:root {
  --bg: #f4f5f8;
  --fg: #1b1f2a;
  --muted: #687085;
  --line: #d8dbe4;
  --field: #fff;
  --accent: #3d5afe;
  --accent-fg: #fff;
  --alert-bg: #fdecec;
  --alert-fg: #a1262b;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12141a;
    --fg: #e6e8ef;
    --muted: #8d94a6;
    --line: #2b2f3b;
    --field: #1a1d25;
    --accent: #6b80ff;
    --accent-fg: #0d0f14;
    --alert-bg: #3a1a1d;
    --alert-fg: #f3a7ab;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
.bar {
  height: 56px;
  display: flex;
  align-items: center;
  padding: 0 24px;
  border-bottom: 1px solid var(--line);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--fg);
  text-decoration: none;
}
.wrap {
  max-width: 360px;
  margin: 72px auto 48px;
  padding: 0 16px;
}
h1 {
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 20px;
}
form { display: grid; gap: 6px; }
label { font-size: 13px; color: var(--muted); }
input {
  width: 100%;
  height: 40px;
  padding: 0 12px;
  margin-bottom: 10px;
  font: inherit;
  color: var(--fg);
  background: var(--field);
  border: 1px solid var(--line);
  border-radius: 6px;
}
input:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
button {
  height: 40px;
  margin-top: 6px;
  font: inherit;
  font-weight: 600;
  color: var(--accent-fg);
  background: var(--accent);
  border: 0;
  border-radius: 6px;
  cursor: pointer;
}
button:hover { filter: brightness(1.06); }
.alert {
  margin: 0 0 16px;
  padding: 10px 12px;
  border-radius: 6px;
  background: var(--alert-bg);
  color: var(--alert-fg);
  font-size: 14px;
}
.code { margin: 0 0 4px; font-size: 13px; letter-spacing: .08em; color: var(--muted); }
.muted { color: var(--muted); margin: -8px 0 0; }