:root {
  --page-bg: #ffffff;
  --page-text: #22314f;
  --muted-text: #587199;
  --border: #d8deeb;
  --panel-bg: #ffffff;
  --field-bg: #f5f7fb;
  --head-fill: #c4cbd6;
  --accent: #3b4d84;
  --accent-soft: #40548e;
  --success-bg: #f4fffa;
  --success-border: #a8ebc6;
  --warning-bg: #fff8e1;
  --warning-border: #f3c65f;
  --warning-text: #a15c00;
  --info-bg: #f2f7ff;
  --info-border: #a8c7ff;
  --info-text: #2554a4;
  --danger-bg: #fff6f6;
  --danger-border: #f1b6b6;
  --danger-text: #dc2d2d;
  --input-bg: #ffffff;
  --input-border: #ccd5e6;
  --title-text: #000000;
  --helper-link: #2d57d7;
  --diagram-surface: #ffffff;
  --diagram-border: #d6ddeb;
  --diagram-shadow: 0 10px 24px rgba(37, 56, 92, 0.08);
  --shadow: 0 8px 24px rgba(42, 64, 106, 0.06);
  --radius-xl: 16px;
  --radius-lg: 12px;
  --radius-md: 10px;
}

html[data-theme="dark"] {
  --page-bg: #0f172a;
  --page-text: #d9e3f5;
  --muted-text: #9fb2cf;
  --border: #334155;
  --panel-bg: #111c2f;
  --field-bg: #17243a;
  --head-fill: #243247;
  --accent: #9ab2ff;
  --accent-soft: #6f8de8;
  --success-bg: #10261d;
  --success-border: #275b45;
  --warning-bg: #34280e;
  --warning-border: #a06b18;
  --warning-text: #ffd079;
  --info-bg: #14233d;
  --info-border: #3f67ad;
  --info-text: #9cc3ff;
  --danger-bg: #32171b;
  --danger-border: #77424a;
  --danger-text: #ff8d8d;
  --input-bg: #0f172a;
  --input-border: #40506d;
  --title-text: #f8fafc;
  --helper-link: #9ab2ff;
  --diagram-surface: #ffffff;
  --diagram-border: #d6ddeb;
  --diagram-shadow: 0 14px 28px rgba(0, 0, 0, 0.22);
  --shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--page-bg);
  color: var(--page-text);
}

body {
  font-family: "Segoe UI", "Trebuchet MS", sans-serif;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.layout {
  width: min(1040px, calc(100vw - 40px));
  margin: 28px auto 56px;
}

.page-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, var(--panel-bg) 0%, var(--field-bg) 100%);
  box-shadow: var(--shadow);
}

.header-copy {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.mode-tabs {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.mode-tab {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel-bg);
  color: var(--accent-soft);
  font: inherit;
  font-weight: 700;
  padding: 8px 14px;
  cursor: pointer;
}

.mode-tab.is-active {
  background: var(--accent-soft);
  color: #ffffff;
  border-color: var(--accent-soft);
}

body[data-app-mode="calc"] [data-mode-view="batch"] {
  display: none !important;
}

body[data-app-mode="batch"] [data-mode-view="calc"] {
  display: none !important;
}

.header-copy::before {
  content: "ASME PTC 19.3 TW-2016";
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel-bg);
  color: var(--muted-text);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.header-copy h1 {
  margin: 0;
  font-size: clamp(1.35rem, 2.1vw, 1.9rem);
  line-height: 1.18;
  font-weight: 800;
  color: var(--title-text);
  letter-spacing: 0.01em;
  text-wrap: balance;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-bg);
}

.language-switch-group {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--input-bg);
}

.language-switch-button {
  min-width: 34px;
  height: 28px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted-text);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.language-switch-button.is-active {
  background: var(--accent-soft);
  color: var(--title-text);
}

.language-switch-button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent-soft) 55%, transparent);
}

.toolbar-switch-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.toolbar-switch-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}

