main.css

html {
    height: -webkit-fill-available; /* replace with stretch when standardized */
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-height: -webkit-fill-available; /* replace with stretch when standardized */
    font-family: Roboto, sans-serif;
    line-height: 1.5;
    letter-spacing: 0.009375rem;
    background-color: #f6fafe;
    color: #241f31;
    margin: 0;
    padding: 0;
    overflow-y: scroll;
}

a {
    color: #1a5fb4;
    text-decoration: underline;
}

a:visited {
    color: #613583;
}

footer a, footer a:visited {
    color: #616161; /* grey500 */
}

footer img {
    width: 60px;
    height: auto;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

footer {
    margin-top: auto;
    margin-left: auto;
    margin-right: auto;
    padding: 1em;
    max-width: 100vw;
    overflow-wrap: break-word;
    text-align: center;
}

h1 a, h1 a:visited, h2 a, h2 a:visited, h3 a, h3 a:visited, h4 a, h4 a:visited, h5 a, h5 a:visited, h6 a, h6 a:visited {
    color: #241f31;
}

h1 {
    /* Display small */
    font-size: 2.25rem;
    line-height: 2.75rem;
    letter-spacing: 0;
}

h2 {
    /* Headline small */
    font-size: 1.5rem;
    line-height: 2rem;
    letter-spacing: 0;
}

h3 {
    /* Title large */
    font-size: 1.375rem;
    line-height: 1.75rem;
    letter-spacing: 0;
}

h4 {
    /* Title medium */
    font-size: 1rem;
    line-height: 1.5rem;
    letter-spacing: 0.009375rem;
}

h5 {
    /* Title small */
    font-size: 0.875rem;
    line-height: 1.25rem;
    letter-spacing: 0.00625rem;
}

h6 {
    /* Label small */
    font-size: 0.6875rem;
    line-height: 1rem;
    letter-spacing: 0.03125rem;
}

em {
    font-weight: bold;
}

code, pre {
    background-color: #e0e2ec; /* surface-variant */
    color: #44474e; /* on-surface-variant */
    font-family: "Roboto Mono", monospace;
    font-size: 0.875rem; /* body-medium.size */
    letter-spacing: 0.015625rem; /* body-medium.tracking */
    line-height: 1.25rem; /* body-medium.line-height */
}

pre {
    border-radius: 12px;
    border: 1px solid #74777f /* outline */;
    overflow-x: auto;
    padding: 0.875rem;
}

code {
    border-radius: 8px;
}

p code {
    padding: 0 2px;
}

var {
    color: #a51d2d;
}

.coin-address {
    display: block;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.coin-address img {
    image-rendering: pixelated;
    width: 180px;
    height: 180px;
    border-radius: 16px;
}

#secureblue a {
    text-decoration: none;
}

#site-menu ul li a {
    color: #fff;
    display: flex;
    text-decoration: none;
    padding: 1em;
    align-items: center;
}

#secureblue a:hover {
    text-decoration: underline;
}

main {
    margin-left: auto;
    margin-right: auto;
    padding: 1em;
    max-width: 832px;
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
    overflow-wrap: break-word;
}

main img {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    display: block;
}

ul ul {
    padding-left: 20px;
}

#social li {
    display: inline-block;
    padding: 0 0.5em;
}

#site-menu ul {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    margin: 0;
    padding: 0;
}

#site-menu {
    background-color: #241f31;
    white-space: nowrap;
}

#site-menu ul li {
    list-style-type: none;
    display: flex;
}

#site-menu ul li:hover {
    background-color: #343147;
}


#site-menu ul li a:visited {
    color: #fff;
}

#site-menu ul li[aria-current] a {
    color: #76c9f6;
}

#site-menu ul li[aria-current]:hover a {
    color: #aedff9;
}

#site-menu img {
    height: 1.8rem;
    width: 1.8rem;
    vertical-align: middle;
    margin-right: 0.5rem;
}

#site-menu ul li img {
    filter: grayscale(1);
}

#site-menu ul li[aria-current] img {
    filter: none;
}

button, select, option, input, select, textarea {
    font-family: inherit;
}

button, select, .button, .button:visited {
    color: white;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.009375rem;
    background-color: #0b7bb7;
    border-radius: 100px;
    border: none;
    padding: 16px 24px;
    margin: 0.25rem;
    cursor: pointer;
}

select {
    appearance: none;
    background-image: url("/assets/arrow-drop-down-light.svg");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 24px 24px;
    padding-right: 40px;
}

