body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-color: #ccbea9;
    font-family: sans-serif;
}

.hidden { 
    display: none !important; 
}

#start-modal, 
#end-modal, 
#auth-modal {
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%;
    background: rgba(0, 0, 0, 0.6); 
    display: flex;
    justify-content: center; 
    align-items: center; 
    z-index: 100; 
    border-radius: 1.5cqw;
}

.modal-content {
    background: white; 
    padding: 3cqw; 
    border-radius: 1.2cqw; 
    text-align: center; 
    font-size: 1.5cqw;
    box-shadow: 0px 1cqw 3cqw rgba(0, 0, 0, 0.5);
}

.modal-content h2 {
    margin-top: 0;
    font-size: 3cqw;
}