:root {
  --bg: #f7f7f5;
  --fg: #1a1a1a;
  --muted: #5b5b5b;
  --accent: #1a4f8a;
  --border: #d8d8d4;
  --card: #ffffff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}

.banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 56rem;
  margin: 2px auto 0 auto;
  padding: 1rem 2rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.banner h1 {
  font-size: 1.25rem;
  margin: 0;
  letter-spacing: 0.01em;
}

.identity-action-stack {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.signed-in-email {
  color: var(--muted);
  font-size: 0.9rem;
}

button, .signin-link {
  font: inherit;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  cursor: pointer;
  border-radius: 4px;
  text-decoration: none;
}

button:hover, .signin-link:hover { border-color: var(--accent); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.agents-block, .install-block {
  max-width: 56rem;
  margin: 2rem auto;
  padding: 0 2rem;
}

.agents-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card);
}

.agent-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}

.agent-row:last-child { border-bottom: none; }

.agent-label { font-weight: 500; }
.agent-last-used { color: var(--muted); font-size: 0.85rem; }

.agents-empty {
  padding: 1rem;
  color: var(--muted);
  border: 1px dashed var(--border);
  border-radius: 6px;
  background: var(--card);
}

.install-block h2 {
  font-size: 1.1rem;
  margin: 0 0 1rem;
}

.install-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}

.install-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.snippet {
  background: #11151c;
  color: #e8efff;
  padding: 0.75rem 1rem;
  border-radius: 4px;
  overflow-x: auto;
  font-family: ui-monospace, "Menlo", "Consolas", monospace;
  font-size: 0.85rem;
  margin: 0.5rem 0;
}

.site-footer {
  text-align: center;
  padding: 2rem;
  color: var(--muted);
}