@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap";.loading-spinner{display:flex;justify-content:center;align-items:center;padding:40px}.loading-spinner-fullscreen{position:fixed;inset:0;display:flex;justify-content:center;align-items:center;z-index:9999;background:#fff}.loading-spinner-fullscreen.overlay{background:#fffffff2;backdrop-filter:blur(4px)}.loading-spinner-content{display:flex;flex-direction:column;align-items:center;gap:16px}.spinner-icon{color:var(--primary-color, #667eea);animation:spin 1s linear infinite}.spinner-message{font-size:16px;color:var(--text-secondary, #6b7280);font-weight:500;text-align:center}.loading-spinner-content.sm .spinner-message{font-size:14px}.loading-spinner-content.lg .spinner-message{font-size:18px}.loading-spinner-content.xl .spinner-message{font-size:20px}.inline-spinner{display:inline-block;vertical-align:middle;animation:spin 1s linear infinite;color:currentColor}.button-spinner{animation:spin 1s linear infinite;color:currentColor}.skeleton-container{display:flex;flex-direction:column;gap:12px}.skeleton-loader{background:linear-gradient(90deg,#f0f0f0,#e0e0e0 20%,#f0f0f0 40% 100%);background-size:200% 100%;animation:shimmer 1.5s ease-in-out infinite}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@media (prefers-color-scheme: dark){.loading-spinner-fullscreen{background:#1f2937}.loading-spinner-fullscreen.overlay{background:#1f2937f2}.skeleton-loader{background:linear-gradient(90deg,#374151,#4b5563 20%,#374151 40% 100%)}}@media (prefers-reduced-motion: reduce){.spinner-icon,.inline-spinner,.button-spinner{animation:none}.skeleton-loader{animation:none;background:#f0f0f0}}.header-top{background:#fffffffa;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,0,0,.06);padding:0;height:64px;position:fixed!important;top:0!important;left:0!important;right:0!important;z-index:1000!important;transition:all .2s ease;width:100%;transform:translateZ(0);will-change:transform}[data-theme=dark] .header-top{background:#0f172afa;border-bottom-color:#ffffff14}.header-top-content{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:100%;max-width:1400px;margin:0 auto}.logo{display:flex;align-items:center;gap:10px;color:var(--text-primary);font-weight:600;font-size:1.125rem;letter-spacing:-.02em;text-decoration:none;transition:opacity .15s ease}.logo:hover{opacity:.8}.logo h1{margin:0;font-size:1.125rem;font-weight:600}.logo-icon{color:var(--primary-color);width:24px;height:24px;flex-shrink:0}.header-actions{display:flex!important;align-items:center;gap:12px;visibility:visible!important;opacity:1!important}.main-menu-toggle{display:flex!important;align-items:center;justify-content:center;width:40px;height:40px;background:transparent;border:none;color:var(--text-primary);cursor:pointer;border-radius:8px;transition:all .15s ease;visibility:visible!important;opacity:1!important;flex-shrink:0;position:relative}.main-menu-toggle:hover{background:#2563eb14;color:var(--primary-color)}.main-menu-toggle:active{background:#2563eb1f;transform:scale(.96)}.main-dropdown{position:absolute;top:60px;right:20px;width:320px;max-height:calc(100vh - 90px);overflow-y:auto;background:#fff;border-radius:16px;border:1px solid rgba(0,0,0,.06);box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;z-index:1050;animation:dropdownSlideIn .2s cubic-bezier(.16,1,.3,1);transform:translateZ(0)}[data-theme=dark] .main-dropdown{background:var(--surface);border-color:var(--border)}will-change: transform,opacity; } @keyframes dropdownSlideIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.dropdown-header{display:flex;align-items:center;gap:12px;padding:16px;background:var(--surface-light);border-radius:12px 12px 0 0;border-bottom:1px solid var(--border)}.dropdown-avatar{width:40px;height:40px;background:var(--primary-color);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}.dropdown-info{flex:1;min-width:0}.dropdown-name{font-size:.9375rem;font-weight:600;color:var(--text-primary);margin:0 0 2px}.dropdown-email{font-size:.8125rem;color:var(--text-muted);margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dropdown-divider{height:1px;background:var(--border);margin:4px 0}.dropdown-section{padding:4px 0}.dropdown-section-title{font-size:.6875rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin:0;padding:8px 16px 4px}.dropdown-item{width:100%;display:flex;align-items:center;gap:12px;padding:10px 16px;background:none;border:none;color:var(--text-primary);font-size:.875rem;font-weight:500;cursor:pointer;transition:background .15s ease;text-align:left;border-radius:0}.dropdown-item:hover{background:#0000000a}.dropdown-item:active{background:#0000000f}.dropdown-item