:root{--navy:#082471;--navy2:#061a52;--gold:#c99a2e;--gold2:#e4bf62;--white:#fff;--ink:#172033;--muted:#667085;--line:#e4e7ec;--bg:#f5f7fb;--ok:#137333;--bad:#b3261e}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}.topbar{min-height:74px;background:var(--navy2);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:12px max(20px,calc((100% - 1180px)/2));position:sticky;top:0;z-index:20;box-shadow:0 8px 24px rgba(6,26,82,.16)}.brand{display:flex;align-items:center;gap:11px;color:#fff;text-decoration:none}.brand-mark{width:42px;height:42px;border:2px solid var(--gold2);border-radius:50%;display:grid;place-items:center;color:var(--gold2);font-family:Georgia,serif;font-weight:900;font-size:23px}.brand strong{display:block;letter-spacing:2.4px}.brand small{display:block;color:var(--gold2);letter-spacing:3px;font-size:9px}.top-actions{display:flex;gap:10px;align-items:center}.shell{max-width:1180px;margin:auto;padding:32px 20px 60px}.hero,.module-hero{background:linear-gradient(135deg,var(--navy2),var(--navy));color:#fff;border-radius:26px;padding:44px;display:flex;justify-content:space-between;align-items:center;gap:30px;box-shadow:0 24px 54px rgba(8,36,113,.20);border-top:4px solid var(--gold)}.hero h1,.module-hero h1{font-family:Georgia,serif;font-size:clamp(34px,5vw,58px);line-height:1.06;margin:10px 0 14px}.hero p,.module-hero p{max-width:760px;color:#e7ecff;font-size:17px}.eyebrow{display:inline-block;color:var(--gold2);font-weight:800;font-size:12px;letter-spacing:2.2px}.eyebrow.dark{color:#8a6416}.hero-stat{min-width:170px;aspect-ratio:1;border:1px solid rgba(255,255,255,.25);border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:rgba(255,255,255,.06)}.hero-stat 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rgba(16,24,40,.06);transition:.2s transform,.2s box-shadow}.module-card:hover{transform:translateY(-3px);box-shadow:0 18px 38px rgba(16,24,40,.10)}.module-icon{width:58px;height:58px;border-radius:16px;display:grid;place-items:center;background:#fff8e5;color:var(--navy);border:1px solid #eedda7;font-size:24px;font-weight:900}.module-icon.large{width:84px;height:84px;font-size:34px;flex:0 0 auto}.module-copy h3{margin:2px 0 8px;color:var(--navy);font-size:23px}.module-copy p{margin:0 0 12px;color:var(--muted)}.age{font-size:11px;color:#8a6416;font-weight:800;text-transform:uppercase;letter-spacing:1px}.tags{display:flex;flex-wrap:wrap;gap:7px}.tags span{background:#eef2ff;color:#293d83;border-radius:999px;padding:5px 9px;font-size:11px}.module-foot{grid-column:1/-1;border-top:1px solid var(--line);padding-top:16px;display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:13px}.button,.ghost{display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:11px 16px;font-weight:800;text-decoration:none;cursor:pointer;font-family:inherit}.button{background:var(--gold);color:#171717;border:1px solid var(--gold)}.button:hover{background:#ddb24a}.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35)}.ghost.link{font-size:13px}.dark-ghost{color:var(--navy)!important;border-color:#aab4ca!important}.objective-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;margin:20px 0}.large-tags{margin-top:12px}.large-tags span{font-size:13px;padding:7px 11px}.lesson-list{display:grid;gap:13px}.lesson-row{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;display:grid;grid-template-columns:50px 1fr auto auto;align-items:center;gap:16px}.lesson-no{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:var(--gold2);font-weight:900}.lesson-copy h3{margin:0;color:var(--navy)}.lesson-copy p{margin:2px 0;color:var(--muted);font-size:14px}.lesson-copy span{font-size:11px;color:#8a6416;font-weight:bold}.lesson-state{font-size:12px;color:var(--muted);white-space:nowrap}.lesson-state.done{color:var(--ok);font-weight:bold}.activity-shell{max-width:920px}.activity-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px}.activity-head