:root {
    --sidebar-width: 250px;
}

body {
    background-color: #f8f9fa;
    font-family: system-ui, sans-serif;
}

.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    background-color: #212529;
    transition: all 0.3s;
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.75);
    border-radius: 0.375rem;
    margin: 0.2rem 0.5rem;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.1);
}

.main-content {
    margin-left: var(--sidebar-width);
    padding: 2rem;
    transition: all 0.3s;
}

@media (max-width: 991.98px) {
    .sidebar {
        margin-left: calc(-1 * var(--sidebar-width));
    }

    .sidebar.show {
        margin-left: 0;
    }

    .main-content {
        margin-left: 0;
        padding: 1rem;
    }
}

.card {
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

table td, table th {
    vertical-align: middle;
}

.action-btn {
    margin-right: 4px;
}

#reportTabs .nav-link {
    cursor: pointer;
}