.education-module{display:grid;gap:1rem}.education-module--compact{gap:.85rem}.education-card,.quiz-explanation-panel{border:1px solid rgba(163,186,215,.18);border-left:3px solid var(--text-muted);border-radius:1rem;background:#0a12207a;padding:1rem}.education-card h3,.quiz-explanation-panel strong{margin:0}.education-objectives,.education-list{display:grid;gap:.65rem}.education-objectives li,.education-list li{padding-left:1.4rem;position:relative}.education-objectives li:before,.education-list li:before{content:"";position:absolute;left:0;top:.55rem;width:.5rem;height:.5rem;border-radius:999px;background:#61b6fff2}.education-callout{margin-top:.9rem;border-radius:.9rem;padding:.85rem .95rem}.education-callout strong{display:block;margin-bottom:.35rem}.education-callout--pearl{background:#13503f6b;border:1px solid rgba(82,214,162,.24)}.education-callout--pitfall{background:#5c291a61;border:1px solid rgba(237,132,92,.22)}.boundary-grid{display:grid;gap:.75rem;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));margin-bottom:.8rem}.boundary-grid__item{border-radius:.85rem;background:#ffffff08;padding:.8rem}.boundary-grid__item strong,.related-images-strip__item strong{display:block;margin-bottom:.35rem}.staging-summary{display:grid;gap:.75rem}.staging-badge{display:inline-flex;flex-direction:column;gap:.2rem;border-radius:999px;padding:.65rem .9rem;width:fit-content}.staging-badge strong{font-size:.75rem;letter-spacing:.08em;text-transform:uppercase}.staging-badge--neutral{background:#387cd02e;border:1px solid rgba(96,165,250,.3)}.staging-badge--warning{background:#9933412e;border:1px solid rgba(244,114,182,.24)}.staging-badge--accent{background:#2e725633;border:1px solid rgba(74,222,128,.22)}.related-images-strip{display:grid;gap:.75rem;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));margin-top:.9rem}.related-images-strip__item{border-radius:.9rem;overflow:hidden;background:#ffffff08;border:1px solid rgba(163,186,215,.16)}.related-images-strip__item img{display:block;width:100%;aspect-ratio:4 / 3;object-fit:cover}.related-images-strip__item figcaption{display:grid;gap:.25rem;padding:.75rem}.education-case{margin-top:.8rem;border-left:3px solid rgba(97,182,255,.62);padding-left:.85rem}.education-case--takeaway{border-left-color:#4ade80a6}.quiz-explanation-panel{margin-top:1rem;display:grid;gap:.9rem}.quiz-explanation-panel--success{border-color:#4ade804d;background:#112c258c}.quiz-explanation-panel__meta{display:flex;flex-wrap:wrap;gap:.5rem}.quiz-explanation-panel__answer{border-radius:.85rem;padding:.85rem;background:#ffffff0a}.education-option-rationale{border-radius:.85rem;border:1px solid rgba(163,186,215,.14);background:#ffffff06;padding:.8rem .9rem}.education-option-rationale--correct{border-color:#4ade8047;background:#114a376b}.education-option-rationale--incorrect{border-color:#f472b642;background:#5b1c2761}.education-option-rationale--selected{border-color:#f472b65c}html[data-theme=light] .education-card,html[data-theme=light] .quiz-explanation-panel{border-color:#46637e33;border-left-color:var(--accent-cyan);background:#ffffffe0;color:var(--text)}html[data-theme=light] .quiz-explanation-panel{box-shadow:0 16px 40px #4a66821f}html[data-theme=light] .quiz-explanation-panel--success{border-color:#207a5b5c;border-left-color:var(--accent-green);background:#eef9f4f0}html[data-theme=light] .quiz-explanation-panel__answer{border:1px solid rgba(18,110,172,.14);background:#126eac14}html[data-theme=light] .education-option-rationale{border-color:#46637e2e;background:#ffffffb8}html[data-theme=light] .education-option-rationale--correct{border-color:#207a5b57;background:#207a5b1a}html[data-theme=light] .education-option-rationale--incorrect{border-color:#a7445552;background:#a7445517}html[data-theme=light] .education-option-rationale--selected{border-color:#a744557a}@media (min-width: 900px){.education-module{grid-template-columns:repeat(2,minmax(0,1fr))}.education-card--objectives{grid-column:span 2}}.knobology-lab-notes{align-self:stretch;display:grid;gap:16px;max-height:clamp(250px,36svh,400px);min-height:250px;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable;padding:16px;border-radius:var(--radius-md);border:1px solid rgba(123,163,200,.18);background:#07111d94}.knobology-lab-notes:focus-visible{outline:2px solid rgba(127,189,242,.72);outline-offset:3px}.knobology-lab-notes__section{display:grid;gap:12px;min-width:0;padding-bottom:16px;border-bottom:1px solid rgba(123,163,200,.14)}.knobology-lab-notes__section:last-child{padding-bottom:0;border-bottom:0}.knobology-lab-notes__heading{display:grid;gap:6px}.knobology-lab-notes__heading h3{margin:0;font-size:1.08rem;line-height:1.35}.knobology-lab-notes__heading p,.knobology-rescue-panel p,.knobology-lab-notes .learn-more-drawer__header p{margin:0}.knobology-lab-notes .knobology-keyboard-feedback,.knobology-lab-notes .learn-more-drawer{padding:0;border:0;background:transparent}.knobology-lab-notes .learn-more-drawer__header{align-items:flex-start}.knobology-lab-notes .learn-more-drawer__content{gap:10px}.knobology-lab-notes .education-card{padding:14px}.knobology-rescue-panel .button-row{flex-wrap:wrap}@media (min-width: 760px){.knobology-frame>.knobology-lab-notes{height:100%;max-height:none;min-height:0}}@media (max-width: 560px){.knobology-lab-notes{max-height:360px;min-height:230px;padding:14px}}.simulator-page{display:grid;gap:14px}.simulator-intro,.simulator-topbar,.simulator-control-rail,.simulator-scene-pane,.simulator-sector-pane,.simulator-load-panel{border:1px solid rgba(222,232,226,.14);background:#171d1feb;border-radius:8px}.simulator-intro{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.36fr);gap:18px;padding:18px}.simulator-intro h1,.simulator-topbar h2,.simulator-pane-header h2{margin:0}.simulator-intro p,.simulator-intro aside{margin:8px 0 0;color:#b8c7c4}.simulator-intro aside{align-self:stretch;display:grid;place-items:center;min-height:76px;padding:14px;border:1px solid rgba(245,225,102,.22);background:#f5e16612;color:#f0e7ad;border-radius:8px}.simulator-load-shell{min-height:55vh;display:grid;place-items:center}.simulator-load-panel{width:min(560px,100%);padding:24px}.simulator-topbar{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px}.simulator-status-strip{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}.simulator-status-strip span,.simulator-chip{display:inline-flex;min-height:28px;align-items:center;border:1px solid rgba(255,255,255,.16);background:#222a2c;padding:0 10px;border-radius:999px;color:#d9e5e1;font-size:.8rem;white-space:nowrap}.simulator-control-rail{display:grid;grid-template-columns:minmax(220px,320px) minmax(220px,1fr) minmax(160px,220px) minmax(240px,auto);gap:12px;align-items:end;padding:12px}.simulator-control-rail label{display:grid;gap:6px;color:#9aa7a7;font-size:.78rem;font-weight:700}.simulator-control-rail select,.simulator-control-rail input[type=range]{width:100%}.simulator-control-rail select{min-height:38px;color:#eef4f2;background:#101416;border:1px solid rgba(255,255,255,.18);border-radius:6px;padding:0 10px}.simulator-control-rail input[type=range]{accent-color:#8bd4ff}.simulator-layer-toggles{display:grid;grid-template-columns:repeat(3,minmax(74px,1fr));gap:8px 10px}.simulator-layer-toggles label{display:flex;min-height:32px;align-items:center;gap:6px;padding:0 8px;border:1px solid rgba(255,255,255,.12);background:#111719;border-radius:6px;color:#d8e0dd;font-size:.77rem;font-weight:650}.simulator-layer-toggles input{accent-color:#93c56f}.simulator-workspace{min-height:0;display:grid;grid-template-columns:minmax(0,1.5fr) minmax(330px,.72fr);gap:12px}.simulator-scene-pane,.simulator-sector-pane{min-height:0;overflow:hidden;display:grid;grid-template-rows:auto minmax(0,1fr)}.simulator-pane-header{min-height:62px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border-bottom:1px solid rgba(222,232,226,.14)}.simulator-sector-header-actions{display:inline-flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}.simulator-scene-actions{position:relative;display:inline-flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}.simulator-button{min-width:64px;min-height:36px;border:1px solid rgba(255,255,255,.18);background:#233035;border-radius:6px;color:#eef4f2;cursor:pointer}.simulator-structure-dropdown{position:relative}.simulator-structure-dropdown summary{min-height:36px;display:inline-flex;align-items:center;gap:8px;padding:0 10px;border:1px solid rgba(255,255,255,.18);background:#182327;border-radius:6px;color:#eef4f2;cursor:pointer;font-size:.82rem;font-weight:750;list-style:none;white-space:nowrap}.simulator-structure-dropdown summary::-webkit-details-marker{display:none}.simulator-structure-dropdown summary span:last-child{min-width:44px;color:#9fcfe8;text-align:right}.simulator-structure-dropdown[open] summary,.simulator-button:hover,.simulator-structure-row:hover,.simulator-structure-row--active{border-color:#8bd4ffb8;background:#21333b}.simulator-structure-dropdown__menu{position:absolute;right:0;top:calc(100% + 8px);z-index:20;width:min(330px,calc(100vw - 32px));max-height:min(460px,62vh);overflow:auto;padding:10px;border:1px solid rgba(139,212,255,.28);background:#0e1517;border-radius:8px;box-shadow:0 18px 46px #00000061}.simulator-structure-dropdown__actions{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:2px 2px 10px;color:#aab8b7;font-size:.74rem;font-weight:800;text-transform:uppercase}.simulator-structure-dropdown__actions button{min-height:28px;border:1px solid rgba(255,255,255,.16);background:#172226;border-radius:6px;color:#eef4f2;cursor:pointer;font-weight:750}.simulator-structure-dropdown__group{display:grid;gap:6px}.simulator-structure-dropdown__group+.simulator-structure-dropdown__group{margin-top:12px}.simulator-structure-dropdown__group-label{color:#8fb4c4;font-size:.68rem;font-weight:850;text-transform:uppercase}.simulator-structure-dropdown__row{min-height:34px;display:grid;grid-template-columns:auto auto minmax(0,1fr);align-items:center;gap:8px;padding:0 8px;border:1px solid rgba(255,255,255,.1);background:#121a1d;border-radius:6px;color:#e7efed;font-size:.78rem;font-weight:700}.simulator-structure-dropdown__row input{accent-color:#93c56f}.simulator-scene-canvas{min-height:560px;height:100%;background:#101416}.simulator-scene-canvas canvas{display:block;width:100%;height:100%}.simulator-sector-pane{background:#121719}.simulator-sector-viewport{position:relative;width:100%;min-height:420px;max-height:calc(100vh - 360px);height:min(760px,calc(100vh - 360px));display:block;background:#070809;overflow:hidden}.simulator-sector-raster-canvas,.simulator-sector-svg{position:absolute;top:10px;right:10px;bottom:10px;left:10px;width:calc(100% - 