* {
    box-sizing: border-box;
}

body {
    font-family: sans-serif;
    margin: 0;
}

a:link, a:visited {
    color: blue;
    text-decoration: underline;
}

a:link:active, a:visited:active {
    color: darkblue;
}

header .bandeau {
    display: block;
    background-color: #333;
    color: white;
    padding: 10px;
}

header .bandeau form {
    display: inline;
}

header .bandeau button {
    border: none;
    background-color: gold;
    color: black;
    padding: 5px 10px;
    margin: 0 5px;
    border-radius: 3px;
}

header .bandeau button:hover {
    background-color: goldenrod;
}

header .bandeau button:active {
    background-color: darkgoldenrod;
}

.navbar {
    background-color: #eee;
    display: flex;
    flex-direction: column;
}

.navbar .block {
    display: flex;
    flex-direction: column;
    text-align: center;
}

@media screen and (min-width: 400px)
{
    .navbar {
        padding: 0 10px;
        flex-direction: row;
        justify-content: space-between;
    }

    .navbar .block {
        flex-direction: row;
        gap: 0 10px;
    }
}

.navbar a:link, .navbar a:visited {
    color: black;
    text-decoration: none;
}

.navbar .link {
    background: none;
    border: none;
    font: inherit;
    padding: 10px;
    cursor: pointer;
}

.navbar .link:hover {
    background-color: #ddd;
}

main {
    margin: 0 auto;
    width: clamp(350px, 60%, 1200px);
    background-color: white;
    padding: 10px;
}

h1 {
    text-align: center;
}

form.login table {
    margin: auto;
}

form.login input[type=text], form.login input[type=password] {
    padding: 5px;
    border: none;
    background-color: #eee;
}

form.login button {
    border: none;
    padding: 10px;
    background-color: dodgerblue;
    border-radius: 5px;
    color: white;
    display: block;
    margin: 15px auto;
}

form.login button:hover {
    background-color: #0483ff;
}

form.login button:active {
    background-color: #0077ea;
}

nav.semaine {
    width: 100%;
    display: flex;
    background-color: #ddd;
    justify-content: center;
}

nav.semaine .select, nav.semaine .label {
    padding: 5px;
    text-align: center;
}

nav.semaine .select {
    background-color: dodgerblue;
    color: white;
    width: 1em;
}
nav.semaine .select:hover { background-color: #0077ea; }

nav.semaine .label:hover {
    background-color: #ccc;
}

p.programme {
    border-left: 5px solid gold;
    padding: 10px;
    background-color: #ffffdd;
}

footer {
    text-align: center;
    margin: 20px 0;
}


.week {
    background-color: dodgerblue;
    color: white;
    padding: 5px 10px;
    border-radius: 5px;

    transition: background-color 200ms;
}

.week a, .week a:hover, .week a:active {
    color: white;
    text-decoration: none;
}

.week:hover {
    background-color: #0077ea;
}

.week.empty {
    background-color: gray;
}

.colle-wrapper {
    display: grid;
    gap: 15px;
}

@media screen and (min-width: 400px)
{
    .colle-wrapper {
        grid-template-columns: repeat(3, minmax(100px, 1fr));
    }
}

.colle {
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 3px 6px rgba(0,0,0,0.04),0 3px 6px rgba(0,0,0,0.0575);

    transition: transform 200ms, background-color 200ms;
}

.colle:hover {
    background-color: #fafafa;
    transform: rotate(1deg);
}

.colle span {
    text-align: center;
}

.colle ul {
    padding: 0;
    margin: 0;
}

.colle li {
    list-style-type: none;
}

.colle form {
    display: inline;
}

.colle button {
    padding: 5px;
    border: none;
    background-color: #c0392b;
    color: white;
    border-radius: 5px;
}

.colle button:hover {
    background-color: #a93226;
}

.colle button:active {
    background-color: #922b21;
}