/* === AI Repo Radar — Dark Minimal Techy === */
:root {
  --bg: #0a0a0a;
  --bg-card: #111118;
  --bg-card-hover: #161622;
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.12);
  --text: #e5e7eb;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  --accent: #3b82f6;
  --accent-glow: rgba(59,130,246,0.15);
  --green: #10b981;
  --green-glow: rgba(16,185,129,0.15);
  --amber: #f59e0b;
  --red: #ef4444;
  --header-bg: rgba(10,10,10,0.85);
  --font: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

.light {
  --bg: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --border: rgba(0,0,0,0.08);
  --border-hover: rgba(0,0,0,0.14);
  --text: #1e293b;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --header-bg: rgba(248,250,252,0.9);
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

#bgCanvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.4;
  pointer-events: none;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1rem;
  flex-wrap: wrap;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  font-size: 1.8rem;
  color: var(--accent);
  filter: drop-shadow(0 0 8px var(--accent-glow));
}

.logo-icon.small { font-size: 1.2rem; }

.logo h1 {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-stats {
  display: flex;
  gap: 0.5rem;
}

.stat-pill {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.stat-value {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--text);
}

.stat-pill.hot .stat-value { color: var(--accent); }

.theme-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.theme-toggle:hover { border-color: var(--border-hover); background: var(--bg-card-hover); }

/* Controls */
.controls {
  position: sticky;
  top: 73px;
  z-index: 99;
  background: var(--header-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
}

.controls-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
  flex-wrap: wrap;
}

.search-wrap {
  position: relative;
  flex: 1;
  min-width: 200px;
  max-width: 360px;
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
}

.search-input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.6rem 1rem 0.6rem 2.5rem;
  border-radius: 8px;
  font-family: var(--font);
  font-size: 0.875rem;
  transition: all 0.2s;
}
.search-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.search-input::placeholder { color: var(--text-dim); }

.filter-tabs {
  display: flex;
  gap: 0.25rem;
  overflow-x: auto;
  flex: 1;
}

.filter-tab {
  background: none;
  border: 1px solid transparent;
  color: var(--text-muted);
  padding: 0.45rem 0.85rem;
  border-radius: 6px;
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}
.filter-tab:hover { color: var(--text); background: var(--bg-card); }
.filter-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }


/* Main content */
.main-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  position: relative;
  z-index: 1;
}

.repo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(370px, 1fr));
  gap: 1rem;
}

/* Repo cards */
.repo-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  transition: all 0.25s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.repo-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.repo-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.repo-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  text-decoration: none;
  line-height: 1.3;
}
.repo-name:hover { color: var(--accent); }

.repo-owner {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-weight: 400;
}

.velocity-badge {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.2rem 0.55rem;
  border-radius: 100px;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.velocity-explosive { background: var(--green-glow); color: var(--green); border: 1px solid rgba(16,185,129,0.3); }
.velocity-hot { background: var(--accent-glow); color: var(--accent); border: 1px solid rgba(59,130,246,0.3); }
.velocity-warm { background: rgba(245,158,11,0.12); color: var(--amber); border: 1px solid rgba(245,158,11,0.25); }
.velocity-moderate { background: rgba(107,114,128,0.1); color: var(--text-muted); border: 1px solid var(--border); }

.repo-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.repo-summary {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.5;
  font-style: italic;
  padding: 0.5rem 0.75rem;
  background: rgba(59,130,246,0.04);
  border-left: 2px solid var(--accent);
  border-radius: 0 4px 4px 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.repo-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: auto;
}

.repo-stat {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.75rem;
  color: var(--text-dim);
  font-family: var(--mono);
}

.repo-stat svg { opacity: 0.5; }

.repo-tags {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.tag {
  font-size: 0.68rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-family: var(--mono);
  font-weight: 500;
  background: rgba(59,130,246,0.08);
  color: var(--accent);
  border: 1px solid rgba(59,130,246,0.15);
}

.tag-lang {
  background: rgba(16,185,129,0.08);
  color: var(--green);
  border-color: rgba(16,185,129,0.15);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-muted);
}
.empty-icon { font-size: 3rem; margin-bottom: 1rem; }
.empty-state h2 { font-weight: 600; font-size: 1.2rem; margin-bottom: 0.5rem; }



/* Hot Sections */
.hot-sections {
  max-width: 1280px;
  margin: 0 auto 0;
  padding: 0 1.5rem 1.5rem;
  display: block;
  position: relative;
  z-index: 1;
}

.hot-section {
  margin-bottom: 1.25rem;
}

.hot-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.hot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.hot-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.65rem 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.hot-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}

.hot-rank {
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--text);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hot-meta {
  font-size: 0.65rem;
  color: var(--text-dim);
  font-family: var(--mono);
  flex-shrink: 0;
}

.hot-badge {
  flex-shrink: 0;
  padding: 0.15rem 0.45rem;
  border-radius: 100px;
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 600;
}

