:root[data-theme="light"] {
  --bg-root: #ffffff;
  --bg-surface: #f1f4f7;
  --bg-elevated: #eaf0f5;
  --bg-hover: #e4ecf3;
  --bg-active: #dce7f0;
  --bg-input: #ffffff;

  --border-subtle: rgba(15, 23, 42, 0.08);
  --border: rgba(15, 23, 42, 0.14);
  --border-strong: rgba(15, 23, 42, 0.22);

  --text-primary: #111827;
  --text-secondary: #475569;
  --text-tertiary: #526175;
  --text-disabled: #94a3b8;

  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-soft: rgba(79, 70, 229, 0.1);
  --accent-glow: rgba(79, 70, 229, 0.2);
  --accent-text: #4338ca;
  --accent-muted: #a5b4fc;

  --success-soft: rgba(21, 128, 61, 0.09);
  --success-border: rgba(21, 128, 61, 0.25);
  --success-text: #166534;
  --warning-soft: rgba(180, 83, 9, 0.09);
  --warning-border: rgba(180, 83, 9, 0.25);
  --warning-text: #92400e;
  --danger-soft: rgba(185, 28, 28, 0.08);
  --danger-border: rgba(185, 28, 28, 0.22);
  --danger-text: #991b1b;
  --info-soft: rgba(3, 105, 161, 0.08);
  --info-border: rgba(3, 105, 161, 0.22);
  --info-text: #075985;

  --nav-bg: #f1f4f7;
  --nav-border: rgba(15, 23, 42, 0.1);
  --table-header: #e8eef3;
  --table-row-odd: #f1f4f7;
  --table-row-even: #edf2f6;
  --table-hover: #e3ebf2;

  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.1);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.12);
  --shadow-lg: 0 8px 24px rgba(15, 23, 42, 0.16);

  /* Legacy purchasing, QA and OTB surfaces use these token names. */
  --bg-primary: var(--bg-root);
  --bg-secondary: var(--bg-surface);
  --bg-panel: var(--bg-surface);
  --bg-panel-strong: var(--bg-elevated);
  --border-color: var(--border);
  --border-muted: var(--border-subtle);
  --border-focus: var(--accent);
  --text-muted: var(--text-secondary);
  --shadow-panel: var(--shadow-md);
  --bg: var(--bg-root);
  --canvas: var(--bg-root);
  --panel: var(--bg-surface);
  --panel-soft: var(--bg-elevated);
  --panel-raised: var(--bg-elevated);
  --panel-hover: var(--bg-hover);
  --field: var(--bg-input);
  --line: var(--border);
  --line-strong: var(--border-strong);
  --ink: var(--text-primary);
  --text: var(--text-primary);
  --muted: var(--text-secondary);
  --blue: #1d4ed8;
  --blue-dark: #dbeafe;
  --green: #166534;
  --green-dark: #dcfce7;
  --amber: #92400e;
  --amber-dark: #fef3c7;
  --red: #991b1b;
  --red-dark: #fee2e2;
  --shadow: var(--shadow-lg);
}

:root[data-theme="light"],
:root[data-theme="light"] body {
  background-color: var(--bg-root);
  color: var(--text-primary);
}

:root[data-theme="light"] input,
:root[data-theme="light"] select,
:root[data-theme="light"] textarea {
  color-scheme: light;
}

/* Legacy pages predate the shared color tokens. These rules deliberately load
   after page CSS so those surfaces participate in the global light theme too. */
:root[data-theme="light"] body,
:root[data-theme="light"] .slack-settings-page {
  background: var(--bg-root) !important;
  color: var(--text-primary) !important;
}

:root[data-theme="light"] .prod-nav,
:root[data-theme="light"] .topbar,
:root[data-theme="light"] header:not(.modal-header):not(.dialog-header):not(.hub-topbar) {
  background-color: var(--nav-bg) !important;
  border-color: var(--border) !important;
  color: var(--text-primary) !important;
}

/* Keep the Toolkit home toolbar flat in light mode; its bottom border supplies
   the intended separation from the page content. */
:root[data-theme="light"] .hub-topbar {
  box-shadow: none !important;
  background: transparent !important;
}

:root[data-theme="light"] :is(.hub-card, .hub-card--featured, .hub-card--compact,
  .hub-card--settings, .hub-card--small) {
  background: var(--bg-surface) !important;
  border-color: var(--border) !important;
  color: var(--text-primary) !important;
}
:root[data-theme="light"] :is(.hub-card:hover, .hub-card:focus-visible) {
  background: var(--bg-elevated) !important;
  border-color: var(--accent) !important;
  color: var(--text-primary) !important;
}
:root[data-theme="light"] .hub-card :is(.hub-card-title, .hub-card-desc, .hub-card-arrow) {
  color: var(--text-primary) !important;
}
:root[data-theme="light"] .hub-card .hub-card-desc,
:root[data-theme="light"] .hub-card .hub-card-arrow {
  color: var(--text-secondary) !important;
}

:root[data-theme="light"] .prod-nav a,
:root[data-theme="light"] .back-link,
:root[data-theme="light"] .subtle,
:root[data-theme="light"] .muted,
:root[data-theme="light"] .filter-hint,
:root[data-theme="light"] .scorecard-label,
:root[data-theme="light"] .scorecard-subtext,
:root[data-theme="light"] .spec-preview,
:root[data-theme="light"] .blank-meta,
:root[data-theme="light"] .product-id {
  color: var(--text-secondary) !important;
}

:root[data-theme="light"] .prod-nav a:hover,
:root[data-theme="light"] .prod-nav a.active {
  background: var(--bg-active) !important;
  color: var(--accent-text) !important;
}

