/* Dark theme for davidbmar.com portfolio search */

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --bg-card: #1c2128;
  --border: #30363d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --accent-subtle: rgba(56, 139, 253, 0.1);
  --green: #3fb950;
  --yellow: #d29922;
  --orange: #db6d28;
  --purple: #bc8cff;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-content {
  flex: 1;
}

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

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

/* Header */
.site-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header h1 {
  font-size: 1.25rem;
  font-weight: 600;
}

.site-header h1 a {
  color: var(--text-primary);
}

.site-header h1 a:hover {
  text-decoration: none;
  color: var(--accent);
}

/* Navigation */
.site-nav {
  display: flex;
  gap: 8px;
}

.nav-link {
  color: var(--text-secondary);
  font-size: 0.875rem;
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: color 0.2s, background 0.2s;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
  text-decoration: none;
}

/* Main content — flex: 1 is set above alongside body */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
  width: 100%;
}

/* Landing / Search hero */
.search-hero {
  text-align: center;
  padding: 64px 16px 48px;
}

.search-hero h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.search-hero p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

.search-box {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
}

.search-box input {
  width: 100%;
  padding: 14px 48px 14px 20px;
  font-size: 1rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.2s;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.search-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

.search-icon {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* Section headers */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.section-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

.section-header .count {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Cluster grid */
.cluster-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
  margin-bottom: 40px;
}

.cluster-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  border-top: 3px solid var(--accent);
}

.cluster-card:nth-child(2) { border-top-color: var(--green); }
.cluster-card:nth-child(3) { border-top-color: var(--purple); }
.cluster-card:nth-child(4) { border-top-color: var(--yellow); }
.cluster-card:nth-child(5) { border-top-color: var(--orange); }
.cluster-card:nth-child(6) { border-top-color: #f778ba; }

.cluster-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

.cluster-card h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--accent);
}

.cluster-card .repo-count {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.cluster-card .repo-list-preview {
  margin-top: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Search results / repo cards */
.results-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.repo-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.repo-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.repo-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.repo-card-header .repo-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
}

.repo-card-header .repo-name:hover {
  text-decoration: underline;
}

.repo-card .description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 16px;
  line-height: 1.7;
}

.repo-card .description mark {
  background: rgba(88, 166, 255, 0.2);
  color: var(--accent);
  padding: 1px 3px;
  border-radius: 3px;
}

.repo-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.language-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.language-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.stars-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.score-badge {
  background: var(--accent-subtle);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.topic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.topic-tag {
  background: var(--accent-subtle);
  color: var(--accent);
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
}

/* Freshness badges — small pills next to language tag */
.freshness-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 600;
  white-space: nowrap;
}

.freshness-today {
  background: rgba(63, 185, 80, 0.15);
  color: var(--green);
}

.freshness-week {
  background: rgba(56, 139, 253, 0.15);
  color: var(--accent);
}

.freshness-month {
  background: rgba(139, 148, 158, 0.15);
  color: var(--text-secondary);
}

.freshness-stale {
  background: rgba(248, 81, 73, 0.15);
  color: #f85149;
}

/* Last indexed info in footer */
.last-indexed-info {
  margin-bottom: 4px;
  color: var(--text-muted);
}

/* Filter sidebar */
.content-layout {
  display: flex;
  gap: 24px;
}

.filter-sidebar {
  width: 240px;
  flex-shrink: 0;
}

.filter-group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}

.filter-group h4 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.filter-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  font-size: 0.875rem;
  cursor: pointer;
  color: var(--text-primary);
}

.filter-group input[type="checkbox"] {
  accent-color: var(--accent);
}

.filter-group input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.filter-group .range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.results-area {
  flex: 1;
  min-width: 0;
}

/* Filter toggle for mobile */
.filter-toggle {
  display: none;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  cursor: pointer;
  margin-bottom: 16px;
  width: 100%;
  text-align: center;
}

/* Secured badge for private repos */
.secured-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  vertical-align: middle;
  margin-left: 8px;
}

.repo-detail-name .secured-badge {
  font-size: 0.7rem;
  padding: 3px 10px;
}

/* GitHub Sign-In button */
.github-signin-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #24292f;
  color: #fff;
  border: 1px solid #444;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  margin-left: 8px;
}

.github-signin-btn:hover {
  background: #32383f;
}

/* Back nav */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 16px;
}

.back-link:hover {
  color: var(--accent);
  text-decoration: none;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 16px;
  color: var(--text-secondary);
}

.empty-state h3 {
  margin-bottom: 8px;
}

/* Cluster description */
.cluster-description {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Access Request page */
.access-request-page {
  max-width: 560px;
  margin: 0 auto;
  padding: 40px 0;
}

