@font-face {
  font-family: "TH Sarabun New";
  src: local("TH Sarabun New"), local("THSarabunNew");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "TH Sarabun New";
  src: local("TH Sarabun New Bold"), local("THSarabunNew-Bold"), local("THSarabunNew Bold");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

:root {
  color-scheme: light;
  --ui-font-size: 18pt;
  --receipt-font-size: 18px;
  --app-header-height: calc(28px + var(--ui-font-size) + var(--ui-font-size) + var(--ui-font-size));
  --doc-tabs-height: 0px;
  --sticky-stack-height: calc(var(--app-header-height) + var(--doc-tabs-height) + 40px + var(--ui-font-size));
  --receipt-band: #1a4b8e;

  /* ===== โทนสีแบรนด์สำนักงานทนายความ (JHM navy #1a4b8e) =====
     ใช้ชุดสีเดียวกับหน้าแรก (home.css) และระบบ CAT Tool
     (cat-tool/static/app.css) เพื่อให้ทุกระบบเป็นอันหนึ่งอันเดียวกัน */
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-muted: #f4f7fb;
  --ink: #1f2937;
  --muted: #5b6677;
  --subtle: #8a97a6;
  --line: #e5e7eb;
  --line-strong: #d1d5db;
  --primary: #1a4b8e;
  --primary-hover: #143a6e;
  --primary-pale: #e8eef7;
  --accent: #1a4b8e;
  --accent-pale: #e8eef7;
  --success: #16a34a;
  --success-pale: #dcfce7;
  --warning: #b45309;
  --danger: #dc2626;
  --danger-pale: #fee2e2;
  --focus: #2f6fd0;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.5, 0, 0.75, 0);
  --ease-out: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 120ms;
  --duration: 180ms;
  --duration-slow: 260ms;
  font-family: "TH Sarabun New", "THSarabunNew", "TH SarabunPSK", "THSarabun", Sarabun, Tahoma, sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
  font-size: var(--ui-font-size);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.55;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 30;
  min-height: var(--app-header-height);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ปุ่มกลับไปหน้าแรกระบบสำนักงานทนายความ */
.back-home {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.back-home:hover {
  background: var(--primary-pale);
  border-color: var(--primary);
}

.back-home:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.brand-divider {
  flex: 0 0 auto;
  width: 1px;
  height: 32px;
  background: var(--line);
}

.brand-logo {
  flex: 0 0 auto;
  height: 38px;
  width: auto;
}

.brand-text {
  min-width: 0;
}

.brand-block h1,
.brand-block p,
.editor-intro h2,
.editor-intro p,
.preview-toolbar h2,
.preview-toolbar p,
.section-heading h3,
.section-heading p {
  margin: 0;
}

.brand-block h1 {
  font-size: 1.25rem;
  line-height: 1.25;
}

.brand-block p,
.header-status,
.editor-intro p,
.preview-toolbar p,
.section-heading p,
.autosave-label,
.preview-scale-label {
  color: var(--muted);
}

.brand-block p {
  font-size: 0.875rem;
}

.header-status {
  padding: 6px 10px;
  background: var(--surface-muted);
  border-radius: 999px;
  font-size: 0.875rem;
}

.action-bar {
  position: sticky;
  top: calc(var(--app-header-height) + var(--doc-tabs-height));
  z-index: 25;
  min-height: calc(40px + var(--ui-font-size));
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
}

.action-spacer {
  flex: 1 1 auto;
  min-width: 12px;
}

.doc-type-tabs {
  position: sticky;
  top: var(--app-header-height);
  z-index: 28;
  display: flex;
  align-items: stretch;
  height: var(--doc-tabs-height);
  padding: 0 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
}

.doc-type-tab {
  display: inline-flex;
  align-items: center;
  padding: 0 18px;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--muted);
  border-bottom: 3px solid transparent;
  white-space: nowrap;
  margin-bottom: -1px;
  transition: color var(--duration) var(--ease), background-color var(--duration) var(--ease);
}

.doc-type-tab:hover {
  color: var(--text);
  background: var(--surface-muted);
}

.doc-type-tab[aria-current="page"] {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.doc-type-tab:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: -3px;
}

.font-controls {
  min-height: 38px;
  padding: 3px 5px 3px 10px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  white-space: nowrap;
}

.font-controls-label {
  margin-right: 3px;
  color: var(--muted);
  font-size: 0.8125rem;
  font-weight: 700;
}

.font-size-button {
  width: 30px;
  min-height: 30px;
  padding: 0;
  border: 0;
  border-radius: 4px;
  background: var(--surface-muted);
  color: var(--ink);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1;
  transition: background-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}

.font-size-button:hover:not(:disabled) {
  background: var(--primary-pale);
  color: var(--primary-hover);
  transform: translateY(-1px);
}

.font-size-button:active:not(:disabled) {
  transform: scale(0.94);
}

.font-size-button:disabled {
  color: var(--subtle);
  cursor: not-allowed;
  opacity: 0.55;
}

.font-size-button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.font-scale-output {
  min-width: 44px;
  color: var(--ink);
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  text-align: center;
}

.button {
  min-height: 38px;
  padding: 8px 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  transition: background-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out);
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.button:active:not(:disabled) {
  transform: translateY(0) scale(0.97);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}

.button.is-loading {
  cursor: wait;
  transform: none;
}

.button-spinner {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: ui-spin 700ms linear infinite;
}

.button-loading-label {
  min-width: 0;
}

@keyframes ui-spin {
  to { transform: rotate(1turn); }
}

.button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.table-scroll:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.button-primary {
  border: 1px solid var(--primary);
  background: var(--primary);
  color: oklch(1 0 0);
}

.button-primary:hover:not(:disabled) {
  border-color: var(--primary-hover);
  background: var(--primary-hover);
}

.button-secondary {
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink);
}

.button-secondary:hover:not(:disabled),
.button-quiet:hover:not(:disabled) {
  background: var(--surface-muted);
}

