.public{--bg:#faf6ee;--surface:#fff;--surface-2:#f2ebda;--border:rgba(40,30,15,.08);--border-strong:rgba(40,30,15,.18);--text:#2a1f0e;--muted:#6b5c42;--soft:#97876b;--accent:#ba7517;--accent-soft:#faeeda;--accent-text:#633806;--radius:12px;--radius-lg:18px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg);min-height:100vh}@media (prefers-color-scheme:dark){.public{--bg:#15110a;--surface:#1f1a10;--surface-2:#2a2316;--border:rgba(255,240,210,.08);--border-strong:rgba(255,240,210,.18);--text:#f5ebd4;--muted:#bfae89;--soft:#8a7b5c;--accent:#ef9f27;--accent-soft:#3a2a12;--accent-text:#fac775}}.public a{color:inherit;text-decoration:none}.pub-topbar{justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;background:var(--bg);z-index:10;-webkit-backdrop-filter:blur(8px) saturate(140%);backdrop-filter:blur(8px) saturate(140%)}.pub-brand,.pub-topbar{display:flex;align-items:center}.pub-brand{gap:10px;font-family:serif;font-size:18px;font-weight:500}.pub-logo{width:30px;height:30px;border-radius:50%;background:var(--accent-soft);color:var(--accent-text);display:flex;align-items:center;justify-content:center;font-weight:600}.pub-nav{display:flex;gap:24px;font-size:14px;color:var(--muted)}.pub-nav a:hover{color:var(--text)}.pub-nav a.active{color:var(--text);font-weight:500}.pub-burger{display:none}@media (max-width:720px){.pub-burger{display:flex;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;padding:0;border:1px solid var(--border);border-radius:8px;background:transparent;cursor:pointer}.pub-burger span{display:block;width:18px;height:2px;margin:0 auto;background:var(--text);transition:transform .2s,opacity .2s}.pub-burger.open span:first-child{transform:translateY(7px) rotate(45deg)}.pub-burger.open span:nth-child(2){opacity:0}.pub-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.pub-nav{display:none;position:absolute;top:100%;right:16px;flex-direction:column;gap:0;min-width:180px;background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:8px;box-shadow:0 12px 32px rgba(0,0,0,.12)}.pub-nav.open{display:flex}.pub-nav a{padding:10px 12px;border-radius:8px}.pub-nav a:hover{background:var(--accent-soft)}}.pub-shell{max-width:1200px;margin:0 auto;padding:32px 24px 80px}@media (max-width:720px){.pub-shell{padding:20px 16px 60px}}.pub-h1{font-size:36px;line-height:1.1;margin:0 0 8px}.pub-h1,.pub-h2{font-family:serif;font-weight:500}.pub-h2{font-size:22px;margin:0 0 6px}.pub-muted{color:var(--muted)}.lessons-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:18px;gap:18px;margin-top:24px}.lesson-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;transition:transform .15s,box-shadow .15s;display:block}.lesson-card:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(40,30,15,.06)}.lesson-cover{aspect-ratio:16/10;position:relative;display:flex;align-items:flex-end;padding:12px;background:var(--surface-2)}.lesson-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.lesson-duration{position:relative;background:hsla(0,0%,100%,.92);color:#2a1f0e;font-weight:500}.lesson-duration,.lesson-locked{font-size:11px;padding:4px 10px;border-radius:8px}.lesson-locked{position:absolute;top:12px;right:12px;background:rgba(0,0,0,.6);color:#fff}.lesson-body{padding:14px 16px 18px}.lesson-title{font-family:serif;font-size:18px;font-weight:500;margin:0 0 4px}.lesson-meta{font-size:12px;color:var(--muted)}.lesson-page-grid{display:grid;grid-template-columns:1fr;grid-gap:24px;gap:24px;margin-top:16px}@media (min-width:1000px){.lesson-page-grid{grid-template-columns:1fr 320px;gap:32px}}.player-frame{width:100%;aspect-ratio:16/9;border-radius:var(--radius-lg);overflow:hidden;background:#000;border:none}.lesson-meta-row{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0 18px}.chip{display:inline-flex;align-items:center;font-size:12px;padding:4px 12px;border-radius:999px;background:var(--surface-2);color:var(--muted)}.locked-card{padding:28px;background:var(--accent-soft);border-radius:var(--radius-lg);text-align:center}.locked-card .pub-h2{color:var(--accent-text);margin-bottom:8px}.btn{display:inline-block;font-size:14px;font-weight:500;padding:10px 18px;border-radius:var(--radius);background:var(--text);color:var(--bg);border:none;cursor:pointer}.btn:hover{opacity:.88}.btn.primary{background:var(--accent);color:#fff}.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--border-strong)}.side-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px}.side-card h3{font-family:serif;font-size:18px;font-weight:500;margin:0 0 10px}