/* IssueInk - Blog Styles */

:root {
  --bg: #ffffff;
  --bg-secondary: #f6f8fa;
  --text: #1f2328;
  --text-secondary: #656d76;
  --border: #d0d7de;
  --accent: #0969da;
  --accent-hover: #0550ae;
  --card-bg: #ffffff;
  --code-bg: #f6f8fa;
  --sidebar-bg: #f6f8fa;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
  --radius: 8px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --bg-secondary: #161b22;
    --text: #e6edf3;
    --text-secondary: #8b949e;
    --border: #30363d;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --card-bg: #161b22;
    --code-bg: #1c2128;
    --sidebar-bg: #161b22;
    --shadow: 0 1px 3px rgba(0,0,0,0.3);
  }
}

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

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

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

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

/* Layout */
.layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  max-width: 1200px;
  margin: 0 auto;
  min-height: 100vh;
}

.main-content {
  padding: 2rem;
  min-width: 0;
}

/* Sidebar */
.sidebar {
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  padding: 2rem 1.5rem;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-section {
  margin-bottom: 2rem;
}

.sidebar-section h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.sidebar-section p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.search-input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(9,105,218,0.15);
}

.labels-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.label-pill {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.2s;
  text-decoration: none;
}

.label-pill:hover {
  opacity: 0.85;
  text-decoration: none;
}

.label-pill.small {
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
}

.sidebar-link {
  display: block;
  font-size: 0.9rem;
  padding: 0.25rem 0;
}

/* Page Title */
.page-title {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

/* Post Cards */
.post-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.post-card:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(9,105,218,0.12);
}

.post-card-title {
  font-size: 1.25rem;
  font-weight: 600;
  display: block;
  margin-bottom: 0.5rem;
}

.post-card-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.post-card-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 0.75rem;
}

.post-card-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Post Detail */
.back-link {
  display: inline-block;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.post-detail {
  max-width: 800px;
}

.post-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.post-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.author-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
}

.author-name {
  font-weight: 500;
  font-size: 0.9rem;
}

.post-date {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.post-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* Markdown Body */
.markdown-body {
  font-size: 1rem;
  line-height: 1.7;
}

.markdown-body h1, .markdown-body h2, .markdown-body h3,
.markdown-body h4, .markdown-body h5, .markdown-body h6 {
  margin-top: 1.5em;
  margin-bottom: 0.75em;
  font-weight: 600;
  line-height: 1.3;
}

.markdown-body h1 { font-size: 1.8rem; }
.markdown-body h2 { font-size: 1.5rem; }
.markdown-body h3 { font-size: 1.25rem; }

.markdown-body p {
  margin-bottom: 1em;
}

.markdown-body code {
  background: var(--code-bg);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
  font-family: "SF Mono", "Fira Code", Consolas, monospace;
}

.markdown-body pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  overflow-x: auto;
  margin-bottom: 1em;
}

.markdown-body pre code {
  background: none;
  padding: 0;
  font-size: 0.85em;
}

.markdown-body blockquote {
  border-left: 4px solid var(--border);
  padding-left: 1rem;
  color: var(--text-secondary);
  margin-bottom: 1em;
}

.markdown-body ul, .markdown-body ol {
  margin-bottom: 1em;
  padding-left: 2em;
}

.markdown-body li {
  margin-bottom: 0.25em;
}

.markdown-body img {
  max-width: 100%;
  border-radius: var(--radius);
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1em;
}

.markdown-body th, .markdown-body td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  text-align: left;
}

.markdown-body th {
  background: var(--code-bg);
  font-weight: 600;
}

.markdown-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2em 0;
}

/* Comments */
.comments-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.comments-title {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.comment {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  overflow: hidden;
}

.comment-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.comment-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
}

.comment-author {
  font-weight: 500;
  font-size: 0.9rem;
}

.comment-date {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-left: auto;
}

.comment-body {
  padding: 1rem;
  font-size: 0.95rem;
}

.comment-body.markdown-body {
  font-size: 0.95rem;
}

/* GitHub Link */
.github-link {
  display: inline-block;
  margin-top: 2rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
}

.github-link:hover {
  background: var(--bg-secondary);
  text-decoration: none;
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.pagination-btn {
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card-bg);
  color: var(--text);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}

.pagination-btn:hover:not(.disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.pagination-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.pagination-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination-info {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* States */
.loading {
  text-align: center;
  padding: 3rem;
  color: var(--text-secondary);
  font-size: 1rem;
}

.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-secondary);
  font-size: 1rem;
}

.error-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 1rem;
  }

  .main-content {
    padding: 1rem;
  }

  .post-title {
    font-size: 1.5rem;
  }

  .post-card-meta {
    flex-direction: column;
    gap: 0.3rem;
  }

  .post-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .comment-header {
    flex-wrap: wrap;
  }

  .comment-date {
    margin-left: 0;
    width: 100%;
    margin-top: 0.25rem;
  }
}