/* /brain — language-tuned typography + atlas 3D motion.
 * Scoped under body.brain. Grep style.css before any short global class. */

body.brain {
  --brain-soft: color-mix(in srgb, var(--accent, #0d9488) 14%, transparent);
  --br-depth: 28px;
  --br-ease: cubic-bezier(.22, 1, .36, 1);
  --br-font-display: "Segoe UI", "Helvetica Neue", system-ui, sans-serif;
  --br-font-body: "Segoe UI", "Helvetica Neue", system-ui, sans-serif;
  --br-tracking: -0.012em;
  --br-leading: 1.58;
  --br-title-leading: 1.18;
  --br-teal: #0d9488;
  --br-slate: #334155;
}

html[lang^="ko"] body.brain {
  --br-font-display: "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  --br-font-body: "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  --br-tracking: -0.025em;
  --br-leading: 1.72;
  --br-title-leading: 1.36;
}
html[lang^="ja"] body.brain {
  --br-font-display: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", Meiryo, sans-serif;
  --br-font-body: "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", Meiryo, sans-serif;
  --br-tracking: 0.02em;
  --br-leading: 1.78;
  --br-title-leading: 1.42;
}
html[lang^="zh"] body.brain {
  --br-font-display: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --br-font-body: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --br-tracking: 0.01em;
  --br-leading: 1.72;
  --br-title-leading: 1.36;
}
html[lang="ru"] body.brain {
  --br-font-display: "Segoe UI", "PT Sans", "Helvetica Neue", Arial, sans-serif;
  --br-font-body: "Segoe UI", "PT Sans", Arial, sans-serif;
  --br-tracking: 0;
  --br-leading: 1.62;
}
html[lang="de"] body.brain,
html[lang="es"] body.brain,
html[lang="fr"] body.brain,
html[lang="pt-BR"] body.brain,
html[lang="pt"] body.brain {
  --br-font-display: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --br-tracking: -0.018em;
  --br-leading: 1.6;
}
html[lang="de"] body.brain h1,
html[lang="de"] body.brain h2,
html[lang="de"] body.brain .br-label {
  overflow-wrap: normal;
  word-break: keep-all;
  hyphens: none;
  -webkit-hyphens: none;
}

body.brain,
body.brain .lede,
body.brain .sub,
body.brain p,
body.brain .section-intro {
  font-family: var(--br-font-body);
  letter-spacing: var(--br-tracking);
  line-height: var(--br-leading);
}
body.brain h1,
body.brain h2,
body.brain h3,
body.brain .kicker {
  font-family: var(--br-font-display);
  line-height: var(--br-title-leading);
  letter-spacing: var(--br-tracking);
}

html[lang^="ko"] body.brain,
html[lang^="ja"] body.brain,
html[lang^="zh"] body.brain {
  font-size: 1.02rem;
}
html[lang^="ko"] body.brain h1,
html[lang^="ja"] body.brain h1,
html[lang^="zh"] body.brain h1 {
  word-break: keep-all;
}

/* ---------- home atmosphere ---------- */
body.brain .br-home-hero,
body.brain .br-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1100px 460px at 8% -12%, var(--brain-soft), transparent 58%),
    radial-gradient(860px 400px at 92% 0%, color-mix(in srgb, #334155 22%, transparent), transparent 55%),
    linear-gradient(165deg, #0b1f24 0%, #12353c 40%, #0f766e 100%);
  color: #f0fdfa;
}
body.brain .br-home-hero .lede,
body.brain .br-home-hero .crumbs a,
body.brain .br-home-hero .kicker,
body.brain .br-hero .lede,
body.brain .br-hero .crumbs a,
body.brain .br-hero .kicker { color: rgba(255, 255, 255, .78); }
body.brain .br-home-hero h1,
body.brain .br-hero h1 { color: #fff; font-weight: 700; text-wrap: balance; }

body.brain .topic-card .jc-meter i,
body.brain .jc-meter i {
  background: linear-gradient(90deg, var(--accent, #0d9488), var(--accent2, #134e4a));
}

