/**
 * TabNavigation Component Styles
 * 
 * Follows shadcn design patterns with a gray background and white sliding indicator.
 * Uses only var(--base-*) design tokens for utility/neutral styling.
 * 
 * Design Spec:
 * - Container: base-100 with 4px padding and 8px border radius
 * - Active Tab: white with subtle shadow, 6px border radius
 * - Inactive Tabs: transparent, base-600 text
 * - Hover: text darkens to base-900
 * - Animation: 300ms ease-out slide transition
 */

/* Tab Navigation Container */
.dc-tab-nav {
  position: relative;
  display: flex;
  gap: 4px;
  padding: 4px;
  background-color: var(--base-100);
  border-radius: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--base-300) transparent;
}

.dc-tab-nav::-webkit-scrollbar {
  height: 6px;
}

.dc-tab-nav::-webkit-scrollbar-track {
  background: transparent;
}

.dc-tab-nav::-webkit-scrollbar-thumb {
  background-color: var(--base-300);
  border-radius: 3px;
}

/* Sliding Indicator */
.dc-tab-nav__indicator {
  position: absolute;
  top: 4px;
  bottom: 4px;
  background-color: #ffffff;
  border-radius: 6px;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  transition: left 300ms ease-out, width 300ms ease-out;
  pointer-events: none;
  z-index: 0;
}

/* Tab Button — uses .dc-tab-nav scoping to beat Kadence's global button styles */
.dc-tab-nav .dc-tab-nav__tab {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.25;
  white-space: nowrap;
  color: var(--base-600);
  background: transparent;
  border: none;
  border-radius: 6px;
  box-shadow: none;
  cursor: pointer;
  transition: color 150ms ease-out;
  outline: none;
}

/* Override Kadence's button:hover/focus/active which sets
   color, background (shorthand), and box-shadow on all <button> elements */
.dc-tab-nav .dc-tab-nav__tab:hover,
.dc-tab-nav .dc-tab-nav__tab:focus,
.dc-tab-nav .dc-tab-nav__tab:active {
  color: var(--base-900);
  background: transparent;
  box-shadow: none;
}

.dc-tab-nav .dc-tab-nav__tab:focus-visible {
  outline: 2px solid var(--base-400);
  outline-offset: 2px;
}

.dc-tab-nav .dc-tab-nav__tab--active {
  color: var(--base-900);
}

/* Tab Label */
.dc-tab-nav__label {
  font-size: 14px;
  line-height: 1.25;
}

/* Count Badge */
.dc-tab-nav__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  color: var(--base-600);
  background-color: var(--base-200);
  border-radius: 9999px;
  transition: background-color 150ms ease-out, color 150ms ease-out;
}

.dc-tab-nav__badge--active {
  color: var(--base-700);
  background-color: var(--base-100);
}

/* Responsive adjustments */
@media (max-width: 640px) {
  .dc-tab-nav {
    padding: 3px;
    gap: 2px;
  }
  
  .dc-tab-nav__tab {
    padding: 6px 12px;
    font-size: 13px;
  }
  
  .dc-tab-nav__label {
    font-size: 13px;
  }
  
  .dc-tab-nav__badge {
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    font-size: 11px;
  }
  
  .dc-tab-nav__indicator {
    top: 3px;
    bottom: 3px;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .dc-tab-nav {
    border: 2px solid var(--base-700);
  }
  
  .dc-tab-nav__tab:focus-visible {
    outline-width: 3px;
  }
  
  .dc-tab-nav__indicator {
    border: 2px solid var(--base-700);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .dc-tab-nav__indicator {
    transition: none;
  }
  
  .dc-tab-nav__tab {
    transition: none;
  }
  
  .dc-tab-nav__badge {
    transition: none;
  }
}

/* Print styles - hide tabs */
@media print {
  .dc-tab-nav {
    display: none;
  }
}

/**
 * Pagination Component Styles
 * Uses only var(--base-*) design tokens.
 */

.dc-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
}

/* Previous/Next Buttons */
.dc-pagination__btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--base-700);
  background-color: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 150ms ease-out, color 150ms ease-out;
}

.dc-pagination__btn:hover:not(:disabled),
.dc-pagination__btn:active:not(:disabled) {
  background-color: var(--base-100); /* Override global button:hover from component.css */
}