/* The Schedule and Planner flyouts sit above page-specific legacy styles. */
:root[data-theme="light"] .prod-nav .nav-dropdown-menu {
  background: var(--bg-surface) !important;
  border-color: var(--border-strong) !important;
  box-shadow: none !important;
}
:root[data-theme="light"] .prod-nav .nav-dropdown-menu a {
  color: var(--text-primary) !important;
}
:root[data-theme="light"] .prod-nav .nav-dropdown-menu a:hover,
:root[data-theme="light"] .prod-nav .nav-dropdown-menu a:focus-visible,
:root[data-theme="light"] .prod-nav .nav-dropdown-menu a.active {
  background: var(--accent-soft) !important;
  color: var(--accent-text) !important;
}

:root[data-theme="light"] :is(h1, h2, h3, h4, h5, h6, label, legend) {
  color: var(--text-primary) !important;
}

:root[data-theme="light"] a {
  color: var(--accent-text);
}

:root[data-theme="light"] table a {
  color: var(--accent-text) !important;
}

:root[data-theme="light"] :is(
  .card,
  .panel,
  .scorecard,
  .stat-item,
  .controls,
  .planner-filters,
  .cols-panel,
  .hub-card,
  .hub-settings-panel,
  .hub-details,
  .slack-connection,
  .slack-filter-panel,
  .slack-log-panel,
  .config-card,
  .config-body,
  .form-product-header,
  .form-blank-context,
  .tag-input-wrap,
  .message-preview,
  .slack-readonly-panel,
  .slack-edit-panel
) {
  background-color: var(--bg-surface) !important;
  border-color: var(--border) !important;
  color: var(--text-primary) !important;
}

:root[data-theme="light"] :is(
  input:not([type="checkbox"]):not([type="radio"]),
  select,
  textarea,
  .tag-filter-btn,
  .sched-inline-input
) {
  background-color: var(--bg-input) !important;
  border-color: var(--border-strong) !important;
  color: var(--text-primary) !important;
}

:root[data-theme="light"] input::placeholder,
:root[data-theme="light"] textarea::placeholder {
  color: var(--text-tertiary) !important;
  opacity: 1;
}

:root[data-theme="light"] :is(.btn, button):not(.btn-primary):not(.btn-success):not(.btn-danger):not(.danger):not(.production-note-link) {
  background-color: var(--bg-elevated);
  border-color: var(--border-strong);
  color: var(--text-primary);
}

:root[data-theme="light"] :is(.btn, button):not(.btn-primary):not(.btn-success):not(.btn-danger):not(.danger):not(.production-note-link):hover {
  background-color: var(--bg-active);
}

:root[data-theme="light"] table {
  background: var(--bg-surface) !important;
  color: var(--text-primary) !important;
}

:root[data-theme="light"] table :is(th, thead td) {
  background: var(--table-header) !important;
  border-color: var(--border-strong) !important;
  color: #334155 !important;
}

:root[data-theme="light"] table tbody tr:nth-child(odd) > td,
:root[data-theme="light"] table tbody tr:nth-child(odd) > th {
  background: var(--table-row-odd) !important;
}

:root[data-theme="light"] table tbody tr:nth-child(even) > td,
:root[data-theme="light"] table tbody tr:nth-child(even) > th {
  background: var(--table-row-even) !important;
}

:root[data-theme="light"] table tbody tr:hover > td,
:root[data-theme="light"] table tbody tr:hover > th {
  background: var(--table-hover) !important;
}

:root[data-theme="light"] table td {
  border-color: var(--border) !important;
  color: var(--text-primary) !important;
}

:root[data-theme="light"] a,
:root[data-theme="light"] table a {
  color: var(--accent-text) !important;
}

:root[data-theme="light"] .toolkit-theme-dark-text { color: #000000 !important; }
:root[data-theme="light"] .toolkit-theme-light-text { color: #ffffff !important; }
:root[data-theme="light"] .toolkit-theme-light-surface {
  background-color: var(--bg-surface) !important;
  border-color: var(--border) !important;
  color: var(--text-primary) !important;
}

/* Last-resort repairs for legacy page colours. The script only adds these
   classes when it measures insufficient contrast against the rendered surface. */
:root[data-theme="dark"] .toolkit-theme-dark-text { color: #000000 !important; }
:root[data-theme="dark"] .toolkit-theme-light-text { color: #ffffff !important; }
:root[data-theme="dark"] .toolkit-theme-light-text.toolkit-theme-light-text-muted { color: #94a3b8 !important; }
:root[data-theme="dark"] .toolkit-theme-light-text.toolkit-theme-light-text-soft { color: #cbd5e1 !important; }

/* Keep the Toolkit home section labels dark on their pale badge fills. */
:root[data-theme="light"] .hub-card-badge {
  color: var(--accent-text) !important;
}
:root[data-theme="light"] .hub-card--featured .hub-card-badge {
  color: var(--success-text) !important;
}

:root[data-theme="light"] :is(
  .product-info .title,
  .blank-info .blank-title,
  .form-product-header .title,
  .form-blank-context .title,
  .scorecard-value,
  .config-fact dd,
  .slack-log-table strong
) {
  color: var(--text-primary) !important;
}

:root[data-theme="light"] :is(
  .slide-over,
  .modal,
  .sched-modal,
  dialog,
  .routing-dialog,
  .sched-cols-panel,
  .sched-kebab-menu,
  .channel-dropdown,
  .user-dropdown
) {
  background: var(--bg-surface) !important;
  border-color: var(--border-strong) !important;
  color: var(--text-primary) !important;
  box-shadow: var(--shadow-lg) !important;
}

:root[data-theme="light"] :is(.modal-backdrop, .sched-modal-overlay) {
  background: rgba(51, 65, 85, 0.38) !important;
}

:root[data-theme="light"] dialog::backdrop {
  background: rgba(51, 65, 85, 0.38) !important;
}

