/* Filter Sidebar */
.filter-backdrop {
  position: fixed;
  inset: 0;
  top: var(--header-height);
  background: rgba(0, 0, 0, 0.6);
  z-index: calc(var(--z-header) - 2);
  cursor: pointer;
}

.filter-sidebar {
  position: fixed;
  top: var(--header-height);
  right: 0;
  bottom: 0;
  width: 280px;
  background: #080808;
  border-left: 1px solid rgba(255, 255, 255, var(--opacity-faint));
  z-index: calc(var(--z-header) - 1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.3);
}

.filter-sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-md);
  border-bottom: 1px solid rgba(255, 255, 255, var(--opacity-faint));
  flex-shrink: 0;
}

.filter-sidebar-header .modal-close-icon {
  position: static;
  width: 24px;
  height: 24px;
  font-size: var(--font-size-md);
  background: transparent;
  border: none;
  /* Info floor at rest (matches the base .modal-close-icon rule) — 0.35 is the
     disabled tier and this is a primary control. */
  color: rgba(255, 255, 255, var(--opacity-tertiary));
  transition: color 0.2s ease;
}

.filter-sidebar-header .modal-close-icon:hover {
  color: rgba(255, 255, 255, var(--opacity-bright));
}

.filter-sidebar-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-label);
  color: rgba(255, 255, 255, var(--opacity-secondary));
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Male Gaze Toggle Section */
.male-gaze-toggle-section {
  padding: var(--spacing-lg);
  border-bottom: 1px solid rgba(255, 255, 255, var(--opacity-faint));
  background: transparent;
}

.male-gaze-toggle-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, var(--opacity-border));
  border: 1px solid rgba(255, 255, 255, var(--opacity-muted));
  transition: var(--transition);
  border-radius: 0;
}

.toggle-slider:before {
  position: absolute;
  content: '';
  height: 14px;
  width: 14px;
  left: 2px;
  bottom: 2px;
  background-color: var(--text-tertiary);
  transition: var(--transition);
  border-radius: 0;
}

.toggle-switch input:checked + .toggle-slider {
  background-color: rgba(255, 255, 255, var(--opacity-muted));
  border-color: var(--text-primary);
}

.toggle-switch input:checked + .toggle-slider:before {
  transform: translateX(16px);
  background-color: var(--text-primary);
}

.toggle-label {
  font-size: var(--font-size-compact);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-body);
  color: var(--text-secondary);
}

.info-button {
  background: none;
  border: none;
  color: rgba(255, 255, 255, var(--opacity-quiet));
  font-size: var(--font-size-xs);
  font-family: var(--font-family);
  cursor: pointer;
  padding: 2px;
  line-height: 1;
  transition: color var(--transition);
}

.info-button:hover {
  color: rgba(255, 255, 255, var(--opacity-tertiary));
}

.male-gaze-info {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, var(--opacity-ghost));
  border: 1px solid rgba(255, 255, 255, var(--opacity-faint));
  border-radius: 0;
  font-size: var(--font-size-sm);
  line-height: 1.55;
  color: rgba(255, 255, 255, var(--opacity-tertiary));
}

.male-gaze-info p {
  margin-bottom: var(--spacing-sm);
  text-transform: none;
}

.male-gaze-info p:last-of-type {
  margin-bottom: var(--spacing-md);
}

.male-gaze-info strong {
  color: rgba(255, 255, 255, var(--opacity-secondary));
  font-size: var(--font-size-xs);
  letter-spacing: var(--letter-spacing-label);
  text-transform: uppercase;
  font-weight: var(--font-medium);
  display: block;
  margin-bottom: var(--spacing-sm);
}

.info-close {
  display: block;
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, var(--opacity-border));
  border-radius: 0;
  color: rgba(255, 255, 255, var(--opacity-quiet));
  font-size: var(--font-size-xs);
  font-family: var(--font-family);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-nav);
  cursor: pointer;
  transition: var(--transition);
}

.info-close:hover {
  color: rgba(255, 255, 255, var(--opacity-secondary));
  border-color: rgba(255, 255, 255, var(--opacity-subtle));
  background: rgba(255, 255, 255, var(--opacity-border));
}

.modal-close-icon {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: #0a0a0a;
  border: 1px solid rgba(255, 255, 255, var(--opacity-border));
  color: rgba(255, 255, 255, var(--opacity-tertiary)); /* primary control — info floor at rest */
  font-size: var(--font-size-lg);
  line-height: 1;
  cursor: pointer;
  padding: 0;
  z-index: 10;
  width: 40px; /* one close size on desktop across all modals */
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-weight: var(--font-light);
  border-radius: var(--border-radius);
}

