/* ==========================================================================
   Category Management page — css/categories-manage.css
   Tree view of the shared `categories` table, nested via the
   `category_hierarchy` satellite table (parent_id, sort_order), up to 5
   levels deep. See js/categories-manage.js for all interaction logic and
   README.md "Category Management" section for the full architecture.
   ========================================================================== */

.cat-manage-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

.cat-manage-intro {
  margin-bottom: 20px;
}

.cat-manage-intro > p {
  color: var(--hpi-gray-600);
  font-size: 0.92rem;
  line-height: 1.5;
  margin: 0 0 16px;
}

.cat-manage-intro code {
  background: var(--hpi-gray-100);
  border: 1px solid var(--hpi-gray-200);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.85em;
}

.cat-manage-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.cat-manage-status {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--hpi-gray-600);
}

.cat-manage-status.error { color: var(--hpi-red); }
.cat-manage-status.success { color: #1a8a3d; }

.cat-manage-tree-section {
  background: var(--hpi-white);
  border: 1px solid var(--hpi-gray-200);
  border-radius: 8px;
  padding: 12px;
  box-shadow: var(--shadow-card);
}

.cat-manage-empty {
  color: var(--hpi-gray-600);
  font-size: 0.9rem;
  text-align: center;
  padding: 30px 10px;
}

/* ---------------- Tree ---------------- */
.cat-tree, .cat-tree ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.cat-tree ul {
  margin-left: 22px;
  border-left: 2px dashed var(--hpi-gray-200);
  padding-left: 14px;
}

.cat-tree li {
  margin: 3px 0;
}

.cat-node {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid transparent;
  background: var(--hpi-gray-100);
  flex-wrap: wrap;
}

.cat-node:hover {
  border-color: var(--hpi-gray-200);
}

.cat-node-toggle {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border: none;
  background: transparent;
  color: var(--hpi-gray-600);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}

.cat-node-toggle:hover { background: var(--hpi-gray-200); }
.cat-node-toggle.no-children { visibility: hidden; }

.cat-node-toggle i {
  transition: transform 0.15s ease;
}

.cat-node.collapsed > .cat-node .cat-node-toggle i,
.cat-node-toggle.collapsed i {
  transform: rotate(-90deg);
}

.cat-node-name {
  flex: 1 1 160px;
  font-weight: 600;
  font-size: 0.92rem;
  min-width: 0;
  overflow-wrap: anywhere;
}

.cat-node-depth-badge {
  flex: 0 0 auto;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--hpi-gray-600);
  background: var(--hpi-white);
  border: 1px solid var(--hpi-gray-200);
  border-radius: 20px;
  padding: 2px 8px;
}

.cat-node-count-badge {
  flex: 0 0 auto;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--hpi-gray-600);
}

.cat-node-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 0 0 auto;
}

.cat-node-action-btn {
  width: 28px;
  height: 28px;
  border: 1px solid var(--hpi-gray-200);
  background: var(--hpi-white);
  color: var(--hpi-gray-600);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
}

.cat-node-action-btn:hover {
  border-color: var(--hpi-red);
  color: var(--hpi-red);
}

.cat-node-action-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.cat-node-action-btn:disabled:hover {
  border-color: var(--hpi-gray-200);
  color: var(--hpi-gray-600);
}

.cat-node-action-btn.danger:hover {
  background: var(--hpi-red);
  border-color: var(--hpi-red);
  color: var(--hpi-white);
}

/* Re-parent (move/nest) select, hidden until the "nest" action is clicked */
.cat-node-reparent-select {
  flex: 1 1 100%;
  margin-top: 6px;
  padding: 7px 10px;
  border: 1px solid var(--hpi-gray-200);
  border-radius: 4px;
  font-size: 0.82rem;
}

.cat-node-reparent-select.hidden { display: none; }

.cat-node.max-depth {
  outline: 1px dashed var(--hpi-gray-400);
}

@media (max-width: 640px) {
  .cat-node-name { flex-basis: 100%; order: -1; }
  .cat-tree ul { margin-left: 12px; padding-left: 10px; }
}

/* ---------------- Delete/reassign modal ---------------- */
.cat-delete-message {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--hpi-black);
  margin: 0 0 14px;
}

#cat-delete-reassign-wrap.hidden { display: none; }

#cat-delete-reassign-select {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--hpi-gray-200);
  border-radius: 5px;
  font-size: 0.88rem;
  margin-bottom: 6px;
}