.dc-pagination__btn:focus-visible {
  outline: 2px solid var(--base-400);
  outline-offset: 2px;
}

.dc-pagination__btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.dc-pagination__btn svg {
  flex-shrink: 0;
}

/* Page Numbers Container */
.dc-pagination__pages {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Page Number Button */
.dc-pagination__page {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--base-700);
  background-color: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 150ms ease-out, color 150ms ease-out;
}

.dc-pagination__page:hover,
.dc-pagination__page:active {
  background-color: var(--base-100); /* Override global button:hover */
}

.dc-pagination__page:focus-visible {
  outline: 2px solid var(--base-400);
  outline-offset: 2px;
}

.dc-pagination__page--active {
  color: var(--base-50);
  background-color: var(--base-900);
}

.dc-pagination__page--active:hover,
.dc-pagination__page--active:active {
  background-color: var(--base-800); /* Override global button:hover */
}

/* Ellipsis */
.dc-pagination__ellipsis {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-size: 14px;
  color: var(--base-500);
}

/* Responsive */
@media (max-width: 640px) {
  .dc-pagination {
    gap: 4px;
  }
  
  .dc-pagination__btn span {
    display: none;
  }
  
  .dc-pagination__btn {
    padding: 8px;
  }
  
  .dc-pagination__page {
    min-width: 32px;
    height: 32px;
    font-size: 13px;
  }
  
  .dc-pagination__ellipsis {
    width: 24px;
    height: 32px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .dc-pagination__btn,
  .dc-pagination__page {
    transition: none;
  }
}

/**
 * GridView Styles
 * 
 * Card-based grid layout for archive items.
 * Uses only var(--base-*) design tokens.
 */

.dc-grid-view {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  padding: 1rem 0;
}

/* Card */
.dc-grid-view__card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

.dc-grid-view__card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.dc-grid-view__card:focus {
  outline: 2px solid var(--base-400);
  outline-offset: 2px;
}

/* Card Image */
.dc-grid-view__card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--base-100);
  overflow: hidden;
}

.dc-grid-view__card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.dc-grid-view__card:hover .dc-grid-view__card-image img {
  transform: scale(1.05);
}

/* Placeholder */
.dc-grid-view__card-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: linear-gradient(135deg, var(--base-100), var(--base-200));
  color: var(--base-400);
}

/* Card Content */
.dc-grid-view__card-content {
  padding: 1rem 1.25rem 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.dc-grid-view__card-title {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 0.5rem 0;
  color: var(--base-900);
}

.dc-grid-view__card-excerpt {
  font-size: 0.875rem;
  color: var(--base-500);
  line-height: 1.5;
  margin: 0 0 0.75rem 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Meta */
.dc-grid-view__card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-size: 0.8125rem;
  color: var(--base-500);
  margin-top: auto;
}

.dc-grid-view__meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* Tags */
.dc-grid-view__card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.dc-grid-view__card-tag {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  background: var(--base-100);
  color: var(--base-700);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* Empty State */
.dc-grid-view__empty {
  padding: 4rem 2rem;
  text-align: center;
  color: var(--base-500);
}

.dc-grid-view__empty-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.dc-grid-view__empty-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 0.5rem 0;
  color: var(--base-900);
}

.dc-grid-view__empty-message {
  margin: 0;
  font-size: 0.9375rem;
}

/* Responsive */
@media (max-width: 640px) {
  .dc-grid-view {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .dc-grid-view__card-image {
    aspect-ratio: 16 / 10;
  }
}

@media (min-width: 1200px) {
  .dc-grid-view {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  }
}

/**
 * ListView Component Styles
 * Uses only var(--base-*) design tokens.
 */

.dc-list-view {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* List Item */
.dc-list-view__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background-color: var(--base-50);
  border: 1px solid var(--base-200);
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: border-color 150ms ease-out, background-color 150ms ease-out;
}

.dc-list-view__item:hover {
  border-color: var(--base-300);
  background-color: #ffffff;
}

.dc-list-view__item:focus-visible {
  outline: 2px solid var(--base-400);
  outline-offset: 2px;
}

/* Item Title */
.dc-list-view__item-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--base-900);
}

/* Item Count */
.dc-list-view__item-count {
  font-size: 14px;
  color: var(--base-600);
}

/* Empty State */
.dc-list-view__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 24px;
  text-align: center;
  color: var(--base-500);
}

.dc-list-view__empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.dc-list-view__empty-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--base-900);
  margin: 0;
}

/* Responsive */
@media (max-width: 640px) {
  .dc-list-view {
    gap: 8px;
  }
  
  .dc-list-view__item {
    padding: 12px 16px;
  }
  
  .dc-list-view__item-title {
    font-size: 14px;
  }
  
  .dc-list-view__item-count {
    font-size: 13px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .dc-list-view__item {
    transition: none;
  }
}

/**
 * SearchView Component Styles
 * Uses only var(--base-*) design tokens.
 */

.dc-search-view {
  max-width: 672px;
  margin: 0 auto;
}

/* Search Form */
.dc-search-view__form {
  margin-bottom: 16px;
}

.dc-search-view__input-wrapper {
  position: relative;
}

.dc-search-view__icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--base-400);
  pointer-events: none;
}

.dc-search-view__input {
  width: 100%;
  padding: 16px 20px 16px 48px;
  font-size: 16px;
  color: var(--base-900);
  background-color: #ffffff;
  border: 2px solid var(--base-200);
  border-radius: 8px;
  transition: border-color 150ms ease-out, box-shadow 150ms ease-out;
}

.dc-search-view__input::placeholder {
  color: var(--base-400);
}

.dc-search-view__input:focus {
  outline: none;
  border-color: var(--base-500);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

/* Filter Chips */
.dc-search-view__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.dc-search-view__filter {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--base-700);
  background-color: var(--base-100);
  border: 1px solid var(--base-200);
  border-radius: 9999px;
  cursor: pointer;
  transition: all 150ms ease-out;
}

.dc-search-view__filter:hover,
.dc-search-view__filter:active {
  background-color: var(--base-200); /* Override global button:hover */
}

.dc-search-view__filter--active {
  color: var(--base-50);
  background-color: var(--base-900);
  border-color: var(--base-900);
}

.dc-search-view__filter--active:hover,
.dc-search-view__filter--active:active {
  background-color: var(--base-800); /* Override global button:hover */
  border-color: var(--base-800);
}

.dc-search-view__filter:focus-visible {
  outline: 2px solid var(--base-400);
  outline-offset: 2px;
}

/* Results */
.dc-search-view__results {
  min-height: 200px;
}

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

.dc-search-view__spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--base-200);
  border-top-color: var(--base-700);
  border-radius: 50%;
  animation: dc-spin 1s linear infinite;
}

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

/* No Results */
.dc-search-view__no-results {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 48px 24px;
  text-align: center;
  color: var(--base-500);
}

.dc-search-view__no-results-icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.6;
}

.dc-search-view__no-results p {
  margin: 0;
  font-size: 15px;
}

/* Prompt */
.dc-search-view__prompt {
  padding: 48px 24px;
  text-align: center;
  color: var(--base-500);
}

.dc-search-view__prompt p {
  margin: 0;
  font-size: 15px;
}

/* Results List */
.dc-search-view__list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.dc-search-view__result {
  display: block;
  padding: 16px;
  background-color: var(--base-50);
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  transition: background-color 150ms ease-out;
}

.dc-search-view__result:hover {
  background-color: var(--base-100);
}

.dc-search-view__result:focus-visible {
  outline: 2px solid var(--base-400);
  outline-offset: 2px;
}

.dc-search-view__result-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--base-900);
  margin: 0 0 4px 0;
}

.dc-search-view__result-excerpt {
  font-size: 14px;
  color: var(--base-600);
  margin: 0;
  line-height: 1.5;
}

/* Responsive */
@media (max-width: 640px) {
  .dc-search-view__input {
    padding: 12px 16px 12px 44px;
    font-size: 15px;
  }
  
  .dc-search-view__icon {
    left: 14px;
    width: 18px;
    height: 18px;
  }
  
  .dc-search-view__filters {
    gap: 8px;
  }
  
  .dc-search-view__filter {
    padding: 6px 12px;
    font-size: 13px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .dc-search-view__input {
    transition: none;
  }
  
  .dc-search-view__filter {
    transition: none;
  }
  
  .dc-search-view__result {
    transition: none;
  }
  
  .dc-search-view__spinner {
    animation: none;
  }
}

/**
 * TabPanel Component Styles
 * Uses only var(--base-*) design tokens.
 */

.dc-tab-panel {
  animation: dc-fadeIn 250ms ease-out;
}

@keyframes dc-fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Error State */
.dc-tab-panel__error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 24px;
  text-align: center;
  color: var(--base-500);
}

