.error-message {
    position: fixed;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #ffe5e5;
    color: #b00020;
    padding: 20px 30px;
    border: 1px solid #b00020;
    border-radius: 8px;
    font-size: 18px;
    font-weight: bold;
    z-index: 9999;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}