/* Architecture page: builds on ../style.css tokens and glass material */
:root {
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --heat-neg: 37 99 235;
  --heat-pos: 234 88 12;
  --special: 124 58 237;
  --piece: 13 148 136;
}
:root[data-theme="dark"] { --heat-neg: 96 165 250; --heat-pos: 251 146 60; --special: 167 139 250; --piece: 45 212 191; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --heat-neg: 96 165 250; --heat-pos: 251 146 60; --special: 167 139 250; --piece: 45 212 191; }
}

.nav nav a[aria-current="page"] { background: var(--glass-inset); color: var(--ink); }
code { font-family: var(--mono); font-size: 0.88em; padding: 1px 6px; border-radius: 6px; background: var(--glass-inset); }

/* ===== Hero + probe ===== */
.arch-hero { padding-bottom: 24px; }
.arch-hero h1 { font-size: clamp(1.9rem, 3.6vw, 2.6rem); }
.probe { max-width: 820px; margin: 36px auto 0; text-align: start; }
.probe-row { display: flex; gap: 12px; align-items: center; }
#sentence {
  flex: 1; min-width: 0; border: 0; outline: none;
  padding: 15px 18px; border-radius: 16px;
  background: var(--glass-inset);
  box-shadow: inset 0 0 0 1px var(--line);
  color: var(--ink); font: 500 16px/1.4 var(--font);
  transition: box-shadow 0.3s var(--ease);
}
#sentence:focus { box-shadow: inset 0 2px 6px rgba(10, 15, 40, 0.12), 0 0 0 3px rgb(var(--accent) / 0.45); }
.probe-verdict {
  flex: none; padding: 10px 16px; border-radius: 999px; font-weight: 600; font-size: 14px; letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums; color: #fff; background: rgb(var(--idle) / 0.85);
  box-shadow: inset 0 0 0 1px var(--line); transition: background 0.4s var(--ease);
  white-space: nowrap;
}
.probe-verdict[data-state="safe"] { background: rgb(var(--safe) / 0.92); }
.probe-verdict[data-state="injection"] { background: rgb(var(--danger) / 0.92); }
.probe-verdict.small { padding: 6px 12px; font-size: 12.5px; }
.presets { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.preset {
  border: 0; padding: 7px 13px; border-radius: 999px; font-size: 13px; font-weight: 500; color: var(--ink-2);
  background: var(--glass-inset); box-shadow: inset 0 0 0 1px var(--line);
  transition: transform 0.35s var(--spring), color 0.2s;
}
.preset:hover { transform: translateY(-1px); color: var(--ink); }
.preset .dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-inline-end: 7px; vertical-align: 1px; box-shadow: none; }
.probe-status { margin-top: 12px; font-size: 13px; color: var(--ink-3); }
.probe-dl { margin-top: 12px; }

.toc { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; max-width: 900px; margin: 28px auto 0; }
.toc-link {
  display: inline-flex; align-items: center; gap: 8px; padding-block: 8px; padding-inline: 8px 14px; border-radius: 999px;
  text-decoration: none; font-size: 13.5px; font-weight: 600; color: var(--ink-2);
  transition: transform 0.35s var(--spring), color 0.2s;
}
.toc-link:hover { transform: translateY(-2px); color: var(--ink); }
.toc-link > span:first-child {
  display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%;
  background: rgb(var(--accent) / 0.9); color: #fff; font-size: 11.5px;
}

