@import"https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700;800&family=Playfair+Display:ital,wght@1,600&display=swap";:root{font-family:Manrope,system-ui,sans-serif;color:#e9edf7;background:#070b15;font-synthesis:none;--ink: #e9edf7;--muted: #aeb8ca;--panel: #0c1220;--panel-2: #101828;--line: #30415d;--mint: #68f5c4;--violet: #9f86ff;--orange: #ffad66}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:radial-gradient(circle at 75% 8%,#172047 0,transparent 23%),#070b15}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit}a{color:inherit;text-decoration:none}.app-shell{overflow:hidden}.topbar{height:70px;display:flex;align-items:center;max-width:1240px;padding:0 24px;margin:auto;border-bottom:1px solid rgba(255,255,255,.07);gap:46px}.brand{display:flex;align-items:center;gap:10px;font-size:14px;letter-spacing:.14em;border:0;background:transparent;cursor:pointer;padding:0}.brand b{color:var(--mint)}.brand-mark{width:35px;height:35px;border:1px solid #35405a;display:grid;place-items:center;border-radius:50%;color:var(--mint)}nav{display:flex;gap:28px;color:#99a4b9;font-size:12px;margin-left:auto}nav a:hover{color:var(--ink)}.header-badge{font:10px DM Mono;text-transform:uppercase;letter-spacing:.1em;border:1px solid #28334a;border-radius:20px;padding:8px 12px;color:#adb6c8}main{max-width:1180px;margin:auto;padding:0 24px}.hero{min-height:235px;padding:30px 0 26px;position:relative}.eyebrow,.section-kicker{font:500 10px DM Mono;letter-spacing:.18em;color:var(--mint)}.eyebrow{display:flex;align-items:center;gap:8px}h1{font-size:clamp(34px,3.8vw,48px);line-height:1;letter-spacing:-.04em;margin:10px 0;max-width:610px}h1 em,.complexity-section h2 em{font-family:Playfair Display,serif;font-weight:600;color:var(--violet)}.hero-subtitle{color:var(--violet);max-width:610px;font-size:18px;line-height:1.4;margin:0 0 10px}.hero-description{color:#9ba5b9;max-width:610px;font-size:14px;line-height:1.6;margin:0}.hero-actions{display:flex;align-items:center;gap:20px;margin-top:14px}.hero-actions>span{font:10px DM Mono;color:#808ba0;display:flex;align-items:center;gap:8px;text-transform:uppercase}.hero-actions i{width:6px;height:6px;border-radius:50%;background:var(--mint);box-shadow:0 0 8px var(--mint)}.hero-lab-link{color:#aab5c8;font-size:11px;text-decoration:underline;text-underline-offset:4px}.button{border:0;border-radius:5px;padding:12px 18px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;cursor:pointer}.button.primary{background:var(--mint);color:#07120f}.button:disabled{opacity:.4;cursor:not-allowed}.hero-orbit{position:absolute;width:160px;height:160px;right:4%;top:24px;opacity:.45}.hero-orbit .orbit-one{top:18px;right:18px;bottom:18px;left:18px}.hero-orbit .orbit-two{top:40px;right:0;bottom:40px;left:0}.hero-orbit .orbit-core{top:58px;right:58px;bottom:58px;left:58px}.orbit{position:absolute;top:30px;right:30px;bottom:30px;left:30px;border:1px solid #273253;border-radius:50%;animation:spin 14s linear infinite}.orbit-two{top:75px;right:0;bottom:75px;left:0;transform:rotate(55deg);animation-duration:9s;animation-direction:reverse}.orbit span{width:9px;height:9px;border-radius:50%;background:var(--violet);position:absolute;top:15%;left:10%;box-shadow:0 0 20px var(--violet)}.orbit-two span{background:var(--mint);top:72%;left:94%}.orbit-core{position:absolute;top:120px;right:120px;bottom:120px;left:120px;background:radial-gradient(circle,#273565,#11182e 65%);border:1px solid #3e4e7b;border-radius:50%;display:grid;place-items:center;color:var(--mint);box-shadow:0 0 60px #4a55a630}@keyframes spin{to{transform:rotate(360deg)}}.learning-journey{margin:20px 0 55px;padding:34px;border:1px solid var(--line);background:linear-gradient(135deg,#10182a,#0a101c);border-radius:8px}.journey-intro{display:flex;justify-content:space-between;gap:30px;align-items:end}.journey-intro h2{font-size:30px;letter-spacing:-.035em;margin:10px 0 0}.journey-intro>p{max-width:330px;color:#7f8ba0;font-size:11px;line-height:1.5;text-align:right}.module-nav{display:grid;grid-template-columns:repeat(10,1fr);gap:5px;margin:28px 0 18px}.module-nav button{min-width:0;height:54px;padding:5px;border:1px solid #27344a;background:#0b111e;color:#7b879b;border-radius:3px;font-size:8px;cursor:pointer;position:relative}.module-nav button>span{display:block;color:#526078;font:7px DM Mono;margin-bottom:4px}.module-nav button>svg{position:absolute;right:4px;top:4px;color:#4e826f}.module-nav button.active{color:#08120f;background:var(--mint);border-color:var(--mint)}.module-nav button.active>span,.module-nav button.active>svg{color:#145344}.module-lesson{display:grid;grid-template-columns:.72fr 1.35fr .8fr;border:1px solid #263248;background:#090f1a}.module-lesson>*{padding:25px}.module-lesson>*+*{border-left:1px solid #202b3e}.module-lesson header>span,.module-lesson aside>span,.module-comparison span,.live-module-experiment>span{color:var(--mint);font:8px DM Mono;letter-spacing:.1em;text-transform:uppercase}.module-lesson h3{font-size:24px;margin:10px 0}.module-lesson header p{color:var(--violet);font-family:Playfair Display,serif;font-style:italic;line-height:1.5}.module-explanation>p,.module-lesson aside p{color:#9aa5b7;font-size:11px;line-height:1.7;margin-top:0}.module-comparison{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:17px}.module-comparison>div{padding:13px;background:#101827;border-top:2px