/* Lysning — Washington Post / Zeit.de inspired */

:root {
  --serif: 'Merriweather', Georgia, 'Times New Roman', serif;
  --sans: 'Libre Franklin', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --black: #111;
  --gray-900: #1a1a1a;
  --gray-700: #333;
  --gray-600: #444;
  --gray-500: #666;
  --gray-400: #888;
  --gray-300: #aaa;
  --gray-200: #ddd;
  --gray-100: #f4f4f4;
  --white: #fff;
  --accent: #c41e3a;
  --accent-hover: #a01830;
  --link: #326891;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--sans);
  background: var(--white);
  color: var(--gray-700);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

/* ==================== MASTHEAD ==================== */
.masthead {
  border-bottom: 1px solid var(--gray-200);
  padding: 1rem 2rem;
}

.masthead-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.masthead-left {
  flex: 1;
}

.logo {
  font-family: var(--serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--black);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo:hover {
  color: var(--accent);
}

.masthead-center {
  flex: 2;
  text-align: center;
}

.tagline {
  font-size: 0.85rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.masthead-right {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1.5rem;
}

#current-date {
  font-size: 0.9rem;
  color: var(--gray-600);
}

.lang-switch {
  display: flex;
  gap: 0.25rem;
}

.lang-btn {
  background: none;
  border: 1px solid var(--gray-200);
  padding: 0.3rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-500);
  cursor: pointer;
  transition: all 0.15s;
}

.lang-btn:hover {
  border-color: var(--gray-400);
  color: var(--black);
}

.lang-btn.active {
  background: var(--black);
  border-color: var(--black);
  color: var(--white);
}

/* ==================== NAVIGATION ==================== */
.main-nav {
  border-bottom: 3px solid var(--black);
  padding: 0.75rem 2rem;
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  gap: 2.5rem;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
}

.nav-link:hover {
  color: var(--black);
  border-bottom-color: var(--accent);
}

.nav-link.active {
  color: var(--black);
  border-bottom-color: var(--black);
}

/* ==================== MAIN LAYOUT ==================== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
}

/* ==================== NEWS SIDEBAR ==================== */
.news-sidebar {
  border-right: 1px solid var(--gray-200);
  padding-right: 1.5rem;
}

.news-sidebar h3 {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--gray-200);
}

#news-list {
  list-style: none;
}

.news-item {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-100);
}

.news-item:last-child {
  border-bottom: none;
}

.news-item a {
  font-size: 0.85rem;
  color: var(--gray-700);
  text-decoration: none;
  line-height: 1.4;
  display: block;
}

.news-item a:hover {
  color: var(--accent);
}

.news-item time {
  font-size: 0.7rem;
  color: var(--gray-400);
  display: block;
  margin-top: 0.25rem;
}

/* ==================== ARTICLES GRID ==================== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-content: start;
}

/* ==================== ARTICLE CARD ==================== */
.article-card {
  border-bottom: 1px solid var(--gray-200);
  padding-bottom: 1.5rem;
}

.article-card.featured {
  grid-column: span 2;
}

.article-card.featured .article-title {
  font-size: 1.5rem;
}

.article-category {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.article-title {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1.3;
  margin-bottom: 0.5rem;
  cursor: pointer;
  transition: color 0.15s;
}

.article-title:hover {
  color: var(--accent);
}

.article-summary {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

.article-meta {
  font-size: 0.75rem;
  color: var(--gray-400);
}

.article-body {
  display: none;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--gray-100);
  font-size: 0.95rem;
  line-height: 1.8;
  column-count: 2;
  column-gap: 2rem;
}

.article-card.expanded .article-body {
  display: block;
}

.article-card.expanded {
  grid-column: 1 / -1;
  background: var(--gray-100);
  padding: 1.5rem;
  margin: 0 -1.5rem;
  width: calc(100% + 3rem);
}

.article-body p {
  margin-bottom: 1rem;
}

.article-body strong {
  color: var(--black);
}

.article-body a {
  color: var(--link);
}

.article-body a:hover {
  color: var(--accent);
}

.article-sources {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--gray-200);
  column-span: all;
}

.article-sources h5 {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-400);
  margin-bottom: 0.5rem;
}

.article-sources ul {
  list-style: none;
  font-size: 0.85rem;
}

.article-sources li {
  margin-bottom: 0.3rem;
}

.article-sources a {
  color: var(--link);
  text-decoration: none;
}

.article-sources a:hover {
  text-decoration: underline;
}

.close-article {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--gray-500);
  cursor: pointer;
  column-span: all;
}