/* ---------- 3D stage — flat line diagram, not toy spheres ---------- */
body.brain .br-stage-wrap {
  perspective: 900px;
  margin: 1.1rem 0 0.35rem;
  max-width: 320px;
}
body.brain .br-stage {
  --br-tilt-x: 4deg;
  --br-tilt-y: -8deg;
  position: relative;
  min-height: 0;
  padding: 4px 0 2px;
  transform-style: preserve-3d;
  transform: rotateX(var(--br-tilt-x)) rotateY(var(--br-tilt-y));
  transition: transform .5s var(--br-ease);
  border-radius: 0;
  background: transparent;
  border: 0;
  overflow: visible;
}
body.brain .br-stage-floor { display: none; }
body.brain .br-stage-orb,
body.brain .br-stage-orb-2 { display: none; }
body.brain .br-stage-diagram {
  display: block;
  width: 100%;
  height: auto;
  opacity: .92;
  transform: translateZ(12px);
}

/* ---------- atlas chart ---------- */
body.brain .br-chart {
  position: relative;
  border-radius: 12px;
  background:
    radial-gradient(80% 60% at 50% 0%, color-mix(in srgb, #0d9488 8%, transparent), transparent 70%),
    linear-gradient(180deg, #f8fafc, #f1f5f9);
  border: 1px solid var(--tl-border, #f0f0f0);
  padding: .75rem;
  transform-style: preserve-3d;
  box-shadow: var(--tl-shadow, 0 2px 8px rgba(0,0,0,.05));
}
body.brain .br-chart svg { width: 100%; height: auto; display: block; }
body.brain .br-region { cursor: pointer; transition: opacity .25s var(--br-ease); }
body.brain .br-region .br-path {
  stroke: rgba(255, 255, 255, .45);
  stroke-width: 1.35;
  stroke-linejoin: round;
  stroke-linecap: round;
  transition: filter .25s var(--br-ease), transform .25s var(--br-ease);
  transform-box: fill-box;
  transform-origin: center;
}
body.brain .br-region:hover .br-path,
body.brain .br-region.is-on .br-path {
  filter: brightness(1.06);
  stroke: rgba(255, 255, 255, .7);
}
body.brain .br-label {
  fill: #fff;
  stroke: rgba(15, 23, 42, .88);
  stroke-width: 5px;
  stroke-linejoin: round;
  paint-order: stroke fill;
  font-family: var(--br-font-display);
  font-weight: 800;
  font-size: 11px;
  pointer-events: none;
  opacity: 1;
}
body.brain .br-readout {
  position: absolute;
  left: 1rem; bottom: 1rem;
  min-height: 1.25rem;
  font-size: .85rem;
  color: #134e4a;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(6px);
  padding: .35rem .65rem;
  border-radius: 999px;
  border: 1px solid rgba(13, 148, 136, .2);
  opacity: 0;
  transition: opacity .2s;
  pointer-events: none;
}
body.brain .br-readout.is-on { opacity: 1; }

body.brain .br-meters { display: grid; gap: .55rem; margin-top: 1rem; }
body.brain .br-meter { display: grid; grid-template-columns: 7.5rem 1fr 2rem; gap: .5rem; align-items: center; }
body.brain .br-ml { font-size: .85rem; color: var(--muted, #64748b); }
body.brain .br-mv { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }

body.brain .br-region-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 1.5rem;
}
@media (max-width: 860px) {
  body.brain .br-region-grid { grid-template-columns: 1fr; }
}

body.brain .br-fn { margin: 0; padding-left: 1.1rem; }
body.brain .br-fn li { margin: .35rem 0; }