svg{color:var(--text-muted);flex-shrink:0;width:18px;height:18px}.dropdown-item:hover svg{color:var(--text-secondary)}.dropdown-item.admin-item{background:linear-gradient(90deg,#fefce8,#fef9c3);color:#854d0e;border:1px solid #fde047;border-radius:10px;margin:8px 12px;padding:14px 16px}.dropdown-item.admin-item:hover{background:linear-gradient(90deg,#fef9c3,#fef08a);transform:scale(1.02);box-shadow:0 4px 12px #facc154d}.dropdown-item.admin-item svg{color:#ca8a04}.dropdown-item.signout-item{color:#dc2626;margin-top:4px}.dropdown-item.signout-item:hover{background:linear-gradient(90deg,#fef2f2,#fee2e2);color:#b91c1c}.dropdown-item.signout-item svg{color:#dc2626}.dropdown-item.signout-item:hover svg{color:#b91c1c}.menu-overlay{position:fixed;inset:0;background:#0000004d;z-index:1049;animation:fadeIn .2s ease;pointer-events:auto}.bottom-nav{position:fixed!important;bottom:0!important;left:0!important;right:0!important;background:#fffffff2!important;backdrop-filter:blur(12px)!important;-webkit-backdrop-filter:blur(12px)!important;border-top:1px solid rgba(0,0,0,.08)!important;border-radius:0!important;display:flex!important;visibility:visible!important;justify-content:space-around!important;align-items:center!important;padding:8px 8px calc(8px + env(safe-area-inset-bottom))!important;gap:0!important;z-index:999!important;width:100%!important;max-width:100vw!important;pointer-events:auto!important;transform:translateZ(0)!important;will-change:transform!important;-webkit-backface-visibility:hidden!important;backface-visibility:hidden!important}.bottom-nav-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:6px 12px;background:transparent;border:none;color:var(--text-muted);cursor:pointer;flex:1;max-width:80px;border-radius:8px;transition:color .15s ease;font-size:10px;font-weight:500;-webkit-tap-highlight-color:transparent;position:relative;transform:translateZ(0);will-change:transform;-webkit-backface-visibility:hidden;backface-visibility:hidden}.bottom-nav-btn:nth-child(3){background:var(--primary-color);color:#fff;border-radius:12px;width:52px;height:52px;margin-top:-16px;box-shadow:0 4px 12px #2563eb40;min-width:52px;flex:0 0 auto;padding:0;transform:translateZ(0);transition:all 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h2{font-size:18px}.banner-text p{font-size:13px}.banner-icon{display:none}.section-title{font-size:18px}.quick-action-text h4{font-size:15px}.quick-action-text p{font-size:12px}.reading-goal-card{padding:20px;gap:16px}.goal-circle{width:80px;height:80px}.goal-value{font-size:20px}.goal-info h4{font-size:15px}.goal-info p{font-size:13px}}@media (max-width: 380px){.import-grid{grid-template-columns:repeat(4,1fr);gap:8px}.import-option{padding:16px 8px}.import-icon{font-size:28px}.import-label{font-size:12px}}.quick-tts-modal-overlay{position:fixed;inset:0;background:#00000080;backdrop-filter:blur(4px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .2s ease}.quick-tts-modal{background:#fff;border-radius:20px;padding:24px;max-width:500px;width:100%;box-shadow:0 20px 60px #0000004d;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.quick-tts-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.quick-tts-header h3{margin:0;font-size:20px;font-weight:700;color:#1e293b}.close-button{background:none;border:none;padding:8px;cursor:pointer;color:#64748b;transition:color .2s;border-radius:8px}.close-button:hover{color:#1e293b;background:#f1f5f9}.quick-tts-error{background:#fef2f2;border:1px solid #fecaca;border-radius:12px;padding:12px 16px;margin-bottom:16px;display:flex;justify-content:space-between;align-items:center}.quick-tts-error p{margin:0;color:#dc2626;font-size:14px}.quick-tts-error button{background:none;border:none;color:#dc2626;font-weight:600;cursor:pointer;padding:4px 12px;border-radius:6px}.quick-tts-error button:hover{background:#fee2e2}.quick-tts-textarea{width:100%;border:2px solid #e2e8f0;border-radius:12px;padding:16px;font-size:15px;font-family:inherit;resize:vertical;min-height:150px;margin-bottom:16px;transition:border-color .2s}.quick-tts-textarea:focus{outline:none;border-color:#3b82f6}.quick-tts-actions{display:flex;gap:12px;margin-bottom:16px}.quick-tts-convert-btn{flex:1;background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;border:none;border-radius:12px;padding:14px 20px;font-size:16px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:transform .2s,box-shadow .2s}.quick-tts-convert-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #3b82f666}.quick-tts-convert-btn:disabled{opacity:.6;cursor:not-allowed}.quick-tts-pause-btn{background:#fff;border:2px solid #e2e8f0;color:#64748b;border-radius:12px;padding:14px 