/* Enterprise sidebar layout. Loaded after app.css to preserve AdminLTE behavior. */
.app-wrapper {
  --lte-sidebar-width: 16rem;
}

.app-sidebar {
  --lte-sidebar-width: 16rem;
  --sidebar-collapsed-width: 4.5rem;
  --sidebar-icon-width: 1.25rem;
  --sidebar-item-x: 0;
  --sidebar-tree-indent: 2.55rem;
  --sidebar-tree-padding: 0.65rem;
  --sidebar-tree-end-gap: 0.5rem;
  --sidebar-tree-border-width: 1px;
  --sidebar-surface: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
  --sidebar-accent: var(--color-accent);
  --sidebar-accent-soft: var(--color-accent);
  --sidebar-border: rgba(255, 255, 255, 0.06);
  --sidebar-heading: #fff;
  --sidebar-text: rgba(255, 255, 255, 0.7);
  --sidebar-muted: rgba(255, 255, 255, 0.7);
  background: var(--sidebar-surface) !important;
  border-right: none;
  box-shadow: none !important;
}

.sidebar-brand {
  min-height: 3.375rem;
  padding: 0.5rem 1rem;
  gap: 0.5rem;
  background: transparent;
  border-bottom: 1px solid var(--sidebar-border);
}

.sidebar-brand .brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-basis: 11.5rem;
  max-width: 11.5rem;
  color: var(--sidebar-heading) !important;
  font-size: 1.1rem;
  letter-spacing: 0;
}

.brand-mark {
  position: relative;
  display: inline-block;
  flex: 0 0 1.6rem;
  width: 1.6rem;
  height: 1.6rem;
}

.brand-mark span {
  position: absolute;
  top: 0.22rem;
  width: 0.58rem;
  height: 1.15rem;
  border-radius: 0.16rem;
  background: linear-gradient(145deg, #a5b4fc, #6366f1);
  transform: skewY(-18deg) rotate(-18deg);
}

.brand-mark span:first-child { left: 0.18rem; }
.brand-mark span:last-child {
  right: 0.14rem;
  top: 0.17rem;
  background: linear-gradient(145deg, #c7d2fe, #818cf8);
  transform: skewY(-18deg) rotate(-18deg);
}

.sidebar-toggle {
  width: 2rem;
  height: 2rem;
  color: rgba(255, 255, 255, 0.72);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 0.5rem;
}

.sidebar-toggle:hover,
.sidebar-toggle:focus-visible {
  color: var(--sidebar-heading);
  background: rgba(255, 255, 255, 0.08);
  border-color: transparent;
  box-shadow: none;
  outline: none;
}

.sidebar-toggle .bi {
  color: rgba(255, 255, 255, 0.72) !important;
  opacity: 1 !important;
}

.sidebar-navigation {
  padding: 0.5rem 0 1rem;
}

.sidebar-menu .nav-header {
  min-height: 1.75rem;
  height: 1.75rem;
  margin: 0.7rem 0 0.35rem !important;
  padding: 0 0.9rem !important;
  color: rgba(255, 255, 255, 0.5);
  opacity: 1;
  transition:
    min-height 0.28s cubic-bezier(0.2, 0.8, 0.2, 1),
    height 0.28s cubic-bezier(0.2, 0.8, 0.2, 1),
    margin 0.28s cubic-bezier(0.2, 0.8, 0.2, 1),
    padding 0.28s cubic-bezier(0.2, 0.8, 0.2, 1),
    opacity 0.16s ease;
}

.sidebar-menu .nav-header:first-child { margin-top: 0 !important; }

.sidebar-menu .nav-header::before {
  background: rgba(255, 255, 255, 0.12);
}

.sidebar-menu .nav-header span {
  color: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.sidebar-menu .nav-link {
  position: relative;
  width: auto;
  min-height: 2.625rem;
  height: 2.625rem;
  margin: 0.125rem 0;
  padding: 0.55rem 0.875rem 0.55rem 2rem !important;
  color: var(--sidebar-text);
  border-radius: 0.625rem;
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: none;
  overflow: hidden;
  transition:
    color 0.15s ease,
    background-color 0.15s ease,
    box-shadow 0.15s ease,
    grid-template-columns 0.28s cubic-bezier(0.2, 0.8, 0.2, 1),
    column-gap 0.28s cubic-bezier(0.2, 0.8, 0.2, 1),
    padding 0.28s cubic-bezier(0.2, 0.8, 0.2, 1),
    min-height 0.28s cubic-bezier(0.2, 0.8, 0.2, 1),
    height 0.28s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.sidebar-menu .nav-link:hover {
  color: var(--sidebar-heading);
  background: rgba(255, 255, 255, 0.08);
}

.sidebar-menu .nav-link:focus-visible,
.sidebar-user-toggle:focus-visible {
  outline: 2px solid rgba(99, 102, 241, 0.55);
  outline-offset: -2px;
}

