.upload-section{text-align:center;padding:2rem}.upload-section h3{margin-bottom:1.5rem;color:var(--text-primary, #333)}.watermark-workspace{display:flex;flex-direction:column;gap:1.5rem}.settings-panel{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;padding:1.5rem;background:var(--bg-secondary, #f5f5f5);border-radius:12px}.setting-group{display:flex;flex-direction:column;gap:.5rem}.setting-group.inline{flex-direction:row;align-items:center;gap:.75rem}.setting-group label{font-size:.875rem;font-weight:500;color:var(--text-primary, #333)}.setting-group input[type=text],.setting-group select{padding:.625rem;border:1px solid var(--border-color, #ddd);border-radius:6px;font-size:.875rem;background:#fff}.setting-group input[type=range]{width:100%;height:6px;appearance:none;-webkit-appearance:none;background:var(--border-color, #ddd);border-radius:3px;outline:none}.setting-group input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;background:var(--primary, #4361ee);border-radius:50%;cursor:pointer}.setting-group input[type=color]{width:40px;height:32px;border:none;border-radius:4px;cursor:pointer}.toggle-buttons{display:flex;gap:.5rem}.toggle-btn{flex:1;padding:.625rem 1rem;border:1px solid var(--border-color, #ddd);background:#fff;border-radius:6px;cursor:pointer;font-size:.875rem;transition:all .2s}.toggle-btn.active{background:var(--primary, #4361ee);color:#fff;border-color:var(--primary, #4361ee)}.watermark-preview{display:flex;align-items:center;gap:1rem}.watermark-preview img{max-width:60px;max-height:60px;border:1px solid var(--border-color, #ddd);border-radius:4px}.preview-section{position:relative}.preview-section h4{margin:0 0 .75rem;font-size:.875rem;color:var(--text-secondary, #666)}.result-preview{width:100%;max-height:500px;object-fit:contain;border:1px solid var(--border-color, #ddd);border-radius:8px;background:#f0f0f0}.processing-overlay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#000000b3;color:#fff;padding:1rem 2rem;border-radius:8px;font-size:.875rem;z-index:10}.action-buttons{display:flex;gap:1rem;justify-content:center}.privacy-note{text-align:center;padding:.75rem;background:#4caf501a;color:var(--success, #4caf50);border-radius:8px;font-size:.875rem;margin-top:1rem}@media(max-width:640px){.settings-panel{grid-template-columns:1fr}.toggle-buttons,.action-buttons{flex-direction:column}.action-buttons .btn{width:100%}}