:root{--bg:#0e1018;--panel:#171b29;--panel2:#202638;--text:#f4f1ea;--muted:#9ba3b7;--accent:#ffb86b;--accent2:#e4774e;--line:#30384d}[hidden]{display:none!important}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 15% 0,#252035 0,transparent 35%),var(--bg);color:var(--text);font:16px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;min-height:100vh}.center{min-height:100vh;display:grid;place-items:center;padding:24px}.panel{background:rgba(23,27,41,.94);border:1px solid var(--line);box-shadow:0 30px 80px #0008;border-radius:24px}.login-card{width:min(420px,100%);padding:38px}.logo{display:grid;place-items:center;width:58px;height:58px;border-radius:18px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#24150d;font:800 30px Georgia}.logo.small{display:inline-grid;width:34px;height:34px;border-radius:11px;font-size:18px;margin-right:10px}.login-card h1{font:700 42px Georgia;margin:20px 0 4px}.login-card p,.hero p{color:var(--muted)}label{display:block;color:var(--muted);font-size:13px;margin:18px 0 7px}input,select{background:#0f131f;color:var(--text);border:1px solid var(--line);border-radius:11px;padding:12px;width:100%}button,.upload{border:0;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#24150d;font-weight:750;padding:12px 17px;cursor:pointer}.login-card button{width:100%;margin-top:24px}.error{color:#ff8d8d;margin-top:12px;min-height:24px}header{height:70px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 4vw;background:#0e1018dd;backdrop-filter:blur(16px);position:sticky;top:0;z-index:4}header>div{display:flex;align-items:center}.header-actions{gap:10px}.ghost{background:transparent;color:var(--muted);border:1px solid var(--line)}.upload input{display:none}.page{width:min(1180px,92vw);margin:auto}.hero{padding:70px 0 38px}.eyebrow{color:var(--accent)!important;font-weight:800;letter-spacing:.15em;font-size:12px}.hero h1{font:700 clamp(36px,5vw,64px)/1.08 Georgia;margin:10px 0}.books{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px;padding-bottom:80px}.book{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:23px;cursor:pointer;transition:.2s}.book:hover{transform:translateY(-4px);border-color:#6a5360}.book-icon{height:150px;border-radius:14px;background:linear-gradient(145deg,#704d53,#252b42);display:grid;place-items:center;font:800 42px Georgia;color:#ffd7aa}.book h3{margin:18px 0 4px}.book small{color:var(--muted)}.bar{height:5px;background:#0d1018;border-radius:10px;margin-top:18px;overflow:hidden}.bar i{display:block;height:100%;background:var(--accent)}.reader{height:100vh;display:grid;grid-template-rows:72px 1fr 92px}.reader-top{display:flex;align-items:center;gap:24px;padding:10px 3vw;border-bottom:1px solid var(--line)}.reader-top>div{flex:1;display:flex;flex-direction:column}.reader-top small{color:var(--muted)}.reading-area{min-height:0;display:grid;grid-template-columns:320px 1fr}.reading-area aside{overflow:auto;border-right:1px solid var(--line);padding:20px}.chunk{padding:12px;border-radius:10px;color:var(--muted);font-size:13px;cursor:pointer}.chunk.active{background:var(--panel2);color:var(--text);border-left:3px solid var(--accent)}article{overflow:auto;padding:8vh min(11vw,150px);background:#f2ede4;color:#28251f}article p{font:22px/1.85 Georgia;max-width:820px;margin:auto}#pageLabel{color:#8a7966;text-align:center;font-size:13px;margin-bottom:28px}.player{display:flex;align-items:center;gap:12px;padding:15px 3vw;background:#151824;border-top:1px solid var(--line)}.player button{width:45px;height:45px;padding:0}.player .play{width:58px;height:58px;border-radius:50%}.timeline{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;flex:1;color:var(--muted);font-size:12px}.timeline input{padding:0}.speed{display:flex;align-items:center;width:150px}.speed input[type=range]{display:none}.speed input[type=number]{width:90px}.speed span{margin-left:4px}@media(max-width:760px){header{padding:0 14px}.upload{font-size:0}.upload:before{content:'＋ PDF';font-size:14px}.hero{padding-top:42px}.reading-area{grid-template-columns:1fr}.reading-area aside{display:none}article{padding:8vh 7vw}.reader-top{gap:8px}.reader-top strong{max-width:160px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.player{height:auto;flex-wrap:wrap;padding:10px}.timeline{order:2;flex-basis:100%}.player select{width:130px}.speed{width:90px}.ghost{padding:9px}.reader{grid-template-rows:70px 1fr 120px}}