.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 0, #764ba2 100%);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}.ffmpeg-status{background:var(--gray-50);border-radius:16px;padding:16px 20px;margin-bottom:24px;border-left:4px solid #667eea}.status-loading,.status-success,.status-error{display:flex;align-items:center;gap:12px}.status-loading i{color:#667eea}.status-success i{color:#10b981}.status-error i{color:#ef4444}.status-progress{display:flex;align-items:center;gap:12px;margin-top:8px}.progress-bar-small{flex:1;height:6px;background:var(--gray-200);border-radius:3px;overflow:hidden}.progress-fill-small{height:100%;background:linear-gradient(90deg, #667eea, #764ba2);transition:width 0.3s}.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-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)}.dedupe-tabs{display:flex;gap:16px;margin-bottom:32px;justify-content:center}.dedupe-tab{background:transparent;border:none;padding:14px 28px;cursor:pointer;transition:all 0.3s;border-radius:20px;text-align:center;min-width:160px}.dedupe-tab i{font-size:1.3rem;color:var(--gray-400);margin-bottom:8px;display:block}.dedupe-tab span{display:block;font-weight:600;color:var(--gray-600);margin-bottom:4px}.dedupe-tab small{font-size:0.65rem;color:var(--gray-400)}.dedupe-tab.active{background:linear-gradient(135deg, #667eea, #764ba2);box-shadow:0 8px 25px rgba(102,126,234,0.3)}.dedupe-tab.active i,.dedupe-tab.active span,.dedupe-tab.active small{color:white}.upload-section{margin-bottom:28px}.upload-area{border:2px dashed var(--gray-300);border-radius:24px;padding:48px;text-align:center;cursor:pointer;transition:all 0.3s;background:var(--gray-50)}.upload-area:hover{border-color:#667eea;background:#f8fafc}.upload-icon i{font-size:48px;color:#667eea;margin-bottom:16px}.upload-text{font-size:1rem;color:var(--gray-600);margin-bottom:8px}.upload-hint{font-size:0.7rem;color:var(--gray-400);margin-bottom:20px}.file-info{background:var(--gray-50);border-radius:20px;padding:16px;display:flex;align-items:center;gap:16px;animation:fadeIn 0.3s ease}.file-icon i{font-size:32px;color:#667eea}.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-500)}.options-section{background:var(--gray-50);border-radius:24px;padding:24px;margin-bottom:28px}.options-section h4{margin-bottom:20px;font-size:1rem;display:flex;align-items:center;gap:8px}.options-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:16px;margin-bottom:24px}.option-card{background:white;border-radius:16px;padding:16px;border:1px solid var(--gray-200);transition:all 0.2s}.option-card:hover{border-color:#667eea;box-shadow:0 4px 12px rgba(0,0,0,0.05)}.option-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;font-weight:500}.option-desc{font-size:0.7rem;color:var(--gray-500)}.switch{position:relative;display:inline-block;width:44px;height:24px}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#ccc;transition:0.3s}.slider:before{position:absolute;content:"";height:18px;width:18px;left:3px;bottom:3px;background-color:white;transition:0.3s}input:checked+.slider{background-color:#667eea}input:checked+.slider:before{transform:translateX(20px)}.slider.round{border-radius:34px}.slider.round:before{border-radius:50%}.advanced-settings{border-top:1px solid var(--gray-200);padding-top:20px;display:flex;flex-wrap:wrap;gap:24px}.setting-row{display:flex;align-items:center;gap:12px}.setting-row label{width:100px;font-size:0.8rem;color:var(--gray-600)}.input-sm{width:80px;padding:6px 10px;border:1px solid var(--gray-300);border-radius:8px}.strength-slider{display:flex;align-items:center;gap:12px}.strength-slider input{width:150px}.basic-cards{display:grid;grid-template-columns:repeat(2, 1fr);gap:16px}.basic-card{background:white;border-radius:16px;padding:16px;display:flex;align-items:center;gap:16px;border:1px solid var(--gray-200)}.basic-icon{width:48px;height:48px;background:linear-gradient(135deg, #e0e7ff, #f0f4ff);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:#667eea}.basic-info{flex:1}.basic-info h4{font-size:0.9rem;margin-bottom:4px}.basic-info p{font-size:0.7rem;color:var(--gray-500)}.batch-upload-area{border:2px dashed var(--gray-300);border-radius:20px;padding:40px;text-align:center;cursor:pointer;margin-bottom:20px}.batch-file-list{max-height:200px;overflow-y:auto}.batch-file-item{display:flex;align-items:center;gap:12px;padding:10px;background:white;border-radius:12px;margin-bottom:8px}.batch-settings{display:flex;gap:24px;margin-top:16px;padding-top:16px;border-top:1px solid var(--gray-200)}.action-buttons{display:flex;justify-content:center;gap:16px;margin-bottom:28px}.process-btn{background:linear-gradient(135deg, #667eea, #764ba2);padding:14px 36px;font-size:1rem;border-radius:50px}.process-btn:disabled{opacity:0.5;cursor:not-allowed}.progress-section{background:var(--gray-50);border-radius:20px;padding:24px;margin-bottom:28px}.progress-header{display:flex;justify-content:space-between;margin-bottom:12px}.progress-bar{height:8px;background:var(--gray-200);border-radius:4px;overflow:hidden;margin-bottom:20px}.progress-fill{height:100%;background:linear-gradient(90deg, #667eea, #764ba2);transition:width 0.3s}.progress-steps{display:flex;justify-content:space-between}.step{font-size:0.7rem;color:var(--gray-500)}.step.completed{color:#10b981}.step.active{color:#667eea;font-weight:500}.result-section{background:white;border-radius:24px;overflow:hidden;border:1px solid var(--gray-200);margin-bottom:28px}.result-header{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;background:linear-gradient(135deg, #f8fafc, #fff);border-bottom:1px solid var(--gray-200)}.result-title{display:flex;align-items:center;gap:10px;color:#10b981;font-weight:600}.result-stats{display:grid;grid-template-columns:repeat(3, 1fr);gap:16px;padding:20px 24px;background:var(--gray-50);border-bottom:1px solid var(--gray-200)}.stat-item{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.stat-label{font-size:0.7rem;color:var(--gray-500)}.stat-value{font-size:0.85rem;font-weight:600;color:var(--gray-800)}.copy-stat{background:transparent;border:none;cursor:pointer;color:var(--gray-400)}.video-preview{padding:20px 24px}.preview-title{font-weight:500;margin-bottom:12px}.info-grid{display:grid;grid-template-columns:repeat(3, 1fr);gap:12px;padding:16px}.info-item{display:flex;align-items:center;gap:8px;font-size:0.8rem;color:var(--gray-600)}.info-note{background:#fef3c7;border-radius:12px;padding:12px 16px;font-size:0.75rem;color:#92400e;margin-top:16px}@media (max-width:1024px){.options-grid{grid-template-columns:repeat(2, 1fr)}.info-grid{grid-template-columns:repeat(2, 1fr)}}@media (max-width:768px){.options-grid{grid-template-columns:1fr}.basic-cards{grid-template-columns:1fr}.result-stats{grid-template-columns:1fr}.dedupe-tab{min-width:auto;padding:10px 16px}.info-grid{grid-template-columns:1fr}.advanced-settings{flex-direction:column}}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}