/* Category tree — sidebar roots + text hierarchy board */

.cb-cat-tree {
  display: grid;
  grid-template-columns: minmax(220px, 248px) minmax(0, 1fr);
  min-height: 480px;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.06);
  max-width: 100%;
}

/* —— Sidebar (L1) —— */
.cb-cat-tree__sidebar {
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  border-right: 1px solid #e2e8f0;
  padding: 8px 0;
  min-width: 0;
  overflow: hidden;
}

.cb-cat-tree__roots {
  display: grid;
  align-content: start;
  gap: 2px;
  max-height: min(68vh, 640px);
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #cbd5e1 transparent;
  padding: 0 6px;
}

.cb-cat-tree__root {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 16px;
  gap: 10px;
  align-items: center;
  width: 100%;
  padding: 10px 10px 10px 8px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: #0f172a;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s ease, box-shadow 0.15s ease;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  box-sizing: border-box;
}

a.cb-cat-tree__root {
  appearance: none;
}

.cb-cat-tree__root:hover {
  background: rgba(255, 255, 255, 0.92);
}

.cb-cat-tree__root.is-active {
  background: #fff;
  box-shadow: inset 3px 0 0 #2563eb, 0 1px 2px rgba(15, 23, 42, 0.06);
}

.cb-cat-tree__root-thumb {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: #fff;
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.06);
  overflow: hidden;
}

.cb-cat-tree__root-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cb-cat-tree__root-name {
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.cb-cat-tree__root-chevron {
  color: #94a3b8;
}

.cb-cat-tree__root.is-active .cb-cat-tree__root-chevron {
  color: #2563eb;
}

/* —— Main board —— */
.cb-cat-tree__panels {
  min-width: 0;
  background: #fff;
  overflow: hidden;
}

.cb-cat-tree__panel {
  display: none;
}

.cb-cat-tree__panel.is-active {
  display: block;
}

.cb-cat-tree__board {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px 24px;
  padding: 20px 22px 24px;
  max-height: min(68vh, 640px);
  overflow-x: hidden !important;
  overflow-y: auto;
  scrollbar-width: thin;
  align-content: start;
  box-sizing: border-box;
}

.cb-cat-tree__group {
  min-width: 0;
  display: grid;
  gap: 6px;
}

.cb-cat-tree__group-head {
  margin: 0;
  padding: 0 2px 4px;
  color: #64748b;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.3;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

.cb-cat-tree__leaf-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.cb-cat-tree__leaf-item.is-extra {
  display: none;
}

.cb-cat-tree__group.is-expanded .cb-cat-tree__leaf-item.is-extra {
  display: list-item;
}

.cb-cat-tree__leaf-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  min-height: 38px;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: #1e293b;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.35;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.12s ease, background 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease;
}

button.cb-cat-tree__leaf-row {
  appearance: none;
}

.cb-cat-tree__leaf-row-label {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
}

.cb-cat-tree__leaf-row-count {
  flex: 0 0 auto;
  font-size: 0.72rem;
  font-weight: 600;
  color: #94a3b8;
}

.cb-cat-tree__leaf-row-chevron {
  flex: 0 0 auto;
  color: #cbd5e1;
  transition: color 0.12s ease, transform 0.12s ease;
}

.cb-cat-tree__leaf-row:hover,
.cb-cat-tree__leaf-row:focus-visible {
  color: #1d4ed8;
  background: #f8fafc;
  border-color: #e2e8f0;
}

.cb-cat-tree__leaf-row:hover .cb-cat-tree__leaf-row-chevron,
.cb-cat-tree__leaf-row:focus-visible .cb-cat-tree__leaf-row-chevron {
  color: #2563eb;
  transform: translateX(2px);
}

.cb-cat-tree__leaf-row.is-active,
.cb-cat-tree__leaf-row.active {
  color: #1d4ed8;
  font-weight: 600;
  background: #eff6ff;
  border-color: #bfdbfe;
  box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.08);
}

.cb-cat-tree__leaf-row--section {
  min-height: 42px;
  font-weight: 600;
}

.cb-cat-tree__group.is-leaf-section {
  gap: 6px;
}

.cb-cat-tree__more {
  margin-top: 2px;
  padding: 4px 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #2563eb;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}

