/*
  FlowSentry v3 — global primitives. Pages and FlowSentry.UiKit components render these classes; page .razor.css keeps
  only page-specific layout. Legacy v2 class names are kept as aliases (marked "legacy") so existing markup and the
  class-based test selectors keep working while pages migrate.
*/

/* Layout helpers */
.fs-page {
  display: flex;
  flex-direction: column;
  gap: var(--fs-space-5);
  min-width: 0;
}

.fs-stack {
  display: flex;
  flex-direction: column;
  gap: var(--fs-stack-gap, var(--fs-space-4));
  min-width: 0;
}

.fs-stack--sm { --fs-stack-gap: var(--fs-space-2); }
.fs-stack--lg { --fs-stack-gap: var(--fs-space-5); }

.fs-cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--fs-cluster-gap, var(--fs-space-2));
  min-width: 0;
}

.fs-cluster--end { justify-content: flex-end; }
.fs-cluster--between { justify-content: space-between; }
.fs-spacer { flex: 1 1 auto; }

.fs-grid-2,
.fs-grid-3,
.fs-grid-4 {
  display: grid;
  gap: var(--fs-grid-gap, var(--fs-space-5));
  min-width: 0;
}

.fs-grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); }
.fs-grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.fs-grid-4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }

.fs-grid-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 380px);
  gap: var(--fs-space-5);
  align-items: start;
}

@media (max-width: 1100px) {
  .fs-grid-main { grid-template-columns: minmax(0, 1fr); }
}

/* Legacy vertical rhythm between stacked sections (pages not yet on .fs-page). */
:where(.fs-cards, .fs-panel, .fs-grid-2, .fs-kpi-strip, .fs-callout) + :where(.fs-panel, .fs-grid-2) {
  margin-top: var(--fs-space-5);
}

:where(.fs-page, .fs-stack, .fs-grid-2, .fs-grid-3, .fs-grid-4, .fs-grid-main) > * { margin-top: 0; }
.fs-grid--stretch { align-items: stretch; }

.fs-divider {
  height: 1px;
  margin: var(--fs-space-4) 0;
  border: 0;
  background: var(--fs-color-border);
}

.fs-divider--vertical {
  width: 1px;
  height: auto;
  align-self: stretch;
  margin: 0;
}

.fs-meta {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--fs-space-1) var(--fs-space-2);
  color: var(--fs-color-text-tertiary);
  font-size: var(--fs-text-sm);
}

.fs-meta > * + *::before {
  content: "";
  display: inline-block;
  width: 3px;
  height: 3px;
  margin-right: var(--fs-space-2);
  border-radius: 50%;
  background: currentColor;
  opacity: 0.6;
  vertical-align: middle;
}

.fs-muted { color: var(--fs-color-text-secondary); }
.fs-subtle { color: var(--fs-color-text-tertiary); }
.fs-text-sm { font-size: var(--fs-text-sm); }
.fs-text-xs { font-size: var(--fs-text-xs); }
.fs-truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }

/* Page header (UiKit PageHeader) + legacy fs-page-head */
.fs-page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--fs-space-4) var(--fs-space-5);
  margin-bottom: var(--fs-space-5);
}

.fs-page .fs-page-header { margin-bottom: 0; }

.fs-page-header__main {
  display: flex;
  flex: 1 1 28rem;
  flex-direction: column;
  gap: var(--fs-space-1);
  min-width: 0;
}

.fs-page-header__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--fs-space-2);
  color: var(--fs-color-text-tertiary);
  font-size: var(--fs-text-xs);
  font-weight: var(--fs-weight-medium);
  letter-spacing: var(--fs-tracking-caps);
  text-transform: uppercase;
}

.fs-page-header__title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--fs-space-2) var(--fs-space-3);
  min-width: 0;
}

.fs-page-header__icon {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: var(--fs-radius-md);
  background: var(--fs-color-accent-soft);
  color: var(--fs-color-accent-text);
}

.fs-page-header__icon i { font-size: 20px; }

.fs-page-header h1,
.fs-page-head h1 {
  margin: 0;
  font-size: var(--fs-text-2xl);
  line-height: var(--fs-leading-2xl);
  font-weight: var(--fs-weight-semibold);
  letter-spacing: var(--fs-tracking-tighter);
}

.fs-page-header__subtitle {
  max-width: 78ch;
  margin: 0;
  color: var(--fs-color-text-secondary);
  font-size: var(--fs-text-base);
}

.fs-page-header__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--fs-space-2);
  margin-top: var(--fs-space-2);
}

.fs-page-header__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--fs-space-2);
}

.fs-page-header__tabs {
  flex: 1 0 100%;
  margin-top: var(--fs-space-1);
}

.fs-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--fs-space-1);
  margin: 0 0 var(--fs-space-1);
  padding: 0;
  list-style: none;
  font-size: var(--fs-text-sm);
  color: var(--fs-color-text-tertiary);
}

.fs-breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: var(--fs-space-1);
  min-width: 0;
}

.fs-breadcrumbs li + li::before {
  content: "/";
  color: var(--fs-color-border-strong);
  margin-right: var(--fs-space-1);
}

.fs-breadcrumbs a {
  color: var(--fs-color-text-tertiary);
}

.fs-breadcrumbs a:hover {
  color: var(--fs-color-text-primary);
  text-decoration: none;
}

.fs-breadcrumbs [aria-current="page"] {
  color: var(--fs-color-text-secondary);
  font-weight: var(--fs-weight-medium);
}

/* legacy */
.fs-page-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--fs-space-3) var(--fs-space-5);
  margin-bottom: var(--fs-space-5);
}

.fs-page-head > div:first-child { min-width: 0; flex: 1 1 24rem; }

.fs-page-head > :not(:first-child) {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--fs-space-2);
}

.fs-page-sub {
  margin: var(--fs-space-1) 0 0;
  color: var(--fs-color-text-secondary);
  font-size: var(--fs-text-base);
}

.fs-page-head .fs-page-sub { max-width: 78ch; }

/* Buttons */
.fs-btn,
.fs-btn-primary,
.fs-btn-secondary {
  --fs-btn-h: var(--fs-control-h);
  --fs-btn-px: 14px;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--fs-space-2);
  width: auto;
  height: var(--fs-btn-h);
  min-height: var(--fs-btn-h);
  padding: 0 var(--fs-btn-px);
  border: 1px solid transparent;
  border-radius: var(--fs-radius-sm);
  font-family: var(--fs-font-sans);
  font-size: var(--fs-text-base);
  font-weight: var(--fs-weight-medium);
  line-height: 1;
  letter-spacing: -0.006em;
  white-space: nowrap;
  text-decoration: none;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition:
    background-color var(--fs-transition),
    border-color var(--fs-transition),
    color var(--fs-transition),
    box-shadow var(--fs-transition),
    transform var(--fs-transition);
}

.fs-btn:hover,
.fs-btn-primary:hover,
.fs-btn-secondary:hover {
  text-decoration: none;
}

.fs-btn:active:not(:disabled),
.fs-btn-primary:active:not(:disabled),
.fs-btn-secondary:active:not(:disabled) {
  transform: translateY(0.5px) scale(0.985);
}

.fs-btn:focus-visible,
.fs-btn-primary:focus-visible,
.fs-btn-secondary:focus-visible {
  outline: 2px solid var(--fs-color-focus);
  outline-offset: 2px;
}

.fs-btn:disabled,
.fs-btn-primary:disabled,
.fs-btn-secondary:disabled,
.fs-btn[aria-disabled="true"] {
  opacity: 0.48;
  cursor: not-allowed;
  box-shadow: none;
}