.dc-tab-panel__error-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.dc-tab-panel__error-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--base-900);
  margin: 0 0 8px 0;
}

.dc-tab-panel__error-message {
  font-size: 14px;
  color: var(--base-500);
  margin: 0 0 16px 0;
}

.dc-tab-panel__retry-btn {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--base-50);
  background-color: var(--base-900);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 150ms ease-out;
}

.dc-tab-panel__retry-btn:hover,
.dc-tab-panel__retry-btn:active {
  background-color: var(--base-800); /* Override global button:hover */
}

.dc-tab-panel__retry-btn:focus-visible {
  outline: 2px solid var(--base-400);
  outline-offset: 2px;
}

/* Placeholder for future views */
.dc-tab-panel__placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 64px 24px;
  text-align: center;
  color: var(--base-500);
  background-color: var(--base-50);
  border-radius: 8px;
  border: 2px dashed var(--base-200);
}

/* Loading Skeleton */
.dc-tab-panel__skeleton {
  animation: dc-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes dc-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.dc-tab-panel__skeleton--grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.dc-tab-panel__skeleton--list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.dc-tab-panel__skeleton-item {
  background-color: var(--base-100);
  border-radius: 8px;
}

.dc-tab-panel__skeleton-item--grid {
  height: 160px;
}

.dc-tab-panel__skeleton-item--list {
  height: 64px;
}

/* Responsive skeleton */
@media (max-width: 1024px) {
  .dc-tab-panel__skeleton--grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .dc-tab-panel__skeleton--grid {
    grid-template-columns: 1fr;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .dc-tab-panel {
    animation: none;
  }
  
  .dc-tab-panel__skeleton {
    animation: none;
  }
}

/**
 * ArchivePage Component Styles
 * Uses only var(--base-*) design tokens.
 */

.dc-archive-page {
  width: 100%;
}

/* Navigation Area */
.dc-archive-page__nav {
  margin-bottom: 32px;
}

/* Content Area */
.dc-archive-page__content {
  min-height: 200px;
}

/* Loading State */
.dc-archive-page--loading {
  animation: dc-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes dc-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.dc-archive-page__skeleton-tabs {
  height: 48px;
  background-color: var(--base-100);
  border-radius: 8px;
  margin-bottom: 32px;
}

.dc-archive-page__skeleton-content {
  height: 256px;
  background-color: var(--base-50);
  border-radius: 8px;
}

/* Error State */
.dc-archive-page--error {
  padding: 48px 24px;
  text-align: center;
}

.dc-archive-page__error {
  max-width: 400px;
  margin: 0 auto;
}

.dc-archive-page__error p {
  color: var(--base-500);
  margin: 0 0 16px 0;
}

.dc-archive-page__retry-btn {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--base-50);
  background-color: var(--base-900);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 150ms ease-out;
}

.dc-archive-page__retry-btn:hover,
.dc-archive-page__retry-btn:focus,
.dc-archive-page__retry-btn:active {
  background: var(--base-800);
  box-shadow: none;
}

.dc-archive-page__retry-btn:focus-visible {
  outline: 2px solid var(--base-400);
  outline-offset: 2px;
}

/* Empty State */
.dc-archive-page--empty {
  padding: 48px 24px;
  text-align: center;
  color: var(--base-500);
}

/* Responsive */
@media (max-width: 640px) {
  .dc-archive-page__nav {
    margin-bottom: 24px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .dc-archive-page--loading {
    animation: none;
  }
  
  .dc-archive-page__retry-btn {
    transition: none;
  }
}

/**
 * TabSwitcher Component Styles
 */

.dc-tab-switcher {
  width: 100%;
}

.dc-tab-switcher__nav {
  margin-bottom: 24px;
}

.dc-tab-switcher__content {
  min-height: 100px;
}

/* Panel fade-in animation */
.dc-tab-switcher__content [role="tabpanel"][aria-hidden="false"] {
  animation: dc-tab-switcher-fade 200ms ease-out;
}

@keyframes dc-tab-switcher-fade {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .dc-tab-switcher__content [role="tabpanel"] {
    animation: none !important;
  }
}