.cb-cat-tree__more:hover {
  background: #f8fafc;
  text-decoration: underline;
}

.cb-cat-tree__group.is-expanded .cb-cat-tree__more {
  display: none;
}

.cb-cat-tree__leaf-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  min-height: 38px;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: #1e293b;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.35;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

.cb-cat-tree__leaf-item.is-extra,
.cb-cat-tree__col-item.is-extra {
  display: none;
}

.cb-cat-tree__group.is-expanded .cb-cat-tree__leaf-item.is-extra {
  display: list-item;
}

/* Wizard */
.cb-cat-tree--wizard {
  box-shadow: none;
  border-color: #e2e8f0;
  border-radius: 14px;
}

.cb-cat-tree--wizard .cb-cat-tree__board {
  max-height: min(52vh, 520px);
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px 20px;
  padding: 16px 18px 20px;
}

.cb-cat-tree--wizard .cb-cat-tree__sidebar {
  background: #f8fafc;
}

/* Modal */
.cb-listings-category-modal__dialog--tree {
  width: min(1180px, calc(100vw - 24px));
  max-height: min(92vh, 940px);
  padding: 20px 22px 22px;
  overflow-x: hidden !important;
  overflow-y: auto;
}

.cb-listings-category-modal__dialog--tree .cb-listings-category-modal__catalog {
  display: block !important;
  grid-template-columns: unset !important;
  overflow: hidden;
  padding: 0;
  width: 100%;
  max-width: 100%;
}

.cb-listings-category-modal__dialog--tree .cb-cat-tree {
  width: 100%;
  max-width: 100%;
  min-height: min(68vh, 640px);
  border: 0;
  box-shadow: none;
  border-radius: 14px;
}

.cb-cat-tree__group[hidden],
.cb-cat-tree__col[hidden],
.cb-cat-tree__panel[hidden] {
  display: none !important;
}

body.cb-listings-category-modal-open {
  overflow: hidden;
}

html.cb-listings-category-modal-open,
body.cb-listings-category-modal-open {
  overscroll-behavior: none;
}

@media (max-width: 1100px) {
  .cb-cat-tree__board {
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  }
}

@media (max-width: 768px) {
  .cb-listings-category-modal.is-open,
  .cb-listings-category-modal:not([hidden]) {
    display: flex !important;
    flex-direction: column !important;
    justify-content: flex-end !important;
    place-items: stretch !important;
    padding: 0 !important;
    height: 100% !important;
    height: 100dvh !important;
    pointer-events: auto;
    overflow: hidden !important;
    overscroll-behavior: none !important;
  }

  .cb-listings-category-modal__backdrop {
    touch-action: none;
    z-index: 0 !important;
    position: fixed !important;
    inset: 0 !important;
  }

  .cb-listings-category-modal.is-open .cb-listings-category-modal__backdrop,
  .cb-listings-category-modal.is-open .cb-listings-category-modal__dialog,
  .cb-listings-category-modal:not([hidden]) .cb-listings-category-modal__backdrop,
  .cb-listings-category-modal:not([hidden]) .cb-listings-category-modal__dialog {
    pointer-events: auto;
  }

  .cb-listings-category-modal__dialog,
  .cb-listings-category-modal__dialog--tree {
    position: relative !important;
    z-index: 2 !important;
    touch-action: pan-y;
    isolation: isolate;
  }

  .cb-listings-category-modal__dialog,
  .cb-listings-category-modal__dialog--tree {
    width: 100% !important;
    max-width: 100% !important;
    max-height: 94dvh !important;
    border-radius: 20px 20px 0 0 !important;
    padding: 16px 16px calc(16px + env(safe-area-inset-bottom, 0px)) !important;
    margin: 0 !important;
    overflow: hidden !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    flex: 0 1 auto !important;
  }

  .cb-listings-category-modal__head p,
  .cb-listings-category-modal__head .cb-listings-category-modal__hint,
  .cb-listings-category-modal__toolbar {
    display: none !important;
  }

  .cb-listings-category-modal__head {
    align-items: center !important;
  }

  .cb-listings-category-modal__head h2 {
    font-size: 20px !important;
    margin: 0 !important;
  }

