/* ── Search highlight ────────────────────────────────────── */

mark {
  background: rgba(255, 194, 0, 0.45);
  color: inherit;
  border-radius: 3px;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

@media (prefers-color-scheme: dark) {
  mark {
    background: rgba(255, 194, 0, 0.3);
  }
}

/* ── Search bar ──────────────────────────────────────────── */

.search-bar-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;

  background-color: var(--background-color-secondary);
  border-radius: 999px;
  padding: 0.75rem 1.25rem;
  box-shadow: var(--shadow);
  border: 1px solid color-mix(in srgb, var(--text-color-primary) 6%, transparent);

  max-width: 480px;
  width: 100%;
  margin: 0 auto 1rem;
  box-sizing: border-box;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.search-bar-wrapper:focus-within {
  border-color: color-mix(in srgb, var(--text-color-accent) 45%, transparent);
  box-shadow: 
    0 0 0 4px color-mix(in srgb, var(--text-color-accent) 15%, transparent),
    var(--shadow);
}

.search-bar-wrapper .material-symbols-outlined {
  color: color-mix(in srgb, var(--text-color-primary) 40%, transparent);
  font-size: 1.25rem !important;
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-color-primary);
}

.search-input::placeholder {
  color: color-mix(in srgb, var(--text-color-primary) 35%, transparent);
}

.search-clear-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;

  background: color-mix(in srgb, var(--text-color-primary) 10%, transparent);
  border: none;
  border-radius: 50%;
  width: 1.5rem;
  height: 1.5rem;
  cursor: pointer;
  padding: 0;
  color: color-mix(in srgb, var(--text-color-primary) 55%, transparent);

  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease, background 0.15s ease;
}

.search-clear-btn:hover {
  background: color-mix(in srgb, var(--text-color-primary) 16%, transparent);
}

.search-clear-btn .material-symbols-outlined {
  font-size: 1rem !important;
}

/* Show only when the input has content (placeholder is hidden) */
.search-input:not(:placeholder-shown) ~ .search-clear-btn {
  opacity: 1;
  pointer-events: auto;
}

/* ── Results box ─────────────────────────────────────────── */

.search-results-box {
  margin: 0 0 0.5rem;
  padding: 0.25rem 0.5rem 0.75rem;

  background-color: var(--background-color-secondary);
  border: 4px solid var(--background-color-secondary);
  border-radius: 1.5rem;

  display: flex;
  flex-direction: column;
  gap: 0.25rem;

  flex: 1;
}

/* ── Breadcrumb ──────────────────────────────────────────── */

.search-breadcrumb {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.search-breadcrumb:not(.hidden) {
  grid-template-rows: 1fr;
}

.search-breadcrumb-inner {
  overflow: hidden;
  min-height: 0;

  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.15rem;
  flex-wrap: wrap;

  padding: 0.25rem 0.25rem 0;
}

.breadcrumb-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.1rem;

  background: none;
  border: none;
  padding: 0.2rem 0.4rem;
  border-radius: 0.5rem;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-color-accent);
  cursor: pointer;

  transition: background 0.15s ease;
}

.breadcrumb-btn:hover {
  background: color-mix(in srgb, var(--text-color-accent) 12%, transparent);
}

/* Segment that represents the current level — slightly muted but still interactive */
.breadcrumb-btn--current {
  color: color-mix(in srgb, var(--text-color-primary) 65%, transparent);
}

.breadcrumb-btn--current:hover {
  background: color-mix(in srgb, var(--text-color-primary) 8%, transparent);
}

/* Dropdown indicator chevron */
.breadcrumb-chevron {
  font-size: 0.85rem !important;
  opacity: 0.6;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.breadcrumb-btn[aria-expanded="true"] .breadcrumb-chevron {
  transform: rotate(180deg);
}

.breadcrumb-sep {
  font-size: 0.85rem;
  font-weight: 600;
  color: color-mix(in srgb, var(--text-color-primary) 30%, transparent);
  user-select: none;
  padding: 0 0.1rem;
}

