/* =========================================
   Global Layout & Header (Editorial Design)
   ========================================= */

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Header (Glassmorphism & Floating) */
#app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 var(--space-xl);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
  /* Meer ruimte tussen logo en nav */
  flex-shrink: 0;
}

.logo {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.logo:hover {
  opacity: 0.8;
}

.logo i {
  color: var(--accent);
  font-size: 1.1em;
  transform: translateY(1px);
}

#main-nav {
  display: flex;
  gap: var(--space-sm);
}

.nav-btn {
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.3px;
  color: var(--text-secondary);
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  position: relative;
}

.nav-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-full);
  background: var(--text-primary);
  opacity: 0;
  transform: scale(0.95);
  transition: all var(--transition-normal);
  z-index: -1;
}

.nav-btn:hover {
  color: var(--text-primary);
}

.nav-btn:hover::before {
  opacity: 0.04;
  transform: scale(1);
}

.nav-btn.active {
  color: var(--bg-primary);
  /* Invert text color */
}

.nav-btn.active::before {
  background: var(--text-primary);
  opacity: 1;
  transform: scale(1);
}

.nav-btn i {
  font-size: 1.15em;
}

.header-center {
  flex: 1;
  display: flex;
  justify-content: center;
  padding: 0 var(--space-lg);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex-shrink: 0;
}

.header-right button {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  background: transparent;
}

.header-right button:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  transform: translateY(-1px);
}

/* Main content */
#app-content {
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--header-height));
  overflow: hidden;
  background: var(--bg-primary);
}

/* =========================================
   Column Dashboard Layout (Editorial Canvas)
   ========================================= */
.columns-container {
  display: flex;
  gap: var(--space-lg);
  /* Padding tussen kolommen in plaats van harde borders */
  padding: var(--space-lg);
  overflow-x: auto;
  flex: 1;
  min-height: 0;
  scrollbar-width: none;
  /* Verberg scrollbar voor cleaner look */
}

.columns-container::-webkit-scrollbar {
  display: none;
}

.source-column {
  flex: 0 0 360px;
  /* Versmald voor meer overzicht (was 440px) */
  width: 360px;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-slow);
}

.source-column-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg-secondary);
  padding: var(--space-lg) var(--space-xl) var(--space-md);
  display: flex;
  align-items: flex-end;
  /* Uitlijnen op de baseline */
  gap: var(--space-md);
  flex-shrink: 0;
}

.source-column-name {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  /* Iets kleiner (was 3xl) */
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  letter-spacing: -0.5px;
}

.source-column-accent {
  width: 4px;
  height: 24px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  margin-bottom: 4px;
}

.source-column-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-xs);
  font-family: var(--font-sans);
  color: var(--text-muted);
  margin-left: auto;
  margin-bottom: 6px;
}

.source-column-country {
  padding: 4px 10px;
  background: var(--text-primary);
  color: var(--bg-primary);
  /* Geïnverteerd voor punch */
  border-radius: var(--radius-full);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-size: 0.7rem;
}

.source-column-articles {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  /* Meer ruimte tussen artikelen */
  padding: var(--space-md) var(--space-xl) var(--space-xl);
  overflow-y: auto;
  flex: 1;
  scrollbar-width: none;
}

.source-column-articles::-webkit-scrollbar {
  display: none;
}

/* =========================================
   Comparison View
   ========================================= */
.comparison-view {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-2xl);
  flex: 1;
  overflow-y: auto;
}

.comparison-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.comparison-header h2 {
  font-family: var(--font-heading);
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -1px;
}

.comparison-subtitle {
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  font-family: var(--font-family);
  margin-top: var(--space-sm);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.comparison-search {
  max-width: 680px;
  margin: 0 auto var(--space-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.comparison-search-input {
  width: 100%;
  padding: 20px var(--space-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: var(--font-size-lg);
  font-family: var(--font-heading);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  text-align: center;
}

