/* =========================================
   Article Card (Editorial Component)
   ========================================= */
.article-card {
  width: 100%;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.article-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  box-shadow: inset 0 0 0 1px var(--border-light);
  pointer-events: none;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-light);
}

.article-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--bg-hover);
  transition: transform var(--transition-slow);
}

.article-card:hover .article-image {
  transform: scale(1.03);
}

/* Container for image to handle overflow during zoom */
.article-image-wrapper {
  overflow: hidden;
  position: relative;
}

.article-body {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  z-index: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
  /* Move meta to the top for editorial feel */
  font-family: var(--font-sans);
}

.article-meta time {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.article-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.5px;
}

.article-title a {
  color: var(--text-primary);
  text-decoration: none;
  background-image: linear-gradient(transparent calc(100% - 2px), var(--accent) 2px);
  background-repeat: no-repeat;
  background-size: 0% 100%;
  transition: background-size var(--transition-normal);
}

.article-title a:hover {
  background-size: 100% 100%;
}

.article-description {
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.article-categories {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
  margin-top: auto;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  font-size: 0.7rem;
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  background: var(--accent-subtle);
  color: var(--accent);
  border: 1px solid rgba(var(--accent-rgb), 0.2);
}

.source-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-family: var(--font-sans);
  border-radius: var(--radius-full);
  color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Featured card (First in column gets magazine cover treatment) */
.article-card.featured {
  border-radius: var(--radius-xl);
}

.article-card.featured .article-image {
  height: 280px;
}

.article-card.featured .article-title {
  font-size: var(--font-size-2xl);
  line-height: 1.15;
}

.article-card.featured .article-body {
  padding: var(--space-xl);
}

/* Compact card (comparison view) */
.article-card.compact {
  width: auto;
  border-radius: var(--radius-md);
}

.article-card.compact .article-image {
  display: none;
}

/* NEW badge */
.new-badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 0.65rem;
  font-weight: 700;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 1px;
  background: var(--accent);
  color: var(--bg-card);
  /* Inverted for punch */
  border-radius: var(--radius-full);
  margin-left: var(--space-sm);
  vertical-align: middle;
  animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 0 2px var(--accent-subtle);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(2px);
  }

  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* =========================================
   Filter Bar (Pill shaped dropdown style)
   ========================================= */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  width: 100%;
  max-width: 600px;
}

.search-wrapper {
  position: relative;
  flex: 1;
}

.search-wrapper input {
  width: 100%;
  padding: 12px var(--space-lg) 12px 44px;
  background: var(--bg-hover);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.02);
}

.search-wrapper input:focus {
  background: var(--bg-card);
  border-color: var(--text-primary);
  box-shadow: 0 0 0 4px var(--border-light);
  outline: none;
}

.search-wrapper input::placeholder {
  color: var(--text-muted);
  font-weight: 500;
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: var(--font-size-base);
  pointer-events: none;
}

/* Category filter tabs */
.category-filters {
  display: flex;
  gap: 8px;
  padding-bottom: var(--space-xs);
}

.category-tab {
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: var(--font-sans);
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.category-tab.active {
  background: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.category-tab:hover:not(.active) {
  color: var(--text-primary);
  border-color: var(--text-muted);
}

/* Source toggle buttons */
.source-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: var(--space-md) 0;
}

.source-toggle {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-family: var(--font-sans);
  border: 1px solid transparent;
  transition: all var(--transition-normal);
  opacity: 0.3;
  filter: grayscale(100%);
}

.source-toggle.active {
  opacity: 1;
  color: #fff;
  filter: grayscale(0%);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.source-toggle:hover {
  opacity: 0.8;
  transform: translateY(-1px);
}

/* Date filter */
.date-filters {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-weight: 500;
}

.date-filters input[type="date"] {
  padding: 6px 12px;
  background: var(--bg-hover);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--font-size-xs);
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--transition-fast);
}

.date-filters input[type="date"]:focus {
  border-color: var(--text-primary);
}

/* Sub-filter bar */
.sub-filters {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
  padding: var(--space-md) var(--space-xl);
  flex-shrink: 0;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

/* =========================================
   Toast notifications (Premium feel)
   ========================================= */
#toast-container {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.toast {
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-family: var(--font-sans);
  font-weight: 500;
  color: #ffffff;
  transform: translateX(120%) scale(0.9);
  opacity: 0;
  transition: all var(--transition-normal);
  max-width: 420px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  border-left: 4px solid rgba(255, 255, 255, 0.3);
}

.toast-visible {
  transform: translateX(0) scale(1);
  opacity: 1;
}

.toast-error {
  background: #b91c1c;
}

.toast-success {
  background: #047857;
}

.toast-info {
  background: var(--text-primary);
  color: var(--bg-primary);
  border-left-color: var(--accent);
}

/* =========================================
   Skeleton loading (Shimmer)
   ========================================= */
.skeleton {
  background: linear-gradient(90deg, var(--bg-hover) 25%, var(--bg-card) 50%, var(--bg-hover) 75%);
  background-size: 200% 100%;
  animation: shimmer 2s infinite linear;
  border-radius: var(--radius-sm);
}

