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

:root {
  --bg-primary: #0a0a1a;
  --bg-card: #111128;
  --bg-card-hover: #161640;
  --border: #1e1e4a;
  --text-primary: #e8e8f0;
  --text-secondary: #8888aa;
  --text-muted: #555570;
  --accent-github: #58a6ff;
  --accent-growth: #3fb950;
  --accent-warning: #d29922;
  --accent-hot: #f85149;
  --accent-purple: #a371f7;
  --accent-cyan: #39d4e0;
  --gradient-github: linear-gradient(135deg, #58a6ff 0%, #a371f7 100%);
  --accent-packages: #f97316;
  --gradient-packages: linear-gradient(135deg, #f97316 0%, #fb923c 100%);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(88, 166, 255, 0.15);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
}

.dashboard {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.dashboard-header {
  text-align: center;
  margin-bottom: 3rem;
  padding: 2rem 0;
}

.dashboard-header h1 {
  font-size: 2.2rem;
  font-weight: 700;
  background: var(--gradient-github);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.dashboard-header .subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
}

.meta-bar {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.meta-bar .meta-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.meta-bar .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-growth);
  display: inline-block;
}

/* Module navigation */
.module-nav {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.module-nav a {
  padding: 0.5rem 1.2rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  transition: all 0.2s;
}

.module-nav a:hover, .module-nav a.active {
  color: var(--accent-github);
  border-color: var(--accent-github);
  box-shadow: var(--shadow-glow);
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s;
}

.card:hover {
  border-color: rgba(88, 166, 255, 0.3);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.card-header h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.card-header .badge {
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 12px;
  background: rgba(88, 166, 255, 0.1);
  color: var(--accent-github);
  border: 1px solid rgba(88, 166, 255, 0.2);
}

/* Grid layouts */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.5rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

/* Stat boxes */
.stat-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.2rem;
  text-align: center;
}

.stat-box .stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-github);
  line-height: 1.2;
}

.stat-box .stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.3rem;
}

.stat-box .stat-change {
  font-size: 0.75rem;
  margin-top: 0.3rem;
}

.stat-change.up { color: var(--accent-growth); }
.stat-change.down { color: var(--accent-hot); }

/* Charts */
.chart-container {
  position: relative;
  width: 100%;
  height: 300px;
}

.chart-container.tall {
  height: 400px;
}

.chart-container.short {
  height: 200px;
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.data-table th {
  text-align: left;
  padding: 0.6rem 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.data-table td {
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid rgba(30, 30, 74, 0.5);
  color: var(--text-primary);
}

.data-table tr:hover td {
  background: rgba(88, 166, 255, 0.03);
}

.data-table .repo-name {
  color: var(--accent-github);
  font-weight: 500;
}

.data-table .number {
  font-variant-numeric: tabular-nums;
  text-align: right;
}

/* Loading state */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
  color: var(--text-muted);
}

.loading::after {
  content: '';
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent-github);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-left: 0.8rem;
}

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

/* Confidence indicator */
.confidence {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.75rem;
}

.confidence-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.confidence-high { background: var(--accent-growth); }
.confidence-medium { background: var(--accent-warning); }
.confidence-low { background: var(--accent-hot); }

/* Ecosystem badges */
.badge-npm {
  display: inline-block;
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 10px;
  background: rgba(203, 56, 55, 0.15);
  color: #e85d5c;
  border: 1px solid rgba(203, 56, 55, 0.25);
  font-weight: 500;
}

.badge-pypi {
  display: inline-block;
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 10px;
  background: rgba(53, 114, 165, 0.15);
  color: #5ba4d9;
  border: 1px solid rgba(53, 114, 165, 0.25);
  font-weight: 500;
}

.badge-vscode {
  display: inline-block;
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 10px;
  background: rgba(0, 122, 204, 0.15);
  color: #3ea8ff;
  border: 1px solid rgba(0, 122, 204, 0.25);
  font-weight: 500;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Responsive */
@media (max-width: 768px) {
  .dashboard { padding: 1rem; }
  .dashboard-header h1 { font-size: 1.6rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .meta-bar { flex-direction: column; align-items: center; gap: 0.5rem; }
  .chart-container { height: 250px; }
}

@media (max-width: 480px) {
  .dashboard-header h1 { font-size: 1.3rem; }
  .card { padding: 1rem; }
}

/* Footer */
.dashboard-footer {
  text-align: center;
  padding: 3rem 0 2rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  border-top: 1px solid var(--border);
  margin-top: 3rem;
}

.dashboard-footer a {
  color: var(--text-secondary);
  text-decoration: none;
}

.dashboard-footer a:hover {
  color: var(--accent-github);
}