mb-acc-term--pending{opacity:.55}.bs-mb-acc-skeleton{color:#94a3b8;font-style:italic;font-weight:500}@keyframes bs-mb-acc-add{0%{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:translateY(0)}}.bs-mb-acc-term-inner{align-items:baseline;display:inline-flex}.bs-mb-acc-op{color:#1f2937;font-weight:600}.bs-mb-acc-paren{color:#8a8676}.bs-mb-acc-force{color:#dc2626;font-weight:600}.bs-mb-acc-arm{color:#2563eb;font-weight:600}.bs-mb-acc-unknown{color:#047857;font-weight:700}.bs-mb-acc-times{color:#6b5d3e}.bs-mb-acc-active-tail{color:#94a3b8;font-style:italic}.bs-mb-acc-rhs{color:#1f2937;font-weight:600}.bs-mb-step{text-align:center;background:#fff;border:1px solid #e3dfce;border-radius:8px;padding:14px 16px;animation:.24s both bs-mb-step-fade}.bs-mb-step-thumbnail{max-width:720px;margin:0 auto 14px}@media (width<=760px){.bs-mb-step-thumbnail{max-width:100%}}@keyframes bs-mb-step-fade{0%{opacity:0;transform:translateY(2px)}to{opacity:1;transform:translateY(0)}}.bs-mb-step-num{font-family:var(--bs-font-body);color:#94a3b8;letter-spacing:.2px;margin-bottom:6px;font-size:11.5px}.bs-mb-step-header{font-family:var(--bs-font-body);color:#14181f;margin-bottom:4px;font-size:15px;font-weight:700}.bs-mb-step-prompt{font-family:var(--bs-font-body);color:#4b5563;margin-bottom:10px;font-size:13.5px;line-height:1.5}.bs-mb-step-input-row{font-family:var(--bs-font-body);color:#1f2937;justify-content:center;align-items:baseline;font-size:16px;display:inline-flex}.bs-mb-step-arm-label{color:#1f2937;font-weight:600}.bs-mb-step-unit{color:#6b7280;font-size:14px}.bs-mb-step-input-row .bs-mb-input{width:8ch;min-width:80px;font-size:16px}.bs-mb-moment-ack-row{justify-content:center;margin:6px 0 4px;display:flex}.bs-mb-moment-ack-btn{color:#fff;font-family:var(--bs-font-body);cursor:pointer;background:#10b981;border:1.5px solid #10b981;border-radius:999px;padding:8px 20px;font-size:13.5px;font-weight:600;transition:background .16s,border-color .16s}.bs-mb-moment-ack-btn:hover{background:#047857;border-color:#047857}.bs-mb-moment-ack-btn:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}@media (width<=640px){.bs-mb-acc-eq,.bs-mb-step-header{font-size:14px}.bs-mb-step-input-row .bs-mb-input{width:6.5ch;min-width:64px}}@media (prefers-reduced-motion:reduce){.bs-mb-acc-term,.bs-mb-step{animation:none}}.bs-mb-mark-source-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;margin-top:8px;display:flex}.bs-mb-mark-source-btn{color:#92400e;font-family:var(--bs-font-body);cursor:pointer;background:#f59e0b1a;border:1px solid #f59e0b;border-radius:999px;padding:5px 14px;font-size:12.5px;font-weight:600;transition:background .14s,color .14s,transform .12s}.bs-mb-mark-source-btn:hover{color:#78350f;background:#f59e0b38}.bs-mb-mark-source-btn:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bs-mb-mark-source-btn:active{transform:translateY(1px)}.bs-mb-mark-source-hint{font-family:var(--bs-font-body);color:#94a3b8;font-size:11.5px;line-height:1.4}.bs-mb-moment-ack-row{flex-wrap:wrap;gap:8px}.bs-fyc-wrapper{font-family:var(--bs-font-body);margin:4px 0 8px;padding:6px 4px 8px}.bs-fyc-title{text-align:center;color:#14181f;font-family:var(--bs-font-body);margin-bottom:10px}.bs-fyc-title-main{letter-spacing:.2px;font-size:22px;font-weight:700}.bs-fyc-title-aux{color:#7c3aed;margin-right:6px;font-size:12.5px;font-weight:500}.bs-fyc-section-label{text-align:center;font-family:var(--bs-font-body);color:#2563eb;letter-spacing:.2px;margin:0 auto 6px;font-size:13px;font-weight:600}.bs-fyc-box{background:#fffdf6;border:1px solid #e3dfce;border-radius:10px;max-width:640px;margin:0 auto;padding:12px 16px;transition:background .32s,border-color .32s;box-shadow:0 1px 2px #14181f0a}.bs-fyc-thumbnail{max-width:720px;margin:0 auto 14px}@media (width<=760px){.bs-fyc-thumbnail{max-width:100%}}.bs-fyc-labels-row{direction:ltr;flex-wrap:wrap;justify-content:center;align-items:baseline;gap:2px 4px;padding:2px 0 4px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:15px;display:flex}.bs-fyc-label-cell{white-space:nowrap;align-items:baseline;display:inline-flex}.bs-fyc-label{font-weight:700}.bs-fyc-label--reaction{color:#047857}.bs-fyc-label--load{color:#dc2626}.bs-fyc-blanks-row{direction:ltr;flex-wrap:wrap;justify-content:center;align-items:baseline;gap:2px 4px;padding:4px 0 2px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:16px;display:flex}.bs-fyc-blank-cell{white-space:nowrap;align-items:baseline;display:inline-flex}.bs-fyc-op{color:#1f2937;margin:0 2px;font-weight:600}.bs-fyc-rhs{color:#1f2937;margin-left:6px;font-weight:600}.bs-fyc-input{width:5ch;min-width:50px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:inherit;text-align:center;color:#1f2937;vertical-align:baseline;background:0 0;border:none;border-bottom:1.5px dashed #c7b78a;margin:0 1px;padding:1px 4px;transition:border-color .16s,background .16s,color .16s}.bs-fyc-input:focus{background:#c7b78a1a;border-bottom-style:solid;border-bottom-color:#8a8676;outline:none}.bs-fyc-input::placeholder{color:#b8af90;opacity:.8}.bs-fyc-static-value{color:#166534;padding:0 4px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:15px;font-weight:700;display:inline-block}.bs-fyc-input--correct{color:#047857;border-bottom:1.5px solid #10b981;font-weight:600}.bs-fyc-input--wrong{background:#b88a4a0f;border-bottom:1.5px solid #b88a4a}.bs-fyc-diag{font-family:var(--bs-font-body);flex-direction:column;gap:6px;margin-top:10px;font-size:13px;line-height:1.5;animation:.22s both