:root{--font-primary: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-display: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--bg-app: #121c22;--bg-reader: #18252d;--bg-card: #1f303a;--bg-overlay: rgba(14, 22, 27, .88);--text-main: #f3f7f9;--text-muted: #9bb0bc;--text-highlight: #38bdf8;--accent-primary: #38bdf8;--accent-primary-hover: #0ea5e9;--accent-teal: #2dd4bf;--accent-secondary: #f43f5e;--accent-warm: #fbbf24;--border-subtle: rgba(255, 255, 255, .1);--border-focus: #38bdf8;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .35);--shadow-md: 0 8px 24px rgba(0, 0, 0, .5);--shadow-lg: 0 16px 40px rgba(0, 0, 0, .65);--shadow-book: 0 20px 50px rgba(0, 0, 0, .75), 0 0 80px rgba(56, 189, 248, .08);--radius-sm: 8px;--radius-md: 14px;--radius-lg: 24px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-normal: .25s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html,body,#root{width:100%;height:100%;overflow:hidden;background-color:var(--bg-app);color:var(--text-main);font-family:var(--font-primary);line-height:1.5;user-select:none;-webkit-user-select:none}.app-container{display:flex;flex-direction:column;width:100%;height:100%;position:relative;background:radial-gradient(circle at 50% 25%,#1e313b,#121c22 65%,#0a1014)}.reader-header{display:flex;align-items:center;justify-content:space-between;padding:10px 18px;background:#121c22bf;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border-subtle);z-index:25;gap:12px}.reader-header-left{display:flex;align-items:center;gap:12px;min-width:0}.btn-header-toc{display:inline-flex;align-items:center;gap:6px;background:#ffffff14;border:1px solid var(--border-subtle);color:var(--text-main);padding:6px 12px;border-radius:var(--radius-full);font-size:.85rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast);flex-shrink:0}.btn-header-toc:hover{background:#38bdf826;border-color:var(--accent-primary);color:var(--accent-primary)}.reader-title{font-family:var(--font-display);font-size:1.05rem;font-weight:600;letter-spacing:-.01em;color:var(--text-main);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reader-header-badges{display:flex;align-items:center;gap:8px;flex-shrink:0}.badge{font-size:.75rem;font-weight:600;padding:3px 9px;border-radius:var(--radius-full);background:#38bdf826;color:var(--accent-primary);border:1px solid rgba(56,189,248,.3);transition:all var(--transition-fast);white-space:nowrap}.badge-section{background:#2dd4bf26;color:var(--accent-teal);border-color:#2dd4bf59;max-width:140px;overflow:hidden;text-overflow:ellipsis}.badge-speech{background:#fbbf2426;color:var(--accent-warm);border-color:#fbbf2459;display:inline-flex;align-items:center}.badge-speech.active-pulse{background:#fbbf244d;animation:pulse-glow 1.5s infinite}@keyframes pulse-glow{0%,to{opacity:1;transform:scale(1)}50%{opacity:.8;transform:scale(1.04)}}.reader-stage{flex:1;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;padding:8px 16px}.flipbook-wrapper{position:relative;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-book);border-radius:var(--radius-sm);background:#fff;max-width:100%;max-height:100%}.flipbook-wrapper.portrait-book{border-radius:4px}.flipbook-container{display:flex;align-items:center;justify-content:center;margin:auto}.page-item{background-color:#fff;width:100%;height:100%;overflow:hidden;position:relative;display:flex;flex-direction:column;justify-content:center;align-items:center}.page-image{width:100%;height:100%;object-fit:contain;display:block;pointer-events:none}.touch-nav-area{position:absolute;top:0;bottom:0;width:12%;min-width:48px;max-width:100px;display:flex;align-items:center;justify-content:center;z-index:15;cursor:pointer;opacity:0;transition:opacity var(--transition-fast)}.touch-nav-area:hover{opacity:1}.touch-nav-area.left{left:0;background:linear-gradient(to right,rgba(0,0,0,.4),transparent)}.touch-nav-area.right{right:0;background:linear-gradient(to left,rgba(0,0,0,.4),transparent)}.touch-indicator-icon{background:#000000a6;color:#fff;border-radius:var(--radius-full);width:44px;height:44px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);border:1px solid rgba(255,255,255,.2)}.reader-footer{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:8px 