:root {
    --bg: #f4f6fb;
    --card: #fff;
    --text: #1d2433;
    --muted: #6b7489;
    --line: #dde2ec;
    --brand: #4b5fd6;
    --brand-dark: #3a4bb4;
    --ok: #1f9d55;
    --ok-bg: #e7f6ee;
    --bad: #d64545;
    --bad-bg: #fdecec;
    --warn: #b7791f;
    --warn-bg: #fdf5e6;
    --radius: 10px;
}

* { box-sizing: border-box; }

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

.wrap { max-width: 720px; margin: 0 auto; padding: 24px 16px 48px; }

.top { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 16px; }
h1 { margin: 0; font-size: 22px; }
h2 { margin: 0 0 16px; font-size: 17px; }
.sub { margin: 2px 0 0; color: var(--muted); font-size: 13px; }

.toggle { display: flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; user-select: none;
          background: var(--warn-bg); color: var(--warn); padding: 6px 12px; border-radius: 999px; font-weight: 600; }
.toggle input { accent-color: var(--warn); }

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

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
        padding: 20px; margin-bottom: 16px; }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.span-2 { grid-column: span 2; }
@media (max-width: 520px) { .grid { grid-template-columns: 1fr; } .span-2 { grid-column: auto; } }

.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 4px; }
.field label b { color: var(--bad); }
.hint { font-weight: 400; color: var(--muted); }
.field input, .field select {
    width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px;
    font: inherit; background: #fff; color: inherit;
}
.field input:focus, .field select:focus { outline: 2px solid var(--brand); outline-offset: -1px; border-color: transparent; }
.field.invalid input, .field.invalid select { border-color: var(--bad); }
.err { color: var(--bad); font-size: 12px; min-height: 0; display: block; }

.note { color: var(--muted); font-size: 13px; margin: 14px 0; }

.btn { font: inherit; font-weight: 600; padding: 10px 18px; border-radius: 8px; border: 1px solid var(--line);
       background: #fff; color: var(--text); cursor: pointer; }
.btn:hover { background: #f0f2f8; }
.btn:disabled { opacity: .6; cursor: wait; }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { background: var(--brand-dark); }
.btn.danger { color: var(--bad); border-color: #f0c4c4; }
.btn.danger:hover { background: var(--bad-bg); }
.btn.small { padding: 6px 12px; font-size: 13px; }

.hidden { display: none !important; }

.result-head { display: flex; align-items: center; gap: 10px; }
.result-head h2 { margin-bottom: 12px; }
.badge { background: var(--warn-bg); color: var(--warn); font-size: 11px; font-weight: 700;
         padding: 2px 8px; border-radius: 999px; margin-bottom: 12px; }

.alert { padding: 12px 14px; border-radius: 8px; margin-bottom: 14px; }
.alert.ok { background: var(--ok-bg); color: var(--ok); }
.alert.bad { background: var(--bad-bg); color: var(--bad); }
.alert.warn { background: var(--warn-bg); color: var(--warn); }

dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0 0 14px; font-size: 14px; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; font-weight: 600; word-break: break-all; }

.countdown { font-size: 14px; color: var(--muted); margin-bottom: 14px; }
.countdown strong { color: var(--text); font-variant-numeric: tabular-nums; }
.countdown.urgent strong { color: var(--bad); }

.transfer { border: 2px dashed var(--ok); border-radius: var(--radius); padding: 16px; margin-bottom: 14px; }
.transfer .label { font-size: 13px; color: var(--muted); }
.number-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.number { font-size: 28px; font-weight: 700; color: var(--ok); text-decoration: none; font-variant-numeric: tabular-nums; }
.transfer .note { margin: 8px 0 0; }

.actions { display: flex; flex-wrap: wrap; gap: 10px; }

.log summary { cursor: pointer; font-weight: 600; }
.log pre { margin: 12px 0 0; max-height: 320px; overflow: auto; font-size: 12px; background: #0f1422; color: #d6dcf0;
           padding: 12px; border-radius: 8px; white-space: pre-wrap; word-break: break-all; }