:root {
  color-scheme: light dark;
  --bg: #fbfaf7;
  --fg: #1f2328;
  --muted: #5c6670;
  --accent: #1f6f5f;
  --accent-fg: #ffffff;
  --surface: #ffffff;
  --border: #d9dee3;
  --danger: #a33a2e;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15181c;
    --fg: #e8eaed;
    --muted: #9aa4ae;
    --accent: #5fc2a9;
    --accent-fg: #0f1a17;
    --surface: #1e2328;
    --border: #343b43;
    --danger: #e07a6c;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--fg);
  font: 18px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: grid;
  place-items: center;
  padding: 16px;
}

.login {
  width: 100%;
  max-width: 28rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
}

.login__title {
  margin: 0 0 8px;
  font-size: 2rem;
  letter-spacing: 0.01em;
  color: var(--accent);
}

.login__lead {
  margin: 0 0 16px;
}

.login__hint {
  margin: 0 0 24px;
  color: var(--muted);
}

.login__button {
  display: flex;
  justify-content: center;
  min-height: 48px;
  margin-bottom: 16px;
}

.login__status,
.login__error {
  margin: 0 0 16px;
  padding: 12px 16px;
  border-radius: 12px;
  text-align: left;
}

.login__status {
  border: 1px solid var(--border);
}

.login__error {
  border: 1px solid var(--danger);
  color: var(--danger);
}

.login__retry {
  min-height: 48px;
  padding: 0 24px;
  margin-bottom: 16px;
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  color: var(--accent-fg);
  font: inherit;
  cursor: pointer;
}

.login__retry:focus-visible {
  outline: 3px solid var(--fg);
  outline-offset: 2px;
}

.login__note {
  margin: 8px 0 0;
  font-size: 0.85em;
  color: var(--muted);
}

[hidden] {
  display: none !important;
}