/* MCP interoperability layer — protocol infrastructure aesthetic */

.mcp-hero-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: 0.65rem;
  margin-top: 1.25rem;
}

.mcp-hero-meta__cell {
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--surface-border-strong);
  border-radius: var(--radius-md);
  background: var(--surface-secondary);
}

.mcp-hero-meta__label {
  display: block;
  margin: 0 0 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.mcp-hero-meta__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-primary);
  word-break: break-word;
}

.mcp-protocol-flow {
  margin: 1rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--text-secondary);
  white-space: pre-wrap;
  padding: 0.85rem 1rem;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  background: var(--bg-tertiary);
}

.mcp-section-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 1.25rem;
}

.mcp-section-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-pill);
  background: var(--surface-secondary);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
}

.mcp-section-nav a:hover {
  border-color: var(--surface-border-strong);
  color: var(--text-primary);
}

.mcp-compat-grid {
  display: grid;
  gap: 0.65rem;
}

.mcp-compat-row {
  display: grid;
  grid-template-columns: minmax(7rem, 0.35fr) minmax(0, 1fr) minmax(5rem, 0.2fr);
  gap: 0.75rem;
  align-items: center;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  background: var(--surface-secondary);
  font-size: 0.88rem;
}

.mcp-compat-row span:first-child {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.mcp-compat-row span:last-child {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: right;
}

.mcp-compat-status--supported {
  color: var(--text-primary);
}

.mcp-registry-grid {
  display: grid;
  gap: var(--grid-gap);
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
}

a.mcp-registry-card {
  text-decoration: none;
  color: inherit;
  transition:
    border-color var(--duration-base) var(--ease-standard),
    transform var(--duration-base) var(--ease-standard),
    box-shadow var(--duration-base) var(--ease-standard);
}

a.mcp-registry-card:hover {
  border-color: var(--surface-border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.mcp-registry-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.mcp-registry-card__tool {
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  word-break: break-all;
}

.mcp-registry-card__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem 0.75rem;
  margin: 0.85rem 0 0;
  padding: 0;
}

.mcp-registry-card__meta div {
  margin: 0;
}

.mcp-registry-card__meta dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.mcp-registry-card__meta dd {
  margin: 0.15rem 0 0;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.mcp-registry-card__uri {
  margin: 0.75rem 0 0;
  font-size: 0.62rem;
  color: var(--text-muted);
  word-break: break-all;
}

.mcp-pattern-grid {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
}

.mcp-pattern-card {
  padding: 1rem;
  border: 1px solid var(--surface-border-strong);
  border-radius: var(--radius-xl);
  background: var(--surface-secondary);
}

.mcp-pattern-card h3 {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  text-transform: uppercase;
}

.mcp-pattern-card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.mcp-governance-list {
  display: grid;
  gap: 0.75rem;
}

.mcp-governance-item {
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--surface-border-strong);
  background: var(--surface-secondary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.mcp-governance-item h3 {
  margin: 0 0 0.35rem;
  font-size: 0.9rem;
  text-transform: uppercase;
}

.mcp-governance-item p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.mcp-install-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.mcp-install-tabs__btn {
  padding: 0.3rem 0.55rem;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  background: var(--surface-primary);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}

.mcp-install-tabs__btn.is-active {
  border-color: var(--surface-border-strong);
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.mcp-aside-meta {
  padding: 1rem 1.1rem;
  border-top: 1px solid var(--surface-border);
}

.mcp-aside-meta dl {
  display: grid;
  gap: 0.55rem;
  margin: 0;
}

.mcp-aside-meta dt {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.mcp-aside-meta dd {
  margin: 0.15rem 0 0;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

@media (max-width: 42rem) {
  .mcp-compat-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .mcp-compat-row span:last-child {
    text-align: left;
  }
}