:root[data-theme="light"] pre,
:root[data-theme="light"] code,
:root[data-theme="light"] .ink-tag,
:root[data-theme="light"] .tag-input-wrap .tag {
  background-color: var(--bg-elevated) !important;
  border-color: var(--border) !important;
  color: var(--text-primary) !important;
}

/* Keep meaning-bearing status colors readable on pale surfaces. */
:root[data-theme="light"] .spec-status.has-spec {
  background: #dcfce7 !important;
  color: #166534 !important;
}

:root[data-theme="light"] .spec-status.no-spec {
  background: #fef3c7 !important;
  color: #92400e !important;
}

:root[data-theme="light"] .stat-item.complete .value { color: #166534 !important; }
:root[data-theme="light"] .stat-item.warning .value { color: #92400e !important; }

/* Explicit control states take precedence over the legacy button fallback. */
:root[data-theme="light"] :is(.btn-primary, .primary-action) {
  background: var(--accent) !important;
  border-color: var(--accent) !important;
  color: #fff !important;
}
:root[data-theme="light"] :is(.btn-primary, .primary-action):hover {
  background: var(--accent-hover) !important;
}
:root[data-theme="light"] :is(.btn-views, .btn-grid, .btn-columns, .priority-detail-toggle) {
  background: var(--bg-input) !important;
  border-color: var(--border-strong) !important;
  color: var(--accent-text) !important;
}
:root[data-theme="light"] :is(.filter-toggle button.active, .view-tab.active,
  .batch-modal-tab.active, .btn[aria-pressed="true"], .priority-detail-toggle[aria-expanded="true"],
  .chart-toggle-button[aria-pressed="true"]) {
  background: var(--accent-soft) !important;
  color: var(--accent-text) !important;
  border-color: var(--accent) !important;
  box-shadow: inset 0 -3px 0 var(--accent);
  font-weight: 700;
}
:root[data-theme="light"] :is(button, a, summary, input, select, textarea):focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}
:root[data-theme="light"] :is(.priority-detail-panel, .priority-detail-drawer,
  .needs-dates-item, .capacity-panel, .job-stage-card, .control-panel) {
  background: var(--bg-surface) !important;
  border-color: var(--border) !important;
  color: var(--text-primary) !important;
}
:root[data-theme="light"] .defect-detail-panel {
  background: #eef0f2 !important;
}
:root[data-theme="light"] .defect-detail-panel :is(
  .detail-summary-item, .detail-section, .detail-value-card,
  .detail-note-history, .inline-photo-editor
) {
  background: color-mix(in srgb, var(--accent) 74%, transparent) !important;
  background-image: none !important;
  border-color: #a894d2 !important;
  backdrop-filter: blur(8px);
}
:root[data-theme="light"] #statusBox.is-running {
  background: var(--info-soft) !important;
  border-color: var(--info-border) !important;
  color: var(--info-text) !important;
}

/* Purchasing list and its expanded order/size panels. */
:root[data-theme="light"] :is(.child-panel, .child-details, .vendor-line-details,
  .page-notice, .table-header, .pagination, .po-row, .request-line-details,
  .po-title-cell, .request-product-cell, .action-menu > summary,
  .action-menu-popover, .inline-edit-wrap) {
  background: var(--bg-surface) !important;
  color: var(--text-primary) !important;
  border-color: var(--border) !important;
}
:root[data-theme="light"] :is(.title-main, .title-subline, .page-eyebrow, .control-label,
  .queue-group-label, .request-line-details summary) {
  color: var(--text-secondary) !important;
}

/* Batch details contain non-table rows and charts with legacy dark fills. */
:root[data-theme="light"] :is(.metric, .chart-shell, .history-event,
  .calendar-description-preview, .preview-item, .stage-window-table-wrap,
  .product-thumb-placeholder, .stage-pill, .proofing-pill, .capacity-week,
  .stage-entry-toolbar, .chart-tooltip) {
  background: var(--bg-elevated) !important;
  color: var(--text-primary) !important;
  border-color: var(--border) !important;
}
:root[data-theme="light"] .capacity-primary { color: var(--text-primary) !important; }
:root[data-theme="light"] .capacity-warning { color: var(--warning-text) !important; }
:root[data-theme="light"] .chart-landing-label { stroke: var(--bg-surface); fill: var(--text-secondary); }
:root[data-theme="light"] .chart-point-marker { fill: var(--bg-surface); }
:root[data-theme="light"] :is(.stage-pill[data-stage="completed"],
  .proofing-pill[data-proofing-status="approved"], .proofing-pill[data-proofing-status="waived"]) {
  background: var(--success-soft) !important;
  color: var(--success-text) !important;
}
:root[data-theme="light"] :is(.stage-pill[data-stage="finishing"],
  .proofing-pill[data-proofing-status="awaiting_approval"]) {
  background: var(--warning-soft) !important;
  color: var(--warning-text) !important;
}

/* Intake uses gradients and translucent dark panels in addition to tokens. */
:root[data-theme="light"] :is(#retailDefectForm, .details-card, .success-card,
  .photo-upload-slot, .photo-preview, .inventory-effect) {
  background: var(--bg-surface) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-strong) !important;
}
:root[data-theme="light"] :is(.match-kicker, .return-kicker, .photo-status,
  .photo-preview-caption, .ghost-btn, .details-card summary) {
  color: var(--text-secondary) !important;
}
:root[data-theme="light"] :is(.field-error, .required, .req-pill, .routing-error) {
  color: var(--danger-text) !important;
}
:root[data-theme="light"] :is(.quick-pick.active, .inventory-effect.is-pending) {
  background: var(--info-soft) !important;
  color: var(--info-text) !important;
  border-color: var(--info-text) !important;
}
:root[data-theme="light"] :is(.inventory-effect.is-ready, .receipt) {
  background: var(--success-soft) !important;
  color: var(--success-text) !important;
}
:root[data-theme="light"] .inventory-effect.is-warn {
  background: var(--warning-soft) !important;
  color: var(--warning-text) !important;
}

