:root {
    --bg: #f5f6f8;
    --surface: #ffffff;
    --ink: #15171c;
    --muted: #5f6571;
    --line: #dde1e8;
    --accent: #3056d3;
    --accent-ink: #ffffff;
    --accent-soft: #e8edfc;
    --danger: #b3261e;
    --danger-soft: #fbe9e7;
    --code-bg: #eef0f4;
    --radius: 10px;
    --shadow: 0 1px 2px rgb(16 24 40 / 6%);
    --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #121418;
        --surface: #1b1e24;
        --ink: #e8e9ed;
        --muted: #9ba1ac;
        --line: #2c3038;
        --accent: #8aa4f8;
        --accent-ink: #0f1320;
        --accent-soft: #1f2842;
        --danger: #f28b82;
        --danger-soft: #3a1f1d;
        --code-bg: #23262d;
        --shadow: none;
    }
}

* { box-sizing: border-box; }

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

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg);
    color: var(--ink);
    font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

a { color: var(--accent); }
a:hover { text-decoration-thickness: 2px; }

img { max-width: 100%; }

h1, h2, h3 { line-height: 1.25; letter-spacing: -0.01em; }
h1 { font-size: 1.75rem; margin: 0 0 .5rem; }
h2 { font-size: 1.25rem; margin: 0 0 .75rem; }
h3 { font-size: 1.05rem; margin: 1.5rem 0 .5rem; }

p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

.muted { color: var(--muted); }
.small { font-size: .875rem; }

code {
    font-family: var(--mono);
    font-size: .875em;
    background: var(--code-bg);
    border-radius: 4px;
    padding: .1em .35em;
    overflow-wrap: anywhere;
}

pre {
    margin: 0 0 1rem;
    padding: 1rem;
    background: var(--code-bg);
    border-radius: 8px;
    overflow-x: auto;
    font-size: .85rem;
    line-height: 1.5;
}

pre code { background: none; padding: 0; overflow-wrap: normal; }

/* Header */

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

.bar {
    max-width: 60rem;
    margin: 0 auto;
    padding: .75rem 1.25rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .5rem 1.5rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    color: var(--ink);
    font-weight: 700;
    text-decoration: none;
}

.nav {
    display: flex;
    flex-wrap: wrap;
    gap: .25rem;
    flex: 1;
}

.nav a {
    color: var(--muted);
    text-decoration: none;
    padding: .3rem .6rem;
    border-radius: 6px;
    font-size: .925rem;
}

.nav a:hover { color: var(--ink); background: var(--bg); }
.nav a[aria-current="page"] { color: var(--accent); background: var(--accent-soft); font-weight: 600; }

.account {
    display: flex;
    gap: .75rem;
    align-items: center;
    font-size: .925rem;
}

/* Layout */

.shell {
    flex: 1;
    width: 100%;
    max-width: 60rem;
    margin: 0 auto;
    padding: 2rem 1.25rem 3rem;
}

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card.narrow { max-width: 40rem; margin-left: auto; margin-right: auto; }
.card.danger { border-color: var(--danger); }

.card > h2:first-child { margin-top: 0; }

.site-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: .25rem .75rem;
    padding: 1.5rem 1.25rem 2rem;
    color: var(--muted);
    font-size: .875rem;
}

.site-footer a { color: var(--muted); }

/* Home */

.hero {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    padding: 1rem 0 2rem;
}

.hero-logo {
    flex: none;
    border-radius: 24px;
    background: var(--surface);
    border: 1px solid var(--line);
}

.lede { font-size: 1.15rem; }

.sign-in { margin-top: 1.5rem; max-width: 30rem; }
.sign-in label { display: block; font-weight: 600; margin-bottom: .4rem; }

.doc {
    border-top: 1px solid var(--line);
    padding: 2rem 0 .5rem;
}

.doc h2 a { color: inherit; text-decoration: none; }
.doc h2 a:hover::after { content: " #"; color: var(--muted); }

@media (max-width: 40rem) {
    .hero { flex-direction: column; gap: 1rem; }
    .hero-logo { width: 72px; height: 72px; border-radius: 16px; }
}