.hot-placeholder {
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 0.5rem;
}

.section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  padding: 0 1.5rem;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 768px) {
  .hot-grid { grid-template-columns: 1fr; }
  .pagination { overflow-x: auto; justify-content: flex-start; padding-bottom: 0.5rem; }
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 2rem;
}

.page-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.page-btn:hover {
  border-color: var(--border-hover);
  color: var(--text);
  background: var(--bg-card-hover);
}

.page-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 600;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 1.5rem;
  position: relative;
  z-index: 1;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }

.newsletter-box {
  max-width: 400px;
  width: 100%;
}

.newsletter-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
}

.newsletter-input {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.6rem 1rem;
  border-radius: 8px;
  font-family: var(--font);
  font-size: 0.85rem;
}
.newsletter-input:focus { outline: none; border-color: var(--accent); }

.newsletter-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}
.newsletter-btn:hover { filter: brightness(1.15); }

.footer-credit {
  font-size: 0.75rem;
  color: var(--text-dim);
}
.footer-credit a { color: var(--accent); text-decoration: none; }

/* Repo detail page */
.repo-detail {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 0;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
  transition: color 0.2s;
}
.back-link:hover { color: var(--accent); }

.repo-detail-header {
  margin-bottom: 2rem;
}

.repo-detail-name {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.repo-detail-owner {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

.repo-detail-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.repo-detail-summary {
  background: rgba(59,130,246,0.06);
  border: 1px solid rgba(59,130,246,0.15);
  border-radius: 10px;
  padding: 1.25rem;
  margin: 1.5rem 0;
}

.repo-detail-summary h3 {
  font-size: 0.85rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.repo-detail-summary p {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.7;
}

.detail-stats {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin: 1.5rem 0;
}

.detail-stat {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.detail-stat-label { font-size: 0.7rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.05em; }
.detail-stat-value { font-family: var(--mono); font-size: 1.2rem; font-weight: 600; }

.detail-actions {
  display: flex;
  gap: 0.75rem;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  border-radius: 8px;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary { background: var(--accent); color: #fff; border: none; }
.btn-primary:hover { filter: brightness(1.15); }

.btn-secondary { background: var(--bg-card); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--border-hover); background: var(--bg-card-hover); }

.readme-preview {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  margin-top: 1.5rem;
  overflow-x: auto;
}
.readme-preview pre {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.6;
}

.related-section {
  margin-top: 3rem;
}
.related-section h3 { font-size: 1.1rem; margin-bottom: 1rem; }

/* Archive page */
.archive-main {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.archive-header {
  margin-bottom: 2rem;
}
.archive-header h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 0.5rem; }
.archive-header p { color: var(--text-muted); font-size: 0.9rem; }

.date-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.date-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.2s;
}
.date-item:hover { border-color: var(--accent); background: var(--bg-card-hover); }
.date-item-date { font-weight: 600; font-family: var(--mono); font-size: 0.9rem; }
.date-item-count { font-size: 0.8rem; color: var(--text-muted); font-family: var(--mono); }

/* Mobile */
@media (max-width: 768px) {
  .header-inner { flex-direction: column; align-items: flex-start; }
  .repo-grid { grid-template-columns: 1fr; }
  .header-stats { display: none; }
  .controls-inner { flex-direction: column; align-items: stretch; }
  .search-wrap { max-width: none; }
  .filter-tabs { overflow-x: auto; padding-bottom: 0.25rem; }
  .detail-actions { flex-direction: column; }
}

@media (max-width: 480px) {
  .header { padding: 0 1rem; }
  .controls { padding: 0 1rem; }
  .main-content { padding: 1rem; }
  .repo-card { padding: 1rem; }
  .repo-name { font-size: 0.9rem; }
}

/* Header-right (replace header-actions in newer HTML) */
.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Stat pill variants */
.stat-pill.hot { border-color: rgba(245,158,11,0.25); }
.stat-pill.hot .stat-label { color: var(--amber); font-size: 0.65rem; margin-right: 0.2rem; }
.stat-pill.week { border-color: rgba(59,130,246,0.25); }
.stat-pill.week .stat-label { color: var(--accent); font-size: 0.65rem; margin-right: 0.2rem; }
.stat-pill.month { border-color: rgba(16,185,129,0.25); }
.stat-pill.month .stat-label { color: var(--green); font-size: 0.65rem; margin-right: 0.2rem; }
.stat-pill .stat-label { font-size: 0.65rem; margin-right: 0.25rem; }

@media (max-width: 768px) {
  .header-stats { overflow-x: auto; max-width: 100%; padding-bottom: 0.25rem; display: flex !important; }
  .stat-pill { font-size: 0.65rem; padding: 0.25rem 0.6rem; }
  .stat-pill .stat-label { font-size: 0.6rem; }
  .pagination { overflow-x: auto; justify-content: flex-start; padding-bottom: 0.5rem; }
}