/* OTB popovers and sticky columns must share the same light surfaces. */
:root[data-theme="light"] :is(.policy-exclusions-panel, .column-picker > div,
  .tag-selector-panel, .table-shell, .sticky-name, .prior-panel, .source) {
  background: var(--bg-surface) !important;
  color: var(--text-primary) !important;
}
:root[data-theme="light"] :is(.exclusion-chip, .advanced-panel > summary) {
  background: var(--bg-elevated) !important;
  color: var(--text-secondary) !important;
}

/* Older scan, purchasing and planner pages use fixed dark panel fills. */
:root[data-theme="light"] :is(.surface, .work-order-section, #statusBox.status,
  .search-empty-state, .timing-box, #productsTable tbody tr) {
  background: var(--bg-surface) !important;
  border-color: var(--border-strong) !important;
  color: var(--text-primary) !important;
}
:root[data-theme="light"] :is(.surface-soft, .photo-frame, .packet-menu) {
  background: var(--bg-elevated) !important;
  border-color: var(--border-strong) !important;
  color: var(--text-primary) !important;
}
:root[data-theme="light"] :is(.work-order-section h3, .surface .metric-value,
  .surface .timing-total) {
  color: var(--text-primary) !important;
}
:root[data-theme="light"] .surface :is(.text-white, .text-slate-100,
  .text-slate-200, .text-slate-300, .text-slate-400) {
  color: var(--text-secondary) !important;
}
:root[data-theme="light"] .surface :is(h1.text-white, h2.text-white) {
  color: var(--text-primary) !important;
}
:root[data-theme="light"] :is(.surface .status-pill, .surface .pill) {
  background: var(--info-soft) !important;
  border-color: var(--info-border) !important;
  color: var(--info-text) !important;
}
:root[data-theme="light"] .surface .status-pill[data-tone="success"] {
  background: var(--success-soft) !important;
  border-color: var(--success-border) !important;
  color: var(--success-text) !important;
}
:root[data-theme="light"] .surface .status-pill[data-tone="attention"],
:root[data-theme="light"] .surface .status-pill[data-tone="warning"] {
  background: var(--warning-soft) !important;
  border-color: var(--warning-border) !important;
  color: var(--warning-text) !important;
}
:root[data-theme="light"] :is(.surface .action-secondary, .surface .btn-secondary,
  .surface .text-input, .surface .top-link a) {
  background: var(--bg-input) !important;
  border-color: var(--border-strong) !important;
  color: var(--text-primary) !important;
}
:root[data-theme="light"] .surface .action-secondary:hover,
:root[data-theme="light"] .surface .btn-secondary:hover {
  background: var(--bg-hover) !important;
}

/* The standalone mobile dashboard uses Tailwind color utilities. */
:root[data-theme="light"] .mobile-dashboard :is(.bg-slate-800, .bg-slate-900) {
  background-color: var(--bg-surface) !important;
  color: var(--text-primary) !important;
}
:root[data-theme="light"] .mobile-dashboard :is(.text-slate-100, .text-slate-400) {
  color: var(--text-secondary) !important;
}
:root[data-theme="light"] .mobile-dashboard input.bg-slate-900 {
  background-color: var(--bg-input) !important;
  color: var(--text-primary) !important;
}
:root[data-theme="light"] .mobile-dashboard :is(.border-slate-600, .border-slate-700) {
  border-color: var(--border-strong) !important;
}