.toolbar-switch-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.toolbar-switch-track {
  position: relative;
  width: 46px;
  height: 24px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.toolbar-theme-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
}

.toolbar-icon {
  display: inline-flex;
  color: var(--muted-text);
}

.toolbar-icon svg {
  display: block;
}

.toolbar-theme-track {
  width: 52px;
  height: 28px;
  border-color: color-mix(in srgb, var(--border) 72%, #9a9a9a);
  background: color-mix(in srgb, var(--input-bg) 82%, #f4f4f4);
}

.toolbar-theme-track .toolbar-switch-thumb {
  top: 2px;
  left: 2px;
  width: 22px;
  height: 22px;
  background: color-mix(in srgb, var(--muted-text) 38%, #d0d0d0);
}

.theme-switch-input:focus-visible + .toolbar-theme-track {
  outline: 2px solid color-mix(in srgb, var(--accent-soft) 55%, transparent);
  outline-offset: 2px;
}

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

.toolbar-switch-thumb {
  position: absolute;
  top: 1px;
  left: 1px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--muted-text);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.toolbar-switch-input:checked + .toolbar-switch-track {
  background: color-mix(in srgb, var(--accent-soft) 30%, var(--input-bg));
  border-color: var(--accent-soft);
}

.toolbar-switch-input:checked + .toolbar-switch-track .toolbar-switch-thumb {
  transform: translateX(22px);
  background: var(--accent-soft);
}

.toolbar-theme-control .theme-switch-input:checked + .toolbar-theme-track .toolbar-switch-thumb {
  transform: translateX(26px);
}

.toolbar-switch-input:focus-visible + .toolbar-switch-track {
  outline: 2px solid color-mix(in srgb, var(--accent-soft) 55%, transparent);
  outline-offset: 2px;
}

.page-stack {
  display: grid;
  gap: 16px;
}

.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--panel-bg);
  box-shadow: var(--shadow);
  padding: 14px 14px 16px;
}

.compact-panel {
  padding-bottom: 12px;
}

.inner-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 12px;
}

.section-heading,
.chart-title {
  margin: 0 0 12px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

.inline-button {
  margin-bottom: 12px;
}

.chart-title {
  font-size: 1rem;
  color: var(--title-text);
}

.select-block {
  display: grid;
  gap: 8px;
}

.select-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
}

.select-block select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--input-bg);
  padding: 10px 12px;
  font: inherit;
  color: var(--page-text);
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.process-grid {
  align-items: start;
}

.material-fields-grid {
  margin-top: 12px;
}

.report-meta-grid {
  margin-top: 0;
}

.report-meta-grid .field-card {
  min-height: 88px;
}

.report-meta-order-code-card {
  grid-column: 1 / -1;
}

.order-code-details-card {
  grid-column: 1 / -1;
  min-height: auto;
  gap: 10px;
}

.order-code-details-title {
  color: var(--accent);
}

.order-code-details-list {
  margin: 0;
  display: grid;
  gap: 8px;
}

.order-code-detail-row {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.order-code-detail-row.is-full {
  grid-template-columns: 1fr;
}

.order-code-detail-label {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted-text);
  font-weight: 700;
}

.order-code-detail-label.is-empty {
  display: none;
}

.order-code-detail-value {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.35;
  color: var(--page-text);
  overflow-wrap: anywhere;
}

.order-code-details-list[data-state="error"] .order-code-detail-value {
  color: var(--danger-text);
}

.report-meta-grid .field-symbol {
  font-family: "Segoe UI", "Trebuchet MS", sans-serif;
  font-style: normal;
  font-weight: 700;
  font-size: 0.94rem;
}

.single-column {
  display: grid;
}

.narrow-card {
  max-width: 320px;
}

.field-card {
  display: grid;
  gap: 5px;
  align-content: start;
  min-height: 104px;
  padding: 10px 12px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--field-bg);
}