solid var(--orange)}.module-comparison>div+div{border-color:var(--mint)}.module-comparison p{color:#8793a7;font-size:9px;line-height:1.55;margin-bottom:0}.module-lesson aside{background:#101522}.module-lesson aside a{display:inline-flex;align-items:center;gap:4px;color:var(--mint);font-size:10px;font-weight:700}.live-module-experiment{display:grid;grid-template-columns:auto auto 1fr;gap:12px 20px;align-items:center;margin-top:12px;padding:13px 16px;border-left:2px solid var(--violet);background:#101426}.live-module-experiment b{font:9px DM Mono;color:#c5cddd}.live-module-experiment p{margin:0;color:#7f8ba0;font-size:9px}.live-module-experiment strong{grid-column:1 / 4;color:var(--orange);font-size:10px}.panel,.search-panel,.teaching-card,.equation-card{background:linear-gradient(135deg,#101828fa,#0a0f1bfa);border:1px solid var(--line);border-radius:8px}.setup{padding:30px}.setup h2,.section-intro h2{margin:8px 0 0;font-size:27px;letter-spacing:-.035em}.setup-controls{margin-top:25px;display:grid;grid-template-columns:1fr 1.2fr auto;gap:18px;align-items:end}.size-slider{min-width:180px}.size-slider input{width:100%;accent-color:var(--mint)}.size-slider span{display:block;margin-top:4px;color:var(--mint);font-size:11px}label{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:#7f899e}select,input[type=number]{margin-top:8px;width:100%;background:#080d18;color:var(--ink);border:1px solid #29364c;padding:11px 12px;border-radius:4px;outline:0}select:focus,input:focus{border-color:var(--mint)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--mint);outline-offset:3px}.target-input{display:flex}.target-input input{border-radius:4px 0 0 4px}.target-input button{margin-top:8px;border:1px solid #29364c;border-left:0;border-radius:0 4px 4px 0;background:#141d2d;color:#bac3d4;padding:0 14px;display:flex;align-items:center;gap:7px;cursor:pointer}.mode-chip{height:40px;border:1px solid #33405a;border-radius:20px;padding:0 13px;display:flex;align-items:center;gap:8px;font:10px DM Mono;white-space:nowrap}.mode-chip span{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 7px var(--mint)}.mode-chip.analytical span{background:var(--orange);box-shadow:0 0 7px var(--orange)}.comparison{display:grid;grid-template-columns:1fr 30px 1fr;gap:12px;margin-top:26px;align-items:stretch}.versus{display:grid;place-items:center;color:#515d73;font:10px DM Mono}.search-panel{padding:25px;min-width:0}.search-panel>header{display:grid;grid-template-columns:auto 1fr auto;gap:13px;align-items:center}.panel-icon{width:38px;height:38px;border:1px solid #36415a;display:grid;place-items:center;border-radius:50%;color:var(--orange)}.quantum .panel-icon{color:var(--mint)}.search-panel header span{font:9px DM Mono;color:#67738a;letter-spacing:.1em}.search-panel h3{font-size:20px;margin:2px 0}.search-panel header p{font-size:11px;color:#7e899f;margin:0}.query-count{text-align:right}.query-count b{display:block;font:27px DM Mono}.query-count span{display:block;max-width:70px}.probability-meter{display:grid;grid-template-columns:1fr auto;gap:7px;margin:25px 0 18px;font-size:10px;color:#828da3}.probability-meter b{color:var(--ink);font:12px DM Mono}.probability-meter div{grid-column:1 / 3;height:3px;background:#202a3c}.probability-meter i{display:block;height:100%;background:var(--orange);transition:width .45s ease}.quantum .probability-meter i{background:var(--mint);box-shadow:0 0 10px #68f5c477}.classical-viz,.quantum-viz{height:180px;background:#080d18;border:1px solid #192438;border-radius:5px;padding:16px;position:relative;display:flex;gap:3px;align-items:center;overflow:hidden}.classical-viz{flex-wrap:wrap;align-content:center}.classical-viz span{flex:0 0 calc(12.5% - 3px);height:25px;border:1px solid #212c40;display:grid;place-items:center;font:8px DM Mono;color:#566177}.classical-viz span.checked{background:#192131;color:#929bad}.classical-viz span.target{background:var(--orange);color:#261303;border-color:var(--orange)}.classical-viz small{width:100%;color:#566177;font-size:9px;text-align:center}.scan-line{position:absolute;top:9px;bottom:9px;width:1px;background:var(--orange);box-shadow:0 0 8px var(--orange);transition:left .4s;z-index:2}.view-controls{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px 14px;margin:0 0 8px;padding:0;border:0}.view-controls legend{width:100%;text-align:right;color:#69758a;font-size:9px;text-transform:uppercase}.view-controls label{display:inline-flex;align-items:center;gap:5px;color:#aab4c4;font-size:10px;text-transform:capitalize;cursor:pointer}.view-controls input{accent-color:var(--mint)}.visible-quantum-views{display:grid;gap:10px}.quantum-view h4{margin:0 0 5px;color:#7f8ba0;font-size:9px;text-transform:uppercase;letter-spacing:.08em}.views-empty{min-height:120px;display:grid;place-items:center;border:1px dashed #26344a;color:#7f8ba0;text-align:center}.zero-line{position:absolute;left:10px;right:10px;top:50%;height:1px;background:#293348}.qbar{flex:1;height:100%;position:relative;min-width:2px}.qbar i{position:absolute;left:15%;right:15%;background:#6e7c99;transition:height .45s,bottom .45s;border-radius:2px 2px 0 0}.qbar i.negative{background:var(--violet);border-radius:0 0 2px 2px}.qbar.target i{background:var(--mint);box-shadow:0 0 10px #68f5c444}.qbar small,.phasor