document.addEventListener('DOMContentLoaded', () => {
    const toastEl = document.getElementById('liveToast');
    if (toastEl) {
        const toast = new bootstrap.Toast(toastEl);
        if (toastEl.dataset.autoshow === '1') {
            toast.show();
        }
    }

    const roleSelect = document.getElementById('roleSelect');
    if (roleSelect) {
        roleSelect.addEventListener('change', () => {
            const role = roleSelect.value;
            const url = new URL(window.location.href);
            url.searchParams.set('role', role);
            window.location.href = url.toString();
        });
    }

    const searchInput = document.getElementById('studentSearch');
    const tableRows = document.querySelectorAll('[data-student-row]');
    if (searchInput) {
        searchInput.addEventListener('input', () => {
            const query = searchInput.value.toLowerCase();
            tableRows.forEach((row) => {
                const hay = row.dataset.studentRow || '';
                row.style.display = hay.includes(query) ? '' : 'none';
            });
        });
    }
});