.field-card input,
.field-card select,
.field-card textarea {
  width: 100%;
  border: 1px solid var(--input-border);
  border-radius: 6px;
  padding: 8px 10px;
  background: var(--input-bg);
  font: inherit;
  color: var(--page-text);
}

.field-card input:focus,
.field-card select:focus,
.field-card textarea:focus,
.select-block select:focus {
  outline: none;
  border-color: #8da4d8;
  box-shadow: 0 0 0 3px rgba(102, 130, 201, 0.12);
}

.field-card input[readonly],
.field-card select:disabled {
  opacity: 1;
  cursor: default;
}

.order-code-input {
  min-height: 56px;
  line-height: 1.25;
  resize: vertical;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.field-symbol {
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
  font-size: 1.15rem;
  color: var(--page-text);
}

.field-symbol em {
  color: #eb1f1f;
  font-style: normal;
}

.field-description {
  min-height: 38px;
  color: var(--muted-text);
  font-size: 0.96rem;
  line-height: 1.3;
}

.field-description-hint-image {
  position: relative;
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  align-items: start;
  column-gap: 8px;
  cursor: help;
}

.field-description-hint-image::before {
  content: "?";
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  box-sizing: border-box;
  flex: 0 0 16px;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
}

.field-description-hint-image::after {
  content: "";
  position: absolute;
  left: 0;
  top: calc(100% + 8px);
  width: min(320px, 70vw);
  aspect-ratio: 1 / 1;
  border: 1px solid var(--diagram-border);
  border-radius: 8px;
  background-color: #ffffff;
  background-image: var(--field-hint-image);
  background-position: center;
  background-size: contain;
  background-repeat: no-repeat;
  box-shadow: 0 10px 28px rgba(18, 24, 44, 0.28);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity 0.12s ease, transform 0.12s ease, visibility 0.12s linear;
  z-index: 20;
}

.field-description-hint-image:hover::after,
.field-description-hint-image:focus-visible::after {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.thread-flag-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  margin-top: 2px;
  font-size: 0.9rem;
  color: var(--page-text);
  align-self: start;
}

.thread-flag-toggle input[type="checkbox"] {
  width: auto;
  min-width: 16px;
  height: 16px;
  margin: 0;
  padding: 0;
  flex: 0 0 auto;
}

.thread-flag-toggle span {
  white-space: nowrap;
}

.inline-note {
  margin: 12px 0 0;
  font-size: 0.96rem;
  color: var(--title-text);
}

.subsection-heading {
  margin: 0;
  font-size: 1rem;
  color: var(--title-text);
}

.threaded-options-block {
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--panel-bg);
}

.threaded-options-grid {
  margin-top: 10px;
}

.order-checkbox-list {
  display: grid;
  gap: 8px;
}

.order-checkbox-row {
  display: grid;
  gap: 2px;
}

.order-selection-list {
  margin-top: 10px;
}

.order-checkbox-item {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
}

.order-checkbox-item input[type="checkbox"] {
  margin-top: 2px;
}

.order-checkbox-item-text {
  color: var(--page-text);
  font-size: 0.92rem;
  line-height: 1.25;
}

.order-option-length-wrap {
  margin: 4px 0 0 26px;
}

.order-option-length-wrap[hidden] {
  display: none;
}

.order-option-length-input {
  max-width: 140px;
}

#thread-execution-note {
  margin-top: 10px;
}

.thread-sketch-box {
  margin-top: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--field-bg);
}

.thread-sketch-title {
  margin: 0;
  font-weight: 700;
  color: var(--title-text);
}

#thread-sketch-image {
  margin-top: 10px;
  width: 100%;
  max-width: 420px;
  height: auto;
  border: 1px solid var(--diagram-border);
  border-radius: 10px;
  background: #ffffff;
}

#thread-sketch-hint {
  margin: 10px 0 0;
}

.inline-note strong {
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
}

.inline-link {
  color: var(--helper-link);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.inline-link:hover,
.inline-link:focus-visible {
  color: var(--accent);
}

