:root {
  --bg: #080810;
  --panel: #0f0f1a;
  --text: #c8cfe8;
  --dim: #6066a0;
  --c0: #00f2ff;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, sans-serif;
  padding: 24px;
}
main {
  max-width: 560px;
  text-align: center;
  background: var(--panel);
  border: 1px solid #252540;
  border-radius: 16px;
  padding: 48px 32px;
}
h1 {
  font-size: clamp(28px, 6vw, 44px);
  color: #fff;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.dot { color: var(--c0); }
p { color: var(--dim); line-height: 1.5; margin-top: 10px; }
.hint { font-size: 13px; margin-top: 24px; }
code {
  font-family: ui-monospace, monospace;
  color: var(--c0);
  background: rgba(0, 242, 255, 0.06);
  padding: 2px 6px;
  border-radius: 4px;
}