:root {
  --bg: var(--tg-theme-bg-color, #ffffff);
  --fg: var(--tg-theme-text-color, #111111);
  --hint: var(--tg-theme-hint-color, #6b7280);
  --link: var(--tg-theme-link-color, #2481cc);
  --btn: var(--tg-theme-button-color, #2481cc);
  --btn-fg: var(--tg-theme-button-text-color, #ffffff);
  --card: var(--tg-theme-secondary-bg-color, #f3f4f6);
  --danger: #d33;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 560px; margin: 0 auto; padding: 16px; }
[hidden] { display: none !important; }

h1 { font-size: 1.35rem; margin: 8px 0 12px; }
label { display: block; margin: 12px 0 6px; color: var(--hint); font-size: .9rem; }
input[type=text], input[type=tel], input[type=password] {
  width: 100%; padding: 12px; font-size: 1.1rem; border-radius: 10px;
  border: 1px solid var(--hint); background: var(--bg); color: var(--fg);
}
button { width: 100%; margin-top: 14px; padding: 13px; font-size: 1rem; border: 0; border-radius: 10px; cursor: pointer; }
button.primary { background: var(--btn); color: var(--btn-fg); }
button.primary:disabled { opacity: .5; cursor: default; }
button.link { background: none; color: var(--link); padding: 8px; }
button.danger { color: var(--danger); margin-top: 28px; }

.warn, .steps { padding-left: 20px; }
.warn li, .steps li { margin-bottom: 8px; }
.check { display: flex; gap: 8px; align-items: flex-start; color: var(--fg); font-size: 1rem; margin-top: 16px; }
.check input { margin-top: 4px; }
.muted { color: var(--hint); }
.error { color: var(--danger); min-height: 1.2em; margin: 8px 0 0; }

fieldset { border: 0; padding: 0; margin: 16px 0 0; }
legend { font-weight: 600; margin-bottom: 8px; padding: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.chip span { display: inline-block; padding: 8px 12px; border-radius: 999px; background: var(--card); border: 1px solid transparent; }
.chip input:checked + span { background: var(--btn); color: var(--btn-fg); }
.chip input:focus-visible + span { outline: 2px solid var(--link); outline-offset: 2px; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; font: inherit; font-size: .9rem; margin: 8px 0 0; }
details summary { cursor: pointer; }

.card { background: var(--card); border-radius: 12px; padding: 12px 14px; margin-top: 12px; }
.card h2 { font-size: 1rem; margin: 0 0 4px; }
.card .meta { color: var(--hint); font-size: .85rem; margin-bottom: 6px; }
.card p { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }