:root {
  --bg: #0b1116;
  --fg: #dce7f3;
  --muted: #1a2430;
  --pri: #3a84ff;
  --err: #ff5d5d;
}
* {
  box-sizing: border-box;
}
body.auth {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.4 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  display: grid;
  place-items: center;
  min-height: 100vh;
}
.auth-card {
  width: min(92vw, 420px);
  background: var(--muted);
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
}
h1 {
  margin: 0 0 6px;
  font-size: 22px;
  text-align: center;
  font-weight: 700;
}
h2 {
  margin: 0 0 16px;
  font-size: 16px;
  text-align: center;
  font-weight: 600;
  opacity: 0.9;
}
label {
  display: block;
  margin: 12px 0 4px;
  font-size: 12px;
  opacity: 0.8;
}
.input {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border-radius: 8px;
  border: 1px solid #0000;
  background: #0f1720;
  color: var(--fg);
}
.input:focus {
  outline: 2px solid color-mix(in oklab, var(--pri), white 10%);
}
.btn {
  width: 100%;
  margin-top: 16px;
  padding: 0.65rem 0.9rem;
  border: 0;
  border-radius: 8px;
  background: var(--pri);
  color: #fff;
  cursor: pointer;
}
.btn:hover {
  opacity: 0.9;
}
.auth-error {
  background: color-mix(in oklab, var(--err), black 25%);
  color: #fff;
  padding: 0.5rem 0.7rem;
  border-radius: 6px;
  margin: 0 0 10px;
}