body {
    font-family: Arial, sans-serif;
    background-color: #888;
    margin: 0;
    font-size: 16px;
    /* prevent chrome mobile from being stupid */
    -webkit-text-size-adjust: none;
}

#application {
    background-color: #fff;
    max-width: 800px;
    padding: 1em;
    margin: auto;
    user-select: none;
}

#application > img {
   filter: drop-shadow(2px 2px 1px #aaa);
}

h1, h3 {
    text-align: center;
}

tabbar {
    display: block;
}

tab {
    display: inline-block;
    border: 1px solid black;
    border-bottom-width: 0;
    padding: 0.5em 1em;
    margin: 0;
    background-color: #ddd;
    border-radius: 4px 4px 0 0;
    font-weight: bold;
}

tab.active {
    padding: calc(0.5em + 2px) 1em 0.5em 1em;
    position: relative;
    top: 1px;
}

tab:hover, tab.active {
    background-color: #fff;
}

tabcontent {
    display: grid;
    grid-template-columns: 50% 50%;
    grid-template-rows: 50px 50px 50px 50px 50px 50px;
    border: 1px solid black;
    border-radius: 0 0 4px 4px;
    padding: 3em;
}

/* Hide the "spinner" in number fields */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Firefox */
input[type=number] {
  -moz-appearance: textfield;
}

.modal {
    background-color: #fff;
}

.invalid {
    border-color: red;
}

div.description {
    color: #666;
}

@media (prefers-color-scheme: dark) {
    body {
        background-color: #111;
        color: #ccc;
    }

    #application {
        background-color: #333;
    }

    tab {
        background-color: #222;
    }

    tab:hover, tab.active {
        background-color: #333;
    }

    button, select {
        background-color: #333;
        color: #ccc;
        border-color: #3a3a3a;
    }
    input {
        background-color: #111;
        color: #ccc;
        border-color: #333;
    }
    #application > img {
       filter: drop-shadow(2px 2px 1px #000);
    }
    div.description {
        color: #888;
    }

    .modal {
        background-color: #333;
    }

}