bs-fyc-diag-fade;display:flex}@keyframes bs-fyc-diag-fade{0%{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:translateY(0)}}.bs-fyc-diag-row{text-align:center;background:#c7b78a29;border-radius:6px;padding:6px 8px}.bs-fyc-diag-row--correct{background:#10b9811a}.bs-fyc-diag-row--wrong{background:#b88a4a1a}.bs-fyc-diag-head{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;display:inline-flex}.bs-fyc-diag-mark{border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;font-size:12px;font-weight:700;display:inline-flex}.bs-fyc-diag-row--correct .bs-fyc-diag-mark{color:#059669;background:#10b98129}.bs-fyc-diag-row--wrong .bs-fyc-diag-mark{color:#8a5a1a;background:#b88a4a29}.bs-fyc-diag-row--correct .bs-fyc-diag-text{color:#047857;font-weight:500}.bs-fyc-diag-row--wrong .bs-fyc-diag-text{color:#6b5d3e;font-weight:500}.bs-fyc-hint-btn{color:#5b5747;cursor:pointer;background:0 0;border:1px solid #cfc9b4;border-radius:999px;padding:2px 10px;font-family:inherit;font-size:12px;font-weight:500;transition:background .14s,border-color .14s,color .14s}.bs-fyc-hint-btn:hover{color:#1f2430;background:#c7b78a2e;border-color:#8a8676}.bs-fyc-hint-btn:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bs-fyc-hint-body{color:#4b3f2a;text-align:center;background:#fbf9ed;border:1px dashed #c7b78a;border-radius:8px;max-width:520px;margin:6px auto 0;padding:8px 12px;font-size:12.5px;font-style:italic;line-height:1.55;animation:.2s both bs-fyc-hint-fade}@keyframes bs-fyc-hint-fade{0%{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:translateY(0)}}.bs-fyc--success .bs-fyc-box{background:linear-gradient(#10b9810f,#fffdf6 80%);border-color:#10b98159}.bs-fyc-success{text-align:center;margin-top:12px;animation:.32s both bs-fyc-success-fade}@keyframes bs-fyc-success-fade{0%{opacity:0}to{opacity:1}}.bs-fyc-celebrate{font-family:var(--bs-font-body);color:#047857;justify-content:center;align-items:center;gap:8px;margin-bottom:8px;font-size:14px;font-weight:600;animation:.36s cubic-bezier(.22,1.4,.36,1) both bs-fyc-celebrate-in,.4s 2.1s forwards bs-fyc-celebrate-out;display:flex}.bs-fyc-celebrate-mark{color:#059669;background:#10b98129;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:14px;font-weight:700;display:inline-flex}@keyframes bs-fyc-celebrate-in{0%{opacity:0;transform:scale(.85)translateY(-2px)}to{opacity:1;transform:scale(1)translateY(0)}}@keyframes bs-fyc-celebrate-out{to{opacity:0;transform:translateY(-2px)}}.bs-fyc-arrow-divider{color:#94a3b8;margin:4px 0;font-size:16px}.bs-fyc-confirm{color:#166534;justify-content:center;align-items:baseline;gap:8px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:18px;font-weight:700;animation:.36s cubic-bezier(.22,1.4,.36,1) both bs-fyc-confirm-pop;display:inline-flex}.bs-fyc-confirm-check{color:#16a34a;font-size:18px;text-decoration:none}.bs-fyc-confirm-eq{color:#166534}@keyframes bs-fyc-confirm-pop{0%{opacity:0;transform:scale(.85)}60%{opacity:1;transform:scale(1.08)}to{opacity:1;transform:scale(1)}}.bs-fyc-confirm-note{font-family:var(--bs-font-body);color:#15803d;margin:6px auto 0;font-size:13px;font-weight:500}@media (width<=640px){.bs-fyc-labels-row{font-size:14px}.bs-fyc-blanks-row{gap:2px 3px;font-size:15px}.bs-fyc-input{width:4.5ch;min-width:44px}.bs-fyc-diag{font-size:12.5px}.bs-fyc-confirm{font-size:17px}}@media (prefers-reduced-motion:reduce){.bs-fyc-diag,.bs-fyc-celebrate,.bs-fyc-confirm,.bs-fyc-hint-body,.bs-fyc-success{animation:none}.bs-fyc-input{transition:none}}.bs-sa-wrapper{font-family:var(--bs-font-body);margin:8px 0;padding:8px 4px 12px}.bs-sa-header{flex-wrap:wrap;justify-content:center;align-items:baseline;gap:14px;margin-bottom:10px;display:flex}.bs-sa-title{font-family:var(--bs-font-body);color:#14181f;font-size:15px;font-weight:700}.bs-sa-progress{font-family:var(--bs-font-body);color:#6b7280;background:#c7b78a29;border-radius:999px;padding:2px 10px;font-size:12.5px;font-weight:500}.bs-sa-progress--done{color:#047857;background:#10b98126}.bs-sa-box{background:#fffdf6;border:1px solid #e3dfce;border-radius:10px;flex-direction:column;gap:10px;max-width:720px;margin:0 auto;padding:12px 14px;transition:background .32s,border-color .32s;display:flex;box-shadow:0 1px 2px #14181f0a}.bs-sa-summary{background:#10b98112;border:1px solid #10b98138;border-radius:8px;padding:8px 10px;animation:.26s both bs-sa-summary-fade}@keyframes bs-sa-summary-fade{0%{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:translateY(0)}}.bs-sa-sum-head{font-family:var(--bs-font-body);align-items:center;gap:8px;display:flex}.bs-sa-sum-mark{color:#047857;background:#10b9812e;border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;font-size:12px;font-weight:700;display:inline-flex}.bs-sa-sum-title{color:#047857;font-size:13px;font-weight:600;line-height:1.4}.bs-sa-sum-body{color:#166534;margin:4px 26px 0;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:13.5px}.bs-sa-sum-eq{display:inline-block}.bs-sa-active{background:#fff;border:1px solid #e3dfce;border-radius:8px;padding:12px 14px;animation:.55s cubic-bezier(.22,1,.36,1) both bs-sa-active-fade}@keyframes bs-sa-active-fade{0%{opacity:0;transform:translateY(14px)scale(.985)}to{opacity:1;transform:translateY(0)scale(1)}}.bs-sa-event-head{font-family:var(--bs-font-body);justify-content:center;align-items:baseline;gap:10px;margin-bottom:8px;display:flex}.bs-sa-event-num{color:#2563eb;letter-spacing:.2px;font-size:13px;font-weight:700}.bs-sa-event-progress{color:#94a3b8;font-size:11.5px}.bs-sa-prediction{margin-bottom:4px}.bs-sa-prediction-prompt{font-family:var(--bs-font-body);color:#1f2937;text-align:center;margin-bottom:10px;font-size:14px;line-height:1.55}.bs-sa-prediction-options{flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:8px;display:flex}.bs-sa-option{font-family:var(--bs-font-body);color:#1f2937;cursor:pointer;background:#fffdf6;border:1.5px