/* Expanded Print Schedule rows contain older fixed dark colors. */
:root:not([data-theme="light"]) .schedule-table .target-cell:not(.overdue):not(.today):not(.upcoming) {
  color: #c4b5fd !important;
}
:root:not([data-theme="light"]) .schedule-table .detail-content .inline-date-input {
  background-color: var(--bg-active) !important;
  border-color: var(--accent-muted) !important;
  color: #fff !important;
  color-scheme: dark;
}
:root[data-theme="light"] .schedule-table tbody tr.main-row.expanded > td {
  background: var(--bg-active) !important;
}
:root[data-theme="light"] .schedule-table tbody tr.detail-row > td,
:root[data-theme="light"] .schedule-table tbody tr.detail-row:hover > td {
  background: var(--bg-root) !important;
  border-left: 3px solid var(--accent);
}
@media (max-width: 900px) {
  :root[data-theme="light"] .schedule-table tbody tr.main-row,
  :root[data-theme="light"] .schedule-table tbody tr.main-row:nth-child(even),
  :root[data-theme="light"] .schedule-table tbody tr.main-row:hover {
    background: var(--bg-surface) !important;
  }
  :root[data-theme="light"] .schedule-table tbody tr.main-row.expanded,
  :root[data-theme="light"] .schedule-table tbody tr.main-row.expanded:hover {
    background: var(--bg-active) !important;
  }
  :root[data-theme="light"] .schedule-table tbody tr.detail-row.visible,
  :root[data-theme="light"] .schedule-table tbody tr.detail-row.visible:hover {
    background: var(--bg-root) !important;
  }
  :root[data-theme="light"] .schedule-table tbody tr.main-row.expanded,
  :root[data-theme="light"] .schedule-table tbody tr.detail-row.visible {
    border-color: transparent !important;
  }
  :root[data-theme="light"] .schedule-table tbody tr.detail-row.visible {
    border-left-color: var(--accent) !important;
  }
}
:root[data-theme="light"] .detail-content :is(
  .blank-product-summary, .size-breakdown-table, .full-notes,
  .batch-detail-panel, .specs-grid, .production-notes
) {
  background: var(--bg-surface) !important;
  border-color: var(--border-strong) !important;
  color: var(--text-primary) !important;
}
:root[data-theme="light"] .detail-content .size-breakdown-table th {
  background: var(--table-header) !important;
  color: var(--text-secondary) !important;
}
:root[data-theme="light"] .detail-content .size-breakdown-table td {
  background: var(--bg-surface) !important;
  color: var(--text-primary) !important;
  border-color: var(--border) !important;
}
:root[data-theme="light"] .detail-content :is(
  .summary-title, .size-name, .batch-detail-name, .specs-grid > div
) {
  color: var(--text-primary) !important;
}
:root[data-theme="light"] .detail-content :is(
  .summary-label, .summary-meta, .batch-detail-muted, .spec-label,
  .full-notes.empty, .notes-save-state, .schedule-field-save-state,
  .production-note-pdf-help
) {
  color: var(--text-secondary) !important;
}
:root[data-theme="light"] .detail-content .detail-actions-bar {
  border-color: var(--border-strong);
}
:root[data-theme="light"] .detail-content .detail-actions-bar .btn-outline {
  background: var(--bg-elevated) !important;
  border-color: var(--border-strong) !important;
  color: var(--text-primary) !important;
}
:root[data-theme="light"] .detail-content .detail-actions-bar .btn-outline:hover {
  background: var(--bg-active) !important;
}
:root[data-theme="light"] .detail-content .btn-batch-remove {
  background: var(--danger-soft) !important;
  border-color: var(--danger-border) !important;
  color: var(--danger-text) !important;
}
:root[data-theme="light"] .detail-content .status-select-inline option {
  background: var(--bg-input);
  color: var(--text-primary);
}
:root[data-theme="light"] .detail-content :is(.notes-save-state.saved, .schedule-field-save-state.saved) {
  color: var(--success-text) !important;
}
:root[data-theme="light"] .detail-content :is(.notes-save-state.saving, .schedule-field-save-state.saving) {
  color: var(--accent-text) !important;
}
:root[data-theme="light"] .detail-content :is(.notes-save-state.error, .schedule-field-save-state.error) {
  color: var(--danger-text) !important;
}

.toolkit-back-to-top {
  position: fixed;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  z-index: 80;
  min-width: 44px;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--border-strong, #64748b);
  border-radius: 24px;
  background: var(--bg-elevated, #1e293b);
  color: var(--text-primary, #f8fafc);
  box-shadow: var(--shadow-md, 0 4px 12px #0003);
  font: 600 14px/1.2 system-ui, sans-serif;
  cursor: pointer;
}
.toolkit-back-to-top[hidden] { display: none; }
.toolkit-back-to-top:focus-visible { outline: 3px solid var(--accent, #818cf8); outline-offset: 3px; }

.toolkit-theme-toggle {
  position: fixed;
  top: max(14px, env(safe-area-inset-top));
  right: max(14px, env(safe-area-inset-right));
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  padding: 10px 13px;
  border: 1px solid var(--border-strong, #64748b);
  border-radius: 999px;
  background: var(--bg-elevated, #1e293b);
  color: var(--text-primary, #f8fafc);
  box-shadow: var(--shadow-md, 0 4px 12px #0003);
  font: 600 14px/1 system-ui, sans-serif;
  cursor: pointer;
}
.toolkit-theme-toggle:hover { background: var(--bg-hover, #334155); }
.toolkit-theme-toggle-icon { color: var(--accent, #818cf8); font-size: 18px; line-height: 1; }
.toolkit-theme-toggle:focus-visible { outline: 3px solid var(--accent, #818cf8); outline-offset: 3px; }

@media (max-width: 520px) {
  .toolkit-theme-toggle {
    width: 44px;
    justify-content: center;
    padding: 0;
  }
  .toolkit-theme-toggle-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
}

@media print { .toolkit-back-to-top, .toolkit-theme-toggle { display: none !important; } }

/* Shared motion for menus, disclosures, dialogs and everyday controls. Keep
   these rules here so pages with older, page-local styles still feel consistent. */
:root {
  --toolkit-motion-fast: 150ms;
  --toolkit-motion-panel: 220ms;
  --toolkit-motion-ease: cubic-bezier(0.2, 0.75, 0.25, 1);
}

:where(button, a, summary, [role="button"], select, input[type="checkbox"], input[type="radio"]) {
  transition-property: background-color, border-color, color, box-shadow, transform;
  transition-duration: var(--toolkit-motion-fast);
  transition-timing-function: var(--toolkit-motion-ease);
}

:where(button, [role="button"], .btn):active:not(:disabled) {
  transform: translateY(1px);
}

:where(
  .prod-nav .nav-dropdown-menu,
  .sched-kebab-menu,
  .tag-dropdown,
  .batch-filter-menu,
  .multi-filter-menu,
  .channel-dropdown,
  .user-dropdown,
  .packet-menu,
  .action-menu-popover
) {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-4px);
  transform-origin: top center;
  transition: opacity var(--toolkit-motion-fast) ease,
    transform var(--toolkit-motion-panel) var(--toolkit-motion-ease),
    visibility var(--toolkit-motion-panel) ease,
    display var(--toolkit-motion-panel) allow-discrete;
  transition-behavior: allow-discrete;
}

:where(
  .prod-nav .nav-dropdown:hover .nav-dropdown-menu,
  .prod-nav .nav-dropdown:focus-within .nav-dropdown-menu,
  .sched-kebab-menu.open,
  .tag-dropdown.open,
  .batch-filter-menu:not([hidden]),
  .multi-filter-menu:not([hidden]),
  .channel-dropdown[style*="display: block"],
  .user-dropdown[style*="display: block"],
  .packet-menu:not([hidden]),
  .action-menu-popover:not([hidden])
) {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

