/* Light Mode */
:root[color-mode="light"] {
    --pageBackground: #ffffff;
    --boxBackground: rgb(250, 250, 250);
    --boxBorder: rgb(225, 225, 225);
    --textColor: #000;
    --numericBackground: white;
    --numericBorder: rgb(182, 182, 182);
    --buttonBackground: white;
    --buttonBorder: rgb(225, 225, 225);
    --calcDarkBg: rgb(240, 240, 240);
    --calcLightBg: rgb(250, 250, 250);
    --calcBorder: rgb(225, 225, 225);
    --bitLabelColor: rgb(65, 65, 65);
    --colorBitColor: rgb(120, 0, 0);
    --setBitColor: rgb(130, 0, 0);
    --setBitPulseColor: rgb(255, 26, 26);
    --clearedBitColor: #d2d0d0;
    --linkColor: rgb(131, 83, 83);
    --tableEvenRowColor: rgb(240, 240, 240);
    --invalidColor: rgb(254, 43, 43);
}

/* Dark Mode */
:root[color-mode="dark"] {
    --pageBackground: #1d1d25;
    --boxBackground: #2b2b38;
    --boxBorder: #53536f;
    --textColor: rgb(214, 214, 214);
    --numericBackground: #424257;
    --numericBorder: #585874;
    --buttonBackground: #585874;
    --buttonBorder: #69698a;
    --calcDarkBg: #2b2b38;
    --calcLightBg: #333342;
    --calcBorder: #585874;
    --bitLabelColor: rgb(189, 189, 189);
    --colorBitColor: rgb(255, 56, 56);
    --setBitColor: rgb(255, 56, 56);
    --setBitPulseColor: rgb(255, 255, 255);
    --clearedBitColor: #131313;
    --linkColor: rgb(255, 88, 88);
    --tableEvenRowColor: #2e2e3b;
    --invalidColor: rgb(190, 0, 0);
}

/*******************/

html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
    background-color: var(--pageBackground, #ffffff);
    color: var(--textColor, #000);

    -webkit-transition: 0.25s ease background-color, ease 0.25s border-color;
    -moz-transition: 0.25s ease background-color, ease 0.25s border-color;
    -ms-transition: 0.25s ease background-color, ease 0.25s border-color;
    transition: 0.25s ease background-color, ease 0.25s border-color;
}

body {
    font-family: 'Ubuntu', sans-serif;
    font-weight: 200;
    
    display: grid;
    grid-template-rows: [header] auto [maincontent] 1fr [footer] auto;
}

h1 {
    font-weight: 300;
    font-size: 2em;
    margin: 0;
}

h2 {
    font-weight: 400;
    font-size: 1.5em;
    text-align: center;
}

h3 {
    font-weight: 400;
    font-size: 1.2em;
    text-align: center;
    margin: 0.5em 0.25em;
}

p {
    line-height: 1.75em;
}

a {
    color: rgb(131, 83, 83);
    color: var(--linkColor, rgb(131, 83, 83));
    display:inline-block;
}

li {
    padding-bottom: 0.5em;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

th,td {
    text-align: left;
    padding: 6px 8px;
    border-bottom: 1px solid rgb(216, 216, 216);
    vertical-align: top;
}

input[type="text"] {
    font-size: 1em;
    box-sizing: border-box;
    color: black;
    color: var(--textColor, black);
}

input[type=checkbox] {
    transform: scale(1.25);
}

textarea {
    width: 99%;
    min-height: 170px;
    resize: vertical;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(9, 12, 30, 0.7);
    color: var(--text);
    font-family: ui-monospace, monospace;
    font-size: 0.8em;
    text-transform: uppercase;
}

button {
    padding: 0.5em 1em;
    margin: 0.25em;
    display: inline-block;

    text-align: center;
    text-decoration: none;
    font-family: 'Ubuntu', sans-serif;
    font-weight: 300;
    font-size: 1em;

    color: black;
    color: var(--textColor, black);
    background-color: var(--buttonBackground, white);
    border-radius: 0.5em;
    border: 1px solid var(--buttonBorder, inherit);

