/*
 * Authoritative Fuhrio shell contract.
 * app.css remains a page-level compatibility layer; shell geometry lives here.
 */

.app-shell:not(.public-shell) {
  --shell-topbar-height: 64px;
  --shell-tabs-height: 0px;
  --shell-header-height: 64px;
  --shell-sidebar-width: 17rem;

  display: grid;
  grid-template-areas:
    "sidebar header"
    "sidebar main";
  grid-template-columns: var(--shell-sidebar-width) minmax(0, 1fr);
  grid-template-rows: var(--shell-header-height) minmax(0, 1fr);
  width: 100%;
  max-width: 100%;
  height: 100vh;
  height: 100dvh;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  overflow: clip;
  isolation: isolate;
  background: var(--bg, #ededed);
}

.app-shell:not(.public-shell) > .app-header {
  position: relative;
  grid-area: header;
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 0;
  height: var(--shell-header-height);
  overflow: visible;
  z-index: 30;
}

.app-shell:not(.public-shell) > .app-sidebar {
  position: relative;
  grid-area: sidebar;
  display: flex;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 0;
  height: 100%;
  align-self: stretch;
  flex-direction: column;
  padding: 1.25rem 1rem;
  border-right: 1px solid rgba(0, 32, 66, 0.36);
  background: var(--primary, #002855);
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  z-index: 40;
}

.app-shell:not(.public-shell) > .app-main {
  position: relative;
  grid-area: main;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 0;
  height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.app-shell:not(.public-shell) .app-topbar {
  display: flex;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: var(--shell-header-height);
  min-height: var(--shell-header-height);
  align-items: center;
  gap: 0.625rem;
  padding: 0 1.5rem;
  border-bottom: 1px solid var(--line, #d1d1d1);
  color: var(--text, #424242);
  background: var(--surface, #ffffff);
  box-shadow: 0 2px 12px rgba(0, 40, 85, 0.08);
  overflow: hidden;
}

.app-shell:not(.public-shell) .primary-tabs {
  display: none !important;
}

.app-shell:not(.public-shell) .drawer-toggle,
.app-shell:not(.public-shell) .topbar-brand {
  display: none;
}

.app-shell:not(.public-shell) .topbar-spacer {
  display: block;
  flex: 1 1 auto;
  min-width: 0;
}

.app-shell:not(.public-shell) .app-topbar > * {
  min-width: 0;
}

.app-shell:not(.public-shell) .user-chip {
  display: inline-flex;
  flex: 0 1 auto;
  max-width: min(22rem, 34vw);
  padding: 0.25rem 0.625rem 0.25rem 0.3rem;
  border: 1px solid var(--line, #d1d1d1);
  border-radius: var(--radius-md, 8px);
  color: var(--text, #424242);
  background: var(--surface, #ffffff);
}

.app-shell:not(.public-shell) .user-chip small {
  color: var(--text-muted, #666666);
}

.app-shell:not(.public-shell) .user-chip strong {
  color: var(--primary, #002855);
}

.app-shell:not(.public-shell) .user-avatar {
  width: 2rem;
  height: 2rem;
  border-radius: 0.375rem;
  color: var(--primary, #002855);
  background: var(--accent, #ffcd00);
}

.app-shell:not(.public-shell) .app-topbar .secondary-button {
  min-height: 2.25rem;
  padding: 0.4rem 0.75rem;
  border-color: var(--line, #d1d1d1);
  color: var(--primary, #002855);
  background: var(--surface, #ffffff);
  box-shadow: none;
}

.app-shell:not(.public-shell) .app-topbar .secondary-button:hover {
  border-color: var(--primary, #002855);
  color: var(--primary, #002855);
  background: rgba(0, 40, 85, 0.06);
}

.app-shell:not(.public-shell) .side-brand {
  flex: 0 0 auto;
  gap: 0.75rem;
  min-height: 3.25rem;
  padding: 0.25rem 0.375rem 1.125rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.app-shell:not(.public-shell) .side-brand .brand-icon {
  width: 2.5rem;
  height: 2.5rem;
  flex: 0 0 2.5rem;
  border: 0;
  border-radius: 0.5rem;
}

.app-shell:not(.public-shell) .side-brand strong {
  color: var(--color-white, #ffffff);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.app-shell:not(.public-shell) .side-brand small {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.72rem;
  font-weight: 600;
}

.app-shell:not(.public-shell) .main-nav {
  display: flex;
  flex: 1 0 auto;
  min-width: 0;
  min-height: 0;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1rem 0 1.5rem;
  overflow: visible;
}

.app-shell:not(.public-shell) .nav-section {
  display: block;
  flex: 0 0 auto;
  min-width: 0;
  border: 1px solid transparent;
  border-radius: var(--radius-md, 8px);
  background: transparent;
  overflow: hidden;
}

.app-shell:not(.public-shell) .nav-section.is-open,
.app-shell:not(.public-shell) .nav-section.is-active {
  border-color: rgba(255, 255, 255, 0.11);
  background: rgba(255, 255, 255, 0.055);
}

.app-shell:not(.public-shell) .nav-category-button {
  display: flex;
  width: 100%;
  min-width: 0;
  min-height: 2.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 0.625rem;
  padding: 0.625rem 0.75rem;
  border: 0;
  border-radius: var(--radius-md, 8px);
  color: rgba(255, 255, 255, 0.82);
  background: transparent;
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-align: left;
  text-transform: uppercase;
}

.app-shell:not(.public-shell) .nav-category-button:hover,
.app-shell:not(.public-shell) .nav-category-button.is-active {
  color: var(--color-white, #ffffff);
  background: rgba(255, 255, 255, 0.08);
}

.app-shell:not(.public-shell) .nav-category-button:focus-visible {
  outline: 2px solid var(--accent, #ffcd00);
  outline-offset: -2px;
}

