:root {
    --bg-color: #d9f1d3;
    --h1-color: #9EC383;
    --nav-text-color: #1C2C11;
    --accent-color: #3A5328;
    --border-color: #9EC383;
    --hover-color: #6A9749;
    --nav-bg: #1C2C11;
    --nav-text: #d9f1d3;
    --nav-active-bg: #6A9749;
    --nav-active-text: #1C2C11;
    --td-color: #c8e3ba;
    --question-color : #f5ffeb;
    --code-color : #eef5e9;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding-top: 135px;
    background-color: var(--bg-color);
    font-family: Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
main {
    flex: 1;
    width: 90%;
    margin: auto;
}
.navigation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 135px;
    background-color: var(--nav-bg);
    padding: 10px;
    text-align: center;
    box-shadow: 0 5px 10px;
    opacity: 95%;
    z-index: 999;
}



.navigation h1 {
    color: var(--h1-color);
    margin-bottom: 10px;
    font-weight: 600;
    letter-spacing: 1px;
    height: 15px;
}

.boutons{
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    padding: 10px;
    flex-wrap: wrap;

    a{
        color: var(--nav-text);
        padding: 10px 15px;
        margin: 15px;
        background-color: var(--nav-bg);
        text-decoration: none;
        border-radius: 9px;
        box-shadow: 0 1px 2px;
        outline: black;
        font-weight: bold;
        transition: 0.3s ease;
        display: inline-block;

    }

    a:hover {
        background-color: var(--hover-color);
        color: var(--nav-active-text);
        font-weight: bolder;
        transition: 0.3s ease;
        scale: 110%;
    }

    #actif{
        color : gray;
        box-shadow: 0 0 0;
    }

    #actif:hover{
        background-color: var(--nav-bg);
        font-weight: bold;
        box-shadow: 0 0 0;
        scale: 100%;
    }
}



#titre {
    text-align: center;
    font-size: 3rem;
}

main > div {
    margin: 50px auto;
}

main > div p {
    font-size: 1.1rem;
}

#tab {
    text-align: center;
}

.container {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
    box-shadow: 0 5px 10px;
    margin: 0 auto;

    thead {
        background-color: var(--hover-color);
        th {
            border: 1px solid var(--border-color);
            padding: 15px;
            text-align: center;
            color: black;
        }
    }

    tbody {
        background-color: var(--td-color);

        tr {
            transition: background-color 0.3s ease-in-out;
        }

        td {
        border: 1px solid var(--border-color);
        padding: 15px;
        text-align: center;
            a{
                color: black;
            }
        }

        tr:hover {
            background-color: var(--hover-color);
        }
    }
    caption {
        font-size: 1.3rem;
        margin-bottom: 10px;
        font-weight: bold;
    }
}


footer{
    position: relative;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50px;
    background-color: var(--hover-color);
    padding: 15px;
    text-align: center;
}

@media (max-width: 900px) {
    .navigation {
        height: auto;

    }
    .navigation h1 {
        font-size: 1rem;
    }

    .boutons {
        flex-direction: column;
        gap: 5px;
        padding: 0;
        margin: 0;
    }
    .boutons a{
        width: 85%;
        margin: 0;
        padding: 5px;
    }

    body {
        padding-top: 200px;
    }

    .container {
        display: block;
        width: 100%;
        max-width: 100%;
        th, td {
            font-size: 0.8rem;
            padding: 6px 4px;
            word-break: break-word;
            white-space: normal;
        }
    }
}

@media (max-width: 600px) {
    .navigation h1 {
        font-size: 1.3rem;
    }
    .boutons a {
        font-size: 0.9rem;
        padding: 5px;
    }
    body {
        padding-top: 200px;
    }
    .container {
        width: 100%;
        margin: 0 auto;
    }
}