body.brain .br-atlas-peek {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 720px) {
  body.brain .br-atlas-peek { grid-template-columns: 1fr; }
}
body.brain .br-chart-cap { margin: .5rem 0 0; text-align: center; }

body.brain .br-vs-charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
@media (max-width: 720px) {
  body.brain .br-vs-charts { grid-template-columns: 1fr; }
}
body.brain .br-vs-x { color: var(--muted, #64748b); font-weight: 500; }
body.brain .br-vs-row {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: .75rem;
  align-items: center;
  margin: .55rem 0;
}
body.brain .br-vs-bars {
  display: grid;
  gap: .35rem;
}
body.brain .br-vs-a,
body.brain .br-vs-b {
  display: block;
  height: 1.15rem;
  line-height: 1.15rem;
  font-size: .75rem;
  color: #fff;
  padding: 0 .4rem;
  border-radius: 6px;
  width: var(--w, 40%);
  max-width: 100%;
  font-variant-numeric: tabular-nums;
}
body.brain .br-vs-a { background: #0d9488; }
body.brain .br-vs-b { background: #475569; }

body.brain .br-field-head {
  display: flex;
  gap: .85rem;
  align-items: flex-start;
  margin-bottom: .85rem;
}
body.brain .br-field-emoji { font-size: 1.75rem; }

body.brain .br-card {
  transform-style: preserve-3d;
}
body.brain .br-credits { line-height: 1.7; }

body.brain .br-disclaimer {
  margin: 0 0 1.5rem;
  padding: .9rem 1.05rem;
  border-left: 3px solid var(--accent, #0d9488);
  background: var(--brain-soft, rgba(13, 148, 136, .08));
  border-radius: 0 10px 10px 0;
  font-size: .9rem;
  color: var(--muted, #64748b);
}
body.brain .br-disclaimer p { margin: 0; }
html[lang^="ko"] body.brain .br-disclaimer,
html[lang^="ja"] body.brain .br-disclaimer {
  font-size: .88rem;
  line-height: 1.75;
}

@media (prefers-reduced-motion: reduce) {
  body.brain .br-stage,
  body.brain .br-region .br-path,
  body.brain .br-card {
    transition: none !important;
    transform: none !important;
  }
}

