:root{
  --ink:#10233f;--muted:#62718a;--paper:#eef4f8;--card:#fff;--navy:#102a4a;--navy2:#174a6b;
  --teal:#18a58f;--aqua:#bff3e7;--amber:#ffca58;--coral:#ff7d67;--line:#d9e4eb;
  --shadow:0 22px 60px rgba(19,43,72,.14);--radius:26px
}
*{box-sizing:border-box}html{font-size:18px}body{margin:0;background:radial-gradient(circle at 12% 8%,#d7f6ee 0,transparent 28%),var(--paper);color:var(--ink);font-family:Inter,"Noto Sans Devanagari","Segoe UI",system-ui,sans-serif;min-height:100vh}button,input{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:4px solid var(--amber);outline-offset:3px}.hidden{display:none!important}
.topbar{height:78px;padding:0 30px;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:18px;position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.brand-mark{width:46px;height:46px;border-radius:15px;background:linear-gradient(145deg,var(--amber),#ff9f55);display:grid;place-items:center;font-weight:950}.brand strong,.brand small{display:block}.brand small{font-size:.68rem;color:var(--muted);margin-top:2px}.pilot-badge{margin-left:auto;border:1px solid #addfd5;background:#ebfbf7;color:#166c5f;border-radius:999px;padding:8px 12px;font-size:.72rem;font-weight:850}.pilot-badge span{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--teal);margin-right:6px}.reviewer-link,.ghost,.secondary,.primary{border:0;border-radius:14px;font-weight:850;min-height:48px;padding:11px 18px}.reviewer-link,.ghost,.secondary{background:#fff;color:var(--navy);border:1px solid var(--line)}.primary{background:var(--navy);color:#fff;box-shadow:0 8px 20px rgba(16,42,74,.18)}.primary:hover{background:#174466}.primary:disabled{opacity:.45;cursor:not-allowed}
.screen{width:min(1180px,calc(100% - 36px));margin:0 auto;padding:34px 0 90px}.center-screen{min-height:calc(100vh - 78px);display:grid;place-content:center;text-align:center}.welcome-grid{display:grid;grid-template-columns:1fr .78fr;gap:22px;align-items:stretch}.welcome-card,.visual-card,.panel{background:var(--card);border:1px solid rgba(204,219,228,.95);border-radius:var(--radius);box-shadow:var(--shadow)}.welcome-card{padding:clamp(28px,5vw,58px)}.eyebrow{display:inline-flex;border-radius:999px;padding:8px 12px;background:#e9f8f4;color:#147563;font-size:.72rem;font-weight:900;text-transform:uppercase;letter-spacing:.06em}.welcome-card h1{font-size:clamp(2.15rem,5vw,4.2rem);line-height:.98;letter-spacing:-.055em;margin:22px 0 16px}.welcome-card>p{color:var(--muted);line-height:1.65;max-width:650px}.lookup-tabs{display:flex;gap:8px;margin:28px 0 14px}.lookup-tabs button{border:1px solid var(--line);background:#f5f8fa;border-radius:13px;padding:10px 14px;font-weight:800;color:var(--muted)}.lookup-tabs button.active{background:var(--navy);color:#fff;border-color:var(--navy)}.field{display:grid;gap:8px}.field label{font-weight:850}.field input{min-height:58px;border:2px solid #cddbe4;border-radius:15px;padding:12px 15px;background:#fbfdfe}.form-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:18px}.text-button{border:0;background:transparent;color:#175d7c;text-decoration:underline;font-weight:800;padding:10px}.visual-card{padding:24px;background:linear-gradient(155deg,#103354,#176989);color:#fff;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}.visual-card h2{font-size:1.55rem;margin:16px 0 8px}.visual-card p{color:#d9edf5;line-height:1.55}.mini-scene{border:1px solid rgba(255,255,255,.22);background:linear-gradient(#1c5c79,#143d5c);border-radius:22px;padding:22px;margin-top:24px;min-height:230px;display:grid;place-content:center;text-align:center}.mini-monitor{width:min(330px,100%);aspect-ratio:16/10;background:#d9f0ee;border:12px solid #0c2039;border-radius:16px;display:grid;place-content:center;color:#102a4a;font-size:3rem;box-shadow:0 20px 0 #0a1a2d}.mini-monitor small{font-size:.72rem;font-weight:900;margin-top:8px}.assist-note{display:flex;gap:10px;padding:14px;border-radius:16px;background:rgba(255,255,255,.1);font-size:.8rem;line-height:1.45;margin-top:30px}