.access-request-page h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.access-tier-info {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 32px;
  line-height: 1.5;
}

.access-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.95rem;
  color: var(--text-primary);
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.submit-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.submit-btn:hover {
  background: var(--accent-hover);
}

.form-message {
  display: none;
  padding: 12px 16px;
  background: var(--accent-subtle);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  color: var(--accent);
  font-size: 0.9rem;
}

.form-message.visible {
  display: block;
}

.form-message.success {
  color: var(--green, #3fb950);
}

/* Admin panel */
.admin-panel {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 2px solid var(--accent);
}

.admin-panel h3 {
  font-size: 1.1rem;
  margin-bottom: 16px;
}

.access-request-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
}

.access-request-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

/* Loading spinner */
.loading {
  text-align: center;
  padding: 48px;
  color: var(--text-muted);
}

.loading::after {
  content: '';
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-left: 8px;
  vertical-align: middle;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Loading skeleton animation */
.loading-skeleton {
  padding: 48px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
}

.skeleton-line {
  height: 20px;
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  border-radius: var(--radius);
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
}

.skeleton-line-wide { width: 80%; }
.skeleton-line-medium { width: 60%; }
.skeleton-line-narrow { width: 40%; }

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Error banner (friendly, not scary) */
.error-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: rgba(210, 153, 34, 0.1);
  border: 1px solid var(--yellow);
  border-radius: var(--radius);
  color: var(--yellow);
  font-size: 0.95rem;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.error-banner-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.retry-btn {
  margin-left: auto;
  background: var(--yellow);
  color: var(--bg-primary);
  border: none;
  border-radius: var(--radius);
  padding: 8px 20px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.retry-btn:hover {
  opacity: 0.85;
}

/* Portfolio stats on landing page */
.portfolio-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-bottom: 24px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Language stat row */
.lang-stat-row {
  max-width: 480px;
  margin: 0 auto 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.lang-stat-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.lang-stat-name {
  width: 80px;
  text-align: right;
}

.lang-stat-bar {
  flex: 1;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
}

.lang-stat-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.3s ease;
}

.lang-stat-count {
  width: 24px;
  text-align: right;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Last updated indicator */
.last-updated {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* Relevance bar (replaces raw score number) */
.relevance-bar {
  width: 80px;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
  flex-shrink: 0;
}

.relevance-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--green));
  border-radius: 3px;
  transition: width 0.3s ease;
}

/* Repo detail page */
.repo-detail {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 24px;
}

.repo-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.repo-detail-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.2s, transform 0.1s;
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn:hover { transform: translateY(-1px); text-decoration: none; }

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
}

.repo-detail-name {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0;
  word-break: break-word;
}

.repo-detail-description {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.repo-detail-stats {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.stat-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-secondary, #f0f0f0);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

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

.stat-chip a:hover { text-decoration: underline; }

.github-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.2s;
  margin-bottom: 20px;
}

.github-link:hover {
  background: var(--accent-hover);
  color: #fff;
  text-decoration: none;
}

.repo-detail-section {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.repo-detail-section h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.clone-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-secondary, #1a1a2e);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 0.85rem;
}

.clone-box code {
  flex: 1;
  overflow-x: auto;
  white-space: nowrap;
  color: var(--text-primary);
}

.btn-copy {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 6px 14px;
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s;
}

.btn-copy:hover { background: var(--accent-hover); }

.readme-content {
  background: var(--bg-secondary, #f6f8fa);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 500px;
  overflow-y: auto;
}

.readme-more {
  display: inline-block;
  margin-top: 12px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
}

.readme-more:hover { text-decoration: underline; }

.repo-detail-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.repo-detail-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.repo-detail-topics .topic-tag {
  text-decoration: none;
  cursor: pointer;
}

.repo-detail-topics .topic-tag:hover {
  background: var(--accent);
  color: #fff;
}

.repo-detail-cluster {
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.repo-detail-cluster h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.cluster-link {
  color: var(--accent);
  font-weight: 600;
}

.cluster-link:hover {
  text-decoration: underline;
}

/* Related repos section */
.related-repos-section {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* Results list spacing */
.results-list {
  gap: 16px;
}

/* Page transition animation */
.main-content {
  animation: pageFadeIn 0.3s ease-out;
}

@keyframes pageFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* D3 visualization container */
.d3-viz-container {
  min-height: 320px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 32px;
  overflow: hidden;
}

/* D3 tooltip */
.d3-tooltip {
  position: absolute;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  line-height: 1.4;
  pointer-events: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  z-index: 100;
  max-width: 240px;
  white-space: nowrap;
}

