:root {
  font-family: system-ui, sans-serif;
  color: #1a1a1a;
  background: #f6f7fb;
}

body {
  margin: 0;
}

.shell {
  max-width: 720px;
  margin: 2rem auto;
  padding: 0 1rem 3rem;
}

.hero h1 {
  margin-bottom: 0.25rem;
}

.muted {
  color: #555;
  font-size: 0.95rem;
}

.card {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 1rem;
  margin-top: 1rem;
}

.card h2 {
  margin-top: 0;
  font-size: 1.1rem;
}

.auth-card {
  margin-top: 0;
}

.setup-hint {
  background: #eef4fc;
  border: 1px solid #c5d9f0;
  border-radius: 6px;
  padding: 0.75rem;
  font-size: 0.92rem;
  margin: 0 0 1rem;
}

.tabs {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.tab {
  background: #eee;
  color: #333;
  border: 1px solid #ccc;
  padding: 0.45rem 0.9rem;
}

.tab.active {
  background: #1a4d8f;
  color: #fff;
  border-color: #1a4d8f;
}

.tab:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.error {
  color: #b00020;
}

pre {
  overflow: auto;
  font-size: 0.85rem;
}

.form {
  display: grid;
  gap: 0.75rem;
}

.form label {
  display: grid;
  gap: 0.25rem;
  font-size: 0.9rem;
}

.form input {
  padding: 0.5rem 0.6rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  font: inherit;
}

button {
  padding: 0.55rem 1rem;
  border: none;
  border-radius: 6px;
  background: #1a4d8f;
  color: #fff;
  font: inherit;
  cursor: pointer;
  width: fit-content;
}

button:disabled {
  opacity: 0.6;
  cursor: wait;
}

button.secondary {
  background: #eee;
  color: #222;
  border: 1px solid #ccc;
}

.session p {
  margin: 0.35rem 0;
}