.fs-btn i.rzi,
.fs-btn-primary i.rzi,
.fs-btn-secondary i.rzi,
.fs-btn .rz-icon {
  font-size: 18px;
  line-height: 1;
}

/* Primary: the one accent-filled action per view. */
.fs-btn--primary,
.fs-btn-primary {
  background: var(--fs-color-accent-solid);
  color: var(--fs-color-on-accent);
  box-shadow: 0 1px 2px rgba(31, 21, 120, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.fs-btn--primary:hover:not(:disabled),
.fs-btn-primary:hover:not(:disabled) {
  background: var(--fs-color-accent-solid-hover);
  color: var(--fs-color-on-accent);
}

/* Secondary: bordered surface button for everything else. */
.fs-btn--secondary,
.fs-btn-secondary {
  background: var(--fs-color-surface);
  border-color: var(--fs-color-border-input);
  color: var(--fs-color-text-primary);
  box-shadow: var(--fs-shadow-xs);
}

.fs-btn--secondary:hover:not(:disabled),
.fs-btn-secondary:hover:not(:disabled) {
  background: var(--fs-color-surface-hover);
  border-color: var(--fs-color-border-strong);
  color: var(--fs-color-text-primary);
}

.fs-btn--ghost {
  background: transparent;
  color: var(--fs-color-text-secondary);
}

.fs-btn--ghost:hover:not(:disabled) {
  background: var(--fs-color-surface-hover);
  color: var(--fs-color-text-primary);
}

.fs-btn--subtle {
  background: var(--fs-color-accent-soft);
  color: var(--fs-color-accent-text);
}

.fs-btn--subtle:hover:not(:disabled) {
  background: var(--fs-color-accent-soft-hover);
  color: var(--fs-color-accent-text);
}

.fs-btn--danger {
  background: var(--fs-color-danger-solid);
  color: #ffffff;
  box-shadow: 0 1px 2px rgba(120, 20, 12, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.fs-btn--danger:hover:not(:disabled) {
  background: #b42318;
  color: #ffffff;
}

.fs-btn--danger-outline {
  background: var(--fs-color-surface);
  border-color: var(--fs-color-danger-border);
  color: var(--fs-color-danger-fg);
}

.fs-btn--danger-outline:hover:not(:disabled) {
  background: var(--fs-color-danger-bg);
  color: var(--fs-color-danger-fg);
}

.fs-btn--link {
  height: auto;
  min-height: 0;
  padding: 0;
  background: none;
  color: var(--fs-color-text-link);
  font-weight: var(--fs-weight-medium);
}

.fs-btn--link:hover:not(:disabled) {
  color: var(--fs-color-accent-hover);
  text-decoration: underline;
}

.fs-btn--sm { --fs-btn-h: var(--fs-control-h-sm); --fs-btn-px: 10px; font-size: var(--fs-text-sm); gap: 6px; }
.fs-btn--sm i.rzi { font-size: 16px; }
.fs-btn--md { --fs-btn-h: var(--fs-control-h); --fs-btn-px: 14px; }
.fs-btn--lg { --fs-btn-h: var(--fs-control-h-lg); --fs-btn-px: 18px; }

.fs-btn--icon { --fs-btn-px: 0; width: var(--fs-btn-h); }

.fs-btn-block,
.fs-btn--block {
  display: flex;
  width: 100%;
}

/* legacy: inline sizing is now the default */
.fs-btn-inline { width: auto; }

.fs-btn.is-loading,
.fs-btn-primary.is-loading,
.fs-btn-secondary.is-loading {
  color: transparent !important;
  pointer-events: none;
}

.fs-btn.is-loading::after,
.fs-btn-primary.is-loading::after,
.fs-btn-secondary.is-loading::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-color: var(--fs-color-on-accent) transparent var(--fs-color-on-accent) transparent;
  border-radius: 50%;
  animation: fs-spin 0.7s linear infinite;
}

.fs-btn--secondary.is-loading::after,
.fs-btn-secondary.is-loading::after,
.fs-btn--ghost.is-loading::after {
  border-color: var(--fs-color-text-secondary) transparent var(--fs-color-text-secondary) transparent;
}

@keyframes fs-spin {
  to { transform: rotate(360deg); }
}

.fs-btn-group {
  display: inline-flex;
  align-items: center;
  gap: var(--fs-space-2);
  flex-wrap: wrap;
}

/* Icon-only quiet button (toolbars, rows, shell). */
.fs-icon-btn {
  position: relative;
  display: inline-grid;
  place-items: center;
  flex: none;
  width: var(--fs-control-h);
  height: var(--fs-control-h);
  padding: 0;
  border: 1px solid transparent;
  border-radius: var(--fs-radius-sm);
  background: transparent;
  color: var(--fs-color-text-secondary);
  cursor: pointer;
  transition: background-color var(--fs-transition), color var(--fs-transition);
}

.fs-icon-btn:hover {
  background: var(--fs-color-surface-hover);
  color: var(--fs-color-text-primary);
  text-decoration: none;
}

.fs-icon-btn[aria-expanded="true"],
.fs-icon-btn[aria-pressed="true"] {
  background: var(--fs-color-accent-soft);
  color: var(--fs-color-accent-text);
}

.fs-icon-btn i.rzi { font-size: 20px; }
.fs-icon-btn--sm { width: var(--fs-control-h-sm); height: var(--fs-control-h-sm); }
.fs-icon-btn--sm i.rzi { font-size: 18px; }

/* Fields */
.fs-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--fs-space-4);
  min-width: 0;
}

.fs-form-grid .fs-field,
.fs-field:last-child { margin-bottom: 0; }

.fs-field > label,
.fs-label {
  display: block;
  margin: 0;
  color: var(--fs-color-text-primary);
  font-size: var(--fs-text-sm);
  font-weight: var(--fs-weight-medium);
  line-height: var(--fs-leading-sm);
}

.fs-label__opt {
  color: var(--fs-color-text-tertiary);
  font-weight: var(--fs-weight-regular);
}

.fs-help {
  margin: 0;
  color: var(--fs-color-text-tertiary);
  font-size: var(--fs-text-xs);
  line-height: var(--fs-leading-xs);
}

.fs-error-text {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  color: var(--fs-color-danger-fg);
  font-size: var(--fs-text-xs);
  font-weight: var(--fs-weight-medium);
}

.fs-input,
.fs-select,
.fs-textarea {
  display: block;
  width: 100%;
  height: var(--fs-control-h);
  min-height: var(--fs-control-h);
  padding: 0 var(--fs-space-3);
  border: 1px solid var(--fs-color-border-input);
  border-radius: var(--fs-radius-sm);
  background-color: var(--fs-color-surface);
  color: var(--fs-color-text-primary);
  font-family: var(--fs-font-sans);
  font-size: var(--fs-text-base);
  line-height: var(--fs-leading-base);
  box-shadow: var(--fs-shadow-xs);
  transition: border-color var(--fs-transition), box-shadow var(--fs-transition);
}

.fs-input.fs-mono { font-family: var(--fs-font-mono); font-size: var(--fs-text-base); letter-spacing: 0.02em; }

textarea.fs-input,
.fs-textarea {
  height: auto;
  min-height: 88px;
  padding: var(--fs-space-2) var(--fs-space-3);
  resize: vertical;
}

select.fs-input,
.fs-select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 2rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23878f9e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m7 10 5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.6rem center;
  background-size: 16px;
}

.fs-input:hover:not(:disabled, :focus),
.fs-select:hover:not(:disabled, :focus),
.fs-textarea:hover:not(:disabled, :focus) {
  border-color: var(--fs-color-border-strong);
}

.fs-input:focus,
.fs-select:focus,
.fs-textarea:focus {
  outline: none;
  border-color: var(--fs-color-accent);
  box-shadow: var(--fs-focus-ring);
}

