:root { color-scheme: dark; }
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: #14161a;
  color: #e8e8e8;
  font-family: system-ui, sans-serif;
}
.card {
  width: min(22rem, 90vw);
  padding: 2rem;
  background: #1d2026;
  border: 1px solid #2c313a;
  border-radius: 8px;
}
h1 { margin: 0 0 1.5rem; font-size: 1.4rem; }
form { display: grid; gap: 1rem; }
label { display: grid; gap: 0.35rem; font-size: 0.85rem; }
input {
  padding: 0.55rem 0.7rem;
  border: 1px solid #2c313a;
  border-radius: 5px;
  background: #14161a;
  color: inherit;
  font-size: 1rem;
}
button {
  padding: 0.6rem;
  border: 0;
  border-radius: 5px;
  background: #3a6ff0;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
}
button:hover { background: #4d7ef5; }
.links { font-size: 0.8rem; }
a { color: #7fa7ff; }
#message { min-height: 1.2em; font-size: 0.85rem; }
#message.error { color: #ff7b72; }
#message.ok { color: #7ee787; }
/* form's display:grid above outranks the UA [hidden] rule */
[hidden] { display: none !important; }