/* Navbar CATEGORIES menu (layouts/_category_menu.html.erb). Layout only: colours and fonts
   are var(--…) from application.css, which also owns .dropdown-menu's open/close rules. */

/* The panel is anchored to the navbar container, not the nav item, so it never runs off
   the right edge of a narrow window. */
.navbar-container {
  position: relative;
}

.nav-item.category-menu {
  position: static;
}

.category-menu .dropdown-menu {
  left: var(--spacing-lg);
  right: auto;
  width: min(760px, calc(100% - 2 * var(--spacing-lg)));
  padding: 0;
}

/* Keyboard users open the menu by tabbing into it; application.css only opens on hover. */
.category-menu:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
}

.category-menu-grid {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  min-height: 280px;
}

.category-menu-parents {
  list-style: none;
  margin: 0;
  padding: var(--spacing-sm) 0;
  background-color: var(--panel-dark);
  border-right: 1px solid var(--border-color);
}

.category-menu-parent,
.category-menu-all {
  display: block;
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-left: 3px solid transparent;
  background: none;
  color: var(--text-color);
  font-size: 0.8rem;
  font-weight: 600;
  text-align: left;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  box-sizing: border-box;
}

.category-menu-parent.active,
.category-menu-parent:hover,
.category-menu-parent:focus,
.category-menu-all:hover {
  color: var(--primary-color);
  background-color: var(--panel-bg);
  border-left-color: var(--primary-color);
  outline: none;
}

.category-menu-all {
  margin-top: var(--spacing-sm);
  border-top: 1px solid var(--border-color);
  color: var(--dark-gray);
}

.category-menu-leaves {
  display: none;
  padding: var(--spacing-md) var(--spacing-lg);
}

.category-menu-leaves.active {
  display: block;
}

.category-menu-pane-title {
  margin: 0 0 var(--spacing-sm);
  color: var(--dark-gray);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.category-menu-leaves ul {
  list-style: none;
  margin: 0;
  padding: 0;
  columns: 2;
  column-gap: var(--spacing-lg);
}

.category-menu-leaf {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  color: var(--text-color);
  font-size: 0.9rem;
  break-inside: avoid;
}

.category-menu-leaf:hover .category-menu-leaf-name,
.category-menu-leaf:focus .category-menu-leaf-name {
  color: var(--primary-color);
  text-decoration: underline;
}

.category-menu-count {
  color: var(--dark-gray);
  font-size: 0.75rem;
}

@media (max-width: 768px) {
  .category-menu .dropdown-menu {
    display: none;
  }
}