/* EasyAllen: a 2-bit instrument for the Allen Cell Types Database.
   Palette is four grays (true 2-bit) plus Mega Man blue as the only accent. */

:root {
  --ink: #000000;
  --dark: #555555;
  --light: #aaaaaa;
  --paper: #ffffff;
  --blue: #0070ec;
  --cyan: #3cbcfc;

  --font: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --fs-xs: 11px;
  --fs-s: 12px;
  --fs-m: 14px;
  --fs-l: 18px;
  --fs-xl: 26px;
  --fs-xxl: 44px;

  --px: 2px; /* one "hardware pixel" of the 2-bit look */
  --gap: 16px;
  --rail: 264px;
  --bar: 52px;
  --status: 28px;

  --dither-50: repeating-conic-gradient(var(--ink) 0 25%, var(--paper) 0 50%) 0 0 / 4px 4px;
  --dither-25: radial-gradient(var(--ink) 0.8px, transparent 1px) 0 0 / 4px 4px;
  --dither-blue: repeating-conic-gradient(var(--blue) 0 25%, var(--paper) 0 50%) 0 0 / 4px 4px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: var(--fs-m);
  line-height: 1.5;
  font-variant-ligatures: none;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; outline: none; padding-bottom: calc(var(--status) + 24px); }
a { color: var(--blue); text-underline-offset: 3px; text-decoration-thickness: 2px; }
a:hover { background: var(--blue); color: var(--paper); text-decoration: none; }
::selection { background: var(--blue); color: var(--paper); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }
h1, h2, h3, h4 { margin: 0; line-height: 1.2; font-weight: 800; letter-spacing: -0.01em; }
p { margin: 0 0 12px; }
button, input, select, textarea { font: inherit; color: inherit; }
.sprite { display: block; image-rendering: pixelated; }
.muted { color: var(--dark); }
.num { font-variant-numeric: tabular-nums; }
.hidden { display: none !important; }
.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: var(--paper); padding: 8px 12px; z-index: 50; }
.skip:focus { left: 8px; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  height: var(--bar);
  display: flex; align-items: center; gap: 24px;
  padding: 0 16px;
  background: var(--ink); color: var(--paper);
  border-bottom: var(--px) solid var(--ink);
}
.topbar::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 4px;
  background: var(--dither-50); opacity: 0.9; pointer-events: none;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--paper); text-decoration: none; }
.brand:hover { background: none; color: var(--cyan); }
.brand-mark { color: var(--paper); }
.brand-name { font-weight: 800; font-size: var(--fs-l); letter-spacing: -0.02em; }
.nav { display: flex; gap: 2px; margin-left: auto; }
.nav a {
  color: var(--paper); text-decoration: none; padding: 6px 12px; font-weight: 500;
  border: var(--px) solid transparent;
}
.nav a:hover { background: var(--dark); color: var(--paper); }
.nav a[aria-current="page"] { background: var(--paper); color: var(--ink); }
.nav a.nav-cta { background: var(--blue); color: var(--paper); font-weight: 700; margin-left: 10px; }
.nav a.nav-cta:hover { background: var(--paper); color: var(--ink); }
.nav a.nav-cta[aria-current="page"] { background: var(--paper); color: var(--ink); }

/* ---------- status bar ---------- */
.statusbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 20;
  height: var(--status);
  display: flex; align-items: center; gap: 10px;
  padding: 0 16px;
  background: var(--paper); border-top: var(--px) solid var(--ink);
  font-size: var(--fs-s);
}
.statusbar a { color: var(--ink); }
.status-spacer { flex: 1; }
.status-dot { width: 8px; height: 8px; background: var(--light); flex: none; }
.status-dot[data-state="busy"] { background: var(--blue); animation: blink 0.6s steps(2) infinite; }
.status-dot[data-state="ok"] { background: var(--ink); }
.status-dot[data-state="error"] { background: var(--ink); outline: 2px solid var(--ink); outline-offset: 2px; }
@keyframes blink { 50% { opacity: 0; } }
#status-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ---------- generic building blocks ---------- */
.wrap { max-width: 1320px; margin: 0 auto; padding: 28px 16px 0; }
.panel { border: var(--px) solid var(--ink); background: var(--paper); }
.panel-head {
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
  padding: 8px 12px; border-bottom: var(--px) solid var(--ink);
}
.panel-head h2, .panel-head h3 { font-size: var(--fs-m); font-weight: 800; }
.panel-head .aside { margin-left: auto; font-size: var(--fs-s); color: var(--dark); }
.panel-body { padding: 12px; }