20px);height:calc(100% - 20px);display:block}.simulator-sector-raster-canvas{z-index:0}.simulator-sector-svg{z-index:1;pointer-events:auto}.simulator-sector-hotspot{outline:none}.simulator-sector-label-leader path{fill:none;stroke:#d9f0eeb3;stroke-dasharray:1.2 1.2;stroke-linecap:round;stroke-width:.35}.simulator-sector-label-leader circle{fill:#d9f0ee;opacity:.86}.simulator-sector-callout{position:absolute;z-index:3;display:inline-flex;max-width:min(210px,42%);min-height:38px;align-items:center;gap:8px;padding:7px 9px;border:1px solid rgba(139,212,255,.44);background:#0f1719f0;border-radius:6px;box-shadow:0 10px 30px #00000057;color:#ecf6f2;font-size:.78rem;line-height:1.1;pointer-events:none}.simulator-sector-callout--left{transform:translateY(-50%)}.simulator-sector-callout--right{transform:translate(-100%,-50%)}.simulator-sector-callout__swatch{width:9px;height:9px;border-radius:50%;box-shadow:0 0 0 2px #ffffff1a;flex:0 0 auto}.simulator-sector-callout__text{display:grid;gap:2px;min-width:0}.simulator-sector-callout__text span:first-child{overflow-wrap:anywhere;font-weight:750}.simulator-sector-callout__text span:last-child{color:#8fb4c4;font-size:.64rem;letter-spacing:.06em;text-transform:uppercase}.simulator-structure-list{display:grid;gap:8px;padding:12px;border-top:1px solid rgba(222,232,226,.14);background:#1e2527}.simulator-structure-row{width:100%;min-height:36px;display:flex;align-items:center;gap:9px;border:1px solid rgba(255,255,255,.12);background:#151b1d;border-radius:6px;color:#e8f1ee;cursor:pointer;text-align:left}.simulator-swatch{width:10px;height:10px;border-radius:50%;flex:0 0 auto;box-shadow:0 0 0 2px #ffffff14}@media (max-width: 1080px){.simulator-intro,.simulator-control-rail,.simulator-workspace{grid-template-columns:1fr}.simulator-topbar{align-items:flex-start;flex-direction:column}.simulator-status-strip{justify-content:flex-start}.simulator-scene-canvas{min-height:420px}.simulator-sector-viewport{max-height:none;height:520px}}@media (max-width: 560px){.simulator-layer-toggles{grid-template-columns:repeat(2,minmax(0,1fr))}.simulator-pane-header{align-items:flex-start;flex-direction:column}.simulator-scene-actions{width:100%;justify-content:space-between}.simulator-structure-dropdown__menu{left:0;right:auto}}.tnm-page{--tnm-cyan: #7fbdf2;--tnm-green: #8fe0c0;--tnm-gold: #e6bd79;--tnm-rose: #e1a1a8}.tnm-hero .sub-tab-row{margin-top:18px}.tnm-panel{display:grid;gap:18px}.tnm-search{max-width:540px}.tnm-reference-grid,.tnm-control-stack,.tnm-stager-selectors,.tnm-selector-group,.tnm-adjacent-list,.tnm-case-workspace,.tnm-reference-card{display:grid;gap:14px}.tnm-change-callout{padding:14px;border-radius:var(--radius-md);border:1px solid rgba(230,189,121,.28);background:#47311547}.tnm-change-callout--warning{border-color:#e1a1a857;background:#4c20294d}.tnm-change-callout p{margin-bottom:0}.tnm-stage-badge{display:inline-grid;place-items:center;min-width:112px;min-height:74px;padding:10px 16px;border-radius:var(--radius-md);border:1px solid rgba(127,189,242,.24);background:#2d6ca32e;color:var(--text)}.tnm-stage-badge span{font-family:Space Mono,monospace;font-size:.68rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.12em}.tnm-stage-badge strong{font-family:Space Mono,monospace;font-size:clamp(1.35rem,1.1rem + .9vw,2rem)}.tnm-stage-badge--t{border-color:#8fe0c047;background:#276f532e}.tnm-stage-badge--n{border-color:#e6bd7947;background:#60421b33}.tnm-stager-layout,.tnm-builder-layout,.tnm-nmap-layout,.tnm-case-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:18px;align-items:start}.tnm-selector-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}.tnm-option,.tnm-case-list-item,.tnm-status-button,.tnm-check-card,.tnm-result-panel,.tnm-control-panel,.tnm-case-stem,.tnm-case-feedback,.tnm-tag-performance{border:1px solid rgba(123,163,200,.14);background:#ffffff09;color:var(--text)}.tnm-option,.tnm-case-list-item,.tnm-status-button{text-align:left}.tnm-option{display:grid;gap:6px;min-height:92px;padding:12px;border-radius:var(--radius-md)}.tnm-option strong,.tnm-case-list-item strong{font-family:Space Mono,monospace}.tnm-option span,.tnm-case-list-item span,.tnm-case-list-item small{color:var(--text-soft);font-size:.82rem}.tnm-option--active,.tnm-case-list-item--active{border-color:#7fbdf26b;background:#2d6ca33d}.tnm-result-panel,.tnm-control-panel,.tnm-case-stem,.tnm-case-feedback,.tnm-tag-performance{display:grid;gap:12px;padding:16px;border-radius:var(--radius-lg)}.tnm-result-panel h3,.tnm-case-stem h3,.tnm-case-feedback h3{margin:0;font-size:1.18rem}.tnm-result-panel p,.tnm-case-stem p,.tnm-case-feedback p,.tnm-tag-performance p{margin:0;color:var(--text-soft)}.tnm-adjacent-card{display:grid;grid-template-columns:1fr auto;gap:6px 12px;padding:12px;border-radius:var(--radius-sm);background:#07111d61;border:1px solid rgba(123,163,200,.1)}.tnm-adjacent-card p{grid-column:1 / -1;font-size:.86rem}.tnm-builder-visual,.tnm-map-shell{display:grid;gap:14px}.tnm-lung-schematic{width:100%;min-height:420px;border-radius:var(--radius-lg);border:1px solid rgba(123,163,200,.14);background:radial-gradient(circle at 50% 45%,rgba(127,189,242,.12),transparent 30%),linear-gradient(180deg,#0a1420f0,#060d17fa)}.tnm-lung-schematic__lung{fill:#7fbdf21f;stroke:#7fbdf252;stroke-width:1.5}.tnm-lung-schematic__lung--active{fill:#8fe0c024;stroke:#8fe0c080}.tnm-lung-schematic__airway{fill:none;stroke:#ebf1f585;stroke-width:3;stroke-linecap:round}.tnm-lung-schematic__tumor{fill:#e1a1a8c2;stroke:#ffe6e8f5;stroke-width:1.5}.tnm-lung-schematic__tumor--t3,.tnm-lung-schematic__tumor--t4{fill:#e6bd79cc}.tnm-lung-schematic__nodule{fill:#7fbdf2bf;stroke:#e7f5fff2;stroke-width:1.2}.tnm-checkbox-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px}.tnm-check-card{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:10px;padding:12px;border-radius:var(--radius-sm)}.tnm-check-card input{width:20px;height:20px}.tnm-check-card span{display:grid;gap:2px}.tnm-check-card small{color:var(--text-muted);font-family:Space Mono,monospace}.station-node--sampled-negative{background:#123429e6;border-color:#8fe0c0c7;color:#d8ffee}.station-node--positive{background:#602b2ff0;border-color:#e1a1a8db;color:#ffe5e8}.tnm-status-legend{display:flex;flex-wrap:wrap;gap:8px}.tnm-status-pill,.tnm-status-button{font-family:Space Mono,monospace;font-size:.72rem}.tnm-status-pill{display:inline-flex;align-items:center;min-height:32px;padding:0 10px;border-radius:999px;border:1px solid rgba(123,163,200,.14)}.tnm-status-pill--sampled-negative,.tnm-status-button--sampled-negative{border-color:#8fe0c057;background:#12342961}.tnm-status-pill--positive,.tnm-status-button--positive{border-color:#e1a1a861;background:#4c202966}.tnm-external-nodes,.tnm-station-summary{display:grid;gap:10px}.tnm-status-button{display:flex;justify-content:space-between;gap:12px;align-items:center;min-height:56px;padding:12px;border-radius:var(--radius-sm)}.tnm-case-layout{grid-template-columns:minmax(220px,.38fr) minmax(0,1fr)}.tnm-case-list{display:grid;gap:10px;max-height:780px;overflow:auto;padding-right:4px}.tnm-case-list-item{display:grid;gap:6px;padding:12px;border-radius:var(--radius-md)}.tnm-case-findings{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.tnm-case-findings>div{display:grid;gap:8px;padding:12px;border-radius:var(--radius-sm);background:#07111d57}.tnm-case-answer{display:grid;gap:16px}.tnm-case-feedback{border-color:#e1a1a84d;background:#4c202938}.tnm-case-feedback--correct{border-color:#8fe0c057;background:#12342952}@media (max-width: 920px){.tnm-stager-layout,.tnm-builder-layout,.tnm-nmap-layout,.tnm-case-layout,.tnm-case-findings{grid-template-columns:1fr}.tnm-lung-schematic{min-height:320px}}:root{color-scheme:dark;--bg: #07111d;--panel: #0d1a2a;--panel-soft: #122235;--panel-strong: #15263d;--line: #1c324d;--line-strong: #274564;--text: #ebf1f5;--text-soft: #9ab0c4;--text-muted: #6e87a0;--accent-cyan: #7fbdf2;--accent-green: #8fe0c0;--accent-gold: #e6bd79;--accent-rose: #e1a1a8;--zone-upper-bg: #122a40;--zone-upper-border: #2d6ca3;--zone-upper-text: #90ccff;--zone-subcarinal-bg: #123429;--zone-subcarinal-border: #2d8a6a;--zone-subcarinal-text: #88e0bd;--zone-hilar-bg: #36213b;--zone-hilar-border: #8861a7;--zone-hilar-text: #d6afe8;--radius-lg: 24px;--radius-md: 18px;--radius-sm: 12px;--shadow: 0 24px 80px rgba(0, 0, 0, .32)}html[data-theme=light]{color-scheme:light;--bg: #f5f8fb;--panel: #ffffff;--panel-soft: #eef5fb;--panel-strong: #ddebf5;--line: #c6d7e5;--line-strong: #98b5cc;--text: #172433;--text-soft: #43576b;--text-muted: #63788d;--accent-cyan: #126eac;--accent-green: #207a5b;--accent-gold: #8c5f13;--accent-rose: #a74455;--zone-upper-bg: #d8ecfb;--zone-upper-border: #4c91c3;--zone-upper-text: #174d78;--zone-subcarinal-bg: #d9f0e7;--zone-subcarinal-border: #42a77c;--zone-subcarinal-text: #135b42;--zone-hilar-bg: #ecdef3;--zone-hilar-border: #9a73b7;--zone-hilar-text: #62337a;--shadow: 0 18px 54px rgba(74, 102, 130, .2)}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;background:radial-gradient(circle at top right,rgba(62,108,163,.22),transparent 30%),radial-gradient(circle at left center,rgba(46,138,106,.18),transparent 26%),linear-gradient(180deg,#07111d,#060d17);color:var(--text);font-family:"Source Serif 4",Georgia,serif}html[data-theme=light] body{background:radial-gradient(circle at top right,rgba(18,110,172,.12),transparent 30%),radial-gradient(circle at left center,rgba(32,122,91,.1),transparent 28%),linear-gradient(180deg,#f8fbfd,#edf4f8)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}img,video,iframe{display:block;width:100%;height:auto}#root{padding:20px 14px 96px}.app-shell{max-width:1280px;margin:0 auto}.app-shell__frame{border:1px solid rgba(123,163,200,.12);border-radius:32px;background:#050c16d6;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:var(--shadow);overflow:hidden}html[data-theme=light] .app-shell__frame{border-color:#46637e29;background:#ffffffeb}.app-shell__content{padding:22px}.top-header{display:flex;justify-content:space-between;gap:20px;padding:24px 22px 18px;background:radial-gradient(circle at top right,rgba(127,189,242,.14),transparent 24%),linear-gradient(180deg,#122235f5,#07111df5);border-bottom:1px solid rgba(123,163,200,.12)}html[data-theme=light] .top-header{background:radial-gradient(circle at top right,rgba(18,110,172,.12),transparent 24%),linear-gradient(180deg,#fffffff5,#ecf4f9f5);border-bottom-color:#46637e29}.top-header__identity{display:flex;align-items:center;gap:16px}.top-header__mark{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,#2d6ca3b8,#7fbdf238);border:1px