/* Forms */

input[type="url"],
input[type="text"],
select {
    width: 100%;
    min-width: 0;
    padding: .55rem .7rem;
    font: inherit;
    color: var(--ink);
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 6px;
}

input:focus-visible,
select:focus-visible,
button:focus-visible,
.button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

button,
.button {
    display: inline-block;
    padding: .55rem 1rem;
    font: inherit;
    font-weight: 600;
    color: var(--accent-ink);
    background: var(--accent);
    border: 1px solid var(--accent);
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
}

button:hover, .button:hover { filter: brightness(1.08); }

button.secondary,
.button.secondary {
    color: var(--ink);
    background: var(--surface);
    border-color: var(--line);
}

button.danger {
    color: #fff;
    background: var(--danger);
    border-color: var(--danger);
}

button.icon {
    padding: .15rem .5rem;
    font-size: 1.1rem;
    line-height: 1;
    color: var(--muted);
    background: transparent;
    border-color: transparent;
}

button.icon:hover { color: var(--danger); background: var(--danger-soft); filter: none; }

.inline-field {
    display: flex;
    gap: .5rem;
    align-items: flex-start;
}

.inline-field .grow { flex: 1; min-width: 0; margin: 0; }

.button.small { padding: .2rem .6rem; font-size: .875rem; }

form.inline { display: inline; margin: 0; }
button.link {
    background: none;
    border: 0;
    padding: 0;
    color: inherit;
    font: inherit;
    text-decoration: underline;
    cursor: pointer;
}
button.link:hover { filter: none; color: var(--accent, inherit); }

.stack { display: grid; gap: .9rem; }

.field { display: grid; gap: .3rem; }
.field label { font-size: .875rem; font-weight: 600; }

.checkbox { display: flex; gap: .5rem; align-items: center; font-size: .925rem; }

.form-actions { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; }

@media (max-width: 30rem) {
    .inline-field { flex-direction: column; }
}

/* Alerts and badges */

.alert {
    padding: .75rem 1rem;
    border-radius: 8px;
    background: var(--danger-soft);
    color: var(--danger);
}

.notice {
    padding: .75rem 1rem;
    border-radius: 8px;
    background: var(--accent-soft);
}

.badge {
    display: inline-block;
    margin: 0 0 .25rem;
    padding: .1rem .5rem;
    border-radius: 999px;
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    background: var(--accent-soft);
    color: var(--accent);
}

.badge-error { background: var(--danger-soft); color: var(--danger); }

.error-code { font-size: 2.5rem; font-weight: 700; margin: 0; color: var(--muted); }

details summary { cursor: pointer; color: var(--muted); margin: 1rem 0 .5rem; }

.facts {
    margin: 1rem 0;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: .4rem 1rem;
    align-items: baseline;
}

.facts dt { color: var(--muted); font-size: .875rem; }
.facts dd { margin: 0; min-width: 0; }

/* Mention lists */

.mention-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mention-row {
    display: grid;
    grid-template-columns: 2rem 1fr auto;
    gap: .75rem;
    align-items: start;
    padding: .75rem 0;
    border-bottom: 1px solid var(--line);
}

.mention-row:last-child { border-bottom: 0; }

.avatar {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    object-fit: cover;
    background: var(--code-bg);
    display: block;
}

.mention-row .urls { min-width: 0; font-size: .925rem; }
.mention-row .urls a { overflow-wrap: anywhere; }
.mention-row .on { color: var(--muted); }

/* Tables */

.table-wrap { overflow-x: auto; }

table.data {
    width: 100%;
    border-collapse: collapse;
    font-size: .95rem;
}

table.data th,
table.data td {
    text-align: left;
    padding: .6rem .5rem;
    border-bottom: 1px solid var(--line);
    vertical-align: middle;
}

table.data th { font-size: .8rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
table.data td.num { font-variant-numeric: tabular-nums; }
table.data td.actions { text-align: right; }

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr));
    gap: 1rem;
}

.grid-2 .card { margin-bottom: 0; }

.card.spaced { margin-top: 1.5rem; }