:root {
  --delta-bg-canvas: #f3f6fb;
  --delta-bg-canvas-alt: #edf2f8;
  --delta-bg-surface: #ffffff;
  --delta-bg-surface-muted: #f8fafd;
  --delta-bg-surface-hover: #eef4ff;
  --delta-border: rgba(15, 23, 42, 0.14);
  --delta-border-strong: rgba(15, 23, 42, 0.24);
  --delta-text: #0f172a;
  --delta-text-soft: #334155;
  --delta-text-muted: #64748b;
  --delta-link: #1d4ed8;
  --delta-link-hover: #1e40af;
  --delta-accent: #2563eb;
  --delta-accent-contrast: #ffffff;
  --delta-focus: rgba(37, 99, 235, 0.38);
  --delta-shadow-sm: 0 8px 24px rgba(15, 23, 42, 0.08);
  --delta-shadow: 0 16px 36px rgba(15, 23, 42, 0.12);

  --bs-body-bg: var(--delta-bg-canvas);
  --bs-body-color: var(--delta-text);
  --bs-secondary-color: var(--delta-text-muted);
  --bs-tertiary-bg: var(--delta-bg-surface-muted);
  --bs-border-color: var(--delta-border);
  --bs-link-color: var(--delta-link);
  --bs-link-hover-color: var(--delta-link-hover);
  --bs-card-bg: var(--delta-bg-surface);
  --bs-card-color: var(--delta-text);
  --bs-card-border-color: var(--delta-border);
  --bs-modal-bg: var(--delta-bg-surface);
  --bs-modal-color: var(--delta-text);
  --bs-dropdown-bg: var(--delta-bg-surface);
  --bs-dropdown-border-color: var(--delta-border);

  --pdf-beta-bg: var(--delta-bg-canvas);
  --pdf-beta-surface: var(--delta-bg-surface);
  --pdf-beta-border: rgba(15, 23, 42, 0.18);
  --pdf-beta-text: var(--delta-text);
  --pdf-beta-muted: var(--delta-text-muted);
}

:root.dark-mode,
html.dark-mode,
body.dark-mode {
  color-scheme: dark;
  --delta-bg-canvas: #0b1220;
  --delta-bg-canvas-alt: #111b2e;
  --delta-bg-surface: #111827;
  --delta-bg-surface-muted: #1f2937;
  --delta-bg-surface-hover: #253448;
  --delta-border: rgba(148, 163, 184, 0.32);
  --delta-border-strong: rgba(148, 163, 184, 0.5);
  --delta-text: #e2e8f0;
  --delta-text-soft: #cbd5e1;
  --delta-text-muted: #94a3b8;
  --delta-link: #93c5fd;
  --delta-link-hover: #bfdbfe;
  --delta-accent: #3b82f6;
  --delta-accent-contrast: #f8fafc;
  --delta-focus: rgba(147, 197, 253, 0.5);
  --delta-shadow-sm: 0 10px 26px rgba(2, 6, 23, 0.38);
  --delta-shadow: 0 20px 44px rgba(2, 6, 23, 0.5);

  --pdf-beta-border: rgba(148, 163, 184, 0.36);
}

html,
body {
  background: var(--delta-bg-canvas);
  color: var(--delta-text);
}

a {
  color: var(--delta-link);
}

a:hover {
  color: var(--delta-link-hover);
}

::selection {
  background: color-mix(in srgb, var(--delta-accent) 30%, transparent);
}

.text-muted,
.text-body-secondary {
  color: var(--delta-text-muted) !important;
}

.card,
.modal-content,
.dropdown-menu,
.list-group-item,
.offcanvas,
.input-group-text,
.table,
.form-control,
.form-select,
.form-check-input,
.board-table,
.board-table__clusterize,
.board-table__popover,
.filter-panel,
.briefs-list,
.briefs-detail,
.comments-header,
.comments-list,
.embeddings-header,
.embeddings-status,
.embeddings-table,
#table-container,
.filter-card,
.pdf-beta-toolbar,
.pdf-beta-page {
  background-color: var(--delta-bg-surface);
  color: var(--delta-text);
  border-color: var(--delta-border);
}

.table > :not(caption) > * > * {
  border-bottom-color: var(--delta-border);
}

.table-light > :not(caption) > * > * {
  background-color: var(--delta-bg-surface-muted);
  color: var(--delta-text-soft);
}

.table-hover > tbody > tr:hover > * {
  background-color: var(--delta-bg-surface-hover);
}