/* ===== Chapters ===== */
.chapter { padding: 72px 0 8px; }
.chapter-head { display: flex; gap: 18px; align-items: flex-start; margin-bottom: 26px; }
.chapter-head h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); }
.chapter-head p { color: var(--ink-2); margin-top: 8px; max-width: 760px; font-size: 16.5px; }
.ch-num {
  flex: none; display: grid; place-items: center; width: 46px; height: 46px; border-radius: 15px;
  font-weight: 600; font-size: 20px; color: #fff;
  background: linear-gradient(160deg, rgb(var(--accent) / 0.95), rgb(var(--accent) / 0.7));
  box-shadow: inset 0 0 0 1px var(--line);
}
.split { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 22px; align-items: start; }
.split.tight { gap: 18px; margin-top: 22px; }
.prose { font-size: 15.5px; color: var(--ink-2); }
.prose p + p, .prose ul + p, .prose p + ul, .prose h3 + p, .prose p + h3, .prose p + details, .prose ul + details { margin-top: 14px; }
.prose strong { color: var(--ink); }
.prose h3 { font-size: 17px; color: var(--ink); }
.prose h3:not(:first-child) { margin-top: 22px; }
.ticks { margin: 10px 0 0; padding: 0; list-style: none; }
.ticks li { position: relative; padding-inline-start: 22px; margin-top: 7px; }
.ticks li::before { content: ""; position: absolute; inset-inline-start: 4px; top: 0.62em; width: 8px; height: 8px; border-radius: 50%; background: rgb(var(--accent)); }
.callout {
  padding: 14px 16px; border-radius: 16px; background: var(--glass-inset);
  box-shadow: inset 3px 0 0 rgb(var(--accent) / 0.85), inset 0 0 0 1px var(--line);
}
.callout b { color: var(--ink); }

/* ===== Maths toggle ===== */
details.maths { margin-top: 18px; border-radius: 18px; background: var(--glass-inset); box-shadow: inset 0 0 0 1px var(--line); }
details.maths summary {
  list-style: none; cursor: pointer; padding: 12px 16px; font-weight: 600; font-size: 14px; color: var(--ink);
  display: flex; align-items: center; gap: 10px; border-radius: 18px;
}
details.maths summary::-webkit-details-marker { display: none; }
details.maths summary::before {
  content: "∑"; display: grid; place-items: center; width: 26px; height: 26px; border-radius: 8px;
  background: rgb(var(--accent) / 0.9); color: #fff; font-size: 14px;
}
details.maths summary::after { content: "›"; margin-inline-start: auto; font-size: 20px; color: var(--ink-3); transition: transform 0.35s var(--spring); }
details.maths[open] summary::after { transform: rotate(90deg); }
details.maths summary:focus-visible { outline: 3px solid rgb(var(--accent) / 0.6); outline-offset: 2px; }
.maths-body { padding: 4px 18px 18px; font-size: 14.5px; color: var(--ink-2); }
.maths-body p { margin-top: 10px; }
.tex { overflow-x: auto; overflow-y: hidden; padding: 6px 2px; margin-top: 8px; color: var(--ink); }
.tex .katex-display { margin: 0.4em 0; }
.tex-inline { color: var(--ink); }

/* ===== Visual panels ===== */
.viz { padding: 22px; }
.viz-col { display: grid; gap: 22px; }
.viz-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.viz-head.sub { margin-top: 24px; }
.viz-head h3 { font-size: 16px; }
.viz-meta { font-size: 12.5px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.viz-caption, .viz-foot { font-size: 12.5px; color: var(--ink-3); }
.viz-foot { margin-top: 10px; min-height: 1.4em; font-variant-numeric: tabular-nums; }
.sw { display: inline-block; width: 10px; height: 10px; border-radius: 3px; vertical-align: -1px; }
.sw.neg { background: rgb(var(--heat-neg)); } .sw.pos { background: rgb(var(--heat-pos)); }
.wide-viz { padding: 24px; }