.comparison-search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 10px 30px var(--accent-subtle);
  transform: translateY(-2px);
  outline: none;
}

.comparison-search-input::placeholder {
  color: var(--text-muted);
  font-family: var(--font-family);
  font-style: italic;
  font-size: var(--font-size-base);
}

.trending-topics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

.trending-chip {
  padding: 8px 20px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-family: var(--font-sans);
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.trending-chip:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
  transform: translateY(-1px);
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

/* Loading */
.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: var(--space-lg);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-style: italic;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
}

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

/* Responsive */
@media (max-width: 1024px) {
  #app-header {
    padding: 0 var(--space-md);
  }

  .header-left {
    gap: var(--space-md);
  }

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

  .nav-btn {
    padding: 6px 10px;
  }

  /* Verberg tekst op tablet, toon alleen icons */
  .nav-btn.active::after {
    /* Optionele indicator voor actief icon */
  }
}

@media (max-width: 768px) {
  #app-header {
    flex-wrap: wrap;
    height: auto;
    padding: var(--space-sm) var(--space-md);
    gap: var(--space-sm);
  }

  #main-nav {
    width: 100%;
    justify-content: space-between;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
    /* Hide scrollbar */
  }

  #main-nav::-webkit-scrollbar {
    display: none;
  }

  .header-center {
    order: 3;
    flex-basis: 100%;
    padding: 0;
  }

  .columns-container {
    padding: var(--space-sm);
    gap: var(--space-md);
  }

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

@media (max-width: 480px) {
  .source-column {
    flex: 0 0 90vw;
    /* Beter passend op kleine telefoons */
    width: 90vw;
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .search-wrapper input {
    font-size: 16px;
    /* Voorkom auto-zoom op iOS */
  }
}

/* Feed View (Editorial List) */
.feed-container {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-xl) 0;
  scrollbar-width: thin;
}

.feed-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3xl);
  /* Zeer brede spacing tussen items voor editorial rust */
}

.feed-item {
  display: flex;
  gap: var(--space-xl);
  padding: 0 var(--space-md);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.feed-item:hover {
  transform: translateX(4px);
}

.feed-item-source {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  min-width: 64px;
  margin-top: 6px;
}

.feed-item-source-dot {
  width: 12px;
  /* Klein luxueus stipje in plaats van grote bulk */
  height: 12px;
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--bg-primary), 0 0 0 5px var(--border-color);
}

.feed-item-source-name {
  font-size: 0.75rem;
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  margin-top: var(--space-sm);
  opacity: 0.7;
}

.feed-item-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.feed-item-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.5px;
}

.feed-item-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);
}

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

.feed-item-description {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.feed-item-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: var(--font-size-xs);
  font-family: var(--font-sans);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
  order: -1;
  /* Zet meta BOVEN de titel (Flexbox magie) */
  margin-bottom: var(--space-xs);
}

.feed-item-image {
  flex-shrink: 0;
  width: 200px;
  height: 140px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  background: var(--bg-hover);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.feed-item:hover .feed-item-image {
  transform: scale(1.02) rotate(-1deg);
  box-shadow: var(--shadow-card-hover);
}

/* View toggle (Pill design) */
.view-toggle {
  display: flex;
  gap: 4px;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  padding: 4px;
  border: 1px solid var(--border-light);
}

.view-toggle-btn {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-family: var(--font-sans);
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
}

.view-toggle-btn:hover {
  color: var(--text-primary);
}

.view-toggle-btn.active {
  background: var(--text-primary);
  color: var(--bg-primary);
  box-shadow: var(--shadow-sm);
}

@media (max-width: 768px) {
  .feed-item {
    flex-direction: column;
    gap: var(--space-md);
  }

  .feed-item-image {
    width: 100%;
    height: 200px;
  }

  .feed-item-source-name {
    writing-mode: horizontal-tb;
    transform: none;
    margin-top: 0;
  }

  .feed-item-source {
    flex-direction: row;
    align-items: center;
  }
}