:root{--font-primary: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-display: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--bg-app: #0f141c;--bg-reader: #161d27;--bg-card: #1e2634;--bg-overlay: rgba(15, 20, 28, .85);--text-main: #f1f5f9;--text-muted: #94a3b8;--text-highlight: #38bdf8;--accent-primary: #38bdf8;--accent-primary-hover: #0ea5e9;--accent-secondary: #f43f5e;--accent-gold: #fbbf24;--border-subtle: rgba(255, 255, 255, .08);--border-focus: #38bdf8;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 8px 24px rgba(0, 0, 0, .45);--shadow-lg: 0 16px 40px rgba(0, 0, 0, .6);--shadow-book: 0 20px 50px rgba(0, 0, 0, .7), 0 0 100px 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% 20%,#1e293b,#0f172a 60%,#090d16)}.reader-header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:#0f172a99;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-subtle);z-index:20}.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}.badge{font-size:.75rem;font-weight:600;padding:3px 8px;border-radius:var(--radius-full);background:#38bdf826;color:var(--accent-primary);border:1px solid rgba(56,189,248,.3);transition:all var(--transition-fast)}.badge.badge-muted{background:#f43f5e26;color:var(--accent-secondary);border-color:#f43f5e4d}.reader-stage{flex:1;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;padding:16px}.flipbook-wrapper{position:relative;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-book);border-radius:var(--radius-sm);background:transparent;max-width:100%;max-height:100%}.flipbook-container{display:block;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}.reader-footer{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:12px 20px;background:#0f172ab3;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--border-subtle);z-index:20;gap:8px}.controls-group{display:flex;align-items:center;justify-content:center;gap:16px;width:100%;max-width:600px}.control-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;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:#2b3648;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:52px;height:52px;background:var(--accent-primary);color:#0f172a;border:none;box-shadow:0 4px 14px #38bdf866}.control-btn.primary:hover:not(:disabled){background:var(--accent-primary-hover);color:#000;transform:scale(1.04)}.control-btn.muted{border-color:#f43f5e66;background:#f43f5e1a}.page-indicator{font-family:var(--font-display);font-size:.95rem;font-weight:600;color:var(--text-main);background:#ffffff0f;padding:6px 14px;border-radius:var(--radius-full);border:1px solid var(--border-subtle);min-width:80px;text-align:center}.audio-progress-bar-container{width:100%;max-width:400px;height:4px;background:#ffffff1a;border-radius:var(--radius-full);overflow:hidden;position:relative}.audio-progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--accent-primary),#60a5fa);border-radius:var(--radius-full);transition:width .1s linear}.cover-screen,.finished-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;width:100%;height:100%;padding:24px;position:absolute;top:0;left:0;background:radial-gradient(circle at 50% 30%,#1e293b,#090d16 85%);z-index:30;animation:fadeIn .4s ease}.cover-card{background:#1e293bb3;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);padding:32px 24px;max-width:460px;width:100%;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;align-items:center;gap:20px}.cover-thumbnail-wrapper{width:180px;height:250px;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-md);border:2px solid rgba(255,255,255,.15);position:relative;background:#1e293b}.cover-thumbnail{width:100%;height:100%;object-fit:cover}.cover-title{font-family:var(--font-display);font-size:1.5rem;font-weight:700;line-height:1.25;color:#fff}.cover-description{font-size:.9rem;color:var(--text-muted);line-height:1.4}.btn-start{display:inline-flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:16px 28px;background:linear-gradient(135deg,#38bdf8,#2563eb);color:#fff;font-family:var(--font-display);font-size:1.1rem;font-weight:700;border:none;border-radius:var(--radius-full);cursor:pointer;box-shadow:0 8px 20px #38bdf866;transition:all var(--transition-normal);outline:none}.btn-start:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 12px 28px #38bdf880}.btn-start:focus-visible{box-shadow:0 0 0 4px #38bdf880}.touch-nav-area{position:absolute;top:0;bottom:0;width:25%;z-index:10;cursor:pointer;display:flex;align-items:center;opacity:0;transition:opacity var(--transition-fast)}.touch-nav-area.left{left:0;justify-content:flex-start;padding-left:16px}.touch-nav-area.right{right:0;justify-content:flex-end;padding-right:16px}.touch-nav-area:hover{opacity:1}.touch-indicator-icon{background:#0f172ab3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:var(--radius-full);padding:12px;color:var(--text-main);border:1px solid var(--border-subtle)}@keyframes fadeIn{0%{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}@media (max-width: 640px){.reader-header{padding:8px 12px}.reader-title{font-size:.95rem}.reader-stage{padding:8px 4px}.cover-card{padding:24px 16px}.cover-thumbnail-wrapper{width:140px;height:196px}.cover-title{font-size:1.25rem}.controls-group{gap:8px}.control-btn{width:40px;height:40px}.control-btn.primary{width:48px;height:48px}.page-indicator{font-size:.85rem;padding:4px 10px;min-width:65px}}@media (max-height: 500px){.reader-header{padding:4px 12px}.reader-title{font-size:.85rem}.badge{font-size:.65rem;padding:2px 6px}.reader-stage{padding:2px 4px}.reader-footer{padding:4px 12px;gap:4px}.audio-progress-bar-container{height:3px}.controls-group{gap:8px}.control-btn{width:34px;height:34px}.control-btn.primary{width:38px;height:38px}.page-indicator{font-size:.8rem;padding:2px 8px;min-width:55px}}