.form-control,
.form-select,
.input-group-text {
  background-color: var(--delta-bg-surface);
  color: var(--delta-text);
  border-color: var(--delta-border-strong);
}

.form-control::placeholder,
.form-select::placeholder {
  color: var(--delta-text-muted);
}

.form-control:focus,
.form-select:focus,
.btn:focus-visible,
button:focus-visible {
  border-color: var(--delta-accent);
  box-shadow: 0 0 0 3px var(--delta-focus);
}

.btn-outline-secondary,
.btn-outline-primary,
.btn-outline-danger,
.btn-outline-success,
.btn-outline-warning {
  border-color: var(--delta-border-strong);
}

body.dark-mode .btn-close {
  filter: invert(1) grayscale(100%);
}

.board-page,
.search-page,
.briefs-page,
.comments-page,
.embeddings-page,
.label-page,
.clients-desk-page,
.pdf-beta-app {
  color: var(--delta-text);
}

.board-page__title,
.search-page__title,
.board-table__sort-button,
.board-table__popover-title,
.cards-table .card-name,
.label-table tbody th,
.comments-title,
.comment-row__author,
.embeddings-desc,
.filter-group__label,
.briefs-list__name {
  color: var(--delta-text);
}

.board-page__subtitle,
.board-stage-filter__label,
.board-table__count,
.board-table__cell-muted,
.search-page__subtitle,
.search-summary,
.search-status,
.results-summary,
.label-group-title,
.create-label-form small,
.comment-row__date,
.comment-row__preview,
.briefs-card__empty,
.briefs-detail__placeholder,
.embeddings-header__title .text-muted,
.pdf-beta-toolbar__subtitle {
  color: var(--delta-text-muted);
}

.board-stage-filter__button,
.board-meta-filter .board-stage-filter__button,
.filter-chip,
.filter-toggle,
.filter-pill,
.board-table__filter-input,
.board-table__date-filter,
.board-activity-filter__value,
.label-chip--suggestion,
.create-label-form,
.create-label-form input[type="text"] {
  background: var(--delta-bg-surface-muted);
  color: var(--delta-text-soft);
  border-color: var(--delta-border-strong);
}

.board-stage-filter__button:hover,
.filter-chip:hover,
.filter-chip:focus-visible,
.filter-toggle:hover,
.filter-toggle:focus-visible,
.filter-pill:hover,
.filter-pill:focus,
.label-chip--suggestion:hover,
.label-chip--suggestion:focus-visible,
.board-table__row:hover td,
.shortlist-card.is-drop-target-before::before,
.shortlist-card.is-drop-target-after::after {
  border-color: var(--delta-accent);
  color: var(--delta-link);
}

.board-stage-filter__button.is-active,
.board-meta-filter .board-stage-filter__button.is-active,
.filter-chip--active,
.filter-toggle--active,
.filter-pill.active,
.briefs-card--selected {
  background: var(--delta-accent);
  border-color: var(--delta-accent);
  color: var(--delta-accent-contrast);
}

.board-page__hint,
.comment-row__body,
.search-filter-group,
.search-page__controls,
.briefs-card,
.briefs-kanban__empty,
.briefs-empty-board,
.label-list,
.cards-table tbody td,
.board-table__scroll thead th,
.board-table__filter-row th,
.board-activity-filter__value,
.pdf-beta-toolbar__secure-toggle {
  background: var(--delta-bg-surface-muted);
  border-color: var(--delta-border);
  color: var(--delta-text-soft);
}

.board-filters-drawer__handle,
.board-filters-drawer__handle-label {
  background: var(--delta-bg-surface-muted);
  color: var(--delta-text-soft);
  border-color: var(--delta-border);
}

.shortlist-board,
.comments-list,
.embeddings-header,
.embeddings-status,
.embeddings-table,
#table-container,
.filter-card,
.briefs-list,
.briefs-detail,
.board-table,
.board-table__popover,
.pdf-beta-page {
  box-shadow: var(--delta-shadow-sm);
}

.comments-page {
  background: linear-gradient(180deg, var(--delta-bg-canvas) 0%, var(--delta-bg-canvas-alt) 100%);
}

.comment-row {
  border-bottom-color: var(--delta-border);
}

.embeddings-pill {
  border-color: var(--delta-border-strong);
}

.embeddings-page .table > :not(caption) > * > * {
  background-color: var(--delta-bg-surface);
  color: var(--delta-text-soft);
}

