/* 

    Title

*/

h1.title{
    font-size:50px; 
    padding: 40px 50px 20px 50px;
    
}

h1.title::after{
    content:' ';
    display:block;
    border:2px solid black;
    margin-top: 10px;
}


/* 

    Énoncé

*/

.enonce{
    line-height: 26px;
    margin: 20px;
    padding: 10px; 
    border: 1px solid black;
    box-shadow: 6px 6px 10px -1px rgba(0, 0, 0, 0.15),
                -6px -6px 10px -1px rgba(255, 255, 255, 0.7);
}
.enonce h2.subtitle{
    font-size: 24px;
    padding: 0 10px;
}

.enonce h2.subtitle::after{
    content:' ';
    display:block;
    border:1px solid black;
    margin-top: 10px;
}
.enonce p.text{
    font-size: 16px;
    padding: 0 20px;
}
/* 

    Collapsible : Indications, question intermédiaires, solutions

*/
ul.collapsible{
    width: 100%;
    margin: 0;
    padding: 0;
    
}

ul.collapsible li.collapsible{
    list-style: none;
    margin: 20px;
    padding: 20px; 
    border-radius: 8px;
    background: lightgrey;
    box-shadow: 6px 6px 10px -1px rgba(0, 0, 0, 0.15),
                -6px -6px 10px -1px rgba(255, 255, 255, 0.7);
}

ul.collapsible li.collapsible label{
    display: flex;
    align-items: center;
    padding: 20px;
    font-size: 24px;
    font-weight: 500;
    cursor: pointer;
}

ul.collapsible li.collapsible label:hover{
   color: rgb(44, 103, 151);
}

ul.collapsible .content{
    padding: 0 10px;
    line-height: 26px;
    max-height: 0;
    overflow: hidden;
    transition: padding 0.5s, max-height 0.5s;
}
ul.collapsible input[type="checkbox"]:checked + label + .content{
    max-height: 100vh;
    padding: 10px 20px 20px;
}

input[name="hide"]{
    display: none;
}


/* 

    Références

*/

.refs{
    font-style: italic;
}