/*
  FlowSentry v3 — application shell: icon rail, module flyouts (pinnable to a sidebar), translucent app bar, content frame.
  Markup: Components/Layout/MainLayout.razor, AppRail.razor, ModuleFlyout.razor. The document scrolls (not an inner
  container), so the app bar is sticky and full-page screenshots capture whole pages.
*/

.fs-shell {
  position: relative;
  min-height: 100vh;
  background: var(--fs-color-canvas);
}

/* Skip link: first focusable element on every page. */
.fs-skip {
  position: fixed;
  top: -60px;
  left: var(--fs-space-3);
  z-index: calc(var(--fs-z-palette) + 1);
  padding: var(--fs-space-2) var(--fs-space-4);
  border-radius: var(--fs-radius-sm);
  background: var(--fs-color-accent-solid);
  color: var(--fs-color-on-accent);
  font-weight: var(--fs-weight-semibold);
  box-shadow: var(--fs-shadow-lg);
  transition: top var(--fs-transition-med);
}

.fs-skip:focus,
.fs-skip:focus-visible {
  top: var(--fs-space-3);
  color: var(--fs-color-on-accent);
  text-decoration: none;
}

/* Primary navigation container (rail + flyout) */
.fs-nav {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: var(--fs-z-rail);
  display: flex;
}

/* Rail */
.fs-rail {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: var(--fs-rail-w);
  height: 100%;
  padding: var(--fs-space-3) 0 var(--fs-space-3);
  background: var(--fs-color-surface);
  border-right: 1px solid var(--fs-color-border);
}

[data-theme="dark"] .fs-rail { background: #0d0f14; }

.fs-rail__brand {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: var(--fs-space-4);
  border-radius: var(--fs-radius-md);
  transition: transform var(--fs-dur) var(--fs-ease-emphasised);
}

.fs-rail__brand:hover { transform: scale(1.04); text-decoration: none; }

.fs-rail__list {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  width: 100%;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  list-style: none;
  scrollbar-width: none;
}

.fs-rail__list::-webkit-scrollbar { display: none; }
.fs-rail__list > li { width: 100%; display: flex; justify-content: center; }

.fs-rail__item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  width: 60px;
  padding: 5px 0 6px;
  border: 0;
  border-radius: var(--fs-radius-md);
  background: none;
  color: var(--fs-color-text-tertiary);
  font: inherit;
  text-decoration: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.fs-rail__item:hover { color: var(--fs-color-text-primary); text-decoration: none; }
.fs-rail__item:focus-visible { outline-offset: 0; }

.fs-rail__icon {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 30px;
  border-radius: 9px;
  transition: background-color var(--fs-transition), color var(--fs-transition);
}

.fs-rail__icon i.rzi { font-size: 21px; font-variation-settings: "FILL" 0, "wght" 400; }

.fs-rail__item:hover .fs-rail__icon,
.fs-rail__item[aria-expanded="true"] .fs-rail__icon { background: var(--fs-color-surface-hover); }

.fs-rail__label {
  max-width: 100%;
  overflow: hidden;
  font-size: 0.6875rem;
  font-weight: var(--fs-weight-medium);
  line-height: 1.1;
  letter-spacing: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fs-rail__item[aria-expanded="true"] { color: var(--fs-color-text-primary); }

/* Active module: accent pill + gradient indicator at the rail edge. */
.fs-rail__item.is-active { color: var(--fs-color-accent-text); }
.fs-rail__item.is-active .fs-rail__icon { background: var(--fs-color-accent-soft); color: var(--fs-color-accent-text); }
.fs-rail__item.is-active .fs-rail__icon i.rzi { font-variation-settings: "FILL" 1, "wght" 500; }
.fs-rail__item.is-active .fs-rail__label { font-weight: var(--fs-weight-semibold); }

.fs-rail__item.is-active::before {
  content: "";
  position: absolute;
  top: 9px;
  left: -4px;
  width: 3px;
  height: 22px;
  border-radius: 0 3px 3px 0;
  background: var(--fs-gradient-brand);
}

.fs-rail__badge {
  position: absolute;
  top: -4px;
  right: -2px;
  display: inline-grid;
  place-items: center;
  min-width: 17px;
  height: 17px;
  padding: 0 4px;
  border: 2px solid var(--fs-color-surface);
  border-radius: var(--fs-radius-pill);
  background: var(--fs-color-accent-solid);
  color: var(--fs-color-on-accent);
  font-size: 0.625rem;
  font-weight: var(--fs-weight-bold);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

