/* страница нарочно простая: белый фон, чёрный текст, обычные ссылки */

:root {
  --text: #191919;
  --muted: #6b6b6b;
  --line: #e4e4e0;
  --link: #1a52c9;
  --code-bg: #f4f4f1;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font: 16px/1.6 system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

main { max-width: 700px; margin: 0 auto; padding: 48px 20px 72px; }

h1 { font-size: 30px; margin: 0 0 16px; }
h2 { font-size: 20px; margin: 40px 0 10px; }
p { margin: 0 0 14px; }

a { color: var(--link); }
a:hover { text-decoration: none; }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  word-break: break-all;
}

.state { color: var(--muted); }
.note { color: var(--muted); font-size: 14px; }

.subs { list-style: none; margin: 0; padding: 0; }
.subs li { padding: 14px 0; border-top: 1px solid var(--line); }
.subs li:last-child { border-bottom: 1px solid var(--line); }

.sub-head { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; margin-bottom: 6px; }
.subs code { display: block; background: var(--code-bg); padding: 8px 10px; border-radius: 4px; margin-bottom: 8px; color: #333; }

.row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 14px; }

button.copy {
  font: inherit;
  font-size: 13px;
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #f7f7f5;
  color: var(--text);
  cursor: pointer;
}
button.copy:hover { background: #efefec; }
button.copy.done { color: #1c7a3d; border-color: #bcdcc6; }

:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }

.mirrors { list-style: none; margin: 0; padding: 0; font-size: 14px; }
.mirrors li { display: flex; gap: 10px; align-items: baseline; padding: 6px 0; border-top: 1px solid var(--line); flex-wrap: wrap; }
.mirrors .host { min-width: 130px; color: var(--muted); }
.mirrors code { flex: 1 1 260px; }

.steps { margin: 0 0 14px; padding-left: 22px; }
.steps li { margin-bottom: 8px; }

.nums { list-style: none; margin: 0; padding: 0; font-size: 15px; max-width: 440px; }
.nums li { display: flex; justify-content: space-between; gap: 16px; padding: 6px 0; border-top: 1px solid var(--line); }
.nums .val { color: var(--muted); font-variant-numeric: tabular-nums; }

.tonqr { display: block; border: 1px solid var(--line); border-radius: 4px; }

footer { margin-top: 56px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }

@media (max-width: 480px) {
  main { padding: 32px 16px 56px; }
  h1 { font-size: 26px; }
  .mirrors .host { min-width: 0; }
}