.fs-input:disabled,
.fs-select:disabled,
.fs-textarea:disabled {
  background-color: var(--fs-color-surface-sunken);
  color: var(--fs-color-text-disabled);
  box-shadow: none;
  cursor: not-allowed;
}

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

.fs-input--sm { height: var(--fs-control-h-sm); min-height: var(--fs-control-h-sm); font-size: var(--fs-text-sm); }
.fs-input--lg { height: var(--fs-control-h-lg); min-height: var(--fs-control-h-lg); }

.fs-input-group {
  display: flex;
  align-items: stretch;
  width: 100%;
  min-width: 0;
}

.fs-input-group > .fs-input,
.fs-input-group > .fs-select { flex: 1 1 auto; min-width: 0; border-radius: 0; }
.fs-input-group > :first-child { border-top-left-radius: var(--fs-radius-sm); border-bottom-left-radius: var(--fs-radius-sm); }
.fs-input-group > :last-child { border-top-right-radius: var(--fs-radius-sm); border-bottom-right-radius: var(--fs-radius-sm); }
.fs-input-group > * + * { margin-left: -1px; }
.fs-input-group > .fs-btn,
.fs-input-group > .fs-btn-secondary,
.fs-input-group > .fs-btn-primary { border-radius: 0; }
.fs-input-group > .fs-input:focus { position: relative; z-index: 1; }

.fs-input-addon {
  display: inline-flex;
  align-items: center;
  padding: 0 var(--fs-space-3);
  border: 1px solid var(--fs-color-border-input);
  background: var(--fs-color-surface-sunken);
  color: var(--fs-color-text-tertiary);
  font-size: var(--fs-text-sm);
  white-space: nowrap;
}

.fs-input-icon {
  position: relative;
  display: block;
}

.fs-input-icon > i.rzi {
  position: absolute;
  top: 50%;
  left: 10px;
  transform: translateY(-50%);
  color: var(--fs-color-text-tertiary);
  font-size: 18px;
  pointer-events: none;
}

.fs-input-icon > .fs-input { padding-left: 34px; }

.fs-check {
  display: inline-flex;
  align-items: center;
  gap: var(--fs-space-2);
  color: var(--fs-color-text-primary);
  font-size: var(--fs-text-base);
  cursor: pointer;
}

.fs-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, var(--fs-form-col, 240px)), 1fr));
  gap: var(--fs-space-4) var(--fs-space-5);
  align-items: start;
}

.fs-form-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.fs-form-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.fs-form-grid > .fs-span-all { grid-column: 1 / -1; }

@media (max-width: 720px) {
  .fs-form-grid--2,
  .fs-form-grid--3 { grid-template-columns: minmax(0, 1fr); }
}

.fs-form-section {
  display: grid;
  grid-template-columns: minmax(200px, 280px) minmax(0, 1fr);
  gap: var(--fs-space-5);
  padding: var(--fs-space-5) 0;
  border-top: 1px solid var(--fs-color-border);
}

.fs-form-section:first-child { border-top: 0; padding-top: 0; }
.fs-form-section__title { margin: 0 0 var(--fs-space-1); font-size: var(--fs-text-base); font-weight: var(--fs-weight-semibold); }
.fs-form-section__text { margin: 0; color: var(--fs-color-text-tertiary); font-size: var(--fs-text-sm); }

@media (max-width: 900px) {
  .fs-form-section { grid-template-columns: minmax(0, 1fr); gap: var(--fs-space-3); }
}

.fs-form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: var(--fs-space-2);
  margin-top: var(--fs-space-5);
  padding-top: var(--fs-space-4);
  border-top: 1px solid var(--fs-color-border);
}

/* Panels & cards */
.fs-panel {
  position: relative;
  min-width: 0;
  padding: var(--fs-space-5);
  background: var(--fs-color-surface);
  border: 1px solid var(--fs-color-border);
  border-radius: var(--fs-radius-lg);
  box-shadow: var(--fs-shadow-xs);
}

.fs-panel--flush { padding: 0; overflow: hidden; }
.fs-panel--flush > .fs-panel__head { padding: var(--fs-space-4) var(--fs-space-5); margin: 0; border-bottom: 1px solid var(--fs-color-border); }
.fs-panel--sunken { background: var(--fs-color-surface-sunken); box-shadow: none; }
.fs-panel--accent { border-color: var(--fs-color-accent-border); box-shadow: 0 0 0 3px var(--fs-color-accent-soft); }

.fs-panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--fs-space-2) var(--fs-space-3);
  margin-bottom: var(--fs-space-4);
  min-width: 0;
}

.fs-panel__heading {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.fs-panel__title {
  margin: 0;
  color: var(--fs-color-text-primary);
  font-size: var(--fs-text-md);
  line-height: var(--fs-leading-md);
  font-weight: var(--fs-weight-semibold);
  letter-spacing: var(--fs-tracking-tight);
}

.fs-panel__sub {
  color: var(--fs-color-text-tertiary);
  font-size: var(--fs-text-sm);
}

a.fs-panel__sub { color: var(--fs-color-text-link); font-weight: var(--fs-weight-medium); }

.fs-panel__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--fs-space-2);
}

.fs-panel__body { min-width: 0; }

.fs-panel__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: var(--fs-space-2);
  margin: var(--fs-space-5) calc(-1 * var(--fs-space-5)) calc(-1 * var(--fs-space-5));
  padding: var(--fs-space-3) var(--fs-space-5);
  border-top: 1px solid var(--fs-color-border);
  border-radius: 0 0 var(--fs-radius-lg) var(--fs-radius-lg);
  background: var(--fs-color-surface-sunken);
}

details.fs-panel > summary {
  list-style: none;
  cursor: pointer;
}

details.fs-panel > summary::-webkit-details-marker { display: none; }

details.fs-panel > summary::after {
  content: "";
  width: 8px;
  height: 8px;
  margin-left: auto;
  border-right: 2px solid var(--fs-color-text-tertiary);
  border-bottom: 2px solid var(--fs-color-text-tertiary);
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--fs-transition-med);
}

details.fs-panel[open] > summary::after { transform: rotate(225deg) translateY(-2px); }
details.fs-panel:not([open]) > summary { margin-bottom: 0; }

.fs-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr));
  gap: var(--fs-space-4);
}

.fs-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--fs-space-1);
  min-width: 0;
  padding: var(--fs-space-4) var(--fs-space-5);
  background: var(--fs-color-surface);
  border: 1px solid var(--fs-color-border);
  border-radius: var(--fs-radius-lg);
  box-shadow: var(--fs-shadow-xs);
  transition: box-shadow var(--fs-transition-med), border-color var(--fs-transition-med), transform var(--fs-transition-med);
}

.fs-card--link {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}

.fs-card--link:hover {
  color: inherit;
  text-decoration: none;
  border-color: var(--fs-color-accent-border);
  box-shadow: var(--fs-shadow-md);
  transform: translateY(-1px);
}

.fs-card--link .fs-card__label {
  display: flex;
  align-items: center;
  gap: var(--fs-space-2);
  color: var(--fs-color-text-primary);
  font-size: var(--fs-text-md);
  font-weight: var(--fs-weight-semibold);
}

.fs-card--link .fs-card__label i { color: var(--fs-color-accent); font-size: 20px; }

.fs-card__label {
  color: var(--fs-color-text-secondary);
  font-size: var(--fs-text-sm);
  font-weight: var(--fs-weight-medium);
}

.fs-card__value {
  color: var(--fs-color-text-primary);
  font-size: var(--fs-text-3xl);
  line-height: var(--fs-leading-3xl);
  font-weight: var(--fs-weight-semibold);
  letter-spacing: -0.025em;
  font-variant-numeric: tabular-nums;
}