@starting-style {
  :where(
    .prod-nav .nav-dropdown:hover .nav-dropdown-menu,
    .prod-nav .nav-dropdown:focus-within .nav-dropdown-menu,
    .sched-kebab-menu.open,
    .tag-dropdown.open,
    .batch-filter-menu:not([hidden]),
    .multi-filter-menu:not([hidden]),
    .channel-dropdown[style*="display: block"],
    .user-dropdown[style*="display: block"],
    .packet-menu:not([hidden]),
    .action-menu-popover:not([hidden])
  ) {
    opacity: 0;
    transform: translateY(-4px);
  }
}

/* Native disclosures such as settings cards and Slack notification groups. */
@supports (interpolate-size: allow-keywords) {
  :root { interpolate-size: allow-keywords; }

  details::details-content {
    block-size: 0;
    overflow-y: clip;
    transition: block-size var(--toolkit-motion-panel) var(--toolkit-motion-ease),
      content-visibility var(--toolkit-motion-panel) allow-discrete;
  }

  details[open]::details-content { block-size: auto; }
}

/* Animate common modal backdrops and their contents as one interaction. */
:where(.modal-overlay, .sched-modal-overlay) {
  opacity: 0;
  transition: opacity var(--toolkit-motion-panel) ease,
    display var(--toolkit-motion-panel) allow-discrete;
  transition-behavior: allow-discrete;
}

:where(.modal-overlay.open, .modal-overlay.visible, .modal-overlay.active, .sched-modal-overlay.open) {
  opacity: 1;
}

:where(.modal-overlay, .sched-modal-overlay) > :where(.modal, .sched-modal, dialog) {
  opacity: 0;
  transform: translateY(8px) scale(0.985);
  transition: opacity var(--toolkit-motion-panel) ease,
    transform var(--toolkit-motion-panel) var(--toolkit-motion-ease);
}

:where(.modal-overlay.open, .modal-overlay.visible, .modal-overlay.active, .sched-modal-overlay.open)
  > :where(.modal, .sched-modal, dialog) {
  opacity: 1;
  transform: translateY(0) scale(1);
}

@starting-style {
  :where(.modal-overlay.open, .modal-overlay.visible, .modal-overlay.active, .sched-modal-overlay.open) {
    opacity: 0;
  }

  :where(.modal-overlay.open, .modal-overlay.visible, .modal-overlay.active, .sched-modal-overlay.open)
    > :where(.modal, .sched-modal, dialog) {
    opacity: 0;
    transform: translateY(8px) scale(0.985);
  }
}

/* Detail rows already have page-specific open classes; animate their entry. */
:where(
  .schedule-table tbody tr.detail-row,
  .defect-detail-row,
  .priority-detail-row
) {
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--toolkit-motion-panel) ease,
    transform var(--toolkit-motion-panel) var(--toolkit-motion-ease),
    display var(--toolkit-motion-panel) allow-discrete;
  transition-behavior: allow-discrete;
}

:where(
  .schedule-table tbody tr.detail-row.visible,
  .defect-detail-row.is-open,
  .priority-detail-row.is-expanded
) {
  opacity: 1;
  transform: translateY(0);
}

@starting-style {
  :where(
    .schedule-table tbody tr.detail-row.visible,
    .defect-detail-row.is-open,
    .priority-detail-row.is-expanded
  ) {
    opacity: 0;
    transform: translateY(-4px);
  }
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --toolkit-motion-fast: 1ms;
    --toolkit-motion-panel: 1ms;
  }

  :where(*, *::before, *::after) {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    transition-delay: 0ms !important;
  }
}

/* Native select controls use a flat field and a small geometric chevron.
   The colour tokens exist only in light mode, so dark mode keeps each page's
   field background and uses the dark palette fallbacks for the chevron and border. */
:root select:not([multiple]):not([size]):not(.status-select-inline) {
  -webkit-appearance: none !important;
  appearance: none !important;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--text-secondary, #94a3b8) 50%),
    linear-gradient(135deg, var(--text-secondary, #94a3b8) 50%, transparent 50%) !important;
  background-position:
    calc(100% - 15px) 50%,
    calc(100% - 10px) 50% !important;
  background-repeat: no-repeat !important;
  background-size: 5px 5px !important;
  border-color: var(--border-strong, #334155) !important;
  border-radius: var(--radius-md, 8px) !important;
  padding-right: 2rem !important;
  box-shadow: none !important;
  filter: none !important;
}

:root[data-theme="light"] select:not([multiple]):not([size]):not(.status-select-inline) {
  background-color: var(--bg-input) !important;
}

:root select:not([multiple]):not([size]):not(.status-select-inline):focus {
  outline: 2px solid var(--accent, #3b82f6) !important;
  outline-offset: 1px;
  box-shadow: none !important;
}

:root select:not([multiple]):not([size]):not(.status-select-inline) option {
  background-color: var(--bg-surface);
  color: var(--text-primary);
}

:root select.status-select-inline {
  box-shadow: none !important;
  filter: none !important;
}

:root :is(
  .prod-nav .nav-dropdown-menu,
  .sched-kebab-menu,
  .sched-cols-panel,
  .cols-panel,
  .tag-dropdown,
  .batch-filter-menu,
  .multi-filter-menu,
  .autocomplete-results,
  .channel-dropdown,
  .user-dropdown,
  .packet-menu,
  .action-menu-popover,
  .policy-exclusions-panel,
  .column-picker > div,
  .tag-selector-panel,
  .production-note-mention-menu
) {
  background-color: var(--bg-surface) !important;
  background-image: none !important;
  backdrop-filter: none !important;
  border-color: var(--border-strong) !important;
  border-radius: var(--radius-md, 8px) !important;
  box-shadow: none !important;
}

