/* Shared theme contract. Components, including HTMX fragments, inherit from
   the server-rendered root; there is no client-side theme reinitialization. */
:root {
  --tf-soft-bg: color-mix(in srgb, var(--tf-surface-bg) 92%, var(--tf-page-text) 8%);
  --tf-border: color-mix(in srgb, var(--tf-surface-text) 25%, var(--tf-surface-bg));
  --tf-control-border: color-mix(in srgb, var(--tf-surface-text) 55%, var(--tf-surface-bg));
  --tf-success-text: #146c43;
  --tf-warning-text: #775800;
  --tf-danger-text: #b02a37;
  --tf-info-text: #055160;
  --tf-success-bg: #d1e7dd;
  --tf-warning-bg: #fff3cd;
  --tf-danger-bg: #f8d7da;
  --tf-info-bg: #cff4fc;
  --tf-primary-soft: color-mix(in srgb, var(--tf-primary) 10%, var(--tf-surface-bg));
  --tf-success-soft: color-mix(in srgb, var(--tf-success-bg) 45%, var(--tf-surface-bg));
  --tf-warning-soft: color-mix(in srgb, var(--tf-warning-bg) 45%, var(--tf-surface-bg));
  --tf-info-soft: color-mix(in srgb, var(--tf-info-bg) 45%, var(--tf-surface-bg));
}

@media screen {
  :root[data-bs-theme] {
    --bs-body-bg: var(--tf-page-bg);
    --bs-body-bg-rgb: var(--tf-page-rgb);
    --bs-body-color: var(--tf-page-text);
    --bs-body-color-rgb: var(--tf-text-rgb);
    --bs-emphasis-color: var(--tf-surface-text);
    --bs-emphasis-color-rgb: var(--tf-text-rgb);
    --bs-secondary-color: var(--tf-muted-text);
    --bs-tertiary-color: var(--tf-muted-text);
    --bs-secondary-bg: var(--tf-soft-bg);
    --bs-tertiary-bg: var(--tf-soft-bg);
    --bs-border-color: var(--tf-border);
    --bs-border-color-translucent: var(--tf-border);
    --bs-primary: var(--tf-primary);
    --bs-primary-rgb: var(--tf-primary-rgb);
    --bs-primary-text-emphasis: var(--tf-link);
    --bs-primary-bg-subtle: var(--tf-primary-soft);
    --bs-primary-border-subtle: var(--tf-control-border);
    --bs-link-color: var(--tf-link);
    --bs-link-color-rgb: var(--tf-link-rgb);
    --bs-link-hover-color: var(--tf-link);
    --bs-link-hover-color-rgb: var(--tf-link-rgb);
  }

  :root[data-bs-theme="dark"] {
    color-scheme: dark;
    --tf-success-text: #8edbb4;
    --tf-warning-text: #ffe08a;
    --tf-danger-text: #f5a2aa;
    --tf-info-text: #81d8eb;
    --tf-success-bg: #123c32;
    --tf-warning-bg: #493912;
    --tf-danger-bg: #48232d;
    --tf-info-bg: #163b4b;
    --bs-light: var(--tf-soft-bg);
  }

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

  body .form-control::placeholder { color: var(--tf-muted-text); opacity: 1; }
  body .form-control:disabled,
  body .form-select:disabled,
  body .form-control[readonly] { background-color: var(--tf-soft-bg); }
  body .form-check-input { border-color: var(--tf-control-border); }
  body .form-check-input:checked { background-color: var(--tf-primary); border-color: var(--tf-primary); }
  [data-bs-theme="dark"] .form-check-input[type="checkbox"]:checked {
    --bs-form-check-bg-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23000' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='m6 10 3 3 6-6'/%3e%3c/svg%3e");
  }
  [data-bs-theme="dark"] .form-check-input[type="radio"]:checked {
    --bs-form-check-bg-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3ccircle r='5' cx='10' cy='10' fill='%23000'/%3e%3c/svg%3e");
  }
  [data-bs-theme="dark"] .form-switch .form-check-input:checked {
    --bs-form-switch-bg: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='%23000'/%3e%3c/svg%3e");
  }