.fs-card__value.fs-figure { font-family: var(--fs-font-sans); }

.fs-card__hint {
  color: var(--fs-color-text-tertiary);
  font-size: var(--fs-text-xs);
}

.fs-chart {
  width: 100%;
  height: 300px;
}

/* KPI tiles (UiKit KpiTile / KpiStrip) */
.fs-kpi-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, var(--fs-kpi-min, 200px)), 1fr));
  gap: 1px;
  overflow: hidden;
  background: var(--fs-color-border);
  border: 1px solid var(--fs-color-border);
  border-radius: var(--fs-radius-lg);
  box-shadow: var(--fs-shadow-xs);
}

.fs-kpi-strip--cards {
  gap: var(--fs-space-4);
  overflow: visible;
  background: none;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.fs-kpi {
  --t-fg: var(--fs-color-accent-text);
  --t-bg: var(--fs-color-accent-soft);
  --t-dot: var(--fs-color-accent);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--fs-space-2);
  min-width: 0;
  padding: var(--fs-space-4) var(--fs-space-5);
  background: var(--fs-color-surface);
  color: inherit;
  text-decoration: none;
  text-align: left;
  border: 0;
  font: inherit;
}

.fs-kpi-strip--cards .fs-kpi,
.fs-kpi--card {
  border: 1px solid var(--fs-color-border);
  border-radius: var(--fs-radius-lg);
  box-shadow: var(--fs-shadow-xs);
}

a.fs-kpi,
button.fs-kpi {
  cursor: pointer;
  transition: background-color var(--fs-transition);
}

a.fs-kpi:hover,
button.fs-kpi:hover {
  background: var(--fs-color-surface-hover);
  color: inherit;
  text-decoration: none;
}

a.fs-kpi:focus-visible,
button.fs-kpi:focus-visible {
  outline-offset: -3px;
}

.fs-kpi__head {
  display: flex;
  align-items: center;
  gap: var(--fs-space-2);
  min-width: 0;
  color: var(--fs-color-text-secondary);
  font-size: var(--fs-text-sm);
  font-weight: var(--fs-weight-medium);
}

.fs-kpi__icon {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: var(--fs-radius-xs);
  background: var(--t-bg, var(--fs-color-accent-soft));
  color: var(--t-fg, var(--fs-color-accent-text));
}

.fs-kpi__icon i.rzi { font-size: 15px; }

.fs-kpi__label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.fs-kpi__row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--fs-space-3);
  min-width: 0;
}

.fs-kpi__value {
  display: flex;
  align-items: baseline;
  gap: var(--fs-space-1);
  margin: 0;
  color: var(--fs-color-text-primary);
  font-size: var(--fs-text-3xl);
  line-height: 1.1;
  font-weight: var(--fs-weight-semibold);
  letter-spacing: -0.028em;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum", "cv11";
  white-space: nowrap;
}

.fs-kpi__unit {
  color: var(--fs-color-text-tertiary);
  font-size: var(--fs-text-sm);
  font-weight: var(--fs-weight-medium);
  letter-spacing: 0;
}

.fs-kpi__spark { flex: none; color: var(--fs-color-accent); }

.fs-kpi__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--fs-space-2);
  min-height: 20px;
  color: var(--fs-color-text-tertiary);
  font-size: var(--fs-text-xs);
}

.fs-delta {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  height: 20px;
  padding: 0 6px;
  border-radius: var(--fs-radius-xs);
  font-size: var(--fs-text-xs);
  font-weight: var(--fs-weight-semibold);
  font-variant-numeric: tabular-nums;
  background: var(--fs-color-surface-sunken);
  color: var(--fs-color-text-secondary);
}

.fs-delta--success { background: var(--fs-color-success-bg); color: var(--fs-color-success-fg); }
.fs-delta--danger { background: var(--fs-color-danger-bg); color: var(--fs-color-danger-fg); }
.fs-delta--warning { background: var(--fs-color-warning-bg); color: var(--fs-color-warning-fg); }


.fs-sparkline { display: block; overflow: visible; color: var(--t-dot, var(--fs-color-accent)); }
.fs-sparkline__line { fill: none; stroke: currentColor; stroke-width: var(--fs-spark-stroke, 1.75); stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.fs-sparkline__area { fill: currentColor; opacity: 0.12; stroke: none; }
.fs-sparkline__dot { fill: currentColor; stroke: var(--fs-color-surface); stroke-width: 1.5; }

/* Badges, tags, status dots */
.fs-badge {
  --t-fg: var(--fs-color-text-secondary);
  --t-bg: var(--fs-color-surface-sunken);
  --t-bd: var(--fs-color-border);
  --t-dot: var(--fs-color-text-tertiary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 100%;
  height: 22px;
  padding: 0 8px;
  border: 1px solid var(--t-bd);
  border-radius: var(--fs-radius-xs);
  background: var(--t-bg);
  color: var(--t-fg);
  font-size: var(--fs-text-xs);
  font-weight: var(--fs-weight-medium);
  line-height: 1;
  white-space: nowrap;
  vertical-align: middle;
  font-variant-numeric: tabular-nums;
}

.fs-badge--pill { border-radius: var(--fs-radius-pill); }
.fs-badge--sm { height: 18px; padding: 0 6px; font-size: 0.6875rem; gap: 4px; }
.fs-badge--lg { height: 26px; padding: 0 10px; font-size: var(--fs-text-sm); }

.fs-badge__dot {
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--t-dot);
}

.fs-badge i.rzi { font-size: 14px; margin: 0 -2px; }
.fs-badge__text { overflow: hidden; text-overflow: ellipsis; }


/* legacy tags (pills) */
.fs-tag {
  --t-fg: var(--fs-color-text-secondary);
  --t-bg: var(--fs-color-surface-sunken);
  --t-bd: var(--fs-color-border);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 22px;
  padding: 0 9px;
  border: 1px solid var(--t-bd);
  border-radius: var(--fs-radius-pill);
  background: var(--t-bg);
  color: var(--t-fg);
  font-size: var(--fs-text-xs);
  font-weight: var(--fs-weight-medium);
  line-height: 1;
  white-space: nowrap;
  vertical-align: middle;
}


/* legacy priority/score chip (numeric) */
.fs-badge-sev {
  --t-fg: var(--fs-color-text-secondary);
  --t-bg: var(--fs-color-surface-sunken);
  --t-bd: var(--fs-color-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 22px;
  padding: 0 7px;
  border: 1px solid var(--t-bd);
  border-radius: var(--fs-radius-xs);
  background: var(--t-bg);
  color: var(--t-fg);
  font-size: var(--fs-text-xs);
  font-weight: var(--fs-weight-semibold);
  font-variant-numeric: tabular-nums;
}


.fs-status-dot {
  display: inline-block;
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--fs-color-success-solid);
  box-shadow: 0 0 0 3px var(--fs-color-success-bg);
}

.fs-count {
  display: inline-grid;
  place-items: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: var(--fs-radius-pill);
  background: var(--fs-color-surface-sunken);
  color: var(--fs-color-text-secondary);
  font-size: 0.6875rem;
  font-weight: var(--fs-weight-semibold);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.fs-count--accent { background: var(--fs-color-accent-solid); color: var(--fs-color-on-accent); }
.fs-count--danger { background: var(--fs-color-danger-solid); color: #ffffff; }

/* Tables */
/* A scroll container becomes the sticky header's frame, so the app-bar offset would push the header over the rows. */
.fs-table-wrap {
  --fs-table-sticky-top: 0px;
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--fs-color-border);
  border-radius: var(--fs-radius-lg);
  background: var(--fs-color-surface);
}

