/* Start the Bag — shared stylesheet for every page.
   Layout concept: a quest log on graph paper. Cobalt ink for structure,
   highlighter yellow for the one thing on a page you must not miss. */
:root {
  --paper: #F3F5FB;
  --surface: #FFFFFF;
  --surface-2: #E9EDF8;
  --ink: #131A35;
  --muted: #586079;
  --line: #D8DEEE;
  --grid: rgba(45, 75, 224, .07);
  --cobalt: #2D4BE0;
  --cobalt-soft: #E3E8FF;
  --on-cobalt: #FFFFFF;
  --sun: #FFC93C;
  --on-sun: #1B1A10;
  --good: #137A54;
  --good-soft: #DDF4EA;
  --warn: #9A4313;
  --warn-soft: #FDEBDD;
  --bad: #A8232B;
  --bad-soft: #FBE1E2;

  --f-display: "Bricolage Grotesque", "Arial Black", system-ui, sans-serif;
  --f-body: "Atkinson Hyperlegible", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --step--1: .85rem;
  --step-0: 1rem;
  --step-1: 1.2rem;
  --step-2: 1.5rem;
  --step-3: clamp(1.75rem, 1.4rem + 1.6vw, 2.4rem);
  --step-4: clamp(2.3rem, 1.6rem + 3.4vw, 4.2rem);

  --r: 10px;
  --shadow: 0 1px 0 rgba(19, 26, 53, .04), 0 8px 24px -12px rgba(19, 26, 53, .18);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0C1023; --surface: #151A33; --surface-2: #1C2242; --ink: #EDEFFA; --muted: #A2A8C4;
    --line: #2A3154; --grid: rgba(126, 147, 255, .07); --cobalt: #8095FF; --cobalt-soft: #222A55;
    --on-cobalt: #0C1023; --sun: #FFD45E; --on-sun: #1B1A10; --good: #4FD39F; --good-soft: #12352A;
    --warn: #FFAA6B; --warn-soft: #3A2616; --bad: #FF7B82; --bad-soft: #3B1A1F;
    --shadow: 0 1px 0 rgba(0,0,0,.2), 0 10px 30px -14px rgba(0,0,0,.6);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0C1023; --surface: #151A33; --surface-2: #1C2242; --ink: #EDEFFA; --muted: #A2A8C4;
  --line: #2A3154; --grid: rgba(126, 147, 255, .07); --cobalt: #8095FF; --cobalt-soft: #222A55;
  --on-cobalt: #0C1023; --sun: #FFD45E; --on-sun: #1B1A10; --good: #4FD39F; --good-soft: #12352A;
  --warn: #FFAA6B; --warn-soft: #3A2616; --bad: #FF7B82; --bad-soft: #3B1A1F;
  --shadow: 0 1px 0 rgba(0,0,0,.2), 0 10px 30px -14px rgba(0,0,0,.6);
  color-scheme: dark;
}

/* ---------- base (also used by sub-pages, which get no publish skeleton) ---------- */
*, *::before, *::after { box-sizing: border-box; }
:root { padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 var(--step-0)/1.6 var(--f-body);
  overflow-x: hidden;
}
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--surface); }
img { max-width: 100%; }
[hidden] { display: none !important; }
a { color: var(--cobalt); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--cobalt); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3, h4 { font-family: var(--f-display); line-height: 1.1; margin: 0; text-wrap: balance; letter-spacing: -.01em; }
h1 { font-size: var(--step-4); font-weight: 800; letter-spacing: -.025em; }
h2 { font-size: var(--step-3); font-weight: 800; }
h3 { font-size: var(--step-1); font-weight: 700; }
h4 { font-size: var(--step-0); font-weight: 700; }
p { margin: 0; }
ul, ol { margin: 0; padding-left: 1.2em; }
li + li { margin-top: .35em; }
strong { font-weight: 700; }
small, .small { font-size: var(--step--1); }
.muted { color: var(--muted); }
.mono, .num { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.prose { max-width: 68ch; display: grid; gap: 1em; }
.prose h3 { margin-top: .6em; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }

/* highlighter: the page's one bold device */
.mark {
  background: linear-gradient(transparent 58%, var(--sun) 58%, var(--sun) 92%, transparent 92%);
  padding: 0 .08em; color: inherit; box-decoration-break: clone; -webkit-box-decoration-break: clone;
}

