/* Infrastructure Atlas — Systems Registry UI */

.atlas-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
}

.atlas-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 6px 8px;
  border-radius: 8px;
  transition: background 0.15s, color 0.15s;
}

.atlas-nav a:hover,
.atlas-nav a.active {
  color: var(--text);
  background: rgba(34, 197, 94, 0.08);
}

.atlas-hero .atlas-stats-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

@media (max-width: 1100px) {
  .atlas-hero .atlas-stats-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .atlas-hero .atlas-stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.systems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  padding: 0 24px 32px;
}

.system-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.2s, transform 0.2s;
}

.system-card:hover {
  border-color: rgba(34, 197, 94, 0.35);
  transform: translateY(-2px);
}

.system-card-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.system-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.system-title-row h4 {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
}

.system-icon {
  font-size: 1.25rem;
  line-height: 1;
}

.system-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.system-badge {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.system-badge.category {
  color: var(--cyan);
  border-color: rgba(6, 182, 212, 0.25);
  background: rgba(6, 182, 212, 0.08);
}

.system-badge.flagship {
  color: var(--amber);
  border-color: rgba(245, 158, 11, 0.3);
  background: rgba(245, 158, 11, 0.1);
}

.status-live {
  color: var(--accent);
  border-color: rgba(34, 197, 94, 0.3);
  background: var(--accent-dim);
}

.status-prototype {
  color: var(--purple);
  border-color: rgba(139, 92, 246, 0.3);
  background: rgba(139, 92, 246, 0.1);
}

.status-designed {
  color: #818cf8;
  border-color: rgba(129, 140, 248, 0.3);
  background: rgba(129, 140, 248, 0.08);
}

.status-internal {
  color: var(--amber);
  border-color: rgba(245, 158, 11, 0.25);
  background: rgba(245, 158, 11, 0.08);
}

.status-pilot {
  color: var(--cyan);
  border-color: rgba(6, 182, 212, 0.25);
  background: rgba(6, 182, 212, 0.08);
}

.status-audit {
  color: var(--red);
  border-color: rgba(239, 68, 68, 0.3);
  background: rgba(239, 68, 68, 0.08);
}

.status-testnet {
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.3);
  background: rgba(56, 189, 248, 0.08);
}

.system-tagline {
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.45;
}

.system-desc {
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.system-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.system-chips.tech {
  margin-top: -4px;
}

.chip {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.chip-chain {
  color: #a5b4fc;
  border-color: rgba(165, 180, 252, 0.2);
}

.chip-tech {
  color: #86efac;
  border-color: rgba(134, 239, 172, 0.15);
}

.chip-muted {
  opacity: 0.7;
}

.system-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.system-link {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

.system-link:hover {
  text-decoration: underline;
}

.system-meta {
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.system-meta code {
  font-family: var(--font-mono);
  color: var(--purple);
}