.fs-panel > .fs-table-wrap { border-radius: var(--fs-radius-md); }

.fs-table,
.fs-int-table,
.cp-table,
.wl-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  color: var(--fs-color-text-primary);
  font-size: var(--fs-text-sm);
  font-variant-numeric: tabular-nums;
}

.fs-table th,
.fs-int-table th {
  position: sticky;
  top: var(--fs-table-sticky-top, var(--fs-appbar-h));
  z-index: 1;
  height: 36px;
  padding: 0 var(--fs-space-3);
  border-bottom: 1px solid var(--fs-color-border);
  background: var(--fs-color-surface-sunken);
  color: var(--fs-color-text-tertiary);
  font-size: var(--fs-text-xs);
  font-weight: var(--fs-weight-medium);
  letter-spacing: 0.01em;
  text-align: left;
  white-space: nowrap;
  vertical-align: middle;
}

.fs-table th:first-child,
.fs-int-table th:first-child { border-top-left-radius: inherit; }

.fs-table td,
.fs-int-table td {
  height: var(--fs-row-h);
  padding: var(--fs-space-2) var(--fs-space-3);
  border-bottom: 1px solid var(--fs-color-border-subtle);
  vertical-align: middle;
}

.fs-table tbody tr:last-child td,
.fs-int-table tbody tr:last-child td { border-bottom: 0; }

.fs-table tbody tr,
.fs-int-table tbody tr { transition: background-color var(--fs-transition); }

.fs-table tbody tr:hover,
.fs-int-table tbody tr:hover { background: var(--fs-color-surface-hover); }

.fs-table tbody tr[aria-selected="true"],
.fs-table tbody tr.is-selected { background: var(--fs-color-surface-selected); }

.fs-table--dense td { height: var(--fs-row-h-dense); padding-top: var(--fs-space-1); padding-bottom: var(--fs-space-1); }
.fs-table--comfortable td { height: 52px; padding-top: var(--fs-space-3); padding-bottom: var(--fs-space-3); }
.fs-table--top td { vertical-align: top; }
.fs-table--plain th { background: transparent; }

.fs-table .fs-num,
.fs-table td.num,
.fs-table th.num { text-align: right; font-variant-numeric: tabular-nums; }

.fs-table__actions,
.fs-table td.fs-table__actions {
  width: 1%;
  text-align: right;
  white-space: nowrap;
}

.fs-table__actions > * + * { margin-left: var(--fs-space-1); }

.fs-table__empty {
  padding: var(--fs-space-8) var(--fs-space-4) !important;
  color: var(--fs-color-text-tertiary);
  text-align: center;
}

/* Tabs */
.fs-tabs {
  display: flex;
  align-items: stretch;
  gap: var(--fs-space-1);
  min-width: 0;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  border-bottom: 1px solid var(--fs-color-border);
  scrollbar-width: none;
}

.fs-tabs::-webkit-scrollbar { display: none; }

.fs-tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--fs-space-2);
  flex: none;
  height: 40px;
  margin: 0;
  padding: 0 var(--fs-space-3);
  border: 0;
  background: none;
  color: var(--fs-color-text-secondary);
  font-size: var(--fs-text-base);
  font-weight: var(--fs-weight-medium);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--fs-transition);
}

.fs-tab::after {
  content: "";
  position: absolute;
  right: var(--fs-space-2);
  bottom: -1px;
  left: var(--fs-space-2);
  height: 2px;
  border-radius: 2px 2px 0 0;
  background: transparent;
  transition: background-color var(--fs-transition-med);
}

.fs-tab:hover { color: var(--fs-color-text-primary); text-decoration: none; }
.fs-tab:focus-visible { outline-offset: -4px; border-radius: var(--fs-radius-sm); }
.fs-tab[aria-selected="true"],
.fs-tab.is-active { color: var(--fs-color-text-primary); }
.fs-tab[aria-selected="true"]::after,
.fs-tab.is-active::after { background: var(--fs-color-accent); }
.fs-tab:disabled { opacity: 0.45; cursor: not-allowed; }
.fs-tab i.rzi { font-size: 18px; }

.fs-tabs--segmented {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--fs-color-border);
  border-radius: var(--fs-radius-md);
  background: var(--fs-color-surface-sunken);
}

.fs-tabs--segmented .fs-tab {
  height: 30px;
  padding: 0 var(--fs-space-3);
  border-radius: 7px;
  font-size: var(--fs-text-sm);
}

.fs-tabs--segmented .fs-tab::after { display: none; }

.fs-tabs--segmented .fs-tab[aria-selected="true"],
.fs-tabs--segmented .fs-tab.is-active {
  background: var(--fs-color-surface);
  box-shadow: var(--fs-shadow-sm);
}

[data-theme="dark"] .fs-tabs--segmented .fs-tab[aria-selected="true"] { background: var(--fs-color-surface-overlay); }

.fs-tabpanel { padding-top: var(--fs-space-5); min-width: 0; }
.fs-tabpanel:focus-visible { outline-offset: 4px; border-radius: var(--fs-radius-sm); }

/* Callouts (replaces the per-page message banners) */
.fs-callout {
  --t-fg: var(--fs-color-info-fg);
  --t-bg: var(--fs-color-info-bg);
  --t-bd: var(--fs-color-info-border);
  display: flex;
  align-items: flex-start;
  gap: var(--fs-space-3);
  min-width: 0;
  padding: var(--fs-space-3) var(--fs-space-4);
  border: 1px solid var(--t-bd);
  border-radius: var(--fs-radius-md);
  background: var(--t-bg);
  color: var(--fs-color-text-primary);
  font-size: var(--fs-text-sm);
  line-height: var(--fs-leading-base);
}

.fs-callout__icon {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 20px;
  height: 20px;
  color: var(--t-fg);
}

.fs-callout__icon i.rzi { font-size: 20px; }
.fs-callout__body { flex: 1 1 auto; min-width: 0; }
.fs-callout__title { display: block; margin: 0 0 2px; font-weight: var(--fs-weight-semibold); color: var(--fs-color-text-primary); }
.fs-callout__text { margin: 0; color: var(--fs-color-text-secondary); }
.fs-callout__actions { display: flex; flex-wrap: wrap; gap: var(--fs-space-2); margin-top: var(--fs-space-3); }
.fs-callout__close { margin: -6px -8px -6px 0; }


/* Empty state & skeleton */
.fs-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--fs-space-2);
  padding: var(--fs-space-8) var(--fs-space-5);
  text-align: center;
}

.fs-empty--compact { padding: var(--fs-space-5) var(--fs-space-4); }

.fs-empty__icon {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: var(--fs-space-2);
  border: 1px solid var(--fs-color-border);
  border-radius: var(--fs-radius-md);
  background: var(--fs-color-surface);
  box-shadow: var(--fs-shadow-sm), 0 0 0 6px var(--fs-color-surface-sunken);
  color: var(--fs-color-text-secondary);
}

.fs-empty__icon i.rzi { font-size: 22px; }
.fs-empty--compact .fs-empty__icon { width: 36px; height: 36px; box-shadow: var(--fs-shadow-xs); }
.fs-empty__title { margin: 0; color: var(--fs-color-text-primary); font-size: var(--fs-text-md); font-weight: var(--fs-weight-semibold); }
.fs-empty__text { max-width: 46ch; margin: 0; color: var(--fs-color-text-tertiary); font-size: var(--fs-text-sm); }
.fs-empty__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--fs-space-2); margin-top: var(--fs-space-3); }

.fs-skeleton-group { display: flex; flex-direction: column; gap: var(--fs-space-3); }

