:root{--bg: #0f172a;--panel: #1e293b;--panel-2: #273449;--text: #f8fafc;--muted: #cbd5e1;--accent: #facc15;--accent-fg: #1f2937;--danger: #ef4444;--focus: #38bdf8;--ok: #22c55e;--brand: #d97706;--brand-soft: #fbbf24}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:18px;line-height:1.6;overflow:hidden}button,input,select,textarea{font:inherit;color:inherit}button{background:var(--accent);color:var(--accent-fg);border:none;border-radius:12px;padding:12px 18px;font-weight:700;cursor:pointer;min-height:48px;min-width:48px}button:hover{filter:brightness(1.05)}button:disabled{opacity:.5;cursor:not-allowed}button.secondary{background:var(--panel-2);color:var(--text)}button.danger{background:var(--danger);color:#fff}button.small{min-height:36px;padding:6px 12px;font-size:.9rem}button.ghost{background:transparent;color:var(--muted);border:1px solid transparent;padding:6px 8px;min-height:32px;min-width:32px;font-weight:500;border-radius:8px;opacity:.55}button.ghost:hover{opacity:1;background:#f8fafc0f;border-color:#f8fafc26;color:var(--text)}button.ghost:focus-visible{opacity:1}button.icon-button{font-size:1rem;line-height:1}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.app{position:fixed;top:0;right:0;bottom:0;left:0;height:100dvh;max-height:100dvh;width:100%;max-width:960px;margin:0 auto;padding:12px 24px;display:flex;flex-direction:column;gap:12px;overflow:hidden}header.app-header{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px}header.app-header h1{font-size:1.4rem;margin:0;line-height:1.1}.brand{display:flex;align-items:center;gap:14px;min-width:0}.brand-text{display:flex;flex-direction:column;min-width:0}.brand-tagline{color:var(--muted);font-size:.85rem;line-height:1.2}.brand-tagline a{color:var(--brand-soft);text-decoration:none;border-bottom:1px dotted rgba(251,191,36,.5)}.brand-tagline a:hover{color:#fde68a;border-bottom-color:#fde68a}.app-footer a{color:var(--muted);text-decoration:none;border-bottom:1px dotted rgba(203,213,225,.3)}.app-footer a:hover{color:var(--text);border-bottom-color:#f8fafc99}footer.app-footer{flex:0 0 auto;display:flex;flex-wrap:wrap;align-items:center;gap:2px 6px;padding-top:4px;margin-top:4px;border-top:1px solid rgba(203,213,225,.08);font-size:.7rem;line-height:1.2;color:var(--muted)}.footer-meta{line-height:1.2}.footer-sep{opacity:.5}.footer-link.lang-toggle{margin-left:auto}.app-body{flex:1 1 0;min-height:0;display:flex;flex-direction:column;gap:12px;overflow:hidden}.app-body--login{align-items:center;justify-content:center}.app-body--login>.login-card{margin:0;width:100%}.app-body>.library-actions{flex:0 0 auto;display:flex;justify-content:center}.app-body>.library-card{flex:1 1 0;min-height:0;display:flex;flex-direction:column;gap:12px;overflow:hidden}.library-card.library-card--empty{flex:0 0 auto}.library-card>h2{margin:0;flex:0 0 auto;font-size:1.2rem}.library-card>.book-list{flex:1 1 0;min-height:0;overflow-y:auto;padding-right:4px}.app-body--reader{overflow:hidden;gap:0;display:grid;grid-template-rows:1fr}.reader{display:grid;grid-template-rows:auto auto 1fr auto auto;gap:14px;min-height:0;height:100%;margin:0;padding:4px 2px}.reader-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.mode-toggle{background:var(--panel-2);color:var(--text);border:2px solid transparent;font-weight:600}.mode-toggle.is-on{background:var(--accent);color:var(--accent-fg);border-color:var(--accent)}.reader-meta{display:flex;flex-direction:column;gap:8px;min-width:0}.page-indicator{margin:0;font-size:1.15rem;font-weight:700;color:var(--text)}.reader-nav{display:grid;grid-template-columns:1fr 1fr;gap:12px}.big-nav{min-height:64px;font-size:1.05rem;display:flex;align-items:center;justify-content:center;gap:10px}.card{background:var(--panel);border-radius:16px;padding:16px 20px}.muted{color:var(--muted)}.upload-form{display:flex;flex-direction:column;gap:12px}.upload-form>p.muted{margin:0;font-size:.95rem}.upload-actions{grid-column:1 / -1;display:flex;justify-content:flex-end;gap:8px;margin-top:4px}.upload{display:grid;grid-template-columns:max-content minmax(0,1fr);align-items:center;gap:8px 12px;min-width:0}.upload label{font-size:.95rem;white-space:nowrap}.upload input[type=file],.upload input[type=text]{background:var(--panel-2);border:1px solid #334155;border-radius:10px;padding:10px 12px;min-width:0;width:100%}.upload>.upload-actions{grid-column:1 / -1;display:flex;justify-content:flex-end;gap:8px;margin-top:4px}.book-list{list-style:none;padding:0;margin:0;display:grid;gap:8px;align-content:start}.book-list li{display:flex;justify-content:space-between;align-items:center;background:var(--panel-2);padding:10px 14px;border-radius:12px;gap:12px}.book-list .book-title{font-weight:600}.book-list .book-meta{color:var(--muted);font-size:.9rem}.book-list .book-progress{color:var(--brand-soft);font-weight:600}.book-list .actions{display:flex;gap:8px}.page-text{min-height:0;overflow-y:auto;background:var(--panel-2);border-radius:16px;padding:22px 24px;font-size:1.25rem;line-height:1.8;white-space:pre-wrap;margin:0}.audio-bar{margin:0;min-height:48px}.audio-bar audio{width:100%;height:48px;display:block}.read-aloud{display:flex;align-items:center;justify-content:center;gap:14px;width:100%;min-height:56px;padding:12px 20px;font-size:1.1rem;font-weight:700;letter-spacing:.01em;color:var(--accent-fg);background:var(--accent);border:none;border-radius:14px;cursor:pointer;transition:filter .12s ease,transform .12s ease}.read-aloud:hover{filter:brightness(1.05)}.read-aloud:active{transform:translateY(1px)}.read-aloud:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.read-aloud-icon{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:#0f172a2e;font-size:.9rem}.page-audio{display:flex;flex-direction:column;gap:6px;min-height:48px}.page-audio audio{width:100%;height:48px}.page-audio-status{display:flex;align-items:center;gap:12px;background:var(--panel-2);border-radius:12px;padding:10px 14px;min-height:48px;color:var(--muted);font-size:.95rem}.page-audio-status .error{flex:1;margin:0}.page-loader{display:flex;align-items:center;gap:16px;padding:8px 4px}.page-loader--centered{justify-content:center;align-items:center;height:100%;min-height:200px;padding:0}.page-loader-text{display:flex;flex-direction:column;gap:4px}.page-loader-text strong{font-weight:700}.spinner{width:28px;height:28px;border-radius:50%;border:3px solid rgba(248,250,252,.15);border-top-color:var(--accent);animation:spinner-rot .9s linear infinite;flex:0 0 auto}.spinner--lg{width:56px;height:56px;border-width:5px}@keyframes spinner-rot{to{transform:rotate(360deg)}}@media (prefers-reduced-motion: reduce){.spinner{animation:spinner-pulse 1.6s ease-in-out infinite}@keyframes spinner-pulse{0%,to{opacity:.4}50%{opacity:1}}}.toggle{display:inline-flex;align-items:center;gap:8px;cursor:pointer}.toggle input{width:20px;height:20px}.error{background:#7f1d1d;color:#fff;padding:10px 14px;border-radius:10px}.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em}.badge--content{background:#22c55e26;color:var(--ok);border:1px solid rgba(34,197,94,.4)}.badge--warn{background:#facc152e;color:var(--accent);border:1px solid rgba(250,204,21,.45)}.skip-notice{background:#facc1514;border-left:4px solid var(--accent);padding:10px 14px;border-radius:10px;margin:0;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:.95rem;color:var(--muted);flex-wrap:wrap}.status{color:var(--muted);font-style:italic;margin:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.user-bar{display:flex;align-items:center;gap:12px;flex:0 0 auto}.user-name{color:var(--muted);font-size:.95rem;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.login-card{max-width:420px;margin:24px auto}.login-form{display:flex;flex-direction:column;gap:10px}.login-form input{background:var(--panel-2);color:var(--text);border:2px solid transparent;border-radius:10px;padding:12px 14px;font-size:1.05rem;letter-spacing:.02em}.login-form input:focus{outline:none;border-color:var(--focus)}dialog.modal{border:none;background:transparent;color:inherit;padding:0;max-width:560px;width:calc(100% - 32px)}dialog.modal::backdrop{background:#020617b3;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal-content{background:var(--panel);border-radius:16px;padding:18px 20px 20px;display:flex;flex-direction:column;gap:12px;max-height:calc(100dvh - 32px);overflow-y:auto;-webkit-overflow-scrolling:touch}.modal-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.modal-header h2{margin:0;font-size:1.2rem}.settings-body{display:flex;flex-direction:column;gap:14px}.settings-intro{margin:0;font-size:.9rem;line-height:1.4}.settings-field{display:flex;flex-direction:column;gap:6px}.settings-label{font-weight:600;font-size:.95rem}.settings-body