:root{color-scheme:light dark;--bg: #ffffff;--fg: #16181d;--muted: #646b7a;--line: #dfe3ea;--card: #f6f7f9;--accent: #2f6df6;--danger: #c8372d}@media (prefers-color-scheme: dark){:root{--bg: #14161a;--fg: #e8eaee;--muted: #9aa2b1;--line: #2a2e37;--card: #1c1f25;--accent: #6c9bff;--danger: #ff6b5e}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.muted{color:var(--muted);font-size:.9em}.center{min-height:60vh;display:grid;place-items:center}.app{max-width:900px;margin:0 auto;padding:0 16px 48px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}.brand{font-weight:700;font-size:1.15rem;text-decoration:none;color:var(--fg)}.topbar nav{display:flex;align-items:center;gap:14px}.topbar a{color:var(--fg);text-decoration:none}.topbar a:hover{text-decoration:underline}.banner{margin:12px 0;padding:10px 12px;border-radius:8px;background:var(--card);border:1px solid var(--line);font-size:.92rem}.error{margin:12px 0;padding:10px 12px;border-radius:8px;border:1px solid var(--danger);color:var(--danger)}button,select,input,textarea{font:inherit;color:inherit}button{min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:8px;background:var(--card);cursor:pointer}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}button.danger{color:var(--danger)}button.link{min-height:auto;padding:0;border:0;background:none;color:var(--fg);text-align:left;text-decoration:underline}input:not([type=range]):not([type=file]),select,textarea{min-height:44px;width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg)}textarea{min-height:70px}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.login{max-width:380px;margin:10vh auto;padding:0 16px}.login form{display:grid;gap:12px}.library{padding-top:16px}.book-grid{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}.book-card{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--card);display:flex;flex-direction:column}.book-card a{color:inherit;text-decoration:none;display:block}.book-card img{width:100%;aspect-ratio:1;object-fit:cover;display:block;background:var(--line)}.book-card .no-cover{aspect-ratio:1;display:grid;place-items:center;color:var(--muted);background:var(--line)}.book-card .info{padding:10px 12px}.book-card .title{font-weight:600}.book-card .card-actions{display:flex;gap:8px;padding:0 12px 12px;margin-top:auto}.book-card .card-actions button{flex:1;font-size:.88rem}.badge{display:inline-block;padding:1px 7px;border-radius:99px;background:var(--accent);color:#fff;font-size:.75rem}.book-detail{padding-top:16px}.book-head{display:flex;gap:16px;flex-wrap:wrap;align-items:flex-start}.book-head img{width:140px;border-radius:10px}.player{margin-top:20px}.now{margin-bottom:8px}.ch-title{font-weight:600;font-size:1.05rem}.seek{width:100%}input[type=range]{min-height:44px}.times{display:flex;justify-content:space-between}.controls{display:flex;gap:8px;align-items:center;justify-content:center;margin:8px 0 14px;flex-wrap:wrap}.controls .primary{min-width:64px;font-size:1.2rem}.extras{display:flex;gap:14px;align-items:center;flex-wrap:wrap;padding-bottom:14px;border-bottom:1px solid var(--line)}.extras label{display:flex;align-items:center;gap:6px;font-size:.9rem}.extras select{width:auto;min-width:90px}.chapters{margin:14px 0 0;padding-left:22px}.chapters li{padding:4px 0}.chapters li.active>.link{font-weight:700;color:var(--accent)}.bookmarks{list-style:none;margin:8px 0 0;padding:0}.bookmarks li{display:flex;gap:10px;align-items:center;justify-content:space-between;padding:6px 0;border-bottom:1px solid var(--line)}.admin{padding-top:16px}.card{border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin-bottom:18px;background:var(--card)}.card h2{margin-top:0;font-size:1.05rem}.card form{display:grid;gap:10px}.card label{display:grid;gap:6px;margin-bottom:10px;font-size:.9rem}.progress{position:relative;margin-top:12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);overflow:hidden;min-height:34px;display:flex;align-items:center}.progress .bar{position:absolute;inset:0 auto 0 0;background:color-mix(in srgb,var(--accent) 25%,transparent);transition:width .2s}.progress span{position:relative;padding:0 10px;font-size:.88rem}.admin-list{list-style:none;margin:0;padding:0}.admin-list li{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line)}.row-actions{display:flex;gap:10px;align-items:center}.row-actions a{color:var(--accent)}