.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:2rem;font-weight:700;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)}.core-stats{display:flex;justify-content:center;gap:24px;margin-bottom:32px;flex-wrap:wrap}.core-stat{background:white;border-radius:60px;padding:12px 24px;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:44px;height:44px;background:linear-gradient(135deg, #e0e7ff, #f0f4ff);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#667eea;font-size:1.2rem}.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-tabs{display:flex;gap:16px;margin-bottom:32px;justify-content:center}.extractor-tab{background:transparent;border:none;padding:12px 24px;cursor:pointer;transition:all 0.3s;border-radius:60px;text-align:center;min-width:140px}.extractor-tab i{font-size:1.2rem;color:var(--gray-400);margin-bottom:6px;display:block}.extractor-tab span{display:block;font-weight:600;color:var(--gray-600);margin-bottom:2px}.extractor-tab small{font-size:0.65rem;color:var(--gray-400)}.extractor-tab.active{background:linear-gradient(135deg, #667eea, #764ba2);box-shadow:0 8px 25px rgba(102,126,234,0.3)}.extractor-tab.active i,.extractor-tab.active span,.extractor-tab.active small{color:white}.upload-area{background:linear-gradient(135deg, #f8fafc, #fff);border:2px dashed var(--gray-300);border-radius:24px;padding:40px;text-align:center;cursor:pointer;transition:all 0.3s;margin-bottom:24px}.upload-area:hover{border-color:#667eea;background:var(--gray-50)}.upload-area i{font-size:48px;color:var(--gray-400);margin-bottom:16px}.upload-hint{display:block;font-size:0.7rem;color:var(--gray-400);margin:8px 0 16px}.video-preview{background:var(--gray-50);border-radius:20px;padding:16px;margin-bottom:24px}.preview-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.remove-btn{background:transparent;border:none;font-size:1.2rem;cursor:pointer;color:var(--gray-400)}.preview-video{width:100%;max-height:300px;border-radius:16px}.param-card{background:var(--gray-50);border-radius:20px;overflow:hidden;margin-bottom:24px}.param-header{background:linear-gradient(135deg, #f0f4ff, #fff);padding:14px 20px;display:flex;align-items:center;gap:10px;font-weight:600;border-bottom:1px solid var(--gray-200)}.param-header i{color:#667eea}.param-body{padding:20px}.param-row{display:flex;align-items:center;gap:20px;margin-bottom:16px;flex-wrap:wrap}.param-row label{width:80px;font-weight:500;color:var(--gray-700)}.param-input-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.param-input-group input[type="number"]{width:100px;padding:8px 12px;border:1px solid var(--gray-300);border-radius:12px}.param-input-group input[type="range"]{width:200px}.unit{color:var(--gray-500);font-size:0.8rem}.range-value{min-width:70px;color:#667eea;font-weight:500}.ffmpeg-status{background:var(--gray-50);border-radius:16px;padding:12px 20px;margin-bottom:20px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}.status-indicator{width:12px;height:12px;border-radius:50%;background:#ef4444;transition:all 0.3s}.status-indicator.loaded{background:#10b981;box-shadow:0 0 8px #10b981}.btn-secondary-sm{background:var(--gray-200);border:none;padding:6px 16px;border-radius:30px;cursor:pointer;font-size:0.8rem}.progress-area{background:var(--gray-50);border-radius:16px;padding:16px;margin-bottom:24px}.progress-bar{height:8px;background:var(--gray-200);border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg, #667eea, #764ba2);width:0%;transition:width 0.3s}.progress-text{text-align:center;font-size:0.8rem;margin-top:8px;color:var(--gray-500)}.action-buttons{display:flex;justify-content:center;gap:16px;margin-bottom:24px;flex-wrap:wrap}.extract-btn{background:linear-gradient(135deg, #667eea, #764ba2);padding:12px 32px;font-size:1rem;border-radius:50px}.extract-btn:disabled{opacity:0.5;cursor:not-allowed}.btn-outline{background:transparent;border:1px solid var(--gray-300);padding:10px 24px;border-radius:50px;font-weight:500;cursor:pointer;transition:all 0.3s}.btn-outline:hover{background:var(--gray-100);border-color:#667eea;color:#667eea}.result-area{background:white;border-radius:24px;overflow:hidden;border:1px solid var(--gray-200)}.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-title{display:flex;align-items:center;gap:10px;font-weight:600}.result-badge{background:linear-gradient(135deg, #667eea, #764ba2);color:white;padding:2px 10px;border-radius:30px;font-size:0.7rem}.result-actions{display:flex;gap:12px}.action-btn{background:var(--gray-100);border:none;padding:6px 14px;border-radius:30px;font-size:0.8rem;cursor:pointer;transition:all 0.2s}.action-btn:hover{background:#667eea;color:white}.frames-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(200px, 1fr));gap:16px;padding:20px;max-height:500px;overflow-y:auto}.frame-card{background:var(--gray-50);border-radius:16px;overflow:hidden;transition:all 0.3s;position:relative}.frame-card:hover{transform:translateY(-4px);box-shadow:0 8px 25px rgba(0,0,0,0.1)}.frame-card img{width:100%;height:auto;cursor:pointer}.frame-info{padding:10px;display:flex;justify-content:space-between;align-items:center;font-size:0.7rem;color:var(--gray-500)}.frame-download{background:transparent;border:none;cursor:pointer;color:var(--gray-500);padding:4px 8px;border-radius:8px}.frame-download:hover{background:var(--gray-200);color:#667eea}.info-footer{margin-top:24px;background:var(--gray-50);border-radius:20px;padding:20px}.info-footer-header{display:flex;align-items:center;gap:8px;font-weight:600;margin-bottom:16px}.info-footer-steps{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px}.step-item{display:flex;gap:12px;align-items:flex-start}.step-number{width:32px;height:32px;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:0.85rem;margin-bottom:4px}.step-content p{font-size:0.7rem;color:var(--gray-500)}@media (max-width:768px){.extractor-tabs{flex-direction:column;align-items:center}.frames-grid{grid-template-columns:repeat(2, 1fr)}.info-footer-steps{grid-template-columns:1fr;gap:16px}.param-row{flex-direction:column;align-items:flex-start;gap:8px}.core-stats{gap:12px}.core-stat{padding:8px 16px}}@media (max-width:480px){.frames-grid{grid-template-columns:1fr}}