solid rgba(127,189,242,.32);font-size:24px}.eyebrow{font-family:Space Mono,monospace;text-transform:uppercase;letter-spacing:.16em;font-size:.72rem;color:var(--text-muted)}.top-header__title,.hero-card h2,.section-card h2,.detail-card h2,.quiz-card h2{margin:0;font-size:clamp(1.35rem,1.1rem + 1vw,2rem);line-height:1.1}.top-header__subtitle,.hero-card p,.mini-card p,.section-card p,.detail-card p,.lecture-card p,.quiz-card p,.schedule-item p,.flashcard p{color:var(--text-soft)}.top-header__meta{display:flex;flex-direction:column;justify-content:center;gap:6px;text-align:right;font-family:Space Mono,monospace;font-size:.8rem;color:var(--text-muted)}.top-header__actions{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:8px}.top-nav{display:flex;gap:10px;padding:14px 22px 0;overflow-x:auto}.top-nav__link,.bottom-nav__link{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 16px;border-radius:999px;border:1px solid transparent;font-family:Space Mono,monospace;font-size:.82rem;color:var(--text-muted);transition:.16s ease}.top-nav__link:hover,.bottom-nav__link:hover{border-color:#7fbdf22e;color:var(--text)}.top-nav__link--active,.bottom-nav__link--active{background:#2d6ca338;border-color:#7fbdf252;color:var(--accent-cyan)}.top-nav__link--locked,.bottom-nav__link--locked{color:var(--accent-gold)}.bottom-nav{position:fixed;left:50%;bottom:14px;transform:translate(-50%);z-index:10;display:flex;gap:8px;width:min(calc(100% - 20px),680px);padding:10px;border-radius:999px;background:#060d17e6;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border:1px solid rgba(123,163,200,.14)}html[data-theme=light] .bottom-nav{background:#ffffffe6;border-color:#46637e29}.bottom-nav__link{flex:1;flex-direction:column;min-height:54px;padding:6px 10px;font-size:.68rem}.bottom-nav__icon{font-size:1rem}.page-stack{display:grid;gap:24px}.hero-card,.section-card,.detail-card,.quiz-card,.lecture-card,.stack-card,.mini-card,.flashcard{border-radius:var(--radius-lg);border:1px solid rgba(123,163,200,.14);background:linear-gradient(180deg,#122235b8,#08101cf0)}html[data-theme=light] .hero-card,html[data-theme=light] .section-card,html[data-theme=light] .detail-card,html[data-theme=light] .quiz-card,html[data-theme=light] .lecture-card,html[data-theme=light] .stack-card,html[data-theme=light] .mini-card,html[data-theme=light] .flashcard{border-color:#46637e29;background:linear-gradient(180deg,#ffffffeb,#eff6faf5)}.hero-card,.section-card,.detail-card,.quiz-card{padding:20px}.page-title{font-size:clamp(1.6rem,1.3rem + 1.2vw,2.4rem);font-weight:700;letter-spacing:-.01em;text-wrap:balance}.hero-card{position:relative;overflow:hidden}.hero-card:after{content:"";position:absolute;inset:auto -40px -40px auto;width:180px;height:180px;border-radius:999px;background:radial-gradient(circle,rgba(127,189,242,.16),transparent 68%)}.section-card__heading,.quiz-card__header,.detail-card__header{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;margin-bottom:18px}.interactive-card{border-left:3px solid var(--accent-cyan)}.reference-card{border-left:3px solid var(--text-muted)}.sub-tab-row{display:flex;gap:8px;overflow-x:auto;padding:4px 0}.sub-tab-row__link{flex:0 0 auto;white-space:nowrap}.stats-grid,.mini-card-grid,.module-grid,.split-grid,.media-grid{display:grid;gap:14px}.stats-grid,.mini-card-grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}.module-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.split-grid{grid-template-columns:1fr}.split-grid--map{align-items:start}.stat-card,.mini-card{padding:16px}.stat-card strong,.mini-card strong,.quiz-card__score{display:block;font-family:Space Mono,monospace;font-size:1.05rem;color:var(--text)}.module-card{display:flex;align-items:center;gap:16px;padding:18px;border-radius:22px;background:linear-gradient(180deg,#0f1b2aeb,#08101cfa);border:1px solid rgba(123,163,200,.14)}.module-card:hover{border-color:#7fbdf257;transform:translateY(-1px)}.module-card--locked{opacity:.78}.module-card__icon{width:52px;height:52px;display:grid;place-items:center;border-radius:16px;background:#ffffff0a;font-size:1.4rem;font-family:Space Mono,monospace}.module-card__body h3,.lecture-card h3,.flashcard h3{margin:0 0 6px;font-size:1.1rem}.learning-path,.progress-list,.detail-card__hero,.detail-card__panel-grid,.learn-more-drawer,.learn-more-drawer__content{display:grid;gap:14px}.learning-path__step,.resume-card,.progress-row{display:grid;gap:12px;color:var(--text);transition:border-color .16s ease,transform .16s ease}.learning-path__step,.progress-row{grid-template-columns:auto 1fr;align-items:center}.learning-path__body,.resume-card__body{display:grid;gap:8px}.learning-path__marker{width:40px;height:40px;display:grid;place-items:center;border-radius:999px;border:1px solid rgba(127,189,242,.24);background:#ffffff0a;font-family:Space Mono,monospace}.learning-path__marker--done{color:#d7ffe9;background:#143f307a;border-color:#8fe0c057}.resume-card,.progress-row{padding:16px;border-radius:var(--radius-md);border:1px solid rgba(123,163,200,.14);background:#ffffff08}.learning-path__step:hover,.resume-card:hover,.progress-row:hover{border-color:#7fbdf247;transform:translateY(-1px)}.resume-card{grid-template-columns:1fr auto;align-items:center}.progress-row{grid-template-columns:minmax(0,160px) 1fr auto}.progress-row__label{font-family:Space Mono,monospace;color:var(--text-soft)}.progress-meter{position:relative;display:block;width:100%;height:8px;overflow:hidden;border-radius:999px;background:#7ba3c824}.progress-meter__bar{position:absolute;inset:0 auto 0 0;border-radius:inherit;background:linear-gradient(90deg,var(--accent-cyan),#d0ebff)}.module-card__body p,.lecture-card__placeholder span,.media-slot__placeholder p,.feedback-banner p,.choice-card span,.mini-card span{margin:0;font-size:.96rem}.module-card__arrow{margin-left:auto;color:var(--text-muted);font-size:1.2rem}.module-card__status{display:inline-flex;margin-top:8px;color:var(--accent-gold);font-family:Space Mono,monospace;font-size:.74rem;letter-spacing:.03em}.schedule-list,.stack-list{display:grid;gap:10px}.schedule-item{display:grid;grid-template-columns:92px 1fr;gap:12px;padding:14px;border-radius:var(--radius-md);background:#ffffff05;border:1px solid rgba(123,163,200,.08)}.schedule-item>span{font-family:Space Mono,monospace;color:var(--accent-cyan)}.station-map{position:relative;width:100%;aspect-ratio:649 / 791;border-radius:28px;overflow:hidden;background:linear-gradient(180deg,#081321,#0b1a2b 42%,#081321);border:1px solid rgba(123,163,200,.14)}.station-map__image{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover}.station-map__image--quiz{filter:saturate(.82) brightness(.8) contrast(.92)}.station-map__connections{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;z-index:1}.station-map__quiz-scrim{position:absolute;top:0;right:0;bottom:0;left:0}.station-map__quiz-scrim{z-index:1;background:radial-gradient(circle at center,#07111d14,#07111d38),linear-gradient(180deg,#07111d14,#07111d29)}.station-map__connections line{stroke:#ebf1f547;stroke-width:2.4;stroke-dasharray:10 10}.station-map__landmark{position:absolute;border:1px solid rgba(255,255,255,.08);background:#ffffff0a}.station-map__landmark--tube{border-radius:22px}.station-map__landmark--branch{border-radius:18px}.station-map__landmark--hub{border-radius:999px}.station-map__zone{position:absolute;left:12px;font-family:Space Mono,monospace;font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;padding:2px 8px;border-radius:999px;background:#07111db8;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:4}.station-map__zone--upper{top:10px;color:var(--zone-upper-text)}.station-map__zone--subcarinal{top:44%;color:var(--zone-subcarinal-text)}.station-map__zone--hilar{top:auto;bottom:14px;color:var(--zone-hilar-text)}.station-node{position:absolute;width:38px;height:38px;transform:translate(-50%,-50%);border-radius:999px;border:2px solid color-mix(in srgb,var(--station-border) 70%,white 8%);background:#07111d2e;color:transparent;font-family:Space Mono,monospace;font-size:.85rem;z-index:5;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);box-shadow:0 0 0 1px #07111d3d}.station-node--selected{width:52px;height:52px;background:color-mix(in srgb,var(--station-bg) 76%,rgba(7,17,29,.92));color:var(--station-text);box-shadow:0 0 24px color-mix(in srgb,var(--station-border) 42%,transparent)}.station-node--correct{width:54px;height:54px;border-color:#8fe0c0eb;background:#146044e0;color:#eafff4;box-shadow:0 0 0 4px #8fe0c02e}.station-node--quiz{width:48px;height:48px;background:#07111dc2;color:var(--text)}.station-node--labeled{color:var(--station-text)}.detail-card{border-color:color-mix(in srgb,var(--detail-accent) 28%,rgba(123,163,200,.14))}.detail-card__meta,.tag-row,.button-row,.button-row--wrap{display:flex;flex-wrap:wrap;gap:10px}.chip,.tag,.action-pill,.control-pill{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 14px;border-radius:999px;border:1px solid rgba(123,163,200,.14);background:#ffffff0a;color:var(--text-soft);font-family:Space Mono,monospace;font-size:.74rem}.chip--accent,.action-pill--active,.control-pill--active{color:var(--text);background:#2d6ca338;border-color:#7fbdf247}.control-pill input{accent-color:var(--accent-cyan)}.detail-card__grid,.detail-card__column,.knobology-panel,.slider-stack{display:grid;gap:14px}.detail-card__ebus-facts-row{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(260px,.65fr);gap:14px;align-items:start}.detail-card__quick-facts{padding:18px}.detail-card__quick-facts h3{margin:0;font-size:1.2rem}.media-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.media-grid--hero{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.media-slot{display:grid;gap:8px}.media-slot__controls{display:grid;gap:10px}.media-slot__eyebrow,.quiz-card__question-meta,.knobology-frame__status,.lecture-card__meta{display:flex;justify-content:space-between;gap:8px;font-family:Space Mono,monospace;font-size:.72rem;color:var(--text-muted)}.media-slot__frame,.lecture-card__media,.lecture-card__player,.knobology-frame__screen,.doppler-lab__frame{position:relative;border-radius:20px;overflow:hidden;border:1px solid rgba(123,163,200,.14);min-height:210px;background:radial-gradient(circle at var(--anchor-x, 50%) var(--anchor-y, 50%),rgba(127,189,242,.15),transparent 26%),linear-gradient(180deg,#08111d,#111b2b)}.media-slot__frame--interactive{cursor:pointer}.media-slot__image,.media-slot__overlay,.media-slot__annotations{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.media-slot__image,.media-slot__overlay{object-fit:contain;object-position:center}.media-slot__overlay,.media-slot__annotations{opacity:0;transition:opacity .16s ease}.media-slot__overlay--visible,.media-slot__annotations--visible{opacity:1}.media-slot__annotations{overflow:visible;pointer-events:none}.media-slot__annotation{stroke-width:2}.media-slot__annotation--station{fill:#57dba829;stroke:#57dba8eb}.media-slot__annotation--structure{fill:#79bfff1a;stroke:#79bfffb8}.media-slot__annotation-label{font-family:Space Mono,monospace;font-size:22px;paint-order:stroke;stroke-width:6}.media-slot__annotation-label--station{fill:#e6fff4fa;stroke:#08111deb}.media-slot__annotation-label--structure{fill:#e6f4fff0;stroke:#08111deb}.media-slot__hint{position:absolute;inset:auto 12px 12px;padding:8px 10px;border-radius:999px;background:#08111dc7;border:1px solid rgba(127,189,242,.2);color:var(--text-soft);font-family:Space Mono,monospace;font-size:.66rem;opacity:.86;transition:background .16s ease,color .16s ease}.media-slot__hint--active{background:#0e2a1fe0;color:#d6ffeb}.media-slot__note{margin:0;color:var(--text-muted);font-size:.82rem}.media-slot__frame--upper-left{--anchor-x: 24%;--anchor-y: 24%}.media-slot__frame--upper-right{--anchor-x: 76%;--anchor-y: 24%}.media-slot__frame--middle-left{--anchor-x: 28%;--anchor-y: 50%}.media-slot__frame--middle-right{--anchor-x: 72%;--anchor-y: 50%}.media-slot__frame--center{--anchor-x: 50%;--anchor-y: 50%}.media-slot__frame--lower-left{--anchor-x: 24%;--anchor-y: 74%}.media-slot__frame--lower-right{--anchor-x: 76%;--anchor-y: 74%}.media-slot__placeholder,.lecture-card__placeholder,.empty-state,.flashcard{display:grid;place-items:center;gap:8px;text-align:center}.media-slot__placeholder,.lecture-card__placeholder{min-height:100%;padding:18px}.plain-list{margin:0;padding-left:18px;display:grid;gap:8px}.knobology-lab,.knobology-workbench,.knobology-console,.knobology-console__touch-panel,.knobology-controls,.knobology-frame{display:grid;gap:14px}.knobology-workbench{align-items:start}.knobology-frame,.knobology-console,.knobology-controls{padding:18px}.knobology-console__hero{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.knobology-console__prompt,.knobology-console__details{display:grid;gap:12px}.knobology-console__prompt{padding:12px 14px;border-radius:var(--radius-md);border:1px solid rgba(127,189,242,.2);background:linear-gradient(180deg,#14263ce0,#0b1624c2)}.knobology-console__prompt strong{font-size:1rem;line-height:1.4}.knobology-console__hero h3{margin:4px 0 0;font-size:clamp(1.08rem,.98rem + .5vw,1.35rem)}.knobology-console__hero p{margin:10px 0 0;max-width:62ch}.knobology-console__touch-panel,.knobology-rescue-card{padding:14px;border-radius:var(--radius-md);border:1px solid rgba(123,163,200,.16);background:#0a12207a}.knobology-keyboard-feedback{display:grid;gap:14px;padding:16px;border-radius:var(--radius-md);border:1px solid rgba(123,163,200,.16);background:#0a12207a}.knobology-keyboard-feedback__grid{display:grid;gap:12px}.knobology-keyboard-feedback__card{display:grid;gap:10px;padding:14px;border-radius:var(--radius-md);border:1px solid rgba(123,163,200,.12);background:#07111d7a}.knobology-keyboard-feedback__card--focus{border-color:#7fbdf242}.knobology-keyboard-feedback__card--active{border-color:#8fe0c057;background:#143f3038}.knobology-keyboard-feedback__header,.knobology-keyboard-feedback__values{display:flex;justify-content:space-between;gap:10px;align-items:flex-start;flex-wrap:wrap}.knobology-keyboard-feedback__values{font-family:Space Mono,monospace;font-size:.74rem;color:var(--text-muted)}.knobology-keyboard-feedback__status{color:var(--text);font-size:.94rem}.knobology-rescue-card strong{font-size:1.08rem}.knobology-rescue-card p{margin:0}.learn-more-drawer{padding:18px;border-radius:var(--radius-md);border:1px solid rgba(123,163,200,.16);border-left:3px solid var(--text-muted);background:#0a12207a}.learn-more-drawer__header{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.learn-more-drawer__header h3{margin:0;font-size:1.05rem}.knobology-frame__screen{aspect-ratio:772 / 418;background:#04090f}.knobology-frame__sector{position:absolute;top:10%;right:14%;bottom:7%;left:14%;background:radial-gradient(circle at 50% 0%,rgba(162,192,215,.38),rgba(12,22,33,.16) 70%,transparent 100%);clip-path:polygon(50% 0%,4% 100%,96% 100%)}.knobology-frame__haze,.knobology-frame__doppler{position:absolute;top:0;right:0;bottom:0;left:0}.knobology-frame__image-shell{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden}.knobology-frame__image{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:contain;object-position:center top;transition:filter .18s ease,transform .18s ease}.knobology-frame__image--field{pointer-events:none}.knobology-frame__video-shell{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden;background:#02060a}.knobology-frame__video,.doppler-lab__video{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:contain;background:#02060a}.knobology-frame__video-empty{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;padding:18px;color:#ebf1f5b8;font-family:Space Mono,monospace;font-size:.78rem;text-align:center;background:linear-gradient(135deg,rgba(127,189,242,.06),transparent 38%),#02060a}.knobology-frame__haze{background:#9baab92e;mix-blend-mode:screen}.knobology-frame__node{position:absolute;left:50%;transform:translate(-50%);border:2px solid rgba(225,241,255,.4);border-radius:999px;background:radial-gradient(circle,#364a5ae0,#182732a8 72%)}.knobology-frame__speck{position:absolute;width:2px;height:2px;border-radius:999px;background:#d2e0eda8}.knobology-frame__doppler{left:42%;top:42%;width:18%;height:14%;border-radius:999px;background:radial-gradient(circle,rgba(233,67,51,.8),rgba(46,104,231,.6) 60%,transparent 100%);filter:blur(4px)}.knobology-frame__measurement-layer{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.knobology-frame__measurement-panel{position:absolute;left:16px;top:68px;display:grid;grid-template-columns:auto auto;gap:4px 10px;min-width:108px;padding:10px 12px;border-radius:14px;background:#07111d8a;color:#d7f6ff;font-family:Space Mono,monospace;font-size:.7rem;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.knobology-frame__measurement-panel strong{color:#59f3ff;font-weight:700}.knobology-frame__measurement-line{position:absolute;height:0;border-top:3px dotted #32f0ff;transform-origin:left center;filter:drop-shadow(0 0 6px rgba(50,240,255,.38))}.knobology-frame__measurement-marker{position:absolute;width:18px;height:18px;transform:translate(-50%,-50%)}.knobology-frame__measurement-marker:before,.knobology-frame__measurement-marker:after{content:"";position:absolute;left:50%;top:50%;width:14px;height:2px;border-radius:999px;background:#32f0ff;box-shadow:0 0 6px #32f0ff70}.knobology-frame__measurement-marker:before{transform:translate(-50%,-50%) rotate(45deg)}.knobology-frame__measurement-marker:after{transform:translate(-50%,-50%) rotate(-45deg)}.knobology-frame__measurement-marker--active:before,.knobology-frame__measurement-marker--active:after{background:#7ff8ff}.knobology-frame__measurement-marker--active{filter:drop-shadow(0 0 10px rgba(127,248,255,.56))}.knobology-frame__measurement-label{position:absolute;transform:translate(10px,-18px);color:#59f3ff;font-family:Space Mono,monospace;font-size:.76rem;font-weight:700;text-shadow:0 0 10px rgba(50,240,255,.28)}.knobology-frame__focus-marker{position:absolute;left:12%;right:12%;height:2px;border-top:2px dashed rgba(141,212,255,.72);opacity:.75}.knobology-frame__waveform{position:absolute;inset:auto 10% 10% 10%;height:16%;display:flex;align-items:end;gap:4px;padding:10px 12px;border-radius:14px;background:#07111db8;border:1px solid rgba(123,163,200,.18)}.knobology-frame__waveform-bar{flex:1;min-height:16%;border-radius:999px 999px 0 0;background:linear-gradient(180deg,#87d6ffeb,#4385d24d)}.knobology-frame__pip{position:absolute;top:14px;right:14px;width:24%;aspect-ratio:4 / 3;border-radius:14px;overflow:hidden;border:1px solid rgba(127,189,242,.28);background:#07111dd1;box-shadow:0 12px 28px #04080c42}.knobology-frame__pip strong{position:absolute;inset:10px 8px auto;color:#ebf1f5d6;font-family:Space Mono,monospace;font-size:.58rem;line-height:1.35}.knobology-frame__pip img{width:100%;height:100%;object-fit:cover;filter:brightness(1.02) contrast(1.08)}.knobology-frame__pip span{position:absolute;right:8px;bottom:8px;padding:3px 6px;border-radius:999px;background:#07111dcc;font-family:Space Mono,monospace;font-size:.64rem}.knobology-frame__comments{position:absolute;top:0;right:0;bottom:0;left:0}.knobology-frame__comment{position:absolute;padding:5px 8px;border-radius:999px;background:#f7ebadeb;color:#2f240e;font-family:Space Mono,monospace;font-size:.62rem;box-shadow:0 8px 18px #0d12182e}.knobology-frame__menu{position:absolute;left:14px;bottom:14px;display:grid;gap:6px;min-width:180px;padding:12px 14px;border-radius:14px;background:#07111dd1;border:1px solid rgba(127,189,242,.22);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);font-family:Space Mono,monospace;font-size:.72rem}.knobology-frame__cine-strip{position:absolute;inset:auto 14px 14px auto;display:grid;gap:6px;width:min(48%,220px);padding:10px 12px;border-radius:14px;background:#07111dbd;border:1px solid rgba(127,189,242,.18);font-family:Space Mono,monospace;font-size:.68rem}.knobology-frame__cine-track{position:relative;height:6px;border-radius:999px;background:#ffffff1a}.knobology-frame__cine-thumb{position:absolute;top:50%;width:12px;height:12px;border-radius:999px;background:#8fd7ff;transform:translate(-50%,-50%);box-shadow:0 0 0 4px #8fd7ff2e}.knobology-frame__status{position:absolute;inset:10px 12px auto;flex-wrap:wrap;justify-content:flex-start;align-items:center}.knobology-frame__segment-chip{position:absolute;left:12px;bottom:12px;display:flex;flex-wrap:wrap;align-items:center;gap:8px;max-width:calc(100% - 24px);padding:8px 10px;border-radius:12px;background:#07111db8;border:1px solid rgba(127,189,242,.18);color:#ebf1f5d6;font-family:Space Mono,monospace;font-size:.68rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.knobology-frame__segment-chip strong{color:#a8f2d1;font-size:.62rem;text-transform:uppercase}.knobology-frame__status-line{margin:10px 0 0;font-family:Space Mono,monospace;font-size:.82rem;color:var(--text-soft)}.knobology-frame__media-note{margin-top:10px;font-size:.86rem;color:var(--text-muted)}.eu-me2{display:grid;gap:10px;margin:0}.eu-me2__frame{position:relative;border-radius:18px;overflow:hidden;border:1px solid