solid #c7b78a;border-radius:999px;align-items:center;gap:6px;padding:6px 18px;font-size:13.5px;font-weight:600;transition:background .16s,border-color .16s,color .16s,transform .12s,box-shadow .16s;display:inline-flex}.bs-sa-option:hover:not(:disabled){background:#c7b78a2e;border-color:#8a8676}.bs-sa-option:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bs-sa-option:disabled{cursor:default}.bs-sa-option--selected{color:#1e3a8a;background:#2563eb14;border-color:#2563eb}.bs-sa-option--correct{color:#047857;background:#10b98126;border-color:#10b981;box-shadow:0 0 0 2px #10b9812e}.bs-sa-option--wrong{color:#991b1b;background:#dc26261a;border-color:#dc2626;animation:.38s cubic-bezier(.36,0,.32,1) both bs-sa-wrong-shake}@keyframes bs-sa-wrong-shake{0%{transform:translate(0)}20%{transform:translate(-4px)}40%{transform:translate(4px)}60%{transform:translate(-3px)}80%{transform:translate(2px)}to{transform:translate(0)}}.bs-sa-option-mark{font-size:13px;font-weight:700}.bs-sa-prediction-feedback{font-family:var(--bs-font-body);text-align:center;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin-top:6px;font-size:12.5px;display:flex}.bs-sa-prediction-feedback--wrong{color:#991b1b}.bs-sa-prediction-feedback--correct{color:#047857;font-weight:600}.bs-sa-prediction-feedback--revealed{color:#6b5d3e;font-style:italic}.bs-sa-hint-link{color:#2563eb;cursor:pointer;background:0 0;border:none;padding:2px 4px;font-family:inherit;font-size:12.5px;font-weight:500;text-decoration:underline}.bs-sa-hint-link:hover{color:#1e3a8a}.bs-sa-hint-link:focus-visible{outline-offset:2px;border-radius:4px;outline:2px solid #c7b78a}.bs-sa-hint-body{color:#4b3f2a;text-align:center;max-width:560px;font-size:12.5px;font-style:italic;line-height:1.55;font-family:var(--bs-font-body);background:#fbf9ed;border:1px dashed #c7b78a;border-radius:8px;margin:8px auto 0;padding:8px 12px;animation:.22s both bs-sa-hint-fade}@keyframes bs-sa-hint-fade{0%{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:translateY(0)}}.bs-sa-calc-wrap{animation:.28s both bs-sa-calc-fade}@keyframes bs-sa-calc-fade{0%{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:translateY(0)}}.bs-sa-calc-divider{background:#e3dfce;height:1px;margin:10px 0}.bs-sa-calc-label{font-family:var(--bs-font-body);color:#2563eb;text-align:center;margin-bottom:6px;font-size:12.5px;font-weight:600}.bs-sa-calc-eq{direction:ltr;flex-wrap:wrap;justify-content:center;align-items:baseline;gap:2px 4px;padding:4px 0;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:15.5px;display:flex}.bs-sa-eq-label{color:#1f2937;font-weight:700}.bs-sa-z-calc{margin-top:4px}.bs-sa-z-hero{justify-content:center;align-items:center;margin:10px 0 22px;display:flex}.bs-sa-z-hero .bs-sa-z-sketch{width:100%;max-width:380px}.bs-sa-z-split-wrap{justify-content:center;margin:8px 0 14px;display:flex}.bs-sa-z-split-sketch{width:100%;max-width:380px;height:auto;display:block}.bs-sa-z-sketch{width:100%;max-width:380px;height:auto;margin:0 auto;display:block}.bs-sa-z-step{text-align:center;margin-top:14px}.bs-sa-z-step:first-of-type{margin-top:6px}.bs-sa-z-law{color:#475569;margin-top:4px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:16px}.bs-sa-z-substitute{color:#1f2937;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;margin-top:6px;padding:6px 4px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:16px;display:flex}.bs-sa-z-var{color:#dc2626;font-size:17px;font-weight:700}.bs-sa-z-result{color:#6b7280;text-align:center;background:0 0;border:1px dashed #c7b78a;border-radius:4px;min-width:60px;padding:3px 10px;font-weight:600;transition:color .2s,background .2s,border-color .2s;display:inline-block}.bs-sa-z-result.is-shown{color:#047857;background:#dcfce7;border:1.5px solid #16a34a}.bs-sa-z-unit{color:#3b82f6;margin-inline-start:2px;font-size:14px;font-weight:700}.bs-sa-z-substitute .bs-sa-input{text-align:center!important;color:#1f2937!important;background:#fff!important;border:2px solid #9ca3af!important;border-radius:4px!important;width:56px!important;min-width:56px!important;margin:0 2px!important;padding:4px 6px!important;font-family:Heebo,Assistant,system-ui,sans-serif!important;font-size:14px!important;font-weight:600!important;transition:border-color .16s,background .16s,color .16s!important}.bs-sa-z-substitute .bs-sa-input:focus{outline:none!important}.bs-sa-z-substitute .bs-sa-input--correct{color:#047857!important;background:#dcfce7!important;border:2px solid #16a34a!important;font-weight:700!important}.bs-sa-z-substitute .bs-sa-input--wrong{color:#991b1b!important;background:#fee2e2!important;border:2px solid #dc2626!important;font-weight:700!important}.bs-sa-z-substitute .bs-sa-input::placeholder{color:#b8af90!important}.bs-sa-eq-eq{color:#1f2937;font-weight:600}.bs-sa-eq-prev{color:#6b7280}.bs-sa-eq-sign{color:#1f2937;font-weight:600}.bs-sa-eq-paren{color:#8a8676}.bs-sa-eq-times{color:#6b5d3e;margin:0 4px}.bs-sa-eq-unit{color:#6b7280;font-size:14px}.bs-sa-input{width:6ch;min-width:56px;font-family:inherit;font-size:inherit;text-align:center;color:#1f2937;vertical-align:baseline;background:#fff;border:1.5px solid #9ca3af;border-radius:4px;margin:0 