.tool-header{text-align:center;margin-bottom:40px}.header-badge{display:flex;justify-content:center;gap:12px;margin-bottom:24px;flex-wrap:wrap}.badge{background:linear-gradient(135deg, #667eea, #764ba2);color:white;padding:6px 18px;border-radius:40px;font-size:0.75rem;font-weight:500;box-shadow:0 2px 8px rgba(0,0,0,0.1)}.tool-header h1{font-size:2.2rem;font-weight:800;background:linear-gradient(135deg, #1e293b, #667eea);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:1rem}.core-stats{display:flex;justify-content:center;gap:24px;margin-bottom:32px;flex-wrap:wrap}.core-stat{background:white;border-radius:60px;padding:16px 28px;display:flex;align-items:center;gap:16px;box-shadow:0 4px 15px rgba(0,0,0,0.05);border:1px solid var(--gray-200)}.core-stat-icon{width:48px;height:48px;background:linear-gradient(135deg, #e0e7ff, #f0f4ff);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#667eea;font-size:1.3rem}.core-stat-info{text-align:left}.core-stat-value{display:block;font-size:1.3rem;font-weight:700;color:var(--gray-800)}.core-stat-label{font-size:0.7rem;color:var(--gray-500)}.recorder-options{background:var(--gray-50);border-radius:24px;padding:24px;margin-bottom:24px;display:flex;flex-wrap:wrap;gap:32px}.option-group{flex:1;min-width:500px}.option-group label{display:block;font-size:0.75rem;font-weight:600;color:var(--gray-500);margin-bottom:12px}.source-buttons{display:flex;gap:12px;flex-wrap:wrap}.source-btn{background:white;border:1px solid var(--gray-200);padding:10px 20px;border-radius:60px;cursor:pointer;transition:all 0.3s;display:flex;align-items:center;gap:8px;font-size:0.85rem}.source-btn i{font-size:1rem}.source-btn.active{background:linear-gradient(135deg, #667eea, #764ba2);border-color:#667eea;color:white}.audio-options{display:flex;gap:20px;flex-wrap:wrap}.checkbox-label{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:0.85rem}.checkbox-label input{display:none}.checkmark{width:18px;height:18px;border:2px solid var(--gray-400);border-radius:4px;display:inline-block;position:relative;transition:all 0.2s}.checkbox-label input:checked+.checkmark{background:#667eea;border-color:#667eea}.checkbox-label input:checked+.checkmark::after{content:'\f00c';font-family:'Font Awesome 6 Free';font-weight:900;font-size:10px;color:white;position:absolute;top:50%;left:50%;transform:translate(-50%, -50%)}.quality-select{padding:10px 16px;border:1px solid var(--gray-200);border-radius:40px;background:white;width:100%;max-width:150px;font-size:0.85rem}.preview-area{background:var(--gray-100);border-radius:24px;overflow:hidden;margin-bottom:24px}.preview-header{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;background:white;border-bottom:1px solid var(--gray-200)}.preview-status{display:flex;align-items:center;gap:8px;font-size:0.75rem;color:var(--gray-500)}.status-dot{width:8px;height:8px;background-color:#ef4444;border-radius:50%;display:inline-block;animation:pulse 1.5s infinite}.status-dot.active{background-color:#10b981}@keyframes pulse{0%{opacity:1;transform:scale(1)}50%{opacity:0.5;transform:scale(1.2)}100%{opacity:1;transform:scale(1)}}.preview-container{position:relative;min-height:360px;background:#1a1a2e;display:flex;align-items:center;justify-content:center}#previewVideo{width:100%;max-height:400px;object-fit:contain}.preview-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.7);display:flex;flex-direction:column;align-items:center;justify-content:center;color:white;text-align:center}.preview-overlay i{font-size:48px;margin-bottom:16px;opacity:0.8}.preview-overlay p{margin-bottom:8px;font-size:1rem}.preview-overlay span{font-size:0.75rem;opacity:0.6}.control-bar{display:flex;justify-content:space-between;align-items:center;background:white;border-radius:80px;padding:8px 16px 8px 24px;margin-bottom:24px;border:1px solid var(--gray-200);box-shadow:0 4px 15px rgba(0,0,0,0.05)}.timer{font-family:monospace;font-size:1.5rem;font-weight:600;color:var(--gray-800)}.control-buttons{display:flex;gap:12px}.record-btn{display:flex;align-items:center;gap:8px;padding:10px 24px;border-radius:60px;font-weight:500;cursor:pointer;transition:all 0.3s;border:none}.record-btn.start{background:linear-gradient(135deg, #ef4444, #dc2626);color:white}.record-btn.start:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(239,68,68,0.3)}.record-btn.stop{background:linear-gradient(135deg, #3b82f6, #2563eb);color:white}.record-btn.pause,.record-btn.resume{background:var(--gray-200);color:var(--gray-700)}.record-btn:disabled{opacity:0.5;cursor:not-allowed;transform:none}.record-result{background:white;border-radius:24px;overflow:hidden;margin-top:24px;border:1px solid var(--gray-200);animation:fadeIn 0.3s ease}.result-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:linear-gradient(135deg, #f8fafc, #fff);border-bottom:1px solid var(--gray-200)}.result-actions{display:flex;gap:12px}.action-btn{background:var(--gray-100);border:none;padding:8px 20px;border-radius:40px;font-size:0.8rem;cursor:pointer;transition:all 0.2s;display:inline-flex;align-items:center;gap:6px}.action-btn:hover{background:var(--primary-color);color:white}.recorded-video{width:100%;max-height:400px;background:#1a1a2e}.video-info{display:flex;gap:24px;padding:16px 20px;background:var(--gray-50);font-size:0.8rem;color:var(--gray-600)}.info-footer{margin-top:32px;background:var(--gray-50);border-radius:24px;padding:24px}.info-footer-header{display:flex;align-items:center;gap:10px;margin-bottom:20px;font-weight:600;color:var(--gray-700)}.info-footer-steps{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px}.step-item{display:flex;gap:14px;align-items:flex-start}.step-number{width:36px;height:36px;background:linear-gradient(135deg, #667eea, #764ba2);color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}.step-content h4{font-size:0.9rem;margin-bottom:4px}.step-content p{font-size:0.75rem;color:var(--gray-500)}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:900px){.recorder-options{flex-direction:column;gap:20px}.control-bar{flex-direction:column;gap:16px;border-radius:24px;padding:16px}.control-buttons{flex-wrap:wrap;justify-content:center}.info-footer-steps{grid-template-columns:repeat(2, 1fr)}.source-buttons{flex-direction:column}.source-btn{justify-content:center}}@media (max-width:480px){.info-footer-steps{grid-template-columns:1fr}.core-stats{gap:12px}.core-stat{padding:12px 20px}.video-info{flex-direction:column;gap:8px}}