  body .btn-primary {
    --bs-btn-color: var(--tf-on-primary);
    --bs-btn-bg: var(--tf-primary);
    --bs-btn-border-color: var(--tf-primary);
    --bs-btn-hover-color: var(--tf-on-primary);
    --bs-btn-hover-bg: var(--tf-primary);
    --bs-btn-hover-border-color: var(--tf-on-primary);
    --bs-btn-active-color: var(--tf-on-primary);
    --bs-btn-active-bg: var(--tf-primary);
    --bs-btn-active-border-color: var(--tf-on-primary);
    --bs-btn-focus-shadow-rgb: var(--tf-primary-rgb);
    --bs-btn-disabled-color: var(--tf-on-primary);
    --bs-btn-disabled-bg: var(--tf-primary);
    --bs-btn-disabled-border-color: var(--tf-primary);
    color: var(--tf-on-primary);
    background-color: var(--tf-primary);
    border-color: var(--tf-primary);
  }
  body .btn-primary:hover,
  body .btn-primary:active,
  body .btn-primary.active,
  body .btn-primary.show {
    color: var(--tf-on-primary);
    background-color: var(--tf-primary);
    border-color: var(--tf-on-primary);
    box-shadow: inset 0 0 0 1px var(--tf-on-primary);
  }

  /* Outline actions stay visually secondary while inheriting accessible theme colors. */
  body .btn-outline-primary {
    --tf-outline-color: var(--tf-link);
    --tf-outline-border: var(--tf-primary);
    --tf-outline-bg: var(--tf-primary-soft);
    --bs-btn-focus-shadow-rgb: var(--tf-primary-rgb);
  }
  body .btn-outline-secondary {
    --tf-outline-color: var(--tf-surface-text);
    --tf-outline-border: var(--tf-control-border);
    --tf-outline-bg: var(--tf-soft-bg);
  }
  body .btn-outline-success {
    --tf-outline-color: var(--tf-success-text);
    --tf-outline-border: var(--tf-success-text);
    --tf-outline-bg: var(--tf-success-soft);
  }
  body .btn-outline-warning {
    --tf-outline-color: var(--tf-warning-text);
    --tf-outline-border: var(--tf-warning-text);
    --tf-outline-bg: var(--tf-warning-soft);
  }
  body .btn-outline-danger {
    --tf-outline-color: var(--tf-danger-text);
    --tf-outline-border: var(--tf-danger-text);
    --tf-outline-bg: var(--tf-danger-soft);
  }
  body .btn-outline-info {
    --tf-outline-color: var(--tf-info-text);
    --tf-outline-border: var(--tf-info-text);
    --tf-outline-bg: var(--tf-info-soft);
  }
  body .btn-outline-dark {
    --tf-outline-color: var(--tf-surface-text);
    --tf-outline-border: var(--tf-surface-text);
    --tf-outline-bg: var(--tf-soft-bg);
  }
  body :is(
    .btn-outline-primary,
    .btn-outline-secondary,
    .btn-outline-success,
    .btn-outline-warning,
    .btn-outline-danger,
    .btn-outline-info,
    .btn-outline-dark
  ) {
    --bs-btn-color: var(--tf-outline-color);
    --bs-btn-bg: transparent;
    --bs-btn-border-color: var(--tf-outline-border);
    --bs-btn-hover-color: var(--tf-outline-color);
    --bs-btn-hover-bg: var(--tf-outline-bg);
    --bs-btn-hover-border-color: var(--tf-outline-color);
    --bs-btn-active-color: var(--tf-outline-color);
    --bs-btn-active-bg: var(--tf-outline-bg);
    --bs-btn-active-border-color: var(--tf-outline-color);
    --bs-btn-disabled-color: var(--tf-outline-color);
    --bs-btn-disabled-bg: transparent;
    --bs-btn-disabled-border-color: var(--tf-outline-border);
    color: var(--tf-outline-color);
    background-color: transparent;
    border-color: var(--tf-outline-border);
  }
  body :is(
    .btn-outline-primary,
    .btn-outline-secondary,
    .btn-outline-success,
    .btn-outline-warning,
    .btn-outline-danger,
    .btn-outline-info,
    .btn-outline-dark
  ):is(:hover, :focus, :active, .active, .show) {
    color: var(--tf-outline-color);
    background-color: var(--tf-outline-bg);
    border-color: var(--tf-outline-color);
  }
  body :is(
    .btn-outline-primary,
    .btn-outline-secondary,
    .btn-outline-success,
    .btn-outline-warning,
    .btn-outline-danger,
    .btn-outline-info,
    .btn-outline-dark
  ):is(:disabled, .disabled) {
    color: var(--tf-outline-color);
    background-color: transparent;
    border-color: var(--tf-outline-border);
    opacity: 0.5;
  }