/* ---------- layout ---------- */
.wrap {
  width: 100%; max-width: 1140px; margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
main { display: block; }
.section { padding-block: clamp(40px, 6vw, 72px); }
.section + .section { border-top: 1px solid var(--line); }
.section-head { display: grid; gap: .6rem; margin-bottom: 1.6rem; max-width: 72ch; }
.section-head p, .lede { color: var(--muted); font-size: var(--step-1); line-height: 1.5; max-width: 60ch; }
.eyebrow {
  font: 600 var(--step--1)/1 var(--f-mono); text-transform: uppercase; letter-spacing: .12em; color: var(--cobalt);
}
.stack { display: grid; gap: 1rem; }
.row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
/* at most 3 columns so short sets (4, 5, 7 items) never leave a lone card */
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, max(260px, calc((100% - 2rem) / 3))), 1fr)); }
.grid.wide { grid-template-columns: repeat(auto-fill, minmax(min(100%, max(340px, calc((100% - 1rem) / 2))), 1fr)); }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); }
.grid > *, .row > *, .split > * { min-width: 0; }
.split { display: grid; gap: clamp(1.5rem, 4vw, 3rem); grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr)); align-items: start; }

/* page hero (inner pages) */
.page-hero {
  background:
    linear-gradient(var(--grid) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(90deg, var(--grid) 1px, transparent 1px) 0 0 / 24px 24px,
    var(--paper);
  border-bottom: 1px solid var(--line);
}
.page-hero .wrap { padding-block: clamp(36px, 6vw, 72px) clamp(28px, 4vw, 48px); display: grid; gap: 1rem; }
.page-hero h1 { font-size: var(--step-4); max-width: 18ch; }
.page-hero .lede { font-size: var(--step-1); color: var(--muted); max-width: 60ch; line-height: 1.5; }

/* ---------- header / nav ---------- */
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 1rem; min-height: 60px; }
.brand { display: flex; align-items: center; gap: .55rem; text-decoration: none; color: var(--ink); flex: none; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 8px; background: var(--cobalt); color: var(--on-cobalt);
  display: grid; place-items: center; font: 800 15px/1 var(--f-display); transform: rotate(-6deg);
  box-shadow: 3px 3px 0 var(--sun);
}
.brand-name { font: 800 1.15rem/1 var(--f-display); letter-spacing: -.02em; }
.nav-scroll { overflow-x: auto; scrollbar-width: none; flex: 1; min-width: 0; mask-image: linear-gradient(90deg, #000 90%, transparent); -webkit-mask-image: linear-gradient(90deg, #000 90%, transparent); }
.nav-scroll::-webkit-scrollbar { display: none; }
.nav { display: flex; gap: .15rem; list-style: none; margin: 0; padding: 0 1.5rem 0 0; white-space: nowrap; }
.nav li + li { margin-top: 0; }
.nav a {
  display: block; padding: .45rem .7rem; border-radius: 8px; color: var(--muted); text-decoration: none;
  font: 600 .92rem/1.2 var(--f-body);
}
.nav a:hover { color: var(--ink); background: var(--surface-2); }
.nav a[aria-current="page"] { color: var(--ink); background: var(--cobalt-soft); box-shadow: inset 0 -2px 0 var(--cobalt); }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--surface); margin-top: 0; }
.site-footer .wrap { padding-block: 40px; display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }
.site-footer h4 { font-size: var(--step--1); font-family: var(--f-mono); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin-bottom: .6rem; }
.site-footer ul { list-style: none; padding: 0; }
.site-footer a { color: var(--ink); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.site-footer .fine { grid-column: 1 / -1; color: var(--muted); font-size: var(--step--1); border-top: 1px solid var(--line); padding-top: 1.2rem; max-width: 90ch; }