small{position:absolute;bottom:-3px;left:50%;transform:translate(-50%);font:7px DM Mono;color:#4f5b70}.quantum-viz.probabilities .qbar i{bottom:8%!important}.quantum-viz.phasors{flex-wrap:wrap;align-content:center}.phasor{width:28px;height:28px;border:1px solid #29354b;border-radius:50%;position:relative;margin:3px}.phasor i{position:absolute;width:1px;height:11px;background:#8b96ac;left:50%;top:50%;transform-origin:50% 0}.phasor.target{border-color:var(--mint)}.phasor.target i{background:var(--mint)}.phasor small{bottom:-10px}.analytical-viz{height:211px;border:1px solid #192438;background:#080d18;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:20px;color:var(--mint)}.analytical-viz p{max-width:330px;color:#758197;font-size:11px}.analytical-viz>div{height:75px;width:45px;border-bottom:1px solid #334057;position:relative}.analytical-viz i{width:22px;left:12px;bottom:0;position:absolute;background:var(--mint);transition:height .4s}.analytical-viz span{position:absolute;top:78px;left:-6px;font:8px DM Mono;white-space:nowrap}.mini-stats,.geometry-stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);margin-top:18px;padding-top:16px;gap:12px}.mini-stats>div,.geometry-stats>div{min-width:0}.mini-stats span,.geometry-stats span{display:block;color:#68748b;font-size:8px;text-transform:uppercase;letter-spacing:.08em}.mini-stats b,.geometry-stats b{display:block;font:11px DM Mono;margin-top:5px;text-transform:capitalize;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mini-stats .accent b,.geometry-stats .accent b{color:var(--mint)}.control-dock{position:sticky;bottom:15px;z-index:5;margin:22px auto;min-height:62px;border:1px solid #28354c;border-radius:8px;background:#0a101ced;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;box-shadow:0 15px 50px #0008}.icon-button,.play-button,.text-button{border:1px solid #2b374d;background:#111a2a;border-radius:4px;height:38px;min-width:38px;display:grid;place-items:center;cursor:pointer}.play-button{border-radius:50%;background:var(--mint);color:#07120f;border:0;width:42px}.text-button{padding:0 13px;color:#abb5c7;font-size:10px}.text-button.measure{color:var(--mint);border-color:#3c796b}.text-button:disabled{opacity:.3;cursor:not-allowed}.dock-divider{width:1px;height:26px;background:#283348;margin:0 5px}.speed-control{display:flex;align-items:center;gap:8px;margin-left:7px}.speed-control input{width:75px;accent-color:var(--mint)}.audit-error,.measurement-result{border:1px solid #663c42;background:#231419;padding:11px 14px;border-radius:5px;font:10px DM Mono;color:#ff9d9d;margin:12px 0}.auto-run-note{margin:-8px 0 20px;text-align:center;color:#738097;font:9px DM Mono;text-transform:uppercase;letter-spacing:.08em}.timeline-card{padding:20px 24px;margin-top:24px;border:1px solid var(--line);border-radius:8px;background:linear-gradient(135deg,#101828fa,#0a0f1bfa)}.timeline-card>div:first-child{display:flex;align-items:baseline;justify-content:space-between;gap:20px;padding-bottom:12px}.timeline-card h2{font-size:20px;margin:0}.operation-timeline{list-style:none;display:grid;padding:0;margin:0;border:1px solid #26354c;border-radius:6px;overflow:hidden}.operation-timeline li{display:grid;grid-template-columns:34px minmax(260px,1fr) minmax(300px,.8fr);gap:14px;align-items:center;padding:11px 14px;border-top:1px solid #26354c;background:#0a111e}.operation-timeline li:first-child{border-top:0}.operation-timeline li:last-child{color:var(--mint);background:#0d1c1a}.timeline-marker{position:static;width:28px;height:28px;border:1px solid #66738a;background:#111a2a;border-radius:50%;display:grid;place-items:center;color:#c1cad8;font:10px DM Mono}.operation-timeline li:last-child .timeline-marker{border-color:var(--mint);color:var(--mint);box-shadow:0 0 9px #68f5c444}.operation-timeline b{display:block;font-size:12px;margin:0}.operation-timeline p{color:#aeb8ca;font-size:11px;line-height:1.4;margin:3px 0 0}.operation-timeline dl{display:grid;grid-template-columns:1.5fr .7fr .7fr;gap:12px;margin:0}.operation-timeline dl>div{display:block;border:0;padding:0}.operation-timeline dt{font-size:8px;text-transform:uppercase;color:#8794a9}.operation-timeline dd{font:10px DM Mono;margin-top:3px;color:#c1cad8;overflow-wrap:anywhere}.scientific-inspector{margin-top:24px;padding:30px;border:1px solid var(--line);border-radius:8px;background:#0b111e}.inspector-heading{display:flex;justify-content:space-between;align-items:end;gap:30px}.inspector-heading h2{font-size:24px;margin:8px 0 0}.inspector-heading p{max-width:430px;color:#8b96aa;font-size:11px;line-height:1.6;margin:0}.mean-guide{min-height:68px;display:grid;grid-template-columns:3px 180px 1fr;align-items:center;gap:18px;margin:25px 0 15px;padding:13px 18px;border:1px solid #27453f;background:#0c1a18}.mean-guide>span{width:3px;height:40px;background:var(--mint);box-shadow:0 0 12px #68f5c477}.mean-guide small,.state-comparison span{color:#718096;font-size:8px;text-transform:uppercase;letter-spacing:.08em;display:block}.mean-guide b{display:block;margin-top:5px;color:var(--mint);font:12px DM Mono}.mean-guide p{color:#8d9aab;font-size:10px}.mean-guide code{color:#c8d3df}.state-comparison{display:grid;grid-template-columns:1fr auto 1fr;gap:18px;align-items:center;padding:15px 18px;background:#101827;border:1px solid #222e42;margin-bottom:15px}.state-comparison>svg{color:var(--violet)}.state-comparison b{display:block;margin:5px 0;font:12px DM Mono}.state-comparison small{color:#758197;font:9px DM Mono}.state-table-wrap{overflow-x:auto;border:1px solid #202c40}.state-table-wrap table{width:100%;border-collapse:collapse;min-width:650px}.state-table-wrap th,.state-table-wrap td{text-align:left;padding:10px 13px;border-bottom:1px solid #1b2638;font:10px DM Mono}.state-table-wrap thead th{color:#728097;background:#0e1624;font-size:8px;text-transform:uppercase;letter-spacing:.08em}.state-table-wrap tbody th{color:#aab5c6}.state-table-wrap td{color:#8d99ac}.state-table-wrap .target-row{background:#10231e}.state-table-wrap .target-row th,.state-table-wrap .target-row td{color:var(--mint)}.state-table-wrap .target-row th span{border:1px solid #397064;border-radius:10px;padding:2px 5px;margin-left:6px;font-size:7px;text-transform:uppercase}.table-pagination{display:flex;justify-content:flex-end;align-items:center;gap:12px;padding:9px 12px;background:#0d1421}.table-pagination button{border:1px solid #2b374c;background:#131d2d;color:#aab4c5;border-radius:3px;padding:6px 9px;font-size:8px;cursor:pointer}.table-pagination button:disabled{opacity:.35;cursor:not-allowed}.table-pagination span{color:#69768c;font:8px DM Mono}.analytical-table-note{display:flex;align-items:center;gap:17px;margin-top:25px;padding:23px;border:1px solid #594c2c;background:#1c190f;color:var(--orange)}.analytical-table-note p{color:#8f96a4;font-size:10px;margin:5px 0 0}.measurement-result{display:flex;align-items:center;gap:12px;border-color:#61522c;background:#211d12;color:#ffd98b}.measurement-result.success{border-color:#2b6758;background:#0d211b;color:var(--mint)}.measurement-result span{display:block;font-family:Manrope;color:#9da7b8;margin-top:3px}.teaching-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;margin-top:60px}.teaching-card,.equation-card{padding:30px}.teaching-header{display:flex;align-items:center;gap:14px;margin-top:25px}.operation-icon{width:46px;height:46px;display:grid;place-items:center;border:1px solid #3a4863;border-radius:50%;color:var(--mint)}.teaching-header span{color:#67738a;font-size:9px;text-transform:uppercase}.teaching-header h3{margin:3px 0;font-size:22px}.teaching-card>p{color:#9aa5b8;font-size:13px;line-height:1.7}dl{margin:22px 0}dl>div{display:grid;grid-template-columns:100px 1fr;border-top:1px solid #202b3d;padding:11px 0}dt{color:#78849a;font-size:10px}dd{margin:0;color:#bdc6d5;font-size:11px;line-height:1.5}.toggle{display:flex;align-items:center;gap:8px;cursor:pointer}.toggle input{display:none}.toggle>span{width:28px;height:15px;background:#283348;border-radius:10px;position:relative}.toggle>span:after{content:"";width:9px;height:9px;background:#748096;border-radius:50%;position:absolute;top:3px;left:3px;transition:.2s}.toggle input:checked+span{background:#285f54}.toggle input:checked+span:after{left:16px;background:var(--mint)}.card-top{display:flex;justify-content:space-between}.equations{margin-top:30px}.equations>div{padding:14px 16px;border-left:2px solid #253147;background:#090f1b;margin:8px 0}.equations>div.current{border-color:var(--mint);background:#0d1c1a}.equations span{display:block;color:#69758b;font-size:8px;text-transform:uppercase;margin-bottom:8px}.equations code{font:13px DM Mono;color:#c8d0dd}.muted{color:var(--muted);font-size:12px;margin-top:40px}.geometry-section,.complexity-section{margin-top:120px;display:grid;grid-template-columns:.85fr 1.15fr;align-items:center;gap:70px}.section-intro h2{font-size:38px;margin:13px 0 20px}.section-intro p{color:#8c97ac;line-height:1.7;font-size:13px}.grover-plane{width:100%;max-width:430px;justify-self:center}.plane-ring{fill:none;stroke:#2c3951;stroke-dasharray:3 5}.plane-axis{stroke:#27334a}.grover-plane text{fill:#707c92;font:9px DM Mono}.state-vector{stroke:var(--mint);stroke-width:2;filter:drop-shadow(0 0 6px #68f5c4aa);transition:d .5s}.state-point{fill:var(--mint);filter:drop-shadow(0 0 7px #68f5c4);transition:cx .5s,cy .5s}.grover-plane .state-label{fill:var(--mint)}.geometry-stats{grid-column:2;width:100%}.complexity-section{grid-template-columns:.7fr 1.3fr}.chart-wrap{background:#0a101c;border:1px solid #1d293c;padding:15px;border-radius:6px}.complexity-chart{width:100%}.complexity-chart line{stroke:#1e2a3d;stroke-width:1}.complexity-chart text{fill:#5e6a80;font:8px DM Mono}.complexity-chart polyline{fill:none;stroke-width:2}.classical-line{stroke:var(--orange)}.classical-worst-line{stroke:var(--orange);stroke-dasharray:5 5;opacity:.62}.quantum-line{stroke:var(--mint)}.complexity-chart .selected-line{stroke:#60708d;stroke-dasharray:3 4}.classical-dot{fill:var(--orange)}.quantum-dot{fill:var(--mint)}.complexity-chart .classical-label{fill:var(--orange)}.complexity-chart .quantum-label{fill:var(--mint)}.complexity-callout{grid-column:1 / 3;border:1px solid #26334a;background:#0c1321;min-height:62px;display:flex;align-items:center;justify-content:center;gap:18px;border-radius:5px;font-size:12px}.complexity-callout>svg:first-child{color:var(--violet)}.complexity-callout span{color:#778399}.complexity-callout b{font:11px DM Mono}.complexity-callout .mint{color:var(--mint)}.analogy-note{margin-top:90px;border:1px solid #303b56;border-left:3px solid var(--violet);background:#101526;padding:24px 