:root{--bg:#f8f1e7;--paper:#fffaf3;--ink:#3a2922;--muted:#8b7569;--accent:#c9785c;--accent-dark:#9e5544;--line:#ead9c9;--shadow:0 12px 32px #6b493015}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.45 Inter,system-ui,-apple-system,sans-serif;padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom)}button{font:inherit}.shell{max-width:720px;margin:auto;padding:22px 18px 92px}.brand{font-family:Georgia,serif;font-size:27px;letter-spacing:-.03em}.mark{color:var(--accent);font-size:25px}.eyebrow{color:var(--accent-dark);font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.hero{padding:10px 0 25px}.hero h1{font:42px/1.02 Georgia,serif;margin:8px 0 12px;letter-spacing:-.04em}.hero p{color:var(--muted);margin:0;max-width:520px}.card{background:var(--paper);border:1px solid var(--line);border-radius:24px;padding:18px;box-shadow:var(--shadow)}.grid{display:grid;gap:12px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:10px;margin:27px 0 12px}.section-head h2{font:26px Georgia,serif;margin:0}.muted{color:var(--muted)}.button{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 17px;border:0;border-radius:15px;background:var(--accent);color:#fff;text-decoration:none;font-weight:800;cursor:pointer}.button.secondary{background:#f1dfd0;color:var(--accent-dark)}.chips{display:flex;gap:8px;overflow:auto;padding-bottom:4px}.chip{white-space:nowrap;border:1px solid var(--line);background:var(--paper);border-radius:99px;padding:9px 13px;color:var(--muted);cursor:pointer}.chip.active{background:var(--accent);border-color:var(--accent);color:#fff}.item{display:flex;gap:14px;align-items:center}.item h3{margin:0 0 5px;font:19px Georgia,serif}.item p{margin:0;color:var(--muted);font-size:13px}.cover{width:76px;height:76px;border-radius:17px;object-fit:cover;background:#f0dfd1;display:grid;place-items:center;color:var(--accent);font-size:26px;flex:none}.item-main{flex:1;min-width:0}.item-main a{color:inherit;text-decoration:none}.badge{display:inline-block;color:var(--accent-dark);font-size:11px;font-weight:800;margin-top:7px}.bottom-nav{position:fixed;z-index:3;bottom:0;left:0;right:0;padding:9px 10px calc(9px + env(safe-area-inset-bottom));background:#fffaf3ed;border-top:1px solid var(--line);backdrop-filter:blur(12px);display:flex;justify-content:center;gap:3px}.bottom-nav button{border:0;background:none;color:var(--muted);font-size:11px;display:grid;gap:3px;justify-items:center;padding:7px 10px;border-radius:12px;min-width:62px}.bottom-nav button.active{background:#f1dfd0;color:var(--accent-dark);font-weight:800}.empty{text-align:center;padding:32px 18px;color:var(--muted)}.status{padding:26px 6px 12px;text-align:center}.status h1{font:34px Georgia,serif;margin:12px 0}.status p{color:var(--muted)}.back{border:0;background:none;color:var(--accent-dark);font-weight:800;padding:0;cursor:pointer}.course-progress{height:7px;background:#f0dfd1;border-radius:8px;overflow:hidden;margin:12px 0}.course-progress i{display:block;height:100%;background:var(--accent)}@media(prefers-color-scheme:dark){:root{--bg:#261d19;--paper:#342824;--ink:#f8eee5;--muted:#c0a99c;--line:#5b4338;--shadow:none}.bottom-nav{background:#342824ed}.chip{background:var(--paper)}}