/* 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: 1.6;
  min-height: 100vh;
}

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);
}

/* Main content */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

/* 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 0.15s;
}

.cluster-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.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: 20px;
  transition: border-color 0.2s;
}

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

.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: 12px;
}

.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;
}

/* 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;
}

/* 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;
}

/* 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); }
}

/* 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;
  }

  .repo-card {
    padding: 16px;
  }
}

@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;
  }
}