:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --ring: rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial,
    "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 50% -20%, #ffffff, var(--bg));
  color: var(--text);
}

.wrap {
  min-height: 100%;
  display: grid;
  place-content: center;
  gap: 14px;
  padding: 28px;
  text-align: center;
}

.wrap {
  max-width: 560px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--ring);
  border-radius: 18px;
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
}

.logo {
  width: min(360px, 80vw);
  height: auto;
  margin: 4px auto 2px;
  display: block;
}

h1 {
  margin: 0;
  font-size: 28px;
  letter-spacing: -0.02em;
}

p {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 16px;
}

a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:hover {
  opacity: 0.85;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --card: #0f172a;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --ring: rgba(226, 232, 240, 0.12);
  }

  body {
    background: radial-gradient(1200px 600px at 50% -20%, #111b33, var(--bg));
  }
}