/* CMSC 178 // brutalist UI. Monospace, black on white, one loud accent, hard shadows. */
:root {
  --ink: #000;
  --paper: #fff;
  --accent: #FFE600;
  --danger: #E4002B;
  --ok: #00A651;
  --grey: #EDEDED;
  --border: 4px solid var(--ink);
  --shadow: 6px 6px 0 var(--ink);
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", "Courier New", monospace;
}
* { box-sizing: border-box; border-radius: 0; }
html { font-size: 16px; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--mono); line-height: 1.55;
}
a { color: var(--ink); font-weight: 700; text-decoration: underline; text-decoration-thickness: 3px; text-underline-offset: 3px; }
a:hover { background: var(--accent); }
:focus-visible { outline: 5px solid var(--danger); outline-offset: 2px; }

h1, h2, h3 { text-transform: uppercase; letter-spacing: .02em; line-height: 1.1; margin: 0 0 .6em; }
h1 { font-size: clamp(1.8rem, 5vw, 3rem); border-bottom: var(--border); padding-bottom: .3em; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.1rem; }

.skip { position: absolute; left: -999px; top: 0; background: var(--accent); border: var(--border); padding: .5rem 1rem; z-index: 99; }
.skip:focus { left: 0; }

header.top { background: var(--ink); color: var(--paper); border-bottom: var(--border); }
header.top .bar { max-width: 1100px; margin: 0 auto; padding: .8rem 1rem; display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; align-items: center; }
header.top .brand { font-weight: 900; font-size: 1.1rem; letter-spacing: .04em; text-transform: uppercase; color: var(--accent); text-decoration: none; }
header.top nav { display: flex; flex-wrap: wrap; gap: .5rem 1rem; flex: 1; }
header.top a { color: var(--paper); text-decoration-color: var(--accent); }
header.top a:hover { background: var(--accent); color: var(--ink); }
header.top .who { font-size: .85rem; display: flex; gap: .75rem; align-items: center; }

main { max-width: 1100px; margin: 0 auto; padding: 2rem 1rem 4rem; }
footer { border-top: var(--border); padding: 1rem; text-align: center; font-size: .8rem; text-transform: uppercase; }

.card { border: var(--border); box-shadow: var(--shadow); padding: 1.25rem; background: var(--paper); margin-bottom: 2rem; }
.card.accent { background: var(--accent); }
.card.narrow { max-width: 520px; }
.grid { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

label { display: block; font-weight: 900; text-transform: uppercase; font-size: .85rem; margin: 0 0 .3rem; }
input[type=text], input[type=email], input[type=number], input[type=file], select {
  width: 100%; font: inherit; font-size: 1.1rem; padding: .6rem .7rem; border: var(--border);
  background: var(--paper); color: var(--ink); margin-bottom: 1rem;
}
input[name=code] { font-size: 2rem; letter-spacing: .5em; text-align: center; }
.help { font-size: .8rem; margin: -.7rem 0 1rem; }

button, .btn {
  font: inherit; font-weight: 900; text-transform: uppercase; letter-spacing: .04em;
  background: var(--accent); color: var(--ink); border: var(--border); box-shadow: 4px 4px 0 var(--ink);
  padding: .6rem 1.1rem; cursor: pointer; text-decoration: none; display: inline-block;
}
button:hover, .btn:hover { background: var(--ink); color: var(--accent); }
button:active, .btn:active { box-shadow: none; transform: translate(4px, 4px); }
button.plain { background: var(--paper); }
button.danger { background: var(--danger); color: var(--paper); }
button.small { padding: .25rem .6rem; font-size: .8rem; box-shadow: 3px 3px 0 var(--ink); border-width: 3px; }

.msgs { list-style: none; padding: 0; margin: 0 0 1.5rem; }
.msgs li { border: var(--border); padding: .7rem 1rem; margin-bottom: .6rem; font-weight: 700; background: var(--grey); }
.msgs li.success { background: #B6F5CE; }
.msgs li.error { background: var(--danger); color: var(--paper); }
.msgs li.info { background: var(--accent); }
.errorlist { list-style: none; padding: .5rem .8rem; margin: 0 0 1rem; background: var(--danger); color: var(--paper); border: var(--border); font-weight: 700; }

