:root {
  color-scheme: dark;
  --bg: #0d0d12;
  --surface: #17171f;
  --surface-variant: #201f2b;
  --accent: #7c5cff;
  --accent-light: #9b82ff;
  --text: #f2f2f7;
  --text-secondary: #9a99a8;
  --danger: #ff5c5c;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border-radius: 16px;
  padding: 32px 28px;
}
h1 {
  color: var(--accent-light);
  text-align: center;
  margin: 0 0 6px;
  font-size: 30px;
}
p.sub {
  text-align: center;
  color: var(--text-secondary);
  margin: 0 0 28px;
  font-size: 14px;
}
label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin: 14px 0 6px;
}
input, select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--surface-variant);
  background: var(--surface-variant);
  color: var(--text);
  font-size: 15px;
}
input:focus, select:focus { outline: 2px solid var(--accent); }
button, .btn {
  display: block;
  width: 100%;
  margin-top: 22px;
  padding: 13px;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: white;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent-light);
}
.error {
  background: rgba(255,92,92,0.15);
  color: var(--danger);
  padding: 12px;
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 8px;
}
.success {
  background: rgba(124,92,255,0.18);
  color: var(--accent-light);
  padding: 12px;
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 8px;
}
.divider {
  text-align: center;
  color: var(--text-secondary);
  font-size: 12px;
  margin: 22px 0 6px;
}
.info-box {
  margin-top: 22px;
  padding: 14px;
  border-radius: 10px;
  background: var(--surface-variant);
  color: var(--text-secondary);
  font-size: 13px;
  text-align: center;
}
.row { display: flex; gap: 12px; }
.row > div { flex: 1; }