/* ── Breadcrumb dropdown ──────────────────────────────────── */

@keyframes dropdown-appear {
  from {
    opacity: 0;
    transform: translateY(-6px) scale(0.97);
    filter: blur(2px);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

.breadcrumb-dropdown {
  position: fixed;
  z-index: 900;

  min-width: 160px;
  max-width: 260px;
  max-height: 60dvh;
  overflow-y: auto;

  background-color: var(--background-color-secondary);
  border-radius: 0.875rem;
  box-shadow:
    0 4px 6px rgba(0, 0, 0, 0.07),
    0 12px 28px rgba(0, 0, 0, 0.14);
  border: 1px solid color-mix(in srgb, var(--text-color-primary) 8%, transparent);

  padding: 0.3rem;
  display: flex;
  flex-direction: column;
  gap: 1px;

  animation: dropdown-appear 0.18s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@supports (anchor-name: --a) {
  .breadcrumb-dropdown {
    inset: auto;
    top: anchor(bottom);
    left: anchor(left);
    margin-top: 6px;
    position-try-fallbacks: flip-block, flip-inline;
    position-visibility: anchors-visible;
  }
}

.breadcrumb-dropdown-item {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;

  width: 100%;
  padding: 0.5rem 0.6rem;
  border: none;
  border-radius: 0.5rem;
  background: none;
  cursor: pointer;
  font-family: inherit;
  text-align: start;

  transition: background 0.1s ease;
}

.breadcrumb-dropdown-item:hover {
  background: color-mix(in srgb, var(--text-color-primary) 6%, transparent);
}

.breadcrumb-dropdown-item.active {
  background: color-mix(in srgb, var(--text-color-accent) 10%, transparent);
}

.breadcrumb-dropdown-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.breadcrumb-dropdown-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-color-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.breadcrumb-dropdown-item.active .breadcrumb-dropdown-label {
  color: var(--text-color-accent);
}

.breadcrumb-dropdown-sublabel {
  font-size: 0.72rem;
  font-weight: 600;
  color: color-mix(in srgb, var(--text-color-primary) 50%, transparent);
}

.breadcrumb-dropdown-check {
  font-size: 1rem !important;
  color: var(--text-color-accent);
  flex-shrink: 0;
}

/* ── Level header ────────────────────────────────────────── */

.search-level-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;

  padding: 0.4rem 0.5rem 0.6rem;
  border-bottom: 1px solid color-mix(in srgb, var(--text-color-primary) 7%, transparent);
  margin-bottom: 0.25rem;
}

.search-level-header-icon {
  font-size: 1.1rem !important;
  color: color-mix(in srgb, var(--text-color-primary) 40%, transparent);
}

.search-level-header-text {
  font-size: 0.75rem;
  font-weight: 800;
  color: color-mix(in srgb, var(--text-color-primary) 45%, transparent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Grid ────────────────────────────────────────────────── */

.search-grid {
  display: grid;
  gap: 1rem;
  padding: 0.5rem;

  animation: appear 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.search-grid.appeared {
  animation: none;
}

/* Also disable the parent tab-content animation if it has appeared once */
:has(> .search-grid.appeared) {
  animation: none;
}

.search-grid--campus {
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

.search-grid--building {
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}

.search-grid--classroom {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

/* ── Cards ───────────────────────────────────────────────── */

.search-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-align: start;

  padding: 1.25rem;
  border-radius: 1.25rem;

  background-color: var(--background-color-secondary);
  border: 1px solid color-mix(in srgb, var(--text-color-primary) 6%, transparent);
  box-shadow: var(--shadow);
  
  position: relative;
  overflow: hidden;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), 
              box-shadow 0.2s ease,
              border-color 0.2s ease;
}

