/**
 * Theme-Specific Styles for noviCEV
 * Handles dark/light mode component styling
 * 
 * @author noviCEV Team
 * @version 1.0.0
 */

/* ====================================================================
   THEME TOGGLE COMPONENT
   ==================================================================== */

/* Theme dropdown button */
#themeDropdown {
  padding: var(--space-2) var(--space-3);
  color: var(--navbar-text);
  text-decoration: none;
  border: none;
}

#themeDropdown:hover {
  background-color: var(--color-primary-50);
  color: var(--color-primary-600);
}

[data-bs-theme="dark"] #themeDropdown:hover {
  background-color: var(--color-primary-800);
  color: var(--color-primary-200);
}

#themeDropdown .bi {
  font-size: 1.25rem;
}

/* Theme dropdown menu */
.dropdown-item[data-theme-value] {
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.dropdown-item[data-theme-value].active {
  background-color: var(--color-primary-50);
  color: var(--color-primary-600);
  font-weight: 500;
}

[data-bs-theme="dark"] .dropdown-item[data-theme-value].active {
  background-color: var(--color-primary-800);
  color: var(--color-primary-200);
}

.dropdown-item[data-theme-value] .bi {
  width: 1.25rem;
  text-align: center;
}

/* ====================================================================
   BODY & LAYOUT
   ==================================================================== */

body {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* ====================================================================
   NAVBAR
   ==================================================================== */

.navbar {
  background-color: var(--navbar-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.navbar.scrolled {
  background-color: var(--navbar-bg-scrolled);
}

.navbar-brand {
  color: var(--color-primary-500);
}

.navbar-nav .nav-link {
  color: var(--navbar-text);
}

.navbar-nav .nav-link:hover {
  background-color: var(--color-primary-50);
  color: var(--color-primary-600);
}

[data-bs-theme="dark"] .navbar-nav .nav-link:hover {
  background-color: var(--color-primary-800);
  color: var(--color-primary-200);
}

.navbar-nav .nav-link.active {
  background-color: var(--color-primary-50);
  color: var(--color-primary-600);
}

[data-bs-theme="dark"] .navbar-nav .nav-link.active {
  background-color: var(--color-primary-800);
  color: var(--color-primary-200);
}

/* Mobile navbar collapse */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
  }
}

.navbar-toggler {
  border-color: var(--border-color);
}

.navbar-toggler:hover {
  background-color: var(--bg-tertiary);
}

.navbar-toggler-icon {
  filter: var(--bs-navbar-toggler-icon-filter, none);
}

[data-bs-theme="dark"] .navbar-toggler-icon {
  filter: invert(1);
}

/* ====================================================================
   CARDS
   ==================================================================== */

.card {
  background-color: var(--card-bg);
  border-color: var(--border-color);
  color: var(--text-primary);
}

[data-bs-theme="dark"] .news-card {
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

[data-bs-theme="dark"] .news-card:hover {
  border-color: var(--color-neutral-600);
}

.card-header {
  background-color: var(--bg-tertiary);
  border-bottom-color: var(--border-color);
  color: var(--text-primary);
}

.card-footer {
  background-color: var(--bg-tertiary);
  border-top-color: var(--border-color);
  color: var(--text-secondary);
}

/* ====================================================================
   NEWS CARDS (Specific to noviCEV)
   ==================================================================== */

.news-card {
  background-color: var(--card-bg);
  border-color: var(--border-color);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.news-card:hover {
  box-shadow: var(--shadow-lg);
}

.news-card img {
  transition: opacity var(--transition-fast);
}

[data-bs-theme="dark"] .news-card img {
  opacity: 0.92;
}

[data-bs-theme="dark"] .news-card:hover img {
  opacity: 1;
}

.news-card .card-title a {
  color: var(--text-primary);
}

.news-card .card-title a:hover {
  color: var(--color-primary-500);
}

.news-card .text-muted {
  color: var(--text-muted) !important;
}

/* ====================================================================
   BUTTONS
   ==================================================================== */

.btn-outline-secondary {
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-outline-secondary:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

/* ====================================================================
   FORMS & INPUTS
   ==================================================================== */

.form-control,
.form-select {
  background-color: var(--input-bg);
  border-color: var(--input-border);
  color: var(--text-primary);
}

