.vtg-tool{background:#fff;border-radius:16px;border:1px solid var(--gray-200);padding:2rem;margin-top:2rem}.vtg-options,.vtg-upload-area{display:flex;flex-direction:column;gap:1rem}.vtg-upload-area{align-items:center;justify-content:center;padding:3rem 2rem;border:2px dashed var(--gray-300);border-radius:12px;text-align:center;cursor:pointer;transition:border-color .2s,background .2s}.vtg-upload-area.drag-over,.vtg-upload-area:hover{border-color:#e53e3e;background:#fff5f5}.vtg-upload-area svg{color:var(--gray-400)}.vtg-upload-area p{color:var(--gray-600);margin:0}.vtg-options{margin-top:1.5rem}.vtg-option-row{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.vtg-option-row label{font-size:.875rem;font-weight:600;color:var(--gray-700);min-width:120px}.vtg-slider{flex:1;min-width:120px;height:6px;background:var(--gray-200);border-radius:10px;outline:0;cursor:pointer;appearance:none;-webkit-appearance:none}.vtg-slider::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:18px;height:18px;background:#fff;border:3px solid #e53e3e;border-radius:50%;cursor:pointer;box-shadow:0 2px 6px rgba(229,62,62,.3);transition:transform .15s}.vtg-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.vtg-slider::-moz-range-thumb{width:18px;height:18px;background:#fff;border:3px solid #e53e3e;border-radius:50%;cursor:pointer;box-shadow:0 2px 6px rgba(229,62,62,.3)}.vtg-input{padding:.4rem .65rem;border:1px solid var(--gray-300);border-radius:8px;font-size:.95rem;width:100px;color:var(--gray-800)}.vtg-input:focus{outline:0;border-color:#e53e3e;box-shadow:0 0 0 3px rgba(229,62,62,.1)}.vtg-convert-btn{align-self:flex-start;margin-top:.5rem}.vtg-progress{margin-top:1.5rem}.vtg-progress-bar{height:8px;background:var(--gray-200);border-radius:4px;overflow:hidden;margin-bottom:.75rem}.vtg-progress-fill{height:100%;background:#e53e3e;border-radius:4px;width:0%;transition:width .3s ease}.vtg-result{display:flex;flex-direction:column;align-items:center;gap:1rem;margin-top:1.5rem}.vtg-preview-img{max-width:100%;max-height:400px;border-radius:8px;border:1px solid var(--gray-200)}.vtg-result-info{font-size:.875rem;color:var(--gray-600)}.vtg-result .btn-primary,.vtg-result .btn-secondary{min-width:160px}