.tool-card{background:var(--bg-tool);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:2rem;margin:2rem 0}.upload-section{margin-bottom:2rem}.drop-zone{border:2px dashed var(--accent-secondary);border-radius:var(--radius-md);padding:3rem 2rem;text-align:center;cursor:pointer;transition:all .3s ease;background:#0ea5e90d}.drop-zone:hover{border-color:var(--accent-primary);background:#6c3ce10d}.drop-zone.drag-over{border-color:var(--accent-primary);background:#6c3ce11a;transform:scale(1.02)}.drop-zone-content{pointer-events:none}.drop-zone-icon{font-size:3rem;margin-bottom:1rem}.drop-zone-text{font-size:1.125rem;color:var(--text-primary);margin-bottom:.5rem}.drop-zone-subtext{color:var(--text-secondary);margin:1rem 0}.drop-zone-hint{font-size:.875rem;color:var(--text-muted);margin-top:1rem}.file-list{background:#ffffff05;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1.5rem;margin-bottom:2rem}.file-list h3{margin-top:0;color:var(--text-primary)}.file-list ul{list-style:none;padding:0;margin:0}.file-item{display:flex;justify-content:space-between;align-items:center;padding:.75rem;background:#ffffff08;border-radius:var(--radius-sm);margin-bottom:.5rem;font-size:.925rem;color:var(--text-secondary)}.btn-remove{background:none;border:none;color:var(--accent-error);cursor:pointer;font-size:1.25rem;padding:0;width:1.5rem;height:1.5rem;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background .2s}.btn-remove:hover{background:#ef44441a}.options-section{background:#ffffff05;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1.5rem;margin-bottom:2rem}.options-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem}.option-group{display:flex;flex-direction:column}.option-group label{font-size:.875rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem}.option-group select{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);padding:.625rem;font-size:.925rem;transition:border-color .2s}.option-group select:focus{outline:none;border-color:var(--accent-primary)}.checkbox-group{justify-content:flex-end}.checkbox-group label{display:flex;align-items:center;font-weight:500;margin-bottom:0}.checkbox-group input[type=checkbox]{margin-right:.5rem;cursor:pointer}.action-section{display:flex;gap:1rem;margin-bottom:2rem;flex-wrap:wrap}.btn-large{flex:1;min-width:200px}.progress-bar{width:100%;height:8px;background:#ffffff0d;border-radius:4px;overflow:hidden;margin-bottom:1rem}.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent-primary),var(--accent-secondary));width:0%;transition:width .3s ease}.progress-text{font-size:.875rem;color:var(--text-secondary);text-align:center}.results-container{background:#ffffff05;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1.5rem}.result-item{padding:1rem;border-radius:var(--radius-sm);margin-bottom:.5rem;font-size:.925rem}.result-item.success{background:#10b9811a;color:var(--accent-success);border-left:3px solid var(--accent-success)}.result-item.error{background:#ef44441a;color:var(--accent-error);border-left:3px solid var(--accent-error)}.error-message{background:#ef44441a;border:1px solid var(--accent-error);border-radius:var(--radius-md);padding:1rem;color:var(--accent-error);margin-bottom:1rem;font-size:.925rem}.btn{padding:.75rem 1.5rem;border:none;border-radius:var(--radius-sm);font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease}.btn-primary{background:var(--accent-secondary);color:#fff;pointer-events:auto}.btn-primary:hover{background:#0284c7;transform:translateY(-2px)}.btn-success{background:var(--accent-success);color:#fff}.btn-success:hover:not(:disabled){background:#059669;transform:translateY(-2px)}.btn-success:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{border-color:var(--accent-secondary);color:var(--accent-secondary)}@media(max-width:640px){.tool-card{padding:1.5rem}.drop-zone{padding:2rem 1rem}.drop-zone-icon{font-size:2rem}.options-grid{grid-template-columns:1fr}.action-section{flex-direction:column}.btn-large{min-width:unset}}