.button-quiet {
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink);
}

.button-small {
  min-height: 34px;
  padding: 7px 11px;
  font-size: 0.875rem;
}

.workspace {
  width: min(100%, 1980px);
  margin: 0 auto;
  padding: 12px 12px 32px;
  display: grid;
  grid-template-columns: minmax(620px, 1.2fr) minmax(480px, 0.8fr);
  gap: 12px;
  align-items: start;
}

.editor {
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.editor-intro {
  padding: 22px 24px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  background: var(--surface-muted);
}

.editor-intro h2,
.preview-toolbar h2 {
  font-size: 1.25rem;
  line-height: 1.3;
}

.autosave-label,
.preview-scale-label {
  font-size: 0.875rem;
  white-space: nowrap;
}

.form-section {
  padding: 24px;
  border-top: 1px solid var(--line);
}

.section-heading {
  margin-bottom: 18px;
}

.section-heading h3 {
  font-size: 1.125rem;
  line-height: 1.35;
  text-wrap: balance;
}

.section-heading p {
  margin-top: 3px;
  font-size: 0.875rem;
}

.section-heading-with-actions {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.inline-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.select-customer select {
  min-width: 210px;
}

.field-grid {
  display: grid;
  gap: 14px;
}

.field-grid-two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field-grid-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.field-wide {
  grid-column: 1 / -1;
}

.field {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field > span,
.field > label,
.amount-words-panel > span {
  font-size: 0.875rem;
  font-weight: 700;
}

.field b {
  color: var(--danger);
}

.field small {
  color: var(--muted);
  font-size: 0.8125rem;
}

input,
select,
textarea {
  width: 100%;
  min-height: 40px;
  padding: 8px 10px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  transition: border-color var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}

textarea {
  min-height: 72px;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: var(--muted);
  opacity: 1;
}

input:hover,
select:hover,
textarea:hover {
  border-color: var(--muted);
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-pale);
}

input[readonly] {
  background: var(--surface-muted);
  color: var(--muted);
}

input[aria-invalid="true"],
select[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: var(--danger);
  background: var(--danger-pale);
}

.check-field {
  margin: 16px 0 12px;
  display: flex;
  align-items: flex-start;
  gap: 9px;
  cursor: pointer;
}

.check-field input {
  width: 18px;
  height: 18px;
  min-height: 0;
  margin-top: 2px;
  accent-color: var(--primary);
}

.table-scroll {
  overflow-x: auto;
}

.editor-table,
.receipt-table {
  width: 100%;
  border-collapse: collapse;
}

.editor-table {
  min-width: 1080px;
}

.editor-table th {
  padding: 9px 7px;
  background: var(--surface-muted);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8125rem;
  font-weight: 700;
  text-align: left;
  white-space: nowrap;
}

.editor-table td {
  padding: 8px 6px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.editor-table tbody tr:last-child td {
  border-bottom: 0;
}

.editor-table input,
.editor-table select {
  min-height: 36px;
  padding: 6px 8px;
  font-size: 0.875rem;
}

.editor-table .cell-index {
  width: 44px;
  padding-top: 16px;
  text-align: center;
  color: var(--muted);
}

.editor-table .cell-service {
  min-width: 150px;
}

.editor-table .cell-details {
  min-width: 220px;
}

.editor-table .cell-number {
  min-width: 94px;
}

.editor-table .cell-unit {
  min-width: 100px;
}

.editor-table .cell-total {
  min-width: 110px;
  padding-top: 16px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.remove-item-button {
  width: 34px;
  min-height: 34px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--danger);
  font-size: 1.0625rem;
}

.remove-item-button:hover {
  background: var(--danger-pale);
  border-color: var(--danger);
}

.calculation-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.72fr);
  gap: 24px;
  align-items: start;
}

.receipt-mini-list {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 2mm;
  row-gap: 0.3mm;
  align-items: baseline;
}

.live-totals {
  margin: 0;
  padding: 4px 0;
}

.live-totals div {
  min-height: 34px;
  padding: 6px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--line);
}

.live-totals dt {
  color: var(--muted);
}

.live-totals dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.live-totals .is-total {
  align-items: center;
  border-top: 2px solid var(--line-strong);
  border-bottom: 0;
  font-size: 1.0625rem;
}

.live-totals .is-total dt {
  color: var(--ink);
  font-weight: 700;
}

.live-totals .is-net {
  margin-top: 8px;
  padding: 11px 12px;
  align-items: center;
  border-bottom: 0;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: oklch(1 0 0);
}

.live-totals .is-net dt,
.live-totals .is-net dd {
  color: oklch(1 0 0);
  font-size: 1.125rem;
}

.amount-words-panel {
  margin-top: 18px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-radius: var(--radius-sm);
  background: var(--accent-pale);
}

.amount-words-panel strong {
  color: var(--accent);
  font-size: 1.0625rem;
}

.preview-pane {
  position: sticky;
  top: var(--sticky-stack-height);
  min-width: 0;
  max-height: calc(100vh - var(--sticky-stack-height) - 12px);
  display: flex;
  flex-direction: column;
}

.preview-toolbar {
  position: relative;
  z-index: 2;
  flex: 0 0 auto;
  min-height: 64px;
  padding: 0 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  background: var(--bg);
}

.preview-toolbar-actions {
  margin-left: auto;
  display: flex;
  align-items: flex-end;
  flex-direction: column;
  gap: 4px;
}

.preview-zoom-controls {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.preview-zoom-button,
.preview-fit-button {
  min-height: 44px;
  border: 0;
  border-radius: 4px;
  background: var(--surface-muted);
  color: var(--ink);
  font-weight: 700;
}

.preview-zoom-button {
  width: 44px;
  padding: 0;
  font-size: 1.1rem;
}

.preview-fit-button {
  padding: 5px 10px;
  font-size: 0.85rem;
}

.preview-zoom-button:hover:not(:disabled),
.preview-fit-button:hover {
  background: var(--primary-pale);
  color: var(--primary-hover);
}