2px;padding:3px 6px;font-weight:600;transition:border-color .16s,background .16s,color .16s}.bs-sa-input:focus{outline:none}.bs-sa-input::placeholder{color:#b8af90;opacity:.8;font-weight:500}.bs-sa-input--correct{color:#047857!important;background:#dcfce7!important;border:2px solid #16a34a!important;font-weight:700!important}.bs-sa-input--wrong{color:#991b1b!important;background:#fee2e2!important;border:2px solid #dc2626!important;font-weight:700!important}.bs-sa-calc-hint-row{text-align:center;margin-top:6px}.bs-sa-moment-conf{text-align:center;animation:.28s both bs-sa-calc-fade}.bs-sa-moment-text{font-family:var(--bs-font-body);color:#4b3f2a;background:#fbf9ed;border:1px dashed #c7b78a;border-radius:8px;margin-bottom:10px;padding:10px 14px;font-size:13.5px;line-height:1.65}.bs-sa-moment-eq{color:#166534;margin-top:4px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:14px;font-weight:600;display:inline-block}.bs-sa-continue-btn{color:#fff;font-family:var(--bs-font-body);cursor:pointer;background:#2563eb;border:1.5px solid #2563eb;border-radius:999px;padding:6px 18px;font-size:13px;font-weight:600;transition:background .16s,transform .12s}.bs-sa-continue-btn:hover{background:#1e3a8a;border-color:#1e3a8a}.bs-sa-continue-btn:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bs-sa-success{text-align:center;padding:10px 6px 4px;animation:.36s both bs-sa-success-fade}@keyframes bs-sa-success-fade{0%{opacity:0}to{opacity:1}}.bs-sa-celebrate{font-family:var(--bs-font-body);color:#047857;justify-content:center;align-items:center;gap:8px;margin-bottom:8px;font-size:14px;font-weight:600;animation:.36s cubic-bezier(.22,1.4,.36,1) both bs-sa-celebrate-in,.4s 2.1s forwards bs-sa-celebrate-out;display:flex}.bs-sa-celebrate-mark{color:#059669;background:#10b98129;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:14px;font-weight:700;display:inline-flex}@keyframes bs-sa-celebrate-in{0%{opacity:0;transform:scale(.85)translateY(-2px)}to{opacity:1;transform:scale(1)translateY(0)}}@keyframes bs-sa-celebrate-out{to{opacity:0;transform:translateY(-2px)}}.bs-sa-arrow-divider{color:#94a3b8;margin:4px 0;font-size:16px}.bs-sa-confirm{color:#166534;justify-content:center;align-items:baseline;gap:8px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:18px;font-weight:700;animation:.36s cubic-bezier(.22,1.4,.36,1) both bs-sa-confirm-pop;display:inline-flex}.bs-sa-confirm-check{color:#16a34a;font-size:18px;text-decoration:none}.bs-sa-confirm-eq{color:#166534}@keyframes bs-sa-confirm-pop{0%{opacity:0;transform:scale(.85)}60%{opacity:1;transform:scale(1.08)}to{opacity:1;transform:scale(1)}}.bs-sa-confirm-note{font-family:var(--bs-font-body);color:#15803d;margin:6px auto 0;font-size:13px;font-weight:500}@media (width<=640px){.bs-sa-box,.bs-sa-active{padding:10px}.bs-sa-prediction-prompt{font-size:13px}.bs-sa-option{padding:6px 14px;font-size:13px}.bs-sa-calc-eq{font-size:14px}.bs-sa-input{width:5ch;min-width:48px}.bs-sa-sum-body{font-size:12.5px}.bs-sa-confirm{font-size:17px}}@media (prefers-reduced-motion:reduce){.bs-sa-summary,.bs-sa-active,.bs-sa-calc-wrap,.bs-sa-moment-conf,.bs-sa-success,.bs-sa-celebrate,.bs-sa-confirm,.bs-sa-hint-body,.bs-sa-option--wrong{animation:none}.bs-sa-input{transition:none}}.bs-na-wrapper{font-family:var(--bs-font-body);margin:8px 0;padding:8px 4px 12px}.bs-na-header{flex-wrap:wrap;justify-content:center;align-items:baseline;gap:14px;margin-bottom:10px;display:flex}.bs-na-title{font-family:var(--bs-font-body);color:#14181f;font-size:15px;font-weight:700}.bs-na-progress{font-family:var(--bs-font-body);color:#6b7280;background:#c7b78a29;border-radius:999px;padding:2px 10px;font-size:12.5px;font-weight:500}.bs-na-progress--done{color:#047857;background:#10b98126}.bs-na-box{background:#fffdf6;border:1px solid #e3dfce;border-radius:10px;flex-direction:column;gap:10px;max-width:720px;margin:0 auto;padding:12px 14px;transition:background .32s,border-color .32s;display:flex;box-shadow:0 1px 2px #14181f0a}.bs-na-summary{background:#10b98112;border:1px solid #10b98138;border-radius:8px;padding:8px 10px;animation:.26s both bs-na-summary-fade}@keyframes bs-na-summary-fade{0%{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:translateY(0)}}.bs-na-sum-head{font-family:var(--bs-font-body);align-items:center;gap:8px;display:flex}.bs-na-sum-mark{color:#047857;background:#10b9812e;border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;font-size:12px;font-weight:700;display:inline-flex}.bs-na-sum-title{color:#047857;font-size:13px;font-weight:600;line-height:1.4}.bs-na-sum-body{color:#166534;margin:4px 26px 0;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:13.5px}.bs-na-sum-eq{display:inline-block}.bs-na-active{background:#fff;border:1px solid #e3dfce;border-radius:8px;padding:12px 14px;animation:.55s cubic-bezier(.22,1,.36,1) both bs-na-active-fade}@keyframes bs-na-active-fade{0%{opacity:0;transform:translateY(14px)scale(.985)}to{opacity:1;transform:translateY(0)scale(1)}}.bs-na-event-head{font-family:var(--bs-font-body);justify-content:center;align-items:baseline;gap:10px;margin-bottom:8px;display:flex}.bs-na-event-num{color:#f59e0b;letter-spacing:.2px;font-size:13px;font-weight:700}.bs-na-event-progress{color:#94a3b8;font-size:11.5px}.bs-na-prediction{margin-bottom:4px}.bs-na-prediction-prompt{font-family:var(--bs-font-body);color:#1f2937;text-align:center;margin-bottom:10px;font-size:14px;line-height:1.55}.bs-na-prediction-options{flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:8px;display:flex}.bs-na-option{font-family:var(--bs-font-body);color:#1f2937;cursor:pointer;background:#fffdf6;border:1.5px