.tablewrap { overflow-x: auto; border: var(--border); box-shadow: var(--shadow); margin-bottom: 2rem; }
table { border-collapse: collapse; width: 100%; font-size: .9rem; }
th, td { border: 2px solid var(--ink); padding: .45rem .6rem; text-align: left; vertical-align: top; }
th { background: var(--ink); color: var(--paper); text-transform: uppercase; font-size: .8rem; letter-spacing: .05em; }
tr.off td { background: var(--grey); text-decoration: line-through; }
td.mono-small { font-size: .75rem; word-break: break-all; }

.tag { display: inline-block; border: 3px solid var(--ink); padding: 0 .4rem; font-weight: 900; font-size: .75rem; text-transform: uppercase; background: var(--paper); }
.tag.inst { background: var(--accent); }
.tag.off { background: var(--danger); color: var(--paper); }
.tag.ok { background: var(--ok); color: var(--paper); }

.inline { display: inline; }
.inline select, .inline input { width: auto; margin: 0; padding: .2rem .4rem; font-size: .85rem; border-width: 3px; }
.row { display: flex; flex-wrap: wrap; gap: 1rem; align-items: end; }
.big { font-size: 3rem; font-weight: 900; line-height: 1; }
.pager { display: flex; gap: 1rem; align-items: center; margin-bottom: 2rem; }

@media (max-width: 600px) { main { padding: 1.25rem .75rem 3rem; } .card { box-shadow: 4px 4px 0 var(--ink); } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

/* ---- learning pages ---- */
.daylist { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.25rem; }
.dayrow { display: grid; grid-template-columns: 5rem 1fr auto; gap: 1rem; align-items: center; border: var(--border); box-shadow: var(--shadow); padding: 1rem; background: var(--paper); }
.dayrow .n { font-size: 2.6rem; font-weight: 900; line-height: 1; }
.dayrow.locked, .dayrow.soon { background: var(--grey); box-shadow: none; }
.dayrow.done { background: #B6F5CE; }
.dayrow h2 { margin: 0 0 .2rem; font-size: 1.15rem; }
.dayrow small { display: block; }
@media (max-width: 600px) { .dayrow { grid-template-columns: 3rem 1fr; } .dayrow .act { grid-column: 1 / -1; } }

.meter { display: flex; flex-wrap: wrap; gap: .6rem; margin: 0 0 1.5rem; }
.meter .m { border: 3px solid var(--ink); padding: .25rem .6rem; font-weight: 900; font-size: .85rem; text-transform: uppercase; background: var(--paper); }
.meter .m.ok { background: var(--ok); color: var(--paper); }

section.md { margin: 0 0 1.5rem; overflow-wrap: anywhere; }
section.md h2 { border-bottom: var(--border); padding-bottom: .25em; margin-top: 2rem; }
section.md h3 { margin-top: 1.5rem; }
section.md blockquote { border-left: 8px solid var(--ink); background: var(--accent); margin: 1rem 0; padding: .6rem 1rem; }
section.md table { border: var(--border); }
section.md code { background: var(--grey); padding: 0 .25em; border: 1px solid var(--ink); }
section.md pre { background: var(--ink); color: #eee; padding: 1rem; overflow-x: auto; border: var(--border); }
section.md pre code { background: none; border: 0; color: inherit; padding: 0; }