  /* Ocean's primary buttons and badges use a deeper blue for white labels. */
  body.tf-theme-oceano .btn-primary,
  body.tf-theme-oceano .badge.bg-primary,
  body.tf-theme-oceano .badge.text-bg-primary {
    --tf-primary: #0369a1;
    --tf-primary-rgb: 3, 105, 161;
    --bs-primary-rgb: var(--tf-primary-rgb);
    --tf-on-primary: #ffffff;
  }
  /* Button radios keep the theme palette and a persistent selection marker. */
  body .btn-check:checked + :is(.btn-primary, .btn-outline-primary) {
    box-shadow: inset 0 0 0 2px currentColor;
  }
  body .btn-check:focus-visible + :is(.btn-primary, .btn-outline-primary) {
    outline: 3px solid var(--tf-link);
    outline-offset: 3px;
  }

  body :is(a, button, input, select, textarea, [tabindex]):focus-visible {
    outline: 3px solid var(--tf-link);
    outline-offset: 3px;
  }
  /* Highlight the existing border without an outer focus ring or glow. */
  body .tf-login-page .form-control:focus {
    border-color: var(--tf-link);
    box-shadow: none;
    outline: none;
  }
  @media (forced-colors: active) {
    body .tf-login-page .form-control:focus { border-color: Highlight; }
  }
  body .navbar :is(a, button, input):focus-visible { outline-color: var(--tf-nav-txt); }
  body .navbar .btn-outline-light {
    --bs-btn-color: var(--tf-nav-txt);
    --bs-btn-border-color: var(--tf-nav-txt);
    --bs-btn-hover-color: var(--tf-nav-bg);
    --bs-btn-hover-bg: var(--tf-nav-txt);
  }
  body .text-primary { color: var(--tf-link) !important; }
  body .text-muted, body .text-secondary, body .form-text { color: var(--tf-muted-text) !important; }
  body .text-success { color: var(--tf-success-text) !important; }
  body .text-warning { color: var(--tf-warning-text) !important; }
  body .text-danger { color: var(--tf-danger-text) !important; }
  body .text-info { color: var(--tf-info-text) !important; }
  body .bg-primary, body .text-bg-primary { color: var(--tf-on-primary) !important; }

  body .table {
    --bs-table-color: var(--tf-surface-text);
    --bs-table-bg: var(--tf-surface-bg);
    --bs-table-striped-bg: var(--tf-soft-bg);
    --bs-table-striped-color: var(--tf-surface-text);
    --bs-table-hover-bg: var(--tf-primary-soft);
    --bs-table-hover-color: var(--tf-surface-text);
    --bs-table-active-bg: var(--tf-soft-bg);
    --bs-table-active-color: var(--tf-surface-text);
    --bs-table-border-color: var(--tf-border);
  }
  /* Bootstrap variants set local colors on tables, row groups, rows or cells.
     Override their state colors too, preserving each variant's background. */
  body :is(.table-light, .table-secondary, .table-success, .table-warning, .table-danger, .table-info) {
    --bs-table-color: var(--tf-surface-text);
    --bs-table-border-color: var(--tf-border);
    --bs-table-striped-color: var(--tf-surface-text);
    --bs-table-striped-bg: color-mix(in srgb, var(--bs-table-bg) 95%, var(--tf-surface-text));
    --bs-table-hover-color: var(--tf-surface-text);
    --bs-table-hover-bg: color-mix(in srgb, var(--bs-table-bg) 92.5%, var(--tf-surface-text));
    --bs-table-active-color: var(--tf-surface-text);
    --bs-table-active-bg: color-mix(in srgb, var(--bs-table-bg) 90%, var(--tf-surface-text));
  }
  body .table-light, body .table-secondary { --bs-table-bg: var(--tf-soft-bg); }
  body .table-success { --bs-table-bg: var(--tf-success-bg); }
  body .table-warning { --bs-table-bg: var(--tf-warning-bg); }
  body .table-danger { --bs-table-bg: var(--tf-danger-bg); }
  body .table-info { --bs-table-bg: var(--tf-info-bg); }

