:root {
    --bg: #f4f6fb;
    --card: #ffffff;
    --text: #1d2433;
    --muted: #667085;
    --border: #d9dee8;
    --primary: #3b5bdb;
    --primary-hover: #2f4ac0;
    --good: #16833a;
    --bad: #c92a2a;
    --warn: #b76e00;
    --good-bg: #e8f7ed;
    --bad-bg: #fdecec;
    --warn-bg: #fff5e0;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

.wrap { max-width: 760px; margin: 0 auto; padding: 24px 16px 48px; }

header h1 { margin: 0; font-size: 24px; }
.sub { margin: 4px 0 20px; color: var(--muted); }
code { background: #eef1f7; padding: 1px 5px; border-radius: 4px; font-size: 13px; }

.steps { display: flex; gap: 8px; list-style: none; padding: 0; margin: 0 0 16px; counter-reset: s; }
.steps li {
    flex: 1; text-align: center; padding: 8px; border-radius: 8px;
    background: #e6e9f2; color: var(--muted); font-weight: 600; font-size: 13px;
}
.steps li.active { background: var(--primary); color: #fff; }
.steps li.done { background: var(--good-bg); color: var(--good); }

.card {
    background: var(--card); border: 1px solid var(--border); border-radius: 12px;
    padding: 20px; margin-bottom: 16px;
}
.card h2 { margin: 0 0 16px; font-size: 18px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .grid { grid-template-columns: 1fr; } }

label { display: flex; flex-direction: column; gap: 4px; font-weight: 600; font-size: 13px; }
label .req { color: var(--bad); }
label .rec, label .opt { font-weight: 400; color: var(--muted); font-size: 12px; }
input[type=text], input[type=tel], input:not([type]), input[inputmode] {
    padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px; font: inherit;
}
input:focus { outline: 2px solid var(--primary); outline-offset: -1px; border-color: transparent; }
.err { color: var(--bad); font-weight: 400; min-height: 1em; }

.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 16px; }
.toggle { flex-direction: row; align-items: center; gap: 6px; font-weight: 400; margin-right: auto; }

.btn {
    padding: 9px 16px; border-radius: 8px; border: 1px solid var(--border);
    background: #fff; color: var(--text); font: inherit; font-weight: 600; cursor: pointer;
}
.btn:disabled { opacity: .6; cursor: wait; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover:not(:disabled) { background: var(--primary-hover); }
.btn.danger { color: var(--bad); border-color: #f0b4b4; }
.btn.small { padding: 4px 10px; font-size: 13px; }

.result-head { display: flex; align-items: center; gap: 10px; }
.result-head h2 { margin: 0; }
h2.good { color: var(--good); }
h2.bad { color: var(--bad); }
.badge { background: var(--warn-bg); color: var(--warn); font-size: 12px; font-weight: 700; padding: 2px 8px; border-radius: 999px; }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 16px 0 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-weight: 600; word-break: break-all; }

.expiry { margin-top: 14px; padding: 8px 12px; border-radius: 8px; background: #eef1f7; }
.expiry.warn { background: var(--warn-bg); color: var(--warn); }
.expiry.expired { background: var(--bad-bg); color: var(--bad); }

.transfer {
    margin-top: 14px; padding: 14px; border-radius: 10px; background: var(--good-bg);
    display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
}
.transfer strong { font-size: 22px; color: var(--good); letter-spacing: .5px; }
.transfer .hint { flex-basis: 100%; margin: 0; color: var(--muted); font-size: 13px; }

.message { margin-top: 14px; padding: 10px 12px; border-radius: 8px; }
.message.info { background: #eef1f7; }
.message.warn { background: var(--warn-bg); color: var(--warn); }
.message.error { background: var(--bad-bg); color: var(--bad); }

.log summary { cursor: pointer; font-weight: 600; }
.log pre { max-height: 360px; overflow: auto; font-size: 12px; background: #0f1422; color: #d6deeb; padding: 12px; border-radius: 8px; margin: 12px 0 0; }

.hidden { display: none !important; }