.sidebar-menu .nav-link.active {
  color: var(--sidebar-heading) !important;
  background: var(--sidebar-accent-soft) !important;
  box-shadow: 0 2px 6px rgba(99, 102, 241, 0.35);
  font-weight: 500;
}

.sidebar-menu > .nav-item:has(> .nav-treeview) > .nav-link.active {
  background: transparent !important;
  box-shadow: none;
}

.sidebar-menu .nav-icon {
  width: var(--sidebar-icon-width);
  color: var(--sidebar-muted);
  font-size: 1.12rem;
}

.sidebar-menu .nav-link:hover .nav-icon { color: var(--sidebar-heading); }
.sidebar-menu .nav-link.active .nav-icon { color: #fff; }

.sidebar-menu .nav-link p {
  max-width: 10.5rem;
  color: inherit;
  font-size: 0.9rem;
}

.sidebar-menu .nav-arrow {
  position: absolute;
  top: 50%;
  right: 1rem;
  margin-top: 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.72rem;
  line-height: 1;
}

.sidebar-menu .menu-open > .nav-link .nav-arrow { color: #fff; }

.sidebar-menu .nav-treeview {
  position: relative;
  margin: 0.2rem var(--sidebar-tree-end-gap) 0.45rem var(--sidebar-tree-indent);
  padding-left: var(--sidebar-tree-padding);
  border-left: var(--sidebar-tree-border-width) solid var(--sidebar-border);
}

.sidebar-menu .nav-treeview .nav-link {
  min-height: 2.25rem;
  margin: 0.1rem 0;
  margin-right: calc(0px - var(--sidebar-tree-end-gap));
  margin-left: calc(0px - var(--sidebar-tree-indent) - var(--sidebar-tree-padding) - var(--sidebar-tree-border-width));
  padding: 0.45rem 0.55rem !important;
  padding-left: 3rem !important;
  color: var(--sidebar-muted);
  border-radius: 0.5rem;
}

.sidebar-menu .nav-treeview > .nav-item:first-child > .nav-link {
  margin-top: 0;
}

.sidebar-menu .nav-treeview > .nav-item:last-child > .nav-link {
  margin-bottom: 0;
}

.sidebar-menu .nav-treeview .nav-link.active {
  color: var(--sidebar-heading) !important;
  background: var(--sidebar-accent-soft) !important;
}

.sidebar-menu .nav-treeview .nav-icon {
  width: 0.75rem;
  font-size: 0.75rem;
}

.sidebar-user {
  display: block;
  height: 3.75rem;
  padding: 0.5rem 1rem;
  background: transparent;
  border-top: 1px solid var(--sidebar-border);
}

.sidebar-user-toggle {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  width: 100%;
  min-width: 0;
  min-height: 2.5rem;
  padding: 0.2rem 0.5rem;
  color: var(--sidebar-heading);
  border-radius: 0.625rem;
  transition:
    color 0.15s ease,
    background-color 0.15s ease,
    gap 0.28s cubic-bezier(0.2, 0.8, 0.2, 1),
    padding 0.28s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.sidebar-user-toggle:hover {
  color: var(--sidebar-heading);
  background: rgba(255, 255, 255, 0.08);
}

.sidebar-user.dropup .sidebar-user-toggle::after { display: none; }

.sidebar-user-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  color: #fff;
  background: linear-gradient(145deg, #a5b4fc, #6366f1);
  border-radius: 50%;
  font-size: 0.88rem;
  font-weight: 700;
}

.sidebar-user-identity {
  display: flex;
  flex: 1 1 auto;
  min-width: 0;
  flex-direction: column;
  line-height: 1.25;
  max-width: 9rem;
  opacity: 1;
  transform: translateX(0);
  transition:
    max-width 0.28s cubic-bezier(0.2, 0.8, 0.2, 1),
    opacity 0.16s ease,
    transform 0.28s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.sidebar-user-name {
  display: block;
  flex: 0 1 auto;
  max-width: 8rem;
  color: var(--sidebar-heading);
  font-size: 0.86rem;
  font-weight: 600;
}

.sidebar-user-role {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.7rem;
}

.sidebar-user-more {
  flex: 0 0 auto;
  max-width: 1rem;
  color: rgba(255, 255, 255, 0.5);
  font-size: 1rem;
  opacity: 1;
  transition: max-width 0.28s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.16s ease;
}

.sidebar-user-menu {
  border-radius: 0.75rem;
}

/* Compact rail keeps the existing AdminLTE persistence and flyout behavior. */
.sidebar-mini.sidebar-collapse.sidebar-without-hover .sidebar-brand {
  background: var(--sidebar-surface);
  padding-right: calc((var(--sidebar-collapsed-width) - 2rem) / 2);
  padding-left: calc((var(--sidebar-collapsed-width) - 2rem) / 2);
}