.close-article:hover {
  color: var(--accent);
}

/* ==================== FOOTER ==================== */
.site-footer {
  border-top: 1px solid var(--gray-200);
  padding: 2rem;
  text-align: center;
  color: var(--gray-400);
  font-size: 0.85rem;
  margin-top: 3rem;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1100px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .article-card.featured {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .masthead-inner {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .masthead-left,
  .masthead-center,
  .masthead-right {
    flex: none;
    width: 100%;
    text-align: center;
    justify-content: center;
  }
  
  .container {
    grid-template-columns: 1fr;
    padding: 1rem;
  }
  
  .news-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--gray-200);
    padding-right: 0;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
  }
  
  #news-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
  }
  
  .news-item {
    flex: 1 1 200px;
    border-bottom: none;
    padding: 0;
  }
  
  .articles-grid {
    grid-template-columns: 1fr;
  }
  
  .article-card.featured {
    grid-column: span 1;
  }
  
  .article-body {
    column-count: 1;
  }
  
  .article-card.expanded {
    margin: 0;
    width: 100%;
  }
  
  .nav-inner {
    flex-wrap: wrap;
    gap: 1rem;
  }
}

/* ==================== SECTION ITEMS ==================== */
.section-intro {
  grid-column: 1 / -1;
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--gray-200);
}

.section-items {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.section-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  transition: all 0.2s;
}

.section-item:hover {
  border-color: var(--gray-300);
}

.section-item-header {
  padding: 1.5rem;
  cursor: pointer;
}

.section-item-title {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 0.5rem;
  transition: color 0.15s;
}

.section-item:hover .section-item-title {
  color: var(--accent);
}

.section-item-summary {
  font-size: 0.95rem;
  color: var(--gray-600);
  line-height: 1.5;
}

.section-item-body {
  display: none;
  padding: 0 1.5rem 1.5rem;
  border-top: 1px solid var(--gray-200);
  margin-top: -0.5rem;
  padding-top: 1.5rem;
  font-size: 0.95rem;
  line-height: 1.8;
  column-count: 2;
  column-gap: 2rem;
}

.section-item.expanded .section-item-body {
  display: block;
}

.section-item.expanded {
  background: var(--gray-100);
  border-color: var(--accent);
}

.section-item-body p {
  margin-bottom: 1rem;
}

.section-item-body strong {
  color: var(--black);
}

.close-item {
  display: block;
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--gray-500);
  cursor: pointer;
  column-span: all;
}

.close-item:hover {
  color: var(--accent);
}

@media (max-width: 768px) {
  .section-item-body {
    column-count: 1;
  }
}

/* ==================== HERO IMAGE ==================== */
.section-hero {
  grid-column: 1 / -1;
  margin-bottom: 2rem;
}

.hero-image {
  width: 100%;
  max-width: 900px;
  height: auto;
  border: 1px solid var(--gray-200);
  margin: 0 auto;
  display: block;
}

.hero-caption {
  text-align: center;
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-top: 0.5rem;
  font-style: italic;
}

/* ==================== CHART ==================== */
.chart-container {
  grid-column: 1 / -1;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gray-200);
}

.chart-title {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--black);
}

.days-counter {
  text-align: right;
}

.days-number {
  display: block;
  font-family: var(--serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.days-label {
  font-size: 0.75rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.chart-controls {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.chart-btn {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  border: 1px solid var(--gray-300);
  background: var(--white);
  color: var(--gray-600);
  cursor: pointer;
  transition: all 0.15s;
}

.chart-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.chart-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
}

.chart-area {
  width: 100%;
  margin-bottom: 1rem;
}

.chart-area svg {
  width: 100%;
  height: auto;
  max-height: 300px;
}

.chart-legend {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--gray-600);
}

.legend-color {
  width: 12px;
  height: 12px;
  border-radius: 2px;
}

.chart-source {
  font-size: 0.7rem;
  color: var(--gray-400);
  text-align: center;
  font-style: italic;
  line-height: 1.4;
}

@media (max-width: 768px) {
  .chart-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .days-counter {
    text-align: left;
  }
  
  .chart-controls {
    flex-wrap: wrap;
  }
  
  .chart-btn {
    flex: 1;
    min-width: 100px;
  }
}