    -webkit-transition: 0.25s ease background-color, ease 0.25s border-color;
    -moz-transition: 0.25s ease background-color, ease 0.25s border-color;
    -ms-transition: 0.25s ease background-color, ease 0.25s border-color;
    transition: 0.25s ease background-color, ease 0.25s border-color;
}



/**************/

#logo {
    font-size: 2em;
    font-weight: 400;
    align-self: center;
    grid-column-start: 2;
}

#title {
    grid-column-start: 4;
}

#header {
    border-bottom: 3px solid rgb(168, 0, 0);
    grid-row: header;
    padding: 1em;
}

#titlebar {
    display: grid;
    grid-template-columns: 1fr 3em 1em auto 4em 1fr;
    align-content: center;
    text-align: center;
}

#content {
    grid-row: maincontent;
    display: grid;
    grid-template-columns: 0.5em [midsect] auto 0.5em;
}

#content-inner {
    grid-column: midsect;
    display: grid;
    grid-template-areas: "calculator" "sidebar";
}

#calculator {
    padding: 0 1em;
}

#sidebar {
    display: grid;
    justify-content: center;
    padding: 1em;
}

#footer {
    border-top: 2px solid rgb(168, 0, 0);
    grid-row: footer;
}

#footer p {
    font-size: 0.75em;
    text-align: center;
}

/******/

.center {
    text-align: center;
}

.smallText {
    font-size: 0.75em;
}

/******/

.grid {
    display: grid;
    gap: 12px;
    grid-template-columns: 1fr;
}

.box {
    margin-bottom: 0.75em;
    border: 1px solid var(--boxBorder, gb(225, 225, 225));
    border-radius: 0.5em;
    padding: 12px;
    background-color: var(--boxBackground, rgb(250, 250, 250));

    -webkit-transition: 0.25s ease background-color, ease 0.25s border-color;
    -moz-transition: 0.25s ease background-color, ease 0.25s border-color;
    -ms-transition: 0.25s ease background-color, ease 0.25s border-color;
    transition: 0.25s ease background-color, ease 0.25s border-color;
}

.boxInner {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0.5em;
}

.boxInner p {
    flex-grow: 1;
    text-align: center;
    margin: 0.5em;
}


/******/

.numericEntry {
    border: 1px solid rgb(225, 225, 225);
    border: 1px solid var(--calcBorder, rgb(225, 225, 225));
    border-radius: 0.5em;
    background-color: rgb(250, 250, 250);
    background-color: var(--numericBackground, rgb(250, 250, 250));
    padding: 0.25em;
    margin-top: 0.25em;
}

.numericEntry:not(.numericEntryInvalid) {
    -webkit-transition: 0.5s ease all;
    -moz-transition: 0.5s ease all;
    -ms-transition: 0.5s ease all;
    transition: 0.5s ease all;
}

.numericEntryInvalid {
    outline-color: var(--invalidColor);
    border-color: var(--invalidColor);
    color: var(--invalidColor);
}


.setting {
    padding: 1em 2em;
}

.setting input {
    vertical-align: bottom;
    position: relative;
    margin-right: 1em;
}



/* 1008px */
@media (min-width: 80em) {
    #content {
        width: 90%;
        max-width: 108em;
        margin: 0 auto;
    }

    h2 {
        text-align: left;
    }
}

/* 704 px */
@media (min-width: 56em) {
    #calcInput {
        grid-template-rows: 1fr;
        grid-template-columns: repeat(3, 1fr) 2fr;
        grid-gap: 1em;
    }

    .grid {
        grid-template-columns: 1fr 1fr;
    }

    #binInput {
        grid-template-areas: "byte byte";
    }
}

/* 512 px */
@media (min-width: 40em) {
    #content {
        grid-template-columns: 2em [midsect] auto 2em;
    }

    .boxInner {
        flex-direction: row;
    }

    .setting {
        padding: 0em 2em;
    }

    #calculator {
        padding: 0 1em;
    }

}