:root {
    --ink: #1d1a24;
    --muted: #5c5668;
    --line: #e7e1ee;
    --bg: #faf8fc;
    --card: #ffffff;
    --brand-a: #5a1670;
    --brand-b: #b0186e;
    --good: #16794a;
    --bad: #b3261e;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.55;
    font-size: 17px;
}
header.top {
    display: flex; align-items: center; gap: 12px;
    padding: 16px 24px; background: #fff; border-bottom: 1px solid var(--line);
}
header.top a { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; }
.logo {
    width: 44px; height: 44px; border-radius: 10px;
    background: linear-gradient(135deg, var(--brand-a), var(--brand-b));
    color: #fff; font-weight: 700; display: grid; place-items: center; font-size: 15px;
}
.brand { font-weight: 700; font-size: 22px; }
main { max-width: 760px; margin: 0 auto; padding: 28px 16px 56px; }
h1 { font-size: 30px; margin: 0 0 6px; }
h2 { font-size: 21px; margin: 0 0 12px; }
p.lead { color: var(--muted); margin: 0 0 24px; }
.card {
    background: var(--card); border: 1px solid var(--line); border-radius: 14px;
    padding: 22px; margin-bottom: 20px;
}
.steps { margin: 0; padding-left: 22px; }
.steps li { margin-bottom: 8px; }
.qr { text-align: center; }
.qr img { width: 240px; max-width: 100%; height: auto; border-radius: 10px; border: 1px solid var(--line); }
.missing { padding: 20px; border: 2px dashed var(--line); border-radius: 10px; color: var(--muted); }
label { display: block; font-weight: 600; margin: 14px 0 6px; }
input[type=text], input[type=email] {
    width: 100%; padding: 12px 14px; font-size: 17px;
    border: 1px solid #cfc6da; border-radius: 10px; background: #fff; color: var(--ink);
}
input:focus { outline: 3px solid rgba(176, 24, 110, 0.25); border-color: var(--brand-b); }
.hint { color: var(--muted); font-size: 15px; margin-top: 4px; }
button, .button {
    display: inline-block; margin-top: 18px; padding: 13px 26px; border: 0; border-radius: 999px;
    font-size: 17px; font-weight: 600; color: #fff; cursor: pointer; text-decoration: none;
    background: linear-gradient(135deg, var(--brand-a), var(--brand-b));
}
button:disabled { opacity: 0.6; cursor: default; }
.error { background: #fdecea; color: var(--bad); border-radius: 10px; padding: 12px 14px; margin-bottom: 16px; }
.big-number { font-size: 34px; font-weight: 700; letter-spacing: 1px; color: var(--brand-a); }
.key {
    font-family: Consolas, "Courier New", monospace; font-size: 22px; font-weight: 700;
    background: #f3eef8; border-radius: 10px; padding: 14px; word-break: break-all; margin: 8px 0;
}
.status { display: inline-block; padding: 4px 12px; border-radius: 999px; font-weight: 600; font-size: 15px; }
.status.waiting { background: #fff4d6; color: #7a5700; }
.status.ready { background: #e3f5ec; color: var(--good); }
.note { background: #f3eef8; border-radius: 10px; padding: 12px 14px; }
@media (max-width: 520px) {
    h1 { font-size: 25px; }
    .big-number { font-size: 28px; }
    .key { font-size: 18px; }
}