solid #c7b78a;border-radius:999px;align-items:center;gap:6px;padding:6px 18px;font-size:13.5px;font-weight:600;transition:background .16s,border-color .16s,color .16s,transform .12s,box-shadow .16s;display:inline-flex}.bs-na-option:hover:not(:disabled){background:#c7b78a2e;border-color:#8a8676}.bs-na-option:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bs-na-option:disabled{cursor:default}.bs-na-option--selected{color:#92400e;background:#f59e0b14;border-color:#f59e0b}.bs-na-option--correct{color:#047857;background:#10b98126;border-color:#10b981;box-shadow:0 0 0 2px #10b9812e}.bs-na-option--wrong{color:#991b1b;background:#dc26261a;border-color:#dc2626;animation:.38s cubic-bezier(.36,0,.32,1) both bs-na-wrong-shake}@keyframes bs-na-wrong-shake{0%{transform:translate(0)}20%{transform:translate(-4px)}40%{transform:translate(4px)}60%{transform:translate(-3px)}80%{transform:translate(2px)}to{transform:translate(0)}}.bs-na-option-mark{font-size:13px;font-weight:700}.bs-na-prediction-feedback{font-family:var(--bs-font-body);text-align:center;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin-top:6px;font-size:12.5px;display:flex}.bs-na-prediction-feedback--wrong{color:#991b1b}.bs-na-prediction-feedback--correct{color:#047857;font-weight:600}.bs-na-prediction-feedback--revealed{color:#6b5d3e;font-style:italic}.bs-na-hint-link{color:#f59e0b;cursor:pointer;background:0 0;border:none;padding:2px 4px;font-family:inherit;font-size:12.5px;font-weight:500;text-decoration:underline}.bs-na-hint-link:hover{color:#92400e}.bs-na-hint-link:focus-visible{outline-offset:2px;border-radius:4px;outline:2px solid #c7b78a}.bs-na-hint-body{color:#4b3f2a;text-align:center;max-width:560px;font-size:12.5px;font-style:italic;line-height:1.55;font-family:var(--bs-font-body);background:#fbf9ed;border:1px dashed #c7b78a;border-radius:8px;margin:8px auto 0;padding:8px 12px;animation:.22s both bs-na-hint-fade}@keyframes bs-na-hint-fade{0%{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:translateY(0)}}.bs-na-calc-wrap{animation:.28s both bs-na-calc-fade}@keyframes bs-na-calc-fade{0%{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:translateY(0)}}.bs-na-calc-divider{background:#e3dfce;height:1px;margin:10px 0}.bs-na-calc-label{font-family:var(--bs-font-body);color:#f59e0b;text-align:center;margin-bottom:6px;font-size:12.5px;font-weight:600}.bs-na-calc-eq{direction:ltr;flex-wrap:wrap;justify-content:center;align-items:baseline;gap:2px 4px;padding:4px 0;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:15.5px;display:flex}.bs-na-eq-label{color:#1f2937;font-weight:700}.bs-na-eq-eq{color:#1f2937;font-weight:600}.bs-na-eq-prev{color:#6b7280}.bs-na-eq-sign{color:#1f2937;font-weight:600}.bs-na-eq-paren{color:#8a8676}.bs-na-eq-unit{color:#6b7280;font-size:14px}.bs-na-input{width:6ch;min-width:56px;font-family:inherit;font-size:inherit;text-align:center;color:#1f2937;vertical-align:baseline;background:#fff;border:1.5px solid #9ca3af;border-radius:4px;margin:0 2px;padding:3px 6px;font-weight:600;transition:border-color .16s,background .16s,color .16s}.bs-na-input:focus{outline:none}.bs-na-input::placeholder{color:#b8af90;opacity:.8}.bs-na-input--correct{color:#047857!important;background:#dcfce7!important;border:2px solid #16a34a!important;font-weight:700!important}.bs-na-input--wrong{color:#991b1b!important;background:#fee2e2!important;border:2px solid #dc2626!important;font-weight:700!important}.bs-na-calc-hint-row{text-align:center;margin-top:6px}.bs-na-noeffect-conf{text-align:center;animation:.28s both bs-na-calc-fade}.bs-na-noeffect-text{font-family:var(--bs-font-body);color:#4b3f2a;background:#fbf9ed;border:1px dashed #c7b78a;border-radius:8px;margin-bottom:10px;padding:10px 14px;font-size:13.5px;line-height:1.65}.bs-na-noeffect-eq{color:#166534;margin-top:4px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:14px;font-weight:600;display:inline-block}.bs-na-back-row{text-align:center;margin-top:10px}.bs-na-back-btn{color:#8a8676;font-family:var(--bs-font-body);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:4px 10px;font-size:12px;font-weight:500;transition:color .16s,background .16s}.bs-na-back-btn:hover{color:#4b3f2a;background:#c7b78a1a}.bs-na-back-btn:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bs-na-success{text-align:center;padding:10px 6px 4px;animation:.36s both bs-na-success-fade}@keyframes bs-na-success-fade{0%{opacity:0}to{opacity:1}}.bs-na-celebrate{font-family:var(--bs-font-body);color:#047857;justify-content:center;align-items:center;gap:8px;margin-bottom:8px;font-size:14px;font-weight:600;animation:.36s cubic-bezier(.22,1.4,.36,1) both bs-na-celebrate-in,.4s 2.1s forwards bs-na-celebrate-out;display:flex}.bs-na-celebrate-mark{color:#059669;background:#10b98129;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:14px;font-weight:700;display:inline-flex}@keyframes bs-na-celebrate-in{0%{opacity:0;transform:scale(.85)translateY(-2px)}to{opacity:1;transform:scale(1)translateY(0)}}@keyframes bs-na-celebrate-out{to{opacity:0;transform:translateY(-2px)}}.bs-na-arrow-divider{color:#94a3b8;margin:4px 0;font-size:16px}.bs-na-confirm{color:#166534;justify-content:center;align-items:baseline;gap:8px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:18px;font-weight:700;animation:.36s cubic-bezier(.22,1.4,.36,1) both