.form-control:focus,
.form-select:focus {
  background-color: var(--input-bg);
  border-color: var(--color-primary-400);
  color: var(--text-primary);
  box-shadow: 0 0 0 0.25rem rgba(30, 148, 131, 0.25);
}

.form-control::placeholder {
  color: var(--text-muted);
}

/* ====================================================================
   MODALS
   ==================================================================== */

.modal-content {
  background-color: var(--modal-bg);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.modal-header {
  border-bottom-color: var(--border-color);
}

.modal-footer {
  border-top-color: var(--border-color);
}

.modal-header .btn-close {
  filter: var(--bs-btn-close-filter, none);
}

[data-bs-theme="dark"] .modal-header .btn-close {
  filter: invert(1) grayscale(100%) brightness(200%);
}

/* ====================================================================
   DROPDOWNS
   ==================================================================== */

.dropdown-menu {
  background-color: var(--dropdown-bg);
  border-color: var(--border-color);
}

.dropdown-item {
  color: var(--text-primary);
}

.dropdown-item:hover,
.dropdown-item:focus {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.dropdown-divider {
  border-top-color: var(--border-color);
}

/* ====================================================================
   ALERTS
   ==================================================================== */

.alert {
  border-color: var(--border-color);
}

/* ====================================================================
   BADGES
   ==================================================================== */

.badge {
  /* Bias badges have their own colors defined in bias-badges.css */
  /* This ensures they remain readable in dark mode */
}

/* ====================================================================
   BORDERS & DIVIDERS
   ==================================================================== */

.border,
.border-top,
.border-end,
.border-bottom,
.border-start {
  border-color: var(--border-color) !important;
}

hr {
  color: var(--border-color);
  opacity: 1;
}

/* ====================================================================
   TEXT UTILITIES
   ==================================================================== */

.text-muted {
  color: var(--text-muted) !important;
}

.text-body {
  color: var(--text-primary) !important;
}

.text-secondary {
  color: var(--text-secondary) !important;
}

/* ====================================================================
   LINKS
   ==================================================================== */

a {
  color: var(--color-primary-500);
}

a:hover {
  color: var(--color-primary-600);
}

[data-bs-theme="dark"] a:hover {
  color: var(--color-primary-400);
}

/* ====================================================================
   SEARCH MODAL (Specific to noviCEV)
   ==================================================================== */

#searchModal .modal-body {
  background-color: var(--modal-bg);
}

#searchModal .form-control {
  background-color: var(--input-bg);
  border-color: var(--input-border);
  color: var(--text-primary);
}

#searchModal .form-select {
  background-color: var(--input-bg);
  border-color: var(--input-border);
  color: var(--text-primary);
}

#searchModal .modal-content {
  border: 1px solid var(--border-color);
}

.search-modal-controls .form-label {
  font-weight: 600;
}

.search-results-summary__title {
  font-weight: 600;
  color: var(--text-primary);
}

.search-results-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.search-results-list .search-result-card {
  display: grid;
  grid-template-columns: clamp(180px, 26%, 280px) minmax(0, 1fr);
  gap: 1rem;
  align-items: stretch;
  border: 1px solid var(--border-color);
  border-radius: 0.85rem;
  background: var(--card-bg);
  box-shadow: var(--shadow-xs, 0 1px 2px rgba(15, 23, 42, 0.06));
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  margin: 0;
}

.search-result-card:hover {
  border-color: var(--color-primary-400);
  box-shadow: var(--shadow-sm, 0 8px 24px rgba(15, 23, 42, 0.08));
}

.search-result-card__media {
  width: 100%;
  min-height: 170px;
  height: 100%;
  background: var(--bg-tertiary);
}

.search-result-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.search-result-card__body {
  padding: 0.95rem 1rem 0.95rem 0.1rem;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.search-result-card__meta {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text-secondary);
  font-size: 0.82rem;
  margin-bottom: 0.45rem;
}

.search-result-card__source {
  font-weight: 600;
}

.search-result-card__title {
  margin: 0 0 0.5rem;
  font-size: 1.03rem;
  line-height: 1.35;
}

.search-result-card__title-link {
  color: var(--text-primary);
  text-decoration: none;
}