rgba(123,163,200,.16);background:linear-gradient(180deg,#0a121ff0,#161c26f0)}.eu-me2__image{display:block;width:100%;height:100%;object-fit:cover}.eu-me2__panel-viewport{position:absolute;overflow:hidden;pointer-events:none;border-radius:12px}.eu-me2__panel-image{position:absolute;display:block;max-width:none;filter:brightness(1.01) contrast(1.03)}.eu-me2__overlay{position:absolute;top:0;right:0;bottom:0;left:0}.eu-me2__hotspot,.eu-me2__region,.eu-me2__trackball,.eu-me2__trackball-control{position:absolute}.eu-me2__hotspot{border:1px solid transparent;background:transparent;transition:border-color .14s ease,box-shadow .14s ease,background .14s ease,transform .14s ease}.eu-me2--hinted .eu-me2__hotspot{border-color:#7fbdf294;background:#7fbdf21f;box-shadow:0 0 0 2px #7fbdf224;animation:hotspot-pulse 2.4s ease-in-out infinite}.eu-me2__hotspot:hover,.eu-me2__hotspot:focus-visible,.eu-me2__hotspot--active,.eu-me2--debug .eu-me2__hotspot{border-color:#5befabe6;background:#5befab26;box-shadow:0 0 0 3px #5befab1f}.eu-me2__trackball-control{border-radius:999px;border:1px solid rgba(127,189,242,.42);background:#7fbdf21a;box-shadow:inset 0 0 0 1px #060f1857;cursor:grab;touch-action:none;transition:border-color .14s ease,box-shadow .14s ease,background .14s ease,transform .14s ease}.eu-me2__trackball-control:hover,.eu-me2__trackball-control:focus-visible,.eu-me2__trackball-control--active{border-color:#5befabe6;background:#5befab24;box-shadow:inset 0 0 0 1px #060f1857,0 0 0 3px #5befab1f}.eu-me2__trackball-control--dragging{cursor:grabbing;transform:scale(1.03)}.eu-me2__trackball-control:focus-visible{outline:none}.eu-me2--editor .eu-me2__hotspot{cursor:grab;touch-action:none}.eu-me2--editor .eu-me2__hotspot:active{cursor:grabbing}.eu-me2__hotspot--selected{border-color:#e6bd79f5;background:#e6bd7929;box-shadow:0 0 0 4px #e6bd7924}.eu-me2__hotspot:focus-visible{outline:none}.eu-me2__hotspot-label,.eu-me2__region span,.eu-me2__trackball span,.eu-me2__trackball-label{position:absolute;top:-2px;left:50%;transform:translate(-50%,-100%);padding:4px 6px;border-radius:8px;background:#07111ddb;color:#eff8ff;font-family:Space Mono,monospace;font-size:.58rem;line-height:1.3;white-space:nowrap;pointer-events:none}.eu-me2__hotspot-label small{display:block;color:#92d4ff}.eu-me2__region,.eu-me2__trackball{border:1px dashed rgba(127,189,242,.76);background:#7fbdf214;pointer-events:none}.eu-me2__trackball{border-radius:999px}.eu-me2__caption{margin:0;color:var(--text-muted);font-size:.8rem}@keyframes hotspot-pulse{0%,to{box-shadow:0 0 0 2px #7fbdf224}50%{box-shadow:0 0 0 7px #7fbdf214}}.slider-field{display:grid;grid-template-columns:84px 1fr 48px;gap:12px;align-items:center}.slider-field span,.slider-field strong{font-family:Space Mono,monospace}.slider-field input{accent-color:var(--accent-cyan)}.feedback-banner{padding:14px 16px;border-radius:var(--radius-sm);border:1px solid rgba(225,161,168,.22);background:#55161f57}.feedback-banner--success{border-color:#8fe0c038;background:#143f305c}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border-radius:999px;border:1px solid rgba(127,189,242,.32);background:#2d6ca333;color:var(--text);font-family:Space Mono,monospace}.button:disabled{opacity:.4;cursor:default}.button--ghost{background:transparent;border-color:#7ba3c824;color:var(--text-soft)}.top-header__action{align-self:flex-end;min-height:38px;padding:0 14px}.doppler-lab{display:grid;gap:14px}.doppler-lab__frame{min-height:240px}.doppler-lab__video{width:100%;height:100%;object-fit:contain}.doppler-lab__target,.doppler-lab__vessel{position:absolute;border-radius:999px}.doppler-lab__target{top:30%;right:36%;bottom:28%;left:34%;border:2px solid rgba(224,235,247,.3);background:#37465299}.doppler-lab__vessel{top:44%;right:26%;bottom:34%;left:20%;background:linear-gradient(90deg,#de4432c7,#2e68e7b8);filter:blur(8px)}.doppler-lab__label{position:absolute;left:14px;bottom:14px;right:14px;font-family:Space Mono,monospace;font-size:.72rem;color:#ebf1f5d1;padding:10px 12px;border-radius:12px;background:#07111dad;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.doppler-lab__state{position:absolute;top:14px;left:14px;font-family:Space Mono,monospace;font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;color:var(--accent-cyan);padding:8px 12px;border-radius:999px;background:#07111db8;border:1px solid rgba(127,189,242,.18);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.choice-card{display:grid;gap:4px;width:100%;padding:14px 16px;border-radius:var(--radius-sm);border:1px solid rgba(123,163,200,.14);background:#ffffff08;text-align:left;color:var(--text);transition:border-color .16s ease,background .16s ease,transform .16s ease}.choice-card:has(.choice-card__mark){grid-template-columns:auto 1fr}.choice-card--selected{border-color:#7fbdf2b8;background:#2d6ca352;box-shadow:0 0 0 2px #7fbdf238,0 14px 28px #0000002e}.choice-card strong{font-size:1.12rem;line-height:1.36}.choice-card__mark{width:28px;height:28px;display:inline-grid;place-items:center;border-radius:999px;background:#ffffff14;font-family:Space Mono,monospace;font-size:1rem;grid-row:span 2}.pretest-chip-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(52px,1fr));gap:10px}.pretest-chip{width:100%;min-height:46px;justify-content:center}.pretest-chip--answered{color:var(--accent-green);border-color:#8fe0c047;background:#143f303d}.pretest-chip--active{color:var(--text);border-color:#7fbdf257;background:#2d6ca33d}.pretest-figure{display:grid;gap:10px;margin:0 0 20px}.pretest-figure img{border-radius:20px;border:1px solid rgba(123,163,200,.14);background:radial-gradient(circle at center,rgba(127,189,242,.12),transparent 24%),linear-gradient(180deg,#08111d,#111b2b);max-height:420px;object-fit:contain}.pretest-figure figcaption{color:var(--text-muted);font-family:Space Mono,monospace;font-size:.72rem;letter-spacing:.04em}.pretest-unlock-form{display:grid;gap:14px;max-width:520px}.pretest-unlock-form .button{justify-self:start}.choice-card--correct{border-color:#8fe0c042;background:#143f304d}.choice-card--incorrect{border-color:#e1a1a842;background:#55161f47}.lecture-card{padding:18px}.lecture-card--locked{opacity:.64}.lecture-card__header,.lecture-card__actions{display:flex;gap:16px}.lecture-card__header{align-items:center}.lecture-card__title-block{flex:1;min-width:0}.lecture-card__thumb{width:72px;height:72px;flex:0 0 72px;border-radius:16px;object-fit:cover;border:1px solid rgba(123,163,200,.18);background:#ffffff0d}.lecture-card__thumb--placeholder{display:grid;place-items:center;color:var(--accent-cyan);font-family:Space Mono,monospace;font-size:1.2rem}.lecture-card__number{margin-bottom:4px;color:var(--accent-cyan);font-family:Space Mono,monospace;font-size:.94rem;font-weight:700}.lecture-card h3{font-size:clamp(1.24rem,1.08rem + .45vw,1.58rem)}.lecture-card__toggle{width:42px;height:42px;flex:0 0 42px;border-radius:999px;border:1px solid rgba(123,163,200,.18);background:#ffffff0a;color:var(--text);font-family:Space Mono,monospace;font-size:1rem}.lecture-card__actions,.lecture-card__player{margin-top:14px}.lecture-card__player iframe,.lecture-card__player video{min-height:280px;border:0}.lecture-card__status{display:inline-flex;margin-top:14px;color:var(--accent-gold);font-family:Space Mono,monospace;font-size:.74rem;letter-spacing:.03em}.quiz-card__header h2{font-size:1.02rem;line-height:1.42}.quiz-card--large-stem .quiz-card__header h2{font-size:clamp(1.22rem,1.08rem + .55vw,1.55rem);line-height:1.36}.section-card--locked{opacity:.72}html[data-theme=light] .choice-card{border-color:#46637e29;background:#ffffffb8}html[data-theme=light] .choice-card--selected{border-color:#126eaccc;background:#126eac2e;box-shadow:0 0 0 2px #126eac24,0 14px 26px #4a668229}html[data-theme=light] .choice-card--correct{border-color:#207a5b57;background:#207a5b24}html[data-theme=light] .choice-card--incorrect{border-color:#a7445557;background:#a744551f}.aabip-video-library{display:grid;gap:18px}.aabip-video-library__player,.aabip-video-library__playlist{display:grid;gap:14px}.aabip-video-library__player-meta{display:grid;gap:8px}.aabip-video-library__player-meta h3,.aabip-video-library__playlist h3{margin:0;font-size:clamp(1.08rem,.98rem + .5vw,1.28rem)}.aabip-video-library__player-meta p,.aabip-video-library__playlist-header p{margin:0}.aabip-video-library__playlist-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.aabip-video-library__list{margin:0;padding:0;list-style:none;display:grid;gap:10px}.aabip-video-library__list-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:stretch}.aabip-video-library__video-button{display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;align-items:center;width:100%;padding:12px 14px;border-radius:var(--radius-md);border:1px solid rgba(123,163,200,.14);background:#ffffff0a;color:var(--text);font:inherit;text-align:left;text-decoration:none}.aabip-video-library__video-button--active{border-color:#7fbdf24d;background:#2d6ca32e}.aabip-video-library__video-index{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;border-radius:999px;border:1px solid rgba(127,189,242,.22);color:var(--text-soft);font-family:Space Mono,monospace;font-size:.72rem}.aabip-video-library__video-copy{display:grid;gap:4px;min-width:0}.aabip-video-library__video-copy strong{font-size:.96rem;line-height:1.45}.aabip-video-library__video-copy span{color:var(--text-muted);font-family:Space Mono,monospace;font-size:.72rem}.quiz-card__progress{display:grid;grid-template-columns:repeat(auto-fit,minmax(22px,1fr));gap:6px;margin-bottom:14px}.quiz-card__progress-pill{height:5px;border-radius:999px;background:#7ba3c824}.quiz-card__progress-pill--active{background:var(--accent-cyan)}.quiz-card__progress-pill--answered{background:var(--accent-gold)}.quiz-card__progress-pill--correct{background:var(--accent-green)}.quiz-card__progress-pill--incorrect{background:var(--accent-rose)}.flashcard{min-height:220px;padding:20px;cursor:pointer}.flashcard__station{font-family:Space Mono,monospace;font-size:3rem;color:var(--accent-cyan)}.empty-state{min-height:220px;padding:20px}.empty-state__icon{font-size:2rem;color:var(--text-muted)}.input,.select{min-height:44px;padding:0 14px;border-radius:999px;border:1px solid rgba(123,163,200,.18);background:#ffffff0a;color:var(--text)}.field{display:grid;gap:8px}.field span{font-family:Space Mono,monospace;font-size:.78rem;color:var(--text-soft)}.field__help{color:var(--text-muted);font-size:.82rem;line-height:1.4}.field input,.field select,.field textarea{min-height:46px;padding:0 16px;border-radius:16px;border:1px solid rgba(123,163,200,.18);background:#ffffff0d;color:var(--text)}.field textarea{min-height:112px;padding:14px 16px;resize:vertical}.field select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:linear-gradient(45deg,transparent 