:root{color-scheme:dark;--bg:#0d1016;--card:#171c26;--line:#2b3342;--accent:#e7b65c;--muted:#9ba7b9}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 15% 0,#222b3a 0,#0d1016 38%);font:16px/1.45 system-ui,sans-serif;color:#f5f7fa}main{max-width:1050px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}h1{font-size:clamp(2rem,6vw,4rem);margin:0;letter-spacing:-.05em}h2{margin-top:0}p,small{color:var(--muted)}.card{background:color-mix(in srgb,var(--card) 94%,transparent);border:1px solid var(--line);border-radius:18px;padding:20px;margin-bottom:18px;box-shadow:0 18px 50px #0005}.grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.grid .card{margin:0 0 18px}label{display:grid;gap:7px;margin:13px 0}input{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;background:#0d1118;color:#fff}button{border:0;border-radius:10px;padding:11px 16px;background:var(--accent);color:#17110a;font-weight:700;cursor:pointer}.ghost{background:transparent;color:#fff;border:1px solid var(--line)}.book{border-top:1px solid var(--line);padding:18px 0}.book:first-child{border-top:0}.book h3{margin:.2rem 0}.chapter{display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px;padding:9px 0;border-top:1px dotted #30394a}.chapter button{padding:7px 10px}.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.player{position:sticky;bottom:12px;background:#111722eF;border:1px solid var(--accent);border-radius:14px;padding:12px 18px;backdrop-filter:blur(14px)}audio{width:100%;margin-top:8px}.ok{color:#72d69d}.error{color:#ff8a8a}@media(max-width:720px){main{padding:15px}.grid{grid-template-columns:1fr}header{align-items:flex-start}h1{font-size:2.5rem}}