.sidebar-mini.sidebar-collapse.sidebar-without-hover .sidebar-menu .nav-link {
  overflow: visible;
}

.sidebar-mini.sidebar-collapse.sidebar-without-hover .sidebar-menu > .nav-item {
  width: 100% !important;
}

.sidebar-mini.sidebar-collapse.sidebar-without-hover .sidebar-menu .nav-header {
  min-height: 1px;
  height: 1px;
  margin: 0.6rem 0.25rem !important;
  padding: 0 !important;
}

.sidebar-mini.sidebar-collapse.sidebar-without-hover .sidebar-menu .nav-header:first-child {
  display: flex !important;
  min-height: 0;
  height: 0;
  margin: 0 !important;
  opacity: 0;
  visibility: hidden;
}

.sidebar-mini.sidebar-collapse.sidebar-without-hover .sidebar-menu > .nav-item > .nav-link {
  display: grid;
  align-items: center;
  grid-template-columns: var(--sidebar-icon-width) minmax(0, 0fr) !important;
  column-gap: 0;
  width: 100%;
  min-height: 3rem;
  height: 3rem;
  margin: 0.125rem 0;
  padding-top: 0 !important;
  padding-right: 0 !important;
  padding-bottom: 0 !important;
  padding-left: calc((var(--sidebar-collapsed-width) - 1rem - var(--sidebar-icon-width)) / 2) !important;
}

.sidebar-mini.sidebar-collapse.sidebar-without-hover .sidebar-menu > .nav-item > .nav-link .nav-icon {
  width: var(--sidebar-icon-width);
  margin: 0 !important;
}

.sidebar-mini.sidebar-collapse.sidebar-without-hover .sidebar-menu > .nav-item > .nav-link > p {
  display: block !important;
  width: 0 !important;
  max-width: 0 !important;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  transform: translateX(-0.4rem);
}

.sidebar-mini.sidebar-collapse.sidebar-without-hover .sidebar-menu > .nav-item:not(:has(> .nav-treeview)) > .nav-link[data-sidebar-label]::after {
  position: absolute;
  top: 50%;
  left: calc(100% + 0.65rem);
  display: none;
  width: max-content;
  padding: 0.38rem 0.55rem;
  content: attr(data-sidebar-label);
  color: #f8fafc;
  background: #0f172a;
  border-radius: 0.4rem;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.2);
  font-size: 0.75rem;
  font-weight: 500;
  transform: translateY(-50%);
  z-index: 1200;
}

.sidebar-mini.sidebar-collapse.sidebar-without-hover .sidebar-menu > .nav-item:not(:has(> .nav-treeview)) > .nav-link[data-sidebar-label]:hover::after,
.sidebar-mini.sidebar-collapse.sidebar-without-hover .sidebar-menu > .nav-item:not(:has(> .nav-treeview)) > .nav-link[data-sidebar-label]:focus-visible::after {
  display: block;
}

.sidebar-mini.sidebar-collapse.sidebar-without-hover .sidebar-menu > .nav-item > .nav-treeview {
  margin: 0 !important;
  padding: 0.45rem;
  background: var(--sidebar-surface) !important;
  border: 1px solid var(--sidebar-border);
  border-radius: 0.625rem;
  box-shadow: 0 12px 30px rgba(2, 6, 23, 0.28);
}

.sidebar-mini.sidebar-collapse.sidebar-without-hover .sidebar-menu > .nav-item > .nav-treeview .nav-link {
  color: var(--sidebar-text);
}

.sidebar-mini.sidebar-collapse.sidebar-without-hover .sidebar-menu > .nav-item > .nav-treeview .nav-link:hover {
  color: var(--sidebar-heading);
  background: rgba(255, 255, 255, 0.08);
}

.sidebar-mini.sidebar-collapse.sidebar-without-hover .sidebar-menu > .nav-item > .nav-treeview .nav-link.active {
  color: #fff !important;
  background: var(--sidebar-accent-soft) !important;
}

.sidebar-mini.sidebar-collapse.sidebar-without-hover .sidebar-user-toggle {
  justify-content: flex-start;
  gap: 0;
  padding-right: 0;
  padding-left: 0.1rem;
}

.sidebar-mini.sidebar-collapse.sidebar-without-hover .sidebar-user-identity,
.sidebar-mini.sidebar-collapse.sidebar-without-hover .sidebar-user-more {
  max-width: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
}

.sidebar-mini.sidebar-collapse.sidebar-without-hover .sidebar-user-identity {
  transform: translateX(-0.4rem);
}

@media (prefers-reduced-motion: reduce) {
  .app-sidebar,
  .sidebar-brand,
  .sidebar-brand .brand-link,
  .sidebar-menu .nav-link,
  .sidebar-menu .nav-link p,
  .sidebar-user-toggle,
  .sidebar-user-name {
    transition: none !important;
  }
}