.select-group {
    display: flex;
    flex-wrap: wrap;
}

.select-group > div {
    flex: 1;
    flex-grow: 0;
    min-width: 250px;
}

button:hover, select:hover, .button:hover {
    background-color: #086ba1;
}

button:focus, select:focus, .button:focus {
    background-color: #075e8d; /* button pressed on Android */
    box-shadow: inset 0 2px 4px -1px rgba(0 0 0 / 20%), inset 0 4px 5px 0 rgba(0 0 0 / 14%), inset 0 1px 10px 0 rgba(0 0 0 / 12%);
}

button:disabled, select:disabled {
    background-color: rgb(26 27 30 / 12%);
    color: rgb(26 27 30 / 38%);
    cursor: not-allowed;
}

.button, .button:visited, .button:hover, .button:active {
    text-decoration: none;
    padding-top: 16px;
    padding-bottom: 16px;
    line-height: 3.8rem;
}

#social {
    line-height: 2;
    margin-top: 2em;
    padding: 0;
    list-style-type: none;
    max-inline-size: 60ch;
}

.error-text {
    /* Baseline Material error color */
    color: #b00020;
}

.table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 1.5rem 0;
    border-radius: 12px;
    background-color: #fff;
    border: 1px solid rgba(118, 118, 118, 0.5);
}

.table-container table {
    width: 100%;
    border-collapse: collapse;
    overflow: hidden;
}

.table-container th,
.table-container td {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(118, 118, 118, 0.5);
    border-right: 1px solid rgba(118, 118, 118, 0.5);
    color: #241f31;
    font-size: 0.9rem;
    letter-spacing: 0.00225rem;
    text-align: left;
}

.table-container th:last-child,
.table-container td:last-child {
    border-right: none;
}

.table-container tr:last-child td {
    border-bottom: none;
}

.table-container th {
    background-color: #f5f5f5;
    font-weight: 600;
}

.table-container td {
    font-weight: 200;
}

main.normalize {
    max-width: 100%;
    margin: 0;
    padding: 0;
}

.content {
    max-width: 832px;
    margin: auto;
    padding: 3.5rem 1rem;
}

.hero {
    display: flex;
    align-items: center;
    flex-flow: row nowrap;
    justify-content: space-between;
    max-width: 832px;
    margin-left: auto;
    margin-right: auto;
    padding: 3.5rem 1rem;
}

.hero h1 {
    margin: 0;
    line-height: 1;
}

.device-img {
    margin: 0 0 0 2rem;
    position: relative;
}

.laptop-logo-img {
    position: absolute;
    top: 44%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.surface {
    background-color: #e6e6e6;
    width: 100%;
}

.start {
    margin-top: 0;
}

.end {
    margin-bottom: 0;
}

.break p {
    text-align: center;
    line-height: 1rem;
    margin: 0;
}

.notice {
    border-radius: 12px;
    border: 1px solid #74777f /* outline */;
    background-color: #dae2f9 /* secondary container */;
    color: #121c2b /* on secondary container */;
    padding: 1em;
    margin-block: 1em;
}

.notice-heading {
    margin-block-start: 0;
}

.notice-heading::before {
    content: "ⓘ ";
}

.notice pre {
    margin-block-end: 0;
}

details {
    border: 1px solid #74777f /* outline */;
    border-radius: 12px;
    padding: 0.5em 0.5em 0;
}

summary {
    font-weight: bold;
    margin: -0.5em -0.5em 0;
    padding: 0.5em;
}

summary:hover {
    cursor: pointer;
}

details[open] {
    padding: 0.5em;
}

details[open] summary {
    border-bottom: 1px solid #74777f /* outline */;
    margin-bottom: 0.5em;
}

.alert {
    border-radius: 4px;
    border-left: 4px solid;
    padding: 12px 5px 12px 16px;
    margin: 1em 0;
}

.alert p {
    margin: 0;
    flex: 1;
}

.alert em:last-child {
    display: flex;
    align-items: baseline;
    margin-bottom: 0.5em;
}

.alert svg {
    margin-right: 8px;
}

.note {
    background-color: rgba(68, 147, 248, 0.08);
    border-left-color: #4493f8;
    fill: #4493f8;
}

.tip {
    background-color: rgba(88, 166, 255, 0.08);
    border-left-color: #58a6ff;
    fill: #58a6ff;
}

