:root {
  --bg: #f4f5fb;
  --card: #ffffff;
  --text: #1c1f33;
  --muted: #5d627d;
  --line: #dfe2f0;
  --accent: #5b4bdb;
  --accent2: #3b82f6;
  --err-bg: #fdecee;
  --err: #a1202f;
  --ok-bg: #e8f6ee;
  --ok: #17663a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14152a; --card: #1d1f3a; --text: #eceefb; --muted: #a3a8c9; --line: #333659;
    --err-bg: #3a1c24; --err: #ffb3bd; --ok-bg: #173a29; --ok: #a6e8c0;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; padding: 16px; background: var(--bg); color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.card {
  max-width: 560px; margin: 0 auto; background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; padding: 24px 20px; box-shadow: 0 6px 24px rgba(40, 40, 90, .08);
}
h1 {
  margin: 0 0 8px; font-size: 1.6rem; line-height: 1.2;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
h2 { margin: 24px 0 8px; font-size: 1.1rem; }
.lead { margin: 0; color: var(--muted); }
.steps { margin: 0; padding-left: 1.3em; }
.steps li { margin-bottom: 8px; }
a { color: var(--accent); }
label { display: block; margin: 16px 0 6px; font-weight: 600; }
input[type="password"] {
  width: 100%; padding: 12px; font-size: 1rem; color: var(--text); background: var(--bg);
  border: 1px solid var(--line); border-radius: 10px;
}
input[type="password"]:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
label.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; margin: 14px 0 0; }
label.check[hidden] { display: none; }
label.check.wide { padding: 10px 12px; border: 1px solid var(--err); border-radius: 10px; background: var(--err-bg); color: var(--err); }
label.check input { margin-top: 4px; width: 18px; height: 18px; flex: none; }
button {
  margin-top: 18px; padding: 12px 20px; font-size: 1rem; font-weight: 600; cursor: pointer;
  color: #fff; border: 0; border-radius: 10px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
}
a.button {
  display: inline-block; margin-top: 6px; padding: 12px 20px; font-size: 1rem; font-weight: 600; text-decoration: none;
  color: #fff; border-radius: 10px; background: linear-gradient(90deg, var(--accent), var(--accent2));
}
a.button[hidden] { display: none; }
button:disabled { opacity: .5; cursor: not-allowed; }
button.ghost { background: transparent; color: var(--accent); border: 1px solid var(--line); }
.row { display: flex; flex-wrap: wrap; gap: 10px; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 14px; margin: 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; font-weight: 600; }
.msg { margin: 16px 0 0; padding: 12px; border-radius: 10px; background: var(--err-bg); color: var(--err); }
.msg.ok { background: var(--ok-bg); color: var(--ok); }
.small { margin: 20px 0 0; font-size: .85rem; color: var(--muted); }
[hidden] { display: none !important; }