/* Tokens */
.tokens { display: flex; flex-wrap: wrap; gap: 8px; }
.tok {
  display: inline-flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 8px 10px 6px; border-radius: 12px; min-width: 44px;
  background: var(--glass-inset); box-shadow: inset 0 0 0 1px var(--line), inset 0 -2px 0 rgb(var(--accent) / 0.5);
  animation: chip-in 0.45s var(--spring) both;
}
.tok b { font: 500 14px var(--mono); color: var(--ink); white-space: pre; }
.tok small { font: 11px var(--mono); color: var(--ink-3); }
.tok.special { box-shadow: inset 0 0 0 1px var(--line), inset 0 -2px 0 rgb(var(--special)); }
.tok.special b { color: rgb(var(--special)); }
.tok.piece { box-shadow: inset 0 0 0 1px var(--line), inset 0 -2px 0 rgb(var(--piece)); }
.legend-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 14px; font-size: 12.5px; color: var(--ink-3); }
.lg::before { content: ""; display: inline-block; width: 14px; height: 3px; border-radius: 2px; margin-inline-end: 6px; vertical-align: 3px; }
.lg.special::before { background: rgb(var(--special)); } .lg.piece::before { background: rgb(var(--piece)); } .lg.word::before { background: rgb(var(--accent) / 0.6); }

/* Heat strips */
.strips { display: grid; gap: 3px; margin-top: 10px; }
.strip-row { display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 10px; align-items: center; border-radius: 6px; }
.strip-row span { font: 12px var(--mono); color: var(--ink-2); text-align: right; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.strip-row canvas { width: 100%; height: 14px; border-radius: 4px; display: block; image-rendering: pixelated; }
.strip-row:hover span, .strip-row.on span { color: var(--ink); font-weight: 600; }
.strip-row:hover canvas, .strip-row.on canvas { outline: 2px solid rgb(var(--accent) / 0.7); outline-offset: 1px; }
.cls-strips .strip-row canvas { height: 12px; }

/* Controls */
.controls { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 14px; }
.controls .seg { padding: 3px; }
.controls .seg button { padding: 6px 11px; font-size: 12.5px; }
.slider-label { display: flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 600; color: var(--ink-2); }
.slider-label b { display: inline-block; width: 1.6em; color: var(--ink); font-variant-numeric: tabular-nums; }
input[type="range"] {
  -webkit-appearance: none; appearance: none; height: 8px; border-radius: 999px; width: 150px;
  background: var(--glass-inset); box-shadow: inset 0 1px 3px rgba(10, 15, 40, 0.18); outline: none;
}
input[type="range"].wide { width: 100%; margin: 4px 0 8px; }
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 24px; height: 24px; border-radius: 50%; cursor: grab;
  background: linear-gradient(180deg, #fff, #e9edf7);
  box-shadow: 0 3px 10px rgba(20, 30, 80, 0.3), inset 0 1px 0 #fff, 0 0 0 1px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s var(--spring);
}
input[type="range"]::-webkit-slider-thumb:active { transform: scale(1.18); cursor: grabbing; }
input[type="range"]::-moz-range-thumb {
  width: 22px; height: 22px; border: 0; border-radius: 50%; background: #fff;
  box-shadow: 0 3px 10px rgba(20, 30, 80, 0.3);
}
input[type="range"]:focus-visible { outline: 3px solid rgb(var(--accent) / 0.6); outline-offset: 4px; }

/* Attention */
.att-view { position: relative; border-radius: 16px; background: var(--glass-inset); padding: 12px; min-height: 160px; overflow: hidden; }
.att-lines { display: grid; grid-template-columns: minmax(0, 1fr) minmax(90px, 1.4fr) minmax(0, 1fr); align-items: stretch; }
.att-col { display: flex; flex-direction: column; }
.att-col span {
  font: 12.5px var(--mono); padding: 0 8px; border-radius: 6px; color: var(--ink-2); cursor: default;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: block;
  transition: background 0.2s, color 0.2s;
}
.att-col.left span { text-align: right; cursor: pointer; }
.att-col span.on { background: rgb(var(--accent) / 0.16); color: var(--ink); font-weight: 600; }
.att-svg { width: 100%; height: 100%; overflow: visible; }
@media (max-width: 560px) { .att-lines { grid-template-columns: minmax(0, 1fr) minmax(48px, 0.8fr) minmax(0, 1fr); } .att-col span { padding: 0 5px; } }
.att-heat { display: grid; gap: 6px; }
.att-heat canvas { max-width: 100%; border-radius: 8px; display: block; cursor: crosshair; }
.cls-bars-wrap { margin-top: 18px; }
.cls-bars-wrap h4 { font-size: 13.5px; margin: 0 0 10px; }
.cls-bars { display: flex; align-items: flex-end; gap: 3px; height: 110px; }
.cls-bar { flex: 1; min-width: 6px; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; height: 100%; position: relative; }
.cls-bar i { display: block; width: 100%; border-radius: 4px 4px 2px 2px; background: linear-gradient(180deg, rgb(var(--accent)), rgb(var(--accent) / 0.55)); transition: height 0.6s var(--spring); }
.cls-bar small { position: absolute; bottom: -18px; font: 10px var(--mono); color: var(--ink-3); white-space: nowrap; transform: rotate(-40deg); transform-origin: top left; left: 40%; }
.cls-bars-wrap { padding-bottom: 46px; }

