:root {
  --ink: #10243a;
  --muted: #5b6b7c;
  --line: #dfe6ee;
  --card: #ffffff;
  --bg: #f4f7fb;
  --accent: #1f6feb;
}

* { box-sizing: border-box; }

body.hub-page {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.hub-shell {
  max-width: 980px;
  margin: 0 auto;
  padding: 48px 24px 72px;
}

.hub-header h1 {
  margin: 0 0 8px;
  font-size: 2.4rem;
  letter-spacing: -0.02em;
}

.hub-header p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.hub-section { margin-top: 44px; }

.hub-section h2 {
  margin: 0 0 6px;
  font-size: 1.35rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.hub-tag {
  font-size: .78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  background: #e8eef7;
  border-radius: 999px;
  padding: 3px 10px;
}

.hub-note {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: .95rem;
}

.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.hub-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
  transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease;
}

.hub-card:hover, .hub-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 10px 24px rgba(16, 36, 58, .10);
  outline: none;
}

.hub-card-label {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--accent);
  font-weight: 700;
}

.hub-card-name { font-size: 1.12rem; font-weight: 600; }

.hub-card-code {
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: .82rem;
  color: var(--muted);
}

.hub-card-teams { border-left: 5px solid #7e57c2; }