/* upload.css - upload areas, upload slots, upload grid */
.upload-area { border: 1px dashed var(--border, #e5e5e5); border-radius: var(--radius, 8px); padding: 24px; text-align: center; cursor: pointer; transition: border-color var(--transition, 150ms ease); position: relative; }
.upload-area:hover { border-color: var(--border-hover, #d4d4d4); }
.upload-area input[type=file] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.upload-area .icon { font-size: 28px; margin-bottom: 8px; }
.upload-area p { font-size: 13px; color: var(--text-muted, #6b7280); }
.upload-area.has-img { border-style: solid; border-color: var(--primary, #0d9488); }
#preview { width: 100%; max-height: 200px; object-fit: contain; border-radius: var(--radius-sm, 6px); display: none; margin-top: 12px; }
.upload-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
@media(max-width:600px){ .upload-grid { grid-template-columns: 1fr 1fr; } }
.upload-slot { border: 1px dashed var(--border, #e5e5e5); border-radius: var(--radius, 8px); padding: 10px; text-align: center; cursor: pointer; transition: border-color var(--transition, 150ms ease); position: relative; min-height: 120px; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.upload-slot:hover { border-color: var(--border-hover, #d4d4d4); }
.upload-slot.has-img { border-style: solid; border-color: var(--primary, #0d9488); padding: 6px; }
.upload-slot input[type=file] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.upload-slot .slot-icon { font-size: 22px; margin-bottom: 4px; }
.upload-slot .slot-label { font-size: 12px; font-weight: 500; color: var(--text, #1a1a1a); line-height: 1.3; }
.upload-slot .slot-desc { font-size: 10px; color: var(--text-faint, #9ca3af); margin-top: 3px; line-height: 1.3; }
.upload-slot .slot-tag { position: absolute; top: 6px; left: 6px; font-size: 9px; padding: 1px 6px; border-radius: 4px; font-weight: 600; }
.slot-required { background: #fee2e2; color: #dc2626; }
.slot-optional { background: #f3f4f6; color: var(--text-muted, #6b7280); }
.upload-slot img.slot-preview { width: 100%; max-height: 100px; object-fit: contain; border-radius: var(--radius-sm, 6px); }
.upload-slot .slot-remove { position: absolute; top: 4px; right: 4px; width: 20px; height: 20px; border-radius: 50%; background: rgba(0,0,0,0.5); color: #fff; font-size: 12px; display: none; align-items: center; justify-content: center; cursor: pointer; line-height: 1; }
.upload-slot.has-img .slot-remove { display: flex; }

/* variant preset select */
.var-preset-select { width: 100%; padding: 3px 4px; border: 1px solid var(--border, #e5e5e5); border-radius: 4px; font-size: 10px; color: var(--text-muted, #6b7280); background: var(--bg, #fff); cursor: pointer; box-sizing: border-box; margin-bottom: 2px; }
.var-preset-select:focus { border-color: var(--primary, #0d9488); background: var(--bg, #fff); outline: none; }

/* variant spec inputs (NET / H / W) */
.var-spec-group { display: flex; flex-direction: column; gap: 3px; }
.var-spec-row { display: flex; align-items: center; gap: 3px; }
.var-spec-row span { font-size: 10px; font-weight: 600; color: var(--text-faint, #9ca3af); min-width: 24px; text-align: right; }
.var-spec-row input { flex: 1; padding: 3px 5px; border: 1px solid var(--border, #e5e5e5); border-radius: 4px; font-size: 11px; width: 100%; box-sizing: border-box; background: var(--bg, #fff); }
.var-spec-row input:focus { border-color: var(--primary, #0d9488); background: var(--bg, #fff); outline: none; }