.preview-fit-button.is-active {
  background: var(--primary);
  color: oklch(1 0 0);
}

.preview-zoom-button:disabled {
  color: var(--subtle);
  cursor: not-allowed;
  opacity: 0.55;
}

.preview-zoom-button:focus-visible,
.preview-fit-button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.preview-zoom-output {
  min-width: 52px;
  color: var(--ink);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  text-align: center;
}

.preview-stage {
  position: relative;
  z-index: 1;
  flex: 1 1 auto;
  min-height: 0;
  padding: 8px;
  overflow: auto;
  background: #e4e8ee;
  border-radius: var(--radius-md);
  text-align: center;
  cursor: grab;
  overscroll-behavior: contain;
  touch-action: none;
  contain: paint;
  isolation: isolate;
}

.preview-stage.is-panning {
  cursor: grabbing;
  user-select: none;
}

/* ใบเสร็จต้องไม่อิง rem ของหน้า UI ทุกขนาดด้านล่างจึงผูกกับตัวแปรนี้โดยตรง */
.receipt-page {
  width: 210mm;
  min-height: 297mm;
  margin: 0 auto;
  padding: 16mm 14mm 16mm;
  background: oklch(1 0 0);
  color: #1f2937;
  font-size: var(--receipt-font-size);
  line-height: 1.35;
  box-shadow: 0 4px 8px oklch(0.14 0 0 / 0.16);
  text-align: left;
  zoom: var(--preview-zoom, 0.9);

  position: relative;
  overflow: hidden;
}

.invoice-page {
  display: flex;
  flex-direction: column;
}

.receipt-page::before,
.receipt-page::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 4mm;
  background: var(--accent);
  z-index: 0;
}

.receipt-page::before {
  top: 0;
}

.receipt-page::after {
  bottom: 0;
}

.receipt-header,
.receipt-parties,
.receipt-items-section,
.receipt-summary,
.receipt-footer {
  position: relative;
  z-index: 1;
}

/* ===== หัวกระดาษใบเสร็จ (Letterhead) — ออกแบบตามไฟล์ตัวอย่างของสำนักงาน ===== */
.receipt-header {
  padding-bottom: 5mm;
  border-bottom: 1.5px solid var(--primary);
}

/* แถวบน: โลโก้ (ซ้าย) + บล็อกข้อมูลสำนักงาน (ขวา) คั่นด้วยเส้นแนวตั้ง */
.receipt-letterhead {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 7mm;
  align-items: center;
}

.receipt-logo img {
  display: block;
  width: auto;
  height: 19mm;
  max-width: 80mm;
  object-fit: contain;
}

.receipt-seller {
  padding-left: 7mm;
  border-left: 1px solid var(--line-strong);
}

.receipt-seller-name {
  margin: 0;
  color: var(--primary);
  font-size: calc(var(--receipt-font-size) * 1.5);
  font-weight: 700;
  line-height: 1.0;
}
.receipt-seller-address {
  margin: 1mm 0 0;
  color: var(--ink);
  font-size: calc(var(--receipt-font-size) * 0.82);
  line-height: 0.5;
}

.receipt-seller-meta {
  margin: 0 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.1mm 2mm;
}

.receipt-seller-meta div {
  display: flex;
  gap: 1mm;
  font-size: calc(var(--receipt-font-size) * 0.78);
}

.receipt-seller-meta dt {
  color: var(--muted);
}

.receipt-seller-meta dd {
  margin: 0;
  font-weight: 700;
}

/* แถวล่าง: ชื่อเอกสาร "ใบเสร็จรับเงิน / RECEIPT" + เลขที่ / วันที่ */
.receipt-doc-line {
  margin-top: 4mm;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 6mm;
}

.receipt-title-block h1,
.receipt-title-block p,
.receipt-parties h3,
.receipt-parties p,
.receipt-footer h3,
.receipt-footer p,
.receipt-words p {
  margin: 0;
}

.receipt-title-block h1 {
  color: var(--primary);
  font-size: calc(var(--receipt-font-size) * 2.1);
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.receipt-title-block > p {
  margin-top: 0.8mm;
  color: var(--muted);
  font-size: calc(var(--receipt-font-size) * 0.95);
  font-weight: 700;
  letter-spacing: 0.2em;
}

.receipt-doc-meta {
  margin: 0;
  display: grid;
  gap: 1.4mm;
  min-width: 58mm;
}

.receipt-doc-meta div {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4mm;
  padding: 1.4mm 3mm;
  background: var(--surface-muted);
  border: 1px solid var(--line);
  border-radius: 1.5mm;
  font-size: calc(var(--receipt-font-size) * 1.2);
}

.receipt-doc-meta dt {
  color: var(--muted);
}

.receipt-doc-meta dd {
  margin: 0;
  font-weight: 700;
  text-align: right;
}

/* รายการ dt/dd ในกล่องลูกค้า/การชำระเงิน (กล่องด้านล่างหัวเอกสาร) */
.receipt-mini-list div {
  display: contents;
}

/* ปรับเฉพาะกล่องข้อมูลเอกสาร ให้ label กับค่าชิดกันขึ้น */
.receipt-payment-box .receipt-mini-list div {
  grid-template-columns: max-content max-content;
  justify-content: start;
  column-gap: 1mm;
  row-gap: 0;
  align-items: center;
}

/* ไม่ให้ค่าฝั่งขวาในกล่องข้อมูลเอกสารตกบรรทัด */
.receipt-payment-box .receipt-mini-list dd {
  white-space: nowrap;
}

.receipt-mini-list dt {
  color: var(--muted);
}

.receipt-mini-list dd {
  margin: 0;
}

.receipt-parties {
  margin-top: 4mm;
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 4mm;
}

.receipt-customer-box,
.receipt-payment-box {
  padding: 3mm;
  border: 1px solid var(--line);
  border-radius: 2mm;
}

.receipt-parties h3,
.receipt-footer h3 {
  margin-bottom: 1.5mm;
  color: var(--muted);
  font-size: calc(var(--receipt-font-size) * 0.833);
  font-weight: 700;
}