.cell { border: var(--border); box-shadow: var(--shadow); margin: 0 0 2rem; background: var(--paper); }
.cell > .head { display: flex; justify-content: space-between; gap: 1rem; background: var(--ink); color: var(--paper); padding: .4rem .8rem; font-weight: 900; text-transform: uppercase; font-size: .8rem; letter-spacing: .05em; }
.cell > .head .st.done { color: #7CFF9E; }
.codewrap { overflow-x: auto; }
table.code { border: 0; font-size: .85rem; margin: 0; }
table.code td { border: 0; border-bottom: 1px solid #ccc; padding: .15rem .5rem; vertical-align: top; }
table.code td.ln { color: #777; text-align: right; width: 2.5rem; user-select: none; }
table.code td.src { white-space: pre; background: var(--grey); font-family: var(--mono); min-width: 24ch; }
table.code td.note { color: #0b3d91; font-size: .8rem; min-width: 22ch; }
table.code tr.bad td.src { background: #ffd0d6; outline: 3px solid var(--danger); }
.typebox { padding: 1rem; border-top: var(--border); background: #fffbe0; }
.typebox textarea { width: 100%; min-height: 9rem; font: inherit; font-size: .9rem; border: var(--border); padding: .6rem; white-space: pre; overflow-x: auto; background: var(--paper); tab-size: 4; }
.typebox .fb { font-weight: 900; margin: .6rem 0 0; min-height: 1.4em; }
.typebox .fb.bad { color: var(--danger); }
.out { background: #fff; margin: 0; padding: .6rem .8rem; border-top: 2px dashed var(--ink); white-space: pre-wrap; overflow-x: auto; font-size: .85rem; }
.outputs img { max-width: 100%; height: auto; display: block; border-top: 2px dashed var(--ink); padding: .5rem; background: #fff; }
.outputs.hidden { display: none; }

.quiz .item { border: var(--border); padding: 1rem; margin-bottom: 1.2rem; background: var(--paper); }
.quiz .item.right { background: #B6F5CE; }
.quiz .item.wrong { background: #ffd0d6; }
.quiz .item label { font-weight: 400; text-transform: none; font-size: 1rem; display: flex; gap: .6rem; align-items: start; margin: .3rem 0; }
.quiz .item input[type=radio] { margin-top: .35rem; width: 1.2rem; height: 1.2rem; accent-color: #000; }
.quiz .item pre { background: var(--ink); color: #eee; padding: .5rem .8rem; overflow-x: auto; }
.quiz .why { margin-top: .6rem; font-size: .9rem; border-top: 2px dashed var(--ink); padding-top: .5rem; }
.quiz .score { font-size: 1.4rem; font-weight: 900; border: var(--border); padding: .6rem 1rem; background: var(--accent); margin-bottom: 1rem; display: none; }
textarea.big { width: 100%; min-height: 12rem; font: inherit; border: var(--border); padding: .7rem; margin-bottom: 1rem; }
td.st-done { background: #B6F5CE; font-weight: 900; }
td.st-part { background: var(--accent); }
td.st-none { color: #777; }

/* ---- exam page ---- */
.examhead { position: sticky; top: 0; z-index: 20; display: flex; justify-content: space-between; align-items: center; background: var(--accent); border: var(--border); padding: .5rem 1rem; margin-bottom: .5rem; }
.timer { font-size: 1.8rem; font-weight: 900; font-variant-numeric: tabular-nums; }
.timer.low { color: var(--danger); }
#exam .item { border: var(--border); padding: 1rem; margin-bottom: 1.2rem; background: var(--paper); }
#exam .item label { font-weight: 400; text-transform: none; font-size: 1rem; display: flex; gap: .6rem; margin: .35rem 0; cursor: pointer; }
#exam .item input[type=radio] { margin-top: .35rem; width: 1.2rem; height: 1.2rem; accent-color: #000; }
#exam .item pre { background: var(--ink); color: #eee; padding: .6rem .9rem; overflow-x: auto; }
.exam-locked { user-select: none; -webkit-user-select: none; }