select{background:var(--panel-2);color:var(--text);border:1px solid #334155;border-radius:10px;padding:10px 12px;min-height:44px}.settings-body .confirm-actions{align-items:center}.settings-sample{display:flex;flex-direction:column;gap:8px;background:var(--panel-2);border-radius:12px;padding:12px 14px}.settings-sample audio{width:100%;height:40px}.settings-sample-hint{font-size:.85rem;line-height:1.3}.confirm-body{display:flex;flex-direction:column;gap:16px}.confirm-body p{margin:0;line-height:1.5}.confirm-actions{display:flex;justify-content:flex-end;gap:10px}@media (max-width: 600px){html,body,#root{font-size:17px}.app{padding:8px 12px;gap:8px}header.app-header h1{font-size:1.2rem}.user-bar{gap:8px}.user-name{max-width:120px;font-size:.85rem}.card{padding:14px;border-radius:14px}.book-list li{flex-direction:column;align-items:stretch;gap:10px;padding:12px}.book-list .actions{justify-content:flex-end}.reader{gap:10px;padding:0}.reader-head{gap:8px}.reader-head>*{flex:1 1 auto}.mode-toggle{min-height:52px}.page-indicator{font-size:1rem}.page-text{padding:16px;font-size:1.15rem;line-height:1.7}.reader-nav{gap:8px}.big-nav{min-height:60px;padding:10px 12px;font-size:1rem}.audio-bar audio{height:44px}.upload{grid-template-columns:1fr}footer.app-footer{font-size:.65rem;gap:2px 5px}}@media (max-width: 380px){.reader-nav{grid-template-columns:1fr}}.footer-link{background:transparent;color:var(--muted);border:none;padding:0;min-height:0;min-width:0;font-weight:500;text-decoration:none;border-bottom:1px dotted rgba(203,213,225,.3);cursor:pointer;font-size:inherit;line-height:1.2}.footer-link:hover{color:var(--text);border-bottom-color:#f8fafc99}.lang-toggle{font-family:ui-monospace,SFMono-Regular,JetBrains Mono,monospace;letter-spacing:.08em}.attestation{grid-column:1 / -1;border:1px solid rgba(250,204,21,.3);background:#facc150d;border-radius:10px;padding:10px 14px;margin:4px 0 0;min-width:0}.attestation p{margin:6px 0}.attestation legend{padding:0 6px;font-weight:600;color:var(--text)}.attestation .small{font-size:.85rem}.attestation-check{display:flex;align-items:flex-start;gap:10px;margin-top:8px;cursor:pointer;line-height:1.45}.attestation-check input[type=checkbox]{margin-top:4px;width:18px;height:18px;flex-shrink:0}.accept-terms{display:flex;flex-direction:column;gap:12px;max-width:760px;margin:0 auto;width:100%;flex:1 1 0;min-height:0}.accept-terms>h2{flex:0 0 auto;margin:0}.accept-terms>p,.accept-terms>.error,.accept-terms>.accept-tabs,.accept-terms>.accept-checks,.accept-terms>.accept-actions{flex:0 0 auto}.accept-tabs{display:flex;gap:6px;border-bottom:1px solid rgba(203,213,225,.18);padding-bottom:2px;flex-wrap:wrap}.accept-tabs .tab{background:transparent;color:var(--muted);border:none;border-bottom:3px solid transparent;border-radius:0;padding:8px 10px;font-weight:600;min-height:0}.accept-tabs .tab--active{color:var(--text);border-bottom-color:var(--brand)}.accept-doc-scroll{flex:1 1 0;min-height:120px;overflow-y:auto;-webkit-overflow-scrolling:touch;background:#0f172a73;border:1px solid rgba(203,213,225,.12);border-radius:10px;padding:14px 18px}.accept-doc-scroll:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.accept-checks{display:flex;flex-direction:column;gap:8px}.accept-checks label{display:flex;gap:10px;align-items:flex-start;line-height:1.45;cursor:pointer}.accept-checks input[type=checkbox]{margin-top:4px;width:20px;height:20px;flex-shrink:0}.accept-actions{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}.accept-actions>button{flex:1 1 auto}@media (max-width: 600px){.accept-terms{padding:14px;gap:10px}.accept-terms>h2{font-size:1.1rem}.accept-terms>p{font-size:.95rem;line-height:1.45}.accept-checks label{font-size:.92rem}.accept-doc-scroll{padding:10px 12px;min-height:100px}.accept-doc-scroll .legal-doc h2{font-size:1.05rem}.accept-doc-scroll .legal-doc h3{font-size:.95rem}.accept-doc-scroll .legal-doc p,.accept-doc-scroll .legal-doc li{font-size:.88rem;line-height:1.5}.accept-actions{gap:8px}.accept-actions>button{min-height:52px;padding:10px 12px}}.legal-doc h2{margin-top:0}.legal-doc h3{margin-top:1.2em;margin-bottom:.4em;font-size:1rem;color:var(--brand-soft)}.legal-doc p,.legal-doc li{font-size:.95rem;line-height:1.55}.legal-doc ul,.legal-doc ol{padding-left:1.25em}.legal-doc a{color:var(--brand-soft)}