/**
 * MedCourses - Search Autocomplete Styles
 * Professional AJAX search dropdown component
 */

/* ========================================
   SEARCH BOX WRAPPER
   ======================================== */
.header-search {
  position: relative;
}

.search-box {
  position: relative;
}

/* ========================================
   AUTOCOMPLETE DROPDOWN
   ======================================== */
.search-autocomplete {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  min-width: 400px;
  max-height: 480px;
  overflow-y: auto;
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow:
    0 10px 25px -5px rgba(0, 0, 0, 0.2),
    0 8px 10px -6px rgba(0, 0, 0, 0.1),
    0 0 0 1px rgba(0, 0, 0, 0.08);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition:
    opacity 0.2s ease,
    visibility 0.2s ease,
    transform 0.2s ease;
}

.search-autocomplete.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Custom Scrollbar */
.search-autocomplete::-webkit-scrollbar {
  width: 6px;
}

.search-autocomplete::-webkit-scrollbar-track {
  background: transparent;
}

.search-autocomplete::-webkit-scrollbar-thumb {
  background: var(--color-gray-300);
  border-radius: 3px;
}

.search-autocomplete::-webkit-scrollbar-thumb:hover {
  background: var(--color-gray-400);
}

/* ========================================
   SEARCH RESULTS
   ======================================== */
.search-autocomplete-results {
  padding: 8px 0;
  background: #ffffff;
}

.search-autocomplete-result {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  text-decoration: none;
  color: inherit;
  transition: background-color 0.15s ease;
  cursor: pointer;
}

.search-autocomplete-result:hover,
.search-autocomplete-result.highlighted {
  background-color: var(--color-gray-50);
}

.search-autocomplete-result.highlighted {
  background-color: var(--color-primary-50);
}

/* Thumbnail */
.search-autocomplete-thumb {
  flex-shrink: 0;
  width: 64px;
  height: 48px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-gray-100);
}

.search-autocomplete-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Content */
.search-autocomplete-content {
  flex: 1;
  min-width: 0;
}

.search-autocomplete-title {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-gray-900);
  line-height: 1.4;
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.search-autocomplete-title mark {
  background-color: var(--color-warning-light);
  color: inherit;
  padding: 0 2px;
  border-radius: 2px;
}

.search-autocomplete-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 2px;
  font-size: 0.8125rem;
  color: var(--color-gray-500);
}

.search-autocomplete-category {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  background: var(--color-gray-100);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-gray-600);
}

.search-autocomplete-price {
  font-weight: 600;
  color: var(--color-primary);
}

/* ========================================
   STATES
   ======================================== */

/* Loading State */
.search-autocomplete-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 32px 16px;
  color: var(--color-gray-500);
}

.search-autocomplete-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-gray-200);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Empty State */
.search-autocomplete-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
  text-align: center;
  color: var(--color-gray-500);
}

.search-autocomplete-empty svg {
  width: 48px;
  height: 48px;
  margin-bottom: 12px;
  opacity: 0.5;
}

.search-autocomplete-empty-title {
  font-weight: 500;
  color: var(--color-gray-700);
  margin-bottom: 4px;
}

.search-autocomplete-empty-text {
  font-size: 0.875rem;
}

/* ========================================
   FOOTER
   ======================================== */
.search-autocomplete-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--color-gray-100);
  text-align: center;
}

.search-autocomplete-footer a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.15s ease;
}

.search-autocomplete-footer a:hover {
  color: var(--color-primary-dark);
}

.search-autocomplete-footer svg {
  width: 16px;
  height: 16px;
}

/* ========================================
   KEYBOARD HINTS
   ======================================== */
.search-autocomplete-hints {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 8px 16px;
  background: var(--color-gray-50);
  border-top: 1px solid var(--color-gray-100);
  font-size: 0.75rem;
  color: var(--color-gray-500);
}

.search-autocomplete-hint {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.search-autocomplete-hint kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--color-gray-600);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
  .search-autocomplete {
    min-width: 100%;
    max-height: 60vh;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  }

  .search-autocomplete-thumb {
    width: 56px;
    height: 42px;
  }

  .search-autocomplete-title {
    font-size: 0.875rem;
  }

  .search-autocomplete-hints {
    display: none;
  }
}