:root {
  color-scheme: light dark;
  --bg: #f2f0fb;
  --card: #ffffff;
  --text: #1b1b24;
  --muted: #5b5870;
  --primary: #0d0552;
  --on-primary: #ffffff;
  --border: #c9c5db;
  --error-bg: #ffe9ea;
  --error-text: #7a0b12;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12101c;
    --card: #1c1a28;
    --text: #ebe9f5;
    --muted: #aaa6c0;
    --primary: #c4bfff;
    --on-primary: #1a1160;
    --border: #46435a;
    --error-bg: #4a1519;
    --error-text: #ffd9db;
  }
}
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main {
  box-sizing: border-box;
  width: min(420px, 100% - 32px);
  padding: 32px;
  background: var(--card);
  border-radius: 16px;
}
h1 {
  margin: 0 0 24px;
  font-size: 1.5rem;
  font-weight: 600;
}
label {
  display: block;
  margin: 16px 0 6px;
  font-size: 0.875rem;
  color: var(--muted);
}
input[type="text"],
input[type="password"] {
  box-sizing: border-box;
  width: 100%;
  padding: 12px;
  font: inherit;
  color: inherit;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
}
input:focus-visible,
button:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}
button {
  width: 100%;
  margin-top: 24px;
  padding: 12px 24px;
  font: inherit;
  font-weight: 500;
  color: var(--on-primary);
  background: var(--primary);
  border: 0;
  border-radius: 999px;
  cursor: pointer;
}
.error {
  margin: 0 0 8px;
  padding: 12px;
  background: var(--error-bg);
  color: var(--error-text);
  border-radius: 8px;
  font-size: 0.875rem;
}
/* "Sign in with Cloud Space": a link that looks like the primary button. */
a.button {
  display: block;
  box-sizing: border-box;
  width: 100%;
  margin: 0 0 8px;
  padding: 12px 24px;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  color: var(--on-primary);
  background: var(--primary);
  border-radius: 999px;
}
a.button:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}