  .cb-listings-category-modal__catalog {
    flex: 1 1 auto !important;
    min-height: 0 !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    overscroll-behavior: contain !important;
    -webkit-overflow-scrolling: touch !important;
    touch-action: pan-y !important;
  }

  .cb-listings-category-modal__dialog--tree .cb-cat-tree {
    min-height: min-content !important;
    max-height: none !important;
    height: auto !important;
  }

  .cb-cat-tree__root,
  .cb-cat-tree__leaf-row,
  .cb-cat-tree__leaf-link,
  .cb-cat-tree__mobile-back {
    cursor: pointer;
    pointer-events: auto !important;
  }

  .cb-cat-tree {
    grid-template-columns: 1fr !important;
    min-height: 0 !important;
    border: 0 !important;
    box-shadow: none !important;
    border-radius: 0 !important;
  }

  .cb-cat-tree__sidebar {
    border-right: 0 !important;
    border-bottom: 0 !important;
    background: transparent !important;
    padding: 0 !important;
  }

  .cb-cat-tree__roots {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 6px !important;
    max-height: none !important;
    overflow: visible !important;
    padding: 0 !important;
    touch-action: pan-y !important;
  }

  .cb-cat-tree__root {
    grid-template-columns: 44px minmax(0, 1fr) 20px !important;
    min-height: 52px !important;
    padding: 10px 12px !important;
    border-radius: 14px !important;
    background: #f2f2f7 !important;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
  }

  .cb-cat-tree__root.is-active {
    background: #fff !important;
    box-shadow: inset 3px 0 0 #007aff, 0 1px 4px rgba(0, 0, 0, 0.06) !important;
  }

  .cb-cat-tree__root-name {
    font-size: 16px !important;
    line-height: 1.3 !important;
  }

  .cb-cat-tree:not(.cb-cat-tree--mobile-drill) .cb-cat-tree__panels {
    display: none !important;
  }

  .cb-cat-tree--mobile-drill .cb-cat-tree__sidebar {
    display: none !important;
  }

  .cb-cat-tree--mobile-drill .cb-cat-tree__panels {
    display: block !important;
    min-height: 0 !important;
    overflow: visible !important;
  }

  .cb-cat-tree__mobile-back {
    display: inline-flex !important;
    align-items: center;
    gap: 6px;
    min-height: 44px;
    margin: 0 0 8px;
    padding: 8px 4px;
    border: 0;
    background: transparent;
    color: #007aff;
    font: inherit;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    position: relative;
    z-index: 2;
  }

  .cb-cat-tree__board {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
    padding: 0 !important;
    max-height: none !important;
    overflow: visible !important;
  }

  .cb-cat-tree__group-head {
    font-size: 12px !important;
  }

  .cb-cat-tree__leaf-row,
  .cb-cat-tree__leaf-link {
    min-height: 48px !important;
    font-size: 16px !important;
    border-radius: 12px !important;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
  }

  .cb-cat-tree--wizard {
    min-height: min(58dvh, 560px);
  }

  .cb-cat-tree--wizard .cb-cat-tree__board {
    max-height: calc(100dvh - 280px) !important;
  }

  .cb-cat-tree__leaf-row-count {
    font-size: 13px !important;
  }
}

@media (min-width: 769px) {
  .cb-cat-tree__mobile-back {
    display: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cb-cat-tree__root,
  .cb-cat-tree__leaf-row,
  .cb-cat-tree__leaf-row-chevron {
    transition: none;
  }
}

.cb-cat-tree__panel-placeholder {
  min-height: 280px;
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
}

.cb-cat-tree__panel-placeholder.is-loading {
  position: relative;
}

.cb-cat-tree__panel-placeholder.is-loading::after {
  content: '';
  position: absolute;
  inset: 0;
  margin: auto;
  width: 28px;
  height: 28px;
  border: 2px solid #cbd5e1;
  border-top-color: #64748b;
  border-radius: 50%;
  animation: cb-cat-tree-panel-spin 0.7s linear infinite;
}

@keyframes cb-cat-tree-panel-spin {
  to { transform: rotate(360deg); }
}