/* ===================================================
   Search Results Page
   =================================================== */

/* Header */
.search-header {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 2rem 0.5rem;
}

.search-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.25rem;
}

.search-title i {
  color: var(--accent);
}

.search-keyword-display {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.search-count {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.search-filter-badge {
  font-size: 0.75rem;
  color: var(--accent);
  background: var(--accent-bg, rgba(99, 102, 241, 0.1));
  padding: 0.125rem 0.5rem;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* Inline search form */
.search-inline-form {
  max-width: 600px;
  margin-top: 0.75rem;
}

.search-inline-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-inline-icon {
  position: absolute;
  left: 0.75rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  pointer-events: none;
}

.search-inline-input {
  width: 100%;
  padding: 0.5rem 0.75rem 0.5rem 2.25rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--input-bg, var(--card-bg));
  color: var(--text-primary);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s;
}

.search-inline-input:focus {
  border-color: var(--accent);
}

/* === Filter Toggle Button === */
.search-filter-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: 0.5rem;
  padding: 0.375rem 0.75rem;
  border: none;
  background: none;
  color: var(--text-secondary);
  font-size: 0.8125rem;
  cursor: pointer;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}

.search-filter-toggle:hover {
  background: var(--hover-bg, rgba(0, 0, 0, 0.05));
  color: var(--text-primary);
}

.search-filter-chevron {
  font-size: 0.625rem;
  transition: transform 0.2s;
}

.search-filter-panel.open ~ .search-filter-toggle .search-filter-chevron,
.search-filter-toggle:has(~ .search-filter-panel.open) .search-filter-chevron {
  transform: rotate(180deg);
}

/* === Filter Panel === */
.search-filter-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease, padding 0.25s ease, opacity 0.2s ease;
  opacity: 0;
  margin-top: 0;
  border: 1px solid transparent;
  border-radius: 10px;
}

.search-filter-panel.open {
  max-height: 400px;
  opacity: 1;
  margin-top: 0.75rem;
  padding: 1rem;
  border-color: var(--border-color);
  background: var(--card-bg);
}

/* Filter group */
.search-filter-group {
  margin-bottom: 0.75rem;
}

.search-filter-group:last-of-type {
  margin-bottom: 0;
}

.search-filter-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.375rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.search-filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

/* Filter chip */
.search-filter-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
  user-select: none;
}

.search-filter-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.search-filter-chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* visually-hidden (for radio/checkbox) */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Filter actions */
.search-filter-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-color);
}

.search-filter-apply {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 1rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}

.search-filter-apply:hover {
  opacity: 0.9;
}

.search-filter-clear {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

.search-filter-clear:hover {
  color: var(--text-secondary);
}

/* Content section */
.search-content-section {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.75rem 2rem;
}

/* Empty guide */
.search-empty-guide {
  text-align: center;
  padding: 4rem 2rem;
}

/* No results */
.search-no-results {
  text-align: center;
  padding: 4rem 2rem;
}

/* Suggestion (「もしかして」) */
.search-suggestion {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.search-suggestion i {
  color: var(--accent);
  flex-shrink: 0;
}

.search-suggestion a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.search-suggestion a:hover {
  text-decoration: underline;
}

/* Pagination preparing */
.search-pagination-preparing {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.search-pagination-preparing i {
  margin-right: 0.375rem;
}

/* === Responsive === */
@media (max-width: 768px) {
  .search-header {
    padding: 1rem 1rem 0.5rem;
  }

  .search-content-section {
    padding: 1.25rem 1rem;
  }

  .search-title {
    font-size: 1.25rem;
  }

  .search-inline-form {
    max-width: 100%;
  }

  .search-empty-guide,
  .search-no-results {
    padding: 3rem 1rem;
  }

  .search-filter-panel.open {
    padding: 0.75rem;
  }

  .search-filter-chip {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
  }
}