/* ================= v2: navigation, landing, dashboard, course, paged lessons ================= */
header.top nav a[aria-current="page"], .instbar a[aria-current="page"] { background: var(--accent); color: var(--ink); text-decoration: none; padding: 0 .35rem; }
.instbar { background: var(--accent); border-bottom: var(--border); }
.instbar .bar { max-width: 1100px; margin: 0 auto; padding: .45rem 1rem; display: flex; flex-wrap: wrap; gap: .4rem 1.1rem; align-items: center; font-size: .9rem; }
.instbar strong { text-transform: uppercase; background: var(--ink); color: var(--accent); padding: 0 .5rem; letter-spacing: .06em; }
.instbar a:hover { background: var(--ink); color: var(--accent); }
.crumbs { font-size: .85rem; margin: 0 0 1rem; text-transform: uppercase; letter-spacing: .03em; }
.crumbs a { font-weight: 700; }
.crumbs .sep { margin: 0 .4rem; }
footer .sub { font-size: .72rem; margin-top: .3rem; opacity: .85; text-transform: none; }
.subnav { display: flex; flex-wrap: wrap; gap: .5rem; margin: 0 0 1.5rem; }
.subnav a { border: 3px solid var(--ink); padding: .2rem .7rem; text-decoration: none; font-weight: 900; text-transform: uppercase; font-size: .8rem; background: var(--paper); }
.subnav a:hover, .subnav a[aria-current="page"] { background: var(--ink); color: var(--accent); }
.pill { display: inline-block; border: 3px solid var(--ink); padding: 0 .5rem; font-weight: 900; font-size: .78rem; text-transform: uppercase; }
.pill.yes { background: var(--ok); color: #fff; } .pill.no { background: var(--danger); color: #fff; } .pill.warn { background: var(--accent); }
.bignum { font-size: 2.4rem; font-weight: 900; line-height: 1; }
.hubgrid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); margin-bottom: 2rem; }
.hubgrid .card { margin: 0; display: flex; flex-direction: column; gap: .4rem; }
.hubgrid .card p { margin: 0; }
.hubgrid .card .go { margin-top: auto; padding-top: .6rem; }

/* progress bar */
.bar-track { height: 1.1rem; border: 3px solid var(--ink); background: var(--paper); }
.bar-fill { height: 100%; background: var(--ink); width: 0; transition: width .5s ease; }
.bar-fill.ok { background: var(--ok); }