.step-header{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:22px}.step-header h1{font-size:clamp(1.8rem,4vw,3rem);letter-spacing:-.04em;margin:7px 0}.step-header p{color:var(--muted);margin:0}.progress{min-width:240px}.progress-label{display:flex;justify-content:space-between;font-size:.72rem;font-weight:850;margin-bottom:8px}.progress-track{height:11px;background:#dbe6ec;border-radius:99px;overflow:hidden}.progress-track span{display:block;height:100%;background:linear-gradient(90deg,var(--teal),#56d4be);border-radius:inherit;transition:width .35s ease}.language-grid,.answer-grid,.choice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.language-card,.answer-card,.choice-card{border:2px solid var(--line);background:#fff;border-radius:22px;padding:22px;text-align:left;color:var(--ink);min-height:150px;transition:transform .18s,border-color .18s,box-shadow .18s}.language-card:hover,.answer-card:hover,.choice-card:hover{transform:translateY(-3px);border-color:#83cbbc;box-shadow:0 14px 30px rgba(19,67,82,.1)}.language-card.selected,.answer-card.selected,.choice-card.selected{border-color:var(--teal);box-shadow:0 0 0 5px rgba(24,165,143,.14)}.language-card .symbol,.answer-card .symbol,.choice-card .symbol{font-size:2.8rem;display:block;margin-bottom:14px}.language-card strong,.answer-card strong,.choice-card strong{display:block;font-size:1.18rem}.language-card small,.answer-card small,.choice-card small{display:block;color:var(--muted);margin-top:6px}.panel{padding:24px}.registration-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.switch-row{display:flex;align-items:center;gap:12px;padding:16px;background:#f4f8fa;border-radius:15px}.switch-row input{width:24px;height:24px}.registration-banner{padding:14px 16px;background:#fff5db;border-left:5px solid var(--amber);border-radius:12px;margin:18px 0;font-size:.84rem}
.practice-layout,.assessment-layout{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(330px,.6fr);gap:20px}.scene-shell{background:#0b1e35;border-radius:24px;overflow:hidden;color:#fff;box-shadow:var(--shadow)}.scene-top{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;font-size:.7rem;font-weight:900;letter-spacing:.06em;text-transform:uppercase;background:#09192c}.scene-top span:last-child{color:#9ddfce}.scene-media{position:relative;aspect-ratio:16/9;background:#132d45;overflow:hidden}.scene-media img{width:100%;height:100%;object-fit:cover;display:block;image-rendering:auto}.scene-media.playing img{animation:cameraDrift 18s linear both}.scene-media.paused img{animation-play-state:paused}.scene-media::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 80%,rgba(1,10,20,.5)),repeating-linear-gradient(0deg,rgba(255,255,255,.025) 0 1px,transparent 1px 4px);pointer-events:none}.placeholder-label{position:absolute;left:14px;bottom:14px;z-index:2;background:rgba(6,18,33,.86);border:1px solid rgba(255,255,255,.25);padding:8px 10px;border-radius:9px;font-size:.66rem;font-weight:850}.timeline{height:7px;background:#28445a}.timeline span{display:block;height:100%;width:0;background:var(--amber)}.timeline.running span{animation:timeline var(--clip-seconds,20s) linear forwards}.timeline.paused span{animation-play-state:paused}.scene-controls{display:flex;gap:10px;padding:13px;background:#0b1e35}.scene-controls button{border:1px solid #36536b;background:#132f48;color:#fff;border-radius:12px;padding:10px 15px;font-weight:800;min-width:100px}.instruction-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:var(--shadow)}.instruction-card .big-icon{font-size:4rem}.instruction-card h2{font-size:1.55rem;margin:12px 0}.instruction-card p{color:var(--muted);line-height:1.55}.isl-placeholder{border:2px dashed #9db3c1;background:#f3f7f9;border-radius:16px;padding:18px;text-align:center;margin:18px 0}.isl-placeholder b{display:block}.isl-placeholder span{display:block;color:var(--muted);font-size:.75rem;margin-top:5px}.answer-grid{grid-template-columns:repeat(3,1fr);margin-top:18px}.answer-card{min-height:165px;text-align:center}.answer-card .symbol{font-size:3.2rem}.answer-card.not-sure{background:#f5f7fa}.continue-row{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.observation-panel{margin-top:18px;padding:20px;background:#eaf7f4;border:2px solid #a8ded2;border-radius:20px}.observation-panel h2{margin:0 0 6px}.observation-panel p{margin:0 0 15px;color:var(--muted)}.hotspot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.hotspot{border:2px solid #b8d7d0;background:#fff;border-radius:15px;min-height:82px;padding:12px;font-weight:850}.hotspot.selected{border-color:var(--teal);background:#dff6f0}.section-kicker{color:#147563;font-size:.72rem;font-weight:950;text-transform:uppercase;letter-spacing:.08em}.sequence{display:flex;gap:12px;align-items:stretch;margin:18px 0}.sequence-card{flex:1;background:#f4f8fa;border:1px solid var(--line);border-radius:18px;padding:20px;text-align:center}.sequence-card .symbol{font-size:2.8rem}.sequence-arrow{display:grid;place-items:center;font-size:2rem;color:var(--teal)}