.receipt-parties p,
.receipt-mini-list {
  font-size: calc(var(--receipt-font-size) * 1.15);
  line-height: 1.2;
}

.receipt-customer-name {
  font-weight: 700;
}

.receipt-mini-list {
  margin-top: 0mm;
}

.payment-badge {
  display: inline-flex;
  padding: 0.7mm 2mm;
  border-radius: 999px;
  background: var(--success-pale);
  color: var(--success);
  font-size: calc(var(--receipt-font-size) * 1);
  font-weight: 700;
}

.payment-badge.partial {
  background: var(--primary-pale);
  color: var(--warning);
}

.receipt-items-section {
  margin-top: 4mm;
}

.receipt-table {
  table-layout: fixed;
  font-size: calc(var(--receipt-font-size) * 0.9);
}

.receipt-table th {
  padding: 1.7mm 1.3mm;
  background: var(--accent);
  color: oklch(1 0 0);
  font-weight: 700;
  line-height: 1.25;
  text-align: center;
  vertical-align: middle;
}

.receipt-table td {
  padding: 1.6mm 1.3mm;
  border-bottom: 1px solid var(--line);
  line-height: 1.3;
  vertical-align: top;
  overflow-wrap: anywhere;
  font-size: 0.9rem;
}

.receipt-table th:nth-child(1) { width: 6%; }
.receipt-table th:nth-child(2) { width: 20%; }
.receipt-table th:nth-child(3) { width: 22%; }
.receipt-table th:nth-child(4) { width: 8%; }
.receipt-table th:nth-child(5) { width: 9%; }
.receipt-table th:nth-child(6) { width: 15%; }
.receipt-table th:nth-child(7) { width: 20%; }

.receipt-table td:nth-child(1),
.receipt-table td:nth-child(4),
.receipt-table td:nth-child(5) {
  text-align: center;
}

.receipt-table td:nth-child(6),
.receipt-table td:nth-child(7) {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.receipt-table td:nth-child(2) {
  font-weight: 700;
}

.receipt-empty-row td {
  padding: 7mm 2mm;
  text-align: center !important;
  color: var(--muted);
  font-weight: 400 !important;
}

/* ปรับขนาดตัวอักษรหัวตารางใบเสร็จทุกคอลัมน์ */
.receipt-table th:nth-child(1),
.receipt-table th:nth-child(2),
.receipt-table th:nth-child(3),
.receipt-table th:nth-child(4),
.receipt-table th:nth-child(5),
.receipt-table th:nth-child(6),
.receipt-table th:nth-child(7),
.receipt-table th:nth-child(8) {
  font-size: 0.9rem;
}

.receipt-summary {
  margin-top: 4mm;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 71mm;
  gap: 7mm;
  align-items: start;
}

.receipt-words {
  padding: 4mm;
  border-radius: 2mm;
  background: var(--accent-pale);
}

.receipt-words span {
  color: var(--muted);
  font-size: calc(var(--receipt-font-size) * 0.75);
}

.receipt-words strong {
  display: block;
  margin-top: 1.5mm;
  color: var(--accent);
  font-size: var(--receipt-font-size);
  line-height: 1.5;
}

.receipt-words p {
  margin-top: 2mm;
  color: var(--muted);
  font-size: calc(var(--receipt-font-size) * 0.708);
}

.receipt-totals {
  margin: 0;
}

.receipt-totals div {
  min-height: 6mm;
  padding: 0.9mm 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 5mm;
  border-bottom: 1px solid var(--line);
  font-size: calc(var(--receipt-font-size) * 1.2);
}

.receipt-totals dt {
  color: var(--muted);
}

.receipt-totals dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.receipt-totals .is-total {
  margin-top: 0.5mm;
  border-top: 1.4px solid var(--line-strong);
  border-bottom: 0;
  color: var(--ink);
  font-size: calc(var(--receipt-font-size) * 1.2);
  font-weight: 700;
}

.receipt-totals .is-total dt {
  color: var(--ink);
}

.receipt-totals .is-net {
  margin-top: 2mm;
  padding: 2.3mm 3mm;
  border-bottom: 0;
  border-radius: 2mm;
  background: var(--primary);
  color: oklch(1 0 0);
}

.receipt-totals .is-net dt,
.receipt-totals .is-net dd {
  color: oklch(1 0 0);
  font-size: var(--receipt-font-size);
}

.receipt-tax-bases {
  margin-top: 3mm;
  display: flex;
  justify-content: flex-end;
  gap: 7mm;
  color: var(--muted);
  font-size: calc(var(--receipt-font-size) * 0.708);
}

.receipt-tax-bases p {
  margin: 0;
}

.invoice-payment-details {
  margin-top: auto;
  padding-top: 4mm;
  border-top: 1px solid var(--line);
}

.invoice-payment-heading {
  margin-bottom: 2mm;
  display: flex;
  align-items: baseline;
  gap: 2mm;
}

.invoice-payment-heading h3,
.invoice-payment-heading span {
  margin: 0;
  color: var(--primary);
  line-height: 1.1;
}

.invoice-payment-heading h3 {
  font-size: calc(var(--receipt-font-size) * 0.875);
}

.invoice-payment-heading span {
  font-size: calc(var(--receipt-font-size) * 0.625);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.invoice-bank-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5mm;
}

.invoice-bank-block {
  min-width: 0;
  min-height: 5mm;
  padding: 2mm 2.5mm;
  display: grid;
  grid-template-columns: 30mm max-content;
  grid-template-areas:
    "name data"
    "note note";
  align-items: center;
  justify-content: start;
  column-gap: 1mm;
  border: 1px solid var(--line);
  border-radius: 1.8mm;
  break-inside: avoid;
}

.invoice-bank-name {
  grid-area: name;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 2mm;
}

.invoice-bank-name img {
  flex: 0 0 auto;
  width: 5mm;
  height: 5mm;
  object-fit: contain;
}

