:root{--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-tertiary: #e9ecef;--text-primary: #212529;--text-secondary: #6c757d;--text-tertiary: #adb5bd;--accent: #8b5cf6;--accent-hover: #7c3aed;--border: #dee2e6;--shadow: rgba(0, 0, 0, .1);--font-ui: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-serif: "Merriweather", Georgia, serif;--font-sans: "Inter", -apple-system, sans-serif;--font-mono: "Fira Mono", "Courier New", monospace}[data-theme=sepia]{--bg-primary: #f4ecd8;--bg-secondary: #ebe1ca;--bg-tertiary: #dfd5be;--text-primary: #5b4636;--text-secondary: #7d6b58;--text-tertiary: #9d8b78;--accent: #a0826d;--accent-hover: #8b6f5c;--border: #d4c4a8;--shadow: rgba(91, 70, 54, .15)}[data-theme=dark]{--bg-primary: #1a1410;--bg-secondary: #2a2218;--bg-tertiary: #3a3228;--text-primary: #e8dcc8;--text-secondary: #c4b5a0;--text-tertiary: #8b7d6b;--accent: #d4a574;--accent-hover: #e0b685;--border: #3a3228;--shadow: rgba(0, 0, 0, .3)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-ui);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;transition:background-color .3s ease,color .3s ease}#app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:var(--bg-secondary);border-bottom:1px solid var(--border);padding:1rem;position:sticky;top:0;z-index:100;transition:background-color .3s ease}.header-content{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:1rem}.header-content h1{font-size:1.5rem;font-weight:700;flex:1;text-align:center}.back-btn{display:flex;align-items:center;gap:.5rem;background:transparent;border:none;color:var(--text-primary);font-size:.95rem;font-weight:500;cursor:pointer;padding:.5rem;border-radius:.5rem;transition:background-color .2s ease}.back-btn:hover{background:var(--bg-tertiary)}.header-actions{display:flex;align-items:center;gap:.5rem}.icon-btn{background:transparent;border:none;color:var(--text-primary);cursor:pointer;padding:.5rem;border-radius:.5rem;display:flex;align-items:center;justify-content:center;transition:background-color .2s ease}.icon-btn:hover{background:var(--bg-tertiary)}.icon{filter:brightness(0) saturate(100%);opacity:.9}[data-theme=light] .icon{filter:brightness(0) saturate(100%) invert(13%) sepia(7%) saturate(1158%) hue-rotate(169deg) brightness(95%) contrast(89%)}[data-theme=sepia] .icon{filter:brightness(0) saturate(100%) invert(28%) sepia(13%) saturate(1158%) hue-rotate(349deg) brightness(95%) contrast(89%)}[data-theme=dark] .icon{filter:brightness(0) saturate(100%) invert(91%) sepia(9%) saturate(629%) hue-rotate(337deg) brightness(99%) contrast(90%)}#mainContent{flex:1;max-width:1200px;width:100%;margin:0 auto;padding:2rem 1rem}.view{animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.library-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}.book-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:.75rem;padding:1.5rem;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 4px var(--shadow)}.book-card:hover{transform:translateY(-4px);box-shadow:0 8px 16px var(--shadow);border-color:var(--accent)}.book-card h3{font-size:1.25rem;font-weight:600;margin-bottom:.5rem;color:var(--text-primary)}.book-card .book-meta{font-size:.875rem;color:var(--text-secondary);margin-bottom:.75rem}.book-card .book-description{font-size:.9rem;color:var(--text-secondary);line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.book-card .book-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}.book-tag{font-size:.75rem;padding:.25rem .5rem;background:var(--bg-tertiary);border-radius:.25rem;color:var(--text-secondary)}.book-header{margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:2px solid var(--border)}.book-header