.completion{text-align:center;max-width:800px}.completion-icon{width:140px;height:140px;border-radius:40px;background:linear-gradient(145deg,#d8f8ef,#a9eadb);display:grid;place-items:center;font-size:4.5rem;margin:0 auto 22px;box-shadow:var(--shadow)}.completion h1{font-size:clamp(2rem,5vw,3.8rem);letter-spacing:-.05em;margin:0}.completion p{color:var(--muted);line-height:1.6}.completion .panel{margin-top:24px;text-align:left}.completion-list{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.completion-list div{background:#f4f8fa;border-radius:14px;padding:14px}.completion-list b,.completion-list span{display:block}.completion-list span{font-size:.75rem;color:var(--muted);margin-top:5px}
.reviewer{width:min(1380px,calc(100% - 36px))}.review-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:22px}.review-head h1{font-size:2.4rem;margin:6px 0}.review-head p{color:var(--muted);max-width:760px}.review-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}.metric{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px}.metric small,.metric strong,.metric span{display:block}.metric small{color:var(--muted)}.metric strong{font-size:1.8rem;margin:9px 0}.metric span{font-size:.72rem;color:#147563}.review-table{width:100%;border-collapse:separate;border-spacing:0}.review-table th,.review-table td{padding:14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.review-table th{font-size:.72rem;color:var(--muted);text-transform:uppercase}.review-table td{font-size:.82rem}.status-pill{display:inline-flex;border-radius:999px;padding:6px 9px;font-size:.68rem;font-weight:900;background:#e8f7f3;color:#147563}.training-list{display:flex;gap:8px;flex-wrap:wrap}.training-list span{background:#fff3d4;border:1px solid #f1d48b;border-radius:999px;padding:7px 10px;font-size:.72rem}.decision-boundary{margin-top:18px;border-left:6px solid #6757c8;background:#f0edff;border-radius:12px;padding:16px;color:#473d88}.config-note{font-size:.76rem;color:var(--muted);margin-top:14px}.empty-state{text-align:center;padding:50px}.loader{width:46px;height:46px;border:5px solid #d8e5eb;border-top-color:var(--teal);border-radius:50%;animation:spin 1s linear infinite;margin:auto}
.access-tools{position:fixed;right:18px;bottom:18px;z-index:30;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:7px;border-radius:16px;display:flex;gap:6px}.access-tools button{width:44px;height:44px;border:0;border-radius:11px;background:#edf3f6;color:var(--navy);font-weight:900}body.high-contrast{--paper:#fff;--card:#fff;--ink:#000;--muted:#111;--line:#000;--navy:#000;--teal:#005c4b}body.large-text{font-size:115%}body.reduce-motion *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition:none!important}
@keyframes timeline{to{width:100%}}@keyframes cameraDrift{0%{transform:scale(1)}50%{transform:scale(1.025)}100%{transform:scale(1.01)}}@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:950px){.welcome-grid,.practice-layout,.assessment-layout{grid-template-columns:1fr}.review-grid{grid-template-columns:1fr 1fr}.answer-grid,.hotspot-grid{grid-template-columns:1fr 1fr}.progress{min-width:180px}}
@media(max-width:650px){html{font-size:16px}.topbar{padding:0 14px}.brand small,.pilot-badge{display:none}.screen,.reviewer{width:min(100% - 22px,1180px);padding-top:20px}.welcome-card{padding:25px}.registration-grid,.language-grid,.answer-grid,.choice-grid,.hotspot-grid,.completion-list,.review-grid{grid-template-columns:1fr}.step-header,.review-head{display:block}.progress{margin-top:15px}.sequence{display:grid;grid-template-columns:1fr}.sequence-arrow{transform:rotate(90deg)}.review-table{display:block;overflow-x:auto}.scene-controls button{min-width:0;flex:1}.reviewer-link{padding:9px 10px}.visual-card{min-height:420px}}