:root {
  --primary: #4b3fe4;
  --primary-dark: #3b2fd0;
  --primary-light: #eeecfc;
  --text: #14141a;
  --text-secondary: #6b6b78;
  --bg: #ffffff;
  --surface: #f7f7fa;
  --border: #ecece8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --primary: #8f86ff;
    --primary-dark: #a49dff;
    --primary-light: #24213f;
    --text: #f2f2f7;
    --text-secondary: #a5a5b3;
    --bg: #111116;
    --surface: #1b1b22;
    --border: #2b2b35;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

main {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}

.card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 32px 24px;
  text-align: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 18px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.2px;
}

.brand img {
  width: 24px;
  height: 24px;
  border-radius: 6px;
}

h1 {
  margin: 0 0 8px;
  font-size: 22px;
  line-height: 1.25;
}

p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.code {
  margin: 0 0 16px;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 15px;
  color: var(--text);
  word-break: break-all;
}

.code small {
  display: block;
  margin-bottom: 4px;
  font-family: inherit;
  font-size: 12px;
  color: var(--text-secondary);
}

.badge {
  display: inline-block;
  margin: 0 0 16px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
}

.button {
  display: block;
  width: 100%;
  margin: 0 0 12px;
  padding: 14px 16px;
  border-radius: 16px;
  background: var(--primary);
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
}

.button:active {
  background: var(--primary-dark);
}

.button.secondary {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}

.note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.45;
  color: var(--text-secondary);
}

[hidden] {
  display: none !important;
}