:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#171717;background:#f3f0ea}*{box-sizing:border-box}body{margin:0;min-width:320px}button{font:inherit}.app-shell{min-height:100vh}.topbar{display:flex;justify-content:space-between;align-items:center;padding:24px clamp(18px,4vw,54px);background:#111;color:#fff}.brand{display:flex;align-items:center;gap:14px;min-width:0}.brand-icon{width:58px;height:58px;border-radius:14px;flex:0 0 auto}.topbar h1{margin:3px 0 0;font-size:clamp(25px,4vw,42px)}.eyebrow,.kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:800;opacity:.7}.account-pill{border:1px solid #666;border-radius:999px;padding:8px 13px;font-size:12px}main{max-width:1180px;margin:auto;padding:28px 18px 48px}.hero-card,.panel{background:#fff;border:1px solid #ddd7ce;border-radius:20px}.hero-card{padding:28px;display:grid;grid-template-columns:1fr 260px;gap:25px;align-items:center}.hero-card h2{margin:5px 0 10px;font-size:clamp(25px,4vw,44px);line-height:1.04}.hero-card p{max-width:760px;line-height:1.55}.progress-box{background:#f6f2ec;border-radius:16px;padding:20px}.progress-box strong{font-size:34px;display:block}.progress-box span{font-size:13px;color:#666}.bar{height:8px;background:#ddd;border-radius:999px;margin-top:16px;overflow:hidden}.bar i{display:block;height:100%;background:#111}.grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;margin-top:20px}.panel{padding:22px}.panel-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.panel-heading h3,.lesson-panel h3{margin:0;font-size:24px}.panel-heading span{color:#777;font-size:13px}.module-list{display:grid;gap:8px}.module{width:100%;border:1px solid #e3ded6;background:#faf8f5;border-radius:14px;padding:13px;display:flex;gap:14px;text-align:left;cursor:pointer}.module.active{border-color:#111;background:#fff}.module-index{width:30px;font-weight:800;color:#777}.module b,.module small{display:block}.module small{margin-top:3px;color:#747474;line-height:1.35}.exercise-card{margin-top:24px;padding:20px;border-radius:16px;background:#f6f2ec}.focus{display:inline-block;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.12em}.exercise-card h4{font-size:20px;margin:8px 0}.prompt{font-size:20px;line-height:1.45}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.actions button,.complete{border:none;border-radius:12px;padding:12px 16px;cursor:pointer;font-weight:700}.primary{background:#111;color:#fff}.danger{background:#8f1d1d;color:#fff}.secondary{background:#e2ddd5;color:#777}.complete{width:100%;margin-top:12px;background:#fff;border:1px solid #d7d0c6}.player{width:100%;margin-top:16px}footer{padding:28px 18px;text-align:center;font-size:12px;color:#777}@media(max-width:800px){.hero-card,.grid{grid-template-columns:1fr}.topbar{padding:18px}.brand-icon{width:48px;height:48px;border-radius:12px}.panel,.hero-card{border-radius:16px}}.module-copy{flex:1;min-width:0}.done-mark{margin-left:auto;align-self:center;width:24px;height:24px;display:grid;place-items:center;border-radius:50%;background:#111;color:#fff;font-weight:900}.lesson-intro{line-height:1.55;color:#555}.rules-wrap{display:grid;gap:14px;margin-top:20px}.rule-section{border:1px solid #e2ddd5;border-radius:16px;padding:18px;background:#fcfbf8}.rule-section h4{margin:0 0 12px;font-size:18px}.rule-list{margin:0;padding-left:22px;display:grid;gap:8px}.rule-list li{line-height:1.48;color:#383838}.source-note{margin-top:14px;padding:14px 16px;border-radius:12px;background:#fff4dc;border:1px solid #eed7a5;font-size:14px;line-height:1.45}.complete.completed{background:#111;color:#fff;border-color:#111}@media(max-width:800px){.rule-section{padding:15px}.rule-list{padding-left:19px}}