.embeddings-page .table > thead > tr > th {
  background-color: var(--delta-bg-surface-muted);
  color: var(--delta-text-soft);
}

.label-table tbody th,
.cards-table tbody td,
.cards-table tbody tr + tr td,
.label-table tbody td,
.label-list,
.create-label-form {
  border-color: var(--delta-border);
}

.label-table tbody th {
  background: var(--delta-bg-surface-muted);
}

.label-table tbody td,
.cards-table tbody td,
.create-label-form input[type="text"],
.google-search-button {
  background: var(--delta-bg-surface);
}

body.dark-mode .label-table thead th,
body.dark-mode .cards-table thead th {
  background: #101927;
  color: var(--delta-text-soft);
}

body.dark-mode .cards-table thead th .table-sort-button:hover,
body.dark-mode .cards-table thead th .table-sort-button:focus-visible {
  color: var(--delta-link);
}

body.dark-mode .label-pill {
  background-color: color-mix(in srgb, var(--label-color) 22%, var(--delta-bg-surface) 78%);
}

body.dark-mode .label-pill.assigned {
  color: #0f172a;
}

.pdf-beta-status[data-tone="muted"] {
  color: var(--delta-text-muted);
}

body.dark-mode .pdf-beta-page {
  box-shadow: var(--delta-shadow);
}

body.dark-mode .pdf-beta-toolbar__secure-toggle {
  background: var(--delta-bg-surface-muted);
}

body.dark-mode .pdf-beta-page__header {
  color: var(--delta-text-muted);
}

body.dark-mode .pdf-beta-redaction__label {
  background: rgba(15, 23, 42, 0.95);
}

/* Candidate processing / onboarding */
.candidate-onboarding-action,
.candidate-onboarding__call-panel,
.candidate-onboarding__brief-list,
.candidate-onboarding__shortlist-host,
.candidate-onboarding__tag-group,
.candidate-onboarding__comment-type-pill,
.candidate-onboarding__prompt-item,
.candidate-onboarding__prompt-context,
.candidate-onboarding__comment-row,
.candidate-onboarding__branding-frame,
.candidate-onboarding__dropzone,
.candidate-onboarding__comment-meta {
  background: var(--delta-bg-surface-muted);
  border-color: var(--delta-border);
  color: var(--delta-text-soft);
}

.candidate-onboarding-action__title,
.candidate-onboarding__step-title,
.candidate-onboarding__prompt-title,
.candidate-onboarding__comment-header,
.candidate-onboarding__summary-output {
  color: var(--delta-text);
}

.candidate-onboarding__brief-group-title,
.candidate-onboarding__tag-title,
.candidate-onboarding__comment-count,
.candidate-onboarding__comment-rest,
.candidate-onboarding__prompt-desc,
.candidate-onboarding__email-edit {
  color: var(--delta-text-muted);
}

.candidate-onboarding__footer {
  border-top-color: var(--delta-border);
}

.candidate-onboarding__step.is-active,
.candidate-onboarding__comment-row.is-selected,
.candidate-onboarding__prompt-item.is-selected {
  border-color: var(--delta-accent);
  background: color-mix(in srgb, var(--delta-accent) 12%, var(--delta-bg-surface-muted));
}

.candidate-onboarding__step-index {
  background: color-mix(in srgb, var(--delta-text-muted) 24%, transparent);
  color: var(--delta-text-soft);
}

.candidate-onboarding__step.is-complete .candidate-onboarding__step-index {
  color: #ffffff;
}

.candidate-onboarding__dropzone.is-dragover {
  border-color: var(--delta-accent);
  background: color-mix(in srgb, var(--delta-accent) 12%, var(--delta-bg-surface-muted));
}

.candidate-onboarding__comment-toggle {
  color: var(--delta-link);
}

.candidate-onboarding__template-buttons .is-selected {
  border-color: var(--delta-accent);
  background: color-mix(in srgb, var(--delta-accent) 10%, var(--delta-bg-surface-muted));
}

body.dark-mode .candidate-onboarding__comment-meta {
  background: color-mix(in srgb, var(--delta-bg-surface) 92%, black);
}

@media (max-width: 768px) {
  .cards-table tbody tr {
    background: var(--delta-bg-surface);
    box-shadow: var(--delta-shadow-sm);
  }

  .cards-table tbody td {
    border-bottom-color: var(--delta-border);
  }

  .cards-table tbody td::before {
    color: var(--delta-text-muted);
  }
}