* {
    font-family: Arial, Helvetica, sans-serif;
    box-sizing: border-box;
    background-color: var(--background);
    color: var(--foreground);
}

body {
    --background: #fff;
    --foreground: #000;
    --disabled: #999;
    --btnBackground: hsl(140, 82%, 44%);
    --btnForeground: #eee;
    --btnBackgroundActive: hsl(140, 82%, 36%);
    --border: #ddd;
    --borderActive: #777;
}

body.dark {
    --background: #121212;
    --foreground: #fff;
    --disabled: #666;
    --btnBackground: hsl(140, 82%, 34%);
    /* --btnForeground: #eee; */
    --btnBackgroundActive: hsl(140, 82%, 26%);
    --border: #444;
    --borderActive: #888;
}

body {
    font-size: 1.5rem;
}

input[type=text],
input[type=number],
select {
    color: var(--foreground);
    border: 0.125em solid var(--border);
    border-radius: 5px;
    padding: .25em .5em;
    margin-block: .5em;
    box-sizing: border-box;
}

input[type=text],
input[type=number] {
    display: block;
    width: 15em;
    transition: width 250ms ease-in-out;
    font-size: 1.2em;
}

select {
    font-size: 0.9em;
}

input[type=number] {
    width: 3em;
    -moz-appearance: textfield;
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type=text]:focus,
input[type=number]:focus {
    outline: none;
    border: 2px solid var(--borderActive);
}

input[type=text]:not(.noexpand):focus,
input[type=number]:not(.noexpand):focus {
    width: 100%;
}

input:disabled {
    color: var(--disabled);
}

button {
    background-color: var(--btnBackground);
    color: var(--btnForeground);
    border: none;
    outline: none;
    padding: .5em 1em;
    font-size: 1.2em;
    margin-block: .5em;
    border-radius: 5px;
    cursor: pointer;
}

button:hover, button:focus-visible {
    background-color: var(--btnBackgroundActive);
}

button:disabled {
    background-color: var(--disabled);
    cursor: default;
}

/* Settings menu */
body {
    display: flex;
    flex-direction: row;
    margin: 0;
    min-height: 100vh;
}

.main {
    padding: .5em;
    flex-grow: 1;
}

.settings {
    padding: .5em;
    /* width: fit-content; */
    padding-left: 3em;
    border-left: 3px solid var(--disabled);
    height: 100vh;
    margin: 0;
}

.settings div {
    margin-bottom: 1em;
}

@media screen and (max-width: 37.5em) {
    body {
        font-size: 1rem;
        flex-direction: column;
    }

    .settings {
        border-left: none;
        border-top: 3px solid var(--disabled);
        height: fit-content;
    }

    .settings div {
        margin-top: 0;
        margin-right: 3em;
        display: inline-block;
    }
}