.btn {
  --notch: 4px;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px; border: 0; cursor: pointer; text-decoration: none;
  background: var(--ink); color: var(--paper); font-weight: 700; font-size: var(--fs-m);
  clip-path: polygon(var(--notch) 0, calc(100% - var(--notch)) 0, 100% var(--notch), 100% calc(100% - var(--notch)), calc(100% - var(--notch)) 100%, var(--notch) 100%, 0 calc(100% - var(--notch)), 0 var(--notch));
}
.btn:hover { background: var(--blue); color: var(--paper); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--blue); }
.btn.primary:hover { background: var(--ink); }
.btn.ghost { background: var(--paper); color: var(--ink); box-shadow: inset 0 0 0 var(--px) var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--paper); }
.btn.small { padding: 4px 10px; font-size: var(--fs-s); --notch: 3px; }
.btn[disabled] { opacity: 0.4; cursor: not-allowed; }

.seg { display: inline-flex; border: var(--px) solid var(--ink); }
.seg button {
  border: 0; background: var(--paper); padding: 5px 12px; cursor: pointer; font-weight: 500;
  border-right: var(--px) solid var(--ink);
}
.seg button:last-child { border-right: 0; }
.seg button:hover { background: var(--light); }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 1px 8px; border: var(--px) solid var(--ink); font-size: var(--fs-s); white-space: nowrap;
}
.chip.solid { background: var(--ink); color: var(--paper); }
.chip.blue { background: var(--blue); border-color: var(--blue); color: var(--paper); }

.field { display: grid; gap: 4px; }
.field > span { font-size: var(--fs-s); font-weight: 700; }
input[type="search"], input[type="text"], input[type="number"], select, textarea {
  width: 100%; padding: 6px 8px; background: var(--paper);
  border: var(--px) solid var(--ink); border-radius: 0;
}
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%); background-position: calc(100% - 14px) 50%, calc(100% - 9px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 26px; }
textarea { resize: vertical; min-height: 96px; line-height: 1.5; }
input:focus, select:focus, textarea:focus { outline: 3px solid var(--blue); outline-offset: 0; }
input[type="checkbox"], input[type="radio"] { accent-color: var(--blue); width: 15px; height: 15px; margin: 0; }
input[type="range"] { accent-color: var(--blue); width: 100%; }

.check { display: flex; align-items: center; gap: 8px; cursor: pointer; padding: 2px 0; }
.check small { color: var(--dark); margin-left: auto; font-variant-numeric: tabular-nums; }

.meter { height: 8px; border: var(--px) solid var(--ink); position: relative; background: var(--paper); }
.meter > i { position: absolute; left: 0; top: 0; bottom: 0; background: var(--dither-50); }
.meter > b { position: absolute; top: -4px; bottom: -4px; width: 4px; background: var(--blue); transform: translateX(-2px); }

.loading-line {
  height: 6px; background: var(--dither-25); position: relative; overflow: hidden; border: var(--px) solid var(--ink);
}
.loading-line > i { position: absolute; inset: 0; background: var(--blue); transform-origin: left; transform: scaleX(var(--p, 0)); transition: transform 0.2s steps(4); }
.loading-line.indeterminate > i { width: 30%; transform: translateX(-100%); animation: sweep 1.2s steps(12) infinite; }
@keyframes sweep { from { transform: translateX(-100%); } to { transform: translateX(340%); } }

