:root {
  --bg: #07060d; --raised: #110f1c; --ink: #f1efff; --quiet: #b1abcf; --hairline: #1e1b30;
  --accent: #c6ff3d; --accent-text: #c6ff3d; --accent-fill: #c6ff3d; --on-accent: #0d0b16;
  --pulse: #ff5cd6; --bad: #ff7a6b; --good: #4fe3c1;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #f4f2fa; --raised: #ffffff; --ink: #0d0b16; --quiet: #4d4866; --hairline: #e7e4f2;
    --accent: #3f7a00; --accent-text: #3f7a00; --bad: #c0262d; --good: #0a7a5c; color-scheme: light; }
  .pz-glow { opacity: 0; }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 24px 16px; background: var(--bg); color: var(--ink);
  background-image: radial-gradient(60rem 30rem at 50% -10%, color-mix(in srgb, var(--accent-fill) 10%, transparent), transparent 70%),
    radial-gradient(40rem 20rem at 110% 110%, color-mix(in srgb, var(--pulse) 9%, transparent), transparent 70%);
  font: 17px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.card { width: 100%; max-width: 420px; background: var(--raised); border: 1px solid var(--hairline); border-radius: 20px; padding: 32px 24px 24px; }
header { margin-bottom: 28px; }
.wordmark { height: 30px; width: auto; color: var(--ink); overflow: visible; }
.pz-hi { fill: var(--accent); }
.pz-glow { opacity: 0.6; }
h1 { font-size: 1.5rem; line-height: 1.2; margin: 0 0 8px; letter-spacing: -0.01em; }
.quiet { color: var(--quiet); margin: 0 0 24px; }
.hint { color: var(--quiet); font-size: 0.85rem; margin: 6px 0 16px; }
label { display: block; font-weight: 600; margin-bottom: 6px; }
input {
  width: 100%; font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--hairline);
  border-radius: 12px; padding: 12px 14px;
}
input:focus-visible, button:focus-visible { outline: 2px solid var(--accent-text); outline-offset: 2px; }
button {
  width: 100%; font: inherit; font-weight: 700; letter-spacing: 0.02em; border-radius: 999px; padding: 14px 20px;
  cursor: pointer; border: 1px solid transparent; margin-top: 8px;
}
button[disabled] { opacity: 0.55; cursor: progress; }
.primary { background: var(--accent-fill); color: var(--on-accent); }
.secondary { background: transparent; color: var(--ink); border-color: var(--accent-text); }
.ghost { background: transparent; color: var(--quiet); border-color: var(--hairline); }
.rule { display: flex; align-items: center; gap: 12px; color: var(--quiet); font-size: 0.9rem; margin: 28px 0 20px; }
.rule::before, .rule::after { content: ""; flex: 1; height: 1px; background: var(--hairline); }
.status { min-height: 1.5em; margin: 16px 0 0; font-size: 0.95rem; color: var(--quiet); }
.status.bad { color: var(--bad); }
.status.good { color: var(--good); }
footer { margin-top: 20px; color: var(--quiet); font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase; }
@media (prefers-reduced-motion: no-preference) { button { transition: transform 120ms ease; } button:active { transform: scale(0.98); } }