.app-shell:not(.public-shell) .nav-category-button span:first-child {
  min-width: 0;
  overflow-wrap: normal;
  word-break: normal;
  hyphens: none;
}

.app-shell:not(.public-shell) .nav-category-chevron {
  flex: 0 0 auto;
  color: var(--accent, #ffcd00);
}

.app-shell:not(.public-shell) .nav-category-items {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 0.125rem;
  padding: 0.125rem 0.375rem 0.5rem;
}

.app-shell:not(.public-shell) .nav-category-items.is-collapsed {
  display: none;
}

.app-shell:not(.public-shell) .main-nav a.nav-item {
  display: flex;
  width: 100%;
  min-width: 0;
  min-height: 2.25rem;
  align-items: center;
  padding: 0.5rem 0.75rem 0.5rem 1rem;
  border: 1px solid transparent;
  border-radius: 0.375rem;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.25;
}

.app-shell:not(.public-shell) .main-nav a.nav-item:hover {
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--color-white, #ffffff);
  background: rgba(255, 255, 255, 0.08);
}

.app-shell:not(.public-shell) .main-nav a.nav-item.active {
  border-color: rgba(255, 205, 0, 0.5);
  color: var(--color-white, #ffffff);
  background: var(--primary-hover, #26486e);
  box-shadow: inset 3px 0 0 var(--accent, #ffcd00);
}

.app-shell:not(.public-shell) .page-content {
  width: min(90rem, calc(100% - 3rem));
  max-width: 100%;
  min-width: 0;
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.app-shell:not(.public-shell) .page-content > *,
.app-shell:not(.public-shell)
  :where(.metric-grid, .deadline-columns, .dashboard-main-grid, .table-panel, .table-scroll) {
  max-width: 100%;
  min-width: 0;
}

.app-shell:not(.public-shell) .table-scroll {
  overscroll-behavior-inline: contain;
}

.app-shell:not(.public-shell) > .drawer-scrim {
  display: none;
}

@media (max-width: 1023px) {
  .app-shell:not(.public-shell) {
    grid-template-areas:
      "header"
      "main";
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: var(--shell-header-height) minmax(0, 1fr);
  }

  .app-shell:not(.public-shell) > .app-sidebar {
    position: fixed;
    top: var(--shell-header-height);
    right: auto;
    bottom: 0;
    left: 0;
    width: min(19rem, calc(100vw - 2rem));
    max-width: 100%;
    height: auto;
    padding: 1rem 0.875rem;
    visibility: hidden;
    pointer-events: none;
    transform: translateX(-104%);
    transition:
      transform var(--transition-fast),
      visibility 0s linear 140ms;
    z-index: 40;
  }

  .app-shell:not(.public-shell) > .app-sidebar.is-open {
    visibility: visible;
    pointer-events: auto;
    transform: translateX(0);
    transition-delay: 0s;
  }

  .app-shell:not(.public-shell) > .drawer-scrim {
    position: fixed;
    top: var(--shell-header-height);
    right: 0;
    bottom: 0;
    left: 0;
    display: block;
    visibility: hidden;
    border: 0;
    opacity: 0;
    pointer-events: none;
    touch-action: none;
    background: rgba(0, 32, 66, 0.5);
    transition:
      opacity var(--transition-fast),
      visibility 0s linear 140ms;
    z-index: 35;
  }

  .app-shell:not(.public-shell) > .drawer-scrim.is-open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transition-delay: 0s;
  }

  .app-shell:not(.public-shell) .app-topbar {
    padding: 0 1rem;
  }

  .app-shell:not(.public-shell) .drawer-toggle {
    display: inline-grid;
    min-width: 2.5rem;
    min-height: 2.5rem;
    border-color: var(--line, #d1d1d1);
    color: var(--primary, #002855);
    background: var(--surface, #ffffff);
  }

  .app-shell:not(.public-shell) .topbar-brand {
    display: inline-flex;
    flex: 0 1 auto;
    max-width: 13rem;
    color: var(--primary, #002855);
  }

  .app-shell:not(.public-shell) .topbar-brand-icon {
    width: 1.75rem;
    height: 1.75rem;
  }

  .app-shell:not(.public-shell) .user-chip {
    display: none;
  }

  .app-shell:not(.public-shell) .side-brand {
    display: none;
  }

  .app-shell:not(.public-shell) .main-nav {
    padding-top: 0;
  }

  .app-shell:not(.public-shell) .page-content {
    width: auto;
    margin-right: 1.25rem;
    margin-left: 1.25rem;
    padding: 1.5rem 0 2.5rem;
  }
}

@media (max-width: 760px) {
  .app-shell:not(.public-shell) .app-topbar {
    gap: 0.5rem;
    padding: 0 0.75rem;
  }

  .app-shell:not(.public-shell) .topbar-brand {
    max-width: 10.5rem;
  }

  .app-shell:not(.public-shell) .topbar-action {
    min-width: 0;
    padding: 0.375rem 0.625rem;
    font-size: 0.78rem;
    white-space: nowrap;
  }

  .app-shell:not(.public-shell) .page-content {
    margin-right: 1rem;
    margin-left: 1rem;
  }
}

@media (max-width: 520px) {
  .app-shell:not(.public-shell) .topbar-password-action {
    display: none;
  }

  .app-shell:not(.public-shell) .page-content {
    margin-right: 0.75rem;
    margin-left: 0.75rem;
    padding-top: 1rem;
  }
}

@media (max-width: 380px) {
  .app-shell:not(.public-shell) .topbar-brand-name {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .app-shell:not(.public-shell) > .app-sidebar,
  .app-shell:not(.public-shell) > .drawer-scrim {
    transition: none;
  }
}