.lts-app-shell {
  display: flex;
  min-height: 100vh;
  background: var(--lts-bg);
}

.lts-sidebar {
  flex: 0 0 250px;
  background: linear-gradient(
    180deg,
    var(--lts-navy) 0%,
    var(--lts-navy-dark) 100%
  );
  color: #cfd8f0;
  display: flex;
  flex-direction: column;
  box-shadow: 1px 0 0 rgba(255, 255, 255, 0.05) inset;
}

.lts-sidebar .brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 1.15rem 1.25rem;
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.02em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex: 0 0 auto;
}

.lts-sidebar .brand .brand-logo {
  width: 2.3rem;
  height: 2.3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.6rem;
  object-fit: contain;
  box-shadow: 0 4px 10px rgba(27, 79, 214, 0.45);
  flex: 0 0 auto;
}

.lts-sidebar .brand-text {
  font-size: 1.35rem;
}

.lts-sidebar nav {
  padding: 0.85rem 0.65rem;
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.18) transparent;
}

.lts-sidebar nav::-webkit-scrollbar {
  width: 6px;
}

.lts-sidebar nav::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.16);
  border-radius: 999px;
}

.lts-sidebar nav::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.28);
}

.lts-sidebar .nav-item {
  position: relative;
  margin-bottom: 0.15rem;
}

.lts-sidebar .nav-link {
  position: relative;
  color: #b9c4e6;
  padding: 0.55rem 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  border-radius: var(--lts-radius-sm);
  font-size: 0.89rem;
  font-weight: 500;
  line-height: 1;
  transition:
    background 0.15s ease,
    color 0.15s ease,
    transform 0.15s ease;
}






.lts-sidebar .nav-link i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.15rem;
  height: 1.15rem;
  line-height: 1;
  vertical-align: middle;
  text-align: center;
  font-size: 0.98rem;
  flex: 0 0 auto;
  color: #8b98c4;
  transition: color 0.15s ease;
}

.lts-sidebar .nav-link .nav-label {
  display: inline-flex;
  align-items: center;
  line-height: 1.2;
}

.lts-sidebar .nav-link:hover {
  background: rgba(255, 255, 255, 0.07);
  color: #fff;
  transform: translateX(1px);
}

.lts-sidebar .nav-link:hover i {
  color: #fff;
}

.lts-sidebar .nav-link.active {
  background: linear-gradient(
    90deg,
    rgba(63, 123, 255, 0.22) 0%,
    rgba(63, 123, 255, 0.08) 100%
  );
  color: #fff;
  font-weight: 600;
}

.lts-sidebar .nav-link.active::before {
  content: "";
  position: absolute;
  left: -0.65rem;
  top: 0.35rem;
  bottom: 0.35rem;
  width: 3px;
  border-radius: 999px;
  background: var(--lts-blue-light);
  box-shadow: 0 0 8px rgba(63, 123, 255, 0.7);
}

.lts-sidebar .nav-link.active i {
  color: var(--lts-blue-light);
}

.lts-main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.lts-content-body {
  padding: 1.5rem;
}



.lts-app-shell {
  transition: background 0.2s ease;
}

.lts-sidebar {
  width: 250px;
  min-width: 250px;
  flex-basis: 250px;
  transition:
    width 0.2s ease,
    min-width 0.2s ease,
    flex-basis 0.2s ease,
    transform 0.25s ease;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 40;
}

.lts-sidebar .brand-text {
  transition: opacity 0.15s ease;
}

.sidebar-collapsed .lts-sidebar {
  width: 76px;
  min-width: 76px;
  flex-basis: 76px;
}

.sidebar-collapsed .lts-sidebar .brand-text,
.sidebar-collapsed .lts-sidebar .nav-label,
.sidebar-collapsed .lts-sidebar .nav-section-title {
  display: none;
}

.sidebar-collapsed .lts-sidebar .nav-link {
  justify-content: center;
  padding-left: 0;
  padding-right: 0;
}

.lts-sidebar-backdrop {
  display: none;
}



.lts-sidebar-handle {
  position: sticky;
  top: 1.15rem;
  align-self: flex-start;
  z-index: 41;
  width: 1.6rem;
  height: 1.6rem;
  margin-left: -0.8rem;
  flex: 0 0 auto;
  border: 1px solid var(--lts-border);
  border-radius: 50%;
  background: #fff;
  color: var(--lts-navy, #1b3a8a);
  box-shadow: var(--lts-shadow-sm, 0 1px 2px rgba(16, 33, 77, 0.06));
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  padding: 0;
  cursor: pointer;
  transition:
    left 0.25s ease,
    transform 0.15s ease;
}