.invoice-bank-name strong {
  overflow-wrap: anywhere;
  color: var(--ink);
  font-size: calc(var(--receipt-font-size) * 1);
  line-height: 1.15;
}

.invoice-bank-data {
  grid-area: data;
  margin: 0;
  display: grid;
  grid-template-columns:
    fit-content(50mm)
    fit-content(50mm)
    fit-content(50mm)
    fit-content(50mm);
  justify-content: start;
  column-gap: 2mm;
  row-gap: 0;
  font-size: calc(var(--receipt-font-size) * 1);
  line-height: 1.15;
  align-items: center;
}

.invoice-bank-data div {
  min-width: 0;
  display: grid;
  grid-template-columns: auto max-content;
  gap: 1.8mm;
  align-items: baseline;
}

.invoice-bank-data dt {
  color: var(--muted);
}

.invoice-bank-data dd {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--ink);
  font-weight: 700;
}

.invoice-bank-note {
  grid-area: note;
  margin: 1.5mm 0 0;
  padding-top: 1.2mm;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: calc(var(--receipt-font-size) * 0.583);
  line-height: 1.25;
}

.receipt-footer {
  margin-top: 5mm;
  padding-top: 4mm;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 55mm;
  gap: 10mm;
  border-top: 1px solid var(--line);
}

.receipt-notes ol {
  margin: 0;
  padding-left: 5mm;
  font-size: calc(var(--receipt-font-size) * 0.708);
  line-height: 1.4;
}

.receipt-signature {
  padding-top: 6mm;
  text-align: center;
  font-size: 0.833rem;
  line-height: 1.05;
}

.receipt-signature-image {
  display: block;
  width: 52mm;
  height: 16mm;
  margin: 0 auto -0.5mm;
  object-fit: contain;
}

.signature-line {
  margin-top: 10mm;
  margin-bottom: 2mm;
  border-top: 1px solid var(--line-strong);
}

.receipt-signature-image:not(.hidden) + .signature-line {
  margin-top: 0;
}

.receipt-signature strong,
.receipt-signature p,
.receipt-signature > span {
  display: block;
  margin-top: 0;
  margin-bottom: 0;
  line-height: 1.05;
}

.receipt-signature strong {
  margin-top: 0.4mm;
}

.receipt-signature > span {
  margin-top: 0.2mm;
  color: var(--muted);
}

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 60;
  max-width: 390px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: oklch(1 0 0);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity var(--duration) var(--ease), transform var(--duration) var(--ease);
}

.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

.toast.error {
  background: var(--danger);
}

/* ============================================================
   สถานะใบเสร็จ (status badge + status select)
   ============================================================ */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.7mm 2.4mm;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 700;
  white-space: nowrap;
}

.receipt-payment-box .status-badge {
  position: relative;
  top: -0.4mm;
  line-height: 1;
  padding: 1.2mm 2.4mm 0mm;
}

.receipt-page .status-badge {
  font-size: calc(var(--receipt-font-size) * 1);
}
/* ลดขนาดฟอนต์ในกล่องข้อมูลเอกสาร */
.receipt-payment-box .receipt-mini-list {
  font-size: calc(var(--receipt-font-size) * 1);
  line-height: 1.05;
}

.receipt-payment-box .receipt-mini-list dt,
.receipt-payment-box .receipt-mini-list dd {
  line-height: 1.05;
}

}

.status-badge.status-draft,
.status-select.status-draft { color: #4b5563; background: #eef0f3; }
.status-badge.status-issued,
.status-select.status-issued { color: var(--primary); background: var(--primary-pale); }
.status-badge.status-paid,
.status-select.status-paid { color: var(--success); background: var(--success-pale); }
.status-badge.status-cancelled,
.status-select.status-cancelled { color: var(--warning); background: #fdf0e2; }
.status-badge.status-void,
.status-select.status-void { color: var(--danger); background: var(--danger-pale); }

.status-select {
  min-height: 34px;
  padding: 5px 8px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 700;
}

.status-select:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.status-cell {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.status-lock {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  min-height: 34px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 0.95rem;
  line-height: 1;
  transition: background-color var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.status-lock:hover {
  background: var(--primary-pale);
  border-color: var(--primary);
}

.status-lock:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.status-lock[data-unlocked="true"] {
  background: var(--success-pale);
  border-color: var(--success);
}

/* ============================================================
   หน้ารายการใบเสร็จ (Receipt list / management)
   ============================================================ */
.list-page {
  width: 100%;
  padding: 20px 24px 40px;
}

.list-body {
  width: max-content;
  max-width: 100%;
  margin-inline: auto;
}

.list-intro {
  margin-bottom: 16px;
}

.list-intro h2 {
  margin: 0;
  font-size: 1.25rem;
}

.list-intro p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 0.9375rem;
}

.list-search input,
.list-filter select {
  min-height: 38px;
}

.list-search input {
  min-width: 240px;
}

.list-table-scroll {
  width: max-content;
  max-width: 100%;
  margin-inline: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.list-table {
  width: auto;
  min-width: 0;
  border-collapse: collapse;
}

.list-table th {
  padding: 10px 8px;
  background: var(--surface-muted);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8125rem;
  font-weight: 700;
  text-align: left;
  white-space: nowrap;
}

.list-table td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
  font-size: 0.9375rem;
  white-space: nowrap;
}

.list-table tbody tr:last-child td {
  border-bottom: 0;
}

.list-table tbody tr:hover td {
  background: var(--surface-muted);
}

.list-table .col-amount {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.list-table .col-strong {
  font-weight: 700;
}

.list-table .col-muted {
  color: var(--muted);
  font-size: 0.8125rem;
  white-space: nowrap;
}

.list-table a {
  color: var(--primary);
  font-weight: 700;
  text-decoration: none;
}