.note { border: var(--px) solid var(--blue); padding: 8px 12px; background: var(--paper); }
.note.plain { border-color: var(--ink); border-style: dashed; }
.empty { padding: 32px 16px; text-align: center; color: var(--dark); }
.error-box { border: var(--px) solid var(--ink); padding: 12px; background: var(--dither-25); }
.error-box > div { background: var(--paper); padding: 10px 12px; border: var(--px) solid var(--ink); }

.kbd { display: inline-block; padding: 0 5px; border: var(--px) solid var(--ink); border-bottom-width: 3px; font-size: var(--fs-xs); line-height: 1.4; }

/* ---------- home ---------- */
.hero { border-bottom: var(--px) solid var(--ink); }
.hero-inner { max-width: 1320px; margin: 0 auto; padding: 44px 16px 28px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: 40px; align-items: end; }
.hero h1 { font-size: var(--fs-xxl); letter-spacing: -0.04em; line-height: 1; }
.hero .lede { font-size: var(--fs-l); line-height: 1.45; max-width: 36ch; margin: 18px 0 22px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-note { font-size: var(--fs-s); color: var(--dark); margin: 14px 0 0; max-width: 46ch; }
.hero-scope { position: relative; }
.hero-scope canvas { width: 100%; height: 240px; display: block; background: var(--ink); }
.hero-scope figcaption { font-size: var(--fs-s); color: var(--dark); padding-top: 8px; display: flex; gap: 10px; flex-wrap: wrap; }
.hero-scope figcaption b { color: var(--ink); }

.doors { max-width: 1320px; margin: 0 auto; padding: 28px 16px 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.door { display: flex; flex-direction: column; gap: 8px; padding: 16px; border: var(--px) solid var(--ink); text-decoration: none; color: var(--ink); min-height: 170px; }
.door:hover { background: var(--ink); color: var(--paper); }
.door:hover .door-go { background: var(--blue); color: var(--paper); }
.door h2 { font-size: var(--fs-l); }
.door p { margin: 0; flex: 1; }
.door.feature { outline: var(--px) solid var(--blue); outline-offset: -6px; }
.door.feature .door-go { background: var(--blue); }
.door-eyebrow { font-size: var(--fs-xs); font-weight: 700; color: var(--blue); }
.door:hover .door-eyebrow { color: var(--cyan); }
.door-go { align-self: flex-start; padding: 2px 8px; background: var(--ink); color: var(--paper); font-weight: 700; font-size: var(--fs-s); }
.facts { max-width: 1320px; margin: 0 auto; padding: 28px 16px 0; display: grid; grid-template-columns: 1.1fr 1fr; gap: 32px; }
.facts h3 { font-size: var(--fs-m); margin-bottom: 8px; }
.facts ol { margin: 0; padding-left: 20px; }
.facts li { margin-bottom: 6px; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); border: var(--px) solid var(--ink); }
.stat-row > div { padding: 10px 12px; border-right: var(--px) solid var(--ink); }
.stat-row > div:last-child { border-right: 0; }
.stat-row b { display: block; font-size: var(--fs-xl); font-weight: 800; letter-spacing: -0.03em; }

/* ---------- cell browser ---------- */
.browser { display: grid; grid-template-columns: var(--rail) minmax(0, 1fr); min-height: calc(100vh - var(--bar) - var(--status)); }
.rail { border-right: var(--px) solid var(--ink); padding: 16px; display: grid; align-content: start; gap: 18px; }
.rail h2 { font-size: var(--fs-m); }
.rail fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: 2px; }
.rail legend { font-weight: 800; font-size: var(--fs-s); padding: 0; margin-bottom: 6px; display: flex; gap: 6px; align-items: center; }
.rail .hint { font-size: var(--fs-xs); color: var(--dark); line-height: 1.4; margin: 2px 0 4px; }
.layer-grid { display: flex; flex-wrap: wrap; gap: 4px; }
.layer-grid label { cursor: pointer; }
.layer-grid input { position: absolute; opacity: 0; }
.layer-grid span { display: inline-block; padding: 2px 8px; border: var(--px) solid var(--ink); font-size: var(--fs-s); }
.layer-grid input:checked + span { background: var(--ink); color: var(--paper); }
.layer-grid input:focus-visible + span { outline: 3px solid var(--blue); outline-offset: 1px; }

