/* =========================================
   PRODUCTS — add/edit form and category manager (products.js)
   ========================================= */

/* ——— Product add/edit form ——— */
.pf-form { display: grid; grid-template-columns: 200px 1fr; gap: 24px; align-items: start; }
.pf-image-col { display: flex; flex-direction: column; }
.pf-fields-col { min-width: 0; }
.pf-req { color: var(--danger); }
.pf-optional { font-weight: 500; color: var(--text-muted); font-size: 0.72rem; margin-left: 4px; }

.pf-dropzone {
  position: relative; display: block; aspect-ratio: 1 / 1; width: 100%;
  border: 1.5px dashed var(--border); border-radius: var(--radius-lg);
  background: var(--primary-lighter); cursor: pointer; overflow: hidden;
  transition: var(--transition);
}
.pf-dropzone:hover, .pf-dropzone.dragging { border-color: var(--primary); background: var(--primary-light); }
.pf-dropzone.dragging { box-shadow: 0 0 0 4px rgba(30,111,217,0.12); }
.pf-preview { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: none; }
.pf-dropzone.has-image { border-style: solid; background: var(--surface); }
.pf-dropzone.has-image .pf-preview { display: block; }
.pf-drop-empty {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 6px; padding: 12px; text-align: center; color: var(--text-muted);
}
.pf-drop-empty svg { color: var(--primary); margin-bottom: 4px; }
.pf-drop-title { font-size: 0.82rem; font-weight: 600; color: var(--text-primary); }
.pf-drop-hint { font-size: 0.72rem; }
.pf-dropzone.has-image .pf-drop-empty { display: none; }
.pf-drop-overlay {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  background: rgba(15,27,46,0.55); color: #fff; font-size: 0.8rem; font-weight: 600;
  opacity: 0; transition: var(--transition);
}
.pf-dropzone.has-image:hover .pf-drop-overlay, .pf-dropzone.has-image.dragging .pf-drop-overlay { opacity: 1; }
.pf-file-input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.pf-dropzone:has(+ .pf-file-input:focus-visible) { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(30,111,217,0.2); }
.pf-file-name {
  margin-top: 8px; font-size: 0.75rem; color: var(--text-secondary); text-align: center;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.pf-input-affix { position: relative; display: flex; align-items: center; }
.pf-input-affix .form-input { padding-left: 28px; padding-right: 44px; }
.pf-prefix, .pf-suffix { position: absolute; font-size: 0.85rem; color: var(--text-muted); pointer-events: none; }
.pf-prefix { left: 12px; font-weight: 600; color: var(--text-secondary); }
.pf-suffix { right: 12px; font-size: 0.78rem; }
.pf-counter { margin-top: 4px; font-size: 0.72rem; color: var(--text-muted); text-align: right; }

@media (max-width: 640px) {
  .pf-form { grid-template-columns: 1fr; gap: 16px; }
  .pf-image-col { max-width: 180px; width: 100%; margin: 0 auto; }
}

/* ——— Category manager (product modal) ——— */
.pf-label-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 6px; }
.pf-label-row .form-label { margin-bottom: 0; }
.pf-label-action {
  display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border: none; border-radius: 999px;
  background: none; color: var(--primary); font: inherit; font-size: 0.75rem; font-weight: 600; cursor: pointer; transition: var(--transition);
}
.pf-label-action:hover, .pf-label-action.active { background: var(--primary-light); }

.pf-cat-manager {
  margin-bottom: 16px; padding: 14px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--primary-lighter); animation: slideUp 0.15s ease;
}
.pf-cat-manager.hidden { display: none; }
.pf-cat-manager-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.pf-cat-manager-head span { font-size: 0.8rem; font-weight: 700; color: var(--text-primary); }
.pf-cat-manager-head small { font-size: 0.72rem; color: var(--text-muted); }
.pf-cat-list { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; max-height: 150px; overflow-y: auto; }
.pf-cat-item {
  --cat: #6b7280;
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 6px 4px 10px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 999px; font-size: 0.78rem;
}
.pf-cat-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cat); }
.pf-cat-name { font-weight: 600; color: var(--text-primary); }
.pf-cat-count { font-size: 0.68rem; font-weight: 700; padding: 0 6px; border-radius: 999px; background: var(--bg); color: var(--text-secondary); line-height: 1.6; }
.pf-cat-remove, .pf-cat-lock {
  width: 20px; height: 20px; display: inline-flex; align-items: center; justify-content: center;
  border: none; border-radius: 50%; background: none; color: var(--text-muted);
}
.pf-cat-remove { cursor: pointer; transition: var(--transition); }
.pf-cat-remove:hover { background: var(--danger-light); color: var(--danger); }
.pf-cat-item.confirming { border-color: var(--danger); background: var(--danger-light); padding: 4px 6px 4px 12px; flex-wrap: wrap; }
.pf-cat-confirm-text { color: var(--text-primary); }
.pf-cat-confirm-btn {
  padding: 2px 10px; border: 1px solid var(--border); border-radius: 999px; background: var(--surface);
  font: inherit; font-size: 0.74rem; font-weight: 600; color: var(--text-secondary); cursor: pointer;
}
.pf-cat-confirm-btn.danger { border-color: var(--danger); background: var(--danger); color: #fff; }
.pf-cat-confirm-btn:hover { filter: brightness(0.95); }
.pf-cat-empty { font-size: 0.78rem; color: var(--text-secondary); }
.pf-cat-add { display: flex; gap: 8px; }
.pf-cat-add .form-input { flex: 1; min-width: 0; }
.pf-cat-add .btn { display: inline-flex; align-items: center; gap: 6px; flex-shrink: 0; }