/* ---- landing ---- */
.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 2.5rem; align-items: center; padding: 1rem 0 2.5rem; }
.kicker { font-weight: 900; text-transform: uppercase; letter-spacing: .1em; font-size: .85rem; margin: 0 0 .6rem; }
.blink { color: var(--danger); animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }
h1.mega { font-size: clamp(3rem, 11vw, 6.5rem); line-height: .9; border: 0; padding: 0; margin: 0 0 1rem; letter-spacing: -.02em; }
h1.mega .sub1 { display: block; font-size: clamp(1.2rem, 4.2vw, 2.1rem); letter-spacing: .02em; margin-top: .5rem; background: var(--accent); border: var(--border); padding: .25rem .6rem; width: fit-content; box-shadow: var(--shadow); }
.lead { font-size: 1.2rem; max-width: 36ch; margin: 1.4rem 0 1rem; }
.rot { display: inline-block; background: var(--ink); color: var(--accent); padding: 0 .4rem; transition: opacity .25s, transform .25s; }
.rot.out { opacity: 0; transform: translateY(-6px); }
.made { border-left: 8px solid var(--ink); padding-left: .8rem; margin: 1.2rem 0; }
.cta { display: flex; flex-wrap: wrap; gap: 1rem; margin: 1.4rem 0 .5rem; }
.big-btn { font-size: 1.1rem; padding: .8rem 1.3rem; }
.plain-btn { background: var(--paper); }
.hero-demo .demo-card { border: var(--border); box-shadow: 10px 10px 0 var(--ink); background: #111; color: #fff; padding: 1rem; transform: rotate(1.2deg); transition: transform .3s; }
.hero-demo .demo-card:hover { transform: rotate(0); }
.demo-cap { display: flex; justify-content: space-between; font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: .5rem; color: var(--accent); }
.demo-row { display: flex; gap: .8rem; align-items: center; }
.demo-row canvas { width: 50%; height: auto; image-rendering: pixelated; border: 3px solid #fff; background: #000; }
.demo-note { margin-top: .7rem; font-size: .85rem; min-height: 2.6em; }
.ticker { overflow: hidden; border-block: var(--border); background: var(--ink); color: var(--accent); margin: 0 -1rem 2.5rem; }
.ticker .track { display: inline-flex; gap: 2.5rem; padding: .7rem 0; white-space: nowrap; font-weight: 900; text-transform: uppercase; letter-spacing: .12em; animation: tick 40s linear infinite; }
.ticker span::after { content: "  //"; color: #fff; }
@keyframes tick { to { transform: translateX(-50%); } }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1.2rem; margin-bottom: 3rem; }
.stat { border: var(--border); box-shadow: var(--shadow); padding: 1rem; text-align: center; background: var(--paper); text-transform: uppercase; font-weight: 700; }
.stat .num { font-size: 3.4rem; font-weight: 900; line-height: 1; }
.stat:nth-child(odd) { background: var(--accent); }
h2.sect { font-size: 1.8rem; border-bottom: var(--border); padding-bottom: .3em; margin-bottom: 1.2rem; }
.steps4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1.2rem; margin-bottom: 3rem; }
.step4 { border: var(--border); padding: 1rem; background: var(--paper); transition: transform .15s, box-shadow .15s; box-shadow: 0 0 0 var(--ink); }
.step4:hover { transform: translate(-4px, -4px); box-shadow: 8px 8px 0 var(--ink); background: var(--accent); }
.step4 .n { display: inline-block; background: var(--ink); color: var(--accent); font-weight: 900; padding: 0 .6rem; font-size: 1.3rem; margin-bottom: .5rem; }
.step4 p { margin: 0; }
.road { list-style: none; padding: 0; margin: 0 0 3rem; display: grid; gap: .8rem; counter-reset: none; }
.road li { display: grid; grid-template-columns: 6rem 1fr; gap: 1rem; align-items: center; border: var(--border); padding: .7rem 1rem; background: var(--paper); }
.road li .d { font-weight: 900; background: var(--ink); color: var(--accent); padding: .2rem .5rem; text-align: center; }
.road li.final { background: var(--accent); box-shadow: var(--shadow); }
.road li span { font-size: .9rem; }
.credit { text-align: center; border: var(--border); padding: 1.5rem; margin: 2rem 0 0; background: var(--ink); color: var(--paper); }
.credit strong:first-child { color: var(--accent); }
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .5s ease, transform .5s ease; }
.js .reveal.in { opacity: 1; transform: none; }
@media (max-width: 800px) { .hero { grid-template-columns: 1fr; } .hero-demo .demo-card { transform: none; } .road li { grid-template-columns: 4.5rem 1fr; } }
@media (prefers-reduced-motion: reduce) { .ticker .track { animation: none; } .js .reveal { opacity: 1; transform: none; } .blink { animation: none; } }

/* ---- dashboard + course map ---- */
.nextcard { display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: center; }
.nextcard h2 { margin-bottom: .3rem; }
.overall { margin: 1rem 0 2rem; }
.overall .lab { display: flex; justify-content: space-between; font-weight: 900; text-transform: uppercase; font-size: .85rem; margin-bottom: .3rem; }
.tabs { display: flex; gap: .6rem; margin: 0 0 1.2rem; flex-wrap: wrap; }
.tabs button { background: var(--paper); }
.tabs button[aria-selected="true"] { background: var(--ink); color: var(--accent); }
.weekhead { margin-bottom: 1rem; }
.weekhead p { margin: 0; }
.daygrid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); margin-bottom: 2rem; }
.daycard { border: var(--border); box-shadow: var(--shadow); background: var(--paper); padding: 1rem; display: flex; flex-direction: column; gap: .5rem; }
.daycard .top { display: flex; gap: .8rem; align-items: center; }
.daycard .n { font-size: 2.6rem; font-weight: 900; line-height: 1; min-width: 3rem; }
.daycard h2 { font-size: 1.05rem; margin: 0; }
.daycard .blurb { margin: 0; font-size: .92rem; }
.daycard .chips { display: flex; flex-wrap: wrap; gap: .3rem; }
.daycard .chips span { font-size: .72rem; border: 2px solid var(--ink); padding: 0 .35rem; background: var(--grey); }
.daycard .meters { font-size: .78rem; display: flex; flex-wrap: wrap; gap: .3rem .8rem; }
.daycard .act { margin-top: auto; padding-top: .4rem; }
.daycard.locked, .daycard.soon { background: var(--grey); box-shadow: none; opacity: .85; }
.daycard.done { background: #B6F5CE; }
.daycard.current { background: var(--accent); }
.daycard.final { border-style: double; border-width: 8px; }

