.video-workspace{display:grid;grid-template-columns:380px 1fr;gap:24px;margin-bottom:24px}.ffmpeg-status{margin-bottom:20px}.status-card{background:linear-gradient(135deg, #1a1a2e, #16213e);border-radius:16px;padding:16px 24px;display:flex;align-items:center;gap:16px;color:white}.status-card i{font-size:28px;color:#10b981}.status-card span{flex:1;font-size:0.9rem}.progress-bar-mini{width:200px;height:4px;background:rgba(255,255,255,0.2);border-radius:2px;overflow:hidden}.progress-fill-mini{height:100%;width:0%;background:#10b981;transition:width 0.3s}.video-source-panel,.video-settings-panel{background:white;border-radius:20px;overflow:hidden;border:1px solid var(--gray-200);box-shadow:0 4px 15px rgba(0,0,0,0.03)}.panel-header{padding:16px 20px;background:linear-gradient(135deg, #f8fafc, #fff);border-bottom:1px solid var(--gray-200);font-weight:600;display:flex;align-items:center;gap:10px}.panel-header i{color:var(--primary-color)}.source-section{padding:20px;border-bottom:1px solid var(--gray-100)}.section-title{font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.badge-primary{background:var(--primary-color);color:white;padding:2px 10px;border-radius:20px;font-size:0.7rem}.badge-secondary{background:#8b5cf6;color:white;padding:2px 10px;border-radius:20px;font-size:0.7rem}.btn-add{background:transparent;border:1px solid var(--gray-300);padding:6px 14px;border-radius:30px;font-size:0.75rem;cursor:pointer;margin-left:auto;transition:all 0.2s}.btn-add:hover{background:var(--primary-color);border-color:var(--primary-color);color:white}.video-upload-area{border:2px dashed var(--gray-300);border-radius:16px;transition:all 0.3s}.upload-placeholder{text-align:center;padding:40px 20px;cursor:pointer}.upload-placeholder i{font-size:48px;color:var(--gray-400);margin-bottom:12px}.upload-placeholder p{margin-bottom:8px;font-weight:500}.upload-placeholder span{font-size:0.7rem;color:var(--gray-400)}.video-info{padding:16px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}.video-preview{width:120px;height:90px;border-radius:8px;background:#1a1a2e}.video-details{flex:1;display:flex;flex-direction:column;gap:4px;font-size:0.7rem;color:var(--gray-600)}.remove-btn{background:transparent;border:none;color:var(--gray-400);cursor:pointer;padding:8px;border-radius:8px;transition:all 0.2s}.remove-btn:hover{background:#fee2e2;color:#ef4444}.overlay-list{max-height:280px;overflow-y:auto}.overlay-item{display:flex;align-items:center;gap:12px;padding:12px;background:var(--gray-50);border-radius:12px;margin-bottom:10px;cursor:pointer;transition:all 0.2s;border:2px solid transparent}.overlay-item:hover{background:var(--gray-100);transform:translateX(4px)}.overlay-item.active{border-color:var(--primary-color);background:#eff6ff}.overlay-thumb{width:60px;height:45px;background:#1a1a2e;border-radius:6px;overflow:hidden}.overlay-thumb video,.overlay-thumb img{width:100%;height:100%;object-fit:cover}.overlay-info{flex:1}.overlay-name{font-weight:500;font-size:0.75rem;margin-bottom:2px;word-break:break-all}.overlay-meta{font-size:0.6rem;color:var(--gray-500)}.overlay-remove{background:transparent;border:none;color:var(--gray-400);cursor:pointer;padding:6px;border-radius:6px}.overlay-remove:hover{color:#ef4444}.empty-tip{text-align:center;padding:40px 20px;color:var(--gray-400)}.empty-tip i{font-size:36px;margin-bottom:12px}.preview-section{padding:20px;border-bottom:1px solid var(--gray-200)}.preview-container{background:#1a1a2e;border-radius:12px;min-height:200px;display:flex;align-items:center;justify-content:center;position:relative}.preview-canvas{width:100%;max-height:220px;border-radius:8px;display:none}.preview-placeholder{text-align:center;color:var(--gray-500);padding:40px;flex-direction:column;align-items:center;justify-content:center}.preview-placeholder i{font-size:48px;margin-bottom:12px}.overlay-settings{padding:20px;border-bottom:1px solid var(--gray-200)}.settings-placeholder{text-align:center;padding:30px;color:var(--gray-400)}.settings-placeholder i{font-size:36px;margin-bottom:12px}.setting-group{margin-bottom:20px}.setting-label{display:flex;justify-content:space-between;font-size:0.75rem;margin-bottom:8px;color:var(--gray-600)}.setting-label span:first-child{font-weight:500}.setting-slider{width:100%}.output-section{padding:20px;border-bottom:1px solid