:root{--bg: #0b1119;--panel: #122a4c;--panel-2: #16335c;--fg: #e8eef7;--muted: #93a4bd;--accent: #5aa9ff;--ok: #6ee7a0;--err: #ff8a8a;--radius: 14px;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:radial-gradient(1200px 600px at 50% -10%,var(--panel) 0%,var(--bg) 60%);color:var(--fg);font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.app{min-height:100%;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid rgba(255,255,255,.08)}.brand{font-weight:700;font-size:1.15rem;letter-spacing:.02em;color:var(--fg);text-decoration:none}.navlink{color:var(--accent);text-decoration:none;font-weight:600}.navlink:hover{text-decoration:underline}.content{flex:1;display:flex;justify-content:center;padding:48px 24px}.hero{width:100%;max-width:640px}.hero h1{font-size:clamp(1.8rem,4vw,2.6rem);margin:0 0 12px}.lede{color:var(--muted);font-size:1.1rem;margin:0 0 28px}.card{background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:20px 22px}.card h2{margin:0 0 10px;font-size:1.05rem}.muted{color:var(--muted)}.ok{color:var(--ok)}.err{color:var(--err)}.userbox{display:inline-flex;align-items:center;gap:12px}.btn{display:inline-block;text-align:center;text-decoration:none;background:var(--accent);color:#06121f;font-weight:700;border:0;border-radius:10px;padding:11px 18px;cursor:pointer}.btn:disabled{opacity:.6;cursor:default}.btn-google{background:#fff;color:#1f2937}.linkbtn{background:none;border:0;color:var(--accent);font:inherit;font-weight:600;cursor:pointer;padding:0}.linkbtn:hover{text-decoration:underline}.form{display:flex;flex-direction:column;gap:14px;max-width:420px}.form label{display:flex;flex-direction:column;gap:6px;font-size:.9rem;color:var(--muted)}.form input{background:#00000040;border:1px solid rgba(255,255,255,.14);border-radius:9px;padding:10px 12px;color:var(--fg);font-size:1rem}.form input:focus{outline:2px solid var(--accent);border-color:transparent}.divider{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:.85rem}.divider:before,.divider:after{content:"";flex:1;height:1px;background:#ffffff1f}.switch{margin-top:18px;color:var(--muted)}.booklist{list-style:none;padding:0;margin:8px 0 0;display:flex;flex-direction:column;gap:10px}.bookrow{display:flex;align-items:center;justify-content:space-between;gap:16px;background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:14px 16px}.bookmeta{display:flex;flex-direction:column;gap:2px;min-width:0}.booktitle{font-weight:600}.bookprog{display:flex;align-items:center;gap:10px;flex-shrink:0}.bar{width:120px;height:7px;background:#ffffff1f;border-radius:999px;overflow:hidden}.barfill{height:100%;background:var(--accent)}.devhead{display:flex;align-items:center;gap:8px;font-weight:600;margin:0 0 6px}.dot{width:9px;height:9px;border-radius:999px;background:var(--ok);box-shadow:0 0 8px var(--ok)}.btn-small{padding:7px 12px;font-size:.85rem;border-radius:8px}.btn-ghost{background:transparent;color:var(--ok);border:1px solid rgba(110,231,160,.4)}.rowactions{display:inline-flex;gap:8px;align-items:center}.readerroot{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;flex-direction:column;background:var(--bg)}.readerbar{display:flex;align-items:center;gap:12px;padding:10px 16px;border-bottom:1px solid rgba(255,255,255,.1)}.readertitle{flex:1;text-align:center;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.readerbody{flex:1;position:relative;overflow:hidden;min-height:0}.pdfwrap{height:100%;display:flex;flex-direction:column}.pdfscroll{flex:1;overflow:auto;display:flex;justify-content:center;align-items:flex-start;background:#3a3f44;padding:14px}.pdfcanvas{background:#fff;box-shadow:0 6px 24px #00000080;max-width:100%}.epubwrap{height:100%;display:flex;flex-direction:column;position:relative}.epubview{flex:1;min-height:0;background:#fff}.tapzone{position:absolute;top:0;bottom:52px;width:16%;background:transparent;border:0;cursor:pointer;z-index:5}.tapleft{left:0}.tapright{right:0}.readernav{display:flex;align-items:center;justify-content:center;gap:18px;padding:10px;border-top:1px solid rgba(255,255,255,.1);background:var(--bg)}