/* Vibe Code Bible - Minimal Clean Theme */

:root {
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-text-secondary: #666666;
  --color-border: #e5e5e5;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-code-bg: #f5f5f5;
  --color-blockquote: #f0f7ff;
  --color-blockquote-border: #2563eb;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', 'Courier New', monospace;
  --max-width: 720px;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

/* Header */
.site-header {
  padding: 48px 0 32px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 48px;
}

.site-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

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

.site-tagline {
  margin-top: 8px;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

/* Index Page */
.article-list {
  list-style: none;
}

.article-list-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
}

.article-list-item:first-child {
  padding-top: 0;
}

.article-list-item h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.article-list-item h2 a {
  color: var(--color-text);
  text-decoration: none;
}

.article-list-item h2 a:hover {
  color: var(--color-accent);
}

.article-list-meta {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.article-list-excerpt {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Article */
.article-header {
  margin-bottom: 40px;
}

.article-meta {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.article-meta span + span::before {
  content: " · ";
}

.article-source {
  display: inline-block;
  padding: 2px 8px;
  background: var(--color-code-bg);
  border-radius: 3px;
  font-size: 0.8rem;
  font-weight: 500;
}

.article-title {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.article-author {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

/* Article Content */
.article-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 48px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.article-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 12px;
}

.article-content h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-top: 24px;
  margin-bottom: 8px;
}

.article-content p {
  margin-bottom: 16px;
}

.article-content ul,
.article-content ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.article-content li {
  margin-bottom: 6px;
}

.article-content strong {
  font-weight: 600;
}

.article-content em {
  font-style: italic;
}

.article-content blockquote {
  margin: 24px 0;
  padding: 16px 20px;
  background: var(--color-blockquote);
  border-left: 3px solid var(--color-blockquote-border);
  border-radius: 0 4px 4px 0;
}

.article-content blockquote p {
  margin-bottom: 0;
}

.article-content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-code-bg);
  padding: 2px 6px;
  border-radius: 3px;
}

.article-content pre {
  margin: 20px 0;
  padding: 16px;
  background: var(--color-code-bg);
  border-radius: 6px;
  overflow-x: auto;
  font-size: 0.9rem;
  line-height: 1.6;
}

.article-content pre code {
  background: none;
  padding: 0;
  font-size: inherit;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.95rem;
}

.article-content th,
.article-content td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.article-content th {
  font-weight: 600;
  background: var(--color-code-bg);
}

.article-content img {
  max-width: 100%;
  height: auto;
  margin: 20px 0;
  border-radius: 6px;
}

.article-content hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 32px 0;
}

.article-content a {
  color: var(--color-accent);
  text-decoration: none;
}

.article-content a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

/* Footnotes */
.article-content .footnotes {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.article-content .footnotes ol {
  padding-left: 20px;
}

.article-content .footnotes li {
  margin-bottom: 4px;
}

/* Article Footer */
.article-footer {
  margin-top: 48px;
  padding: 24px;
  background: var(--color-code-bg);
  border-radius: 6px;
}

.article-footer h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.article-footer a {
  color: var(--color-accent);
  word-break: break-all;
}

/* Navigation */
.article-nav {
  margin-top: 48px;
  padding: 24px 0;
  border-top: 1px solid var(--color-border);
}

.article-nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.article-nav a {
  color: var(--color-accent);
  text-decoration: none;
  font-size: 0.95rem;
}

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

/* Footer */
.site-footer {
  margin-top: 64px;
  padding: 24px 0;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* Responsive */
@media (max-width: 640px) {
  .article-title {
    font-size: 1.5rem;
  }

  .article-content h2 {
    font-size: 1.25rem;
  }

  .site-header {
    padding: 32px 0 24px;
  }

  .container {
    padding: 0 16px;
  }
}