.important {
    background-color: rgba(171, 125, 248, 0.08);
    border-left-color: #ab7df8;
    fill: #ab7df8;
}

.warning {
    background-color: rgba(210, 153, 34, 0.08);
    border-left-color: #d29922;
    fill: #d29922;
}

.caution {
    background-color: rgba(240, 136, 62, 0.08);
    border-left-color: #f0883e;
    fill: #f0883e;
}

/* latin */
@font-face {
    font-family: Roboto;
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: local("Roboto"), local("Roboto-Regular"), url("/assets/fonts/roboto-v30-regular-latin.woff2") format("woff2");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* latin */
@font-face {
    font-family: Roboto;
    font-style: italic;
    font-weight: 400;
    font-display: swap;
    src: local("Roboto Italic"), local("Roboto-Italic"), url("/assets/fonts/roboto-v30-regular-italic-latin.woff2") format("woff2");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* latin */
@font-face {
    font-family: Roboto;
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: local("Roboto Bold"), local("Roboto-Bold"), url("/assets/fonts/roboto-v30-bold-latin.woff2") format("woff2");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* latin */
@font-face {
    font-family: "Roboto Mono";
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: local("Roboto Mono"), local("RobotoMono-Regular"), url("/assets/fonts/robotomono-v23-regular-latin.woff2") format("woff2");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* latin */
@font-face {
    font-family: "Roboto Mono";
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: local("Roboto Mono Bold"), local("RobotoMono-Bold"), url("/assets/fonts/robotomono-v23-bold-latin.woff2") format("woff2");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@media only screen and (max-width: 735px) {
    .hero {
        flex-flow: column nowrap;
        text-align: center;
    }

    .device-img {
        margin: 3.5rem 0 0;
    }

    .table-container th,
    .table-container td {
        padding: 8px 12px;
    }
}

@media (prefers-color-scheme: dark) {
    body {
        background: #121212;
        color: rgba(255 255 255 / 87%); /* 87% white */
    }

    a {
        color: #90caf9; /* blue200 */
    }

    a:visited {
        color: #ce93d8; /* purple200 */
    }

    h1 a, h1 a:visited, h2 a, h2 a:visited, h3 a, h3 a:visited, h4 a, h4 a:visited, h5 a, h5 a:visited, h6 a, h6 a:visited {
        color: rgba(255 255 255 / 87%); /* 87% white */
    }

    button, select, .button, .button:visited {
        color: black;
        background-color: #95c4ff; /* system_accent1_200, because accent_device_default_dark => system_accent1_100 was too light */
    }

    button:hover, select:hover, .button:hover {
        background-color: #89b4ea; /* color between default and pressed */
    }

    button:focus, select:focus, .button:focus {
        background-color: #7ca3d4; /* button pressed on Android */
    }

    button:disabled, select:disabled {
        background-color: rgb(227 226 230 / 12%);
        color: rgb(227 226 230 / 38%);
    }

    select {
        background-image: url("/assets/arrow-drop-down-dark.svg");
    }

    code, pre {
        background-color: #323743;
        color: #ced4f1;
    }

    pre, details, details[open] summary {
        border-color: #8e9099; /* outline */
    }

    footer a, footer a:visited {
        color: #9f9f9f;
    }

    .error-text {
        /* Baseline Material dark error color */
        color: #cf6679;
    }

    .laptop-img {
        filter: invert(100%) hue-rotate(180deg) saturate(1.75);
    }

    .surface {
        background-color: #212121;
    }

    var {
        color: #ffb4ab;
    }

    .notice {
        border-color: #8e9099 /* outline */;
        background-color: #3e4758 /* secondary container */;
        color: #dae2f9 /* on secondary container */;
    }

    .table-container {
        background-color: #0c0c0c;
        border-color: rgba(255, 255, 255, 0.12);
    }

    .table-container th,
    .table-container td {
        border-color: rgba(255, 255, 255, 0.12);
        color: rgba(255, 255, 255, 0.87);
    }

    .table-container th {
        background-color: #2c2c2e;
    }
}

figure.arch-diagram {
  border: thin silver solid;
  padding: 5px;
  margin: auto;
}

figcaption {
  background-color: #222222;
  color: white;
  font: italic smaller sans-serif;
  padding: 3px;
  text-align: center;
}

td > ul {
    padding-inline-start: 16px;
}