/* Coastline Blog Template — v1.0.0 */
:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --text: #e0e0e0;
  --text-muted: #888;
  --accent: #14b8a6;
  --accent-hover: #0d9488;
  --border: #222;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
  --max-width: 720px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.8;
}

.blog-header {
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.blog-header .logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--accent);
  text-decoration: none;
}

.blog-header nav a {
  color: var(--text-muted);
  text-decoration: none;
  margin-left: 24px;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.blog-header nav a:hover { color: var(--accent); }

.lang-toggle {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 4px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.85rem;
  margin-left: 16px;
}

.blog-article {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.blog-meta .author-img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--accent);
}

.blog-meta .author-name {
  font-weight: 600;
  color: var(--accent);
}

.blog-meta .meta-details {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.blog-meta .meta-details span {
  margin-right: 16px;
}

.blog-category {
  display: inline-block;
  background: var(--accent);
  color: #000;
  padding: 2px 10px;
  border-radius: 3px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.blog-article h1 {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  line-height: 1.3;
  margin-bottom: 24px;
  color: #fff;
}

.blog-article h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  margin: 40px 0 16px;
  color: #fff;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

.blog-article h3 {
  font-size: 1.2rem;
  margin: 28px 0 12px;
  color: var(--accent);
}

.blog-article p { margin-bottom: 20px; }

.blog-article blockquote {
  border-left: 3px solid var(--accent);
  padding: 12px 20px;
  margin: 24px 0;
  background: var(--surface);
  border-radius: 0 6px 6px 0;
  font-style: italic;
  color: var(--text-muted);
}

.blog-article ul, .blog-article ol {
  margin: 16px 0;
  padding-left: 28px;
}

.blog-article li { margin-bottom: 8px; }

.blog-article img {
  max-width: 100%;
  border-radius: 8px;
  margin: 24px 0;
}

.blog-tags {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.blog-tags .tag {
  display: inline-block;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 0.8rem;
  margin: 4px 4px 4px 0;
  text-decoration: none;
}

.blog-tags .tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.share-buttons {
  margin-top: 32px;
  display: flex;
  gap: 12px;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 6px;
  font-size: 0.85rem;
  text-decoration: none;
  transition: all 0.2s;
}

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

.blog-toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 32px;
}

.blog-toc h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.blog-toc a {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 4px 0;
}

.blog-toc a:hover { color: var(--accent); }

.blog-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 24px;
  border-top: 1px solid var(--border);
}

.related-posts {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.related-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  text-decoration: none;
  transition: border-color 0.2s;
}

.related-card:hover { border-color: var(--accent); }
.related-card h5 { color: #fff; margin-bottom: 8px; }
.related-card p { color: var(--text-muted); font-size: 0.85rem; }

.view-counter {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.breadcrumbs {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.breadcrumbs a {
  color: var(--text-muted);
  text-decoration: none;
}

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

@media (max-width: 640px) {
  .blog-article h1 { font-size: 1.8rem; }
  .blog-article { padding: 32px 16px; }
  .blog-header { padding: 12px 16px; }
  .blog-header nav a { margin-left: 12px; font-size: 0.8rem; }
  .share-buttons { flex-wrap: wrap; }
}