[data-theme="dark"] .fs-rail__badge { border-color: #0d0f14; }

.fs-rail__foot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--fs-space-1);
  padding-top: var(--fs-space-3);
  border-top: 1px solid var(--fs-color-border-subtle);
  width: 44px;
}

.fs-rail__foot .fs-icon-btn { width: 40px; height: 36px; color: var(--fs-color-text-tertiary); }
.fs-rail__foot .fs-icon-btn:hover { color: var(--fs-color-text-primary); }

/* Flyout / pinned sidebar */
.fs-flyout {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  width: var(--fs-flyout-w);
  height: 100%;
  background: var(--fs-color-surface);
  border-right: 1px solid var(--fs-color-border);
  box-shadow: var(--fs-shadow-lg);
  animation: fs-flyout-in var(--fs-transition-med);
}

[data-theme="dark"] .fs-flyout { background: var(--fs-color-surface); }

.fs-flyout[hidden] { display: none; }
.fs-shell[data-pinned="true"] .fs-flyout { box-shadow: none; animation: none; }

@keyframes fs-flyout-in {
  from { opacity: 0; transform: translateX(-8px); }
  to { opacity: 1; transform: none; }
}

.fs-flyout__head {
  display: flex;
  align-items: center;
  gap: var(--fs-space-2);
  height: var(--fs-appbar-h);
  padding: 0 var(--fs-space-2) 0 var(--fs-space-4);
  border-bottom: 1px solid var(--fs-color-border-subtle);
}

.fs-flyout__title {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  color: var(--fs-color-text-primary);
  font-size: var(--fs-text-base);
  font-weight: var(--fs-weight-semibold);
  letter-spacing: var(--fs-tracking-tight);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fs-flyout__body {
  flex: 1 1 auto;
  padding: var(--fs-space-2);
  overflow-y: auto;
}

.fs-flyout__panel[hidden] { display: none; }

.fs-flyout__section {
  margin: 0;
  padding: var(--fs-space-4) 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-flyout__links {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.fs-flyout__link {
  display: flex;
  align-items: flex-start;
  gap: var(--fs-space-3);
  padding: 7px var(--fs-space-2);
  border-radius: var(--fs-radius-sm);
  color: var(--fs-color-text-secondary);
  text-decoration: none;
  transition: background-color var(--fs-transition), color var(--fs-transition);
}

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

.fs-flyout__link:focus-visible { outline-offset: -2px; }

.fs-flyout__link i.rzi {
  flex: none;
  margin-top: 1px;
  color: var(--fs-color-text-tertiary);
  font-size: 18px;
}

.fs-flyout__text { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.fs-flyout__label { color: inherit; font-size: var(--fs-text-base); font-weight: var(--fs-weight-medium); line-height: 20px; }
.fs-flyout__desc { color: var(--fs-color-text-tertiary); font-size: var(--fs-text-xs); line-height: 16px; }

.fs-flyout__link.active,
.fs-flyout__link[aria-current="page"] {
  background: var(--fs-color-accent-soft);
  color: var(--fs-color-accent-text);
}

.fs-flyout__link.active i.rzi,
.fs-flyout__link[aria-current="page"] i.rzi { color: var(--fs-color-accent); font-variation-settings: "FILL" 1; }

.fs-flyout__foot {
  display: flex;
  align-items: center;
  gap: var(--fs-space-2);
  padding: var(--fs-space-3) var(--fs-space-4);
  border-top: 1px solid var(--fs-color-border-subtle);
  color: var(--fs-color-text-tertiary);
  font-size: var(--fs-text-xs);
}

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

/* Content frame */
.fs-frame {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 100vh;
  margin-left: var(--fs-rail-w);
  transition: margin-left var(--fs-transition-med);
}

.fs-shell[data-pinned="true"] .fs-frame { margin-left: calc(var(--fs-rail-w) + var(--fs-flyout-w)); }

.fs-content {
  flex: 1 1 auto;
  min-width: 0;
  padding: var(--fs-space-6) var(--fs-gutter) var(--fs-space-10);
}

.fs-content:focus { outline: none; }

.fs-content__inner {
  width: 100%;
  max-width: var(--fs-content-max);
  margin: 0 auto;
}

