/* ==========================================================================
   Filter UI Styles
   Catalog navigation and filtering interface
   ========================================================================== */

/* Filter Section Container */
.filter-section {
  background: var(--color-surface, #FDFBF7);
  border-bottom: 1px solid var(--color-border, #E8E4DD);
  padding: 1.5rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.filter-section .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Search Box */
.search-box {
  position: relative;
  margin-bottom: 1rem;
}

.search-box__input {
  width: 100%;
  padding: 0.875rem 1rem 0.875rem 2.75rem;
  font-size: 1rem;
  font-family: inherit;
  border: 2px solid var(--color-border, #E8E4DD);
  border-radius: var(--radius-md, 8px);
  background: white;
  color: var(--color-text, #2D3436);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-box__input:focus {
  outline: none;
  border-color: var(--color-primary, #4A7C8C);
  box-shadow: 0 0 0 3px rgba(74, 124, 140, 0.15);
}

.search-box__input::placeholder {
  color: var(--color-text-secondary, #636E72);
}

.search-box__icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-secondary, #636E72);
  pointer-events: none;
}

.search-box__clear {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-text-secondary, #636E72);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.search-box__clear:hover {
  background: var(--color-border, #E8E4DD);
  color: var(--color-text, #2D3436);
}

.search-box__clear:focus {
  outline: 2px solid var(--color-primary, #4A7C8C);
  outline-offset: 2px;
}

/* Filter Group */
.filter-group {
  margin-bottom: 1rem;
}

.filter-group__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text, #2D3436);
  margin-bottom: 0.5rem;
  display: block;
}

/* Filter Pills */
.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: inherit;
  color: var(--color-text-secondary, #636E72);
  background: white;
  border: 1px solid var(--color-border, #E8E4DD);
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.filter-pill:hover {
  border-color: var(--color-primary, #4A7C8C);
  color: var(--color-primary, #4A7C8C);
}

.filter-pill:focus {
  outline: 2px solid var(--color-primary, #4A7C8C);
  outline-offset: 2px;
}

.filter-pill[aria-pressed="true"],
.filter-pill--active {
  background: var(--color-primary, #4A7C8C);
  border-color: var(--color-primary, #4A7C8C);
  color: white;
  box-shadow: 0 2px 8px rgba(74, 124, 140, 0.25);
}

.filter-pill[aria-pressed="true"]:hover,
.filter-pill--active:hover {
  background: var(--color-primary-dark, #3D6673);
  border-color: var(--color-primary-dark, #3D6673);
  color: white;
}

.filter-pill__icon {
  font-size: 1rem;
}

/* Results Count */
.results-count {
  font-size: 0.875rem;
  color: var(--color-text-secondary, #636E72);
  padding-top: 0.5rem;
  border-top: 1px solid var(--color-border, #E8E4DD);
}

.results-count__number {
  font-weight: 600;
  color: var(--color-text, #2D3436);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  background: var(--color-surface, #FDFBF7);
  border-radius: var(--radius-lg, 12px);
  margin: 2rem 0;
}

.empty-state__icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.empty-state__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text, #2D3436);
  margin-bottom: 0.5rem;
}

.empty-state__message {
  color: var(--color-text-secondary, #636E72);
  margin-bottom: 1.5rem;
}

.empty-state__reset {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: inherit;
  color: var(--color-primary, #4A7C8C);
  background: white;
  border: 2px solid var(--color-primary, #4A7C8C);
  border-radius: var(--radius-md, 8px);
  cursor: pointer;
  transition: all 0.2s ease;
}

.empty-state__reset:hover {
  background: var(--color-primary, #4A7C8C);
  color: white;
}

.empty-state__reset:focus {
  outline: 2px solid var(--color-primary, #4A7C8C);
  outline-offset: 2px;
}

/* Emotional Indicator Badge (on cards) */
.emotional-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 100px;
  background: linear-gradient(90deg,
    rgba(74, 124, 140, 0.15) 0%,
    rgba(200, 150, 100, 0.15) 100%
  );
  color: var(--color-text-secondary, #636E72);
}

.emotional-badge--capturing {
  background: rgba(74, 124, 140, 0.15);
  color: var(--color-primary, #4A7C8C);
}

.emotional-badge--pushing {
  background: rgba(200, 150, 100, 0.15);
  color: #9B6B4A;
}

.emotional-badge--balanced {
  background: rgba(155, 139, 126, 0.15);
  color: var(--color-text-secondary, #636E72);
}

/* Best For Tag (on cards) */
.best-for {
  font-size: 0.8125rem;
  color: var(--color-text-secondary, #636E72);
  font-style: italic;
  margin-top: 0.5rem;
  line-height: 1.4;
}

.best-for::before {
  content: "Best for: ";
  font-weight: 600;
  font-style: normal;
  color: var(--color-text, #2D3436);
}

/* Category Tag (on cards) */
.category-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 4px;
  background: var(--color-surface, #FDFBF7);
  color: var(--color-text-secondary, #636E72);
  border: 1px solid var(--color-border, #E8E4DD);
}

/* Card Filtering Transitions */
.catalog-card {
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.catalog-card[hidden] {
  display: none;
}

.catalog-card--filtered-out {
  opacity: 0;
  transform: scale(0.95);
  pointer-events: none;
}

/* Responsive Design */
@media (max-width: 768px) {
  .filter-section {
    padding: 1rem 0;
  }

  .filter-pills {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 0.5rem;
    margin: 0 -1.5rem;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .filter-pills::-webkit-scrollbar {
    display: none;
  }

  .filter-pill {
    flex-shrink: 0;
  }

  .search-box__input {
    font-size: 16px; /* Prevent iOS zoom */
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .catalog-card,
  .filter-pill,
  .search-box__input,
  .search-box__clear,
  .empty-state__reset {
    transition: none;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .filter-pill {
    border-width: 2px;
  }

  .filter-pill[aria-pressed="true"] {
    outline: 2px solid currentColor;
    outline-offset: 2px;
  }

  .search-box__input {
    border-width: 3px;
  }
}

/* Focus-visible for keyboard users */
.filter-pill:focus-visible {
  outline: 3px solid var(--color-primary, #4A7C8C);
  outline-offset: 2px;
}

.search-box__input:focus-visible {
  outline: 3px solid var(--color-primary, #4A7C8C);
  outline-offset: 2px;
}