@import"https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400..900;1,400..900&family=Inter:wght@300;400;500;600&display=swap";:root{--bg-paper: #fdfaf6;--text-main: #1a2b3c;--text-muted: #5c6b7a;--accent-gold: #c5a059;--accent-gold-soft: #e2d1b0;--border-color: #e5e0d8;--card-bg: #fff;--color-primary: #6366f1;--color-success: #10b981;--color-warning: #f59e0b;--color-highlight-1: #fef08a;--color-highlight-2: #fca5a5;--color-highlight-3: #a7f3d0;--accent-navy: #1a2b3c;--font-serif: "Playfair Display", serif;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;line-height:1.6;font-weight:400;color:var(--text-main);background-color:var(--bg-paper);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh;font-family:var(--font-sans)}h1,h2,h3,.serif{font-family:var(--font-serif);font-weight:700;letter-spacing:-.01em}#root{max-width:100%;margin:0;padding:0}button{font-family:var(--font-sans);font-size:.9rem;font-weight:500;padding:.8rem 1.5rem;border-radius:4px;border:1px solid var(--border-color);background:#fff;cursor:pointer;transition:all .2s ease;color:var(--text-main)}button:hover{border-color:var(--accent-gold);color:var(--accent-gold)}button.primary{background:var(--text-main);color:#fff;border-color:var(--text-main)}button.primary:hover{background:var(--accent-navy);opacity:.9}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-paper)}::-webkit-scrollbar-thumb{background:var(--accent-gold-soft);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--accent-gold)}html.dark{--bg-paper: #1a1a2e;--text-main: #e0e0e8;--text-muted: #8888a0;--accent-gold: #d4a853;--accent-gold-soft: #4a3f2e;--border-color: #2a2a42;--card-bg: #22223a;--accent-navy: #e0e0e8;--color-highlight-1: #5c5520;--color-highlight-2: #5c2020;--color-highlight-3: #1c4030}html.dark body{background-color:var(--bg-paper);color:var(--text-main)}html.dark button{background:var(--card-bg);color:var(--text-main);border-color:var(--border-color)}html.dark button.primary{background:var(--accent-gold);color:#1a1a2e;border-color:var(--accent-gold)}html.dark .doc-card,html.dark .panel,html.dark .modal-content,html.dark .reader-text-view{background:var(--card-bg)}html.dark .chat-message-user .chat-bubble{background:var(--accent-gold);color:#1a1a2e}html.dark .chat-message-assistant .chat-bubble{background:var(--card-bg);border-color:var(--border-color)}html.dark .chat-input,html.dark .settings-input,html.dark .bookmark-input,html.dark .highlight-edit-input{background:var(--bg-paper);color:var(--text-main);border-color:var(--border-color)}html.dark .modal-overlay{background:#0009}html.dark .chat-speak-btn{background:var(--card-bg)}html.dark select.settings-input{background:var(--bg-paper);color:var(--text-main);border-color:var(--border-color)}.app-container{max-width:800px;margin:0 auto;padding:2rem 1rem}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:3rem;border-bottom:1px solid var(--border-color);padding-bottom:1rem}.logo-section{display:flex;align-items:center;gap:1rem}.app-title{margin:0;font-size:1.8rem;color:var(--text-main)}.library-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}.doc-card{background:#fff;border:1px solid var(--border-color);padding:1.5rem;border-radius:4px;position:relative;transition:transform .2s ease,border-color .2s ease;cursor:pointer;display:flex;flex-direction:column;gap:.5rem}.doc-card:hover{transform:translateY(-2px);border-color:var(--accent-gold)}.doc-title{margin:0;font-size:1.2rem;color:var(--text-main)}.doc-meta{font-size:.85rem;color:var(--text-muted);display:flex;gap:.5rem;align-items:center}.progress-container{margin-top:auto;padding-top:1rem}.progress-bar{height:4px;background:#eee;border-radius:2px;overflow:hidden}.progress-fill{height:100%;background:var(--accent-gold);transition:width .3s ease}.progress-text{font-size:.75rem;color:var(--text-muted);margin-top:.4rem;display:block;text-align:right}.empty-state{text-align:center;padding:5rem 2rem;border:2px dashed var(--border-color);border-radius:8px;color:var(--text-muted)}.modal-overlay{position:fixed;inset:0;background:#1a2b3c66;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;justify-content:center;align-items:center;z-index:1000}.modal-content{background:var(--bg-paper);padding:2.5rem;border-radius:8px;width:90%;max-width:500px;border:1px solid var(--border-color);box-shadow:0 10px 25px #0000001a}.file-input-wrapper{border:1px dashed var(--border-color);padding:3rem;text-align:center;margin:1.5rem 0;border-radius:4px;cursor:pointer}.file-input-wrapper:hover{border-color:var(--accent-gold)}.reader-container{display:flex;flex-direction:column;min-height:calc(100vh - 80px)}.reader-header{display:flex;align-items:center;gap:1rem;padding-bottom:1rem;border-bottom:1px solid 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2px}.reader-actions{display:flex;gap:.5rem;margin-bottom:.5rem;border-top:1px solid var(--border-color);padding-top:.75rem}.reader-action-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:.5rem;border:1px solid var(--border-color);background:transparent;border-radius:4px;cursor:pointer;font-size:.8rem;color:var(--text-muted);transition:all .2s ease}.reader-action-btn:hover{border-color:var(--accent-gold);color:var(--accent-gold)}.reader-action-btn.active{border-color:var(--accent-gold);color:var(--accent-gold);background:#c5a05914}.player-container{position:sticky;bottom:0;background:var(--bg-paper);border-top:1px solid var(--border-color);padding:1rem 0}.player-progress-wrapper{cursor:pointer;padding:4px 0}.player-progress-track{height:6px;background:#e5e0d8;border-radius:3px;position:relative;overflow:visible}.player-progress-fill{height:100%;background:var(--accent-gold);border-radius:3px;transition:width .3s 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var(--border-color);background:transparent;border-radius:4px;cursor:pointer;font-size:.8rem;color:var(--text-muted)}.panel-action-btn:hover,.panel-action-btn.active{border-color:var(--accent-gold);color:var(--accent-gold)}.panel-empty{text-align:center;padding:2rem;color:var(--text-muted);font-size:.85rem}.bookmark-add-form{padding:.75rem 1rem;border-bottom:1px solid var(--border-color)}.bookmark-input{width:100%;padding:.5rem .75rem;border:1px solid var(--border-color);border-radius:4px;font-family:var(--font-sans);font-size:.9rem;box-sizing:border-box}.bookmark-input:focus{outline:none;border-color:var(--accent-gold)}.bookmark-list{max-height:200px;overflow-y:auto}.bookmark-item{display:flex;align-items:center;justify-content:space-between;padding:.6rem 1rem;border-bottom:1px solid var(--border-color);cursor:pointer;transition:background 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var(--accent-gold)}.chat-panel{display:flex;flex-direction:column}.chat-messages{max-height:250px;overflow-y:auto;padding:.5rem}.chat-message{margin-bottom:.75rem;display:flex}.chat-message-user{justify-content:flex-end}.chat-message-assistant{justify-content:flex-start}.chat-bubble{max-width:85%;padding:.6rem .9rem;border-radius:12px;font-size:.85rem;line-height:1.5;position:relative}.chat-message-user .chat-bubble{background:var(--text-main);color:#fff;border-bottom-right-radius:4px}.chat-message-assistant .chat-bubble{background:#c5a0591a;color:var(--text-main);border-bottom-left-radius:4px;border:1px solid var(--border-color)}.chat-bubble-loading{display:flex;align-items:center;gap:8px;color:var(--text-muted);font-style:italic}.chat-speak-btn{position:absolute;bottom:-2px;right:-6px;padding:2px 4px;border:1px solid var(--border-color);background:#fff;border-radius:10px;cursor:pointer;color:var(--text-muted);transition:color 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var(--border-color)}.settings-row{display:flex;justify-content:space-between;align-items:center;padding:.5rem 0}.settings-input{padding:.5rem .75rem;border:1px solid var(--border-color);border-radius:4px;font-family:var(--font-sans);font-size:.85rem;outline:none}.settings-input:focus{border-color:var(--accent-gold)}.toggle{width:44px;height:24px;background:#d1d5db;border-radius:12px;position:relative;cursor:pointer;transition:background .2s}.toggle.active{background:var(--accent-gold)}.toggle-thumb{width:20px;height:20px;background:#fff;border-radius:50%;position:absolute;top:2px;left:2px;transition:transform .2s;box-shadow:0 1px 3px #0003}.toggle.active .toggle-thumb{transform:translate(20px)}.settings-radio-group{display:flex;flex-direction:column;gap:6px}.settings-radio{display:flex;align-items:flex-start;gap:8px;padding:.6rem;border:1px solid var(--border-color);border-radius:4px;cursor:pointer;transition:border-color .15s}.settings-radio.active{border-color:var(--accent-gold);background:#c5a0590d}.settings-radio input[type=radio]{margin-top:3px;accent-color:var(--accent-gold)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(max-width:480px){.app-container{padding:1rem .75rem}.library-grid{grid-template-columns:1fr}.header{margin-bottom:2rem}.app-title{font-size:1.4rem}.reader-text-view{max-height:35vh;padding:1rem}.player-controls{gap:1rem}.reader-actions{flex-wrap:wrap}.reader-action-btn span{display:none}.chat-messages{max-height:180px}}