  body .dropdown-menu {
    --bs-dropdown-bg: var(--tf-surface-bg);
    --bs-dropdown-color: var(--tf-surface-text);
    --bs-dropdown-link-color: var(--tf-surface-text);
    --bs-dropdown-link-hover-color: var(--tf-surface-text);
    --bs-dropdown-link-hover-bg: var(--tf-soft-bg);
    --bs-dropdown-link-active-bg: var(--tf-primary);
    --bs-dropdown-link-active-color: var(--tf-on-primary);
    --bs-dropdown-link-disabled-color: var(--tf-muted-text);
  }
  body .list-group {
    --bs-list-group-color: var(--tf-surface-text);
    --bs-list-group-bg: var(--tf-surface-bg);
    --bs-list-group-action-color: var(--tf-surface-text);
    --bs-list-group-action-hover-color: var(--tf-surface-text);
    --bs-list-group-action-hover-bg: var(--tf-soft-bg);
    --bs-list-group-active-bg: var(--tf-primary);
    --bs-list-group-active-color: var(--tf-on-primary);
    --bs-list-group-action-active-color: var(--tf-surface-text);
    --bs-list-group-action-active-bg: var(--tf-soft-bg);
  }
  body .accordion {
    --bs-accordion-bg: var(--tf-surface-bg);
    --bs-accordion-active-bg: var(--tf-primary-soft);
    --bs-accordion-active-color: var(--tf-link);
  }
  body .page-link { background-color: var(--tf-surface-bg); }
  body .active > .page-link { background-color: var(--tf-primary); color: var(--tf-on-primary); }
  body .popover { --bs-popover-bg: var(--tf-surface-bg); --bs-popover-body-color: var(--tf-surface-text); }

  [data-bs-theme="dark"] .bg-white,
  [data-bs-theme="dark"] .bg-light,
  [data-bs-theme="dark"] .text-bg-light,
  [data-bs-theme="dark"] .btn-light,
  [data-bs-theme="dark"] .btn-outline-light:not(.navbar *) {
    background-color: var(--tf-soft-bg) !important;
    color: var(--tf-surface-text) !important;
    border-color: var(--tf-border);
  }
  [data-bs-theme="dark"] .text-dark,
  [data-bs-theme="dark"] .text-black { color: var(--tf-surface-text) !important; }
  /* Fixed bright semantic badges intentionally retain a dark foreground. */
  [data-bs-theme="dark"] :is(.bg-warning, .bg-info, .bg-success, .bg-danger, .bg-primary) .text-dark,
  [data-bs-theme="dark"] :is(.bg-warning, .bg-info).text-dark { color: #212529 !important; }
  [data-bs-theme="dark"] .alert .text-muted { color: inherit !important; }
}

.tf-appearance-layout {
  display: grid;
  grid-template-columns: minmax(16rem, 0.85fr) minmax(0, 1.65fr);
  gap: 1rem;
  align-items: start;
}
.tf-appearance-layout > * { min-width: 0; }
.tf-appearance-note {
  padding: 0.85rem 1rem;
  background: var(--tf-primary-soft);
  border-inline-start: 3px solid var(--tf-primary);
  border-radius: 0.65rem;
  color: var(--tf-surface-text);
}
.tf-appearance-footer { background: var(--tf-surface-bg); }
.tf-appearance-reset {
  padding: 1rem;
  border: 1px solid var(--tf-border);
  border-radius: 1rem;
  background: var(--tf-surface-bg);
}
.tf-appearance-reset summary { cursor: pointer; font-weight: 600; }
.tf-theme-selector--compact { padding: 0; border: 0; background: none; }
.tf-theme-selector--compact .tf-theme-pill-group {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
}
.tf-theme-selector--compact .tf-theme-pill {
  flex-wrap: wrap;
  gap: 0.5rem;
  border-radius: 0.8rem;
  padding: 0.65rem;
}
.tf-theme-pill:focus-within { outline: 3px solid var(--tf-link); outline-offset: 3px; }