.search-result-card__title-link:hover {
  color: var(--color-primary-600);
  text-decoration: underline;
}

[data-bs-theme="dark"] .search-result-card__title-link:hover {
  color: var(--color-primary-300);
}

.search-result-card__description {
  color: var(--text-secondary);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.search-result-card__footer {
  margin-top: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
}

.search-result-card__tags {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.news-card__actions {
  margin-bottom: var(--space-3);
  display: flex;
  justify-content: flex-start;
}

.news-card__share-btn,
.search-card__share-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  border: 1px solid var(--color-primary-500);
  background: var(--color-primary-50);
  color: var(--color-primary-700, var(--color-primary-600));
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.news-card__share-btn:hover,
.search-card__share-btn:hover {
  background: var(--color-primary-500);
  border-color: var(--color-primary-500);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.news-card__share-btn:focus-visible,
.search-card__share-btn:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

.search-result-card .news-card__share-btn {
  white-space: nowrap;
}

@media (max-width: 767.98px) {
  .search-results-list .search-result-card {
    grid-template-columns: 1fr;
  }

  .search-result-card__media {
    min-height: 170px;
  }

  .search-result-card__body {
    padding: 0 0.85rem 0.85rem;
  }
}

/* ====================================================================
   SKIP LINK (Accessibility)
   ==================================================================== */

.skip-link {
  background-color: var(--color-primary-500);
  color: white;
}

.skip-link:focus {
  background-color: var(--color-primary-600);
  color: white;
}

/* ====================================================================
   LOADING STATES
   ==================================================================== */

.spinner-border,
.spinner-grow {
  color: var(--color-primary-500);
}

/* ====================================================================
   TABLES
   ==================================================================== */

.table {
  color: var(--text-primary);
  border-color: var(--border-color);
}

.table > :not(caption) > * > * {
  background-color: var(--card-bg);
  border-bottom-color: var(--border-color);
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
  background-color: var(--bg-tertiary);
}

.table-hover > tbody > tr:hover > * {
  background-color: var(--bg-tertiary);
}

/* ====================================================================
   PAGINATION
   ==================================================================== */

.pagination .page-link {
  background-color: var(--card-bg);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.pagination .page-link:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--border-color);
  color: var(--color-primary-500);
}

.pagination .page-item.active .page-link {
  background-color: var(--color-primary-500);
  border-color: var(--color-primary-500);
  color: white;
}

/* ====================================================================
   BREADCRUMBS
   ==================================================================== */

.breadcrumb {
  background-color: var(--bg-tertiary);
}

.breadcrumb-item + .breadcrumb-item::before {
  color: var(--text-muted);
}

/* ====================================================================
   SMOOTH TRANSITIONS
   ==================================================================== */

@media (prefers-reduced-motion: no-preference) {
  * {
    transition-property: background-color, border-color, color, fill, stroke;
    transition-duration: var(--transition-fast);
    transition-timing-function: ease;
  }
}

/* Disable transitions for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ====================================================================
   SCROLLBAR STYLING (Optional)
   ==================================================================== */

/* For Webkit browsers (Chrome, Safari, Edge) */
::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-md);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* For Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) var(--bg-secondary);
}

/* ====================================================================
   DARK MODE SPECIFIC IMPROVEMENTS
   ==================================================================== */

[data-bs-theme="dark"] {
  /* Better separation between elements */
  .filters-bar {
    border-bottom: 1px solid var(--border-color);
    background: var(--filter-bar-bg);
    backdrop-filter: blur(10px);
  }

  /* Filters panel fully blended with card background */
  .filters-panel {
    background: var(--filters-panel-bg);
    border: none;
    box-shadow: none;
  }

  /* Improve filter button contrast */
  .filter-btn:not(.filter-btn--primary) {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
  }

  /* Better visibility for filter chips */
  .filter-chip {
    background: var(--color-primary-700);
    border: 1px solid var(--color-primary-600);
  }

  /* Improve text contrast in cards */
  .news-card__description {
    color: var(--color-neutral-400);
  }

  /* Better source tag visibility */
  .news-card__source:not([class*="bias-"]) {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
  }

  /* Improve modal backgrounds */
  .modal-content {
    background-color: var(--bg-secondary);
  }

  /* Better input field visibility */
  .form-control,
  .form-select {
    background-color: var(--bg-tertiary);
    border-color: var(--border-color);
  }