bs-na-confirm-pop;display:inline-flex}.bs-na-confirm-check{color:#16a34a;font-size:18px;text-decoration:none}.bs-na-confirm-eq{color:#166534}@keyframes bs-na-confirm-pop{0%{opacity:0;transform:scale(.85)}60%{opacity:1;transform:scale(1.08)}to{opacity:1;transform:scale(1)}}.bs-na-confirm-note{font-family:var(--bs-font-body);color:#15803d;margin:6px auto 0;font-size:13px;font-weight:500}@media (width<=640px){.bs-na-box,.bs-na-active{padding:10px}.bs-na-prediction-prompt{font-size:13px}.bs-na-option{padding:6px 14px;font-size:13px}.bs-na-calc-eq{font-size:14px}.bs-na-input{width:5ch;min-width:48px}.bs-na-sum-body{font-size:12.5px}.bs-na-confirm{font-size:17px}}@media (prefers-reduced-motion:reduce){.bs-na-summary,.bs-na-active,.bs-na-calc-wrap,.bs-na-noeffect-conf,.bs-na-success,.bs-na-celebrate,.bs-na-confirm,.bs-na-hint-body,.bs-na-option--wrong{animation:none}.bs-na-input{transition:none}}.bs-mo-wrapper{font-family:var(--bs-font-body);margin:8px 0;padding:8px 4px 12px}.bs-mo-header{flex-wrap:wrap;justify-content:center;align-items:baseline;gap:14px;margin-bottom:10px;display:flex}.bs-mo-title{font-family:var(--bs-font-body);color:#14181f;font-size:15px;font-weight:700}.bs-mo-progress{font-family:var(--bs-font-body);color:#6b7280;background:#c7b78a29;border-radius:999px;padding:2px 10px;font-size:12.5px;font-weight:500}.bs-mo-progress--done{color:#047857;background:#10b98126}.bs-mo-box{background:#fffdf6;border:1px solid #e3dfce;border-radius:10px;flex-direction:column;gap:10px;max-width:760px;margin:0 auto;padding:12px 14px;transition:background .32s,border-color .32s;display:flex;box-shadow:0 1px 2px #14181f0a}.bs-mo-start-card{background:#8b5cf60f;border:1px solid #8b5cf640;border-radius:8px;padding:8px 12px}.bs-mo-start-head{font-family:var(--bs-font-body);align-items:center;gap:8px;display:flex}.bs-mo-start-mark{color:#7c3aed;background:#8b5cf638;border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;font-size:10px;display:inline-flex}.bs-mo-start-title{color:#6b21a8;font-size:13px;font-weight:700}.bs-mo-start-body{font-family:var(--bs-font-body);color:#4c1d95;margin:4px 26px 0;font-size:12.5px;line-height:1.5}.bs-mo-summary{background:#10b98112;border:1px solid #10b98138;border-radius:8px;padding:8px 10px;animation:.26s both bs-mo-summary-fade}@keyframes bs-mo-summary-fade{0%{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:translateY(0)}}.bs-mo-sum-head{font-family:var(--bs-font-body);align-items:center;gap:8px;display:flex}.bs-mo-sum-mark{color:#047857;background:#10b9812e;border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;font-size:12px;font-weight:700;display:inline-flex}.bs-mo-sum-title{color:#047857;font-size:13px;font-weight:600;line-height:1.4}.bs-mo-sum-body{color:#166534;margin:4px 26px 0;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:13.5px}.bs-mo-sum-eq{display:inline-block}.bs-mo-active{background:#fff;border:1px solid #e3dfce;border-radius:8px;padding:12px 14px;animation:.55s cubic-bezier(.22,1,.36,1) both bs-mo-active-fade}@keyframes bs-mo-active-fade{0%{opacity:0;transform:translateY(14px)scale(.985)}to{opacity:1;transform:translateY(0)scale(1)}}.bs-mo-event-head{font-family:var(--bs-font-body);justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:8px;display:flex}.bs-mo-event-num{color:#8b5cf6;letter-spacing:.2px;font-size:13px;font-weight:700}.bs-mo-event-progress{color:#94a3b8;font-size:11.5px}.bs-mo-prediction{margin-bottom:4px}.bs-mo-prediction-prompt{font-family:var(--bs-font-body);color:#1f2937;text-align:center;margin-bottom:10px;font-size:14px;line-height:1.55}.bs-mo-prediction-options{flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:8px;display:flex}.bs-mo-option{font-family:var(--bs-font-body);color:#1f2937;cursor:pointer;background:#fffdf6;border:1.5px solid #c7b78a;border-radius:999px;align-items:center;gap:6px;padding:6px 18px;font-size:13.5px;font-weight:600;transition:background .16s,border-color .16s,color .16s,transform .12s,box-shadow .16s;display:inline-flex}.bs-mo-option:hover:not(:disabled){background:#c7b78a2e;border-color:#8a8676}.bs-mo-option:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bs-mo-option:disabled{cursor:default}.bs-mo-option--selected{color:#6b21a8;background:#8b5cf614;border-color:#8b5cf6}.bs-mo-option--correct{color:#047857;background:#10b98126;border-color:#10b981;box-shadow:0 0 0 2px #10b9812e}.bs-mo-option--wrong{color:#991b1b;background:#dc26261a;border-color:#dc2626;animation:.38s cubic-bezier(.36,0,.32,1) both bs-mo-wrong-shake}@keyframes bs-mo-wrong-shake{0%{transform:translate(0)}20%{transform:translate(-4px)}40%{transform:translate(4px)}60%{transform:translate(-3px)}80%{transform:translate(2px)}to{transform:translate(0)}}.bs-mo-option-mark{font-size:13px;font-weight:700}.bs-mo-prediction-feedback{font-family:var(--bs-font-body);text-align:center;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin-top:6px;font-size:12.5px;display:flex}.bs-mo-prediction-feedback--wrong{color:#991b1b}.bs-mo-prediction-feedback--correct{color:#047857;font-weight:600}.bs-mo-prediction-feedback--revealed{color:#6b5d3e;font-style:italic}.bs-mo-hint-link{color:#8b5cf6;cursor:pointer;background:0 0;border:none;padding:2px 4px;font-family:inherit;font-size:12.5px;font-weight:500;text-decoration:underline}.bs-mo-hint-link:hover{color:#6b21a8}.bs-mo-hint-link:focus-visible{outline-offset:2px;border-radius:4px;outline:2px solid #c7b78a}.bs-mo-hint-body{color:#4b3f2a;text-align:center;max-width:560px;font-size:12.5px;font-style:italic;line-height:1.55;font-family:var(--bs-font-body);background:#fbf9ed;border:1px