20px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s}.quick-tts-pause-btn:hover{border-color:#3b82f6;color:#3b82f6}.quick-tts-hint{margin:0;font-size:14px;color:#64748b;text-align:center}.spin-icon{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}:root{--primary-blue: #2563eb;--dark-blue: #1e40af;--light-blue: #3b82f6;--accent-blue: #60a5fa;--text-dark: #1e293b;--text-light: #64748b;--bg-white: #ffffff;--bg-light: #f8fafc}.landing{width:100%;overflow-x:hidden;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-white)}.landing *{font-family:Inter,sans-serif}.landing h1,.landing h2,.landing h3{font-family:Inter,sans-serif;font-weight:800;color:var(--text-dark)}.landing-nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:#000000d9;backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.1);transition:all .3s ease}.landing-nav-content{max-width:1400px;margin:0 auto;padding:16px 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24px;background:#2563eb;color:#fff;border:none;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #2563eb66}.landing-nav-cta:hover{background:#1d4ed8;transform:translateY(-1px);box-shadow:0 6px 16px #2563eb80}.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:140px 20px 80px;overflow:hidden;background:linear-gradient(135deg,#000,#1a1a2e,#0f172a)}.hero-background{position:absolute;inset:0;z-index:0}.hero-gradient{position:absolute;width:100%;height:100%;background:radial-gradient(circle at 30% 30%,rgba(37,99,235,.15) 0%,transparent 60%),radial-gradient(circle at 70% 70%,rgba(96,165,250,.15) 0%,transparent 60%);animation:gradientPulse 8s ease-in-out infinite}.hero-gradient:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(37,99,235,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(37,99,235,.06) 1px,transparent 1px);background-size:40px 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-3px #0000001a}::-webkit-scrollbar-track{background:var(--surface-light)}::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}button{font-family:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--surface);border-radius:4px}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px;transition:background .2s ease}::-webkit-scrollbar-thumb:hover{background:var(--primary-color)}::selection{background:var(--primary-color);color:#fff}*:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px;border-radius:4px}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{transform:translate(-100%)}to{transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.fade-in{animation:fadeIn .3s ease-out}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{padding:10px 16px;border-radius:8px;border:none;font-size:.875rem;font-weight:500;cursor:pointer;transition:all .15s ease;display:inline-flex;align-items:center;justify-content:center;gap:6px;text-decoration:none;letter-spacing:-.01em}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary-color);color:#fff;box-shadow:0 1px 2px #0000000d}.btn-primary:hover:not(:disabled){background:var(--primary-dark);box-shadow:0 1px 3px #0000001a}.btn-secondary{background:var(--surface);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--surface-hover);border-color:var(--text-muted)}.btn-outline{background:transparent;border:1px solid var(--primary-color);color:var(--primary-color)}.btn-outline:hover:not(:disabled){background:#2563eb0d}.card{background:var(--surface);border-radius:12px;padding:24px;border:1px solid var(--border);box-shadow:0 1px 3px #0000000a;transition:box-shadow .15s ease,border-color .15s ease}.card:hover{box-shadow:0 4px 12px #00000014;border-color:var(--text-muted)}.input{width:100%;padding:10px 14px;border-radius:8px;border:1px solid var(--border);background:var(--background);color:var(--text-primary);font-size:.9375rem;transition:border-color .15s ease,box-shadow .15s ease}.input:focus{border-color:var(--primary-color);background:var(--background);box-shadow:0 0 0 3px #2563eb1f;outline:none}.input::placeholder{color:var(--text-muted)}.textarea{min-height:100px;resize:vertical;font-family:inherit;line-height:1.5}.label{display:block;margin-bottom:6px;color:var(--text-primary);font-weight:500;font-size:.875rem;letter-spacing:-.01em}.error-message{color:var(--error);font-size:14px;margin-top:4px}.success-message{color:var(--success);font-size:14px;margin-top:4px}.spinner{width:40px;height:40px;border:3px solid rgba(37,99,235,.15);border-top-color:var(--primary-color);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-container{display:flex;justify-content:center;align-items:center;min-height:200px}@media (max-width: 768px){.container{padding:0 16px}.btn{padding:10px 20px;font-size:14px}.card{padding:16px}}