.tool-header{text-align:center;margin-bottom:32px}.header-badge{display:flex;justify-content:center;gap:12px;margin-bottom:20px;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}.tool-header h1{font-size:2rem;font-weight:800;background:linear-gradient(135deg, #1e293b, #667eea);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:8px}.tool-header p{color:var(--gray-500)}.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:#f5f3ff}.upload-area i{font-size:48px;color:#667eea;margin-bottom:16px}.upload-hint{display:block;font-size:0.7rem;color:var(--gray-400);margin-top:8px}.video-info{background:var(--gray-50);border-radius:20px;padding:16px 20px;margin-bottom:24px;display:grid;grid-template-columns:repeat(4, 1fr);gap:16px}.info-row{display:flex;align-items:center;gap:10px}.info-label{font-size:0.75rem;color:var(--gray-500)}.info-value{font-weight:600;color:var(--gray-800)}.video-gif-container{display:grid;grid-template-columns:1fr 320px;gap:24px;margin-bottom:24px}.preview-section{background:var(--gray-50);border-radius:20px;overflow:hidden}.section-header{padding:14px 20px;background:white;border-bottom:1px solid var(--gray-200);font-weight:600;display:flex;align-items:center;gap:8px}.video-container{padding:20px;min-height:280px;display:flex;align-items:center;justify-content:center}.preview-video{width:100%;max-height:300px;border-radius:16px;background:#000}.video-placeholder{position:absolute;text-align:center;color:var(--gray-400)}.video-placeholder i{font-size:48px;margin-bottom:12px}.progress-container{padding:0 20px 20px}.progress-bar{height:6px;background:var(--gray-200);border-radius:3px;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:0.75rem;color:var(--gray-500);margin-top:8px}.settings-section{background:var(--gray-50);border-radius:20px;overflow:hidden}.setting-group{padding:16px 20px;border-bottom:1px solid var(--gray-200)}.setting-group label{display:flex;align-items:center;gap:8px;font-weight:600;font-size:0.85rem;margin-bottom:12px;color:var(--gray-700)}.size-options{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.size-btn,.fps-btn{background:white;border:1px solid var(--gray-200);padding:6px 14px;border-radius:30px;font-size:0.75rem;cursor:pointer;transition:all 0.2s}.size-btn.active,.fps-btn.active{background:#667eea;color:white;border-color:#667eea}.custom-size{display:flex;align-items:center;gap:8px;margin-top:12px}.custom-size input{width:100px;padding:8px;border:1px solid var(--gray-200);border-radius:12px;text-align:center}.fps-options{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.fps-custom{background:white;border:1px solid var(--gray-200);padding:6px 14px;border-radius:30px;font-size:0.75rem;cursor:pointer}.custom-fps{width:100%;padding:8px;border:1px solid var(--gray-200);border-radius:12px;margin-top:8px}.quality-slider{display:flex;align-items:center;gap:16px}.quality-slider input{flex:1}.quality-hint{display:flex;justify-content:space-between;margin-top:6px;font-size:0.65rem;color:var(--gray-400)}.trim-controls{display:flex;gap:16px;margin-bottom:8px}.trim-input{display:flex;align-items:center;gap:8px}.trim-input input{width:80px;padding:8px;border:1px solid var(--gray-200);border-radius:12px;text-align:center}.optimize-options{display:flex;flex-direction:column;gap:8px}.optimize-options label{font-weight:normal;font-size:0.75rem;margin-bottom:0;cursor:pointer}.action-buttons{display:flex;justify-content:center;gap:16px;margin-bottom:24px}.convert-btn{background:linear-gradient(135deg, #667eea, #764ba2);padding:12px 32px;border-radius:50px;font-size:1rem}.result-area{margin-top:24px;background:white;border-radius:24px;overflow:hidden;border:1px solid var(--gray-200);animation:fadeIn 0.3s ease}.result-header{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;background:#f0fdf4;border-bottom:1px solid #bbf7d0}.result-header span{color:#166534;font-weight:600}.result-stats{display:flex;gap:12px}.stat-badge{background:#dcfce7;padding:4px 12px;border-radius:30px;font-size:0.7rem;color:#166534}.gif-preview-container{padding:24px;text-align:center;background:#1a1a2e}.gif-preview{max-width:100%;max-height:300px;border-radius:16px}.result-actions{display:flex;justify-content:center;gap:16px;padding:16px;background:var(--gray-50)}.info-section{margin-top:24px}.info-steps{display:grid;grid-template-columns:repeat(4, 1fr);gap:16px;padding:20px;background:var(--gray-50);border-radius:20px}.step{display:flex;align-items:center;gap:10px;font-size:0.8rem;color:var(--gray-600)}.step i{width:28px;height:28px;background:white;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#667eea}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:900px){.video-gif-container{grid-template-columns:1fr}.video-info{grid-template-columns:repeat(2, 1fr)}.info-steps{grid-template-columns:repeat(2, 1fr)}}@media (max-width:600px){.video-info{grid-template-columns:1fr}.info-steps{grid-template-columns:1fr}.trim-controls{flex-direction:column}.action-buttons{flex-direction:column;align-items:center}}