/* Site Search - Meadow Math
 * Shared by the home page search block (index.html) and the results page (search.html).
 */

/* ========== Search form (home + results page) ========== */

.search-block {
  max-width: 720px;
  margin: 0 auto var(--space-10);
  padding: var(--space-5) var(--space-6);
  background: var(--color-bg-card);
  border-radius: var(--radius-2xl);
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.08), 0 6px 16px rgba(0, 0, 0, 0.06);
}

.search-block-label {
  display: block;
  font-family: var(--font-secondary);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary-dark);
  margin-bottom: var(--space-3);
}

.search-field {
  display: flex;
  gap: var(--space-3);
  align-items: stretch;
}

.search-input-wrap {
  position: relative;
  flex: 1;
  min-width: 0;
}

.search-input-icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--text-lg);
  pointer-events: none;
}

.search-input {
  width: 100%;
  min-height: 52px;
  padding: var(--space-3) var(--space-4) var(--space-3) 48px;
  font-family: var(--font-primary);
  font-size: var(--text-lg);
  color: var(--color-text-dark);
  background: var(--color-neutral-100);
  border: 2px solid var(--color-neutral-300);
  border-radius: var(--radius-full);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.search-input::placeholder {
  color: var(--color-neutral-500);
}

.search-input:hover {
  border-color: var(--color-neutral-400);
}

.search-input:focus {
  outline: none;
  background: var(--color-bg-card);
  border-color: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.25);
}

.search-button {
  min-height: 52px;
  padding: 0 var(--space-6);
  font-family: var(--font-primary);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: #fff;
  background: linear-gradient(180deg, #22c55e 0%, #16a34a 100%);
  border: none;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 0 #15803d;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.1s ease, box-shadow 0.1s ease, filter 0.2s ease;
}

.search-button:hover {
  filter: brightness(1.05);
}

.search-button:active {
  transform: translateY(3px);
  box-shadow: 0 1px 0 #15803d;
}

.search-button:focus-visible {
  outline: 3px solid var(--color-primary-dark);
  outline-offset: 3px;
}

.search-hint {
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
}

/* ========== Results page ========== */

.search-page {
  max-width: 900px;
  margin: 0 auto;
}

.search-page-title {
  text-align: center;
  font-family: var(--font-secondary);
  font-size: var(--text-4xl);
  font-weight: var(--weight-extrabold);
  color: var(--color-primary-dark);
  margin-bottom: var(--space-2);
}

.search-page-subtitle {
  text-align: center;
  font-size: var(--text-lg);
  color: var(--color-neutral-600);
  margin-bottom: var(--space-6);
}

.search-page .search-block {
  margin-bottom: var(--space-6);
}

/* Grade filter chips */
.search-filters {
  margin-bottom: var(--space-5);
}

.search-filters[hidden] {
  display: none;
}

.search-filters-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-neutral-600);
  margin-bottom: var(--space-2);
}

.search-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.search-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  min-height: 40px;
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-primary-dark);
  background: var(--color-bg-card);
  border: 2px solid var(--color-neutral-300);
  border-radius: var(--radius-full);
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.search-chip:hover {
  border-color: #22c55e;
}

.search-chip:focus-visible {
  outline: 3px solid var(--color-primary-dark);
  outline-offset: 2px;
}

.search-chip[aria-pressed="true"] {
  color: #fff;
  background: #16a34a;
  border-color: #16a34a;
}

/* Status line */
.search-status {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-primary-dark);
  margin-bottom: var(--space-4);
}

.search-status:empty {
  display: none;
}

/* Result list */
.search-results {
  display: grid;
  gap: var(--space-3);
  list-style: none;
  padding: 0;
  margin: 0;
}

