/* Dev Digest — GitHub Pages */
:root {
  --color-bg: #f5f5f5;
  --color-surface: #ffffff;
  --color-primary: #1a1a2e;
  --color-secondary: #16213e;
  --color-accent: #4a90d9;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-muted: #999999;
  --color-border: #e8e8e8;
  --color-intro-bg: #f8f9ff;
  --color-card-bg: #fafafa;
  --color-hot: #e74c3c;
  --color-tech: #3498db;
  --color-insight: #f39c12;
  --color-video: #e74c3c;
  --max-width: 800px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
}

/* Header */
.site-header {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  padding: 32px 0;
  text-align: center;
}
.site-header h1 { color: #fff; font-size: 28px; }
.site-header p { color: #a8b8d8; font-size: 14px; margin-top: 4px; }
.site-header a { color: #fff; text-decoration: none; }
.site-header nav { margin-top: 12px; }
.site-header nav a {
  color: #a8b8d8;
  margin: 0 12px;
  font-size: 14px;
}
.site-header nav a:hover { color: #fff; text-decoration: none; }

/* Footer */
.site-footer {
  text-align: center;
  padding: 24px 0;
  font-size: 12px;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  margin-top: 40px;
}

/* Index Page — Digest Cards */
.digest-list { margin-top: 24px; }
.digest-card {
  background: var(--color-surface);
  border-radius: 8px;
  padding: 20px 24px;
  margin-bottom: 16px;
  border-left: 4px solid var(--color-accent);
  transition: box-shadow 0.15s;
}
.digest-card:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
.digest-card h3 { font-size: 18px; margin-bottom: 4px; }
.digest-card h3 a { color: var(--color-primary); }
.digest-card .meta { font-size: 13px; color: var(--color-text-muted); }
.digest-card .intro-preview {
  margin-top: 8px;
  font-size: 14px;
  color: var(--color-text-light);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Daily Digest Page */
.daily-intro {
  background: var(--color-intro-bg);
  padding: 20px 24px;
  border-radius: 8px;
  margin: 24px 0;
  font-size: 15px;
  line-height: 1.7;
}

.section-header {
  font-size: 20px;
  color: var(--color-primary);
  margin: 28px 0 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
}

.article-card {
  background: var(--color-card-bg);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 14px;
  border-left: 3px solid var(--color-accent);
}
.article-card h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
}
.article-card h3 a { color: var(--color-primary); }
.article-card .summary {
  font-size: 14px;
  color: var(--color-text-light);
  margin: 6px 0;
  line-height: 1.6;
}
.article-card .key-points {
  margin: 8px 0 6px;
  padding-left: 20px;
  font-size: 13px;
  color: #444;
  line-height: 1.8;
}
.article-card .key-points li { margin-bottom: 4px; }
.article-card .why-it-matters {
  font-size: 13px;
  color: var(--color-accent);
  font-style: italic;
  margin: 6px 0 0;
}
.article-card .card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  font-size: 12px;
  color: var(--color-text-muted);
}
.badge {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 11px;
}
.badge-engagement { background: #f0f0f0; color: #666; }
.badge-video { background: #e74c3c; color: #fff; }
.detail-link {
  font-size: 13px;
  margin-top: 8px;
  display: inline-block;
}