/* ---------- buttons, chips, pills ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  padding: .7rem 1.1rem; border-radius: 10px; border: 1.5px solid var(--ink);
  background: var(--surface); color: var(--ink); text-decoration: none; cursor: pointer;
  font: 700 var(--step-0)/1.1 var(--f-body); transition: transform .12s, box-shadow .12s;
}
.btn:hover { transform: translate(-1px, -1px); box-shadow: 3px 3px 0 var(--ink); }
.btn:active { transform: none; box-shadow: none; }
.btn.primary { background: var(--cobalt); border-color: var(--cobalt); color: var(--on-cobalt); }
.btn.primary:hover { box-shadow: 3px 3px 0 var(--sun); }
.btn.small { padding: .45rem .75rem; font-size: var(--step--1); }
.chips { display: flex; flex-wrap: wrap; gap: .45rem; }
.chip {
  border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 999px;
  padding: .4rem .8rem; font: 600 .88rem/1 var(--f-body); cursor: pointer;
}
.chip:hover { border-color: var(--cobalt); }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.pill {
  display: inline-flex; align-items: center; gap: .3rem; border-radius: 6px; padding: .18rem .5rem;
  font: 600 .74rem/1.3 var(--f-mono); letter-spacing: .02em; background: var(--surface-2); color: var(--muted); white-space: nowrap;
}
.pill.good { background: var(--good-soft); color: var(--good); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.bad { background: var(--bad-soft); color: var(--bad); }
.pill.info { background: var(--cobalt-soft); color: var(--cobalt); }
.pill.sun { background: var(--sun); color: var(--on-sun); }

/* ---------- cards ---------- */
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r);
  padding: 1.2rem; display: flex; flex-direction: column; gap: .7rem;
}
.card.raised { box-shadow: var(--shadow); }
.card .meta { display: flex; flex-wrap: wrap; gap: .35rem; }
.card h3, .card h4 { line-height: 1.2; }
.card p { color: var(--muted); }
.card .foot { margin-top: auto; padding-top: .6rem; border-top: 1px dashed var(--line); font-size: var(--step--1); }
a.card { text-decoration: none; color: inherit; transition: border-color .15s, transform .15s; }
a.card:hover { border-color: var(--cobalt); transform: translateY(-2px); }

/* ---------- callouts ---------- */
.callout { border-radius: var(--r); padding: 1rem 1.15rem; border: 1px solid var(--line); background: var(--surface-2); display: grid; gap: .4rem; }
.callout.good { background: var(--good-soft); border-color: transparent; }
.callout.warn { background: var(--warn-soft); border-color: transparent; }
.callout.bad { background: var(--bad-soft); border-color: transparent; }
.callout.sun { background: var(--sun); color: var(--on-sun); border-color: transparent; }
.callout .label { font: 700 .75rem/1 var(--f-mono); text-transform: uppercase; letter-spacing: .1em; }
.callout.good .label { color: var(--good); } .callout.warn .label { color: var(--warn); } .callout.bad .label { color: var(--bad); }

/* ---------- quotes ---------- */
.quote { border-left: 4px solid var(--sun); padding: .2rem 0 .2rem 1rem; font: 600 var(--step-1)/1.4 var(--f-display); }
.quote cite { display: block; margin-top: .4rem; font: 400 var(--step--1)/1.3 var(--f-mono); color: var(--muted); font-style: normal; }

/* ---------- forms & tools ---------- */
.tool { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: clamp(1rem, 3vw, 1.6rem); display: grid; gap: 1.2rem; box-shadow: var(--shadow); }
.tool-grid { display: grid; gap: 1.4rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); align-items: start; }
.tool-grid > * { min-width: 0; }
.field { display: grid; gap: .35rem; }
.field label, .label-text { font: 700 .88rem/1.2 var(--f-body); }
.field .hint { color: var(--muted); font-size: var(--step--1); }
input[type="text"], input[type="number"], input[type="email"], input[type="date"], select, textarea {
  width: 100%; font: 400 1rem/1.4 var(--f-body); color: var(--ink); background: var(--paper);
  border: 1.5px solid var(--line); border-radius: 8px; padding: .6rem .7rem;
}
textarea { min-height: 90px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--cobalt); outline: none; box-shadow: 0 0 0 3px var(--cobalt-soft); }
input[type="range"] { width: 100%; accent-color: var(--cobalt); }
input[type="checkbox"], input[type="radio"] { accent-color: var(--cobalt); width: 1.1rem; height: 1.1rem; }
.range-row { display: flex; justify-content: space-between; gap: .5rem; align-items: baseline; }
.range-row output { font: 700 .95rem/1 var(--f-mono); color: var(--cobalt); }
.out {
  background: var(--paper); border: 1.5px dashed var(--line); border-radius: 10px; padding: 1rem;
  white-space: pre-wrap; font: 400 .95rem/1.55 var(--f-body); overflow-wrap: anywhere;
}
.big-num { font: 800 var(--step-4)/1 var(--f-display); letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.stat { display: grid; gap: .2rem; }
.stat .k { font: 600 .75rem/1.2 var(--f-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.stat .v { font: 800 var(--step-2)/1.1 var(--f-display); font-variant-numeric: tabular-nums; }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); background: var(--surface); }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { text-align: left; padding: .7rem .9rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font: 700 .78rem/1.2 var(--f-mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); background: var(--surface-2); }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-family: var(--f-mono); font-variant-numeric: tabular-nums; }