/* ---- paged lessons ---- */
.lessonwrap { display: grid; grid-template-columns: 17rem 1fr; gap: 1.5rem; align-items: start; }
.outline { position: sticky; top: .8rem; border: var(--border); background: var(--paper); box-shadow: var(--shadow); max-height: calc(100vh - 2rem); overflow-y: auto; }
.outline h2 { margin: 0; padding: .5rem .8rem; background: var(--ink); color: var(--accent); font-size: .85rem; }
.outline ol { list-style: none; margin: 0; padding: 0; }
.outline li button { all: unset; box-sizing: border-box; display: grid; grid-template-columns: 1.6rem 1fr; gap: .2rem; width: 100%; padding: .35rem .6rem; cursor: pointer; font-size: .78rem; border-bottom: 1px solid #ccc; }
.outline li.lvl3 button { padding-left: 1.3rem; }
.outline li button:hover { background: var(--accent); }
.outline li.cur button { background: var(--ink); color: var(--accent); font-weight: 900; }
.outline li .ic { font-weight: 900; text-align: center; }
.outline li.ok .ic { color: var(--ok); } .outline li.cur.ok .ic { color: #7CFF9E; }
.outline li.need .ic { color: var(--danger); }
.pagerbar { position: sticky; top: 0; z-index: 15; background: var(--paper); border: var(--border); padding: .5rem .8rem; margin-bottom: 1.2rem; display: grid; gap: .4rem; box-shadow: 4px 4px 0 var(--ink); }
.pagerbar .row2 { display: flex; justify-content: space-between; gap: 1rem; align-items: center; flex-wrap: wrap; }
.pagerbar .where { font-weight: 900; text-transform: uppercase; font-size: .85rem; }
.pagerbar .btns { display: flex; gap: .5rem; align-items: center; }
.page { display: none; }
.page.show { display: block; animation: pagein .25s ease; }
@keyframes pagein { from { opacity: 0; transform: translateX(14px); } to { opacity: 1; transform: none; } }
.page > h2.ptitle { font-size: 1.7rem; border-bottom: var(--border); padding-bottom: .3em; margin-bottom: 1.2rem; }
.pagenav { display: flex; justify-content: space-between; gap: 1rem; margin: 2rem 0 0; flex-wrap: wrap; }
.nudge { border: var(--border); background: #fffbe0; padding: .6rem .9rem; margin: 0 0 1.2rem; font-weight: 700; }
.nudge.ok { background: #B6F5CE; }
.cardrow { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); margin-bottom: 1.5rem; }
.cardrow .card { margin: 0; }
dl.terms { margin: 0; display: grid; grid-template-columns: 1fr; gap: .6rem; }
dl.terms > div { border: 3px solid var(--ink); padding: .5rem .8rem; background: var(--paper); }
dl.terms dt { font-weight: 900; text-transform: uppercase; font-size: .85rem; }
dl.terms dd { margin: .1rem 0 0; }
.reveal-out { margin: .5rem 1rem 1rem; }
.reveal-out button { background: var(--paper); }
.outputs.covered { display: none; }
.keyhint { font-size: .75rem; }
@media (max-width: 900px) {
  .lessonwrap { grid-template-columns: 1fr; }
  .outline { position: static; max-height: none; display: none; }
  .outline.open { display: block; }
}
@media (min-width: 901px) { #outline-toggle { display: none; } }

/* ---- fixes after first visual check ---- */
.lessonwrap > * { min-width: 0; }
#pages { min-width: 0; }
.hero .help { margin: 1rem 0 0; }
.ticker { width: 100vw; margin-left: calc(50% - 50vw); margin-right: 0; }
body { overflow-x: hidden; }
.instbar a[aria-current="page"] { background: var(--ink); color: var(--accent); }
@media (max-width: 600px) { header.top nav { flex-basis: 100%; order: 3; } }