/* Article Detail Page */
.article-detail { margin-top: 24px; }
.article-detail h1 {
  font-size: 24px;
  color: var(--color-primary);
  line-height: 1.4;
  margin-bottom: 8px;
}
.article-meta {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.article-summary {
  background: var(--color-intro-bg);
  padding: 16px 20px;
  border-radius: 8px;
  margin-bottom: 24px;
}
.article-summary h2 { font-size: 16px; margin-bottom: 8px; }
.article-summary p { font-size: 14px; line-height: 1.7; }
.article-key-points { margin-bottom: 24px; }
.article-key-points h2 { font-size: 16px; margin-bottom: 8px; }
.article-key-points ul {
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.8;
}
.article-why { margin-bottom: 24px; }
.article-why h2 { font-size: 16px; margin-bottom: 8px; }
.article-why p {
  font-size: 14px;
  color: var(--color-accent);
  font-style: italic;
  line-height: 1.7;
}
.translated-content {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 2px solid var(--color-border);
}
.translated-content h2 {
  font-size: 18px;
  margin-bottom: 16px;
}
.translated-content .content {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text);
}
.translated-content .content p { margin-bottom: 16px; }
.translated-content .content h2,
.translated-content .content h3,
.translated-content .content h4 {
  margin: 24px 0 8px;
  color: var(--color-primary);
}
.translated-content .content h2 { font-size: 18px; }
.translated-content .content h3 { font-size: 16px; }
.translated-content .content ul {
  padding-left: 20px;
  margin-bottom: 16px;
  line-height: 1.8;
}
.translated-content .content li { margin-bottom: 4px; }
.translated-content .content pre {
  background: #1a1a2e;
  color: #e8e8e8;
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
  margin-bottom: 16px;
  font-size: 13px;
  line-height: 1.6;
}
.translated-content .content code {
  font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
}
.translated-content .content p code,
.translated-content .content li code {
  background: #f0f0f0;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.9em;
  color: #e74c3c;
}
.translated-content .content strong { font-weight: 600; }
.translated-content .content em { font-style: italic; }
.translated-content .content hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 24px 0;
}
.translated-content .content .table-wrapper {
  overflow-x: auto;
  margin-bottom: 16px;
}
.translated-content .content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.translated-content .content th,
.translated-content .content td {
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  text-align: left;
}
.translated-content .content th {
  background: var(--color-card-bg);
  font-weight: 600;
}
.translated-content .content pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}
.original-link {
  margin-top: 32px;
  padding: 16px;
  background: var(--color-card-bg);
  border-radius: 8px;
  text-align: center;
  font-size: 14px;
}
.breadcrumb {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--color-text-muted); }

/* Search Page */
.search-container { margin-top: 24px; }
.search-box {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.search-box input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 15px;
  outline: none;
}
.search-box input:focus { border-color: var(--color-accent); }
.search-filters {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.search-filters select {
  padding: 6px 10px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 13px;
  background: #fff;
}
.search-results .result-item {
  background: var(--color-surface);
  padding: 14px 18px;
  border-radius: 6px;
  margin-bottom: 10px;
  border-left: 3px solid var(--color-accent);
}
.search-results .result-item h3 { font-size: 15px; }
.search-results .result-item .result-meta {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
}
.search-results .result-item .result-summary {
  font-size: 13px;
  color: var(--color-text-light);
  margin-top: 6px;
}
.no-results {
  text-align: center;
  padding: 40px;
  color: var(--color-text-muted);
}

/* Label Filters */
.label-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 16px 0 24px 0;
}
.label-filter {
  padding: 5px 14px;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: #fff;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s;
}
.label-filter:hover {
  background: #f0f4ff;
}
.label-filter.active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

/* Label Badges (web) */
.badge-label {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 3px;
  color: #fff;
}
.badge-label-frontend { background: #4a90d9; }
.badge-label-backend { background: #e67e22; }
.badge-label-typescript { background: #3178c6; }
.badge-label-devops { background: #27ae60; }
.badge-label-ai { background: #8e44ad; }
.badge-label-career { background: #e74c3c; }
.badge-label-general { background: #95a5a6; }

/* Cluster (related items) */
.badge-cluster {
  background: #2ecc71;
  color: #fff;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 3px;
}
.cluster-related {
  margin-left: 24px;
  border-left-color: #2ecc71;
  opacity: 0.85;
}

/* Feedback */
.feedback-link {
  color: #27ae60;
  font-size: 13px;
  text-decoration: none;
  margin-left: 12px;
}
.feedback-link:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 600px) {
  .site-header h1 { font-size: 22px; }
  .article-detail h1 { font-size: 20px; }
  .container { padding: 0 12px; }
  .digest-card { padding: 16px; }
}