:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --text: #1c2430;
  --muted: #5b6676;
  --border: #d5dbe3;
  --accent: #2f4cbf;
  --accent-text: #ffffff;
  --error: #b42318;
  --ok: #157f3c;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11151b;
    --surface: #1a2029;
    --text: #e6eaf0;
    --muted: #9aa5b4;
    --border: #2e3744;
    --accent: #7d95ff;
    --accent-text: #0b1020;
    --error: #ff8a80;
    --ok: #6fd69a;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.top {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.brand { font-weight: 650; letter-spacing: .2px; }
main { max-width: 560px; margin: 24px auto; padding: 0 16px; }
footer { max-width: 560px; margin: 0 auto 32px; padding: 0 16px; color: var(--muted); font-size: 14px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}
h1 { font-size: 22px; margin: 0 0 12px; }
.who { display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: baseline; margin: 0 0 8px; }
.who span { color: var(--muted); font-size: 14px; }

fieldset { border: 0; padding: 0; margin: 20px 0 0; }
legend { font-weight: 600; margin-bottom: 8px; padding: 0; }
.field { margin-bottom: 14px; }
.row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 480px) { .row { grid-template-columns: 1fr 1fr; } .row .field:last-child { grid-column: 1 / -1; } }

label { display: block; font-size: 14px; font-weight: 550; margin-bottom: 4px; }
input[type="text"], input[type="email"], input[type="password"] {
  width: 100%;
  padding: 10px 12px;
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
}
input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.hint { margin: 4px 0 0; font-size: 13px; color: var(--muted); }
.error { margin: 4px 0 0; font-size: 14px; color: var(--error); }
.error:empty { display: none; }
.invalid input { border-color: var(--error); }

.terms { margin-top: 20px; padding: 14px; border: 1px solid var(--border); border-radius: 6px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: 15px; margin: 0; }
.check input { width: 18px; height: 18px; margin-top: 3px; flex: none; }
a { color: var(--accent); }

button {
  margin-top: 8px;
  width: 100%;
  padding: 12px;
  font: inherit;
  font-weight: 600;
  color: var(--accent-text);
  background: var(--accent);
  border: 0;
  border-radius: 6px;
  cursor: pointer;
}
button:disabled { opacity: .6; cursor: progress; }
.secure { font-size: 13px; color: var(--muted); margin: 12px 0 0; }
.done h1 { color: var(--ok); }

.disclosure {
  margin-top: 20px;
  max-height: 260px;
  overflow-y: auto;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  font-size: 14px;
}
.disclosure h2 { font-size: 15px; margin: 0 0 8px; text-transform: uppercase; letter-spacing: .4px; }
.disclosure p { margin: 0 0 10px; }
.disclosure ul { margin: 0 0 10px; padding-left: 20px; }
.disclosure:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
footer a { color: var(--muted); }

.lookup { margin-top: 16px; }
.lookup .field input { width: 100%; }
.cf-turnstile { margin: 4px 0 12px; min-height: 65px; }