.search-card:is(button) {
  cursor: pointer;
}

.search-card:is(button):hover {
  transform: translateY(-2px);
  box-shadow: 
    0 6px 16px rgba(0, 0, 0, 0.1),
    var(--shadow);
  border-color: color-mix(in srgb, var(--text-color-accent) 30%, transparent);
}

.search-card:is(button):active {
  transform: translateY(0) scale(0.98);
}

.search-level-back-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;

  width: 2rem;
  height: 2rem;
  margin-right: 0.2rem;
  padding: 0;

  background: color-mix(in srgb, var(--text-color-primary) 6%, transparent);
  border: none;
  border-radius: 0.5rem;
  color: var(--text-color-accent);
  cursor: pointer;

  transition: background 0.15s ease, transform 0.1s ease;
}

.search-level-back-btn:hover {
  background: color-mix(in srgb, var(--text-color-accent) 12%, transparent);
}

.search-level-back-btn:active {
  transform: scale(0.92);
}

.search-level-back-btn .material-symbols-outlined {
  font-size: 1.25rem !important;
}

.search-card-header {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 0.75rem;
  flex: 1;
  min-width: 0;
}

.search-card-status {
  flex-shrink: 0;
}

.search-card-status .classroom-status-txt {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.search-card-icon-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;

  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.75rem;
  background: color-mix(in srgb, var(--text-color-accent) 10%, transparent);
  color: var(--text-color-accent);
}

.search-card-icon-wrapper .material-symbols-outlined {
  font-size: 1.5rem !important;
}

.search-card-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
}

.search-card-name {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-color-primary);
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.search-card--campus .search-card-name {
  font-size: 1.15rem;
}

.search-card-alt-name {
  font-size: 0.85em;
  font-weight: 600;
  margin-left: 0.2rem;
}

.search-card-subtitle {
  font-size: 0.8rem;
  font-weight: 700;
  opacity: 0.8;
}

.search-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.25rem;
  padding-top: 0.5rem;
  border-top: 1px solid color-mix(in srgb, var(--text-color-primary) 5%, transparent);
}

.search-card-meta {
  font-size: 0.75rem;
  font-weight: 700;
  color: color-mix(in srgb, var(--text-color-primary) 55%, transparent);
}

.search-card-meta.small {
  font-size: 0.7rem;
  font-weight: 600;
}

.search-card-meta--with-icon {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.search-card-meta-icon {
  font-size: 0.8rem !important;
  flex-shrink: 0;
  opacity: 0.8;
}

.search-card-arrow {
  font-size: 1.1rem !important;
  color: color-mix(in srgb, var(--text-color-primary) 30%, transparent);
  transition: transform 0.2s ease, color 0.2s ease;
}

.search-card:hover .search-card-arrow {
  transform: translateX(3px);
  color: var(--text-color-accent);
}

.search-card--classroom {
  gap: 0.75rem;
}

.search-card--classroom .search-card-icon-wrapper {
  width: 2rem;
  height: 2rem;
  border-radius: 0.6rem;
}

.search-card--classroom .search-card-icon-wrapper .material-symbols-outlined {
  font-size: 1.2rem !important;
}

.search-card-features {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 0.2rem;
  margin-top: 0.25rem;
}

.search-card-feature-icon {
  font-size: 1rem !important;
  color: color-mix(in srgb, var(--text-color-primary) 35%, transparent);
}

/* ── Empty / no-results state ────────────────────────────── */

.search-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 0;
  gap: 1.5rem;
  flex: 1;
}

/* ── Responsive ──────────────────────────────────────────── */

@media (max-width: 600px) {
  .search-grid {
    gap: 0.75rem;
    padding: 0.25rem;
  }

  .search-grid--campus {
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  }

  .search-grid--building {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  }

  .search-grid--classroom {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
}

/* ── Desktop ─────────────────────────────────────────────── */

@media (min-width: 1100px) {
  #search-classrooms-container.visible {
    padding: 0 2rem;
    max-width: 960px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
  }
}