/* ---------- details / accordions ---------- */
details.fold { border: 1px solid var(--line); border-radius: var(--r); background: var(--surface); }
details.fold + details.fold { margin-top: .6rem; }
details.fold summary { cursor: pointer; padding: 1rem 1.15rem; font: 700 var(--step-0)/1.3 var(--f-display); list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
details.fold summary::-webkit-details-marker { display: none; }
details.fold summary::after { content: "+"; font-family: var(--f-mono); color: var(--cobalt); }
details.fold[open] summary::after { content: "−"; }
details.fold .fold-body { padding: 0 1.15rem 1.15rem; display: grid; gap: .7rem; color: var(--ink); }

/* ---------- checklist ---------- */
.checklist { list-style: none; padding: 0; display: grid; gap: .5rem; }
.checklist li + li { margin-top: 0; }
.checklist label { display: flex; gap: .7rem; align-items: flex-start; padding: .7rem .85rem; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); cursor: pointer; }
.checklist input:checked + span { text-decoration: line-through; color: var(--muted); }

/* ---------- progress ---------- */
.progress { height: 12px; background: var(--surface-2); border-radius: 999px; overflow: hidden; border: 1px solid var(--line); }
.progress > i { display: block; height: 100%; background: var(--cobalt); width: 0; transition: width .3s; }

/* ---------- quest path (true sequence) ---------- */
.levels { list-style: none; padding: 0; display: grid; gap: 0; counter-reset: lvl; }
.levels li { margin: 0; display: grid; grid-template-columns: 56px 1fr; gap: 1rem; position: relative; padding-bottom: 1.6rem; }
.levels li::before {
  counter-increment: lvl; content: counter(lvl);
  width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center;
  background: var(--surface); border: 2px solid var(--ink); font: 800 1.4rem/1 var(--f-display); box-shadow: 3px 3px 0 var(--sun);
}
.levels li::after { content: ""; position: absolute; left: 27px; top: 60px; bottom: 4px; border-left: 2px dashed var(--line); }
.levels li:last-child::after { display: none; }
.levels .lvl-body { display: grid; gap: .35rem; padding-top: .3rem; }
.levels .lvl-body p { color: var(--muted); }

/* ---------- misc ---------- */
.copy-btn[data-done="1"] { background: var(--good); border-color: var(--good); color: var(--surface); }
.toc { display: flex; flex-wrap: wrap; gap: .4rem; }
.toc a { font: 600 .85rem/1 var(--f-body); padding: .45rem .7rem; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); text-decoration: none; color: var(--ink); }
.toc a:hover { border-color: var(--cobalt); }
.empty { padding: 2rem; text-align: center; color: var(--muted); border: 1.5px dashed var(--line); border-radius: var(--r); }
hr.rule { border: 0; border-top: 1px solid var(--line); margin: 1.5rem 0; }

/* ---------- country picker + country-only content ---------- */
.region-pick { flex: none; }
.region-pick select { width: auto; padding: .4rem 1.6rem .4rem .55rem; font: 700 .85rem/1 var(--f-mono); background-color: var(--surface); border-radius: 8px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
html.r-us [data-region]:not([data-region~="us"]),
html.r-ca [data-region]:not([data-region~="ca"]),
html.r-uk [data-region]:not([data-region~="uk"]),
html.r-au [data-region]:not([data-region~="au"]) { display: none !important; }
.region-note { font: 600 .75rem/1 var(--f-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--cobalt); }

