:root{--bg: #ffffff;--bg-2: #f7f5f2;--surface: #f5f3f0;--surface-2: #ebe8e4;--line: #e0dcd6;--text: #10100f;--muted: #7c7570;--accent: #f53430;--accent-2: #ff6a45;--accent-soft: rgba(245, 52, 48, .1);--radius: 16px;--font: ui-sans-serif, -apple-system, "SF Pro Text", "Segoe UI", Inter, system-ui, sans-serif;--maxw: 1080px}*{box-sizing:border-box}html{scroll-behavior:smooth}html,body,#root{min-height:100%}body{margin:0;background:radial-gradient(ellipse at 22% 4%,rgba(245,52,48,.05) 0%,transparent 52%),var(--bg);background-attachment:fixed;color:var(--text);font-family:var(--font);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}.shell{max-width:var(--maxw);margin:0 auto;padding:0 22px 80px}.app-body{display:flex;min-height:100vh}.app-main{flex:1;min-width:0}.side-rail{display:none;flex:none;width:248px;flex-direction:column;gap:4px;padding:22px 14px;border-right:1px solid var(--line);background:var(--surface);position:sticky;top:0;height:100vh;overflow-y:auto}.side-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.015em;padding:4px 10px 20px}.side-nav{display:flex;flex-direction:column;gap:2px}.side-item{display:flex;align-items:center;gap:13px;border:0;background:transparent;color:var(--muted);padding:12px;border-radius:13px;font-size:15px;font-weight:560;text-align:left;transition:background .15s ease,color .15s ease}.side-item:hover{background:var(--surface-2);color:var(--text)}.side-item.active{background:var(--accent-soft);color:var(--accent);font-weight:640}.side-icon{font-size:17px;width:22px;text-align:center;flex:none}.side-tier{margin-top:auto;padding:10px 12px;font-size:12.5px;font-weight:640;color:var(--accent-2);background:var(--accent-soft);border-radius:11px;text-align:center}@media(min-width:900px){.side-rail{display:flex}.app-main .nav,.app-main .mobile-tabs{display:none}.shell{padding-bottom:60px}}.nav{position:sticky;top:0;z-index:50;padding-top:env(safe-area-inset-top);background:#ffffffdb;-webkit-backdrop-filter:saturate(150%) blur(14px);backdrop-filter:saturate(150%) blur(14px);border-bottom:1px solid var(--line)}.nav-inner{max-width:var(--maxw);margin:0 auto;padding:12px 22px;display:flex;align-items:center;gap:20px}.brand{display:flex;align-items:center;gap:9px;font-weight:680;letter-spacing:-.015em}.brand-mark{width:30px;height:30px;border-radius:9px;flex:none;background:linear-gradient(145deg,var(--accent),#d42a20);display:grid;place-items:center;font-size:15px}.tier-pill{font-size:11.5px;font-weight:650;letter-spacing:.02em;padding:3px 9px;border-radius:999px;margin-left:4px;background:var(--accent-soft);color:var(--accent-2);border:1px solid rgba(245,52,48,.3)}.btn{border:1px solid var(--line);background:var(--surface-2);color:var(--text);padding:11px 18px;border-radius:12px;font-weight:570;transition:background 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button.active{background:var(--accent);color:#fff}.save-badge{font-size:11px;font-weight:650;padding:2px 7px;border-radius:999px;background:#ffffff47}.cycle-switch button:not(.active) .save-badge{background:var(--accent-soft);color:var(--accent-2)}.plan-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:20px;max-width:780px;margin:0 auto}.plan{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:30px 26px;display:flex;flex-direction:column}.plan.featured{border-color:#f5343073;background:linear-gradient(180deg,rgba(245,52,48,.06),var(--surface) 42%)}.plan-flag{position:absolute;top:-11px;left:50%;transform:translate(-50%);background:var(--accent);color:#fff;font-size:11.5px;font-weight:650;padding:4px 13px;border-radius:999px;letter-spacing:.02em;white-space:nowrap}.plan h3{margin:0 0 4px;font-size:21px;font-weight:690;letter-spacing:-.015em}.plan-tagline{color:var(--muted);font-size:14px;margin:0 0 18px;min-height:40px}.plan-price{display:flex;align-items:baseline;gap:6px;flex-wrap:wrap}.plan-price .amount{font-size:38px;font-weight:700;letter-spacing:-.03em}.plan-price .suffix{color:var(--muted);font-size:15px}.plan-price .was{color:var(--muted);font-size:15px;text-decoration:line-through;text-decoration-color:#7c7570b3;margin-left:2px}.plan-note{color:var(--accent-2);font-size:13.5px;font-weight:560;margin-top:5px}.plan-note--muted{color:var(--muted);font-weight:500}.plan-features{list-style:none;padding:0;margin:22px 0 26px;display:flex;flex-direction:column;gap:11px}.plan-features li{position:relative;padding-left:26px;color:var(--muted);font-size:14.5px}.plan-features li:before{content:"✓";position:absolute;left:0;top:-1px;color:var(--accent-2);font-weight:700}.plan .btn{margin-top:auto}.pricing-foot{text-align:center;color:var(--muted);font-size:13px;margin-top:26px}.drop{border:1.5px dashed var(--line);border-radius:22px;padding:48px 24px;text-align:center;background:var(--surface);transition:border-color .18s ease,background .18s ease}.drop.over{border-color:var(--accent);background:#fdf1ef}.drop h3{margin:0 0 6px;font-size:19px;font-weight:640}.drop p{color:var(--muted);margin:0 0 18px;font-size:14.5px}.hint{color:var(--muted);font-size:12.5px;margin-top:15px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}.book-bar{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:18px}.book-title{font-weight:650;font-size:17.5px;letter-spacing:-.012em}.book-sub{color:var(--muted);font-size:13px}.mode-switch{display:inline-flex;background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:3px}.mode-switch