/* ============== Receipt issuance flow ============== */
.receipt-modal {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  width: min(960px, 96vw);
  max-height: 86vh;
  margin: 4vh auto 0;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.receipt-modal[data-step="print"] { width: min(880px, 96vw); }

.rm-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}
.rm-eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--ink-3);
  display: inline-flex; align-items: center; gap: 6px;
}
.rm-title {
  font-family: var(--font-thai);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-top: 2px;
}

.rm-body {
  padding: 18px;
  overflow: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.rm-source {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 18px;
  padding: 12px 14px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.rm-tbl input.rm-num {
  width: 80px;
  padding: 4px 6px;
  text-align: right;
  font-family: var(--font-mono);
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  color: var(--ink);
  font-size: 12px;
}
.rm-tbl input.rm-num:focus { outline: none; border-color: var(--accent); }

.rm-grid2 {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 18px;
  margin-top: 4px;
}

.rm-totals {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.rm-grand {
  margin-top: 4px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.rm-check {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-thai);
  font-size: 13px;
  color: var(--ink-2);
  cursor: pointer;
}

/* confirm step */
.rm-confirm-summary {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
  padding: 14px 16px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
}
.rm-section { margin-top: 4px; }
.rm-section-title {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--ink-4);
  margin-bottom: 8px;
}
.rm-method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.rm-method {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 14px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  font-family: var(--font-thai);
  font-size: 12px;
  color: var(--ink-2);
  cursor: pointer;
  transition: all .12s;
}
.rm-method:hover { background: var(--surface-2); }
.rm-method.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}
.rm-radio-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}
.rm-radio {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  cursor: pointer;
  background: var(--surface);
}
.rm-radio.active { border-color: var(--accent); background: var(--accent-soft); }
.rm-radio input { margin-top: 3px; accent-color: var(--accent); }

.rm-warn {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px;
  background: var(--warn-soft);
  border: 1px solid var(--warn);
  border-radius: 6px;
  font-size: 12px;
  color: var(--ink-2);
}

/* foot */
.rm-foot {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 18px;
  border-top: 1px solid var(--line);
  background: var(--surface-2);
}
.rm-steps { display: inline-flex; gap: 6px; align-items: center; }
.rm-dot {
  width: 24px; height: 4px; border-radius: 2px;
  background: var(--line);
}
.rm-dot.active { background: var(--accent); }
.rm-dot.done   { background: var(--ok); }

/* print step */
.rm-print-body { background: var(--bg-2); }
.rm-print-actions {
  display: flex; gap: 8px; flex-wrap: wrap;
  padding-bottom: 4px;
}
.rm-receipt {
  display: flex; justify-content: center;
  padding: 12px 0;
}

/* ---------- The actual paper ---------- */
.paper {
  width: 720px; max-width: 100%;
  background: #ffffff;
  color: #1a1611;
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(0,0,0,.08);
  padding: 32px 36px;
  font-family: var(--font-thai);
  font-size: 12px;
  line-height: 1.5;
}
.paper-head {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
  padding-bottom: 14px;
  border-bottom: 2px solid #1a1611;
}
.paper-brand {
  font-family: var(--font-thai);
  font-weight: 700;
  font-size: 22px;
  color: #1a1611;
  letter-spacing: -0.01em;
}
.paper-sub {
  font-size: 11px; color: #6a625a;
  margin-top: 2px;
}
.paper-addr {
  font-size: 10.5px; color: #4a4640;
  margin-top: 8px; line-height: 1.55;
}
.paper-meta { text-align: right; }
.paper-doctype {
  font-size: 14px; font-weight: 700; color: #1a1611;
}
.paper-doctype-en {
  font-family: var(--font-mono);
  font-size: 9.5px; letter-spacing: .15em;
  color: #6a625a; margin-bottom: 8px;
  text-transform: uppercase;
}
.paper-meta-tbl {
  margin-left: auto;
  font-size: 11px;
  border-collapse: collapse;
}
.paper-meta-tbl td {
  padding: 2px 0;
  text-align: right;
}
.paper-meta-tbl td:first-child {
  color: #6a625a;
  padding-right: 10px;
}
.paper-parties {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 14px 0 16px;
  border-bottom: 1px solid #e5dfd5;
}
.paper-label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: #6a625a;
  margin-bottom: 4px;
}
.paper-name {
  font-weight: 600;
  font-size: 13px;
  color: #1a1611;
}
.paper-line {
  font-size: 11px;
  color: #4a4640;
}
.paper-line.muted { color: #8a8278; }

