* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
}

a:link, a:visited {
    color: #444;
}

h1 {
    margin: 10px 0;
    text-align: center;
}

p {
    margin-bottom: 1em;
}

header {
    margin: 10px;
}

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

#logo a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    color: black;
    text-decoration: none;
}

#logo img {
    width: 3em;
    height: 3em;
}

#logo span {
    font-size: 2em;
}

.invite {
    margin: 50px 0;
    text-align: center;
}

.choix-appli-wrapper {
    margin: 40px 0;
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 10px;
}

.choix-appli-wrapper a:link, .choix-appli-wrapper a:visited {
    text-decoration: none;
    color: black;
    max-width: 200px;
}

div.content {
    width: clamp(400px, 70%, 1200px);
    margin: 30px auto;
}

#resultat {
    background-color: #ffffff;
    position: sticky;
    top: 0;
    padding: 15px;
    display: flex;
    box-shadow: 0 5px 5px #ddd;
    justify-content: center;
    gap: 15px;
}

#resultat .decision {
    width: 100%;
}

#resultat div, .choix-appli-wrapper div {
    padding: 15px;
    border: 1px solid #ddd;
    text-align: center;
    min-width: 15%;
}

.choix-appli-wrapper div {
    height: 100%;
}

.choix-appli-wrapper div {
    transition: background-color 200ms;
}

.choix-appli-wrapper div:hover {
    background-color: #fafafa;
}

.choix-appli-wrapper div:active {
    background-color: #eeeeee;
}

#resultat div span, .choix-appli-wrapper span {
    font-size: 2em;
}

#resultat div p, .choix-appli-wrapper p {
    margin-top: 15px;
    margin-bottom: 0;
}

@media screen and (max-width: 1000px) {
    main {
        width: 100vw;
    }

    #resultat, .choix-appli-wrapper {
        position: static;
        flex-direction: column;
        align-items: center;
    }

    #resultat div, .choix-appli-wrapper a {
        width: clamp(300px, 60%, 700px);
    }

    div.table_wrapper {
        width: calc(100vw - 50px);
    }

    fieldset {
        width: calc(100vw - 40px);
    }
}

.info {
    padding: 10px;
    background-color: lightyellow;
    margin: 10px 10px;
    border: 1px solid #ddd;
}

form {
    margin: 10px;
}

fieldset {
    padding: 10px;
    margin: 20px 0;
    overflow: auto;
}

div.table_wrapper {
    overflow-x: auto;
    white-space: nowrap;
}

table {
    border-collapse: collapse;
}

td, th {
    padding: 5px;
}

th, tr.total td {
    border: 2px solid black;
}

td {
    border-top: 1px solid #bbb;
    border-bottom: 1px solid #bbb;
    border-left: 2px solid black;
    border-right: 2px solid black;
}

td.null {
    background-color: #bbb
}

tr.total {
    font-weight: bold;
    text-align: center;
}

tr:hover {
    background-color: #ffffdd;
}

.note {
    width: 60px;
    padding: 5px;
    border: none;
    background-color: #eee;
    font: large monospace;
}

.note:invalid, .note[value=""] {
    background-color: #ffdddd;
}

label {
    display: none;
}

footer {
    margin-top: 20px;
    padding: 10px;
    text-align: center;
}

del {
    color: #888;
}