.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, #8b5cf6, #6d28d9);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, #8b5cf6);-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, #ede9fe, #f5f3ff);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#8b5cf6;font-size:1.3rem}.core-stat-info{text-align:left}.core-stat-value{display:block;font-size:1.2rem;font-weight:700;color:var(--gray-800)}.core-stat-label{font-size:0.7rem;color:var(--gray-500)}.extractor-container{display:grid;grid-template-columns:1fr 360px;gap:24px;margin-bottom:24px}.upload-card{background:linear-gradient(135deg, #fff, #f8fafc);border-radius:28px;padding:28px;box-shadow:0 4px 20px rgba(0,0,0,0.05);border:1px solid var(--gray-200)}.upload-area{border:2px dashed var(--gray-300);border-radius:24px;padding:48px 24px;text-align:center;cursor:pointer;transition:all 0.3s}.upload-area:hover{border-color:#8b5cf6;background:var(--gray-50)}.upload-icon i{font-size:4rem;color:var(--gray-300);margin-bottom:16px}.upload-title{font-weight:600;margin-bottom:8px;color:var(--gray-700)}.upload-hint{font-size:0.75rem;color:var(--gray-400);margin-bottom:20px}.file-info{display:flex;align-items:center;gap:16px;padding:16px;background:var(--gray-50);border-radius:20px;margin-top:16px}.file-icon i{font-size:2rem;color:#8b5cf6}.file-details{flex:1}.file-name{font-weight:600;margin-bottom:4px}.file-meta{display:flex;gap:16px;font-size:0.7rem;color:var(--gray-400)}.remove-file{background:transparent;border:none;padding:8px;cursor:pointer;color:var(--gray-400);border-radius:50%;transition:all 0.2s}.remove-file:hover{background:var(--gray-200);color:#ef4444}.video-preview{margin-top:16px}.video-preview video{width:100%;border-radius:16px;max-height:200px}.settings-card{background:linear-gradient(135deg, #fff, #f8fafc);border-radius:28px;padding:24px;box-shadow:0 4px 20px rgba(0,0,0,0.05);border:1px solid var(--gray-200)}.settings-header{display:flex;align-items:center;gap:10px;font-size:1rem;font-weight:600;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--gray-200)}.settings-header i{color:#8b5cf6}.setting-group{margin-bottom:24px}.setting-group label{display:block;font-size:0.75rem;font-weight:600;color:var(--gray-500);margin-bottom:12px}.format-buttons,.quality-buttons,.channel-buttons{display:flex;gap:12px;flex-wrap:wrap}.format-btn,.quality-btn,.channel-btn{background:var(--gray-100);border:1px solid var(--gray-200);padding:10px 18px;border-radius:40px;font-size:0.8rem;cursor:pointer;transition:all 0.2s}.format-btn i{margin-right:6px}.format-btn.active,.quality-btn.active,.channel-btn.active{background:linear-gradient(135deg, #8b5cf6, #6d28d9);color:white;border-color:#8b5cf6}.extract-btn{width:100%;background:linear-gradient(135deg, #8b5cf6, #6d28d9);border:none;padding:14px;border-radius:60px;color:white;font-weight:600;font-size:1rem;cursor:pointer;transition:all 0.3s}.extract-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px rgba(139,92,246,0.3)}.extract-btn:disabled{opacity:0.5;cursor:not-allowed}.progress-area{background:var(--gray-50);border-radius:20px;padding:20px;margin-bottom:24px}.progress-header{display:flex;justify-content:space-between;margin-bottom:12px;font-size:0.85rem}.progress-bar{height:8px;background:var(--gray-200);border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg, #8b5cf6, #6d28d9);width:0%;transition:width 0.3s;border-radius:4px}.result-area{background:linear-gradient(135deg, #f0fdf4, #dcfce7);border-radius:20px;padding:20px;margin-bottom:24px;border:1px solid #bbf7d0}.result-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid #bbf7d0}.result-title{display:flex;align-items:center;gap:8px;color:#166534;font-weight:600}.result-actions{display:flex;gap:12px}.result-btn{background:white;border:1px solid #bbf7d0;padding:6px 16px;border-radius:30px;cursor:pointer;transition:all 0.2s}.result-btn:hover{background:#166534;color:white;border-color:#166534}.audio-preview{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.audio-info{display:flex;align-items:center;gap:12px;background:white;padding:12px 20px;border-radius:60px}.audio-info i{font-size:1.5rem;color:#8b5cf6}.audio-name{font-weight:600;font-size:0.85rem}.audio-size{font-size:0.7rem;color:var(--gray-400)}.audio-preview audio{flex:1;min-width:200px}.info-footer{margin-top:24px;background:var(--gray-50);border-radius:28px;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:#8b5cf6;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)}@media (max-width:900px){.extractor-container{grid-template-columns:1fr}.info-footer-steps{grid-template-columns:repeat(2, 1fr)}.core-stats{gap:12px}.core-stat{padding:12px 20px}}@media (max-width:480px){.info-footer-steps{grid-template-columns:1fr}.audio-preview{flex-direction:column}.format-buttons,.quality-buttons{gap:8px}.format-btn,.quality-btn{padding:6px 12px;font-size:0.7rem}}