var(--gray-200)}.output-options{display:flex;flex-direction:column;gap:12px}.option-row{display:flex;align-items:center;gap:12px}.option-row label{width:90px;font-size:0.75rem;color:var(--gray-600)}.select-sm{padding:6px 12px;border:1px solid var(--gray-300);border-radius:8px;background:white;flex:1}.progress-area{margin:16px 20px;padding:16px;background:var(--gray-50);border-radius:16px}.progress-header{display:flex;justify-content:space-between;font-size:0.8rem;margin-bottom:8px}.progress-bar{height:6px;background:var(--gray-200);border-radius:3px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg, var(--primary-color), var(--primary-dark));width:0%;transition:width 0.3s}.progress-status{font-size:0.7rem;color:var(--gray-500);margin-top:8px;text-align:center}.action-buttons{display:flex;gap:12px;padding:20px}.export-btn{flex:2;padding:12px;font-size:0.9rem}.btn-outline{flex:1;background:transparent;border:1px solid var(--gray-300);border-radius:12px;cursor:pointer;transition:all 0.2s;padding:12px}.btn-outline:hover{background:var(--gray-100);border-color:var(--primary-color)}.info-footer{margin-top:32px;background:linear-gradient(135deg, #f8fafc, #fff);border-radius:24px;padding:28px 32px;border:1px solid var(--gray-200);box-shadow:0 4px 20px rgba(0,0,0,0.03)}.info-footer-header{display:flex;align-items:center;gap:12px;margin-bottom:24px;padding-bottom:16px;border-bottom:2px solid var(--gray-100)}.info-footer-header i{font-size:1.4rem;color:var(--primary-color);background:linear-gradient(135deg, #e0e7ff, #f0f4ff);padding:10px;border-radius:16px}.info-footer-header span{font-size:1.1rem;font-weight:700;color:var(--gray-800);background:linear-gradient(135deg, #1e293b, #3b82f6);-webkit-background-clip:text;background-clip:text;color:transparent}.info-footer-steps{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px}.step-item{display:flex;gap:16px;align-items:flex-start;background:white;padding:16px 20px;border-radius:20px;transition:all 0.3s ease;border:1px solid var(--gray-100);position:relative;overflow:hidden}.step-item::before{content:'';position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(135deg, var(--primary-color), var(--primary-dark));opacity:0;transition:opacity 0.3s ease}.step-item:hover{transform:translateY(-4px);box-shadow:0 12px 25px -10px rgba(0,0,0,0.1);border-color:var(--primary-light)}.step-item:hover::before{opacity:1}.step-number{width:44px;height:44px;background:linear-gradient(135deg, var(--primary-color), var(--primary-dark));color:white;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.2rem;flex-shrink:0;box-shadow:0 4px 12px rgba(59,130,246,0.3);transition:transform 0.3s ease}.step-item:hover .step-number{transform:scale(1.05)}.step-content{flex:1}.step-content h4{font-size:1rem;font-weight:700;margin-bottom:6px;color:var(--gray-800)}.step-content p{font-size:0.8rem;color:var(--gray-500);line-height:1.5}.info-tips{margin-top:24px;padding:16px 20px;background:#fef3c7;border-radius:16px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.info-tips i{font-size:1.2rem;color:#d97706}.info-tips span{flex:1;font-size:0.8rem;color:#92400e}.info-tips a{color:#d97706;text-decoration:underline;cursor:pointer}.feature-tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;padding-top:20px;border-top:1px solid var(--gray-200)}.feature-tag{background:var(--gray-100);padding:6px 14px;border-radius:30px;font-size:0.7rem;color:var(--gray-600);display:inline-flex;align-items:center;gap:6px;transition:all 0.2s}.feature-tag i{color:var(--primary-color);font-size:0.7rem}.feature-tag:hover{background:var(--primary-color);color:white}.feature-tag:hover i{color:white}@media (max-width:1024px){.info-footer-steps{grid-template-columns:repeat(2, 1fr);gap:16px}}@media (max-width:768px){.info-footer{padding:20px}.info-footer-steps{grid-template-columns:1fr}.step-item{padding:14px 16px}.step-number{width:38px;height:38px;font-size:1rem}.step-content h4{font-size:0.9rem}.step-content p{font-size:0.75rem}.info-tips{flex-direction:column;align-items:flex-start}.feature-tags{justify-content:center}}@media (max-width:900px){.video-workspace{grid-template-columns:1fr}.status-card{flex-wrap:wrap}.progress-bar-mini{width:100%}}@media (max-width:480px){.video-info{flex-direction:column;align-items:flex-start}.option-row{flex-wrap:wrap}.action-buttons{flex-direction:column}}