.skeleton-title {
  height: 24px;
  width: 85%;
  margin-bottom: var(--space-md);
}

.skeleton-text {
  height: 16px;
  width: 100%;
  margin-bottom: var(--space-sm);
}

.skeleton-text-short {
  height: 16px;
  width: 60%;
}

.skeleton-image {
  height: 200px;
  width: 100%;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

/* =========================================
   Empty state (Elegant messaging)
   ========================================= */
.empty-state {
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
  color: var(--text-muted);
  font-family: var(--font-family);
  max-width: 500px;
  margin: 0 auto;
}

.empty-state h3 {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-md);
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.empty-state p {
  font-size: var(--font-size-lg);
  line-height: 1.6;
}

/* =========================================
   Comparison / Analysis specific elements
   ========================================= */
.comparison-column {
  background: transparent;
  border-radius: var(--radius-none);
  overflow: visible;
  border: none;
  border-top: 2px solid var(--text-primary);
  padding-top: var(--space-md);
}

.comparison-column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0 var(--space-lg);
}

.comparison-column-header .source-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--font-size-2xl);
}

.match-count {
  font-size: var(--font-size-xs);
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.comparison-articles {
  padding: 0;
  max-height: 70vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  scrollbar-width: none;
}

.comparison-articles::-webkit-scrollbar {
  display: none;
}

.no-coverage {
  padding: var(--space-2xl) 0;
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-lg);
  font-family: var(--font-family);
  font-style: italic;
}

/* =========================================
   Analysis View
   ========================================= */
.analysis-tabs {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0;
}

.analysis-tab {
  padding: 16px var(--space-md);
  border-radius: 0;
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 3px solid transparent;
  background: transparent;
}

.analysis-tab:hover {
  color: var(--text-primary);
}

.analysis-tab.active {
  color: var(--text-primary);
  border-bottom-color: var(--accent);
}

/* Cluster cards for AI views */
.cluster-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-sm);
}

.cluster-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-3xl);
  color: var(--text-primary);
  margin-bottom: var(--space-md);
  line-height: 1.15;
  letter-spacing: -0.5px;
}

/* Coverage table */
.coverage-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin-bottom: var(--space-2xl);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
}

.coverage-table th,
.coverage-table td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

.coverage-table th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: var(--font-size-xs);
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Timeline */
.timeline-card {
  background: transparent;
  border: none;
  padding: 0;
  margin-bottom: var(--space-2xl);
}

.timeline-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-3xl);
  color: var(--text-primary);
  margin-bottom: var(--space-xl);
}

/* Briefing View */
.briefing-view {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-2xl) var(--space-xl);
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
  scrollbar-width: none;
}

.briefing-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
  border-bottom: 2px solid var(--text-primary);
  padding-bottom: var(--space-xl);
}

.briefing-header h2 {
  font-family: var(--font-heading);
  font-size: var(--font-size-4xl);
  color: var(--text-primary);
  letter-spacing: -1px;
}

.briefing-date {
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: var(--font-size-sm);
  margin-top: var(--space-sm);
}

/* =========================================
   Responsive Components (Mobile Adjustments)
   ========================================= */
@media (max-width: 1024px) {

  /* Table styling fallback voor compactheid */
  .coverage-table {
    font-size: var(--font-size-sm);
  }
}

@media (max-width: 768px) {
  .article-card {
    border-radius: var(--radius-lg);
  }

  .article-card.featured .article-image {
    height: 180px;
    /* Minder invasief op tablet */
  }

  .article-title {
    font-size: var(--font-size-lg);
  }

  .analysis-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    padding-bottom: 2px;
    margin-bottom: var(--space-lg);
  }

  .analysis-tabs::-webkit-scrollbar {
    display: none;
  }

  .cluster-card {
    padding: var(--space-lg) var(--space-md);
    border-radius: var(--radius-lg);
  }

  .cluster-title {
    font-size: var(--font-size-2xl);
  }

  .coverage-table th,
  .coverage-table td {
    padding: var(--space-sm);
  }

  .briefing-header h2 {
    font-size: var(--font-size-2xl);
  }
}

@media (max-width: 480px) {
  .article-card.featured .article-image {
    height: 150px;
  }

  .article-card.featured .article-body {
    padding: var(--space-md);
  }

  .cluster-title {
    font-size: var(--font-size-xl);
  }

  .briefing-view,
  .analysis-view,
  .comparison-view {
    padding: var(--space-md) var(--space-sm);
  }

  .category-filters {
    overflow-x: auto;
    scrollbar-width: none;
    padding-bottom: 4px;
    width: 100%;
  }

  .category-filters::-webkit-scrollbar {
    display: none;
  }

  .source-filters {
    gap: 4px;
  }

  .source-toggle {
    padding: 4px 10px;
    font-size: 0.65rem;
  }
}