[hidden] { display: none !important; }
:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --accent: #0d9488;
  --accent-text: #ffffff;
  --danger: #dc2626;
  --warn-bg: #fef3c7;
  --warn-text: #92400e;
  --in: #059669;
  --out: #0f172a;
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120;
    --surface: #111827;
    --text: #e5e7eb;
    --muted: #94a3b8;
    --border: #1f2937;
    --accent: #2dd4bf;
    --accent-text: #042f2e;
    --danger: #f87171;
    --warn-bg: #422006;
    --warn-text: #fcd34d;
    --in: #34d399;
    --out: #e5e7eb;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding-bottom: calc(76px + env(safe-area-inset-bottom));
}
a { color: var(--accent); }

.top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; max-width: 640px; margin: 0 auto;
}
.brand { font-weight: 700; font-size: 18px; }
.badge {
  font-size: 12px; padding: 2px 8px; border-radius: 99px;
  background: var(--warn-bg); color: var(--warn-text); font-weight: 600;
}

main { max-width: 640px; margin: 0 auto; padding: 0 16px; }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; margin-bottom: 14px;
}
.card h2 { font-size: 15px; margin: 0 0 10px; color: var(--muted); font-weight: 600; }
.card.warn { background: var(--warn-bg); color: var(--warn-text); border-color: transparent; }

.balance { font-size: 34px; font-weight: 700; letter-spacing: -0.5px; font-variant-numeric: tabular-nums; }
.balance small { font-size: 16px; color: var(--muted); font-weight: 500; }
.row { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid2 .balance { font-size: 24px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; word-break: break-all; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; }

button, .btn {
  appearance: none; border: 0; border-radius: 10px; cursor: pointer;
  background: var(--accent); color: var(--accent-text);
  font: inherit; font-weight: 600; padding: 12px 16px; text-decoration: none;
  display: inline-block; text-align: center;
}
button.secondary, .btn.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
button.danger { background: transparent; color: var(--danger); border: 1px solid var(--border); }
button.block, .btn.block { width: 100%; }
button:disabled { opacity: .5; cursor: progress; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

label { display: block; font-size: 14px; color: var(--muted); margin: 12px 0 4px; }
input, select {
  width: 100%; font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 10px; padding: 11px 12px;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.seg { display: flex; gap: 6px; margin-top: 4px; }
.seg label { flex: 1; margin: 0; }
.seg input { display: none; }
.seg span {
  display: block; text-align: center; padding: 9px; border-radius: 10px;
  border: 1px solid var(--border); color: var(--text); cursor: pointer;
}
.seg input:checked + span { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }

.list { list-style: none; margin: 0; padding: 0; }
.list li { padding: 12px 0; border-top: 1px solid var(--border); }
.list li:first-child { border-top: 0; }
.amt { font-weight: 700; font-variant-numeric: tabular-nums; white-space: nowrap; }
.amt.in { color: var(--in); }
.amt.out { color: var(--out); }
.pill { font-size: 12px; padding: 1px 8px; border-radius: 99px; border: 1px solid var(--border); color: var(--muted); }
.pill.rejected { color: var(--danger); border-color: var(--danger); }

.steps { margin: 0; padding-left: 20px; }
.steps li { margin: 8px 0; }
.steps li.done { color: var(--muted); text-decoration: line-through; }

.confirm { border: 2px solid var(--accent); }
.confirm dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; margin: 0; }
.confirm dt { color: var(--muted); }
.confirm dd { margin: 0; font-weight: 600; word-break: break-word; }

.tabs {
  position: fixed; left: 0; right: 0; bottom: 0;
  display: flex; justify-content: space-around;
  background: var(--surface); border-top: 1px solid var(--border);
  padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
}
.tabs a {
  flex: 1; text-align: center; text-decoration: none; color: var(--muted);
  font-size: 11px; padding: 4px 0;
}
.tabs a .ico { display: block; font-size: 20px; line-height: 1.2; }
.tabs a.active { color: var(--accent); font-weight: 600; }

.toast {
  position: fixed; left: 16px; right: 16px; bottom: calc(84px + env(safe-area-inset-bottom));
  max-width: 600px; margin: 0 auto; padding: 12px 14px; border-radius: 12px;
  background: var(--text); color: var(--bg); font-size: 14px; z-index: 10;
}
.toast.error { background: var(--danger); color: #fff; }
.check { display: flex; align-items: center; gap: 8px; color: var(--text); }
.check input { width: auto; }
textarea {
  width: 100%; font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 10px; padding: 11px 12px; resize: vertical;
}
.pin { font-size: 22px; letter-spacing: 6px; text-align: center; }
.words {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px 12px;
  margin: 0; padding-left: 34px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 15px;
}
.words li { padding: 4px 0; }
.mt { margin-top: 18px !important; }