:root {
  --ink: #16221c;
  --paper: #f6f4ee;
  --line: #d9d3c4;
  --green: #1f6e46;
  --green-soft: #e6f0e9;
  --red: #b3402c;
  --mono: "SF Mono", "Menlo", "Consolas", monospace;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, "Segoe UI", "Noto Sans Thai", sans-serif;
}
.wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.card {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px 24px;
}
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #7a7364;
  margin-bottom: 4px;
}
h1 { font-size: 20px; margin: 0 0 12px; font-weight: 700; }
h2.section-title { font-size: 15px; margin: 28px 0 10px; font-weight: 700; }
.hint { font-size: 13px; color: #7a7364; margin: 0 0 18px; line-height: 1.5; }
label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; margin-top: 16px; }
input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font-size: 15px;
  font-family: var(--mono);
  background: var(--paper);
  color: var(--ink);
}
input:focus { outline: none; border-color: var(--green); }
button {
  width: 100%;
  margin-top: 22px;
  padding: 13px;
  border: none;
  border-radius: 10px;
  background: var(--green);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}
button:disabled { background: #b7c4bc; cursor: not-allowed; }
.alert {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.5;
}
.alert-error { background: #f5e3de; color: var(--red); }
.alert-success { background: var(--green-soft); color: var(--green); }
.qr-view { text-align: center; }
.qr-view img {
  width: 220px;
  height: 220px;
  border-radius: 10px;
  border: 1px solid var(--line);
  margin: 16px 0 12px;
}
.amount { font-size: 26px; font-weight: 800; font-family: var(--mono); }
.owner { font-size: 13px; color: #7a7364; margin-top: 2px; }
.status-pill {
  display: inline-block;
  margin-top: 14px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  font-family: var(--mono);
  background: var(--green-soft);
  color: var(--green);
}
.status-pill.expired { background: #f5e3de; color: var(--red); }
.timer { font-size: 12px; color: #7a7364; margin-top: 6px; }
.back-link {
  display: block;
  margin-top: 18px;
  text-align: center;
  font-size: 13px;
  color: #7a7364;
  text-decoration: underline;
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
}
.table { width: 100%; border-collapse: collapse; margin-top: 4px; font-size: 13px; }
.table th, .table td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); }
.table th { color: #7a7364; font-weight: 600; }