.fs-skeleton {
  display: block;
  height: 12px;
  border-radius: var(--fs-radius-xs);
  background: linear-gradient(90deg, var(--fs-color-surface-sunken) 0%, var(--fs-color-surface-hover) 40%, var(--fs-color-surface-sunken) 80%);
  background-size: 300% 100%;
  animation: fs-shimmer 1.6s ease-in-out infinite;
}

[data-theme="dark"] .fs-skeleton {
  background: linear-gradient(90deg, #171a22 0%, #20242e 40%, #171a22 80%);
  background-size: 300% 100%;
}

.fs-skeleton--title { height: 20px; width: 40%; }
.fs-skeleton--value { height: 28px; width: 55%; }
.fs-skeleton--block { height: 120px; border-radius: var(--fs-radius-md); }
.fs-skeleton--circle { width: 32px; height: 32px; border-radius: 50%; }

.fs-skeleton-table { display: flex; flex-direction: column; }
.fs-skeleton-table__row { display: grid; grid-template-columns: var(--fs-skeleton-cols, 2fr 3fr 1.5fr 1fr); gap: var(--fs-space-4); align-items: center; height: var(--fs-row-h); padding: 0 var(--fs-space-3); border-bottom: 1px solid var(--fs-color-border-subtle); }
.fs-skeleton-table__row:first-child { height: 36px; background: var(--fs-color-surface-sunken); border-radius: var(--fs-radius-sm) var(--fs-radius-sm) 0 0; }

@keyframes fs-shimmer {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

@media (prefers-reduced-motion: reduce) {
  .fs-skeleton { animation: none; }
}

/* Small pieces */
.fs-kbd {
  display: inline-grid;
  place-items: center;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  border: 1px solid var(--fs-color-border);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--fs-color-surface);
  color: var(--fs-color-text-tertiary);
  font-family: var(--fs-font-sans);
  font-size: 0.6875rem;
  font-weight: var(--fs-weight-medium);
  line-height: 1;
}

.fs-avatar {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--fs-gradient-brand);
  color: #ffffff;
  font-size: var(--fs-text-xs);
  font-weight: var(--fs-weight-semibold);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.fs-avatar--sm { width: 22px; height: 22px; font-size: 0.625rem; }
.fs-avatar--lg { width: 40px; height: 40px; font-size: var(--fs-text-sm); }

.fs-dl {
  display: grid;
  grid-template-columns: minmax(120px, max-content) minmax(0, 1fr);
  gap: var(--fs-space-2) var(--fs-space-5);
  margin: 0;
  font-size: var(--fs-text-sm);
}

.fs-dl dt { color: var(--fs-color-text-tertiary); }
.fs-dl dd { margin: 0; min-width: 0; color: var(--fs-color-text-primary); overflow-wrap: anywhere; }

.fs-dl--stacked { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: var(--fs-space-4) var(--fs-space-5); }
.fs-dl--stacked > div { display: flex; flex-direction: column; gap: 2px; min-width: 0; }

@media (max-width: 640px) {
  .fs-dl { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .fs-dl dd { margin-bottom: var(--fs-space-2); }
}

.fs-link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--fs-color-text-link);
  font-size: var(--fs-text-sm);
  font-weight: var(--fs-weight-medium);
}

.fs-link-arrow::after { content: "→"; transition: transform var(--fs-transition); }
.fs-link-arrow:hover { text-decoration: none; }
.fs-link-arrow:hover::after { transform: translateX(2px); }

.fs-list {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
  list-style: none;
}

.fs-list__item {
  display: flex;
  align-items: center;
  gap: var(--fs-space-3);
  min-width: 0;
  padding: var(--fs-space-3) 0;
  border-bottom: 1px solid var(--fs-color-border-subtle);
}

.fs-list__item:last-child { border-bottom: 0; }

a.fs-list__item,
.fs-list__item--link {
  margin: 0 calc(-1 * var(--fs-space-2));
  padding-left: var(--fs-space-2);
  padding-right: var(--fs-space-2);
  border-radius: var(--fs-radius-sm);
  color: inherit;
  text-decoration: none;
}

a.fs-list__item:hover,
.fs-list__item--link:hover { background: var(--fs-color-surface-hover); color: inherit; text-decoration: none; }

.fs-list__main { display: flex; flex: 1 1 auto; flex-direction: column; gap: 2px; min-width: 0; }
.fs-list__title { overflow: hidden; color: var(--fs-color-text-primary); font-weight: var(--fs-weight-medium); text-overflow: ellipsis; white-space: nowrap; }
.fs-list__sub { overflow: hidden; color: var(--fs-color-text-tertiary); font-size: var(--fs-text-xs); text-overflow: ellipsis; white-space: nowrap; }
.fs-list__aside { flex: none; color: var(--fs-color-text-tertiary); font-size: var(--fs-text-xs); }

/* Popover & menu (UiKit Popover / Menu) */
.fs-popover { position: relative; display: inline-flex; }

.fs-popover__scrim {
  position: fixed;
  inset: 0;
  z-index: calc(var(--fs-z-popover) - 1);
  background: transparent;
}

.fs-popover__panel {
  position: absolute;
  z-index: var(--fs-z-popover);
  top: calc(100% + 6px);
  min-width: 220px;
  max-width: min(420px, calc(100vw - 24px));
  max-height: min(70vh, 560px);
  overflow: auto;
  padding: var(--fs-space-1);
  border: 1px solid var(--fs-color-border);
  border-radius: var(--fs-radius-md);
  background: var(--fs-color-surface-overlay);
  box-shadow: var(--fs-shadow-lg);
  color: var(--fs-color-text-primary);
  transform-origin: top right;
  animation: fs-pop-in var(--fs-transition-med);
}

.fs-popover__panel:focus { outline: none; }
.fs-popover__panel--end { right: 0; }
.fs-popover__panel--start { left: 0; transform-origin: top left; }
.fs-popover__panel--up { top: auto; bottom: calc(100% + 6px); transform-origin: bottom left; }
.fs-popover__panel--right { top: auto; bottom: 0; left: calc(100% + 10px); transform-origin: bottom left; }

@keyframes fs-pop-in {
  from { opacity: 0; transform: translateY(-4px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

.fs-menu {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.fs-menu__label {
  padding: var(--fs-space-2) var(--fs-space-3) var(--fs-space-1);
  color: var(--fs-color-text-tertiary);
  font-size: var(--fs-text-xs);
  font-weight: var(--fs-weight-medium);
}

.fs-menu__item {
  display: flex;
  align-items: center;
  gap: var(--fs-space-3);
  width: 100%;
  min-height: 34px;
  padding: 0 var(--fs-space-3);
  border: 0;
  border-radius: var(--fs-radius-xs);
  background: none;
  color: var(--fs-color-text-primary);
  font-size: var(--fs-text-base);
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

.fs-menu__item:hover,
.fs-menu__item:focus-visible { background: var(--fs-color-surface-hover); color: var(--fs-color-text-primary); text-decoration: none; }
.fs-menu__item:focus-visible { outline: 2px solid var(--fs-color-focus); outline-offset: -2px; }
.fs-menu__item i.rzi { flex: none; color: var(--fs-color-text-tertiary); font-size: 18px; }
.fs-menu__item[aria-checked="true"] { color: var(--fs-color-accent-text); }
.fs-menu__item[aria-checked="true"] i.rzi { color: var(--fs-color-accent); }
.fs-menu__item--danger { color: var(--fs-color-danger-fg); }
.fs-menu__item--danger i.rzi { color: var(--fs-color-danger-fg); }
.fs-menu__item:disabled { opacity: 0.5; cursor: not-allowed; }
.fs-menu__text { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fs-menu__hint { flex: none; color: var(--fs-color-text-tertiary); font-size: var(--fs-text-xs); }
.fs-menu__divider { height: 1px; margin: var(--fs-space-1) calc(-1 * var(--fs-space-1)); border: 0; background: var(--fs-color-border); }

