@import"https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@400;500;600&display=swap";.offline-indicator{position:fixed;top:0;left:0;right:0;z-index:10000;padding:12px 20px;text-align:center;font-weight:500;animation:slideDown .3s ease-out;box-shadow:0 2px 8px #00000026}.offline-indicator.offline{background:linear-gradient(135deg,#ff6b6b,#ee5a52);color:#fff}.offline-indicator.online{background:linear-gradient(135deg,#51cf66,#37b24d);color:#fff}.offline-indicator-content{display:flex;align-items:center;justify-content:center;gap:10px}.status-icon{font-size:18px;font-weight:700}@keyframes slideDown{0%{transform:translateY(-100%);opacity:0}to{transform:translateY(0);opacity:1}}@media(max-width:768px){.offline-indicator{padding:10px 15px;font-size:14px}}.update-notification{position:fixed;bottom:20px;right:20px;z-index:10000;max-width:400px;animation:slideInUp .4s ease-out}.update-notification-content{background:#1a1a1a;color:#fff;border-radius:12px;padding:16px 20px;box-shadow:0 10px 40px #0006;display:flex;flex-direction:column;gap:12px;border:1px solid rgba(255,255,255,.1)}.update-text h3{margin:0 0 4px;font-size:16px;font-weight:600;color:gold}.update-text p{margin:0;font-size:13.5px;opacity:.9;line-height:1.4}.update-actions{display:flex;gap:12px}.btn-update,.btn-dismiss{flex:1;padding:10px 20px;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s ease;font-size:14px}.btn-update{background:#fff;color:#667eea}.btn-update:hover{transform:translateY(-2px);box-shadow:0 4px 12px #ffffff4d}.btn-dismiss{background:#fff3;color:#fff;border:1px solid rgba(255,255,255,.3)}.btn-dismiss:hover{background:#ffffff4d}@keyframes slideInUp{0%{transform:translateY(100px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(max-width:768px){.update-notification{bottom:10px;right:10px;left:10px;max-width:none}.update-notification-content{padding:16px}.update-text h3{font-size:16px}.update-text p{font-size:13px}.update-actions{flex-direction:column}.btn-update,.btn-dismiss{width:100%}}.pwa-install-overlay{position:fixed;inset:0;background:#000000b3;z-index:10000;display:flex;align-items:center;justify-content:center;padding:20px;animation:pwaFadeIn .3s ease}@keyframes pwaFadeIn{0%{opacity:0}to{opacity:1}}.pwa-install-modal{background:#fff;border-radius:20px;padding:32px 24px;max-width:400px;width:100%;text-align:center;position:relative;animation:pwaSlideUp .4s ease;box-shadow:0 20px 60px #0000004d;border:1px solid #e0e0e0;color:#333}@keyframes pwaSlideUp{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}.pwa-close-btn{position:absolute;top:16px;right:16px;background:none;border:none;color:#666;cursor:pointer;padding:8px;border-radius:50%;transition:all .2s;display:flex;align-items:center;justify-content:center}.pwa-close-btn:hover{background:#0000001a;color:#333}.pwa-icon{font-size:64px;margin-bottom:16px;animation:pwaBounce 1s ease infinite}@keyframes pwaBounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.pwa-title{color:#1a1a1a;font-size:1.5rem;font-weight:700;margin:0 0 12px}.pwa-description{color:#555;font-size:1rem;margin-bottom:20px;line-height:1.5}.pwa-benefits{list-style:none;padding:0;margin:0 0 24px;text-align:left;display:inline-block}.pwa-benefits li{color:#333;font-size:.95rem;margin-bottom:10px;display:flex;align-items:center;gap:8px}.pwa-install-btn{background:linear-gradient(135deg,#007bff,#0056b3);color:#fff;border:none;padding:16px 32px;border-radius:12px;font-size:1.1rem;font-weight:600;cursor:pointer;width:100%;display:flex;align-items:center;justify-content:center;gap:10px;transition:all .2s;box-shadow:0 4px 15px #007bff66}.pwa-install-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #007bff80}.pwa-install-btn:active:not(:disabled){transform:translateY(0)}.pwa-install-btn:disabled{opacity:.6;cursor:not-allowed}.pwa-ios-instructions{background:#f5f5f5;border-radius:12px;padding:16px;margin-bottom:20px}.pwa-ios-text{color:#333;font-size:1rem;margin:0;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:6px}.pwa-inline-icon{display:inline-block;vertical-align:middle;margin:0 