/* Breakpoints shared across the app (mobile layout) */
@media (max-width: 768px) {

    .header {
        visibility: visible;
        height: 55px;
        border-bottom: 1px solid #FFFFFF33;
        display: flex;
        justify-content: center;
        align-items: center;
        margin-bottom: 20px;
    }

    .header > p {
        font-size: 2rem;
    }

    .sidebar {
        position: fixed;
        height: 100%;
        z-index: 1000;
        transform: translateX(-100%);
        min-width: 100vw;
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .toggle-btn {
        display: block;
    }

    .content {
        padding: 20px;
    }

    .certificates-table th,
    .certificates-table td {
        padding: 10px 15px;
    }

    .pems-container-cards {
        grid-template-columns: 1fr;
    }

    .certs-grid {
        grid-template-columns: 1fr;
    }

    .pem-card {
        padding: 15px;
    }

    .pem-card h3 {
        font-size: 1rem;
    }

    .pem-card p {
        font-size: 0.9rem;
    }
}