/* App bar */
.fs-appbar {
  position: sticky;
  top: 0;
  z-index: var(--fs-z-appbar);
  display: flex;
  align-items: center;
  gap: var(--fs-space-3);
  height: var(--fs-appbar-h);
  padding: 0 var(--fs-gutter);
  border-bottom: 1px solid var(--fs-color-border);
  background: var(--fs-color-appbar);
  -webkit-backdrop-filter: saturate(1.6) blur(14px);
  backdrop-filter: saturate(1.6) blur(14px);
}

.fs-appbar__menu { display: none; }
.fs-appbar__crumbs-nav { flex: 1 1 auto; min-width: 0; }

.fs-appbar__crumbs {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  gap: var(--fs-space-2);
  min-width: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--fs-color-text-tertiary);
  font-size: var(--fs-text-sm);
}

.fs-appbar__crumbs li { display: inline-flex; align-items: center; gap: var(--fs-space-2); min-width: 0; }
.fs-appbar__crumbs li + li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-top: 1.5px solid var(--fs-color-border-strong);
  border-right: 1.5px solid var(--fs-color-border-strong);
  transform: rotate(45deg);
}

.fs-appbar__crumbs a { color: var(--fs-color-text-tertiary); white-space: nowrap; }
.fs-appbar__crumbs a:hover { color: var(--fs-color-text-primary); text-decoration: none; }
.fs-appbar__crumbs [aria-current="page"] { overflow: hidden; color: var(--fs-color-text-primary); font-weight: var(--fs-weight-medium); text-overflow: ellipsis; white-space: nowrap; }
.fs-appbar__crumbs i.rzi { font-size: 16px; }

.fs-appbar__search { flex: 0 1 380px; min-width: 200px; }

.fs-appbar__actions {
  display: flex;
  flex: none;
  align-items: center;
  gap: var(--fs-space-1);
}

.fs-appbar__divider { width: 1px; height: 20px; margin: 0 var(--fs-space-2); background: var(--fs-color-border); }

.fs-appbar__bell .fs-count {
  position: absolute;
  top: 2px;
  right: 1px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border: 2px solid var(--fs-color-canvas);
  font-size: 0.5625rem;
}

/* Tenant chip (data-testid="tenant-name" lives on the name). */
.fs-tenant {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 220px;
  height: 30px;
  padding: 0 10px 0 8px;
  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);
  font-weight: var(--fs-weight-medium);
  white-space: nowrap;
}

.fs-tenant i.rzi { flex: none; color: var(--fs-color-text-tertiary); font-size: 16px; }
.fs-tenant__name { overflow: hidden; text-overflow: ellipsis; }

/* User menu trigger. */
.fs-user {
  display: inline-flex;
  align-items: center;
  gap: var(--fs-space-2);
  height: 36px;
  padding: 0 6px 0 4px;
  border: 1px solid transparent;
  border-radius: var(--fs-radius-pill);
  background: none;
  color: var(--fs-color-text-primary);
  font-size: var(--fs-text-sm);
  font-weight: var(--fs-weight-medium);
  cursor: pointer;
}

.fs-user:hover,
.fs-user[aria-expanded="true"] { background: var(--fs-color-surface-hover); border-color: var(--fs-color-border); }
.fs-user__name { max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fs-user > i.rzi { color: var(--fs-color-text-tertiary); font-size: 18px; }

.fs-user-card {
  display: flex;
  align-items: center;
  gap: var(--fs-space-3);
  padding: var(--fs-space-3);
}

.fs-user-card__text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.fs-user-card__name { overflow: hidden; font-weight: var(--fs-weight-semibold); text-overflow: ellipsis; white-space: nowrap; }
.fs-user-card__meta { overflow: hidden; color: var(--fs-color-text-tertiary); font-size: var(--fs-text-xs); text-overflow: ellipsis; white-space: nowrap; }
.fs-user-card__roles { display: flex; flex-wrap: wrap; gap: 4px; padding: 0 var(--fs-space-3) var(--fs-space-2); }

.fs-theme-switch {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin: var(--fs-space-1) var(--fs-space-2) var(--fs-space-2);
  padding: 3px;
  border: 1px solid var(--fs-color-border);
  border-radius: var(--fs-radius-sm);
  background: var(--fs-color-surface-sunken);
}

.fs-theme-switch button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 28px;
  border: 0;
  border-radius: 6px;
  background: none;
  color: var(--fs-color-text-secondary);
  font-size: var(--fs-text-xs);
  font-weight: var(--fs-weight-medium);
}