h2{font-size:2rem;font-weight:700;margin-bottom:.5rem}#bookMeta{font-size:1rem;color:var(--text-secondary);margin-bottom:1rem}#bookDescription{font-size:1rem;color:var(--text-secondary);line-height:1.6}.language-selector{margin-bottom:1.5rem;display:flex;align-items:center;gap:.75rem}.language-selector label{font-weight:500;color:var(--text-secondary)}.language-selector select{padding:.5rem 1rem;border:1px solid var(--border);border-radius:.5rem;background:var(--bg-secondary);color:var(--text-primary);font-size:.95rem;cursor:pointer;transition:all .2s ease}.language-selector select:hover{border-color:var(--accent)}.chapters-list{display:flex;flex-direction:column;gap:.75rem}.chapter-item{background:var(--bg-secondary);border:1px solid var(--border);border-radius:.5rem;padding:1rem 1.25rem;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:1rem}.chapter-item:hover{background:var(--bg-tertiary);border-color:var(--accent);transform:translate(4px)}.chapter-number{font-weight:700;color:var(--accent);font-size:1.1rem;min-width:2.5rem}.chapter-title{font-weight:500;color:var(--text-primary);flex:1}.reader-container{max-width:800px;margin:0 auto}.reader-content{font-family:var(--font-serif);font-size:18px;line-height:1.8;color:var(--text-primary);margin-bottom:3rem}.reader-content h1{font-size:2.5em;font-weight:700;margin:1.5em 0 .75em;line-height:1.2;color:var(--text-primary)}.reader-content h2{font-size:1.75em;font-weight:700;margin:1.5em 0 .75em;line-height:1.3;color:var(--text-primary)}.reader-content h3{font-size:1.35em;font-weight:600;margin:1.25em 0 .5em;color:var(--text-primary)}.reader-content p{margin-bottom:1.25em}.reader-content a{color:var(--accent);text-decoration:none;border-bottom:1px solid var(--accent);transition:opacity .2s ease}.reader-content a:hover{opacity:.7}.reader-content em{font-style:italic}.reader-content strong{font-weight:700}.reader-content blockquote{border-left:4px solid var(--accent);padding-left:1.5rem;margin:1.5rem 0;color:var(--text-secondary);font-style:italic}.reader-content code{background:var(--bg-tertiary);padding:.2em .4em;border-radius:.25rem;font-family:var(--font-mono);font-size:.9em}.reader-content pre{background:var(--bg-tertiary);padding:1rem;border-radius:.5rem;overflow-x:auto;margin:1.5rem 0}.reader-content pre code{background:none;padding:0}.reader-content ul,.reader-content ol{margin:1rem 0 1.5rem 2rem}.reader-content li{margin-bottom:.5rem}.reader-content[data-hide-footnotes=true] sup,.reader-content[data-hide-footnotes=true] [class*=footnote],.reader-content[data-hide-footnotes=true] a[href^="#fn"],.reader-content[data-hide-footnotes=true] a[href^="#footnote"]{display:none}.reader-nav{display:flex;justify-content:space-between;gap:1rem;padding-top:2rem;border-top:2px solid var(--border)}.nav-btn{flex:1;padding:.875rem 1.5rem;background:var(--accent);color:#fff;border:none;border-radius:.5rem;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease}.nav-btn:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 4px 12px var(--shadow)}.nav-btn:disabled{opacity:.4;cursor:not-allowed}.prefs-panel{position:fixed;top:0;right:0;bottom:0;width:100%;max-width:400px;background:var(--bg-primary);border-left:1px solid var(--border);box-shadow:-4px 0 24px var(--shadow);z-index:200;transform:translate(100%);transition:transform .3s ease}.prefs-panel.open{transform:translate(0)}.prefs-content{padding:2rem;height:100%;overflow-y:auto}.prefs-content h3{font-size:1.5rem;font-weight:700;margin-bottom:2rem}.pref-group{margin-bottom:2rem}.pref-group label{display:block;font-weight:600;margin-bottom:.75rem;color:var(--text-primary)}.theme-options{display:flex;gap:.75rem}.theme-btn{flex:1;display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:1rem .5rem;background:var(--bg-secondary);border:2px solid