.modal-close-icon:hover {
  color: rgba(255, 255, 255, var(--opacity-secondary));
  border-color: rgba(255, 255, 255, var(--opacity-subtle));
}

.filter-sections {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg) var(--spacing-md);
  max-height: calc(100vh - var(--header-height) - 120px);
  scrollbar-width: none; /* Firefox */
}

.filter-sections::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
}

/* Filter Groups */
.filter-group {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid rgba(255, 255, 255, var(--opacity-border));
}

.filter-group:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.filter-group-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-semibold);
  color: rgba(255, 255, 255, var(--opacity-quiet)); /* was 0.35 — below the 0.48 meta floor */
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-nav);
  margin-bottom: var(--spacing-md);
  padding-left: 2px;
}

.filter-category {
  margin-bottom: var(--spacing-md);
}

/* Open category: its item list earns a full break before the next label —
   the between-group gap must beat the within-list gap (2:1). */
.filter-category:not(.collapsed) {
  margin-bottom: var(--spacing-lg);
}

.filter-category:last-child {
  margin-bottom: 0;
}

.filter-category.disabled {
  opacity: 0.25;
  pointer-events: none;
}

.filter-category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  margin-bottom: var(--spacing-md);
  transition: var(--transition);
}

.filter-category-header:hover .filter-category-title {
  color: rgba(255, 255, 255, var(--opacity-secondary));
}

.filter-category-title {
  font-size: var(--font-size-compact); /* matches the item size — one filter reading tier */
  font-weight: var(--font-semibold);
  color: rgba(255, 255, 255, var(--opacity-tertiary));
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-nav);
  margin: 0;
  transition: var(--transition);
}

.filter-category-count {
  font-weight: var(--font-regular);
  color: rgba(255, 255, 255, var(--opacity-quiet));
  font-size: inherit;
}

.category-toggle {
  font-size: var(--font-size-md);
  font-weight: var(--font-light);
  color: rgba(255, 255, 255, var(--opacity-quiet));
  line-height: 1;
  transition: var(--transition);
}

.filter-category-header:hover .category-toggle {
  color: rgba(255, 255, 255, var(--opacity-secondary));
}

.filter-category.collapsed .filter-items {
  display: none;
}

.filter-items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm); /* label→list breathing */
}

.filter-item {
  position: relative;
  width: 100%;
  font-family: inherit;
  padding: 6px 8px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, var(--opacity-border));
  cursor: pointer;
  transition:
    background 0.15s ease,
    border-color 0.15s ease;
  border-radius: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.filter-item:hover {
  background: rgba(255, 255, 255, var(--opacity-border));
  border-color: rgba(255, 255, 255, var(--opacity-subtle));
}

.filter-item.active {
  background: rgba(255, 255, 255, var(--opacity-border));
  border-color: rgba(255, 255, 255, var(--opacity-tertiary));
}

.filter-item-name {
  font-size: var(--font-size-compact); /* the token made for filter UI — reads, not squints */
  color: var(--text-secondary);
  letter-spacing: var(--letter-spacing-wide);
  display: block;
  line-height: 1.5;
}

.filter-item.active .filter-item-name {
  color: var(--text-primary);
}

.filter-item-count {
  font-size: var(--font-size-compact);
  color: rgba(255, 255, 255, var(--opacity-quiet));
  font-variant-numeric: tabular-nums;
  min-width: 18px;
  text-align: right;
  line-height: 1.5; /* same line-box as .filter-item-name */
}

.filter-item:hover .filter-item-count {
  color: rgba(255, 255, 255, var(--opacity-tertiary));
}

.filter-item.active .filter-item-count {
  color: rgba(255, 255, 255, var(--opacity-secondary));
}

.filter-sidebar-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, var(--opacity-faint));
  flex-shrink: 0;
}

.clear-filters {
  width: 100%;
  font-size: var(--font-size-xs);
  font-weight: var(--font-regular);
  color: rgba(255, 255, 255, var(--opacity-quiet));
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, var(--opacity-border));
  padding: var(--spacing-sm) 0;
  cursor: pointer;
  transition:
    color 0.25s ease,
    border-color 0.25s ease;
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-label);
  text-align: left;
}

.clear-filters:hover:not(:disabled) {
  color: rgba(255, 255, 255, var(--opacity-bright));
  border-color: rgba(255, 255, 255, var(--opacity-quiet));
}

.clear-filters:disabled {
  cursor: default;
  color: rgba(255, 255, 255, var(--opacity-subtle));
  border-color: rgba(255, 255, 255, var(--opacity-faint));
}