/* --- UX OSS: atlas pan-zoom + finder --- */
body.brain .br-chart[data-br-panzoom] { position: relative; overflow: hidden; touch-action: none; }
body.brain .br-chart[data-br-panzoom][data-br-gesture="tap"] { touch-action: manipulation; cursor: pointer; }
body.brain .br-chart[data-br-panzoom][data-br-gesture="tap"] svg { cursor: pointer; }
body.brain .br-chart[data-br-panzoom] svg {
  display: block; width: 100%; max-width: 100%;
  cursor: grab; user-select: none; -webkit-user-select: none;
}
body.brain .br-chart[data-br-panzoom] svg:active { cursor: grabbing; }
body.brain .br-chart[data-br-panzoom] .br-region { pointer-events: auto; }
body.brain .br-region .br-hit {
  fill: none;
  stroke: transparent;
  stroke-width: 16;
  pointer-events: stroke;
}
body.brain .br-zoom-tools {
  position: absolute; top: 10px; right: 10px; z-index: 3;
  display: flex; gap: 4px;
}
/* Author display:flex would otherwise override the HTML hidden attribute. */
body.brain .br-zoom-tools[hidden] { display: none !important; }
body.brain .br-zoom-btn {
  width: 34px; height: 34px; border-radius: 10px; border: 1px solid rgba(15,23,42,.12);
  background: rgba(255,255,255,.92); color: #0f172a; font-size: 1.05rem; cursor: pointer;
  box-shadow: 0 4px 14px rgba(15,23,42,.08);
}
body.brain .br-zoom-btn:focus-visible { outline: 2px solid var(--accent, #0d9488); outline-offset: 2px; }
body.brain .br-region.br-lens-dim { opacity: .22; filter: grayscale(.35); }
body.brain .br-atlas-finder { margin: 0 0 1.25rem; padding: 1rem 1.1rem; border-radius: 14px; background: #f8fafc; border: 1px solid #e2e8f0; }
body.brain .br-finder-label { display: block; font-weight: 700; margin-bottom: .45rem; }
body.brain .br-touch-hint { margin: .45rem 0 .65rem; font-size: .9rem; }
body.brain .br-region.br-intent-hit {
  outline: 2px solid var(--accent, #0d9488);
  outline-offset: 1px;
}
body.brain .br-intent-chips .pill.active {
  background: var(--accent, #0d9488);
  color: #fff;
  border-color: var(--accent, #0d9488);
}
body.brain .br-atlas-finder input[type="search"] {
  width: min(420px, 100%); padding: .55rem .75rem; border-radius: 10px; border: 1px solid #cbd5e1;
}
body.brain .br-lens { display: flex; flex-wrap: wrap; gap: 6px; margin-top: .65rem; }
body.brain .br-finder-hits { list-style: none; margin: .75rem 0 0; padding: 0; display: grid; gap: 6px; }
body.brain .br-finder-hits a { color: inherit; text-decoration: none; font-weight: 600; }
body.brain .br-finder-hits .aka { color: #64748b; font-weight: 400; font-size: .9em; }
body.brain .tippy-box[data-theme~='brain'] { background: #0f766e; color: #ecfdf5; font-size: .85rem; }
body.brain .tippy-box[data-theme~='brain'] .tippy-arrow { color: #0f766e; }
/* --- traffic tools: atlas tips --- */
body.brain .br-atlas-tips {
  margin: 0 0 1.5rem;
  padding: 1.1rem 1.2rem;
  border-radius: 14px;
  background: #f0fdfa;
  border: 1px solid #99f6e4;
}
body.brain .br-atlas-tips .br-tip { background: #fff; border-radius: 12px; padding: .85rem 1rem; }
body.brain .br-atlas-faq { margin-top: 1rem; }

/* --- P1 dual view + worksheet --- */
body.brain .br-view-toggle { margin: 0 0 1rem; }
body.brain .br-view-title { font-size: 1.15rem; margin: 0 0 .35rem; }
body.brain .br-dual-views { display: grid; gap: 1.25rem; }
body.brain .br-dual-views[data-br-view="both"] {
  grid-template-columns: 1fr 1fr;
}
@media (max-width: 900px) {
  body.brain .br-dual-views[data-br-view="both"] { grid-template-columns: 1fr; }
}
body.brain .br-dual-views[data-br-view="lateral"] [data-br-view-panel="medial"] { display: none; }
body.brain .br-dual-views[data-br-view="medial"] [data-br-view-panel="lateral"] { display: none; }
body.brain .br-worksheet {
  margin: 1.5rem 0;
  padding: 1rem 1.1rem;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
}
body.brain .br-ws-list { display: grid; gap: .55rem; margin-top: .85rem; }
body.brain .br-ws-row {
  display: grid;
  grid-template-columns: auto minmax(8rem, 14rem) 1fr;
  gap: .55rem;
  align-items: center;
  padding: .45rem .55rem;
  background: #fff;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
}
body.brain .br-ws-name { font-weight: 650; }
body.brain .br-ws-note {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: .35rem .55rem;
}
body.brain .br-disorder-atlas {
  margin: 1rem 0 1.25rem;
  padding: 1rem 1.1rem;
  border-radius: 14px;
  background: #f0fdfa;
  border: 1px solid #99f6e4;
}
@media print {
  body.br-printing-ws .site-header,
  body.br-printing-ws .site-footer,
  body.br-printing-ws .br-atlas-finder,
  body.br-printing-ws .br-intent-chips,
  body.br-printing-ws .br-query-rail,
  body.br-printing-ws .br-atlas-tips,
  body.br-printing-ws .br-dual-views,
  body.br-printing-ws .br-view-toggle,
  body.br-printing-ws .ad-unit { display: none !important; }
  body.br-printing-ws .br-worksheet { border: none; }
}