16px;background:#121c22cc;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--border-subtle);z-index:25;gap:6px}.audio-progress-bar-container{width:100%;max-width:580px;height:4px;background:#ffffff1a;border-radius:var(--radius-full);overflow:hidden;margin-bottom:2px}.audio-progress-bar-fill{height:100%;background:linear-gradient(90deg,#38bdf8,#2dd4bf);transition:width .1s linear}.controls-group{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;max-width:650px;flex-wrap:wrap}.control-btn{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:var(--radius-full);background:var(--bg-card);color:var(--text-main);border:1px solid var(--border-subtle);cursor:pointer;transition:all var(--transition-fast);outline:none}.control-btn:hover:not(:disabled){background:#283e4a;color:var(--accent-primary);border-color:var(--accent-primary);transform:translateY(-1px)}.control-btn:focus-visible{box-shadow:0 0 0 3px #38bdf866;border-color:var(--border-focus)}.control-btn:disabled{opacity:.35;cursor:not-allowed;transform:none}.control-btn.primary{width:48px;height:48px;background:var(--accent-primary);color:#0f172a;border:none;box-shadow:0 4px 14px #38bdf859}.control-btn.primary:hover:not(:disabled){background:var(--accent-primary-hover);color:#000;transform:scale(1.05)}.control-btn.primary.playing{background:#2dd4bf;box-shadow:0 4px 14px #2dd4bf66}.control-btn.active{background:#38bdf840;color:var(--accent-primary);border-color:var(--accent-primary)}.page-indicator{font-family:var(--font-display);font-size:.95rem;font-weight:600;color:var(--text-main);background:#ffffff14;padding:6px 14px;border-radius:var(--radius-full);border:1px solid var(--border-subtle);min-width:84px;text-align:center;cursor:pointer;transition:all var(--transition-fast)}.page-indicator:hover{background:#38bdf826;border-color:var(--accent-primary);color:var(--accent-primary)}.cover-screen,.finished-screen{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;background-color:var(--bg-overlay);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);z-index:30;padding:16px;overflow-y:auto}.cover-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:28px 24px;max-width:480px;width:100%;text-align:center;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;align-items:center;gap:16px;animation:modal-appear .3s ease-out}@keyframes modal-appear{0%{opacity:0;transform:translateY(16px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.cover-badge-row{display:flex;align-items:center;gap:8px}.badge-series{background:#2dd4bf26;color:var(--accent-teal);border-color:#2dd4bf4d;display:inline-flex;align-items:center}.badge-pages{background:#ffffff14;color:var(--text-muted);border-color:var(--border-subtle)}.cover-thumbnail-wrapper{width:140px;height:198px;border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--border-subtle)}.cover-thumbnail{width:100%;height:100%;object-fit:cover}.cover-info{display:flex;flex-direction:column;gap:8px}.cover-title{font-family:var(--font-display);font-size:1.45rem;font-weight:700;color:var(--text-main);line-height:1.25}.cover-author-box{display:inline-flex;align-items:center;justify-content:center;gap:6px;color:var(--text-highlight);font-size:.88rem;font-weight:500}.cover-author-cred{color:var(--text-muted);font-weight:400}.cover-description{font-size:.88rem;color:var(--text-muted);line-height:1.45}.cover-actions-row{display:flex;flex-direction:column;gap:10px;width:100%}.btn-start{display:inline-flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:12px 20px;border-radius:var(--radius-full);background:linear-gradient(135deg,#38bdf8,#0284c7);color:#fff;font-size:1rem;font-weight:600;border:none;cursor:pointer;box-shadow:0 4px 16px #38bdf866;transition:all var(--transition-fast)}.btn-start:hover{transform:translateY(-2px);box-shadow:0 6px 20px #38bdf88c}.btn-download-cover{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:10px 18px;border-radius:var(--radius-full);background:#ffffff0f;border:1px solid var(--border-subtle);color:var(--text-main);font-size:.9rem;font-weight:500;text-decoration:none;cursor:pointer;transition:all var(--transition-fast)}.btn-download-cover:hover{background:#ffffff1f;border-color:var(--text-muted)}.btn-share{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:10px 18px;border-radius:var(--radius-full);background:#2dd4bf1f;border:1px solid rgba(45,212,191,.3);color:var(--accent-teal);font-size:.9rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.btn-share:hover{background:#2dd4bf38}.finished-actions-grid{display:flex;flex-direction:column;gap:10px;width:100%}.toc-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000a6;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:40;display:flex;justify-content:flex-start;animation:fade-in .2s ease-out}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.toc-drawer{width:100%;max-width:380px;height:100%;background:var(--bg-card);border-right:1px solid var(--border-subtle);display:flex;flex-direction:column;box-shadow:var(--shadow-lg);animation:slide-in .25s ease-out}@keyframes slide-in{0%{transform:translate(-100%)}to{transform:translate(0)}}.toc-header{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--border-subtle)}.toc-title-box{display:flex;align-items:center;gap:8px;color:var(--text-main)}.toc-icon{color:var(--accent-primary)}.toc-title{font-family:var(--font-display);font-size:1.1rem;font-weight:600}.toc-close-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;transition:color var(--transition-fast)}.toc-close-btn:hover{color:var(--text-main)}.toc-tabs{display:flex;padding:8px 14px;gap:8px;background:#00000026;border-bottom:1px solid var(--border-subtle)}.toc-tab-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:6px 10px;border-radius:var(--radius-sm);border:none;background:transparent;color:var(--text-muted);font-size:.85rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.toc-tab-btn.active{background:var(--bg-app);color:var(--accent-primary);font-weight:600}.toc-content{flex:1;overflow-y:auto;padding:12px}.toc-section-group{margin-bottom:16px}.toc-section-title{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:6px;padding-left:8px}.toc-items-list{list-style:none;display:flex;flex-direction:column;gap:4px}.toc-item-btn{width:100%;display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--radius-sm);border:none;background:transparent;color:var(--text-main);text-align:left;cursor:pointer;transition:all var(--transition-fast)}.toc-item-btn:hover{background:#ffffff0f;color:var(--accent-primary)}.toc-item-btn.current{background:#38bdf826;color:var(--accent-primary);font-weight:600}.toc-item-page-badge{font-size:.75rem;font-weight:700;background:#0000004d;padding:2px 6px;border-radius:4px;color:var(--text-muted);flex-shrink:0}.toc-item-btn.current .toc-item-page-badge{background:var(--accent-primary);color:#0f172a}.toc-item-label{flex:1;font-size:.88rem;line-height:1.3}.toc-item-current-dot{width:6px;height:6px;border-radius:var(--radius-full);background:var(--accent-primary)}.toc-thumbnails-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.toc-thumb-card{display:flex;flex-direction:column;background:#00000040;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);overflow:hidden;cursor:pointer;transition:all var(--transition-fast);padding:4px;text-align:center}.toc-thumb-card:hover{border-color:var(--accent-primary);transform:translateY(-2px)}.toc-thumb-card.current{border-color:var(--accent-primary);box-shadow:0 0 0 2px #38bdf866}.toc-thumb-image-wrap{width:100%;aspect-ratio:420 / 595;background:#fff;border-radius:4px;overflow:hidden}.toc-thumb-image-wrap img{width:100%;height:100%;object-fit:contain}.toc-thumb-footer{display:flex;flex-direction:column;padding:4px}.toc-thumb-num{font-size:.75rem;font-weight:700;color:var(--accent-primary)}.toc-thumb-title-text{font-size:.7rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.zoom-modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000d9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);z-index:50;display:flex;align-items:center;justify-content:center;padding:20px}.zoom-modal-content{position:relative;max-width:90vw;max-height:90vh;display:flex;flex-direction:column;align-items:center;background:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:12px}.zoom-close-btn{position:absolute;top:-16px;right:-16px;width:38px;height:38px;border-radius:var(--radius-full);background:var(--bg-card);border:1px solid var(--border-subtle);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow-md)}.zoom-image{max-width:85vw;max-height:80vh;object-fit:contain;border-radius:4px}.zoom-caption{font-size:.82rem;font-weight:600;color:#334155;margin-top:8px;text-align:center}@media (max-width: 640px){.reader-header{padding:8px 12px}.reader-title{font-size:.9rem;max-width:160px}.header-toc-label{display:none}.control-btn{width:38px;height:38px}.control-btn.primary{width:44px;height:44px}.controls-group{gap:8px}.cover-card{padding:20px 16px}}