.fs-theme-switch button i.rzi { font-size: 15px; }
.fs-theme-switch button:hover { color: var(--fs-color-text-primary); }
.fs-theme-switch button[aria-checked="true"] { background: var(--fs-color-surface); color: var(--fs-color-text-primary); box-shadow: var(--fs-shadow-sm); }
[data-theme="dark"] .fs-theme-switch button[aria-checked="true"] { background: var(--fs-color-surface-hover); }

/* Notifications panel. */
.fs-notes { width: 380px; padding: 0; }
.fs-notes__head { display: flex; align-items: center; justify-content: space-between; gap: var(--fs-space-2); padding: var(--fs-space-3) var(--fs-space-4); border-bottom: 1px solid var(--fs-color-border); }
.fs-notes__title { margin: 0; font-size: var(--fs-text-base); font-weight: var(--fs-weight-semibold); }
.fs-notes__list { margin: 0; padding: var(--fs-space-1); list-style: none; }
.fs-notes__item { display: flex; gap: var(--fs-space-3); padding: var(--fs-space-2) var(--fs-space-3); border-radius: var(--fs-radius-sm); color: inherit; text-decoration: none; }
.fs-notes__item:hover { background: var(--fs-color-surface-hover); color: inherit; text-decoration: none; }
.fs-notes__dot { flex: none; width: 8px; height: 8px; margin-top: 6px; border-radius: 50%; background: var(--fs-color-accent); }
.fs-notes__dot.is-muted { background: var(--fs-color-border-strong); }
.fs-notes__main { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.fs-notes__text { overflow: hidden; color: var(--fs-color-text-primary); font-size: var(--fs-text-sm); font-weight: var(--fs-weight-medium); text-overflow: ellipsis; white-space: nowrap; }
.fs-notes__meta { color: var(--fs-color-text-tertiary); font-size: var(--fs-text-xs); }
.fs-notes__foot { display: flex; justify-content: center; padding: var(--fs-space-2); border-top: 1px solid var(--fs-color-border); background: var(--fs-color-surface-sunken); }

/* Blazor's unhandled-error bar. */
#blazor-error-ui {
  position: fixed;
  right: var(--fs-space-4);
  bottom: var(--fs-space-4);
  left: auto;
  z-index: var(--fs-z-toast);
  display: none;
  align-items: center;
  gap: var(--fs-space-3);
  max-width: min(520px, calc(100vw - 32px));
  padding: var(--fs-space-3) var(--fs-space-4);
  border: 1px solid var(--fs-color-danger-border);
  border-radius: var(--fs-radius-md);
  background: var(--fs-color-surface-overlay);
  box-shadow: var(--fs-shadow-xl);
  color: var(--fs-color-text-primary);
  font-size: var(--fs-text-sm);
}

#blazor-error-ui .dismiss { cursor: pointer; color: var(--fs-color-text-tertiary); }

/* Responsive: off-canvas navigation below 900px */
@media (max-width: 899px) {
  .fs-nav {
    transform: translateX(-100%);
    transition: transform var(--fs-dur-slow) var(--fs-ease-standard);
  }

  .fs-shell[data-nav-open="true"] .fs-nav { transform: none; box-shadow: var(--fs-shadow-xl); }
  .fs-shell[data-nav-open="true"] .fs-nav-scrim { background: var(--fs-color-scrim); }
  .fs-flyout { box-shadow: none; }

  .fs-frame,
  .fs-shell[data-pinned="true"] .fs-frame { margin-left: 0; }

  .fs-appbar { -webkit-backdrop-filter: none; backdrop-filter: none; background: var(--fs-color-canvas); }
  .fs-appbar__menu { display: inline-grid; }
  .fs-appbar__crumbs li:not(:last-child) { display: none; }
  .fs-appbar__crumbs li + li::before { display: none; }
  .fs-appbar__search { flex: 1 1 auto; min-width: 0; }
  .fs-appbar__search .fs-palette__keys { display: none; }
  .fs-appbar__search .fs-palette__input { padding-right: var(--fs-space-3); }
  .fs-user__name,
  .fs-user > i.rzi,
  .fs-appbar__divider { display: none; }
  .fs-tenant { max-width: 120px; }
  .fs-content { padding-top: var(--fs-space-5); }
}

@media (max-width: 560px) {
  .fs-appbar__crumbs-nav { display: none; }
  .fs-tenant i.rzi { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .fs-flyout,
  .fs-nav,
  .fs-frame { animation: none; transition: none; }
}

/* The app bar carries the breadcrumb trail on wide screens; a page header repeats it only where the app bar hides it. */
@media (min-width: 900px) {
  nav:has(> .fs-breadcrumbs) { display: none; }
}