var(--border);border-radius:.5rem;cursor:pointer;transition:all .2s ease;font-size:.875rem;font-weight:500;color:var(--text-primary)}.theme-btn:hover{border-color:var(--accent)}.theme-btn.active{border-color:var(--accent);background:var(--bg-tertiary)}.theme-preview{width:40px;height:40px;border-radius:50%;border:2px solid var(--border)}.theme-preview-light{background:linear-gradient(135deg,#fff 50%,#212529 50%)}.theme-preview-sepia{background:linear-gradient(135deg,#f4ecd8 50%,#5b4636 50%)}.theme-preview-dark{background:linear-gradient(135deg,#1a1410 50%,#e8dcc8 50%)}.font-options{display:flex;gap:.75rem}.font-btn{flex:1;padding:.75rem;background:var(--bg-secondary);border:2px solid 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print{.app-header,.reader-nav,.prefs-panel{display:none}.reader-content{font-size:12pt;color:#000}body{background:#fff}}.modal-overlay.svelte-ddv5ib{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content.svelte-ddv5ib{background:var(--bg-primary);padding:2rem;border-radius:1rem;width:90%;max-width:500px;position:relative;box-shadow:0 4px 20px #0003;text-align:center}.close-btn.svelte-ddv5ib{position:absolute;top:1rem;right:1rem;background:none;border:none;cursor:pointer;color:var(--text-secondary);padding:.5rem;border-radius:50%;transition:background .2s}.close-btn.svelte-ddv5ib:hover{background:var(--bg-secondary);color:var(--text-primary)}h2.svelte-ddv5ib{margin-bottom:1.5rem;color:var(--text-primary)}p.svelte-ddv5ib{color:var(--text-secondary);margin-bottom:2rem;line-height:1.5}.primary-btn.svelte-ddv5ib{background:var(--accent);color:#fff;border:none;padding:.75rem 2rem;border-radius:2rem;font-size:1rem;font-weight:500;cursor:pointer;transition:transform .2s,box-shadow .2s}.primary-btn.svelte-ddv5ib:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00000026}.secondary-btn.svelte-ddv5ib{background:transparent;border:1px solid var(--border);color:var(--text-primary);padding:.5rem 1.5rem;border-radius:2rem;margin-top:1rem;cursor:pointer}.error-message.svelte-ddv5ib{color:#ef4444;background:#ef44441a;padding:.75rem;border-radius:.5rem;margin-bottom:1.5rem}.scanner-container.svelte-ddv5ib{display:flex;flex-direction:column;align-items:center;gap:1rem}.add-book-card.svelte-14ebmqz{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border-style:dashed;background:transparent;cursor:pointer;min-height:200px;transition:all .2s}.add-book-card.svelte-14ebmqz:hover{background:var(--bg-secondary);border-color:var(--accent);transform:translateY(-2px)}.add-icon.svelte-14ebmqz{color:var(--accent);margin-bottom:1rem}.modal-overlay.svelte-1b9ftou{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content.svelte-1b9ftou{background:var(--bg-primary);padding:2rem;border-radius:1rem;width:90%;max-width:400px;position:relative;box-shadow:0 4px 20px #0003;text-align:center}.close-btn.svelte-1b9ftou{position:absolute;top:1rem;right:1rem;background:none;border:none;cursor:pointer;color:var(--text-secondary);padding:.5rem;border-radius:50%;transition:background .2s}.close-btn.svelte-1b9ftou:hover{background:var(--bg-secondary);color:var(--text-primary)}h2.svelte-1b9ftou{margin-bottom:1rem;color:var(--text-primary)}p.svelte-1b9ftou{color:var(--text-secondary);margin-bottom:2rem}.qr-container.svelte-1b9ftou{background:#fff;padding:1rem;border-radius:.5rem;display:inline-block}.header-top.svelte-ny6v9i{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.icon-btn.svelte-ny6v9i{background:none;border:none;cursor:pointer;color:var(--text-secondary);padding:.5rem;border-radius:50%;transition:all .2s;display:flex;align-items:center;justify-content:center;flex-shrink:0}.icon-btn.svelte-ny6v9i:hover{background:var(--bg-secondary);color:var(--text-primary)}