/* ---------- logo ---------- */
.brand-icon { width: 34px; height: 34px; display: block; transform: rotate(-6deg); }
.brand-word { height: 30px; width: auto; display: block; }
.site-footer .brand-icon { width: 40px; height: 40px; }
.site-footer .brand-word { height: 28px; }
@media (max-width: 520px) { .site-header .brand-word { display: none; } }

/* ---------- main menu (replaces the scrolling tab strip) ---------- */
.skip-link {
  position: absolute; left: max(12px, env(safe-area-inset-left, 0px)); top: -100px; z-index: 100;
  background: var(--ink); color: var(--paper); padding: .75rem 1rem; border-radius: 8px; font-weight: 700; text-decoration: none;
}
.skip-link:focus { top: calc(env(safe-area-inset-top, 0px) + 10px); }
main:focus { outline: none; }
.site-header .wrap { position: relative; gap: .75rem; }
.main-nav { flex: 1; min-width: 0; display: flex; justify-content: flex-end; }
.main-nav .nav { display: flex; gap: .2rem; align-items: center; list-style: none; margin: 0; padding: 0; white-space: nowrap; }
.main-nav .nav li { margin: 0; position: relative; }
.main-nav .nav a, .sub-toggle {
  display: flex; align-items: center; gap: .3rem; min-height: 40px; padding: .45rem .7rem; border-radius: 8px;
  color: var(--muted); text-decoration: none; font: 600 .95rem/1.2 var(--f-body); background: none; border: 0; cursor: pointer;
}
.main-nav .nav a:hover, .sub-toggle:hover { color: var(--ink); background: var(--surface-2); }
.main-nav .nav a[aria-current="page"], .sub-toggle.is-current { color: var(--ink); background: var(--cobalt-soft); box-shadow: inset 0 -2px 0 var(--cobalt); }
.sub-toggle svg { transition: transform .15s; }
.has-sub.open .sub-toggle svg { transform: rotate(180deg); }
.sub {
  display: none; position: absolute; top: calc(100% + 6px); left: 0; min-width: 200px; list-style: none; margin: 0; padding: .4rem;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); z-index: 60;
}
.has-sub.open .sub { display: grid; gap: .1rem; }
.sub a { width: 100%; }
.menu-toggle {
  display: none; align-items: center; gap: .45rem; min-height: 44px; padding: .5rem .85rem; border-radius: 10px;
  border: 1.5px solid var(--line); background: var(--surface); color: var(--ink); font: 700 .95rem/1 var(--f-body); cursor: pointer;
}
.region-pick select { min-height: 40px; }

@media (max-width: 1080px) {
  .menu-toggle { display: inline-flex; }
  .nav-panel {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: var(--surface); border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
    padding: .5rem max(16px, env(safe-area-inset-right, 0px)) 1rem max(16px, env(safe-area-inset-left, 0px));
    max-height: calc(100dvh - 70px); overflow-y: auto;
  }
  .main-nav.open .nav-panel { display: block; }
  .main-nav .nav { flex-direction: column; align-items: stretch; white-space: normal; gap: .15rem; }
  .main-nav .nav a, .sub-toggle { min-height: 48px; font-size: 1.05rem; width: 100%; }
  .sub { position: static; box-shadow: none; border: 0; padding: 0 0 0 1rem; min-width: 0; background: none; }
}
@media (max-width: 520px) { .menu-toggle span { display: none; } .menu-toggle { padding: .5rem .7rem; } }
.site-footer h2 { font: 600 var(--step--1)/1.2 var(--f-mono); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin-bottom: .6rem; }
.site-footer li a { display: inline-block; padding-block: .2rem; }

/* ---------- accessibility fixes (WCAG 2.2 AA) ---------- */
/* links inside running text are underlined, not just coloured */
.site-footer .fine a, .prose a, .legal a, .callout a, .lede a, td a { text-decoration: underline; text-underline-offset: 3px; }
.callout.sun a { color: var(--on-sun); font-weight: 700; }
/* scroll boxes that can take keyboard focus show it */
[data-scroll-focus]:focus-visible { outline: 3px solid var(--cobalt); outline-offset: 2px; }