:root {
  --bg: #0A0A0B;
  --card: #121214;
  --border-strong: #2A2A2E;
  --fg: #FFFFFF;
  --fg-muted: rgba(255,255,255,0.64);
  --fg-subtle: rgba(255,255,255,0.40);
  --hairline: rgba(255,255,255,0.10);
  --violet: #6D2BE8;
  --violet-text: #9B6DF2;
  --neg: #E2362C;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background:
    radial-gradient(900px 520px at 50% 22%, rgba(109,43,232,0.07), transparent 70%),
    var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.5;
}
main { min-height: 100%; display: grid; place-items: center; padding: 24px; }

.card {
  width: 100%; max-width: 360px;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 2px;
  padding: 28px 26px 26px;
}
.mark { font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: var(--fg-subtle); }
.mark span { color: var(--violet-text); padding: 0 3px; }
h1 { font-size: 19px; font-weight: 700; letter-spacing: -0.01em; margin: 14px 0 4px; }
.sub { font-size: 11px; color: var(--fg-muted); margin-bottom: 24px; }

label {
  display: block; font-size: 9px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--fg-subtle); margin-bottom: 6px;
}
input {
  width: 100%; font-family: var(--mono); font-size: 13px; color: var(--fg);
  background: #0A0A0B; border: 1px solid var(--border-strong); border-radius: 2px;
  padding: 11px 12px; outline: none;
}
input:focus { border-color: var(--violet); box-shadow: 0 0 0 1px var(--violet); }

.err { min-height: 18px; font-size: 10px; color: var(--neg); padding: 5px 0 0; }

button {
  width: 100%; margin-top: 10px;
  font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: .04em;
  background: var(--fg); color: #0A0A0B;
  border: 1px solid var(--fg); border-radius: 999px;
  padding: 12px 16px; cursor: pointer;
}
button:hover { background: rgba(255,255,255,0.88); }
button:disabled { opacity: .6; cursor: default; }
button:focus-visible { outline: 2px solid var(--violet); outline-offset: 2px; }