/* Layer diagram */
.layer-diagram { display: grid; gap: 8px; }
.ld-in { text-align: center; font: 12px var(--mono); color: var(--ink-3); }
.ld-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; align-items: center; }
.ld-box {
  padding: 12px 14px; border-radius: 14px; text-align: center; font-weight: 600; font-size: 14px; color: var(--ink);
  background: var(--glass-inset); box-shadow: inset 0 0 0 1px var(--line);
}
.ld-box small { display: block; font-weight: 500; font-size: 12px; color: var(--ink-3); margin-top: 2px; }
.ld-box.att { box-shadow: inset 0 0 0 1px var(--line), inset 4px 0 0 rgb(var(--accent)); }
.ld-box.ffn { box-shadow: inset 0 0 0 1px var(--line), inset 4px 0 0 rgb(var(--heat-pos)); }
.ld-box.norm { padding: 8px; font-size: 13px; opacity: 0.85; }
.ld-res { font-size: 12px; font-weight: 600; color: rgb(var(--safe)); padding: 6px 10px; border-radius: 999px; background: rgb(var(--safe) / 0.12); }

/* Charts */
.chart { width: 100%; }
.chart svg { width: 100%; height: auto; display: block; overflow: visible; }
.chart .axis { stroke: var(--ink-3); stroke-width: 1; opacity: 0.5; }
.chart .grid { stroke: var(--ink-3); stroke-width: 1; opacity: 0.14; }
.chart text { fill: var(--ink-3); font: 11px var(--font); }
.chart .lbl { fill: var(--ink-2); font-weight: 600; }
.chart .hover-line { stroke: var(--ink); stroke-width: 1; opacity: 0.4; }

.tau-legend { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 8px; font-size: 12.5px; color: var(--ink-2); }
.tau-legend span { display: inline-flex; align-items: center; gap: 6px; }
.tau-legend i { width: 14px; height: 3px; border-radius: 2px; background: var(--c); }
.tau-legend b { color: var(--ink); font-variant-numeric: tabular-nums; }

/* Classification head */
.head-pipe { display: grid; gap: 8px; }
.hp-step { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 10px; align-items: center; }
.hp-label { font-size: 12.5px; color: var(--ink-2); text-align: right; }
.hp-strip { width: 100%; height: 18px; border-radius: 5px; display: block; image-rendering: pixelated; }
.hp-arrow { text-align: center; font: 11.5px var(--mono); color: var(--ink-3); }
.hp-arrow::before { content: "↓ "; }
.hp-step.logits { grid-template-columns: 1fr 1fr; }
.logit { padding: 12px 14px; border-radius: 14px; background: var(--glass-inset); display: flex; justify-content: space-between; align-items: baseline; }
.logit span { font-size: 13px; color: var(--ink-2); }
.logit b { font: 650 18px var(--mono); color: rgb(var(--safe)); }
.logit.inj b { color: rgb(var(--danger)); }
.hp-prob { display: flex; justify-content: space-between; align-items: baseline; padding: 14px 16px; border-radius: 16px; background: rgb(var(--accent) / 0.12); }
.hp-prob span { font-weight: 600; }
.hp-prob b { font: 700 24px var(--mono); }

