:root {
  --bg: #0b0d12;
  --surface: #151822;
  --surface-hover: #1c202c;
  --border: #262b38;
  --text: #f2f3f5;
  --text-dim: #9aa0ac;
  --accent: #6c8cff;
  --live: #3ddc84;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding: 48px 24px 64px;
}

.hub-header {
  max-width: 960px;
  margin: 0 auto 40px;
  text-align: center;
}

.hub-header h1 {
  font-size: 2.4rem;
  margin: 0 0 8px;
  font-weight: 700;
}

.hub-header h1 span {
  color: var(--text-dim);
  font-weight: 400;
}

.subtitle {
  color: var(--text-dim);
  margin: 0;
  font-size: 1rem;
}

.grid {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  text-decoration: none;
  color: var(--text);
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

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

.card-top {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 4px;
}

.badge {
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(61, 220, 132, 0.12);
  color: var(--live);
  font-weight: 600;
}

.card h2 {
  margin: 0 0 6px;
  font-size: 1.3rem;
}

.desc {
  margin: 0 0 12px;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.commit-log {
  margin: 0 0 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.78rem;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.visit {
  margin-top: auto;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
}

.card-disabled {
  cursor: default;
  opacity: 0.6;
}

.card-disabled:hover {
  transform: none;
  border-color: var(--border);
  background: var(--surface);
}

.badge.upcoming {
  background: rgba(154, 160, 172, 0.12);
  color: var(--text-dim);
}

.hub-footer {
  max-width: 960px;
  margin: 48px auto 0;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.8rem;
}