.search-result-link {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-4) var(--space-5);
  background: var(--color-bg-card);
  border: 2px solid transparent;
  border-radius: var(--radius-xl);
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.05);
  color: inherit;
  text-decoration: none;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.search-result-link:hover {
  transform: translateY(-2px);
  border-color: #86efac;
  box-shadow: 0 5px 0 rgba(0, 0, 0, 0.06), 0 8px 16px rgba(0, 0, 0, 0.08);
}

.search-result-link:focus-visible {
  outline: 3px solid var(--color-primary-dark);
  outline-offset: 2px;
}

.search-result-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
}

.search-result-body {
  flex: 1;
  min-width: 0;
}

.search-result-title {
  font-family: var(--font-secondary);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary-dark);
  margin-bottom: var(--space-1);
}

.search-result-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-neutral-600);
  margin-bottom: var(--space-1);
}

.search-result-desc {
  margin: 0;
  font-size: var(--text-base);
  color: var(--color-neutral-700);
  line-height: var(--leading-normal);
}

.search-result mark {
  background: #fef08a;
  color: inherit;
  border-radius: 3px;
  padding: 0 2px;
}

/* Grade badges (colors echo the region cards on the home page) */
.search-badge {
  display: inline-block;
  padding: 2px var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  border-radius: var(--radius-full);
  background: var(--color-neutral-200);
  color: var(--color-neutral-800);
}

.search-badge[data-section="number-friends"] { background: #fde68a; color: #78350f; }
.search-badge[data-section="prek"] { background: #fbcfe8; color: #831843; }
.search-badge[data-section="kinder"] { background: #a7f3d0; color: #065f46; }
.search-badge[data-section="grade1"] { background: #fef08a; color: #713f12; }
.search-badge[data-section="grade2"] { background: #bfdbfe; color: #1e3a8a; }
.search-badge[data-section="grade3"] { background: #ddd6fe; color: #4c1d95; }
.search-badge[data-section="grade4"] { background: #fed7aa; color: #7c2d12; }
.search-badge[data-section="grade5"] { background: #fecaca; color: #7f1d1d; }
.search-badge[data-section="tools"] { background: #e2e8f0; color: #1e293b; }

.search-more {
  display: block;
  margin: var(--space-5) auto 0;
}

.search-more[hidden] {
  display: none;
}

/* Related results */
.search-related {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 2px dashed rgba(0, 0, 0, 0.1);
}

.search-section-title {
  font-family: var(--font-secondary);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary-dark);
  margin-bottom: var(--space-2);
}

.search-section-hint {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

/* Help panel: empty query / no results */
.search-help {
  display: grid;
  gap: var(--space-6);
  padding: var(--space-6);
  background: var(--color-bg-card);
  border-radius: var(--radius-2xl);
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.05);
}

.search-help-message {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-primary-dark);
}

.search-help-message:empty {
  display: none;
}

.search-tips {
  padding-left: var(--space-5);
  list-style: disc;
  color: var(--color-neutral-700);
  line-height: var(--leading-relaxed);
}

.search-help .search-section-title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

.search-message {
  padding: var(--space-6);
  text-align: center;
  color: var(--color-neutral-600);
}

.search-message[hidden],
.search-help[hidden],
.search-related[hidden] {
  display: none;
}

/* ========== Responsive ========== */

@media (max-width: 767px) {
  .search-block {
    padding: var(--space-4);
    margin-bottom: var(--space-8);
  }

  .search-block-label {
    font-size: var(--text-lg);
  }

  .search-input,
  .search-button {
    min-height: 48px;
    font-size: var(--text-base);
  }

  .search-button {
    padding: 0 var(--space-4);
  }

  .search-page-title {
    font-size: var(--text-3xl);
  }

  .search-result-link {
    padding: var(--space-3) var(--space-4);
    gap: var(--space-3);
  }

  .search-result-icon {
    width: 44px;
    height: 44px;
    font-size: 26px;
  }

  .search-result-title {
    font-size: var(--text-lg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .search-result-link,
  .search-input,
  .search-button {
    transition: none;
  }

  .search-result-link:hover {
    transform: none;
  }
}