.results { min-width: 0; display: flex; flex-direction: column; }
.results-bar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; padding: 12px 16px; border-bottom: var(--px) solid var(--ink); }
.results-bar .count { font-weight: 800; font-size: var(--fs-l); }
.results-bar .search { flex: 1 1 260px; max-width: 460px; position: relative; }
.results-bar .search .kbd { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); background: var(--paper); }

.table-scroll { overflow-x: auto; }
table.grid { width: 100%; border-collapse: collapse; font-size: var(--fs-s); }
table.grid th, table.grid td { padding: 6px 10px; text-align: left; white-space: nowrap; border-bottom: 1px solid var(--light); }
table.grid th { position: sticky; top: 0; background: var(--paper); border-bottom: var(--px) solid var(--ink); font-weight: 800; z-index: 2; }
table.grid th button { all: unset; cursor: pointer; display: inline-flex; gap: 4px; align-items: center; }
table.grid th button:focus-visible { outline: 3px solid var(--blue); }
table.grid th[aria-sort] button::after { content: ""; width: 0; height: 0; border: 4px solid transparent; }
table.grid th[aria-sort="ascending"] button::after { border-bottom-color: var(--blue); margin-top: -4px; }
table.grid th[aria-sort="descending"] button::after { border-top-color: var(--blue); margin-top: 4px; }
table.grid td.r, table.grid th.r { text-align: right; font-variant-numeric: tabular-nums; }
table.grid tbody tr { cursor: pointer; }
table.grid tbody tr:hover { background: var(--ink); color: var(--paper); }
table.grid tbody tr:hover .chip { border-color: var(--paper); }
table.grid tbody tr:hover a { color: var(--cyan); }
table.grid tbody tr:focus-visible { outline: 3px solid var(--blue); outline-offset: -3px; }
.browser .table-scroll { overflow: auto; max-height: calc(100vh - var(--bar) - var(--status) - 118px); min-height: 320px; border-bottom: var(--px) solid var(--ink); }
.browser .results { position: sticky; top: var(--bar); align-self: start; }
.pager { display: flex; align-items: center; gap: 12px; padding: 12px 16px; font-size: var(--fs-s); }
.dend { display: inline-flex; align-items: center; gap: 6px; }

/* ---------- cell page ---------- */
.cell-head { display: flex; flex-wrap: wrap; gap: 16px; align-items: flex-end; justify-content: space-between; padding-bottom: 16px; border-bottom: var(--px) solid var(--ink); }
.cell-head h1 { font-size: var(--fs-xl); letter-spacing: -0.03em; }
.cell-head .crumbs { font-size: var(--fs-s); margin-bottom: 6px; }
.cell-head .tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.cell-head .actions { display: flex; gap: 8px; flex-wrap: wrap; }

.cell-grid { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 16px; margin-top: 16px; align-items: start; }
.cell-side { display: grid; gap: 16px; }
.cell-main { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; min-width: 0; }

.feat { display: grid; gap: 12px; }
.feat-row { display: grid; gap: 4px; }
.feat-row .top { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; }
.feat-row .name { font-weight: 700; font-size: var(--fs-s); }
.feat-row .name button { all: unset; cursor: help; border-bottom: 2px dotted var(--dark); }
.feat-row .name button:focus-visible { outline: 3px solid var(--blue); }
.feat-row .val { font-variant-numeric: tabular-nums; font-weight: 800; }
.feat-row .pct { font-size: var(--fs-xs); color: var(--dark); }
.feat-row .explain { font-size: var(--fs-xs); color: var(--dark); line-height: 1.4; }

.morph { display: grid; place-items: center; background: var(--paper); min-height: 160px; }
.morph img { max-width: 100%; height: auto; display: block; }