/* Parameters */
.stack-bar { display: flex; height: 44px; border-radius: 14px; overflow: hidden; box-shadow: inset 0 0 0 1px var(--line); }
.stack-bar div { height: 100%; transition: filter 0.2s, flex-grow 0.6s var(--spring); position: relative; }
.stack-bar div:hover, .stack-bar div.on { filter: brightness(1.15) saturate(1.2); }
.param-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-top: 16px; }
.param-item { padding: 12px 14px; border-radius: 16px; background: var(--glass-inset); transition: transform 0.35s var(--spring), box-shadow 0.25s; cursor: default; }
.param-item.on, .param-item:hover { transform: translateY(-2px); box-shadow: 0 0 0 2px var(--c); }
.param-item .pi-name { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 13.5px; color: var(--ink); }
.param-item .pi-name i { width: 10px; height: 10px; border-radius: 3px; background: var(--c); flex: none; }
.param-item .pi-num { font: 600 17px var(--mono); margin-top: 4px; color: var(--ink); }
.param-item .pi-detail { font-size: 12px; color: var(--ink-3); }
.mini-h { font-size: 14.5px; margin-bottom: 10px; }
.mini-bars { display: grid; gap: 8px; }
.mb { display: grid; grid-template-columns: minmax(110px, 0.9fr) minmax(0, 1.6fr) auto; gap: 10px; align-items: center; font-size: 13px; }
.mb .mb-name { color: var(--ink-2); }
.mb .mb-track { height: 12px; border-radius: 999px; background: var(--glass-inset); overflow: hidden; }
.mb .mb-track i { display: block; height: 100%; border-radius: inherit; background: rgb(var(--accent) / 0.85); }
.mb.me .mb-track i { background: rgb(var(--safe)); }
.mb .mb-val { font: 12.5px var(--mono); color: var(--ink); text-align: right; min-width: 64px; }

/* Replaced token detection */
.rtd { display: grid; gap: 10px; margin-bottom: 14px; }
.rtd-row { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 10px; align-items: center; }
.rtd-row > span { font-size: 12.5px; color: var(--ink-3); text-align: right; }
.rtd-toks { display: flex; flex-wrap: wrap; gap: 6px; }
.rtd-tok { font: 13.5px var(--mono); padding: 6px 9px; border-radius: 10px; background: var(--glass-inset); color: var(--ink); animation: chip-in 0.45s var(--spring) both; }
.rtd-tok small { display: block; font-size: 10.5px; color: var(--ink-3); text-align: center; margin-top: 1px; }
.rtd-tok.swapped { background: rgb(var(--heat-pos) / 0.2); box-shadow: inset 0 0 0 1.5px rgb(var(--heat-pos)); }
.rtd-tok.flag-orig { box-shadow: inset 0 -3px 0 rgb(var(--safe)); }
.rtd-tok.flag-rep { box-shadow: inset 0 -3px 0 rgb(var(--danger)); background: rgb(var(--danger) / 0.14); }
.btn.ghost { color: var(--ink); background: var(--glass-inset); box-shadow: inset 0 0 0 1px var(--line); padding: 9px 16px; font-size: 13.5px; }
.hyper { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin: 16px 0 0; }
.hyper div { padding: 10px 12px; border-radius: 14px; background: var(--glass-inset); }
.hyper dt { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-3); }
.hyper dd { margin: 2px 0 0; font: 600 14px var(--mono); color: var(--ink); }

/* Quantization */
.quant { display: grid; gap: 6px; }
.q-row { display: grid; grid-template-columns: 74px 22px 46px 22px 74px minmax(0, 1fr); gap: 6px; align-items: center; font: 12.5px var(--mono); color: var(--ink-2); }
.q-row.head { font: 600 11px var(--font); text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-3); }
.q-row b { color: var(--ink); font-weight: 600; text-align: right; }
.q-row .arrow { text-align: center; color: var(--ink-3); }
.q-err { height: 8px; border-radius: 999px; background: rgb(var(--heat-pos) / 0.75); }

