:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --ink: #1f2430;
  --muted: #6b7280;
  --line: #e6e8ec;
  --brand: #16a34a;
  --warn-bg: #fff7ed;
  --warn-ink: #9a3412;
  --radius: 16px;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Sarabun",
               "Noto Sans Thai", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  padding: 16px;
}
.wrap { max-width: 480px; margin: 0 auto; }
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(16,24,40,.06), 0 8px 24px rgba(16,24,40,.05);
  padding: 22px;
  margin-bottom: 14px;
}
.center { text-align: center; }
.logo { font-size: 2.6rem; }
h1 { font-size: 1.2rem; margin: 0 0 2px; }
h2 { font-size: 1rem; margin: 20px 0 6px; }
.sub { color: var(--muted); font-size: .86rem; margin: 0 0 6px; }
.muted { color: var(--muted); }
.badge {
  display: inline-block; font-size: .78rem; font-weight: 600;
  padding: 4px 12px; border-radius: 999px; margin-top: 8px;
  background: #ecfdf5; color: #047857;
}
.badge.wait { background: var(--warn-bg); color: var(--warn-ink); }
.items { margin: 14px 0 0; padding: 0; list-style: none; }
.item {
  display: flex; justify-content: space-between; gap: 10px;
  padding: 10px 0; border-bottom: 1px solid var(--line);
}
.item:last-child { border-bottom: none; }
.item .name { font-weight: 600; }
.item .meta { color: var(--muted); font-size: .82rem; }
.amt { white-space: nowrap; font-variant-numeric: tabular-nums; }
.totals { margin-top: 12px; }
.totrow { display: flex; justify-content: space-between; padding: 5px 0; color: var(--muted); }
.totrow.grand {
  color: var(--ink); font-weight: 700; font-size: 1.15rem;
  border-top: 1px solid var(--line); margin-top: 6px; padding-top: 12px;
}
.next { background: var(--warn-bg); color: var(--warn-ink); border-radius: 12px; padding: 14px 16px; font-size: .9rem; }
.next b { display: block; margin-bottom: 2px; }
.locknote { text-align: center; color: var(--muted); font-size: .78rem; margin: 4px 0 18px; }
.doc p, .doc li { font-size: .92rem; }
.doc ul, .doc ol { padding-left: 20px; }
.foot { text-align: center; color: var(--muted); font-size: .78rem; padding: 10px 0 24px; }
.foot a { color: var(--muted); }
.copy { margin-top: 6px; }
a { color: var(--brand); }