dashed #c7b78a;border-radius:8px;margin:8px auto 0;padding:8px 12px;animation:.22s both bs-mo-hint-fade}@keyframes bs-mo-hint-fade{0%{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:translateY(0)}}.bs-mo-calc-wrap{animation:.28s both bs-mo-calc-fade}@keyframes bs-mo-calc-fade{0%{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:translateY(0)}}.bs-mo-calc-divider{background:#e3dfce;height:1px;margin:10px 0}.bs-mo-calc-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:16px;display:flex}.bs-mo-calc-side{flex:320px;min-width:280px}.bs-mo-shape-side{flex:none;justify-content:center;align-items:center;display:flex}.bs-mo-shape-wrap{background:#fffdf6;border:1px solid #e3dfce;border-radius:8px;padding:6px 8px}.bs-mo-calc-label{font-family:var(--bs-font-body);color:#8b5cf6;text-align:center;margin-bottom:6px;font-size:12.5px;font-weight:600}.bs-mo-calc-eq{direction:ltr;flex-wrap:wrap;justify-content:center;align-items:baseline;gap:2px 4px;padding:4px 0;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:15.5px;display:flex}.bs-mo-eq-label{color:#1f2937;font-weight:700}.bs-mo-eq-eq{color:#1f2937;font-weight:600}.bs-mo-eq-prev{color:#6b7280}.bs-mo-eq-sign{color:#1f2937;font-weight:600}.bs-mo-eq-paren{color:#8a8676}.bs-mo-eq-times{color:#6b5d3e;margin:0 4px}.bs-mo-eq-divider{color:#6b5d3e;font-weight:600}.bs-mo-eq-unit{color:#6b7280;font-size:14px}.bs-mo-input{width:6ch;min-width:60px;font-family:inherit;font-size:inherit;text-align:center;color:#1f2937;vertical-align:baseline;background:#fff;border:1.5px solid #9ca3af;border-radius:4px;margin:0 2px;padding:3px 6px;font-weight:600;transition:border-color .16s,background .16s,color .16s}.bs-mo-input:focus{outline:none}.bs-mo-input::placeholder{color:#b8af90;opacity:.8;font-weight:500}.bs-mo-input--correct{color:#047857!important;background:#dcfce7!important;border:2px solid #16a34a!important;font-weight:700!important}.bs-mo-input--wrong{color:#991b1b!important;background:#fee2e2!important;border:2px solid #dc2626!important;font-weight:700!important}.bs-sa-auto-result{color:#6b7280;text-align:center;background:0 0;border:1px dashed #c7b78a;border-radius:4px;min-width:60px;padding:3px 10px;font-weight:600;transition:color .2s,background .2s,border-color .2s;display:inline-block}.bs-sa-auto-result.is-shown{color:#047857;background:#dcfce7;border:1.5px solid #16a34a}.bs-mo-calc-hint-row{text-align:center;margin-top:6px}.bs-mo-noeffect-conf{text-align:center;animation:.28s both bs-mo-calc-fade}.bs-mo-noeffect-text{font-family:var(--bs-font-body);color:#4b3f2a;background:#fbf9ed;border:1px dashed #c7b78a;border-radius:8px;margin-bottom:10px;padding:10px 14px;font-size:13.5px;line-height:1.65}.bs-mo-noeffect-eq{color:#166534;margin-top:4px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:14px;font-weight:600;display:inline-block}.bs-mo-continue-btn{color:#fff;font-family:var(--bs-font-body);cursor:pointer;background:#8b5cf6;border:1.5px solid #8b5cf6;border-radius:999px;padding:6px 18px;font-size:13px;font-weight:600;transition:background .16s,transform .12s}.bs-mo-continue-btn:hover{background:#6b21a8;border-color:#6b21a8}.bs-mo-continue-btn:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bs-mo-momentcard{background:#fff;border:1.5px solid;border-radius:10px;flex-direction:column;align-items:center;gap:4px;width:184px;padding:8px 10px;display:flex}.bs-mo-momentcard--up{background:#2563eb0d;border-color:#2563eb}.bs-mo-momentcard--down{background:#ef44440d;border-color:#ef4444}.bs-mo-momentcard-title{font-family:var(--bs-font-body);color:#1d4ed8;letter-spacing:.2px;text-align:center;font-size:12.5px;font-weight:600}.bs-mo-momentcard--down .bs-mo-momentcard-title{color:#b91c1c}.bs-mo-momentcard-glyph{color:#2563eb;padding:2px 0;font-size:40px;font-weight:700;line-height:1}.bs-mo-momentcard--down .bs-mo-momentcard-glyph{color:#ef4444}.bs-mo-momentcard-value{color:#1f2937;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:13.5px;font-weight:700}.bs-mo-momentcard-dir{font-family:var(--bs-font-body);color:#6b7280;font-size:11.5px}.bs-mo-success{text-align:center;padding:10px 6px 4px;animation:.36s both bs-mo-success-fade}@keyframes bs-mo-success-fade{0%{opacity:0}to{opacity:1}}.bs-mo-celebrate{font-family:var(--bs-font-body);color:#047857;justify-content:center;align-items:center;gap:8px;margin-bottom:8px;font-size:14px;font-weight:600;animation:.36s cubic-bezier(.22,1.4,.36,1) both bs-mo-celebrate-in,.4s 2.1s forwards bs-mo-celebrate-out;display:flex}.bs-mo-celebrate-mark{color:#059669;background:#10b98129;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:14px;font-weight:700;display:inline-flex}@keyframes bs-mo-celebrate-in{0%{opacity:0;transform:scale(.85)translateY(-2px)}to{opacity:1;transform:scale(1)translateY(0)}}@keyframes bs-mo-celebrate-out{to{opacity:0;transform:translateY(-2px)}}.bs-mo-arrow-divider{color:#94a3b8;margin:4px 0;font-size:16px}.bs-mo-confirm{color:#166534;justify-content:center;align-items:baseline;gap:8px;font-family:Heebo,Assistant,system-ui,sans-serif;font-size:18px;font-weight:700;animation:.36s cubic-bezier(.22,1.4,.36,1) both bs-mo-confirm-pop;display:inline-flex}.bs-mo-confirm-check{color:#16a34a;font-size:18px;text-decoration:none}.bs-mo-confirm-eq{color:#166534}@keyframes bs-mo-confirm-pop{0%{opacity:0;transform:scale(.85)}60%{opacity:1;transform:scale(1.08)}to{opacity:1;transform:scale(1)}}.bs-mo-confirm-note{font-family:var(--bs-font-body);color:#15803d;margin:6px