/* signlens.dev: the extension's colours, one column, no script. */
:root {
    color-scheme: light dark;
    --ground: #ffffff;
    --raised: #f3f4f6;
    --line: #d6d9df;
    --text: #14213d;
    --muted: #5b6475;
    --accent: #0e7490;
    --fill: #0e7490;
    --on-fill: #ffffff;
    --ok: #1a7f4b;
    --warning: #a15c00;
    --blocked: #b3261e;
    --measure: 46rem;
}

@media (prefers-color-scheme: dark) {
    :root {
        --ground: #14181f;
        --raised: #1e242e;
        --line: #343c4a;
        --text: #e8eaee;
        --muted: #9aa3b2;
        --accent: #00d4ff;
        --fill: #00d4ff;
        --on-fill: #14181f;
        --ok: #5fd39a;
        --warning: #fcb94a;
        --blocked: #ff8a80;
    }
}

* {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    background: var(--ground);
    color: var(--text);
    font:
        1.0625rem / 1.6 system-ui,
        -apple-system,
        'Segoe UI',
        Roboto,
        'Helvetica Neue',
        Arial,
        sans-serif;
}

a {
    color: var(--accent);
    text-underline-offset: 0.15em;
}

a:focus-visible,
summary:focus-visible,
pre:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

code,
pre {
    font-family: ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
    font-size: 0.9em;
}

/* Addresses and signatures are one long word. */
code {
    overflow-wrap: anywhere;
}

h1,
h2,
h3 {
    line-height: 1.25;
}

h1 {
    font-size: clamp(1.9rem, 4vw + 1rem, 2.75rem);
    margin: 0.4em 0 0.4em;
}

h2 {
    font-size: 1.5rem;
    margin: 2.2em 0 0.6em;
}

h3 {
    font-size: 1.15rem;
    margin: 1.6em 0 0.4em;
}

img {
    max-width: 100%;
    height: auto;
}

.skip {
    position: absolute;
    left: -999px;
}

.skip:focus {
    left: 1rem;
    top: 1rem;
    background: var(--ground);
    padding: 0.5rem;
}

header.site {
    border-bottom: 1px solid var(--line);
}

header.site .bar {
    max-width: 64rem;
    margin: 0 auto;
    padding: 0.75rem 1rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1.5rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--text);
    text-decoration: none;
}

header.site nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 1rem;
    margin-left: auto;
}

header.site nav a {
    color: var(--text);
    text-decoration: none;
    padding: 0.25rem 0;
}

header.site nav a:hover,
header.site nav a[aria-current='page'] {
    color: var(--accent);
    text-decoration: underline;
}

/* On a phone the menu sits under the name, in two short rows. */
@media (max-width: 40rem) {
    header.site .bar {
        padding: 0.6rem 1rem 0.5rem;
        row-gap: 0.25rem;
    }

    header.site nav {
        margin-left: 0;
        gap: 0 1rem;
        font-size: 0.95rem;
    }

    header.site nav a {
        padding: 0.15rem 0;
    }
}

main {
    max-width: var(--measure);
    margin: 0 auto;
    padding: 0 1rem 4rem;
}

main.wide {
    max-width: 64rem;
}

.lead {
    font-size: 1.2rem;
    color: var(--text);
}

.muted,
.crumbs,
.dated {
    color: var(--muted);
}

.dated {
    font-size: 0.9rem;
    margin-top: 0;
}

.next {
    margin-top: 3rem;
    padding-top: 1rem;
    border-top: 1px solid var(--line);
}

.crumbs {
    font-size: 0.9rem;
    margin-top: 1.5rem;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 1.5rem 0;
}

.button {
    display: inline-block;
    padding: 0.6rem 1.1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--fill);
    font-weight: 600;
    text-decoration: none;
}

.button.primary {
    background: var(--fill);
    color: var(--on-fill);
}

.hero {
    display: grid;
    gap: 1rem 3rem;
    align-items: center;
    padding-top: 1rem;
}

.prose {
    max-width: var(--measure);
    margin: 0 auto;
}

@media (min-width: 52rem) {
    .hero {
        grid-template-columns: 1.1fr 1fr;
    }
}

.hero figure {
    margin: 0;
    text-align: center;
}

.hero img,
.shot img {
    border: 1px solid var(--line);
    border-radius: 0.75rem;
}

.note {
    border-left: 4px solid var(--accent);
    background: var(--raised);
    padding: 0.75rem 1rem;
    border-radius: 0 0.5rem 0.5rem 0;
}