28px;display:flex;gap:18px;align-items:flex-start}.analogy-note>svg{color:var(--violet);flex:none}.analogy-note b{font-size:14px}.analogy-note p{color:#929db2;font-size:12px;line-height:1.6;margin:7px 0 0}.quiz-section{margin:100px 0;padding:45px;background:linear-gradient(135deg,#11182a,#0b111e);border:1px solid var(--line);display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;border-radius:8px}.quiz-section h2{font-size:29px;margin:12px 0}.quiz-section p{color:#8c97ab;font-size:12px}.quiz-options{display:grid;gap:8px}.quiz-options>button:not(.quiz-submit){height:46px;border:1px solid #29364c;background:#0a101c;display:flex;align-items:center;justify-content:space-between;border-radius:4px;padding:0 15px;cursor:pointer;font-size:11px}.quiz-options>button.selected{border-color:var(--violet);background:#15152b}.quiz-options>button.correct{border-color:var(--mint);color:var(--mint)}.quiz-submit{margin-top:8px}.feedback{margin:5px 0 0!important;color:#ffba8b!important;line-height:1.6}.feedback.correct-text{color:var(--mint)!important}.assessment-hub{margin:70px 0 20px}.assessment-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;padding:24px;border:1px solid #253249;border-radius:6px;background:#0c1321}.assessment-heading h2{margin:8px 0 0;font-size:28px}.assessment-summary{display:grid;justify-items:end;gap:10px}.assessment-summary p{margin:0;color:var(--mint);font:11px DM Mono,monospace}.assessment-toggle{min-height:38px;display:inline-flex;align-items:center;gap:8px;padding:0 14px;border:1px solid var(--mint);border-radius:4px;background:#10231f;color:var(--mint);cursor:pointer}.assessment-toggle svg,.module-checkpoint h3 svg{transition:transform .2s}.assessment-toggle[aria-expanded=true] svg,.module-checkpoint h3 button[aria-expanded=true] svg{transform:rotate(90deg)}.assessment-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:12px}.module-checkpoint{padding:15px 18px;border:1px solid #253249;border-radius:6px;background:#0c1321}.module-checkpoint>span{color:var(--violet);font:9px DM Mono,monospace;text-transform:uppercase}.module-checkpoint h3{margin:5px 0 0;font-size:15px}.module-checkpoint h3 button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:3px 0;border:0;background:transparent;color:inherit;text-align:left;cursor:pointer}.checkpoint-body{padding-top:12px;border-top:1px solid #202c40;margin-top:10px}.checkpoint-body>p{color:#98a4b7;line-height:1.55;font-size:11px}.checkpoint-options{display:grid;gap:6px;margin:14px 0}.checkpoint-options label{display:flex;gap:8px;align-items:start;padding:9px;border:1px solid #27354b;border-radius:4px;color:#bdc6d4;font-size:11px;cursor:pointer}.checkpoint-options input{margin-top:1px;accent-color:var(--mint)}.module-checkpoint .button{min-height:35px}footer{height:100px;border-top:1px solid #1b2638;max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:0 24px}footer span{font:11px DM Mono;letter-spacing:.13em;color:var(--mint)}footer p{color:#59657a;font-size:10px}.topbar{position:sticky;top:0;z-index:20;max-width:1500px;height:58px;background:#070b15f5;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}main{max-width:1440px}.workspace-nav{gap:5px}.workspace-nav button,.detail-tabs button{border:1px solid transparent;background:transparent;color:#aeb8ca;border-radius:5px;padding:8px 13px;font-size:12px;font-weight:700;text-transform:capitalize;cursor:pointer}.workspace-nav button:hover,.detail-tabs button:hover{color:#f4f7ff;background:#121c2d}.workspace-nav button.active,.detail-tabs button.active{color:#07120f;background:var(--mint)}.workspace-nav button:focus-visible,.detail-tabs button:focus-visible{outline:3px solid #c5b8ff;outline-offset:2px}.view-lab .hero,.view-lab .home-overview,.view-lab .home-engine,.view-lab .docs-chat,.view-lab .learning-journey,.view-lab .complexity-section,.view-lab .analogy-note,.view-lab footer{display:none}.view-learn .setup,.view-learn .home-overview,.view-learn .home-engine,.view-learn .docs-chat,.view-learn .lab-guide,.view-learn .comparison,.view-learn .state-tutor,.view-learn .control-dock,.view-learn .auto-run-note,.view-learn .detail-tabs,.view-learn .timeline-card,.view-learn .scientific-inspector,.view-learn .audit-error,.view-learn .measurement-result,.view-learn .teaching-grid,.view-learn .geometry-section,.view-learn .complexity-section,.view-learn .analogy-note,.view-home .learning-journey,.view-home .setup,.view-home .lab-guide,.view-home .comparison,.view-home .state-tutor,.view-home .control-dock,.view-home .auto-run-note,.view-home .detail-tabs,.view-home .timeline-card,.view-home .scientific-inspector,.view-home .audit-error,.view-home .measurement-result,.view-home .teaching-grid,.view-home .geometry-section,.view-reference .hero,.view-reference .learning-journey,.view-reference .setup,.view-reference .lab-guide,.view-reference .comparison,.view-reference .control-dock,.view-reference .auto-run-note,.view-reference .detail-tabs,.view-reference .timeline-card,.view-reference .scientific-inspector,.view-reference .audit-error,.view-reference .measurement-result,.view-reference .teaching-grid{display:none}.view-lab main{padding-top:14px;padding-bottom:28px}.view-lab .setup{padding:18px 22px}.view-lab .setup>div:first-child{display:flex;align-items:baseline;gap:18px}.view-lab .setup h2{font-size:21px}.view-lab .setup-controls{margin-top:14px;grid-template-columns:minmax(160px,.8fr) minmax(240px,1.3fr) minmax(220px,.9fr) auto;gap:14px}.view-lab .setup-controls label{color:#b7c1d2;font-size:12px}.view-lab select,.view-lab input[type=number]{margin-top:5px;padding:8px 10px}.lab-guide{display:grid;grid-template-columns:minmax(300px,.9fr) minmax(520px,1.4fr);gap:12px 28px;align-items:center;margin-top:12px;padding:16px 20px;border:1px solid #36516a;border-left:4px solid var(--mint);border-radius:7px;background:linear-gradient(100deg,#0e1d20,#0d1523 58%)}.guide-copy h2{margin:5px 0 4px;font-size:20px}.guide-copy p{margin:0;color:#c5cedc;font-size:14px;line-height:1.45}.algorithm-path{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;list-style:none;padding:0;margin:0}.algorithm-path li{min-height:48px;display:flex;align-items:center;gap:8px;padding:8px 9px;border:1px solid #30415a;border-radius:5px;color:#aeb8ca;font-size:12px;line-height:1.3;background:#0a111e}.algorithm-path li span{flex:none;width:23px;height:23px;display:grid;place-items:center;border:1px solid #596880;border-radius:50%;font:10px DM Mono}.algorithm-path li.active{border-color:var(--mint);color:#eefdf8;background:#123028}.algorithm-path li.active span{border-color:var(--mint);background:var(--mint);color:#07120f}.algorithm-path li.complete{color:#9de8d0;border-color:#315e52}.guide-footer{grid-column:1 / 3;display:grid;grid-template-columns:minmax(320px,1fr) auto;gap:20px;align-items:center;padding-top:10px;border-top:1px solid #2c4650}.guide-action{margin:0;color:#f1f5fb;font-size:14px;font-weight:700}.view-lab .comparison{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:12px}.state-tutor{display:grid;grid-template-columns:minmax(210px,.65fr) minmax(220px,.8fr) minmax(320px,1.55fr);gap:18px;align-items:center;margin-top:12px;padding:18px 20px;border:1px solid #2a4050;border-left:3px solid var(--mint);border-radius:8px;background:linear-gradient(110deg,#0d191d,#0b1321 55%)}.state-tutor-heading{display:flex;align-items:center;gap:12px}.tutor-icon{width:38px;height:38px;flex:none;display:grid;place-items:center;border:1px solid #3b7569;border-radius:50%;color:var(--mint);background:#10241f}.state-tutor h2{margin:4px 0 0;font-size:17px}.tutor-questions{display:flex;flex-wrap:wrap;gap:6px}.tutor-questions button{min-height:31px;padding:6px 9px;border:1px solid #314057;border-radius:4px;background:#101827;color:#b9c4d5;font-size:10px;cursor:pointer}.tutor-questions button:hover{border-color:#5b897f;color:#effff9}.tutor-questions button.active{border-color:var(--mint);background:#153029;color:var(--mint)}.tutor-answer{min-width:0;padding-left:18px;border-left:1px solid #29384b}.tutor-answer b{color:#eef5ff;font-size:12px}.tutor-answer p{margin:5px 0;color:#c0cada;font-size:12px;line-height:1.5}.tutor-answer small{color:#77869b;font:8px DM Mono}.docs-chat{margin:28px 0 44px;padding:26px;border:1px solid #2a4050;border-left:3px solid var(--mint);border-radius:8px;background:linear-gradient(110deg,#0d191d,#0b1321 55%)}.docs-chat-heading{display:flex;align-items:flex-start;gap:14px;max-width:850px}.docs-chat-heading h2{margin:5px 0 6px;font-size:24px}.docs-chat-heading p{margin:0;color:#aeb9ca;font-size:12px;line-height:1.55}.docs-chat .tutor-search{margin-top:20px}.tutor-search{grid-column:1 / -1;display:grid;grid-template-columns:210px minmax(0,1fr);gap:18px;align-items:center;padding-top:14px;border-top:1px solid #29384b}.tutor-search label{color:#d3dce9;font-size:11px;font-weight:700}.tutor-search>div{display:grid;grid-template-columns:minmax(0,1fr) auto}.tutor-search input{min-width:0;height:38px;padding:0 12px;border:1px solid #314057;border-right:0;border-radius:4px 0 0 4px;background:#080f1a;color:#eef5ff;font-size:11px}.tutor-search button{min-height:38px;padding:0 14px;border:1px solid #4d8b7d;border-radius:0 4px 4px 0;background:#153029;color:var(--mint);font-size:10px;font-weight:700;cursor:pointer}.tutor-sources{grid-column:1 / -1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.tutor-sources article{padding:13px 14px;border:1px solid #293a4d;border-radius:5px;background:#09121e}.tutor-sources h3{margin:0;font-size:12px}.tutor-sources p{margin:6px 0 9px;color:#aeb9ca;font-size:10px;line-height:1.55}.tutor-sources cite{color:var(--mint);font: 8px DM Mono}.tutor-sources>small{grid-column:1 / -1;color:#77869b;font:8px DM Mono}.tutor-no-result{grid-column:1 / -1;margin:0;padding:12px;border:1px solid #5c4c2e;background:#1c180f;color:#d8c28e;font-size:10px}.view-lab .search-panel{padding:18px}.view-lab .search-panel>header{grid-template-columns:34px minmax(0,1fr) auto;gap:10px}.view-lab .panel-icon{width:34px;height:34px}.view-lab .search-panel header>div:nth-child(2){display:flex;flex-wrap:wrap;align-items:baseline;gap:3px 10px;min-width:0}.view-lab .search-panel header>div:nth-child(2)>span{display:none}.view-lab .search-panel h3{flex:none;font-size:18px;margin:0}.view-lab .search-panel header p,.view-lab .view-controls label{color:#c1cad8;font-size:12px}.view-lab .search-panel header p{overflow:hidden;color:#b7c1d2;font-size:13px;line-height:1.3;text-overflow:ellipsis;white-space:nowrap}.panel-status{flex:0 0 auto;order:3;max-width:100%;padding:4px 7px;overflow:hidden;border:1px solid #8a6b37;border-radius:4px;background:#211b10;color:#ffd38a;font:10px