body, html {
    height: 100%;
    margin: 0;
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #1363C6; /* Couleur de fond bleu foncé */
    color: #F4F7FE; /* Couleur du texte crème */
    overflow: hidden;
}
#container {
    text-align: center;
}
#message {
    font-size: 2em;
    margin-bottom: 20px;
}
#progress-bar {
    width: 50%;
    height: 30px;
    background-color: #F4F7FE;
    animation: fillBar 2.5s forwards;
}
@keyframes fillBar {
    from { width: 0; }
    to { width: 100%; }
}