body {
    font-family: 'Inter', sans-serif;
    background-color: #f3f4f6;
}
.page {
    display: none;
}
.message-box {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    padding: 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
    transform: translateY(-20px);
    opacity: 0;
}
.message-box.show {
    transform: translateY(0);
    opacity: 1;
}