/* Recent Activity section */
.recent-activity {
  margin-bottom: 32px;
}

.recent-activity h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.activity-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.activity-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.875rem;
  transition: border-color 0.2s;
}

.activity-card:hover {
  border-color: var(--accent);
}

.activity-card .activity-icon {
  flex-shrink: 0;
  font-size: 1rem;
}

.activity-card .activity-repo {
  color: var(--accent);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.activity-card .activity-time {
  margin-left: auto;
  color: var(--text-muted);
  font-size: 0.75rem;
  white-space: nowrap;
}

/* Sort dropdown for search results */
.sort-dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sort-dropdown label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.sort-dropdown select {
  appearance: none;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 28px 6px 10px;
  font-size: 0.8rem;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%238b949e'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
}

.sort-dropdown select:focus {
  border-color: var(--accent);
}

/* Technology Distribution bars */
.topic-distribution {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 2rem;
}

.topic-bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topic-bar-label {
  width: 120px;
  text-align: right;
  font-size: 0.85rem;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.topic-bar-track {
  flex: 1;
  height: 20px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
}

.topic-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.topic-bar-count {
  width: 30px;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: right;
}

/* Topic filter scrollable list */
.filter-topic-list {
  display: flex;
  flex-direction: column;
}

.filter-count {
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 32px 16px;
  margin-top: 48px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .search-hero {
    padding: 32px 8px 24px;
  }

  .search-hero h2 {
    font-size: 1.5rem;
  }

  .main-content {
    padding: 16px;
  }

  .cluster-grid {
    grid-template-columns: 1fr;
  }

  .content-layout {
    flex-direction: column;
  }

  .filter-sidebar {
    width: 100%;
    display: none;
  }

  .filter-sidebar.open {
    display: block;
  }

  .filter-toggle {
    display: block;
  }

  .site-header {
    padding: 12px 16px;
    flex-wrap: wrap;
    gap: 8px;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: center;
  }

  .repo-card {
    padding: 16px;
  }

  .portfolio-stats {
    gap: 24px;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .lang-stat-row {
    max-width: 100%;
  }

  .repo-detail {
    padding: 20px;
  }

  .repo-detail-name {
    font-size: 1.25rem;
  }

  .d3-viz-container {
    min-height: 220px;
    padding: 16px;
  }

  .activity-card {
    padding: 10px 12px;
    gap: 8px;
  }

  .access-request-page {
    padding: 24px 0;
  }

  .filter-topic-list {
    max-height: 240px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .topic-bar-label {
    width: 90px;
    font-size: 0.8rem;
  }

  .autocomplete-item {
    padding: 12px 16px;
    min-height: 44px;
  }

  .error-banner {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }

  .retry-btn {
    margin-left: 0;
    width: 100%;
  }
}

@media (max-width: 375px) {
  .search-hero h2 {
    font-size: 1.25rem;
  }

  .search-box input {
    padding: 12px 40px 12px 14px;
    font-size: 0.9rem;
  }

  .repo-card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .repo-meta {
    gap: 8px;
  }

  .nav-link {
    font-size: 0.75rem;
    padding: 4px 8px;
  }

  .d3-viz-container {
    min-height: 180px;
    padding: 12px;
  }

  .activity-card .activity-repo {
    max-width: 140px;
  }

  .sort-dropdown select {
    max-width: 120px;
  }
}

/* Autocomplete dropdown */
.autocomplete-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  z-index: 200;
  max-height: 320px;
  overflow-y: auto;
  display: none;
}

.autocomplete-dropdown.visible {
  display: block;
}

.autocomplete-item {
  padding: 10px 16px;
  font-size: 0.9rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: background 0.15s;
  display: flex;
  align-items: center;
  gap: 8px;
}

.autocomplete-item:hover {
  background: var(--bg-tertiary);
}

.autocomplete-item.active {
  background: var(--accent-subtle);
  color: var(--accent);
}

.autocomplete-item .autocomplete-type {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

/* Search snippet in results */
.search-snippet {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.search-snippet mark {
  background: rgba(88, 166, 255, 0.2);
  color: var(--accent);
  padding: 1px 3px;
  border-radius: 3px;
}

/* ── Accessibility: visible focus styles for keyboard navigation (WCAG 2.1 AA) ── */
a:focus-visible,
button:focus-visible,
.nav-link:focus-visible,
.cluster-card:focus-visible,
.repo-card:focus-visible,
.submit-btn:focus-visible,
.retry-btn:focus-visible,
.filter-toggle:focus-visible,
.sort-dropdown select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ── Collections ── */

