/* Sidebar Responsive Behavior */
@media (max-width: 768px) {
    /* Sidebar becomes an overlay on mobile */
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        z-index: 1050; /* Above everything */
        width: 18rem;
        transition: transform 0.3s ease-in-out;
        box-shadow: 4px 0 15px rgba(0,0,0,0.3);
    }

    /* Content wrapper takes full width on mobile */
    .content {
        margin-left: 0 !important; /* Override inline styles from Dash */
        width: 100%;
        padding-top: 60px; /* Space for sticky header if needed */
    }
    
    /* Toggle button visibility */
    #btn-sidebar-toggle {
        display: block !important;
    }
}

/* General Utilities */
@media (max-width: 576px) {
    .card-body {
        padding: 1rem;
    }
    
    h2, .h2 { font-size: 1.5rem; }
    h3, .h3 { font-size: 1.3rem; }
    h4, .h4 { font-size: 1.2rem; }
    h5, .h5 { font-size: 1.1rem; }
}