:root {
  --bg: #f6f7f9; --card: #fff; --text: #16181d; --muted: #6b7280;
  --border: #cfd4dc; --accent: #2b59ff; --accent-text: #fff; --danger: #c62828;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101216; --card: #191c22; --text: #eceef2; --muted: #9aa1ad;
    --border: #363b45; --accent: #6c8cff; --accent-text: #0b0d12; --danger: #ff8a80;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; padding: 24px 16px; min-height: 100vh; display: grid; place-items: start center;
  background: var(--bg); color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.card { width: 100%; max-width: 440px; background: var(--card); border-radius: 12px; padding: 24px; box-shadow: 0 1px 8px rgb(0 0 0 / 0.08); }
h1 { margin: 0 0 4px; font-size: 1.5rem; }
.intro { margin: 0 0 20px; color: var(--muted); }
.lang { display: flex; justify-content: flex-end; align-items: center; gap: 8px; margin-bottom: 8px; font-size: 0.875rem; color: var(--muted); }
.field { margin-bottom: 16px; }
label { display: block; margin-bottom: 4px; font-weight: 600; font-size: 0.9rem; }
.muted { color: var(--muted); font-weight: 400; }
input:not([type="checkbox"]), select {
  width: 100%; padding: 10px 12px; font: inherit; color: inherit; background: transparent;
  border: 1px solid var(--border); border-radius: 8px;
}
.lang select { width: auto; padding: 4px 8px; }
input:focus-visible, select:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 1px; }
input[aria-invalid="true"] { border-color: var(--danger); }
.check { display: grid; grid-template-columns: auto 1fr; gap: 0 10px; align-items: start; }
.check input { margin-top: 5px; }
.check label { font-weight: 400; margin: 0; }
.check .privacy-link { grid-column: 2; margin: 4px 0 0; font-size: 0.875rem; }
a { color: var(--accent); }
.policy h2 { margin: 24px 0 4px; font-size: 1.1rem; }
.policy p, .policy ul { margin: 4px 0; }
.policy ul { padding-left: 20px; }
.back { display: inline-block; margin-top: 24px; }
.error { grid-column: 2; }
.error { margin: 4px 0 0; color: var(--danger); font-size: 0.875rem; }
.form-error { margin-bottom: 12px; }
button {
  width: 100%; padding: 12px; font: inherit; font-weight: 600; cursor: pointer;
  color: var(--accent-text); background: var(--accent); border: 0; border-radius: 8px;
}
button:disabled { opacity: 0.6; cursor: progress; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
#turnstile { margin-bottom: 16px; }
[hidden] { display: none !important; }