.list-table a:hover {
  text-decoration: underline;
}

.row-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.row-action {
  padding: 5px 9px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  font-size: 0.8125rem;
  font-weight: 700;
  text-decoration: none;
  transition: background-color var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.row-action:hover {
  background: var(--primary-pale);
  border-color: var(--primary);
  text-decoration: none;
}

.row-action-danger {
  color: var(--danger);
}

.row-action-danger:hover {
  background: var(--danger-pale);
  border-color: var(--danger);
}

.row-action-locked {
  padding: 5px 7px;
  color: var(--subtle);
  font-size: 0.875rem;
}

.list-empty-row td {
  padding: 28px 12px;
  text-align: center;
  color: var(--muted);
}

.list-empty {
  margin-top: 24px;
  padding: 48px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  text-align: center;
}

.list-empty p {
  margin: 0;
  color: var(--muted);
}

/* ============================================================
   แบนเนอร์ข้อมูลสำนักงาน (ในหน้าฟอร์มใบเสร็จ)
   ============================================================ */
.seller-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--surface-muted);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.seller-banner-logo {
  flex: 0 0 auto;
  height: 36px;
  width: auto;
}

.seller-banner-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 1 1 auto;
}

.seller-banner-text strong {
  font-size: 1rem;
}

.seller-banner-text span {
  color: var(--muted);
  font-size: 0.8125rem;
}

/* ============================================================
   สวิตช์เปิด/ปิด ส่วนลด · VAT · ภาษีหัก ณ ที่จ่าย
   ============================================================ */
.tax-group {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.tax-group:first-child {
  padding-top: 0;
}

.tax-group:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.toggle-field {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  cursor: pointer;
}

.toggle-field input {
  width: 18px;
  height: 18px;
  min-height: 0;
  accent-color: var(--primary);
}

.tax-group-fields {
  margin-top: 14px;
  padding-left: 28px;
}

/* ============================================================
   แถบแจ้งโหมดดูอย่างเดียว (view mode)
   ============================================================ */
.readonly-banner {
  padding: 10px 24px;
  background: var(--accent-pale);
  border-bottom: 1px solid var(--line);
  color: var(--primary-hover);
  font-size: 0.9375rem;
  font-weight: 700;
  text-align: center;
}

/* ============================================================
   หน้าตั้งค่าข้อมูลสำนักงาน (Seller settings)
   ============================================================ */
.settings-page {
  width: min(100%, 1200px);
  margin: 0 auto;
  padding: 20px 24px 40px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 20px;
  align-items: start;
}

.settings-page > * {
  min-width: 0;
}

.settings-accordion {
  background: var(--surface);
}

.settings-accordion-item {
  margin: 0;
  background: var(--surface);
}

.settings-accordion-item + .settings-accordion-item {
  border-top: 1px solid var(--line);
}

.settings-accordion-summary,
.settings-subaccordion-summary {
  list-style: none;
  cursor: pointer;
  user-select: none;
}

.settings-accordion-summary::-webkit-details-marker,
.settings-subaccordion-summary::-webkit-details-marker {
  display: none;
}

.settings-accordion-summary {
  min-height: 78px;
  padding: 17px 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 16px;
  align-items: center;
  gap: 16px;
  transition: background-color var(--duration) var(--ease), color var(--duration) var(--ease);
}

.settings-accordion-summary::after,
.settings-subaccordion-summary::after {
  content: "";
  width: 9px;
  height: 9px;
  justify-self: center;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--duration) var(--ease);
}

.settings-accordion-summary:hover {
  background: var(--surface-muted);
}

.settings-accordion-summary:focus-visible,
.settings-subaccordion-summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: -3px;
}

.settings-accordion-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.settings-accordion-copy strong {
  font-size: 1.05rem;
  line-height: 1.35;
  text-wrap: balance;
}

.settings-accordion-copy > span {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.4;
  text-wrap: pretty;
}

.settings-accordion-item[open] > .settings-accordion-summary {
  background: var(--primary-pale);
  color: var(--primary-hover);
}

.settings-accordion-item[open] > .settings-accordion-summary::after,
.settings-subaccordion[open] > .settings-subaccordion-summary::after {
  transform: rotate(225deg);
}

.settings-accordion-item.is-closing > .settings-accordion-summary::after,
.settings-subaccordion.is-closing > .settings-subaccordion-summary::after {
  transform: rotate(45deg);
}

.settings-accordion-panel {
  border-top: 1px solid var(--line);
  overflow: hidden;
}

.settings-panel-intro {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
  text-wrap: pretty;
}

.settings-subaccordion {
  margin-top: 20px;
  overflow: hidden;
  background: var(--surface-muted);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
}

.settings-subaccordion-summary {
  min-height: 62px;
  padding: 12px 16px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 16px;
  align-items: center;
  gap: 14px;
  transition: background-color var(--duration) var(--ease);
}

.settings-subaccordion-summary:hover,
.settings-subaccordion[open] > .settings-subaccordion-summary {
  background: var(--primary-pale);
}

.settings-subaccordion-summary > span {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.settings-subaccordion-summary strong {
  font-size: 0.98rem;
  line-height: 1.35;
}

.settings-subaccordion-summary small {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.4;
}

.settings-subaccordion-panel {
  padding: 18px 16px;
  border-top: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
}

.settings-subaccordion-panel > p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.86rem;
}

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

.settings-preview {
  position: sticky;
  top: var(--sticky-stack-height);
}

.settings-preview-title {
  margin: 0 0 12px;
  font-size: 1.125rem;
}

.settings-letterhead {
  padding: 18px 20px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.settings-letterhead .receipt-header {
  zoom: 0.92;
}

.logo-control {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.logo-preview {
  height: 52px;
  max-width: 200px;
  width: auto;
  padding: 8px 12px;
  background: var(--surface-muted);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.logo-control-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  width: min(100%, 320px);
}

.logo-control-actions input[type="file"] {
  width: 100%;
  max-width: 100%;
}

.brand-asset-list {
  display: grid;
  gap: 20px;
}

.brand-asset-row {
  display: grid;
  grid-template-columns: minmax(210px, 0.65fr) minmax(0, 1.35fr);
  align-items: center;
  gap: 20px;
}