:root :is(
  .multi-filter-toggle,
  .prod-nav .nav-dropdown-trigger,
  .packet-menu-toggle,
  button[aria-haspopup="listbox"],
  button[aria-haspopup="menu"]
) {
  background-image: none !important;
  box-shadow: none !important;
  filter: none !important;
}

/* QR scan actions retain a clear, purple hierarchy in light mode. */
:root[data-theme="light"] #scan-app .action-primary {
  background: #4f46e5 !important;
  border-color: #4f46e5 !important;
  color: #ffffff !important;
}
:root[data-theme="light"] #scan-app .action-primary:hover {
  background: #4338ca !important;
  border-color: #4338ca !important;
}
:root[data-theme="light"] #scan-app .action-secondary {
  background: #ffffff !important;
  border-color: #a78bfa !important;
  color: #4c1d95 !important;
}
:root[data-theme="light"] #scan-app .action-secondary:hover {
  background: #f5f3ff !important;
  border-color: #8b5cf6 !important;
  color: #3b0764 !important;
}

/* The QR stage and proofing trackers are generated after page load. Give their
   labels explicit theme colors so Chrome and Safari do not retain the
   dark-template text color. */
:root[data-theme="light"] #scan-app .track-label {
  color: #475569 !important;
}
:root[data-theme="light"] #scan-app .track-step:is([data-state="current"], [data-state="complete"],
  [data-state="paused"], [data-state="attention"], [data-selected="true"]) .track-label {
  color: #312e81 !important;
}
:root[data-theme="light"] #scan-app .track-state {
  color: #526175 !important;
}
:root[data-theme="light"] #scan-app .track-state[data-tone="success"] { color: #166534 !important; }
:root[data-theme="light"] #scan-app .track-state[data-tone="info"] { color: #075985 !important; }
:root[data-theme="light"] #scan-app .track-state[data-tone="attention"] { color: #92400e !important; }
:root[data-theme="light"] #scan-app .track-step::before { background: #cbd5e1; }
:root[data-theme="light"] #scan-app .track-step[data-state="complete"]::before { background: #16a34a; }
:root[data-theme="light"] #scan-app .track-dot {
  background: #ffffff;
  border-color: #94a3b8;
  color: #334155;
}
:root[data-theme="light"] #scan-app .track-step[data-state="complete"] .track-dot {
  background: #16a34a;
  border-color: #16a34a;
  color: #ffffff;
}
:root[data-theme="light"] #scan-app .track-step[data-state="current"] .track-dot {
  background: #eef2ff;
  border-color: #4f46e5;
  color: #3730a3;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}
:root[data-theme="light"] #scan-app .track-step:is([data-state="paused"], [data-state="attention"]) .track-dot {
  background: #fef3c7;
  border-color: #d97706;
  color: #92400e;
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.18);
}
:root[data-theme="light"] #scan-app .track-step[data-selected="true"] {
  background: rgba(79, 70, 229, 0.08);
  border-color: #4f46e5;
  box-shadow: inset 0 -3px 0 #4f46e5;
}
:root[data-theme="light"] #scan-app .track-step:focus-visible { outline-color: #4f46e5; }
:root[data-theme="dark"] #scan-app .track-label { color: #c3ced2 !important; }
:root[data-theme="dark"] #scan-app .track-step:is([data-state="current"], [data-state="complete"],
  [data-state="paused"], [data-state="attention"], [data-selected="true"]) .track-label { color: #f8fafc !important; }
:root[data-theme="dark"] #scan-app .track-state { color: #8fa0a6 !important; }
:root[data-theme="dark"] #scan-app .track-state[data-tone="success"] { color: #86efac !important; }
:root[data-theme="dark"] #scan-app .track-state[data-tone="info"] { color: #7dd3fc !important; }
:root[data-theme="dark"] #scan-app .track-state[data-tone="attention"] { color: #fde68a !important; }

/* Proofing panel: single timer card, selected-step detail, completed bar. */
:root[data-theme="light"] #scan-app .proofing-timer {
  background: #ffffff !important;
  border-color: #c7d2fe !important;
}
:root[data-theme="light"] #scan-app .proofing-timer[data-state="active"] {
  background: rgba(21, 128, 61, 0.08) !important;
  border-color: rgba(21, 128, 61, 0.35) !important;
}
:root[data-theme="light"] #scan-app .proofing-timer[data-state="paused"] {
  background: rgba(180, 83, 9, 0.09) !important;
  border-color: rgba(180, 83, 9, 0.35) !important;
}
:root[data-theme="light"] #scan-app .proofing-timer[data-state="complete"] {
  background: rgba(21, 128, 61, 0.09) !important;
  border-color: rgba(21, 128, 61, 0.35) !important;
}
:root[data-theme="light"] #scan-app .proofing-timer-value { color: #111827 !important; }
:root[data-theme="light"] #scan-app .proofing-step-detail {
  background: #ffffff !important;
  border-color: #c4b5fd !important;
}
:root[data-theme="light"] #scan-app .proofing-step-detail :is(.text-white, .text-slate-200, .text-slate-300) { color: #334155 !important; }
:root[data-theme="light"] #scan-app .proofing-step-detail :is(.proofing-step-title, .proofing-section summary, .proofing-copy > .font-semibold) { color: #312e81 !important; }
:root[data-theme="light"] #scan-app .action-danger {
  background: #ffffff !important;
  border: 1px solid #f87171 !important;
  color: #991b1b !important;
}
:root[data-theme="light"] #scan-app .action-danger:hover {
  background: #fef2f2 !important;
  border-color: #ef4444 !important;
}
:root[data-theme="light"] #scan-app :is(.proofing-link, .proofing-text-link, .stage-back-link) {
  color: #4338ca !important;
  text-decoration-color: rgba(79, 70, 229, 0.5);
}
:root[data-theme="light"] #scan-app .proofing-state {
  border-color: #94a3b8;
  color: #475569;
}
:root[data-theme="light"] #scan-app .proofing-state-current { border-color: #4f46e5; color: #4338ca; }
:root[data-theme="light"] #scan-app .proofing-state-complete { border-color: #16a34a; color: #166534; }
:root[data-theme="light"] #scan-app .proofing-state-warning { border-color: #d97706; color: #92400e; }
:root[data-theme="light"] #scan-app #proofing-panel.proofing-panel-complete {
  background: rgba(21, 128, 61, 0.09) !important;
  border-color: rgba(21, 128, 61, 0.4) !important;
}
:root[data-theme="light"] #scan-app .proofing-complete-dot { background: #16a34a; color: #ffffff; }
:root[data-theme="light"] #scan-app .proofing-complete-title { color: #14532d !important; }
:root[data-theme="light"] #scan-app .proofing-complete-meta { color: #166534 !important; }
:root[data-theme="light"] #scan-app .stage-time-picker {
  background: transparent !important;
  border-color: #c4b5fd !important;
}