/* Samples own every foreground and surface: the user's current theme must
   never leak into the theme being previewed. No real form controls/actions. */
.tf-appearance-preview {
  --tf-preview-border: color-mix(in srgb, var(--tf-branding-preview-text) 22%, var(--tf-branding-preview-surface-bg));
  color: var(--tf-branding-preview-text);
}
.tf-appearance-preview .tf-branding-preview__frame {
  border-color: var(--tf-preview-border);
  border-radius: 1rem;
  background: var(--tf-branding-preview-page-bg);
  box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.08);
}
.tf-appearance-preview .tf-branding-preview__body {
  padding: 1.15rem;
  color: var(--tf-branding-preview-page-text);
}
.tf-appearance-preview .tf-branding-preview__navbar { padding: 0.9rem 1.1rem; }
.tf-appearance-preview .tf-branding-preview__brand { min-width: 0; overflow-wrap: anywhere; }
.tf-appearance-preview .tf-branding-preview__title { font-size: 1.2rem; line-height: 1.3; margin: 0; }
.tf-appearance-preview__heading {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 1rem;
}
.tf-appearance-preview__eyebrow { font-size: 0.75rem; color: var(--tf-branding-preview-muted); margin-bottom: 0.2rem; }
.tf-appearance-preview__button { display: inline-flex; gap: 0.4rem; align-items: center; padding: 0.55rem 0.7rem; border-radius: 0.5rem; font-size: 0.8rem; box-shadow: none; }
.tf-appearance-preview__metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.7rem; margin-bottom: 0.8rem; }
.tf-appearance-preview .tf-branding-preview__stat {
  display: grid;
  gap: 0.15rem;
  background: var(--tf-branding-preview-surface-bg);
  color: var(--tf-branding-preview-text);
  border-color: var(--tf-preview-border);
  border-radius: 0.7rem;
}
.tf-appearance-preview .tf-branding-preview__stat strong { font-size: 1.4rem; }
.tf-appearance-preview__muted { color: var(--tf-branding-preview-muted); font-size: 0.8rem; }
.tf-appearance-preview__panel { padding: 0.85rem; background: var(--tf-branding-preview-surface-bg); color: var(--tf-branding-preview-text); border: 1px solid var(--tf-preview-border); border-radius: 0.7rem; }
.tf-appearance-preview__panel-title { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.4rem; font-size: 0.85rem; padding-bottom: 0.65rem; }
.tf-appearance-preview__row { display: grid; grid-template-columns: auto 1fr auto; gap: 0.7rem; align-items: center; padding: 0.65rem 0; font-size: 0.8rem; border-top: 1px solid var(--tf-preview-border); }
.tf-appearance-preview .tf-branding-preview__list-pill { padding: 0.25rem 0.45rem; border-radius: 0.4rem; font-size: 0.72rem; }
.tf-appearance-preview__footnote { margin: 0.8rem 0 0; color: var(--tf-branding-preview-muted); font-size: 0.72rem; }
@media (max-width: 991.98px) {
  .tf-appearance-layout { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 575.98px) {
  .tf-theme-selector--compact .tf-theme-pill-group { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tf-appearance-preview .tf-branding-preview__body { padding: 0.8rem; }
  .tf-appearance-preview__row { grid-template-columns: auto 1fr; }
  .tf-appearance-preview__row > :last-child { grid-column: 2; justify-self: start; }
}

/* Operational print templates stay on paper colors, including browser print. */
@media print {
  :root, body {
    color-scheme: light;
    --tf-page-bg: #fff !important;
    --tf-surface-bg: #fff !important;
    --tf-soft-bg: #f1f3f5 !important;
    --tf-page-text: #212529 !important;
    --tf-surface-text: #212529 !important;
    --tf-muted-text: #495057 !important;
    --tf-link: #084298 !important;
    --bs-body-bg: #fff !important;
    --bs-body-color: #212529 !important;
    --bs-secondary-color: #495057 !important;
    --bs-emphasis-color: #212529 !important;
    --bs-border-color: #adb5bd !important;
  }
  body, .card, .modal-content, .table { color: #212529 !important; background: #fff !important; }
  .table { --bs-table-color: #212529; --bs-table-bg: #fff; --bs-table-striped-bg: #f1f3f5; }
}