auto 0;font-size:13px;font-weight:500}@media (width<=720px){.bs-mo-box,.bs-mo-active{padding:10px}.bs-mo-prediction-prompt{font-size:13px}.bs-mo-option{padding:6px 14px;font-size:13px}.bs-mo-calc-eq{font-size:14px}.bs-mo-input{width:5ch;min-width:52px}.bs-mo-sum-body{font-size:12.5px}.bs-mo-confirm{font-size:17px}.bs-mo-calc-side{min-width:240px}}@media (prefers-reduced-motion:reduce){.bs-mo-summary,.bs-mo-active,.bs-mo-calc-wrap,.bs-mo-success,.bs-mo-celebrate,.bs-mo-confirm,.bs-mo-hint-body,.bs-mo-option--wrong{animation:none}.bs-mo-input{transition:none}}.bs-mini-rxn-wrapper{background:#fffdf6;border:1px solid #e3dfce;border-radius:10px;max-width:520px;margin:12px auto;padding:8px 12px;box-shadow:0 1px 2px #14181f0a}.bs-mini-rxn-caption{font-family:var(--bs-font-body);color:#6b5d3e;text-align:center;margin:2px 0 6px;font-size:12.5px;line-height:1.45}.bs-mini-rxn-svg{width:100%;height:auto;max-height:240px;display:block}@media (width<=640px){.bs-mini-rxn-wrapper{max-width:380px;margin:10px auto;padding:6px 10px}}@media (width<=380px){.bs-mini-rxn-wrapper{max-width:100%}}.bs-rxn-wrapper{margin:8px 0 12px;font-family:Heebo,Assistant,system-ui,sans-serif;display:block}.bs-rxn-title{text-align:center;color:#14181f;margin:8px 0 6px;font-family:Heebo,Assistant,system-ui,sans-serif}.bs-rxn-title-main{font-size:16px;font-weight:700}.bs-rxn-title-aux{color:#6b7280;font-size:13px;font-weight:500}.bs-rxn-equation{direction:ltr;flex-direction:column;align-items:center;gap:4px;padding:6px 4px;display:flex}.bs-rxn-row{align-items:baseline;gap:2px;font-size:15px;display:inline-flex}.bs-rxn-sign{color:#1f2937;text-align:center;width:18px;font-weight:600;display:inline-block}.bs-rxn-paren{color:#8a8676;margin:0 2px}.bs-rxn-times{color:#1f2937;margin:0 2px}.bs-rxn-unknown{color:#047857;margin:0 2px;font-weight:700}.bs-rxn-rhs{color:#1f2937;margin-left:18px;font-size:15px;font-weight:600}.bs-rxn-input{width:4.5ch;min-width:44px;font-family:inherit;font-size:inherit;text-align:center;color:#1f2937;vertical-align:baseline;background:0 0;border:none;border-bottom:1.5px dashed #c7b78a;margin:0 1px;padding:1px 4px;transition:border-color .16s,background .16s,color .16s}.bs-rxn-input:focus{background:#c7b78a1a;border-bottom-style:solid;border-bottom-color:#8a8676;outline:none}.bs-rxn-input::placeholder{color:#b8af90;opacity:.8}.bs-rxn-input--correct{color:#047857;border-bottom:1.5px solid #10b981;font-weight:600}.bs-rxn-input--wrong{background:#b88a4a0f;border-bottom:1.5px solid #b88a4a}.bs-rxn-diag{max-width:560px;font-family:var(--bs-font-body);flex-direction:column;gap:8px;margin:12px auto 0;font-size:13px;line-height:1.5;animation:.22s both bs-rxn-diag-fade;display:flex}@keyframes bs-rxn-diag-fade{0%{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:translateY(0)}}.bs-rxn-diag-group{background:#c7b78a0f;border-radius:6px;flex-direction:column;gap:4px;padding:6px 8px;display:flex}.bs-rxn-diag-row{text-align:center;flex-direction:column;gap:4px;display:flex}.bs-rxn-diag-head{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;display:inline-flex}.bs-rxn-diag-mark{border-radius:50%;flex:none;justify-content:center;align-items:center;width:18px;height:18px;font-size:12px;font-weight:700;display:inline-flex}.bs-rxn-diag-row--correct .bs-rxn-diag-mark{color:#059669;background:#10b98129}.bs-rxn-diag-row--wrong .bs-rxn-diag-mark{color:#8a5a1a;background:#b88a4a29}.bs-rxn-diag-row--correct .bs-rxn-diag-text{color:#047857;font-weight:500}.bs-rxn-diag-row--wrong .bs-rxn-diag-text{color:#6b5d3e;font-weight:500}.bs-rxn-hint-btn{color:#5b5747;cursor:pointer;background:0 0;border:1px solid #cfc9b4;border-radius:999px;padding:2px 10px;font-family:inherit;font-size:12px;font-weight:500;transition:background .14s,border-color .14s,color .14s}.bs-rxn-hint-btn:hover{color:#1f2430;background:#c7b78a2e;border-color:#8a8676}.bs-rxn-hint-btn:focus-visible{outline-offset:2px;outline:2px solid #c7b78a}.bs-rxn-hint-body{color:#4b3f2a;text-align:center;background:#fbf9ed;border:1px dashed #c7b78a;border-radius:8px;max-width:480px;margin:4px auto 2px;padding:8px 12px;font-size:12.5px;font-style:italic;line-height:1.55;animation:.2s both bs-rxn-hint-fade}@keyframes bs-rxn-hint-fade{0%{opacity:0;transform:translateY(-2px)}to{opacity:1;transform:translateY(0)}}.bs-rxn-success{background:#10b9810b;border-radius:8px;margin-top:8px;padding:10px 12px;animation:.32s both bs-rxn-success-fade}@keyframes bs-rxn-success-fade{0%{opacity:0}to{opacity:1}}.bs-rxn-celebrate{font-family:var(--bs-font-body);color:#047857;justify-content:center;align-items:center;gap:8px;margin:4px 0 12px;font-size:14px;font-weight:600;animation:.36s cubic-bezier(.22,1.4,.36,1) both bs-rxn-celebrate-in,.4s 2.1s forwards bs-rxn-celebrate-out;display:flex}.bs-rxn-celebrate-mark{color:#059669;background:#10b98129;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:14px;font-weight:700;display:inline-flex}@keyframes bs-rxn-celebrate-in{0%{opacity:0;transform:scale(.85)translateY(-2px)}to{opacity:1;transform:scale(1)translateY(0)}}@keyframes bs-rxn-celebrate-out{to{opacity:0;transform:translateY(-2px)}}.bs-rxn-academic{margin-top:4px}@media (width<=640px){.bs-rxn-row{font-size:14px}.bs-rxn-input{width:4ch;min-width:38px;padding:1px 3px}.bs-rxn-diag{font-size:12.5px}.bs-rxn-hint-body{font-size:12px}}@media (prefers-reduced-motion:reduce){.bs-rxn-celebrate,.bs-rxn-diag,.bs-rxn-hint-body,.bs-rxn-success{animation:none}.bs-rxn-input{transition:none}}
