:root {
  --bg: #f6f7f9; --card: #ffffff; --text: #16181d; --muted: #667085; --line: #e4e7ec;
  --accent: #3b5bdb; --accent-2: #edf2ff; --ok: #12805c; --ok-bg: #e7f6ef; --bad: #c92a2a; --bad-bg: #fff0f0;
  --radius: 14px; --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 8px 24px rgba(16, 24, 40, .06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115; --card: #171a21; --text: #e8eaee; --muted: #98a2b3; --line: #2a2f3a;
    --accent: #748ffc; --accent-2: #1d2440; --ok: #3ccf91; --ok-bg: #12291f; --bad: #ff8787; --bad-bg: #2d1717;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

.top { display: flex; justify-content: space-between; align-items: center; max-width: 820px; margin: 0 auto; padding: 18px 16px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 650; }
.logo { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 9px; background: var(--accent); color: #fff; }
.badge { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; padding: 2px 8px; border-radius: 99px; background: var(--accent-2); color: var(--accent); }
.top-right { display: flex; gap: 12px; align-items: center; }
.lang { display: flex; border: 1px solid var(--line); border-radius: 9px; overflow: hidden; }
.lang button { border: 0; background: transparent; color: var(--muted); padding: 5px 10px; cursor: pointer; font: inherit; font-size: 13px; }
.lang button.on { background: var(--accent-2); color: var(--accent); font-weight: 600; }

main { max-width: 820px; margin: 0 auto; padding: 0 16px 40px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; }
.hero { text-align: left; padding: 36px 28px; }
h1 { font-size: 26px; line-height: 1.25; margin: 0 0 8px; letter-spacing: -.01em; }
h2 { font-size: 18px; margin: 0 0 6px; }
.lead { font-size: 17px; color: var(--muted); margin: 0 0 22px; max-width: 60ch; }
.how { margin: 0 0 18px; padding-left: 22px; }
.how li { margin: 6px 0; }
code { background: var(--accent-2); color: var(--accent); padding: 1px 6px; border-radius: 6px; }
.login-error { background: var(--bad-bg); color: var(--bad); border-radius: 10px; padding: 10px 14px; margin-bottom: 16px; }

.head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 6px 0 14px; flex-wrap: wrap; }
.status { font-size: 13px; padding: 4px 10px; border-radius: 99px; background: var(--accent-2); color: var(--accent); }
.status.pending { background: #fff4e6; color: #b85c00; }
@media (prefers-color-scheme: dark) { .status.pending { background: #2e2210; color: #ffb35c; } }
.status.active { background: var(--ok-bg); color: var(--ok); }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 14px; }
.steps button {
  display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); background: var(--card); color: var(--muted);
  border-radius: 11px; padding: 9px 10px; cursor: pointer; font: inherit; font-size: 14px; text-align: left; min-width: 0;
}
.steps button span { display: inline-grid; place-items: center; flex: none; width: 22px; height: 22px; border-radius: 50%; background: var(--bg); font-size: 12px; font-weight: 600; }
.steps button em { font-style: normal; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.steps button.on { border-color: var(--accent); color: var(--text); }
.steps button.on span { background: var(--accent); color: #fff; }
.steps button.done span { background: var(--ok); color: #fff; }

.step { display: none; }
.step.on { display: block; }
label { display: flex; flex-direction: column; gap: 5px; margin: 12px 0 0; font-size: 13px; color: var(--muted); min-width: 0; }
label > span { font-weight: 550; }
input, select {
  font: inherit; font-size: 15px; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; width: 100%; min-width: 0; outline: none; transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-2); }
input.bad { border-color: var(--bad); }
.row { display: flex; gap: 12px; align-items: flex-end; }
.row > label { flex: 1; }
.row > .grow { flex: 2; }
.nip-row button { margin-bottom: 0; white-space: nowrap; }
.hint { font-size: 13px; color: var(--muted); margin: 8px 0 0; }
.hint.ok { color: var(--ok); }
.hint.bad { color: var(--bad); }
.stored { font-size: 13px; color: var(--ok); margin: 6px 0 0; }
.stored:empty { display: none; }
.err { color: var(--bad); font-size: 13px; margin: 6px 0 0; }
.err:empty { display: none; }

button { font: inherit; }
#next, #submit, .secondary {
  border: 0; border-radius: 10px; padding: 10px 18px; cursor: pointer; font-weight: 600;
  background: var(--accent); color: #fff; transition: filter .15s, opacity .15s;
}
.secondary { background: var(--accent-2); color: var(--accent); }
#next:hover, #submit:hover, .secondary:hover { filter: brightness(1.05); }
button:disabled { opacity: .55; cursor: progress; }
.ghost { border: 1px solid var(--line); background: transparent; color: var(--text); border-radius: 10px; padding: 10px 18px; cursor: pointer; }
.link { border: 0; background: none; color: var(--muted); cursor: pointer; text-decoration: underline; }
.nav { display: flex; justify-content: space-between; margin-top: 16px; }
.actions-left { display: flex; gap: 12px; align-items: center; margin-top: 14px; flex-wrap: wrap; }
.result { font-size: 14px; }
.result.ok { color: var(--ok); }
.result.bad { color: var(--bad); }

.chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0 2px; }
.chips button { border: 1px solid var(--line); background: var(--card); color: var(--text); border-radius: 99px; padding: 7px 14px; cursor: pointer; }
.chips button.on { border-color: var(--accent); background: var(--accent-2); color: var(--accent); font-weight: 600; }

.summary { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 12px 0 18px; }
.summary dt { color: var(--muted); font-size: 14px; }
.summary dd { margin: 0; overflow-wrap: anywhere; }
.terms { background: var(--bg); border-radius: 10px; padding: 4px 14px; font-size: 14px; color: var(--muted); }
.check { flex-direction: row; align-items: flex-start; gap: 10px; color: var(--text); font-size: 14px; margin-top: 14px; }
.check input { width: 18px; height: 18px; margin-top: 2px; flex: none; }

.big-check { width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; background: var(--ok-bg); color: var(--ok); font-size: 28px; margin-bottom: 14px; }
.foot { max-width: 820px; margin: 0 auto; padding: 0 16px 28px; }

@media (max-width: 620px) {
  .row { flex-direction: column; align-items: stretch; gap: 0; }
  .steps em { display: none; }
  .steps button { justify-content: center; }
  .hero { padding: 26px 20px; }
  h1 { font-size: 22px; }
  .summary { grid-template-columns: 1fr; }
  .summary dd { margin-bottom: 8px; }
}

#next, #submit { margin-left: auto; }
.features { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 4px 0 22px; }
.features h3 { font-size: 14px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin: 0 0 6px; }
.features ul { margin: 0; padding-left: 18px; }
.features li { margin: 5px 0; }
@media (max-width: 620px) { .features { grid-template-columns: 1fr; } }
.trust { background: var(--accent-2); border-radius: 12px; padding: 16px 18px; margin: 4px 0 22px; }
.trust h2 { font-size: 17px; margin: 0 0 6px; }
.trust p { margin: 0 0 8px; color: var(--text); }
.trust ul { margin: 0; padding-left: 18px; }
.trust li { margin: 5px 0; }
.start-h { font-size: 17px; margin: 0 0 6px; }
.tag { display: inline-block; font-size: 11px; text-transform: uppercase; letter-spacing: .04em; padding: 1px 7px; border-radius: 99px; background: var(--card); color: var(--accent); border: 1px solid var(--accent); vertical-align: 1px; }