:root{--bg:#faf9f5;--surface:#fff;--surface-2:#f0eee6;--ink:#1f1e1d;--muted:#6e6a63;--line:#e4e1d8;--accent:#d97757;--accent-soft:#f5e3db;--accent-ink:#fff;--danger:#b3372f;--serif:"Iowan Old Style", Georgia, "Times New Roman", serif;--sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--radius:18px;--dock-pad:env(safe-area-inset-bottom,0px)}@media (prefers-color-scheme:dark){:root{--bg:#262624;--surface:#30302e;--surface-2:#3a3935;--ink:#f3f1ea;--muted:#a7a299;--line:#45433e;--accent:#d97757;--accent-soft:#4a342b;--accent-ink:#fff;--danger:#e0695f}}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;overscroll-behavior-y:none;margin:0;padding:0}button{font:inherit;color:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation;background:0 0;border:none}input,select{font-size:16px;font-family:var(--sans);color:var(--ink)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}button svg,a svg{display:block}input[type=range]{appearance:none;--progress:0%;background:0 0}input[type=range]::-webkit-slider-runnable-track{background:linear-gradient(to right, var(--accent) var(--progress), var(--line) var(--progress));border-radius:2px;height:4px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--accent);border:none;border-radius:50%;width:16px;height:16px;margin-top:-6px;box-shadow:0 1px 3px #0003}input[type=range]:disabled::-webkit-slider-thumb{background:var(--muted)}input[type=range]::-moz-range-track{background:linear-gradient(to right, var(--accent) var(--progress), var(--line) 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0 28px;font-style:italic}.signin form{text-align:left;flex-direction:column;gap:14px;display:flex}.signin label{color:var(--muted);flex-direction:column;gap:6px;font-size:14px;display:flex}.signin input{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:12px 14px}.form-error{color:var(--danger);margin:0;font-size:14px}.btn-primary{background:var(--accent);color:var(--accent-ink);border-radius:14px;padding:13px 20px;font-size:16px;font-weight:600}.btn-primary:disabled{opacity:.45}.btn-big{width:100%;padding:16px;font-size:17px}.btn-link{color:var(--accent);padding:10px 0;font-size:14px}.btn-chip{background:var(--surface-2);border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:14px}.library-list{flex-direction:column;gap:10px;margin:0;padding:0 0 120px;list-style:none;display:flex}.library-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);color:inherit;align-items:center;gap:8px;padding:14px 8px 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2px;display:flex}.answer-head{align-items:center;gap:10px;display:flex}.answer-play{background:var(--accent);width:36px;height:36px;color:var(--accent-ink);border-radius:50%;flex-shrink:0;place-items:center;font-size:13px;display:grid}.answer-play:disabled{opacity:.4}.answer-label{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-size:12px;font-weight:700}.answer-state{color:var(--accent);text-transform:none;letter-spacing:normal;font-weight:500;animation:1.4s ease-in-out infinite pulse}.answer-text{font-family:var(--serif);white-space:pre-wrap;margin:0;font-size:17px;line-height:1.7}.chunk{cursor:pointer;border-radius:4px;transition:background-color .25s}.chunk:hover{background:var(--surface-2)}.chunk-active{background:var(--accent-soft);box-shadow:0 0 0 2px var(--accent-soft)}.nowplaying{background:var(--surface);border:1px solid var(--line);border-radius:16px;flex-direction:column;gap:2px;padding:10px 14px 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transparent)}50%{box-shadow:0 0 0 12px #0000}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.35}}.voice-panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;flex-direction:column;gap:8px;max-height:32dvh;padding:12px 16px;display:flex;overflow-y:auto}.voice-hint{color:var(--muted);margin:0;font-size:14px}.voice-transcript{margin:0;font-size:16px;line-height:1.5}.voice-transcript em{color:var(--muted);font-style:normal}.voice-countdown{color:var(--accent);align-items:center;gap:10px;font-size:14px;font-weight:600;display:flex}.settings{flex-direction:column;gap:28px;padding-bottom:60px;display:flex}.settings-group h2{font-family:var(--serif);color:var(--muted);margin:0 0 10px;font-size:16px;font-weight:600}.settings-row{background:var(--surface);border:1px solid var(--line);border-radius:14px;justify-content:space-between;align-items:center;gap:16px;margin-bottom:8px;padding:14px 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