.tool-container{max-width:1000px;margin:0 auto;padding:4rem 1.5rem}.tool-header{text-align:center;margin-bottom:3rem}.tool-header h1{background:linear-gradient(135deg, var(--text-primary), var(--text-secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:1rem;font-size:2.5rem}.tool-header p{color:var(--text-secondary);font-size:1.1rem}.upload-zone{border:2px dashed var(--border-color);border-radius:var(--radius-lg);text-align:center;background-color:var(--bg-secondary);cursor:pointer;transition:all var(--transition-fast);margin-bottom:2rem;padding:4rem 2rem}.upload-zone:hover,.upload-zone.drag-active{border-color:var(--accent-primary);background-color:#3b82f60d}.upload-icon{color:var(--accent-primary);margin-bottom:1rem;font-size:3rem}.upload-text{margin-bottom:.5rem;font-size:1.25rem;font-weight:600}.upload-subtext{color:var(--text-secondary);font-size:.95rem}.hidden-input{display:none}.workspace{grid-template-columns:1fr 350px;align-items:start;gap:2rem;display:grid}.preview-panel{flex-direction:column;gap:1.5rem;display:flex}.video-container{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1rem;overflow:hidden}.video-preview{border-radius:var(--radius-md);background-color:#000;width:100%;max-height:400px}.gif-result-container{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);text-align:center;padding:1.5rem}.gif-preview{border-radius:var(--radius-md);border:1px solid var(--border-color);max-width:100%;max-height:400px;margin-bottom:1rem}.controls-panel{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);flex-direction:column;gap:1.5rem;padding:1.5rem;display:flex}.control-group{flex-direction:column;gap:.5rem;display:flex}.control-group label{justify-content:space-between;font-size:.95rem;font-weight:600;display:flex}.control-group input[type=number]{width:100%}.control-row{align-items:center;gap:1rem;display:flex}.control-row>*{flex:1}.progress-container{margin-top:1rem}.progress-bar{background-color:var(--bg-tertiary);border-radius:var(--radius-full);height:8px;margin-top:.5rem;overflow:hidden}.progress-fill{background-color:var(--accent-primary);height:100%;transition:width .2s}.warning-message{border-radius:var(--radius-md);color:#b45309;background-color:#f59e0b1a;border:1px solid #f59e0b33;margin-bottom:1rem;padding:1rem;font-size:.9rem}@media (max-width:900px){.workspace{grid-template-columns:1fr}}