4px;color:#007bff}.pwa-highlight{background:#007bff26;padding:2px 8px;border-radius:6px;font-weight:600;color:#0056b3}.pwa-arrow{font-size:24px;margin-top:8px;animation:pwaArrowBounce 1s ease infinite}@keyframes pwaArrowBounce{0%,to{transform:translateY(0)}50%{transform:translateY(5px)}}.pwa-footer{display:flex;flex-direction:column;gap:12px;margin-top:20px}.pwa-later-btn{background:transparent;color:#666;border:1px solid #dddddd;padding:12px;border-radius:8px;font-size:.9rem;cursor:pointer;transition:all .2s}.pwa-later-btn:hover{background:#f5f5f5;color:#333}.pwa-never-btn{background:transparent;color:#999;border:none;padding:8px;font-size:.85rem;cursor:pointer;transition:color .2s}.pwa-never-btn:hover{color:#666}.pwa-desktop-msg{background:#fff3cd;border:1px solid #ffeeba;border-radius:8px;padding:12px;margin-bottom:16px;color:#856404;font-size:.9rem}@media(max-width:480px){.pwa-install-modal{margin:10px;padding:24px 20px}.pwa-title{font-size:1.25rem}.pwa-benefits li{font-size:.9rem}}@media(max-height:500px)and (orientation:landscape){.pwa-install-overlay{align-items:flex-start;padding-top:10px;overflow-y:auto}.pwa-install-modal{margin:10px auto}}:root{--brand-brown: #754c24;--brand-brown-dark: #5d3a1a;--brand-brown-light: #8b5d32;--brand-gold: #d4af37;--brand-gold-light: #e8d48b;--brand-cream: #f5eeda;--brand-warm-bg: #faf6ef;--bg-main: #faf8f4;--bg-card: rgba(255, 255, 255, .85);--bg-glass: rgba(250, 248, 244, .7);--text-heading: #3d2b1f;--text-body: #5d4e42;--text-muted: #9e8e80;--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--radius-xl: 32px;--radius-pill: 100px;--shadow-soft: 0 10px 40px -10px rgba(117, 76, 36, .08);--shadow-glass: 0 8px 32px 0 rgba(117, 76, 36, .05);--shadow-hover: 0 20px 40px -5px rgba(117, 76, 36, .15);--shadow-glow: 0 0 40px rgba(212, 175, 55, .2);--transition-bouncy: .5s cubic-bezier(.175, .885, .32, 1.275);--transition-smooth: .3s cubic-bezier(.4, 0, .2, 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rgba(212,175,55,.3);box-shadow:var(--shadow-glass)}.hero-title{font-size:clamp(2.2rem,8vw,5rem);font-weight:800;color:var(--text-heading);line-height:1.1;margin-bottom:24px;letter-spacing:-1px}.highlight-text{background:linear-gradient(135deg,var(--brand-brown),var(--brand-gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:inline-block}.hero-subtitle{font-size:clamp(1.1rem,2vw,1.35rem);max-width:580px;margin:0 0 40px;line-height:1.6;color:var(--text-body)}.hero-actions{display:flex;gap:16px;justify-content:flex-start;flex-wrap:wrap;align-items:center}.btn-hero-action{padding:16px 32px;border-radius:var(--radius-pill);font-weight:700;font-family:Outfit,sans-serif;display:flex;align-items:center;justify-content:center;gap:10px;border:none;cursor:pointer;transition:all var(--transition-smooth);font-size:1.05rem}.btn-hero-action.webapp{background:var(--brand-brown);color:#fff;box-shadow:0 10px 30px #754c2433}.btn-hero-action.webapp:hover{background:var(--brand-brown-dark);transform:translateY(-3px);box-shadow:0 15px 40px #754c244d}.btn-hero-action.install{background:var(--brand-gold);color:var(--brand-brown-dark);box-shadow:0 10px 30px #d4af3733}.btn-hero-action.install:hover{background:var(--brand-gold-light);transform:translateY(-3px);box-shadow:0 15px 40px #d4af374d}.btn-hero-action.apk{background:#fff;color:var(--brand-brown);border:2px solid rgba(117,76,36,.15);box-shadow:var(--shadow-soft)}.btn-hero-action.apk:hover{border-color:var(--brand-brown);transform:translateY(-2px);box-shadow:var(--shadow-hover)}.coming-soon-wrapper{display:flex;gap:10px}.btn-hero-action.disabled{background:#f1ede6;color:#b5a899;border:1px solid #e2ddd5;cursor:not-allowed;box-shadow:none}.btn-hero-action.disabled:hover{transform:none;border-color:#e2ddd5;box-shadow:none}.hero-phone-mockup{flex:1;display:flex;flex-direction:column;align-items:center;position:relative;max-width:340px;perspective:1200px;margin:0 auto}.phone-frame{width:100%;max-width:320px;aspect-ratio:320 / 650;background-color:#1a1a1a;border-radius:40px;padding:3.5%;box-shadow:0 30px 60px #0000004d,inset 0 0 5px #fff3,inset 0 0 0 4px #262626;position:relative;border:1px solid #404040;margin-bottom:20px}.phone-notch{position:absolute;top:1.8%;left:50%;transform:translate(-50%);width:38%;height:4%;background-color:#1a1a1a;border-bottom-left-radius:12px;border-bottom-right-radius:12px;z-index:20}.phone-screen{width:100%;height:100%;background-color:var(--bg-main);border-radius:30px;overflow:hidden;position:relative;box-shadow:inset 0 0 2px #00000080}.phone-screenshot{width:100%;height:125%;object-fit:cover;object-position:top 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var(--transition-smooth)}.faq-item:hover{border-color:#754c241f;box-shadow:var(--shadow-soft)}.faq-item.open{border-color:#d4af374d;box-shadow:0 8px 24px #754c2414}.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;padding:20px 24px;background:none;border:none;cursor:pointer;text-align:left;font-family:Outfit,sans-serif;font-size:1.05rem;font-weight:600;color:var(--text-heading);gap:16px;transition:color var(--transition-smooth)}.faq-question:hover{color:var(--brand-brown)}.faq-chevron{color:var(--brand-brown);flex-shrink:0;transition:transform .3s ease}.faq-chevron.rotated{transform:rotate(180deg)}.faq-answer{overflow:hidden}.faq-answer p{padding:0 24px 20px;color:var(--text-body);line-height:1.7;font-size:.95rem}@media(max-width:968px){.hero-split{flex-direction:column;text-align:center;gap:60px;margin:0;width:100%}.hero-content{text-align:center;margin:0 auto;width:100%;max-width:100%;padding:0 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0;font-size:1rem;line-height:1.5;background:transparent}.filter-tabs{display:flex;flex-wrap:nowrap;overflow-x:auto;padding-bottom:5px}.filter-tabs::-webkit-scrollbar{display:none}.loading-spinner{width:40px;height:40px;border:3px solid var(--border-color);border-top:3px solid var(--primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}:root{--danger-light: #ffebee}.chip-container{display:flex;flex-wrap:wrap;gap:8px}.chip{padding:6px 12px;background:var(--chip-bg);border:1px solid var(--border-color);border-radius:20px;cursor:pointer;font-size:.85em;transition:all .2s}.chip.active{background:var(--primary);color:#fff;border-color:var(--primary)}.badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:.8em;font-weight:600;background:var(--chip-bg);color:var(--text-secondary)}.btn-sm{padding:4px 12px;font-size:.85em}.btn-link{background:none;border:none;color:var(--primary);cursor:pointer;text-decoration:underline}.btn-link:hover{opacity:.8}progress{border-radius:4px;height:8px}progress::-webkit-progress-bar{background-color:var(--chip-bg);border-radius:4px}progress::-webkit-progress-value{background-color:var(--primary);border-radius:4px}.df-pro-container{height:100vh;display:flex;flex-direction:column;background-color:#f8fafc}.df-header{background-color:#0f172a;color:#fff;padding:12px 24px;display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 4px #0000001a}.df-layout{display:flex;flex:1;overflow:hidden}.df-sidebar{width:320px;background:#fff;border-right:1px solid #e2e8f0;display:flex;flex-direction:column}.sidebar-search-box{padding:16px;background:#f8fafc;border-bottom:1px solid #e2e8f0}.sidebar-list{flex:1;overflow-y:auto;padding:12px}.source-group{background:#fff;border:1px solid #f1f5f9;border-radius:8px;margin-bottom:8px;transition:all .2s}.source-header{display:flex;align-items:center;padding:10px 12px;cursor:pointer;gap:10px}.source-header:hover{background-color:#f8fafc}.source-header span{flex:1;font-size:.85rem;color:#334155}.df-main{flex:1;padding:24px;overflow-y:auto}.control-strip{background:#fff;padding:20px;border-radius:12px;border:1px solid #e2e8f0;margin-bottom:24px}.duplicate-group-card{background:#fff;border-radius:12px;border:1px solid #e2e8f0;margin-bottom:20px;overflow:hidden}.group-header-label{background:#f1f5f9;padding:8px 16px;font-size:.75rem;font-weight:700;text-transform:uppercase;color:#64748b;border-bottom:1px solid #e2e8f0}.q-row{padding:16px;border-bottom:1px solid #f1f5f9;position:relative;transition:background .2s}.q-row:last-child{border-bottom:none}.status-badge-df{position:absolute;top:12px;right:40px;font-size:.65rem;font-weight:800;padding:2px 8px;border-radius:4px}.badge-red{background:#fee2e2;color:#dc2626}.badge-green{background:#dcfce7;color:#16a34a}.q-row.marked-delete{background-color:#fff5f5;border-left:4px solid #ef4444}.q-row.marked-unique{background-color:#f0fdf4;border-left:4px solid #22c55e}.df-footer{background:#fff;border-top:1px solid #e2e8f0;padding:16px 32px;display:flex;justify-content:space-between;align-items:center;box-shadow:0 -4px 10px #00000008}.osce-screen{display:flex;flex-direction:column;height:100%;width:100%;background-color:var(--background-color);position:relative;overflow:hidden}.osce-header{flex-shrink:0;padding:16px 20px;background-color:var(--card-background);border-bottom:1px solid var(--border-color);z-index:20;display:flex;flex-direction:column;gap:10px}.osce-content-scroll{flex:1;overflow-y:auto;padding:20px 20px 120px}.osce-footer{flex-shrink:0;padding:16px 20px;background-color:var(--card-background);border-top:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center;box-shadow:0 -4px 12px #0000000d;z-index:30;padding-bottom:calc(16px + env(safe-area-inset-bottom))}.saved-sessions-container{margin-bottom:24px;padding:16px;background-color:var(--card-background);border-radius:12px;border:1px solid var(--border-color);box-shadow:0 2px 8px #00000008}.saved-sessions-list{display:flex;gap:12px;overflow-x:auto;padding-bottom:8px}.saved-sessions-list::-webkit-scrollbar{display:none}.saved-session-card{min-width:240px;background-color:var(--background-color);padding:12px;border-radius:8px;border:1px solid var(--border-color);display:flex;flex-direction:column;justify-content:space-between;height:120px;transition:transform .2s;flex-shrink:0}.saved-session-card:active{transform:scale(.98)}.session-name{font-weight:700;font-size:.95rem;color:var(--text-color-dark);margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.session-meta{font-size:.75rem;color:var(--secondary-color)}.osce-tab-group{display:flex;gap:8px;background-color:var(--chip-bg);padding:4px;border-radius:10px;margin-bottom:16px}.osce-tab-btn{flex:1;padding:10px;border:none;border-radius:8px;font-weight:600;font-size:.95rem;cursor:pointer;transition:all .2s ease;color:var(--secondary-color);background:transparent}.osce-tab-btn.active{background-color:var(--card-background);color:var(--primary-color);box-shadow:0 2px 4px #0000001a}.osce-player-grid{display:flex;flex-direction:column;gap:20px;height:100%}@media(min-width:900px){.osce-player-grid{flex-direction:row}.media-pane{flex:1;height:100%}.questions-pane{flex:1;height:100%;overflow-y:auto}}.media-pane{background-color:#000;border-radius:8px;overflow:hidden;display:flex;flex-direction:column}.main-stage{flex:1;display:flex;align-items:center;justify-content:center;min-height:300px;background-color:#000}.thumbnail-strip{height:60px;background-color:#222;display:flex;align-items:center;gap:8px;padding:0 10px;overflow-x:auto}.thumb-btn{background:#444;border:1px solid #555;color:#ccc;padding:4px 10px;border-radius:4px;font-size:.8rem;cursor:pointer;white-space:nowrap}.thumb-btn.active{background-color:var(--primary-color);color:#fff;border-color:var(--primary-color)}.question-card{background-color:var(--card-background);border:1px solid var(--border-color);border-radius:8px;padding:16px;margin-bottom:16px;transition:border .3s}.question-card.correct{border:2px solid var(--success-color)}.question-card.incorrect{border:2px solid var(--error-color)}.question-card.skipped{border:2px solid #f59e0b}.q-input{width:100%;padding:12px;border:1px solid var(--border-color);border-radius:6px;font-family:inherit;font-size:1rem;background-color:var(--background-color);resize:vertical;color:var(--text-color-dark)}.feedback-container{margin-top:15px;padding:12px;background-color:var(--chip-bg);border-radius:6px;animation:slideDown .3s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.empty-state{text-align:center;padding:40px 20px;color:var(--secondary-color);font-style:italic;display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%}