.is-hidden {
  display: none;
}

.diagram-box {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--diagram-border);
  border-radius: 12px;
  background: var(--diagram-surface);
  box-shadow: var(--diagram-shadow);
  padding: 18px;
}

.paired-diagrams {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.unified-diagram-box {
  margin-top: 0;
  min-height: 560px;
  justify-content: flex-start;
}

.diagram-box img {
  display: block;
  max-width: 360px;
  width: 100%;
  height: auto;
}

.unified-diagram-box img {
  max-width: none;
  height: 450px;
  object-fit: contain;
}

.connection-diagram-box {
  margin-top: 12px;
  padding: 16px;
}

.connection-diagram-box img {
  max-width: 340px;
}

.diagram-hint {
  margin: 0;
  color: var(--muted-text);
  font-size: 0.92rem;
  line-height: 1.45;
  text-align: center;
  max-width: 420px;
}

.unified-diagram-box .diagram-hint {
  max-width: none;
}

.summary-table-wrap {
  overflow-x: auto;
}

.summary-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.summary-table th,
.summary-table td {
  border: 1px solid var(--border);
  padding: 6px 8px;
  text-align: left;
  vertical-align: top;
}

.summary-table thead th {
  background: var(--head-fill);
  color: var(--title-text);
  font-weight: 700;
  text-align: center;
}

.summary-table td.symbol {
  width: 72px;
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
  color: var(--title-text);
}

.summary-table td.value {
  width: 130px;
  color: var(--title-text);
}

.summary-table td.description {
  color: var(--muted-text);
}

.batch-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 10px;
}

.batch-controls input[type="file"] {
  flex: 1 1 320px;
  min-height: 40px;
  border: 1px solid var(--input-border);
  border-radius: 8px;
  padding: 7px 10px;
  background: var(--input-bg);
  color: var(--page-text);
}

.batch-results-table td {
  vertical-align: middle;
}

.batch-results-table td.ok {
  color: #15a34a;
  font-weight: 700;
}

.batch-results-table td.error {
  color: var(--danger-text);
  font-weight: 700;
}

.batch-editor-block {
  display: grid;
  gap: 10px;
  margin-top: 6px;
}

.batch-shared-meta-block {
  margin-top: 10px;
  display: grid;
  gap: 10px;
}

.batch-shared-meta-grid {
  margin-top: 0;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.batch-shared-meta-grid .field-card {
  min-height: 88px;
}

.batch-shared-meta-grid .field-symbol {
  font-family: "Segoe UI", "Trebuchet MS", sans-serif;
  font-style: normal;
  font-weight: 700;
  font-size: 0.94rem;
}

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

.batch-upload-title {
  margin-top: 14px;
}

.batch-input-table {
  min-width: 980px;
}

.batch-input-table thead th {
  white-space: nowrap;
  font-size: 0.82rem;
}

.batch-input-table td {
  vertical-align: middle;
}

.batch-input-table td.batch-index-cell {
  width: 92px;
  text-align: center;
  font-weight: 700;
}

.batch-position-input {
  min-width: 72px !important;
  width: 100%;
  text-align: center;
}

.batch-input-table td.batch-status-cell {
  width: 110px;
  font-weight: 700;
  text-align: center;
}

.batch-results-table td.batch-status-cell {
  font-weight: 700;
  text-align: center;
}

.batch-input-table td.batch-status-cell.ok {
  color: #15a34a;
}

.batch-results-table td.batch-status-cell.ok {
  color: #15a34a;
}

.batch-input-table td.batch-status-cell.error {
  color: var(--danger-text);
}

.batch-results-table td.batch-status-cell.error {
  color: var(--danger-text);
}

.batch-input-table td.batch-status-cell.pending {
  color: var(--muted-text);
}

.batch-results-table td.batch-status-cell.pending {
  color: var(--muted-text);
}

