/* ================================
   Global Layout
================================= */
html, body {
    height: 100%;
    overflow-x: auto;
}

:root {
    --mobile-header-height: 56px;
}

/* ================================
   Sidebar
================================= */
#sidebar {
    width: 280px;
    background-color: #212529;
    color: white;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

#sidebar ul.nav-pills {
    margin-bottom: auto;
}

@media (min-width: 768px) {
    #sidebar {
        position: fixed;
        top: 0;
        bottom: 0;
        left: 0;
        height: 100vh;
        overflow-y: auto;
    }

    #sidebar.collapsed {
        width: 4.5rem;
    }

    #sidebar.collapsed .nav-link span,
    #sidebar.collapsed .sidebar-header span,
    #sidebar.collapsed .dropdown-toggle strong,
    #sidebar.collapsed .dropdown-toggle::after {
        display: none;
    }

    #sidebar.collapsed .nav-link {
        justify-content: center;
        padding: 0.75rem 0.5rem;
    }

    #sidebar.collapsed .nav-link.active {
        background-color: #0d6efd;
        box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.1);
    }

    #sidebar .dropdown-menu {
        position: fixed !important;
        left: 4.5rem;
        z-index: 1050;
    }

    #sidebar:not(.collapsed) .dropdown-menu {
        position: absolute !important;
        left: auto;
    }

    #sidebar .dropdown {
        padding-bottom: 1rem;
    }
}

/* ================================
   Page Content
================================= */
#page-content {
    margin-left: 280px;
    transition: margin-left 0.3s ease;
}

@media (min-width: 768px) {
    #sidebar.collapsed ~ .flex-grow-1 #page-content {
        margin-left: 4.5rem !important;
    }
}

@media (max-width: 767.98px) {
    #page-content {
        margin-left: 0 !important;
    }
}

/* ================================
   Mobile Sidebar
================================= */
@media (max-width: 991.98px) {
    #sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: #212529;
        overflow-y: auto;
        opacity: 0;
        pointer-events: none;
        z-index: 1045;
        transition: opacity 0.3s ease;
    }

    #sidebar.show-sidebar {
        opacity: 1;
        pointer-events: auto;
    }
}

/* ================================
   Sticky Topbar
================================= */
.sticky-top {
    z-index: 1020;
}

@media (max-width: 767.98px) {
    .sticky-top {
        top: var(--mobile-header-height) !important;
    }

    header {
        height: var(--mobile-header-height);
    }

    .sticky-top > .container {
        max-width: 100% !important;
        width: 100%;
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* ================================
   Table Responsiveness
================================= */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table-responsive table {
    min-width: 600px;
    width: max-content;
}

.table-responsive th,
.table-responsive td {
    white-space: nowrap;
}

/* ================================
   Navigation Links
================================= */
.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    transition: background-color 0.2s;
    color: white;
}

.nav-link:hover,
.nav-link:focus {
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
    background-color: #0d6efd;
    color: white !important;
    font-weight: bold;
}

/* Ensure topbar content is aligned with page-content */
.topbar-inner {
    margin-left: 280px;
    transition: margin-left 0.3s ease;
}

@media (min-width: 768px) {
    #sidebar.collapsed ~ .flex-grow-1 .topbar-inner {
        margin-left: 4.5rem !important;
    }
}

@media (max-width: 767.98px) {
    .topbar-inner {
        margin-left: 0 !important;
    }
}