.lts-sidebar-handle:hover {
  transform: scale(1.08);
}

.sidebar-hidden .lts-sidebar {
  width: 0;
  min-width: 0;
  flex-basis: 0;
  overflow: hidden;
  box-shadow: none;
}

.sidebar-hidden .lts-sidebar-handle {
  margin-left: 0.6rem;
}

[data-theme="dark"] .lts-content-body {
  background: transparent;
}



@media (max-width: 991.98px) {
  .lts-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    box-shadow: var(--lts-shadow-lg);
  }
  .lts-sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(10, 15, 30, 0.45);
    z-index: 39;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
  }
  .mobile-nav-open .lts-sidebar-backdrop {
    opacity: 1;
    pointer-events: auto;
  }
}

@media (max-width: 767.98px) {
  .lts-content-body {
    padding: 1rem;
  }
}



.nav-section-title {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(207, 216, 240, 0.45);
  font-weight: 700;
  margin: 1.1rem 0.85rem 0.4rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.nav-item-sub .nav-link {
  padding-left: 2.55rem !important;
  font-size: 0.83rem;
}

.nav-item-sub .nav-link i {
  font-size: 0.82rem;
}

.sidebar-collapsed .nav-section-title {
  display: none;
}

.sidebar-collapsed .nav-item-sub .nav-link {
  padding-left: 0.85rem !important;
}







.lts-main-content {
  min-width: 0;
}

.lts-sidebar {
  width: var(--lts-sidebar-w);
  min-width: var(--lts-sidebar-w);
  flex-basis: var(--lts-sidebar-w);
  height: 100vh;
  height: 100dvh;
}

.sidebar-collapsed .lts-sidebar {
  width: var(--lts-sidebar-w-collapsed);
  min-width: var(--lts-sidebar-w-collapsed);
  flex-basis: var(--lts-sidebar-w-collapsed);
}

.lts-content-body {
  width: 100%;
  max-width: var(--lts-content-max);
  margin-inline: auto;
  padding: var(--lts-gutter);
}

@media (min-width: 992px) and (max-width: 1199.98px) {
  .lts-sidebar {
    --lts-sidebar-w: 232px;
  }

  .lts-sidebar .nav-link {
    font-size: 0.86rem;
  }
}

@media (min-width: 1200px) {
  .lts-content-body {
    padding: 1.75rem 2rem;
  }
}

@media (min-width: 1400px) {
  .lts-content-body {
    padding: 2rem 2.5rem;
  }
}


@media (max-width: 991.98px) {




  .lts-sidebar,
  .sidebar-collapsed .lts-sidebar,
  .sidebar-hidden .lts-sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: calc(-1 * var(--lts-sidebar-w-drawer) - 1.5rem);
    width: var(--lts-sidebar-w-drawer);
    min-width: 0;
    flex-basis: auto;
    overflow: visible;
    transform: none;
    visibility: hidden;
    transition:
      left 0.25s ease,
      visibility 0s linear 0.25s;
  }

  .mobile-nav-open .lts-sidebar {
    left: 0;
    transform: none;
    visibility: visible;
    transition:
      left 0.25s ease,
      visibility 0s;
  }


  .sidebar-collapsed .lts-sidebar .brand-text {
    display: inline;
  }

  .sidebar-collapsed .lts-sidebar .nav-label {
    display: inline-flex;
  }

  .sidebar-collapsed .lts-sidebar .nav-section-title {
    display: block;
  }

  .sidebar-collapsed .lts-sidebar .nav-link {
    justify-content: flex-start;
    padding-left: 0.85rem;
    padding-right: 0.85rem;
  }

  .sidebar-collapsed .nav-item-sub .nav-link {
    padding-left: 2.55rem !important;
  }

  .lts-sidebar nav {
    padding-bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
  }


  .lts-sidebar .nav-link {
    padding-top: 0.7rem;
    padding-bottom: 0.7rem;
  }
}

@media (max-width: 767.98px) {
  .lts-content-body {
    padding: 1rem 0.9rem 1.5rem;
  }
}

@media (max-width: 575.98px) {
  .lts-content-body {
    padding: 0.85rem 0.7rem 1.25rem;
  }

  .lts-sidebar,
  .sidebar-collapsed .lts-sidebar,
  .sidebar-hidden .lts-sidebar {
    width: min(300px, 90vw);
  }
}

@media (prefers-reduced-motion: reduce) {
  .lts-sidebar,
  .lts-sidebar-backdrop {
    transition: none !important;
  }
}