/* Overview flow */
.flow-panel { padding: 22px; }
.flow { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; justify-items: center; }
.flow > li { width: min(560px, 100%); position: relative; }
.flow > li:not(:last-child)::after {
  content: ""; display: block; width: 2px; height: 10px; margin: 0 auto; transform: translateY(5px);
  background: linear-gradient(180deg, rgb(var(--accent) / 0.8), rgb(var(--accent) / 0.2));
}
.node {
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap;
  padding: 12px 16px; border-radius: 16px; text-decoration: none; color: var(--ink);
  background: var(--glass-inset); box-shadow: inset 0 0 0 1px var(--line);
  transition: transform 0.35s var(--spring), box-shadow 0.25s;
}
.node:hover { transform: translateX(4px); box-shadow: inset 0 0 0 1px var(--line), 0 0 0 2px rgb(var(--accent) / 0.6); }
.node b { font-size: 14.5px; }
.node small { font-size: 12.5px; color: var(--ink-3); }
.node.small { padding: 7px 16px; opacity: 0.85; }
.shape { font-family: var(--mono); color: rgb(var(--accent)); font-weight: 600; }
.repeat {
  display: grid; gap: 8px; padding: 34px 14px 14px; border-radius: 22px;
  border: 2px dashed rgb(var(--accent) / 0.45); background: rgb(var(--accent) / 0.05);
}
.repeat-tag { position: absolute; top: 9px; inset-inline-start: 16px; font-size: 12px; font-weight: 600; color: rgb(var(--accent)); letter-spacing: 0.03em; }
.verdict-node[data-state="injection"] { box-shadow: inset 0 0 0 1px var(--line), 0 0 0 2px rgb(var(--danger)); }
.verdict-node[data-state="safe"] { box-shadow: inset 0 0 0 1px var(--line), 0 0 0 2px rgb(var(--safe)); }

/* Floating probe */
.float-probe {
  position: fixed; left: 50%; bottom: 18px; z-index: 20; transform: translate(-50%, 140%);
  display: flex; align-items: center; gap: 12px; padding-block: 8px; padding-inline: 18px 8px; border-radius: 999px;
  width: min(620px, calc(100% - 32px));
  background: linear-gradient(180deg, var(--nav-top), var(--glass-bottom));
  transition: transform 0.6s var(--spring);
}
.float-probe.show { transform: translate(-50%, 0); }
.fp-text { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; font-weight: 500; }
.fp-edit { font-size: 13px; font-weight: 600; text-decoration: none; padding: 6px 12px; border-radius: 999px; background: var(--glass-inset); }

/* Responsive */
@media (max-width: 960px) {
  .split { grid-template-columns: minmax(0, 1fr); }
  .param-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .chapter { padding-top: 52px; }
  .chapter-head { gap: 12px; }
  .ch-num { width: 38px; height: 38px; font-size: 17px; border-radius: 12px; }
  .probe-row { flex-direction: column; align-items: stretch; }
  .probe-verdict { text-align: center; }
  .strip-row { grid-template-columns: 64px minmax(0, 1fr); }
  .hp-step { grid-template-columns: 82px minmax(0, 1fr); }
  .hyper { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .param-grid { grid-template-columns: minmax(0, 1fr); }
  .mb { grid-template-columns: minmax(0, 1fr) auto; }
  .mb .mb-track { grid-column: 1 / -1; grid-row: 2; }
  .controls .seg button { padding: 6px 8px; }
  .q-row { grid-template-columns: 64px 16px 40px 16px 64px minmax(0, 1fr); font-size: 11.5px; }
  .toc-link { font-size: 12.5px; }
}

/* Arabic: the prose reads right to left; the live pictures, maths and the English test sentence stay left to right */
:root[dir=rtl] :is(#sentence, .fp-text, .tokens, .strips, .att-view, .cls-bars, .chart, .head-pipe, .quant, .rtd-toks, .stack-bar, .mini-bars, .tex, .tex-inline, .shape) { direction: ltr; }
:root[dir=rtl] details.maths:not([open]) summary::after { transform: scaleX(-1); }