/* Toasts (UiKit ToastHost) */
.fs-toasts {
  position: fixed;
  right: var(--fs-space-5);
  bottom: var(--fs-space-5);
  z-index: var(--fs-z-toast);
  display: flex;
  flex-direction: column-reverse;
  gap: var(--fs-space-2);
  width: min(380px, calc(100vw - 2 * var(--fs-space-4)));
  pointer-events: none;
}

.fs-toasts__region { display: flex; flex-direction: column; gap: var(--fs-space-2); }

.fs-toast {
  --t-fg: var(--fs-color-info-fg);
  display: flex;
  align-items: flex-start;
  gap: var(--fs-space-3);
  padding: var(--fs-space-3) var(--fs-space-3) var(--fs-space-3) var(--fs-space-4);
  border: 1px solid var(--fs-color-border);
  border-radius: var(--fs-radius-md);
  background: var(--fs-color-surface-overlay);
  box-shadow: var(--fs-shadow-lg);
  color: var(--fs-color-text-primary);
  font-size: var(--fs-text-sm);
  pointer-events: auto;
  animation: fs-toast-in var(--fs-dur-slow) var(--fs-ease-emphasised);
}


.fs-toast__icon { flex: none; margin-top: 1px; color: var(--t-fg); }
.fs-toast__icon i.rzi { font-size: 20px; }
.fs-toast__body { flex: 1 1 auto; min-width: 0; }
.fs-toast__title { display: block; font-weight: var(--fs-weight-semibold); }
.fs-toast__text { margin: 2px 0 0; color: var(--fs-color-text-secondary); }
.fs-toast__title + .fs-toast__text { margin-top: 2px; }
.fs-toast__action { margin-top: var(--fs-space-2); }

@keyframes fs-toast-in {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 640px) {
  .fs-toasts { right: var(--fs-space-4); bottom: var(--fs-space-4); left: var(--fs-space-4); width: auto; }
}

/* Command palette (UiKit CommandPalette) */
.fs-palette {
  position: relative;
  width: 100%;
  min-width: 0;
}

.fs-palette__field {
  position: relative;
  display: flex;
  align-items: center;
}

.fs-palette__field > i.rzi {
  position: absolute;
  left: 10px;
  color: var(--fs-color-text-tertiary);
  font-size: 18px;
  pointer-events: none;
}

.fs-palette__input {
  width: 100%;
  height: var(--fs-control-h);
  padding: 0 4.25rem 0 34px;
  border: 1px solid var(--fs-color-border);
  border-radius: var(--fs-radius-sm);
  background: var(--fs-color-surface);
  color: var(--fs-color-text-primary);
  font-size: var(--fs-text-sm);
  box-shadow: var(--fs-shadow-xs);
  transition: border-color var(--fs-transition), box-shadow var(--fs-transition), background-color var(--fs-transition);
}

.fs-palette__input::placeholder { color: var(--fs-color-text-tertiary); opacity: 1; }
.fs-palette__input:hover { border-color: var(--fs-color-border-strong); }
.fs-palette__input:focus { outline: none; border-color: var(--fs-color-accent); box-shadow: var(--fs-focus-ring); }
.fs-palette__input::-webkit-search-cancel-button { display: none; }

.fs-palette__keys {
  position: absolute;
  right: 8px;
  display: inline-flex;
  gap: 3px;
  pointer-events: none;
}

.fs-palette__panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  left: 0;
  z-index: var(--fs-z-palette);
  display: flex;
  flex-direction: column;
  min-width: min(560px, calc(100vw - 24px));
  max-height: min(64vh, 520px);
  overflow: hidden;
  border: 1px solid var(--fs-color-border);
  border-radius: var(--fs-radius-lg);
  background: var(--fs-color-surface-overlay);
  box-shadow: var(--fs-shadow-xl);
  animation: fs-pop-in var(--fs-transition-med);
}

.fs-palette__list {
  flex: 1 1 auto;
  margin: 0;
  padding: var(--fs-space-1) var(--fs-space-2) var(--fs-space-2);
  overflow-y: auto;
  list-style: none;
}

.fs-palette__group {
  padding: var(--fs-space-3) var(--fs-space-2) var(--fs-space-1);
  color: var(--fs-color-text-tertiary);
  font-size: var(--fs-text-xs);
  font-weight: var(--fs-weight-medium);
}

.fs-palette__option {
  display: flex;
  align-items: center;
  gap: var(--fs-space-3);
  min-height: 40px;
  padding: var(--fs-space-1) var(--fs-space-2);
  border-radius: var(--fs-radius-sm);
  color: var(--fs-color-text-primary);
  cursor: pointer;
}

.fs-palette__option[aria-selected="true"] { background: var(--fs-color-accent-soft); }
.fs-palette__option[aria-selected="true"] .fs-palette__hint { color: var(--fs-color-text-secondary); }
.fs-palette__option[aria-selected="true"] .fs-palette__icon { border-color: var(--fs-color-accent-border); color: var(--fs-color-accent-text); }

.fs-palette__icon {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 28px;
  height: 28px;
  border: 1px solid var(--fs-color-border);
  border-radius: var(--fs-radius-xs);
  background: var(--fs-color-surface);
  color: var(--fs-color-text-secondary);
}

.fs-palette__icon i.rzi { font-size: 16px; }
.fs-palette__text { display: flex; flex: 1 1 auto; flex-direction: column; min-width: 0; }
.fs-palette__label { overflow: hidden; font-size: var(--fs-text-sm); font-weight: var(--fs-weight-medium); text-overflow: ellipsis; white-space: nowrap; }
.fs-palette__hint { overflow: hidden; color: var(--fs-color-text-tertiary); font-size: var(--fs-text-xs); text-overflow: ellipsis; white-space: nowrap; }
.fs-palette__aside { flex: none; color: var(--fs-color-text-tertiary); font-size: var(--fs-text-xs); }
.fs-palette__empty { padding: var(--fs-space-6) var(--fs-space-4); color: var(--fs-color-text-tertiary); font-size: var(--fs-text-sm); text-align: center; }

.fs-palette__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--fs-space-4);
  padding: var(--fs-space-2) var(--fs-space-4);
  border-top: 1px solid var(--fs-color-border);
  background: var(--fs-color-surface-sunken);
  color: var(--fs-color-text-tertiary);
  font-size: var(--fs-text-xs);
}

.fs-palette__foot span { display: inline-flex; align-items: center; gap: 4px; }

@media (max-width: 899px) {
  .fs-palette.is-open {
    position: fixed;
    inset: 0;
    z-index: var(--fs-z-palette);
    display: flex;
    flex-direction: column;
    padding: var(--fs-space-3);
    background: var(--fs-color-surface-overlay);
  }

  .fs-palette.is-open .fs-palette__panel {
    position: static;
    flex: 1 1 auto;
    min-width: 0;
    max-height: none;
    margin-top: var(--fs-space-3);
    border: 0;
    box-shadow: none;
  }
}

/* Legacy integration-page primitives (P5-E5-01/02), restyled */
.fs-int-form {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--fs-space-3) var(--fs-space-4);
}

.fs-int-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 12rem;
  color: var(--fs-color-text-primary);
  font-size: var(--fs-text-sm);
  font-weight: var(--fs-weight-medium);
}

.fs-int-form fieldset {
  display: flex;
  flex-wrap: wrap;
  gap: var(--fs-space-2) var(--fs-space-4);
  margin: 0;
  padding: 0;
  border: 0;
}

