/* Sidebar Navigation Styles */

/* Desktop sidebar - fixed position */
@media (min-width: 768px) {
  .sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    padding: 48px 0 0;
    box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
  }

  /* Hide offcanvas header on desktop */
  .sidebar .offcanvas-header {
    display: none;
  }

  /* Make offcanvas-body visible and properly positioned on desktop */
  .sidebar #sidebarMenu {
    position: relative;
    top: 48px;
    height: calc(100% - 48px);
  }

  .sidebar .offcanvas-body {
    padding: 0 !important;
    display: flex !important;
    height: 100%;
  }

  .sidebar .offcanvas-body .nav {
    margin-top: 0;
    padding-top: 0.5rem;
  }

  /* Ensure first nav item is visible below header */
  .sidebar .offcanvas-body .nav .nav-item:first-child {
    margin-top: 0;
  }
}

.sidebar-sticky {
  height: calc(100vh - 48px);
  overflow-x: hidden;
  overflow-y: auto;
}

.sidebar .nav-link {
  font-weight: 500;
  color: #333;
  padding: 0.5rem 1rem;
}

.sidebar .nav-link:hover {
  color: #0d6efd;
  background-color: #f8f9fa;
}

.sidebar .nav-link.active {
  color: #0d6efd;
  background-color: #e7f1ff;
}

.sidebar .nav-link i {
  margin-right: 0.5rem;
}

.sidebar-heading {
  font-size: .75rem;
  text-transform: uppercase;
}

/* Navbar */
.navbar-brand {
  padding-top: .75rem;
  padding-bottom: .75rem;
  background-color: rgba(0, 0, 0, .25);
  box-shadow: inset -1px 0 0 rgba(0, 0, 0, .25);
}

/* Main content area */
main {
  padding-top: 1rem;
}

/* Collapsible nav sections */
.nav-link[data-bs-toggle="collapse"]::after {
  content: "";
  transition: transform 0.2s ease-in-out;
}

.nav-link[data-bs-toggle="collapse"]:not(.collapsed) i.bi-chevron-down {
  transform: rotate(180deg);
}

/* Nested nav items */
.collapse .nav {
  padding-left: 0.5rem;
}

.collapse .nav-link {
  font-size: 0.9rem;
  padding: 0.4rem 1rem;
}