:root { color-scheme: dark; }
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: radial-gradient(900px 600px at 50% -10%, #2b1250 0%, #0b0614 65%) fixed, #0b0614;
  color: #f4f0ff;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  display: grid;
  place-items: center;
  padding: 16px;
}
main { width: 100%; max-width: 380px; }
form { background: #120a22e6; border: 1px solid #3a2a5c; border-radius: 18px; padding: 28px 22px; display: flex; flex-direction: column; gap: 12px; }
.brand { text-align: center; font-weight: 900; font-size: 32px; letter-spacing: 2px; color: #ffcc33; text-shadow: 0 2px 0 #6b3a00; margin-bottom: 10px; }
.brand span { color: #f4f0ff; margin-left: 8px; font-weight: 700; }
label { color: #a99cc8; font-size: 14px; }
input { background: #0f0820; border: 1px solid #3a2a5c; color: inherit; border-radius: 10px; padding: 12px; font: inherit; min-height: 46px; }
input:focus { outline: 2px solid #c98a00; }
button { min-height: 48px; border: none; border-radius: 10px; font: inherit; font-weight: 800; background: linear-gradient(#ffd75a, #d99a00); color: #2a1600; cursor: pointer; }
button:disabled { opacity: 0.6; }
#error { color: #f87171; margin: 0; }