.paper-tbl {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0 14px;
  font-size: 11.5px;
}
.paper-tbl th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: #6a625a;
  padding: 8px 4px;
  border-bottom: 1px solid #1a1611;
  font-weight: 600;
}
.paper-tbl th.num { text-align: right; }
.paper-tbl td {
  padding: 8px 4px;
  border-bottom: 1px solid #f0ebe1;
  vertical-align: top;
}
.paper-tbl td.num { text-align: right; font-family: var(--font-mono); }
.paper-code {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: #8a8278;
  margin-top: 1px;
}

.paper-totals-row {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 24px;
  padding: 4px 0 14px;
}
.paper-words {
  border-left: 3px solid var(--accent);
  padding-left: 10px;
}
.paper-totals {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 11.5px;
  border-collapse: collapse;
}
.paper-totals td {
  padding: 5px 0;
  border-bottom: 1px solid #f0ebe1;
}
.paper-totals td.num { text-align: right; }
.paper-totals td:first-child { color: #6a625a; }
.paper-totals tr.grand td {
  border-top: 2px solid #1a1611;
  border-bottom: 3px double #1a1611;
  padding-top: 8px;
  font-size: 14px;
  font-weight: 700;
  color: #1a1611;
}

.paper-pay {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 0;
  border-top: 1px solid #e5dfd5;
}
.paper-stamp {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .15em;
  padding: 8px 18px;
  border: 3px solid currentColor;
  border-radius: 4px;
  transform: rotate(-6deg);
  opacity: .85;
}
.stamp-paid { color: #1f7a3a; }
.stamp-pending { color: #b27300; }

.paper-sigs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  padding-top: 36px;
}
.paper-sig { text-align: center; font-size: 11px; }
.sig-line {
  border-top: 1px dashed #6a625a;
  margin-bottom: 6px;
  height: 1px;
}
.paper-foot {
  margin-top: 20px;
  padding-top: 10px;
  border-top: 1px solid #e5dfd5;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: #8a8278;
  letter-spacing: .04em;
}

/* ---- print mode: only paper visible ---- */
@media print {
  body.printing-receipt { background: #fff; }
  body.printing-receipt > *:not(.scrim) { display: none !important; }
  body.printing-receipt .scrim {
    position: static !important;
    background: #fff !important;
    padding: 0 !important;
    backdrop-filter: none !important;
  }
  body.printing-receipt .receipt-modal {
    box-shadow: none !important;
    border: 0 !important;
    max-height: none !important;
    width: auto !important;
    margin: 0 !important;
    background: #fff !important;
  }
  body.printing-receipt .rm-head,
  body.printing-receipt .rm-foot,
  body.printing-receipt .rm-print-actions { display: none !important; }
  body.printing-receipt .rm-body { padding: 0 !important; overflow: visible !important; }
  body.printing-receipt .rm-print-body { background: #fff !important; }
  body.printing-receipt .rm-receipt { padding: 0 !important; }
  body.printing-receipt .paper {
    border: 0 !important;
    box-shadow: none !important;
    width: 100% !important;
    padding: 16mm !important;
  }
}

@media (max-width: 880px) {
  .rm-grid2 { grid-template-columns: 1fr; }
  .rm-method-grid { grid-template-columns: repeat(2, 1fr); }
  .rm-radio-row { grid-template-columns: 1fr; }
  .rm-confirm-summary { grid-template-columns: 1fr; }
  .rm-source { grid-template-columns: 1fr; }
  .paper-totals-row { grid-template-columns: 1fr; }
  .paper-head { grid-template-columns: 1fr; }
}