h1{font-family:Georgia,serif;color:var(--navy);font-size:40px;margin:4px 0}.activity-head p{color:var(--muted)}.score-card{background:var(--navy);color:#fff;border-radius:16px;padding:14px 20px;text-align:center;min-width:130px}.score-card span{display:block;font-size:11px;color:var(--gold2);text-transform:uppercase;letter-spacing:1px}.score-card strong{font-size:24px}.progress-track{height:8px;background:#e5e9f2;border-radius:999px;margin:22px 0;overflow:hidden}.progress-track div{height:100%;width:0;background:var(--gold);transition:width .3s}.activity-card-live{min-height:390px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:0 16px 38px rgba(16,24,40,.08);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.question-kicker{color:#8a6416;font-weight:800;font-size:12px;letter-spacing:1.4px}.question-prompt{font-size:clamp(30px,6vw,54px);font-weight:900;color:var(--navy);margin:15px 0}.question-hint{font-size:14px;color:var(--muted);margin-bottom:18px}.choices{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}.choice{min-width:70px;padding:13px 20px;border:2px solid #cdd4e4;background:#fff;border-radius:12px;font-size:18px;font-weight:800;cursor:pointer}.choice.selected{border-color:var(--navy);background:#eef2ff}.choice.correct{border-color:var(--ok);background:#e8f5ec}.choice.wrong{border-color:var(--bad);background:#fdecea}.answer-input{width:min(460px,100%);font-size:22px;text-align:center;padding:14px;border:2px solid #cdd4e4;border-radius:12px;text-transform:uppercase}.trace-word{font-family:Georgia,serif;font-size:clamp(56px,12vw,110px);letter-spacing:12px;color:transparent;-webkit-text-stroke:2px #aab4ca;text-shadow:2px 2px 0 #eef1f6}.repeat-button{font-size:30px;padding:22px 38px}.feedback{min-height:24px;margin-top:16px;font-weight:800}.feedback.ok{color:var(--ok)}.feedback.bad{color:var(--bad)}.activity-controls{display:flex;justify-content:space-between;align-items:center;margin:18px 0}.result-panel{background:#fff8e5;border:1px solid #ead79a;border-radius:18px;padding:26px;text-align:center}.result-panel h2{color:var(--navy);font-family:Georgia,serif}.result-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}footer{background:var(--navy2);color:#fff;padding:24px;text-align:center}footer strong{color:var(--gold2);letter-spacing:2px;margin-right:10px}footer span{color:#cfd7f5;font-size:12px}@media(max-width:800px){.hero,.module-hero{padding:28px;align-items:flex-start}.hero-stat{display:none}.summary-grid{grid-template-columns:1fr}.module-grid{grid-template-columns:1fr}.lesson-row{grid-template-columns:44px 1fr}.lesson-state,.lesson-row>.button{grid-column:2}.activity-head{align-items:flex-start}.score-card{min-width:105px}.section-head{align-items:stretch;flex-direction:column}.section-head input{width:100%}}@media(max-width:520px){.topbar{position:static}.top-actions .ghost:first-child{display:none}.shell{padding:20px 14px 44px}.hero,.module-hero{border-radius:18px;padding:22px;flex-direction:column}.hero h1,.module-hero h1{font-size:36px}.module-card{grid-template-columns:50px 1fr;padding:18px}.module-icon{width:48px;height:48px}.module-foot{align-items:flex-start;gap:12px;flex-direction:column}.activity-head{flex-direction:column}.score-card{width:100%}.activity-card-live{padding:22px;min-height:350px}.activity-controls{gap:8px}.activity-controls .button,.activity-controls .ghost{padding:10px;font-size:12px}}@media print{.topbar,.activity-controls,footer,.progress-track{display:none!important}body{background:#fff}.shell{max-width:none;padding:0}.activity-card-live{box-shadow:none;border:1px solid #000;min-height:600px}.score-card{border:1px solid #000;color:#000;background:#fff}.result-panel{display:none!important}}