.brand-asset-row + .brand-asset-row {
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.brand-asset-copy {
  display: grid;
  gap: 4px;
}

.brand-asset-copy strong {
  font-size: 1rem;
}

.brand-asset-copy span,
.signature-preview-empty {
  color: var(--muted);
  font-size: 0.9rem;
}

.signature-preview-frame {
  width: 220px;
  max-width: 100%;
  height: 86px;
  padding: 8px 12px;
  display: grid;
  place-items: center;
  background: var(--surface-muted);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  contain: paint;
}

.signature-preview {
  display: block;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  object-fit: contain;
  object-position: center;
  overflow: hidden;
}

.bank-account-list {
  display: grid;
  gap: 12px;
}

.bank-account-editor {
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.bank-account-editor.is-enabled {
  border-color: color-mix(in srgb, var(--primary) 40%, var(--line));
}

.bank-account-header {
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.bank-account-identity {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.bank-logo-frame {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  padding: 5px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--surface-muted);
}

.bank-logo-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.bank-logo-fallback {
  color: var(--primary);
  font-size: 1.25rem;
  font-weight: 700;
}

.bank-account-summary {
  min-width: 0;
  display: grid;
  gap: 1px;
}

.bank-account-summary strong,
.bank-account-summary span {
  overflow-wrap: anywhere;
}

.bank-account-summary strong {
  color: var(--ink);
  font-size: 1rem;
}

.bank-account-summary span {
  color: var(--muted);
  font-size: 0.88rem;
}

.bank-account-actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 6px;
}

.bank-enabled-toggle {
  min-height: 38px;
  padding: 6px 10px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border-radius: var(--radius-sm);
  background: var(--surface-muted);
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
}

.bank-enabled-toggle input {
  width: 18px;
  height: 18px;
  min-height: 0;
  margin: 0;
  accent-color: var(--primary);
}

.bank-delete-button {
  border-color: var(--danger-pale);
  color: var(--danger);
  background: var(--surface);
}

.bank-delete-button:hover,
.bank-delete-button:focus-visible {
  border-color: var(--danger);
  background: var(--danger-pale);
}

.bank-account-fields {
  padding: 16px 14px;
  border-top: 1px solid var(--line);
  background: var(--surface-muted);
}

.bank-account-empty {
  padding: 20px 16px;
  display: grid;
  gap: 3px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  color: var(--muted);
  text-align: center;
}

.bank-account-empty strong {
  color: var(--ink);
}

.bank-account-empty span {
  font-size: 0.9rem;
}

/* ============================================================
   ช่องกรอกพร้อมปุ่ม (เช่น เลขภาษี + ดึงข้อมูล DBD) และสถานะ DBD
   ============================================================ */
.input-with-action {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.input-with-action input,
.input-with-action select {
  flex: 1 1 auto;
  min-width: 0;
}

.input-with-action .button {
  flex: 0 0 auto;
  white-space: nowrap;
}

.source-document-picker {
  margin-bottom: 20px;
  padding: 16px;
  background: var(--surface-muted);
  border-radius: var(--radius-md);
}

.source-document-picker .field {
  max-width: none;
}

.source-document-picker .input-with-action {
  align-items: flex-start;
}

.document-search {
  flex: 1 1 auto;
  min-width: 0;
}

.document-search > input {
  width: 100%;
}

.document-search-results {
  max-height: 280px;
  margin: 6px 0 0;
  padding: 4px;
  overflow-y: auto;
  list-style: none;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.document-search-option,
.document-search-empty {
  padding: 10px 12px;
  border-radius: calc(var(--radius-sm) - 2px);
}

.document-search-option {
  display: grid;
  gap: 2px;
  cursor: pointer;
}

.document-search-option:hover,
.document-search-option.is-active {
  background: var(--primary-pale);
}

.document-search-primary {
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 700;
}

.document-search-secondary,
.document-search-empty {
  color: var(--muted);
  font-size: 0.85rem;
}

.document-search-option.is-active .document-search-primary {
  color: var(--primary);
}

.customer-name-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: stretch;
}

.customer-name-control > input {
  min-width: 0;
}

.head-office-option {
  min-height: 44px;
  padding: 8px 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-muted);
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color var(--duration) var(--ease), background-color var(--duration) var(--ease);
}

.head-office-option:hover {
  border-color: var(--primary);
  background: var(--primary-pale);
}

.head-office-option input {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  min-height: 0;
  margin: 0;
  accent-color: var(--primary);
}

.head-office-option input:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.dbd-status {
  display: block;
  min-height: 1.2em;
  color: var(--muted);
  font-size: 0.8125rem;
}

.dbd-status-loading {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
}

.dbd-status-loading::before {
  content: "";
  width: 0.72em;
  height: 0.72em;
  flex: 0 0 0.72em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: ui-spin 700ms linear infinite;
}
.dbd-status-success { color: var(--success); }
.dbd-status-error { color: var(--danger); }

.dbd-test-row {
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ============================================================
   เพิ่มขนาดตัวอักษรหน้า UI วางก่อน @media เพื่อใช้กับหน้าจอปกติ
   ============================================================ */
.app-header,
.action-bar,
.editor,
.list-page,
.settings-page,
.preview-toolbar,
.readonly-banner {
  font-size: 1rem;
}

.button,
input,
select,
textarea {
  font-size: 1rem;
}

.field > span,
.field > label,
.amount-words-panel > span {
  font-size: 0.95rem;
}

.field small,
.dbd-status {
  font-size: 0.9rem;
}

.font-controls-label,
.font-scale-output {
  font-size: 0.9rem;
}

.font-scale-output {
  min-width: 52px;
}

.button-small {
  font-size: 0.95rem;
}

.list-table td {
  font-size: 1rem;
}

.list-table th,
.editor-table th {
  font-size: 0.9rem;
}

.editor-table input,
.editor-table select {
  font-size: 0.95rem;
}

@media (max-width: 1260px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .preview-pane {
    position: static;
    max-height: none;
  }

