* {
  box-sizing: border-box;
}

:root {
  color-scheme: dark;
  --bg: #0d1119;
  --panel: #171d2b;
  --panel-2: #111827;
  --border: #2c3548;
  --text: #f7f9ff;
  --muted: #b8c2d8;
  --accent: #78a6ff;
  --good: #4ade80;
  --bad: #ff6b6b;
  --warn: #facc15;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  background: radial-gradient(circle at top, #1a2340, var(--bg) 45%);
  color: var(--text);
}

a {
  color: var(--accent);
}

.container {
  width: min(980px, 100%);
  margin: 0 auto;
  padding: 28px;
}

.center {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.card {
  width: min(760px, 100%);
  background: rgba(23, 29, 43, 0.95);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.38);
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.two {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  padding: 7px 11px;
  border-radius: 999px;
  background: #26314a;
  color: #d5e1ff;
  font-size: 14px;
  font-weight: 700;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(32px, 6vw, 54px);
  line-height: 1.05;
}

h2 {
  margin: 0 0 10px;
  font-size: 24px;
}

p {
  color: var(--muted);
  line-height: 1.6;
}

label {
  display: block;
  margin: 14px 0 6px;
  color: #d8e1f7;
  font-weight: 700;
}

input {
  width: 100%;
  border: 1px solid var(--border);
  background: #0c111d;
  color: var(--text);
  border-radius: 14px;
  padding: 13px 14px;
  outline: none;
}

input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(120, 166, 255, 0.18);
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 20px;
}

button,
.button {
  appearance: none;
  border: 0;
  border-radius: 14px;
  padding: 12px 16px;
  font-weight: 800;
  cursor: pointer;
  text-decoration: none;
  background: #f7f9ff;
  color: #111827;
}

button.secondary,
.button.secondary {
  background: #26314a;
  color: var(--text);
}

button.danger {
  background: #3a1720;
  color: #ffd6d6;
  border: 1px solid #6a2b3a;
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.notice {
  margin-top: 18px;
  padding: 14px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--muted);
  border-radius: 16px;
  white-space: pre-wrap;
}

.notice.good {
  border-color: rgba(74, 222, 128, 0.5);
  color: #c9f8d8;
}

.notice.bad {
  border-color: rgba(255, 107, 107, 0.5);
  color: #ffd6d6;
}

.status-box {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 10px 0 8px;
  padding: 10px 12px;
  border-radius: 14px;
  background: #0f1726;
  color: #d7e1ff;
  border: 1px solid var(--border);
  font-weight: 700;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--good);
  box-shadow: 0 0 18px rgba(74, 222, 128, 0.75);
}

pre {
  overflow: auto;
  padding: 16px;
  border-radius: 14px;
  background: #080c13;
  color: #d7e1ff;
  min-height: 90px;
}

.small {
  font-size: 13px;
  color: #98a6c2;
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 24px 0;
}

.passkey-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.passkey-item {
  padding: 12px;
  border: 1px solid var(--border);
  background: #0f1625;
  border-radius: 14px;
}