button{border:0;background:transparent;color:var(--muted);padding:7px 14px;border-radius:9px;font-size:13.5px;font-weight:560}.mode-switch button.active{background:var(--accent);color:#fff}.transcript{margin-top:18px;max-height:46vh;overflow-y:auto;padding-right:6px;display:flex;flex-direction:column;gap:14px}.turn{display:flex;gap:12px;align-items:flex-start}.who{flex:none;width:62px;font-size:12px;font-weight:660;color:var(--accent-2);padding-top:2px}.turn.b .who{color:#1f7a96}.turn p{margin:0;font-size:15.5px}.mono-narration{font-size:16px;margin:0;white-space:pre-wrap}.controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:20px}audio{width:100%;margin-top:16px;border-radius:10px}.progress{height:6px;background:var(--surface-2);border-radius:999px;overflow:hidden;margin-top:16px}.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .25s ease}.status{color:var(--muted);font-size:14.5px;display:flex;align-items:center;gap:10px}.spinner{width:15px;height:15px;border-radius:50%;border:2px solid var(--line);border-top-color:var(--accent);animation:spin .8s linear infinite;flex:none}@keyframes spin{to{transform:rotate(360deg)}}.notice{border-radius:12px;padding:14px 16px;font-size:14.5px;border:1px solid var(--line);background:var(--surface-2);color:var(--muted)}.notice.warn{border-color:#f534306b;background:var(--accent-soft);color:#b42318}.notice strong{color:var(--text);font-weight:620}.banner{display:flex;align-items:center;justify-content:center;gap:10px;background:var(--accent-soft);border-bottom:1px solid rgba(245,52,48,.3);color:var(--accent-2);font-size:14px;padding:11px 16px}.chunk-nav{display:flex;align-items:center;gap:10px;margin-top:16px;flex-wrap:wrap}.chunk-count{color:var(--muted);font-size:13px}@media(max-width:780px){.hero{padding:52px 0 44px}.section{padding:48px 0}.plan-tagline{min-height:0}}.brand-logo{width:32px;height:32px;border-radius:9px;flex:none;object-fit:cover}.tab-bar{display:flex;gap:4px}.tab-btn{border:0;background:transparent;color:var(--muted);padding:9px 15px;border-radius:10px;font-weight:570;font-size:14.5px;display:inline-flex;align-items:center;gap:7px;transition:color .15s ease,background .15s ease}.tab-btn:hover{color:var(--text)}.tab-btn.active{color:var(--text);background:var(--surface-2)}.tab-icon{display:none}.mobile-tabs{position:fixed;bottom:0;left:0;right:0;z-index:60;background:#fffffff2;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-top:1px solid var(--line);padding:8px 8px calc(8px + env(safe-area-inset-bottom));display:none}.tab-panel{padding:26px 0 20px}.panel-head{margin-bottom:20px}.panel-head h2{font-size:26px;letter-spacing:-.025em;font-weight:690;margin:0 0 5px}.panel-head p{color:var(--muted);margin:0;font-size:14.5px}.search{width:100%;padding:13px 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var(--line);margin-bottom:9px;transition:transform .18s ease,border-color .18s ease}.book-card:hover .cover{transform:translateY(-3px);border-color:var(--accent)}.cover img{width:100%;height:100%;object-fit:cover;display:block}.cover-busy{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;background:#0000008c}.book-card-title{font-size:13.5px;font-weight:590;line-height:1.35;margin-bottom:2px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.book-card-author{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.shelf{display:flex;flex-direction:column;gap:10px;margin-top:20px}.shelf-row{display:flex;align-items:stretch;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .16s ease}.shelf-row:hover{border-color:#cfc9c1}.shelf-main{flex:1;display:flex;align-items:center;gap:14px;padding:13px 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h1{font-size:27px;font-weight:700;letter-spacing:-.025em;margin:0 0 5px}.auth-sub{color:var(--muted);margin:0 0 24px;font-size:15px}.auth-points{list-style:none;padding:0;margin:0 0 26px;display:flex;flex-direction:column;gap:10px;text-align:left}.auth-points li{position:relative;padding-left:26px;color:var(--muted);font-size:14.5px}.auth-points li:before{content:"✓";position:absolute;left:0;color:var(--accent-2);font-weight:700}.auth-buttons{display:flex;flex-direction:column;gap:11px;align-items:center}.gsi-holder{min-height:44px;display:flex;justify-content:center;width:100%}.btn-apple{width:100%;max-width:320px;background:#000;color:#fff;border-color:#000;font-weight:590;height:46px;border-radius:999px}.btn-apple:hover:not(:disabled){background:#1c1c1e;border-color:#1c1c1e}.auth-guest{margin-top:22px;font-size:14px}.auth-fine{color:var(--muted);font-size:11.5px;margin:14px 0 0;line-height:1.5}.auth-fine a{color:var(--muted);text-decoration:underline}.continue-card{display:flex;align-items:center;gap:16px;width:100%;text-align:left;background:linear-gradient(135deg,rgba(245,52,48,.1),var(--surface) 60%);border:1px solid rgba(245,52,48,.3);border-radius:18px;padding:16px;color:inherit;transition:transform .16s ease,border-color .16s ease}.continue-card:hover{transform:translateY(-2px);border-color:var(--accent)}.continue-cover{width:62px;height:88px;border-radius:10px;flex:none;overflow:hidden;background:var(--surface-2);border:1px solid var(--line);display:grid;place-items:center;font-size:24px;font-weight:700;color:var(--muted)}.continue-cover 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