DM Mono;text-overflow:ellipsis;white-space:nowrap}.panel-status.success{border-color:#3b806e;background:#10271f;color:var(--mint)}.view-lab .query-count{display:flex;align-items:baseline;gap:6px;text-align:left}.view-lab .query-count b{font-size:21px}.view-lab .query-count span{max-width:none;color:#aeb8ca;font:10px DM Mono;white-space:nowrap}.view-lab .probability-meter{gap:5px;margin:10px 0;color:#bac4d4;font-size:12px}.view-lab .probability-meter b{font-size:13px}.view-lab .classical-viz,.view-lab .quantum-viz{height:150px}.view-lab .plane-panel{display:flex;flex-direction:column}.view-lab .plane-panel .panel-icon{color:var(--violet)}.view-lab .plane-panel .grover-plane{width:100%;height:190px;margin:2px auto}.view-lab .plane-panel .mini-stats{margin-top:auto}.probability-summary{justify-content:center;gap:34px;padding:12px 24px}.probability-summary .zero-line{display:none}.summary-column{width:38%;height:100%;display:grid;grid-template-rows:auto 1fr auto;gap:5px;justify-items:center}.summary-column b{color:#f4f7ff;font:13px DM Mono}.summary-column>div{width:58px;height:100%;display:flex;align-items:end;border-bottom:1px solid #536078}.summary-column i{display:block;width:100%;min-height:3px;background:#7786a4;transition:height .45s}.summary-column.target i{background:var(--mint);box-shadow:0 0 12px #68f5c455}.summary-column span{color:#b8c2d3;font-size:11px;text-align:center}.view-lab .mini-stats{margin-top:12px;padding-top:11px}.view-lab .mini-stats span{color:#96a3b8;font-size:10px}.view-lab .mini-stats b{font-size:12px}.view-lab .control-dock{margin:10px auto 8px;min-height:54px;bottom:10px}.view-lab .auto-run-note{margin:0 0 8px;color:#9aa7bc;font-size:10px}.detail-tabs{display:flex;width:max-content;gap:5px;margin:8px 0 0;padding:4px;border:1px solid var(--line);border-radius:7px;background:#0b1220}.detail-tabs button{min-width:110px}.view-lab.detail-geometry .timeline-card,.view-lab.detail-geometry .scientific-inspector,.view-lab.detail-geometry .teaching-grid,.view-lab.detail-state .geometry-section,.view-lab.detail-state .timeline-card,.view-lab.detail-state .teaching-grid,.view-lab.detail-timeline .geometry-section,.view-lab.detail-timeline .scientific-inspector,.view-lab.detail-timeline .teaching-grid,.view-lab.detail-explanation .geometry-section,.view-lab.detail-explanation .timeline-card,.view-lab.detail-explanation .scientific-inspector{display:none}.view-lab .timeline-card,.view-lab .scientific-inspector,.view-lab .teaching-grid{margin-top:10px}.view-lab .geometry-section{margin-top:10px;padding:20px 24px;grid-template-columns:minmax(300px,.8fr) minmax(360px,1.2fr);gap:24px;align-items:center;border:1px solid var(--line);border-radius:8px;background:#0b1220}.view-lab .geometry-section .section-intro h2{font-size:27px;margin:8px 0 10px}.view-lab .geometry-section .section-intro p{color:#b2bdce;font-size:12px;line-height:1.55}.view-lab .geometry-section .grover-plane{max-width:300px}.view-lab .geometry-section .geometry-stats{margin-top:0;padding-top:10px}.view-lab .scientific-inspector{padding:20px}.view-lab .teaching-grid{gap:10px}.view-lab .teaching-card,.view-lab .equation-card{padding:22px}.view-reference .geometry-section,.view-reference .complexity-section{margin-top:40px;gap:40px}.view-reference .analogy-note{margin:45px 0}.view-learn main{max-width:1440px;padding-bottom:28px}.view-learn .hero{min-height:150px;padding:24px 0 18px}.view-learn .hero h1{font-size:34px;margin:6px 0}.view-learn .hero-subtitle{font-size:16px;margin-bottom:5px}.view-learn .hero-description{color:#b5bfd0;font-size:13px;line-height:1.45}.view-learn .hero-actions{margin-top:10px}.view-learn .hero-orbit{width:120px;height:120px;top:12px}.view-learn .learning-journey{margin:10px 0 24px;padding:22px}.view-learn .journey-intro h2{font-size:25px}.view-learn .journey-intro>p{color:#aeb8ca;font-size:12px}.view-learn .module-nav{margin:16px 0 12px}.view-learn .module-nav button{height:46px;color:#a9b4c6;font-size:10px}.view-learn .module-lesson>*{padding:18px}.view-learn .module-lesson h3{font-size:20px}.view-learn .module-explanation>p,.view-learn .module-lesson aside p{color:#b4bfd0;font-size:12px;line-height:1.55}.view-learn .module-comparison p{color:#aeb8ca;font-size:11px}.view-learn .assessment-hub{margin:18px 0 0}.view-learn .assessment-heading{padding:16px 18px}.view-learn .assessment-heading h2{font-size:20px}.view-learn .assessment-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.view-learn .module-checkpoint{padding:12px}.view-learn .module-checkpoint h3{font-size:13px}.view-learn .checkpoint-body{position:relative;z-index:2}.hero-lab-link,.inline-link{border:0;background:transparent;cursor:pointer}.inline-link{display:inline-flex;align-items:center;gap:4px;padding:0;color:var(--mint);font-size:11px;font-weight:700}.view-reference main{max-width:1500px;padding-top:18px;padding-bottom:30px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.view-reference .geometry-section,.view-reference .complexity-section{margin:0;padding:22px;grid-template-columns:minmax(220px,.8fr) minmax(300px,1.2fr);gap:20px;align-items:center;border:1px solid var(--line);border-radius:8px;background:#0b1220}.view-reference .section-intro h2{font-size:28px;margin:9px 0 12px}.view-reference .section-intro p{color:#b2bdce;font-size:12px;line-height:1.55}.view-reference .grover-plane{max-width:300px}.view-reference .geometry-stats,.view-reference .complexity-callout{grid-column:1 / 3}.view-reference .complexity-chart text{font-size:9px}.view-reference .complexity-callout{min-height:50px;padding:9px;flex-wrap:wrap;gap:10px}.view-reference .analogy-note{grid-column:1 / 3;margin:0;padding:16px 20px}.view-reference footer{display:none}.view-home main{max-width:1440px}.view-home .hero{min-height:255px;padding:42px 0 34px}.view-home .hero h1{font-size:clamp(42px,5vw,68px)}.view-home .hero-description{max-width:720px;color:#b9c3d3;font-size:16px}.home-overview{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px;align-items:start;padding:28px;border:1px solid var(--line);border-radius:8px;background:#0b1220}.home-overview h2,.home-engine h2{margin:8px 0 12px;font-size:30px;line-height:1.18}.home-overview-copy>p,.home-engine>div>p{color:#bac4d4;font-size:14px;line-height:1.65}.home-feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.home-feature-grid article{min-height:190px;padding:20px;border:1px solid #30415a;border-radius:6px;background:#0a111e}.home-feature-grid article>span{color:var(--mint);font:11px DM Mono}.home-feature-grid h3{margin:28px 0 8px;font-size:20px}.home-feature-grid p{margin:0;color:#b2bdce;font-size:13px;line-height:1.55}.home-engine{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:16px;padding:30px;border:1px solid #36516a;border-left:4px solid var(--mint);border-radius:8px;background:linear-gradient(110deg,#0c1c1d,#0b1220 55%)}.home-engine .button{margin-top:8px}.engine-facts{margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.engine-facts>div{display:block;padding:16px;border:1px solid #30415a;border-radius:5px;background:#09111d}.engine-facts dt{color:var(--mint);font-size:11px;font-weight:700;text-transform:uppercase}.engine-facts dd{margin-top:8px;color:#d0d7e3;font-size:13px;line-height:1.45}.view-home .complexity-section{margin-top:50px}.view-home .analogy-note{margin:28px 0 50px}.control-dock,.view-lab .control-dock{background:#0a111e;-webkit-backdrop-filter:none;backdrop-filter:none;box-shadow:0 10px 28px #0000006b}.view-lab .lab-guide .control-dock{position:static;min-height:0;margin:0;padding:0;border:0;background:transparent;box-shadow:none;justify-content:flex-end}.view-lab .lab-guide .control-dock .icon-button,.view-lab .lab-guide .control-dock .text-button{height:36px}.view-lab .lab-guide .control-dock .play-button{width:40px;height:40px}@media(max-width:900px){.hero-orbit{opacity:.28;right:-120px}.setup-controls{grid-template-columns:1fr 1fr}.module-nav{grid-template-columns:repeat(5,1fr)}.module-lesson{grid-template-columns:1fr}.module-lesson>*+*{border-left:0;border-top:1px solid #202b3e}.mode-chip{grid-column:1 / 3;justify-self:start}.comparison{grid-template-columns:1fr}.versus{padding:3px}.teaching-grid,.geometry-section,.complexity-section,.quiz-section,.state-tutor{grid-template-columns:1fr}.tutor-answer{padding:14px 0 0;border-left:0;border-top:1px solid #29384b}.tutor-search{grid-template-columns:1fr;gap:7px}.tutor-sources,.timeline-card{grid-template-columns:1fr}.operation-timeline li{grid-template-columns:30px 1fr}.operation-timeline dl{grid-column:2}.inspector-heading{align-items:flex-start;flex-direction:column}.geometry-stats,.complexity-callout{grid-column:1}.complexity-section .section-intro{order:-1}.control-dock{flex-wrap:wrap}.speed-control{display:none}.view-reference main{display:block}.view-reference .geometry-section,.view-reference .complexity-section{margin-top:16px}.view-learn .assessment-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.lab-guide{grid-template-columns:1fr}.guide-footer{grid-column:1;grid-template-columns:1fr}.algorithm-path{grid-template-columns:repeat(2,minmax(0,1fr))}.home-overview,.home-engine,.home-feature-grid{grid-template-columns:1fr}}@media(max-width:600px){.assessment-grid{grid-template-columns:1fr}.assessment-heading{align-items:start;flex-direction:column}.assessment-summary{width:100%;justify-items:start}main{padding:0 14px}.topbar{padding:0 14px}.header-badge{display:none}.workspace-nav{display:flex;gap:2px}.workspace-nav button{padding:7px 8px;font-size:10px}.brand>span:last-child{display:none}.detail-tabs{display:flex;width:100%}.detail-tabs button{flex:1;min-width:0}.hero{padding:34px 0 28px;min-height:235px}.hero-actions{align-items:flex-start;flex-direction:column}.learning-journey{padding:22px}.journey-intro{align-items:flex-start;flex-direction:column}.journey-intro>p{text-align:left}.module-nav{grid-template-columns:repeat(2,1fr)}.module-comparison,.live-module-experiment{grid-template-columns:1fr}.live-module-experiment strong{grid-column:1}.setup{padding:22px}.setup-controls{grid-template-columns:1fr}.mode-chip{grid-column:1}.search-panel{padding:18px}.search-panel>header{grid-template-columns:auto 1fr}.query-count{grid-column:1 / 3;text-align:left;display:flex;align-items:baseline;gap:8px}.teaching-card,.equation-card,.quiz-section{padding:23px}.geometry-section,.complexity-section{margin-top:80px;gap:25px}.section-intro h2{font-size:30px}.complexity-callout{flex-wrap:wrap;padding:15px;gap:10px}.text-button{display:none}footer{flex-direction:column;justify-content:center;align-items:flex-start}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}