50%,var(--text-soft) 50%) calc(100% - 20px) 20px / 6px 6px no-repeat,linear-gradient(135deg,var(--text-soft) 50%,transparent 50%) calc(100% - 14px) 20px / 6px 6px no-repeat,#ffffff0d;padding-right:42px}.field input:disabled{opacity:.72}.auth-card{max-width:720px}.learner-access-box,.auth-form{display:grid;gap:14px}.learner-access-box>p{margin:0}.learner-access-box__tabs,.learner-access-box__status,.welcome-step__heading{display:flex;gap:14px}.learner-access-box__tabs{flex-wrap:wrap}.learner-access-box__status{align-items:center;justify-content:space-between}.learner-access-box__status strong{display:block;margin-bottom:6px;color:var(--text)}.learner-access-box__status p{margin:0}.welcome-step{display:grid;gap:16px}.welcome-step__heading{align-items:flex-start}.welcome-step__heading--standalone{padding:0 2px}.welcome-step__heading h2{margin:0}.welcome-step__heading p{margin:8px 0 0;color:var(--text-soft)}.welcome-step__number{display:inline-grid;place-items:center;width:46px;height:46px;flex:0 0 46px;border-radius:999px;border:1px solid rgba(127,189,242,.3);background:#2d6ca338;color:var(--accent-cyan);font-family:Space Mono,monospace;font-size:.86rem;font-weight:700}.welcome-step__actions{padding:0 2px}.welcome-step__completion{display:grid;gap:10px;padding:16px;border-radius:var(--radius-sm);border:1px solid rgba(127,189,242,.2);background:#ffffff08}.welcome-step__completion p{margin:0;color:var(--text-soft)}.support-contact-list{display:flex;flex-wrap:wrap;gap:8px}.support-contact-list span{border:1px solid rgba(143,224,192,.2);border-radius:999px;padding:6px 10px;background:#143f3038;color:var(--text-soft);font-family:Space Mono,monospace;font-size:.72rem}.profile-form__grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}.auth-card__message,.auth-card__error{margin:0;padding:14px 16px;border-radius:var(--radius-sm);font-family:Space Mono,monospace}.auth-card__helper{margin:0;color:var(--text-soft)}.auth-card__helper strong{color:var(--text)}.auth-card__message{border:1px solid rgba(143,224,192,.24);background:#143f3052;color:#d7ffe9}.auth-card__error{border:1px solid rgba(225,161,168,.22);background:#55161f57;color:#ffd8dc}.admin-dashboard__header,.admin-learner-card__header,.admin-progress-summary,.admin-module-progress__row{display:flex;gap:14px}.admin-dashboard__header{justify-content:space-between;align-items:flex-start;padding:20px;border-radius:var(--radius-lg);border:1px solid rgba(123,163,200,.14);background:linear-gradient(180deg,#122235ad,#08101ceb)}.admin-dashboard__header h2,.admin-learner-card h3{margin:0}.admin-dashboard__header p,.admin-learner-card p{margin:8px 0 0;color:var(--text-soft)}.admin-summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}.admin-summary-card,.admin-learner-card,.admin-empty-state{border-radius:var(--radius-md);border:1px solid rgba(123,163,200,.14);background:#ffffff09}.admin-summary-card{display:grid;gap:8px;padding:16px}.admin-summary-card span,.admin-progress-summary span,.admin-module-progress__row span,.admin-info-grid dt{font-family:Space Mono,monospace;font-size:.74rem;color:var(--text-muted)}.admin-summary-card strong{font-family:Space Mono,monospace;font-size:1.4rem;color:var(--text)}.admin-summary-card--pending{border-color:#e6bd7947;background:#5b43182e}.admin-toolbar{display:flex;flex-wrap:wrap;gap:8px}.admin-filter-button{min-height:42px;padding:0 14px;border-radius:999px;border:1px solid rgba(123,163,200,.16);background:#ffffff08;color:var(--text-soft);font-family:Space Mono,monospace}.admin-filter-button--active{color:var(--text);border-color:#7fbdf257;background:#2d6ca338}.admin-learner-list{display:grid;gap:14px}.admin-empty-state{padding:24px;color:var(--text-soft);text-align:center}.admin-learner-card{display:grid;gap:16px;padding:18px}.admin-learner-card--pending{border-color:#e6bd793d}.admin-learner-card__header{justify-content:space-between;align-items:flex-start}.admin-learner-card__actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px}.admin-status{display:inline-flex;align-items:center;min-height:40px;padding:0 12px;border-radius:999px;border:1px solid rgba(123,163,200,.14);font-family:Space Mono,monospace;font-size:.74rem;text-transform:uppercase}.admin-status--approved{color:#d7ffe9;border-color:#8fe0c047;background:#143f3042}.admin-status--pending{color:#ffe1a8;border-color:#e6bd7947;background:#5b43183d}.admin-info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:0}.admin-info-grid div,.admin-progress-summary div{min-width:0}.admin-info-grid dd{margin:4px 0 0;overflow-wrap:anywhere;color:var(--text)}.admin-progress-summary{flex-wrap:wrap;padding:14px;border-radius:var(--radius-md);background:#07111d6b}.admin-progress-summary div{flex:1 1 150px;display:grid;gap:6px}.admin-progress-summary strong{font-family:Space Mono,monospace;color:var(--text)}.admin-answer-stack,.admin-answer-list,.admin-answer-row,.admin-answer-row dl,.admin-survey-row{display:grid;gap:10px}.admin-answer-stack{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.admin-answer-panel{min-width:0;padding:12px;border-radius:var(--radius-md);border:1px solid rgba(123,163,200,.14);background:#07111d57}.admin-answer-panel summary{display:flex;justify-content:space-between;gap:12px;cursor:pointer}.admin-answer-panel summary span,.admin-answer-row dt,.admin-answer-row__index{font-family:Space Mono,monospace;font-size:.72rem;color:var(--text-muted)}.admin-answer-panel p,.admin-answer-row p,.admin-survey-row p{margin:0;color:var(--text-soft)}.admin-answer-list{margin-top:12px}.admin-answer-row,.admin-survey-row{padding:12px;border-radius:var(--radius-sm);border:1px solid rgba(123,163,200,.12);background:#ffffff06}.admin-survey-row strong{color:var(--text);overflow-wrap:anywhere}.admin-answer-row--correct{border-color:#8fe0c038}.admin-answer-row--incorrect{border-color:#e1a1a833}.admin-answer-row dl{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));margin:0}.admin-answer-row dd{margin:4px 0 0;overflow-wrap:anywhere;color:var(--text)}.admin-module-progress{display:grid;gap:10px}.admin-module-progress__row{display:grid;grid-template-columns:minmax(120px,180px) minmax(120px,1fr) 48px;align-items:center}.admin-module-progress__row strong{font-family:Space Mono,monospace;color:var(--text-soft);text-align:right}.accordion{display:grid;gap:2px}.accordion__panel{border-radius:var(--radius-sm);background:#ffffff05}.accordion__trigger{display:flex;justify-content:space-between;align-items:center;width:100%;padding:14px 16px;border:none;border-radius:var(--radius-sm);background:#ffffff08;color:var(--text);font-family:Space Mono,monospace;font-size:.88rem;text-align:left;cursor:pointer;transition:background .12s ease}.accordion__trigger:hover,.accordion__trigger:focus-visible{background:#ffffff0f}.accordion__content{padding:16px;animation:accordion-slide .2s ease}@keyframes accordion-slide{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.accordion__trigger:focus-visible,.button:focus-visible,.button--ghost:focus-visible,.control-pill:focus-visible,.sub-tab-row__link:focus-visible,.choice-card:focus-visible,.progress-row:focus-visible,.resume-card:focus-visible,.learning-path__step:focus-visible{outline:2px solid rgba(127,189,242,.72);outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.case3d-layout{display:grid;gap:18px}.case3d-layout--field{padding:14px}.case3d-fullscreen-module{position:relative;display:grid;grid-template-columns:minmax(280px,.78fr) minmax(460px,1.55fr) minmax(300px,.82fr);gap:12px;width:100%;height:clamp(680px,calc(100dvh - 360px),980px);padding:12px;overflow:hidden;background:linear-gradient(180deg,#050d16fa,#02070d),radial-gradient(circle at 50% 0%,rgba(127,189,242,.1),transparent 32%);border-radius:var(--radius-lg)}.case3d-control-panel,.case3d-scene-panel,.case3d-ct-strip{min-height:0;border-radius:18px;border:1px solid rgba(123,163,200,.16);background:linear-gradient(180deg,#101e2ed1,#070f1af5)}.case3d-control-panel,.case3d-ct-strip{overflow:auto;padding:14px}.case3d-control-panel{display:grid;align-content:start;gap:12px}.case3d-scene-panel{display:grid;grid-template-rows:auto minmax(0,1fr);gap:12px;padding:14px}.case3d-scene-panel__header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.case3d-scene-panel__header h2{margin:0;font-size:1.08rem}.case3d-scene-panel__header .case3d-button{width:auto}.case3d-scene-hint{position:absolute;top:12px;left:12px;z-index:2;max-width:min(420px,calc(100% - 24px));padding:8px 10px;border-radius:999px;border:1px solid rgba(127,189,242,.22);background:#070f1ab8;color:var(--text-soft);font-size:.84rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.case3d-sidebar,.case3d-main,.case3d-grid,.case3d-ct-strip{display:grid;gap:16px}.case3d-workspace{display:grid;gap:16px;align-items:stretch;min-width:0}.case3d-ct-strip{align-content:start;min-width:0}.case3d-ct-strip__header{display:flex;align-items:end;justify-content:space-between;flex-wrap:wrap;gap:10px;min-height:34px}.case3d-ct-strip__header h3{margin:0;font-size:1rem}.case3d-panel{position:relative;display:grid;gap:14px;padding:18px;border-radius:var(--radius-lg);border:1px solid rgba(123,163,200,.16);background:linear-gradient(180deg,#101e2ed1,#070f1af5)}.case3d-panel--field{grid-template-rows:auto minmax(0,1fr);min-height:clamp(560px,calc(100dvh - 184px),900px)}.case3d-panel h3{margin:0;font-size:1.1rem}.case3d-panel__header{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}.case3d-panel__header-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}.case3d-panel__header-actions .case3d-button{width:auto}.case3d-panel__viewport{position:relative;min-height:280px;overflow:hidden;border-radius:18px;border:1px solid rgba(123,163,200,.16);background:linear-gradient(180deg,#080f19eb,#04080efa),radial-gradient(circle at top left,rgba(127,189,242,.08),transparent 30%)}.case3d-panel__viewport--hero{min-height:460px}.case3d-scene-panel .case3d-panel__viewport--hero,.case3d-panel--field .case3d-panel__viewport--hero{height:100%;min-height:0}.case3d-hero{display:grid;gap:16px}.case3d-hero__controls{display:grid;gap:14px;align-content:start}.case3d-hero__control-group{display:grid;gap:12px;padding:16px;border-radius:18px;border:1px solid rgba(123,163,200,.14);background:#ffffff08}.case3d-hero__control-title{margin:4px 0 0;font-size:1rem}.case3d-toggle-list{display:grid;gap:10px}.case3d-toggle-list--columns{grid-template-columns:repeat(2,minmax(0,1fr))}.case3d-plane-slider-list{display:grid;gap:10px}.case3d-panel__placeholder{min-height:280px;display:grid;place-items:center;padding:24px;text-align:center;color:var(--text-soft)}.case-vtk-viewport{width:100%;height:100%;min-height:inherit}.case3d-select,.case3d-slider{display:grid;gap:8px}.case3d-select