/* =========================================================
   AI Hub — Resources page additions
   File: student/css/resources.css
   Additive only: the approved style.css is not replaced.
   ========================================================= */

.resources-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.resource-filter-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
}

.resource-filter-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 39px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  transition:
    background var(--transition),
    color var(--transition),
    border-color var(--transition),
    transform var(--transition);
}

.resource-filter-button > i {
  font-size: 15px;
}

.resource-filter-button:hover {
  border-color: var(--primary-border);
  background: var(--surface-soft);
  color: var(--primary);
}

.resource-filter-button:active {
  transform: scale(0.98);
}

.resource-filter-button[aria-pressed="true"] {
  border-color: var(--primary-border);
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 700;
}

.resource-results-count {
  margin: 0;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.resource-search-hint {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 0 0 14px;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.8;
}

.resource-search-hint > i {
  flex-shrink: 0;
  margin-top: 4px;
  color: var(--primary);
}

.resource-no-results {
  margin-top: 10px;
}

.resource-reset-button {
  margin-top: 10px;
  font-size: 12px;
}

#allResourceCards > .resource-card[hidden] {
  display: none !important;
}

@media (max-width: 768px) {
  .resources-toolbar {
    align-items: flex-start;
    gap: 10px;
  }

  .resource-filter-group {
    width: 100%;
    gap: 7px;
  }

  .resource-filter-button {
    flex: 1 1 calc(50% - 7px);
    padding-inline: 9px;
  }

  .resource-results-count {
    padding-inline: 2px;
  }
}

@media (max-width: 380px) {
  .resource-filter-button {
    font-size: 11px;
  }
}

/* Hide search containers when none of their items match the current query. */
.search-no-results {
  display: none !important;
}