.table {
    overflow-x: auto;
}

/* On a phone a table of long cells reads row by row: each cell under its
   column's name, the header row kept for screen readers only. */
@media (max-width: 40rem) {
    .table.stack table,
    .table.stack tbody,
    .table.stack tr,
    .table.stack td {
        display: block;
    }

    .table.stack thead {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip-path: inset(50%);
        white-space: nowrap;
    }

    .table.stack tr {
        padding: 0.6rem 0;
        border-bottom: 1px solid var(--line);
    }

    .table.stack td {
        padding: 0.15rem 0;
        border: 0;
    }

    .table.stack td:first-child {
        font-weight: 700;
    }

    .table.stack td::before {
        content: attr(data-label);
        display: block;
        font-size: 0.8rem;
        font-weight: 700;
        letter-spacing: 0.04em;
        text-transform: uppercase;
        color: var(--muted);
    }
}

table {
    border-collapse: collapse;
    width: 100%;
    font-size: 0.95rem;
}

th,
td {
    text-align: left;
    vertical-align: top;
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--line);
}

th {
    background: var(--raised);
}

ul.cards {
    list-style: none;
    padding: 0;
    display: grid;
    gap: 1rem;
}

ul.cards li {
    border: 1px solid var(--line);
    border-radius: 0.75rem;
    padding: 1rem 1.25rem;
}

ul.cards li h3 {
    margin-top: 0;
}

/* An explanation, as the window shows it. */
figure.explanation {
    margin: 1.25rem 0 2rem;
    border: 1px solid var(--line);
    border-radius: 0.75rem;
    overflow: hidden;
    font-size: 0.95rem;
}

figure.explanation .head {
    display: flex;
    gap: 0.75rem;
    align-items: baseline;
    padding: 0.85rem 1rem;
    border-top: 4px solid var(--verdict);
    background: var(--raised);
}

figure.explanation.verdict-ok {
    --verdict: var(--ok);
}

figure.explanation.verdict-warn {
    --verdict: var(--warning);
}

figure.explanation.verdict-block {
    --verdict: var(--blocked);
}

.badge {
    flex: none;
    font-weight: 800;
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--verdict);
}

figure.explanation .summary {
    margin: 0;
    font-weight: 700;
    overflow-wrap: anywhere;
}

figure.explanation ul,
figure.explanation ol {
    margin: 0;
    padding: 0.5rem 1rem 0.5rem 2.25rem;
    overflow-wrap: anywhere;
}

ul.findings li {
    margin: 0.25rem 0;
}

.severity {
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
}

/* As in the extension's window: a high finding is red like a critical one. */
.finding.critical .severity,
.finding.high .severity {
    color: var(--blocked);
}

.finding.warning .severity {
    color: var(--warning);
}

/* A marker or a short address with its meaning on hover. */
abbr.term {
    text-decoration: underline dotted;
    text-underline-offset: 0.2em;
    cursor: help;
}

.finding.info .severity {
    color: var(--muted);
}

/* Several actions, one a line under their count, as in the window. */
figure.explanation ol.actions {
    font-weight: 600;
}

/* What SignLens verified: a check in a ring, drawn so that no name can carry it. */
.verified-badge {
    display: inline-flex;
    margin-left: 0.2em;
    vertical-align: -0.12em;
    cursor: help;
}

.verified-badge svg {
    width: 0.85em;
    height: 0.85em;
}

.verified-badge circle,
.verified-badge path {
    fill: none;
    stroke: var(--ok);
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* A claim: what the site or an RPC said, which SignLens could not check. */
abbr.term.unverified {
    color: var(--warning);
}

figure.explanation .label {
    margin: 0.5rem 1rem 0;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--muted);
}

.address.self b {
    color: var(--ok);
}

details.full {
    margin: 0.5rem 1rem;
}

details.full summary {
    cursor: pointer;
    color: var(--accent);
}

details.full pre {
    overflow-x: auto;
    background: var(--raised);
    padding: 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.8rem;
    line-height: 1.45;
}

figure.explanation figcaption {
    border-top: 1px solid var(--line);
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
    color: var(--muted);
}

.sources {
    font-size: 0.9rem;
    overflow-wrap: anywhere;
}

dl.facts dt {
    font-weight: 700;
    margin-top: 0.75rem;
}

dl.facts dd {
    margin: 0;
}

footer.site {
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.9rem;
}

footer.site .bar {
    max-width: 64rem;
    margin: 0 auto;
    padding: 1.5rem 1rem 2.5rem;
}

footer.site nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 1.25rem;
    margin-bottom: 0.75rem;
}