span,.case3d-slider span,.case3d-toggle span,.case3d-note{color:var(--text-soft)}.case3d-select select,.case3d-slider input[type=range],.case3d-button{width:100%}.case3d-select select{min-height:46px;padding:0 14px;border-radius:16px;border:1px solid rgba(123,163,200,.18);background:#ffffff0a;color:var(--text)}.case3d-slider input[type=range]{accent-color:var(--accent-cyan)}.case3d-toggle{display:flex;align-items:center;gap:10px}.case3d-toggle input{width:18px;height:18px}.case3d-ct-overlay-toggle{min-height:38px;padding:8px 10px;border-radius:12px;border:1px solid rgba(127,189,242,.22);background:#ffffff0a}.case3d-button{min-height:44px;padding:0 16px;border:1px solid rgba(127,189,242,.28);border-radius:999px;background:#7fbdf21f;color:var(--text)}.case3d-button--secondary{background:#ffffff0a}.case3d-button--overlay{width:auto;min-width:0;background:#070f1ac2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.case3d-button-row{display:flex;flex-wrap:wrap;gap:8px}.case3d-button-row .case3d-button{width:auto;flex:1 1 112px}.case3d-note{margin:0;font-size:.9rem;line-height:1.5}.case3d-segment-section{display:grid;gap:10px}.case3d-segment-section__title{color:var(--text);font-size:.92rem}.case3d-segment-section__heading{display:grid;gap:10px}.case3d-segment-list{display:grid;gap:10px;max-height:260px;overflow:auto;padding-right:6px}.case3d-slice-card--compact{gap:10px;padding:14px}.case3d-slice-card--compact .case3d-panel__viewport{min-height:170px;border-radius:14px}.case3d-slice-card--compact .case3d-panel__placeholder{min-height:170px}.page-stack--course-overview{gap:28px}.course-hero,.course-section{position:relative}.course-hero{margin:-22px -22px 0;overflow:hidden;background:radial-gradient(circle at top left,rgba(180,36,68,.22),transparent 32%),radial-gradient(circle at 78% 18%,rgba(127,189,242,.24),transparent 34%),linear-gradient(135deg,#0b1421fa,#07111df0);border-bottom:1px solid rgba(123,163,200,.12)}.course-endorsement{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:18px;width:min(100%,760px);overflow:hidden;padding:10px 20px 10px 10px;border-radius:18px;border:1px solid rgba(123,163,200,.2);background:#fff;color:#111827;box-shadow:0 18px 46px #00000029}.course-endorsement__seal{width:100px;height:100px;overflow:hidden;border-radius:999px;flex:0 0 auto}.course-endorsement__seal img{width:100%;height:100%;object-fit:cover;object-position:left center}.course-endorsement p{margin:0;color:#111827;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:clamp(1rem,.92rem + .35vw,1.2rem);line-height:1.45}html[data-theme=light] .course-endorsement{border-color:#46637e2e;box-shadow:0 16px 38px #4a668224}.course-hero:before,.course-hero:after{content:"";position:absolute;border-radius:999px;pointer-events:none}.course-hero:before{inset:auto auto -120px -80px;width:280px;height:280px;background:radial-gradient(circle,rgba(180,36,68,.24),transparent 68%)}.course-hero:after{inset:40px -60px auto auto;width:300px;height:300px;background:radial-gradient(circle,rgba(127,189,242,.18),transparent 66%)}.course-hero__inner{display:grid;gap:28px;padding:26px 22px 30px}.course-hero__content,.course-hero__media,.course-section,.course-panel,.course-route-list,.course-track-list,.course-topic-list,.course-step-list,.course-gallery,.course-highlight-grid,.course-agenda,.course-fact-grid{display:grid;gap:16px}.course-hero__content{align-content:start}.course-hero__brand{display:flex;align-items:flex-start;gap:16px;padding:14px;border-radius:22px;border:1px solid rgba(123,163,200,.14);background:#07111d8a;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);animation:courseFadeUp .56s ease both}.course-hero__logo{width:min(180px,42vw);flex:0 0 auto;filter:drop-shadow(0 14px 28px rgba(0,0,0,.28))}.course-hero__brand-copy{display:grid;gap:4px}.course-hero__brand-line,.course-hero__department,.course-hero__lead,.course-meta-card p,.course-fact p,.course-highlight p,.course-panel p,.course-track p,.course-topic,.course-agenda__item p,.course-gallery__item figcaption,.course-route p,.course-directors span{margin:0}.course-hero__brand-line,.course-directors strong{color:var(--text);font-size:1rem;font-weight:700}.course-hero__department{color:var(--text-soft);line-height:1.5}.course-hero__title{margin:0;font-size:clamp(2.3rem,1.75rem + 2vw,4rem);line-height:.96;letter-spacing:-.04em;max-width:12ch;text-wrap:balance;animation:courseFadeUp .64s ease both}.course-hero__lead{max-width:62ch;color:var(--text-soft);font-size:1.05rem;line-height:1.7;animation:courseFadeUp .72s ease both}.course-hero__meta-grid,.course-fact-grid,.course-highlight-grid,.course-topic-list,.course-track-list,.course-gallery,.course-section--grid,.course-workspace{grid-template-columns:1fr}.course-hero__meta-grid{display:grid;gap:12px}.course-meta-card,.course-highlight,.course-panel,.course-hero__callout,.course-route,.course-resume-card,.course-step,.course-gallery__item,.course-agenda__item{border-radius:24px;border:1px solid rgba(123,163,200,.14);background:linear-gradient(180deg,#122235b8,#08101cf0)}.course-meta-card{padding:16px}.course-meta-card span,.course-route h3,.course-step__percent,.course-hero__media-primary figcaption,.course-hero__media-secondary figcaption,.course-address,.course-topic{font-family:Space Mono,monospace}.course-meta-card span,.course-route h3,.course-step__percent{color:var(--text-muted);font-size:.76rem;text-transform:uppercase;letter-spacing:.08em}.course-meta-card strong{display:block;margin-top:8px;color:var(--text);font-size:1.05rem}.course-fact-grid{display:grid;gap:12px}.course-fact{padding:16px;border-radius:22px;border:1px solid rgba(123,163,200,.12);background:#ffffff0a;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);transition:transform .18s ease,border-color .18s ease,background .18s ease}.course-fact strong{display:block;margin-bottom:8px;font-size:1.4rem;line-height:1}.course-fact span{display:block;color:var(--text);font-size:.92rem}.course-fact p,.course-highlight p,.course-panel p,.course-track p,.course-gallery__item figcaption,.course-route p,.course-agenda__item p{color:var(--text-soft);line-height:1.6}.course-fact:hover,.course-highlight:hover,.course-route:hover,.course-step:hover,.course-gallery__item:hover{transform:translateY(-2px);border-color:#7fbdf247}.course-hero__media{align-content:start}.course-hero__media-primary,.course-hero__media-secondary{position:relative;overflow:hidden;margin:0;border-radius:30px;box-shadow:0 28px 80px #00000052}.course-hero__media-primary{min-height:320px;animation:courseZoomIn .76s ease both}.course-hero__media-secondary{min-height:220px;animation:courseFadeUp .78s ease both}.course-hero__media-primary img,.course-hero__media-secondary img,.course-gallery__item img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease}.course-gallery__item:hover img,.course-hero__media-primary:hover img,.course-hero__media-secondary:hover img{transform:scale(1.03)}.course-hero__media-primary figcaption,.course-hero__media-secondary figcaption{position:absolute;left:18px;right:18px;bottom:16px;padding:10px 12px;border-radius:999px;background:#07111dc2;color:var(--text);font-size:.7rem}.course-hero__media-stack{display:grid;gap:16px}.course-hero__callout,.course-highlight,.course-panel,.course-route,.course-resume-card,.course-step,.course-gallery__item,.course-agenda__item{padding:18px}.course-hero__callout h3,.course-highlight h3,.course-panel h2,.course-track h3,.course-route h3{margin:0}.course-hero__callout h3{font-size:1.15rem;line-height:1.3}.course-checklist,.course-institution-list{display:grid;gap:10px;padding:0;margin:0;list-style:none}.course-checklist li{position:relative;padding-left:18px;color:var(--text-soft);line-height:1.6}.course-checklist li:before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:999px;background:linear-gradient(135deg,var(--accent-gold),var(--accent-cyan))}.course-checklist--muted li:before{background:linear-gradient(135deg,#b42444e6,#e6bd79f2)}.course-section{gap:20px}.course-section__heading,.course-section__lede,.course-directors{display:grid;gap:10px}.course-section__heading h2,.course-section__lede h2,.course-panel h2{margin:0;font-size:clamp(1.45rem,1.2rem + 1vw,2.3rem);line-height:1.08;text-wrap:balance}.course-section__heading p,.course-section__lede p{margin:0;color:var(--text-soft);line-height:1.7;max-width:64ch}.course-highlight-grid{display:grid;gap:14px}.course-highlight{align-content:start}.course-topic-list{display:grid;gap:10px}.course-topic{padding:12px 14px;border-radius:16px;border:1px solid rgba(123,163,200,.12);background:#ffffff08;color:var(--text-soft);font-size:.78rem;line-height:1.55}.course-track-list,.course-route-list{display:grid;gap:12px}.course-track{padding:14px 0 14px 18px;border-left:2px solid rgba(127,189,242,.28)}.course-track h3{font-size:.95rem;color:var(--text)}.course-agenda{display:grid;gap:12px}.course-agenda__item{display:grid;gap:12px;align-items:flex-start}.course-agenda__item>span{color:var(--accent-cyan);font-family:Space Mono,monospace}.course-agenda__item strong,.course-step__body strong,.course-resume-card__body strong{color:var(--text);font-size:1rem}.course-section__heading--spread{align-items:start}.course-directors{padding:18px;border-radius:24px;border:1px solid rgba(123,163,200,.14);background:#ffffff08}.course-institution-list{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}.course-gallery{display:grid;gap:14px}.course-gallery__item{overflow:hidden;margin:0;min-height:260px}.course-gallery__item figcaption{margin-top:14px;color:var(--text-soft);font-size:.74rem;line-height:1.6}.course-address{display:grid;gap:4px;font-style:normal;color:var(--text);font-size:.82rem}.course-route h3{margin-bottom:8px}.course-workspace{display:grid;gap:18px}.device-notice{gap:10px}.device-notice h2,.device-notice p{margin:0}.course-guidance{display:grid;gap:16px}.course-guidance__summary{display:flex;gap:16px;align-items:flex-start;justify-content:space-between}.course-guidance__summary h2,.course-guidance__summary p{margin:0}.course-guidance__summary p{margin-top:8px;color:var(--text-soft)}.course-guidance__grid{display:grid;gap:10px;grid-template-columns:repeat(3,minmax(0,1fr))}.course-guidance__item{display:grid;gap:6px;padding:12px;border-radius:var(--radius-sm);border:1px solid rgba(123,163,200,.14);background:#ffffff08}.course-guidance__item span,.course-guidance__item small{color:var(--text-soft);line-height:1.45}.course-guidance__item span{font-family:Space