.collections-nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: color 0.15s, background 0.15s;
}

.collections-nav-link:hover {
  color: var(--accent);
  background: var(--accent-subtle);
  text-decoration: none;
}

.collections-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  max-width: 720px;
  margin: 0 auto;
}

.collections-panel h2 {
  font-size: 1.25rem;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.collection-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: border-color 0.15s;
}

.collection-card:hover {
  border-color: var(--accent);
}

.collection-card .collection-name {
  font-weight: 600;
  color: var(--text-primary);
}

.collection-card .collection-meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.add-to-collection-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 0.8rem;
  color: var(--accent);
  background: var(--accent-subtle);
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.add-to-collection-btn:hover {
  background: transparent;
  border-color: var(--accent);
}

.collection-detail {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  max-width: 720px;
  margin: 0 auto;
}

.collection-detail h3 {
  margin-bottom: 12px;
  color: var(--text-primary);
}

.collection-detail .repo-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.collection-detail .repo-item:last-child {
  border-bottom: none;
}

.collection-detail .remove-btn {
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.85rem;
  padding: 4px 8px;
  border-radius: var(--radius);
  transition: color 0.15s, background 0.15s;
}

.collection-detail .remove-btn:hover {
  color: #f85149;
  background: rgba(248, 81, 73, 0.1);
}

@media (max-width: 768px) {
  .collections-panel,
  .collection-detail {
    max-width: 100%;
    margin: 0 8px;
    padding: 14px;
  }

  .collection-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

/* ── Portfolio: Showcase section ── */
.showcase-section {
  margin-bottom: 40px;
  padding: 32px 24px;
  background: linear-gradient(135deg, rgba(56, 139, 253, 0.06), rgba(188, 140, 255, 0.06));
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.showcase-section .section-header {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 20px;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.showcase-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  border-top: 3px solid transparent;
  border-image: linear-gradient(90deg, var(--accent), var(--purple)) 1;
  border-image-slice: 1;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.showcase-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  border-color: var(--accent);
}

.showcase-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.showcase-card-header .repo-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
}

.showcase-card-header .repo-name:hover {
  text-decoration: underline;
}

.showcase-card .highlight-text {
  font-size: 1rem;
  color: var(--purple);
  font-style: italic;
  margin-bottom: 10px;
  line-height: 1.5;
}

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

.showcase-card-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.showcase-card .repo-meta {
  margin-top: 12px;
}

/* Featured badge (gold/amber pill) */
.featured-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  vertical-align: middle;
}

.repo-detail-name .featured-badge {
  font-size: 0.7rem;
  padding: 3px 10px;
  margin-left: 8px;
}

/* Live Demo button (green) */
.live-demo-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  background: var(--green);
  color: #fff;
  transition: background 0.2s, transform 0.1s;
}

.live-demo-btn:hover {
  background: #2ea043;
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}

.live-demo-btn-sm {
  padding: 6px 14px;
  font-size: 0.85rem;
}

/* Demo badge (small, for repo cards) */
.demo-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(63, 185, 80, 0.15);
  color: var(--green);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  vertical-align: middle;
  text-decoration: none;
}

.demo-badge:hover {
  background: rgba(63, 185, 80, 0.3);
  text-decoration: none;
  color: var(--green);
}

/* Highlight text / tagline on detail page */
.highlight-text {
  font-size: 1.15rem;
  color: var(--purple);
  line-height: 1.5;
  margin-bottom: 16px;
  font-style: italic;
}

/* Tech Stack badges */
.tech-stack {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.tech-stack h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.tech-stack-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 999px;
  font-weight: 500;
  transition: border-color 0.15s;
}

.tech-badge:hover {
  border-color: var(--accent);
}

/* Connected Projects section */
.connected-projects {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.connected-projects h3 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.connected-projects-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.connected-project-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  transition: border-color 0.15s;
}

.connected-project-item:hover {
  border-color: var(--accent);
}

.connected-project-item a {
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
}

.connected-project-item a:hover {
  text-decoration: underline;
}

.connected-project-item .relationship-label {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.connected-project-item .relationship-separator {
  color: var(--text-muted);
}

/* Portfolio mobile responsive */
@media (max-width: 768px) {
  .showcase-section {
    padding: 20px 16px;
  }

  .showcase-grid {
    grid-template-columns: 1fr;
  }

  .showcase-card {
    padding: 20px;
  }

  .tech-stack-badges {
    gap: 6px;
  }

  .connected-project-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .connected-project-item .relationship-separator {
    display: none;
  }
}

/* ── Accessibility: prefers-reduced-motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}