/* Some scan status and editor panels use dark Slate utilities in the dark UI.
   Replace those surfaces in light mode so their light-mode text stays legible. */
:root[data-theme="light"] #scan-app :is(
  .stage-time-picker,
  .print-spec-link-card,
  .proofing-checkpoint,
  [class*="bg-slate-800"],
  [class*="bg-slate-900"]
) {
  background: #f8f7ff !important;
  border-color: #c4b5fd !important;
  color: #312e81 !important;
}
:root[data-theme="light"] #scan-app :is(
  .stage-time-picker,
  .print-spec-link-card,
  .proofing-checkpoint,
  [class*="bg-slate-800"],
  [class*="bg-slate-900"]
) :is(.text-white, .text-slate-100, .text-slate-200, .text-slate-300, .text-slate-400) {
  color: #475569 !important;
}
:root[data-theme="light"] #scan-app :is(
  .stage-time-picker,
  .print-spec-link-card,
  .proofing-checkpoint,
  [class*="bg-slate-800"],
  [class*="bg-slate-900"]
) :is(.font-semibold, .field-label) {
  color: #312e81 !important;
}


/* Keep the colored scan summaries, with a translucent fill that supports dark text. */
:root[data-theme="light"] #scan-app .buddy-check-details {
  background: rgba(8, 145, 178, 0.12) !important;
  border-color: rgba(8, 145, 178, 0.38) !important;
}
:root[data-theme="light"] #scan-app .job-batch-card {
  background: rgba(13, 148, 136, 0.12) !important;
  border-color: rgba(13, 148, 136, 0.38) !important;
}
:root[data-theme="light"] #scan-app .job-batch-card :is(.text-teal-100, .text-teal-200, a) {
  color: #334155 !important;
}

/* Primary actions must stay light inside the scan editor panels. */
:root[data-theme="light"] #scan-app .action-primary,
:root[data-theme="light"] #scan-app .action-primary :is(.font-semibold, .field-label) {
  color: #ffffff !important;
}

/* The picker panel's label rule is more specific than the shared action rule. */
:root[data-theme="light"] #scan-app :is(
  .stage-time-picker,
  .print-spec-link-card,
  .proofing-checkpoint,
  [class*="bg-slate-800"],
  [class*="bg-slate-900"]
) .action-primary {
  color: #ffffff !important;
  -webkit-text-fill-color: #ffffff !important;
}


/* The QR scan Notes card follows the Stage section and needs a visible light-mode title. */
:root[data-theme="light"] #scan-app .production-notes {
  border-color: #c4b5fd !important;
}
:root[data-theme="light"] #scan-app .production-notes-summary {
  color: #312e81 !important;
}
:root[data-theme="light"] #scan-app .production-notes :is(p, small, strong) {
  color: #475569;
}
:root[data-theme="light"] #scan-app .production-notes strong {
  color: #312e81;
}

/* Keep every Notes-card control and label readable in light mode. */
:root[data-theme="light"] #scan-app .production-notes,
:root[data-theme="light"] #scan-app .production-notes :is(p, small, label, select, textarea, button) {
  color: #334155 !important;
}
:root[data-theme="light"] #scan-app .production-notes :is(.production-notes-summary, strong, summary) {
  color: #312e81 !important;
}
:root[data-theme="light"] #scan-app .production-notes :is(select, textarea) {
  background: #ffffff !important;
  border-color: #a78bfa !important;
}
:root[data-theme="light"] #scan-app .production-notes button {
  background: #f5f3ff !important;
  border-color: #a78bfa !important;
}

/* Contrast repairs must be atomic, including when legacy controls animate colors. */
.toolkit-theme-dark-text, .toolkit-theme-light-text, .toolkit-theme-light-surface {
  transition: none !important;
}
#scan-app .job-batch-card, #scan-app .job-batch-card *,
#scan-app .stage-overview-dot { transition: none !important; }
:root[data-theme="light"] #scan-app .stage-overview-dot {
  background: #e2e8f0 !important; border-color: #64748b !important; color: #172033 !important;
}
:root[data-theme="light"] #scan-app .stage-overview-step[data-state="complete"] .stage-overview-dot {
  background: #a7f3d0 !important; border-color: #047857 !important; color: #064e3b !important;
}
:root[data-theme="light"] #scan-app .stage-overview-step:is([data-state="current"], [data-selected="true"]) .stage-overview-dot {
  background: #e0f2fe !important; border-color: #0369a1 !important; color: #0c4a6e !important;
}
:root[data-theme="light"] #scan-app .stage-overview-step[data-state="blocked"] .stage-overview-dot {
  background: #fef3c7 !important; border-color: #b45309 !important; color: #78350f !important;
}