  /* Enhance dropdown visibility */
  .dropdown-menu {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
  }

  /* Statistics page improvements */
  .statistics-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
  }

  .statistics-card__header {
    background: var(--bg-tertiary);
    border-bottom-color: var(--border-color);
  }

  .statistics-card__title {
    color: var(--text-primary);
  }

  .statistics-table__head {
    background: var(--bg-tertiary);
  }

  .statistics-table__th {
    color: var(--text-primary);
    border-bottom-color: var(--border-color);
  }

  .statistics-table__row:hover {
    background: var(--bg-tertiary);
  }

  .statistics-table__td {
    color: var(--text-primary);
    border-bottom-color: var(--border-color);
  }

  /* Changelog page improvements */
  .changelog-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
  }

  .changelog-item:hover {
    border-color: var(--color-neutral-600);
  }

  .changelog-text {
    color: var(--text-primary);
  }

  .changelog-date::after {
    border-color: var(--color-primary-500);
    background: var(--color-primary-500);
  }

  /* Timeline line for changelog */
  .changelog-timeline::before {
    background: linear-gradient(to bottom, var(--color-primary-500) 0%, var(--border-color) 100%);
  }

  /* Source filter modal improvements */
  .source-item {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
  }

  .source-item:hover {
    background: var(--bg-secondary);
    border-color: var(--color-primary-500);
  }

  .source-name {
    color: var(--text-primary);
  }

  /* Improve checkbox visibility in dark mode */
  .source-checkbox {
    accent-color: var(--color-primary-400);
    cursor: pointer;
  }

  /* Better contrast for unchecked items */
  .source-item:has(.source-checkbox:not(:checked)) {
    opacity: 0.6;
    background: var(--bg-secondary);
  }

  /* Search input in sources modal */
  .sources-search .form-control {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--text-primary);
  }

  .sources-search .form-control::placeholder {
    color: var(--text-muted);
  }

  /* Select2 dropdown styling for dark mode */
  .select2-container--bootstrap-5 .select2-selection {
    background-color: var(--input-bg) !important;
    border-color: var(--input-border) !important;
    color: var(--text-primary) !important;
  }

  .select2-container--bootstrap-5 .select2-selection--single {
    background-color: var(--input-bg) !important;
  }

  .select2-container--bootstrap-5 .select2-selection__rendered {
    color: var(--text-primary) !important;
  }

  .select2-container--bootstrap-5 .select2-selection__placeholder {
    color: var(--text-muted) !important;
  }

  .select2-container--bootstrap-5 .select2-selection__arrow {
    border-left-color: var(--border-color) !important;
  }

  .select2-dropdown {
    background-color: var(--dropdown-bg) !important;
    border-color: var(--border-color) !important;
  }

  .select2-container--bootstrap-5 .select2-dropdown {
    background-color: var(--dropdown-bg) !important;
    border-color: var(--border-color) !important;
  }

  .select2-results__option {
    background-color: var(--dropdown-bg) !important;
    color: var(--text-primary) !important;
  }

  .select2-container--bootstrap-5 .select2-results__option {
    background-color: var(--dropdown-bg) !important;
    color: var(--text-primary) !important;
  }

  .select2-container--bootstrap-5 .select2-results__option--highlighted,
  .select2-container--bootstrap-5 .select2-results__option--highlighted.select2-results__option--selectable {
    background-color: var(--color-primary-500) !important;
    color: white !important;
  }

  .select2-container--bootstrap-5 .select2-results__option--selected {
    background-color: var(--bg-tertiary) !important;
  }

  .select2-search--dropdown .select2-search__field {
    background-color: var(--input-bg) !important;
    border-color: var(--input-border) !important;
    color: var(--text-primary) !important;
  }

  .select2-container--bootstrap-5 .select2-search--dropdown .select2-search__field {
    background-color: var(--input-bg) !important;
    border-color: var(--input-border) !important;
    color: var(--text-primary) !important;
  }

  .select2-container--bootstrap-5 .select2-search--dropdown .select2-search__field::placeholder {
    color: var(--text-muted) !important;
  }

  /* Chart tooltips */
  #tooltip {
    background-color: var(--card-bg) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
  }
}