Mono,monospace;font-size:.74rem}.progress-dashboard,.progress-dashboard__next{display:grid;gap:16px}.progress-dashboard__next{grid-template-columns:minmax(0,1fr) auto;align-items:center;padding:16px;border-radius:var(--radius-sm);border:1px solid rgba(127,189,242,.2);background:#2d6ca31f}.progress-dashboard__next span,.progress-module-card__heading span,.progress-module-card__meter span{color:var(--text-soft);font-family:Space Mono,monospace;font-size:.74rem}.progress-dashboard__next strong{display:block;margin-top:4px;font-size:1.2rem}.progress-module-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.progress-module-card{display:grid;gap:14px;padding:16px;border-radius:var(--radius-md);border:1px solid rgba(123,163,200,.14);background:#ffffff08}.progress-module-card--completed{border-color:#8fe0c047;background:#143f3029}.progress-module-card--current{border-color:#e6bd7957;background:#573c122e}.progress-module-card--locked{opacity:.8}.progress-module-card__heading,.progress-module-card__footer,.progress-module-card__meter{display:flex;gap:12px;align-items:center}.progress-module-card__heading h3,.progress-module-card p,.progress-module-card small{margin:0}.progress-module-card__heading h3{font-size:1.08rem}.progress-module-card p,.progress-module-card small{color:var(--text-soft);line-height:1.45}.progress-module-card__icon{display:inline-grid;place-items:center;width:44px;height:44px;flex:0 0 44px;border-radius:999px;border:1px solid rgba(127,189,242,.22);background:#ffffff0a;color:var(--accent-cyan);font-family:Space Mono,monospace}.progress-module-card__meter{align-items:center}.progress-module-card__meter .progress-meter{flex:1}.progress-module-card__footer{justify-content:space-between;align-items:flex-end}.progress-module-card__footer small{max-width:34ch}.course-workspace__sidebar,.course-workspace__modules{display:grid;gap:16px}.course-assessment-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.course-assessment-card{display:grid;gap:8px;align-content:start;min-height:150px;padding:16px;border-radius:var(--radius-sm);border:1px solid rgba(123,163,200,.14);background:#ffffff08;color:var(--text);text-align:left}.lecture-workflow-item,.lecture-assessment-stack{display:grid;gap:12px}.lecture-assessment-stack{margin-left:clamp(0px,2vw,24px)}.course-assessment-card--inline{min-height:0}.course-assessment-card__heading{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.course-assessment-card__heading>div{display:grid;gap:6px}.course-assessment-card__heading .tag{white-space:nowrap}.course-assessment-card:disabled{cursor:default;opacity:.58}.course-assessment-card--active{border-color:#7fbdf25c;background:#2d6ca329}.course-assessment-card span:not(.eyebrow),.course-assessment-card small{color:var(--text-soft);line-height:1.45}.course-assessment-card__completion{display:grid;gap:4px}.course-assessment-card__completion strong{color:var(--accent-green)}.survey-form,.survey-fieldset{display:grid;gap:14px}.survey-fieldset{margin:0;padding:0;border:0}.survey-fieldset legend{margin-bottom:10px;color:var(--text);font-weight:700}.survey-fieldset__help,.survey-fieldset__error{margin:-2px 0 4px;color:var(--text-muted);font-size:.86rem;line-height:1.45}.survey-fieldset__error{color:#ffb4a8}.survey-scale{display:grid;grid-template-columns:repeat(11,minmax(40px,1fr));gap:8px}.survey-scale__option{min-width:0;padding:0 8px}.survey-scale__labels{display:flex;justify-content:space-between;gap:12px;color:var(--text-muted);font-size:.82rem;line-height:1.4}.survey-rank-grid{display:grid;gap:10px}.survey-rank-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(92px,112px);align-items:center;gap:12px;padding:10px 12px;border-radius:16px;border:1px solid rgba(123,163,200,.12);background:#ffffff09}.survey-rank-row span{line-height:1.4}.survey-rank-row select{min-height:42px;padding:0 12px;border-radius:12px;border:1px solid rgba(123,163,200,.18);background:#ffffff0f;color:var(--text)}.survey-inline-field,.survey-text-field{margin-top:4px}.certificate-card{background:radial-gradient(circle at top right,rgba(143,224,192,.12),transparent 24%),#0c141fe6}.sponsors-hero{background:radial-gradient(circle at top right,rgba(230,189,121,.16),transparent 28%),radial-gradient(circle at bottom left,rgba(127,189,242,.13),transparent 30%),#0c141fe6}.sponsor-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}.sponsor-card{display:grid;gap:14px;align-content:space-between;min-height:190px;padding:16px;border-radius:var(--radius-sm);border:1px solid rgba(123,163,200,.14);background:#ffffff08;color:var(--text);transition:border-color .16s ease,background .16s ease,transform .16s ease}.sponsor-card:hover{transform:translateY(-2px);border-color:#7fbdf252;background:#2d6ca324}.sponsor-card__logo-wrap{display:grid;place-items:center;min-height:116px;padding:18px;border-radius:var(--radius-sm);background:#fff}.sponsor-card img{width:100%;max-width:160px;max-height:78px;object-fit:contain}.sponsor-card strong{font-size:.98rem}.course-resume-card{display:grid;gap:16px;align-items:center}.course-step-list{display:grid;gap:12px}.course-step{display:grid;gap:12px;align-items:center}.course-step__marker{width:40px;height:40px;display:grid;place-items:center;border-radius:999px;border:1px solid rgba(127,189,242,.24);background:#ffffff0a;font-family:Space Mono,monospace}.course-step__marker--done{color:#d7ffe9;background:#143f307a;border-color:#8fe0c057}.course-step__body,.course-resume-card__body{display:grid;gap:8px}.course-step__percent{color:var(--text-soft)}.course-step--locked{border-color:#e6bd792e}.section-card--notice{border-color:#e6bd793d;background:radial-gradient(circle at top right,rgba(230,189,121,.12),transparent 26%),#0c141fe6}@keyframes courseFadeUp{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@keyframes courseZoomIn{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}@media (min-width: 760px){#root{padding-bottom:24px}.app-shell__content{padding:28px}.split-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.detail-card__grid{grid-template-columns:360px 1fr}.detail-card__panel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.course-hero{margin:-28px -28px 0}.course-hero__inner{grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:28px;padding:34px 28px 36px;min-height:calc(100svh - 220px);align-items:center}.course-hero__brand{grid-template-columns:auto minmax(0,1fr);align-items:center}.course-hero__meta-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.course-fact-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.course-section--split{grid-template-columns:minmax(300px,.92fr) minmax(0,1.08fr);align-items:start}.course-highlight-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.course-section--grid{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}.course-agenda__item{grid-template-columns:108px 1fr}.course-section__heading--spread{grid-template-columns:minmax(0,1fr) minmax(260px,320px);gap:18px}.course-gallery{grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr)}.course-gallery__item:first-child{grid-row:span 2;min-height:100%}.course-workspace{grid-template-columns:minmax(320px,.9fr) minmax(0,1.1fr);align-items:start}.course-step,.course-resume-card{grid-template-columns:auto 1fr auto}.knobology-lab{grid-template-columns:minmax(0,1fr);align-items:start}.knobology-workbench{grid-template-columns:minmax(300px,1.02fr) minmax(320px,.98fr);align-items:stretch}.knobology-frame,.knobology-console{min-height:100%}.knobology-frame{align-content:stretch;grid-template-rows:auto minmax(0,1fr)}.knobology-console{align-content:start}.case3d-layout{grid-template-columns:minmax(280px,340px) minmax(0,1fr);align-items:start}.case3d-layout--field{grid-template-columns:1fr}.case3d-workspace{grid-template-columns:minmax(0,1fr) minmax(300px,360px)}.case3d-hero{grid-template-columns:minmax(0,1fr) minmax(240px,300px);align-items:start}.case3d-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.bottom-nav{display:none}}@media (max-width: 1120px){.case3d-fullscreen-module{grid-template-columns:minmax(250px,.75fr) minmax(380px,1.35fr) minmax(270px,.8fr);overflow-x:auto}}@media (max-width: 759px){.top-nav{display:none}.survey-scale{grid-template-columns:repeat(6,minmax(40px,1fr))}.survey-rank-row,.detail-card__ebus-facts-row{grid-template-columns:1fr}.top-header{padding-bottom:20px}.course-hero{margin-top:-16px}.course-hero__logo{width:min(150px,34vw)}.course-gallery__item{min-height:220px}.case3d-panel__viewport--hero{min-height:360px}.case3d-panel--field{min-height:520px}.case3d-panel--field .case3d-panel__viewport--hero{min-height:420px}.case3d-fullscreen-module{grid-template-columns:minmax(260px,.76fr) minmax(420px,1.32fr) minmax(280px,.82fr)}.case3d-toggle-list--columns{grid-template-columns:1fr}}@media (max-width: 560px){#root{padding:10px 10px 92px}.app-shell__content,.hero-card,.section-card,.detail-card,.quiz-card{padding:16px}.top-header{flex-direction:column;align-items:flex-start}.course-hero{margin:-16px -16px 0}.course-hero__inner{padding:20px 16px 24px}.course-hero__logo{width:min(220px,56vw)}.course-endorsement{gap:12px;padding:10px 14px 10px 10px}.course-endorsement__seal{width:72px;height:72px}.course-endorsement p{font-size:.94rem}.course-hero__media-primary{min-height:280px}.course-meta-card,.course-fact,.course-highlight,.course-panel,.course-hero__callout,.course-route,.course-resume-card,.course-step,.course-gallery__item,.course-agenda__item{padding:16px}.knobology-frame__cine-strip{width:calc(100% - 28px)}.eu-me2__caption{font-size:.74rem}.knobology-console__hero{flex-direction:column;align-items:flex-start}.knobology-workbench{grid-template-columns:1fr}.top-header__meta,.admin-dashboard__header,.admin-learner-card__header,.learner-access-box__status,.progress-dashboard__next,.progress-module-card__footer,.course-guidance__summary,.lecture-card__actions,.course-assessment-card__heading,.section-card__heading,.learn-more-drawer__header,.detail-card__header,.quiz-card__header{width:100%;flex-direction:column;align-items:flex-start;text-align:left}.lecture-card__header{display:grid;grid-template-columns:64px minmax(0,1fr) auto;width:100%;align-items:center}.lecture-card__meta{grid-column:2 / -1}.lecture-assessment-stack{margin-left:0}.course-guidance__grid,.aabip-video-library__list-item{grid-template-columns:1fr}.aabip-video-library__playlist-header{flex-direction:column}.schedule-item,.slider-field,.resume-card,.progress-row,.admin-module-progress__row{grid-template-columns:1fr}.admin-learner-card__actions{justify-content:flex-start}.admin-module-progress__row strong{text-align:left}.course-agenda__item,.course-resume-card,.course-step{grid-template-columns:1fr}}