/* ===== NAVBAR ===== */

.navbar {
  transition: background-color 0.25s ease, backdrop-filter 0.25s ease, border-bottom 0.25s ease;
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background-color: rgba(20, 20, 20, 0.55) !important;
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* ===== DROPDOWN PANEL (Linear-style) ===== */

/* Outer panel — fixed width, JS anchors it to a consistent left position */
.navbar .dropdown-menu {
  background-color: #181818;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  width: 780px;
  max-width: calc(100vw - 2rem);
  box-shadow: none;
  margin-top: 0.5rem !important;
  display: block !important;
  padding: 0.5rem;
  visibility: hidden;
  pointer-events: none;
}

.navbar .dropdown-menu.show {
  visibility: visible;
  pointer-events: auto;
}

/* Inner inset box — dividers are background gradients, not borders,
   so they always span full height regardless of item count in each column */
.navbar .dropdown-inner {
  background-color: #242424;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  padding: 0;
  overflow: hidden;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  column-gap: 0;
  row-gap: 0;
  /* Default: no dividers (single-col) */
  background-image: none;
}

/* Explicit column overrides (set by navbar.js via data-cols) */
.navbar .dropdown-inner[data-cols="1"] {
  grid-template-columns: 1fr;
  background-image: none;
}

.navbar .dropdown-inner[data-cols="2"] {
  grid-template-columns: repeat(2, 1fr);
  background-image: linear-gradient(
    to bottom,
    transparent 10%,
    rgba(255, 255, 255, 0.1) 10%,
    rgba(255, 255, 255, 0.1) 90%,
    transparent 90%
  );
  background-size: 1px 100%;
  background-position: 50% 0;
  background-repeat: no-repeat;
}

.navbar .dropdown-inner[data-cols="3"] {
  grid-template-columns: repeat(3, 1fr);
  background-image:
    linear-gradient(
      to bottom,
      transparent 10%,
      rgba(255, 255, 255, 0.1) 10%,
      rgba(255, 255, 255, 0.1) 90%,
      transparent 90%
    ),
    linear-gradient(
      to bottom,
      transparent 10%,
      rgba(255, 255, 255, 0.1) 10%,
      rgba(255, 255, 255, 0.1) 90%,
      transparent 90%
    );
  background-size: 1px 100%, 1px 100%;
  background-position: 33.333% 0, 66.666% 0;
  background-repeat: no-repeat, no-repeat;
}

/* Each item — vertical dividers come from parent background-image */
.navbar .dropdown-inner .dropdown-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.25rem 6rem 1.25rem 2rem;
  border-radius: 0;
  border: none;
  transition: background-color 0.12s ease;
  white-space: normal;
  background: none;
  color: inherit;
  min-width: 0;
}

.navbar .dropdown-inner .dropdown-item:hover,
.navbar .dropdown-inner .dropdown-item:focus {
  background-color: rgba(255, 255, 255, 0.06);
}

/* Label — small muted category name */
.navbar .dropdown-item-label {
  font-size: 0.69rem;
  font-weight: 400;
  color: #666;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

/* Description — prominent white main text */
.navbar .dropdown-item-desc {
  font-size: 0.8rem;
  font-weight: 500;
  color: #e0e0e0;
  line-height: 1.35;
}

/* Nav link hover — subtle rounded background matching btn-secondary hover */
.navbar .navbar-nav .nav-link {
  border-radius: 4px;
  padding: 0.375rem 0.75rem;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.navbar .navbar-nav .nav-link:hover,
.navbar .navbar-nav .nav-link:focus {
  background-color: rgba(255, 255, 255, 0.08);
}

/* Remove Bootstrap caret and any chevron */
.navbar .dropdown-toggle::after,
.navbar .dropdown-toggle::before {
  display: none !important;
}

/* On small screens collapse to single column, no dividers */
@media (max-width: 575px) {
  .navbar .dropdown-menu {
    max-width: calc(100vw - 2rem);
    left: 0 !important;
    right: 0 !important;
    margin-left: auto !important;
    margin-right: auto !important;
  }

  .navbar .dropdown-inner,
  .navbar .dropdown-inner[data-cols="2"],
  .navbar .dropdown-inner[data-cols="3"] {
    grid-template-columns: 1fr;
    background-image: none;
  }
}