.fs-int-form fieldset label {
  flex-direction: row;
  align-items: center;
  min-width: 0;
  font-weight: var(--fs-weight-regular);
}

.fs-int-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--fs-space-2);
  margin-top: var(--fs-space-3);
}

.fs-int-wide { min-width: 22rem; }
.fs-int-spaced { margin-top: var(--fs-space-3); }
.fs-int-headlink { text-decoration: none; }

.fs-int-message {
  margin-bottom: var(--fs-space-4);
  padding: var(--fs-space-3) var(--fs-space-4);
  border: 1px solid var(--fs-color-info-border);
  border-radius: var(--fs-radius-md);
  background: var(--fs-color-info-bg);
  color: var(--fs-color-text-primary);
  font-size: var(--fs-text-sm);
}

.fs-int-message--error {
  border-color: var(--fs-color-danger-border);
  background: var(--fs-color-danger-bg);
}

.fs-int-secret {
  padding: var(--fs-space-3);
  border: 1px dashed var(--fs-color-border-strong);
  border-radius: var(--fs-radius-md);
  background: var(--fs-color-surface-sunken);
  font-family: var(--fs-font-mono);
  word-break: break-all;
  user-select: all;
}

.fs-int-grid {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: var(--fs-space-2) var(--fs-space-5);
  margin: 0;
  font-size: var(--fs-text-sm);
}

.fs-int-grid dt { color: var(--fs-color-text-tertiary); }
.fs-int-grid dd { margin: 0; }

.fs-int-steps {
  display: flex;
  flex-wrap: wrap;
  gap: var(--fs-space-2);
  margin: 0 0 var(--fs-space-4);
  padding: 0;
  list-style: none;
}

.fs-int-steps li {
  padding: 3px 10px;
  border: 1px solid var(--fs-color-border);
  border-radius: var(--fs-radius-pill);
  color: var(--fs-color-text-secondary);
  font-size: var(--fs-text-xs);
}

.fs-int-steps li.is-done {
  border-color: var(--fs-color-success-border);
  background: var(--fs-color-success-bg);
  color: var(--fs-color-success-fg);
}

@media (max-width: 640px) {
  .fs-int-table { display: block; overflow-x: auto; }
  .fs-int-grid { grid-template-columns: 1fr; }
}

/* Tones: one palette for badges, tags, callouts, toasts, KPI icons and sparklines (--t-fg text, --t-bg fill, --t-bd border, --t-dot saturated). */
.fs-badge--neutral, .fs-callout--neutral, .fs-toast--neutral, .fs-tone--neutral { --t-fg: var(--fs-color-text-secondary); --t-bg: var(--fs-color-surface-sunken); --t-bd: var(--fs-color-border); --t-dot: var(--fs-color-text-tertiary); }
.fs-badge--accent, .fs-tag--accent, .fs-callout--accent, .fs-toast--accent, .fs-tone--accent { --t-fg: var(--fs-color-accent-text); --t-bg: var(--fs-color-accent-soft); --t-bd: var(--fs-color-accent-border); --t-dot: var(--fs-color-accent); }
.fs-badge--success, .fs-tag--success, .fs-callout--success, .fs-toast--success, .fs-tone--success { --t-fg: var(--fs-color-success-fg); --t-bg: var(--fs-color-success-bg); --t-bd: var(--fs-color-success-border); --t-dot: var(--fs-color-success-solid); }
.fs-badge--warning, .fs-tag--warning, .fs-callout--warning, .fs-toast--warning, .fs-tone--warning { --t-fg: var(--fs-color-warning-fg); --t-bg: var(--fs-color-warning-bg); --t-bd: var(--fs-color-warning-border); --t-dot: var(--fs-color-warning-solid); }
.fs-badge--danger, .fs-tag--danger, .fs-callout--danger, .fs-toast--danger, .fs-tone--danger { --t-fg: var(--fs-color-danger-fg); --t-bg: var(--fs-color-danger-bg); --t-bd: var(--fs-color-danger-border); --t-dot: var(--fs-color-danger-solid); }
.fs-badge--info, .fs-tag--info, .fs-callout--info, .fs-toast--info, .fs-tone--info { --t-fg: var(--fs-color-info-fg); --t-bg: var(--fs-color-info-bg); --t-bd: var(--fs-color-info-border); --t-dot: var(--fs-color-info-solid); }
.fs-badge--low, .fs-tag--low, .fs-badge-sev--low, .fs-tone--low { --t-fg: var(--fs-color-sev-low-fg); --t-bg: var(--fs-color-sev-low-bg); --t-bd: var(--fs-color-sev-low-border); --t-dot: var(--fs-color-sev-low-dot); }
.fs-badge--medium, .fs-tag--medium, .fs-badge-sev--medium, .fs-tone--medium { --t-fg: var(--fs-color-sev-medium-fg); --t-bg: var(--fs-color-sev-medium-bg); --t-bd: var(--fs-color-sev-medium-border); --t-dot: var(--fs-color-sev-medium-dot); }
.fs-badge--high, .fs-tag--high, .fs-badge-sev--high, .fs-tone--high { --t-fg: var(--fs-color-sev-high-fg); --t-bg: var(--fs-color-sev-high-bg); --t-bd: var(--fs-color-sev-high-border); --t-dot: var(--fs-color-sev-high-dot); }
.fs-badge--critical, .fs-tag--critical, .fs-badge-sev--critical, .fs-tone--critical { --t-fg: var(--fs-color-sev-critical-fg); --t-bg: var(--fs-color-sev-critical-bg); --t-bd: var(--fs-color-sev-critical-border); --t-dot: var(--fs-color-sev-critical-dot); }
.fs-badge--solid { --t-fg: var(--fs-color-on-accent); --t-bg: var(--fs-color-accent-solid); --t-bd: transparent; --t-dot: var(--fs-color-on-accent); }

/* Status pages (NotFound, Error, access denied) */
.fs-status-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 560px;
  margin: var(--fs-space-10) auto;
  text-align: center;
}

.fs-status-page h1 { margin: var(--fs-space-4) 0 var(--fs-space-2); font-size: var(--fs-text-3xl); line-height: var(--fs-leading-3xl); letter-spacing: -0.025em; }
.fs-status-page__code { display: inline-grid; place-items: center; min-width: 88px; height: 56px; padding: 0 var(--fs-space-4); border: 1px solid var(--fs-color-accent-border); border-radius: var(--fs-radius-lg); background: var(--fs-color-accent-soft); color: var(--fs-color-accent-text); font-size: var(--fs-text-2xl); font-weight: var(--fs-weight-semibold); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.fs-status-page__code--danger { border-color: var(--fs-color-danger-border); background: var(--fs-color-danger-bg); color: var(--fs-color-danger-fg); }
.fs-status-page__code i.rzi { font-size: 28px; }
.fs-status-page__text { margin: 0; color: var(--fs-color-text-secondary); font-size: var(--fs-text-md); line-height: 1.6; }
.fs-status-page__ref { margin: var(--fs-space-3) 0 0; color: var(--fs-color-text-tertiary); font-size: var(--fs-text-sm); }
.fs-status-page__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--fs-space-2); margin-top: var(--fs-space-6); }
.fs-status-page__hint { margin: var(--fs-space-6) 0 0; color: var(--fs-color-text-tertiary); font-size: var(--fs-text-sm); }
.fs-status-page__title { margin: var(--fs-space-4) 0 var(--fs-space-2); font-size: var(--fs-text-lg); }

/* Theme island: a block rendered in the other theme ([data-theme] on the element), e.g. the gallery's side-by-side preview. */
.fs-theme-island { background: var(--fs-color-canvas); color: var(--fs-color-text-primary); }