.sweep-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); }
.sweeps { border-right: var(--px) solid var(--ink); max-height: 640px; overflow: auto; }
.sweeps h4 { position: sticky; top: 0; background: var(--ink); color: var(--paper); font-size: var(--fs-s); padding: 4px 10px; font-weight: 700; z-index: 1; }
.sweeps button {
  all: unset; box-sizing: border-box; width: 100%; cursor: pointer;
  display: grid; grid-template-columns: 34px 1fr auto; gap: 6px; padding: 4px 10px; font-size: var(--fs-s);
  font-variant-numeric: tabular-nums; border-bottom: 1px solid var(--light);
}
.sweeps button:hover { background: var(--light); }
.sweeps button:focus-visible { outline: 3px solid var(--blue); outline-offset: -3px; }
.sweeps button[aria-current="true"] { background: var(--blue); color: var(--paper); }
.sweeps button .spk { color: var(--dark); }
.sweeps button[aria-current="true"] .spk { color: var(--paper); }

.scope-wrap { min-width: 0; display: flex; flex-direction: column; }
.scope-tools { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 8px 12px; border-bottom: var(--px) solid var(--ink); }
.scope-tools .spacer { flex: 1; }
.scope-tools label.inline { display: inline-flex; align-items: center; gap: 8px; font-size: var(--fs-s); }
.scope-tools input[type="number"] { width: 76px; padding: 3px 6px; }
.scope { position: relative; background: var(--ink); color: var(--paper); user-select: none; touch-action: pan-y; }
.scope canvas { display: block; width: 100%; }
.scope .overlay-msg { position: absolute; inset: 0; display: grid; place-items: center; padding: 24px; text-align: center; color: var(--paper); }
.scope .overlay-msg .box { background: var(--ink); border: var(--px) solid var(--paper); padding: 16px 20px; max-width: 460px; display: grid; gap: 10px; justify-items: center; }
.scope .overlay-msg .loading-line { width: 240px; border-color: var(--paper); background: repeating-conic-gradient(var(--dark) 0 25%, var(--ink) 0 50%) 0 0 / 4px 4px; }
.scope-hint { font-size: var(--fs-xs); color: var(--dark); padding: 6px 12px; border-top: var(--px) solid var(--ink); display: flex; gap: 12px; flex-wrap: wrap; }

.readout { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.readout > div { padding: 10px 12px; border-right: var(--px) solid var(--ink); border-bottom: var(--px) solid var(--ink); min-width: 0; }
.readout > div:nth-child(4n) { border-right: 0; }
.readout .k { font-size: var(--fs-xs); color: var(--dark); display: block; }
.readout .v { font-size: var(--fs-l); font-weight: 800; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; overflow-wrap: anywhere; }
.readout .v small { font-size: var(--fs-s); font-weight: 500; }
.readout .sub { font-size: var(--fs-xs); color: var(--dark); display: block; font-variant-numeric: tabular-nums; }

.fi { display: grid; grid-template-columns: minmax(0, 1fr) 260px; }
.fi canvas { width: 100%; height: 240px; display: block; cursor: crosshair; }
.fi-side { border-left: var(--px) solid var(--ink); padding: 12px; font-size: var(--fs-s); }

/* ---------- compare ---------- */
.compare { display: grid; grid-template-columns: var(--rail) minmax(0, 1fr); min-height: calc(100vh - var(--bar) - var(--status)); }
.plot-area { padding: 16px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; align-content: start; min-width: 0; }
.scatter { position: relative; border: var(--px) solid var(--ink); }
.scatter canvas { width: 100%; height: 520px; display: block; cursor: crosshair; }
.tip { position: absolute; pointer-events: none; background: var(--ink); color: var(--paper); padding: 6px 8px; font-size: var(--fs-xs); z-index: 5; max-width: 260px; }
.legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: var(--fs-s); }
.legend span { display: inline-flex; gap: 6px; align-items: center; }
.legend canvas { width: 12px; height: 12px; }