  .preview-stage {
    max-height: none;
  }

  .settings-page {
    grid-template-columns: minmax(0, 1fr);
  }

  .settings-preview {
    position: static;
  }
}

@media (max-width: 780px) {
  .app-header {
    min-height: 65px;
    padding: 12px 16px;
  }

  .brand-block {
    gap: 8px;
  }

  .brand-logo {
    height: 30px;
  }

  .brand-text h1 {
    font-size: 1.05rem;
  }

  .brand-text p {
    display: none;
  }

  .header-status,
  .autosave-label,
  .preview-scale-label {
    display: none;
  }

  .action-bar {
    top: calc(65px + var(--doc-tabs-height));
    padding: 9px 16px;
  }

  .doc-type-tabs {
    padding: 0 12px;
  }

  .workspace {
    padding: 14px 12px 28px;
  }

  .list-page,
  .settings-page {
    padding: 14px 12px 28px;
  }

  .readonly-banner {
    padding: 10px 16px;
  }

  .list-search input {
    min-width: 0;
    width: 100%;
  }

  .editor-intro,
  .form-section {
    padding: 18px;
  }

  .settings-accordion-summary {
    min-height: 72px;
    padding: 15px 18px;
  }

  .settings-accordion-summary {
    gap: 12px;
  }

  .field-grid-two,
  .field-grid-three,
  .calculation-layout {
    grid-template-columns: 1fr;
  }

  .source-document-picker .input-with-action {
    flex-direction: column;
  }

  .source-document-picker .document-search,
  .source-document-picker .input-with-action > .button {
    width: 100%;
  }

  .brand-asset-row {
    grid-template-columns: 1fr;
  }

  .bank-account-header,
  .bank-account-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .bank-account-actions {
    width: 100%;
  }

  .bank-enabled-toggle,
  .bank-account-actions .button {
    width: 100%;
    justify-content: center;
  }

  .section-heading-with-actions {
    flex-direction: column;
  }

  .inline-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .select-customer,
  .select-customer select {
    width: 100%;
  }

  .preview-stage {
    padding: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  @page {
    size: A4 portrait;
    margin: 0;
  }

  /* หน้าพิมพ์ไม่มีแถบแท็บ — ล้างความสูงที่เผื่อไว้ ไม่ให้ดันเนื้อหาล้นไปหน้า 2 */
  :root {
    --doc-tabs-height: 0px;
  }

  html,
  body {
    width: 210mm;
    min-height: 0;
    margin: 0;
    padding: 0;
    background: oklch(1 0 0);
  }

  .app-header,
  .doc-type-tabs,
  .action-bar,
  .readonly-banner,
  .editor,
  .preview-toolbar,
  .toast {
    display: none !important;
  }

  /* ให้ .receipt-page เป็นตัวกำหนดความสูงกระดาษเพียงตัวเดียว
     (ถ้าซ้อน min-height: 297mm หลายชั้น จะเกิดหน้าเปล่าตามมา) */
  .workspace,
  .preview-pane,
  .preview-stage {
    width: 210mm;
    max-width: none;
    min-height: 0;
    margin: 0;
    padding: 0;
    display: block;
    overflow: visible;
    background: oklch(1 0 0);
  }

  .preview-stage {
    contain: none;
    isolation: auto;
  }

  .receipt-page {
    width: 210mm;
    min-height: 297mm;
    margin: 0;
    padding: 14mm;
    font-size: var(--receipt-font-size);
    box-shadow: none;
    zoom: 1 !important;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  .receipt-table thead {
    display: table-header-group;
  }

  .receipt-table tr,
  .receipt-summary,
  .invoice-payment-details,
  .invoice-bank-block,
  .receipt-footer {
    break-inside: avoid;
  }
}

/* ===== กล่องยืนยันในแอป (ใช้แทน window.confirm) ===== */
.confirm-dialog {
  width: min(420px, calc(100vw - 32px));
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 0;
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.28);
}
.confirm-dialog::backdrop { background: rgba(15, 23, 42, 0.45); }
.confirm-dialog-body { padding: 22px 22px 0; }
.confirm-dialog-body h2 { margin: 0 0 8px; font-size: 1.1rem; color: var(--primary); }
.confirm-dialog-body p { margin: 0; color: var(--muted); line-height: 1.5; }
.confirm-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 18px 22px 20px;
}

/* ===== หน้าตั้งค่าใบรับรองดิจิทัล (Digital Certificate) ===== */
.cert-dialog {
  width: min(560px, calc(100vw - 32px));
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 0;
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.28);
}
.cert-dialog::backdrop { background: rgba(15, 23, 42, 0.45); }
.cert-dialog-form { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 14px; }
.cert-dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.cert-dialog-head h2 { margin: 0; font-size: 1.15rem; color: var(--primary); }
.cert-dialog-close {
  border: none; background: transparent; cursor: pointer; font-size: 1.1rem;
  color: var(--muted); line-height: 1; padding: 6px; border-radius: var(--radius-sm);
}
.cert-dialog-close:hover { background: var(--surface-muted); color: var(--ink); }
.cert-note {
  margin: 0; font-size: 0.85rem; color: var(--muted);
  background: var(--surface-muted); border: 1px solid var(--line);
  border-radius: var(--radius-md); padding: 10px 12px; line-height: 1.5;
}
.cert-status { font-size: 0.85rem; color: var(--muted); min-height: 1.2em; word-break: break-word; }
.cert-hint { display: block; margin-top: 4px; color: var(--muted); font-size: 0.8rem; line-height: 1.4; }
.cert-advanced { border-top: 1px dashed var(--line); padding-top: 10px; }
.cert-advanced summary { cursor: pointer; color: var(--muted); font-size: 0.9rem; }
.cert-advanced .field { margin-top: 10px; }
.cert-dialog-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 4px; }
.cert-dialog-actions .action-spacer { flex: 1 1 auto; }