.batch-input-table td.batch-action-cell {
  width: 220px;
}

.batch-input-table input {
  min-width: 120px;
}

.batch-remove-row-button {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 10px;
  background: var(--panel-bg);
  color: var(--accent-soft);
  font: inherit;
  font-size: 0.84rem;
  cursor: pointer;
}

.batch-row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.batch-small-button {
  border: 1px solid var(--border);
  background: var(--panel-bg);
  color: var(--accent-soft);
  border-radius: 999px;
  padding: 6px 12px;
  font: inherit;
  font-size: 0.86rem;
  cursor: pointer;
}

.batch-small-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.checks-stack {
  display: grid;
  gap: 8px;
}

.check-card {
  border: 1px solid var(--success-border);
  border-radius: 8px;
  background: var(--success-bg);
  padding: 10px 12px;
}

.check-card.fail {
  border-color: var(--danger-border);
  background: var(--danger-bg);
}

.check-card.warning {
  border-color: var(--warning-border);
  background: var(--warning-bg);
}

.check-card.info {
  border-color: var(--info-border);
  background: var(--info-bg);
}

.check-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}

.check-name {
  font-weight: 700;
  color: var(--title-text);
}

.check-status {
  font-weight: 700;
  color: #15a34a;
  white-space: nowrap;
}

.check-card.fail .check-status {
  color: var(--danger-text);
}

.check-card.warning .check-status {
  color: var(--warning-text);
}

.check-card.info .check-status {
  color: var(--info-text);
}

.check-card p {
  margin: 6px 0 0;
  color: var(--page-text);
  line-height: 1.35;
}

.chart-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px;
}

#chart-svg {
  width: 100%;
  height: 460px;
  display: block;
}

.error-panel {
  border-color: var(--danger-border);
  background: var(--danger-bg);
}

.error-item + .error-item {
  margin-top: 8px;
}

.error-path {
  font-weight: 700;
  color: var(--danger-text);
}

.error-text {
  margin-top: 4px;
  color: var(--page-text);
}

.footer-actions {
  padding-top: 4px;
}

.helper-link {
  margin: 0 0 14px;
  font-size: 1.05rem;
  color: var(--title-text);
}

.helper-link span:last-child {
  color: var(--helper-link);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.primary-button,
.secondary-button {
  border: none;
  border-radius: 999px;
  padding: 10px 18px;
  font: inherit;
  cursor: pointer;
}

.secondary-button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.primary-button {
  background: var(--accent-soft);
  color: #ffffff;
}

.secondary-button {
  background: var(--panel-bg);
  color: var(--accent-soft);
  border: 1px solid var(--border);
}

.status-line {
  margin: 12px 0 0;
  color: var(--muted-text);
  font-size: 0.96rem;
}

@media (max-width: 960px) {
  .layout {
    width: min(100vw - 24px, 1040px);
    margin-top: 16px;
  }

  .page-header {
    grid-template-columns: 1fr;
    align-items: start;
    padding: 14px;
  }

  .toolbar {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .mode-tabs {
    width: 100%;
  }

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

@media (max-width: 640px) {
  .layout {
    width: min(100vw - 16px, 1040px);
  }

  .panel {
    padding: 10px;
  }

  .inner-panel {
    padding: 10px;
  }

  .field-grid {
    grid-template-columns: 1fr;
  }

  .order-code-detail-row {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .paired-diagrams {
    grid-template-columns: 1fr;
  }

  .unified-diagram-box img {
    height: 340px;
  }

  .toolbar {
    flex-direction: column;
    padding: 10px;
  }

  .language-switch-group,
  .toolbar-switch-control {
    width: auto;
    min-width: 0;
  }

  .toolbar-theme-control {
    width: auto;
    min-width: 0;
  }

  .button-row {
    flex-direction: column;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .batch-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .batch-editor-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .batch-controls input[type="file"] {
    width: 100%;
    min-width: 0;
  }
}