/* ---------- lab ---------- */
.lab-page { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
.lab-head { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 36px; align-items: start; padding-bottom: 16px; border-bottom: var(--px) solid var(--ink); }
.lab-head h1 { font-size: var(--fs-xl); letter-spacing: -0.03em; }
.lab-lede { margin: 10px 0 0; max-width: 54ch; }
.lab-steps { margin: 0; padding-left: 20px; display: grid; gap: 6px; font-size: var(--fs-s); }
.lab-switch { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }
.lab-switch .seg button { padding: 8px 18px; font-weight: 700; }
.cmp-table td, .cmp-table th { padding: 6px 10px; }
.cmp-table th { position: static; }
.cmp-table tbody tr { cursor: default; }
.cmp-table tbody tr:hover { background: none; color: inherit; }
.optional-tag { font-size: var(--fs-xs); font-weight: 500; border: var(--px) solid var(--ink); padding: 0 6px; margin-left: 6px; vertical-align: middle; }

/* ---------- guide ---------- */
.guide { max-width: 980px; margin: 0 auto; padding: 28px 16px 0; display: grid; gap: 28px; }
.guide h1 { font-size: var(--fs-xl); letter-spacing: -0.03em; }
.guide h2 { font-size: var(--fs-l); padding-bottom: 6px; border-bottom: var(--px) solid var(--ink); margin-bottom: 12px; }
.guide p, .guide li { max-width: 72ch; }
.terms { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; border: var(--px) solid var(--ink); }
.term { padding: 12px 14px; border-bottom: var(--px) solid var(--ink); border-right: var(--px) solid var(--ink); }
.term:nth-child(2n) { border-right: 0; }
.term h3 { font-size: var(--fs-m); display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.term h3 small { font-weight: 500; color: var(--dark); font-size: var(--fs-s); }
.term p { font-size: var(--fs-s); margin: 6px 0 0; }
.term:target { background: var(--ink); color: var(--paper); }
.term:target small { color: var(--light); }
.diagram { border: var(--px) solid var(--ink); background: var(--ink); }
.diagram canvas { width: 100%; height: 220px; display: block; }

/* ---------- dialogs ---------- */
dialog.popover { border: var(--px) solid var(--ink); padding: 0; max-width: 420px; box-shadow: 6px 6px 0 var(--ink); }
dialog.popover::backdrop { background: rgba(255, 255, 255, 0.6); }
dialog.popover .panel-body { font-size: var(--fs-s); }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .cell-grid { grid-template-columns: minmax(0, 1fr); }
  .cell-side { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
  .cell-side { order: 2; }
  .lab-head { grid-template-columns: minmax(0, 1fr); gap: 16px; }
}
@media (max-width: 860px) {
  :root { --fs-xxl: 34px; }
  .hero-inner { grid-template-columns: minmax(0, 1fr); gap: 24px; padding-top: 28px; }
  .doors { grid-template-columns: minmax(0, 1fr); }
  .facts { grid-template-columns: minmax(0, 1fr); }
  .browser, .compare { grid-template-columns: minmax(0, 1fr); }
  .browser .results { position: static; }
  .browser .table-scroll { max-height: 70vh; }
  .rail { border-right: 0; border-bottom: var(--px) solid var(--ink); }
  .sweep-layout { grid-template-columns: minmax(0, 1fr); }
  .sweeps { border-right: 0; border-bottom: var(--px) solid var(--ink); max-height: 220px; }
  .readout { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .readout > div:nth-child(2n) { border-right: 0; }
  .fi { grid-template-columns: minmax(0, 1fr); }
  .fi-side { border-left: 0; border-top: var(--px) solid var(--ink); }
  .terms { grid-template-columns: minmax(0, 1fr); }
  .term { border-right: 0; }
  .scatter canvas { height: 380px; }
}
@media (max-width: 560px) {
  .topbar { gap: 8px; padding: 0 12px; }
  .brand-name { display: none; }
  .nav a { padding: 6px 8px; }
  .nav a.nav-cta { margin-left: 4px; }
  .status-meta { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}