/* --- P2 pioneer scrubber --- */
body.brain .br-pioneer-scrub {
  margin: 0 0 1.5rem;
  padding: 1rem 1.1rem;
  border-radius: 14px;
  background: #f0fdfa;
  border: 1px solid #99f6e4;
}
body.brain .br-pioneer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: .75rem;
  margin-top: 1rem;
}
body.brain .br-pioneer-card {
  background: #fff;
  border-radius: 12px;
  padding: .85rem 1rem;
  border: 1px solid #ccfbf1;
}
body.brain .br-pioneer-card h3 { margin: 0 0 .35rem; font-size: 1.05rem; }
body.brain .br-pioneer-card h3 a { color: inherit; text-decoration: none; }
body.brain .br-pioneer-atlas {
  margin: 1rem 0 1.25rem;
  padding: 1rem 1.1rem;
  border-radius: 14px;
  background: #f0fdfa;
  border: 1px solid #99f6e4;
}
@media print {
  body.br-printing-pioneers .site-header,
  body.br-printing-pioneers .site-footer,
  body.br-printing-pioneers .ad-unit { display: none !important; }
  body.br-printing-pioneers .br-pioneer-scrub { border: none; }
  body.br-printing-pioneers [data-br-pioneer][hidden],
  body.br-printing-pioneers [data-br-era-spine][hidden] { display: none !important; }
}

/* P3: tap/pan mode + lesson card */
body.brain .br-gesture { margin: .55rem 0 .75rem; }
body.brain .br-gesture-title { font-weight: 650; margin: 0 0 .25rem; }
body.brain .br-chart[data-br-gesture="pan"] { cursor: grab; }
body.brain .br-chart[data-br-gesture="pan"]:active { cursor: grabbing; }
body.brain .br-lesson-card { margin: 1.25rem 0 1.5rem; }
body.brain .br-lesson-list { margin: .5rem 0 .75rem; padding-left: 1.2rem; }
body.brain.br-printing-lesson .br-atlas-finder,
body.brain.br-printing-lesson .br-gesture,
body.brain.br-printing-lesson .br-zoom-tools { display: none !important; }

/* Signature: visual-diff — atlas color regions + dual-view drama, less text chrome */
body.brain .br-region .br-path {
  stroke: rgba(255, 255, 255, .55);
  stroke-width: 1.6;
  filter: saturate(1.15);
}
body.brain .br-region:hover .br-path,
body.brain .br-region.is-on .br-path,
body.brain .br-region.br-intent-hit .br-path {
  filter: saturate(1.25) brightness(1.08) drop-shadow(0 4px 10px rgba(15, 23, 42, .22));
  transform: scale(1.02);
}
body.brain .br-region.br-lens-dim .br-path {
  filter: grayscale(.55) saturate(.35);
  opacity: .85;
}
body.brain .br-dual-views {
  margin: 0 0 1.75rem;
  padding: .35rem;
  border-radius: 20px;
  background:
    radial-gradient(70% 80% at 12% 20%, color-mix(in srgb, #0d9488 16%, transparent), transparent 55%),
    radial-gradient(60% 70% at 88% 30%, color-mix(in srgb, #7c3aed 14%, transparent), transparent 50%),
    linear-gradient(165deg, #0b1f24 0%, #12353c 45%, #1e1b4b 100%);
  box-shadow: 0 28px 60px -36px rgba(15, 23, 42, .55);
}
body.brain .br-dual-views[data-br-view="both"] {
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: .85rem;
}
body.brain .br-view-panel {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  background: rgba(255, 255, 255, .96);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .35);
  transform: translateZ(0);
  transition: transform .35s var(--br-ease), box-shadow .35s var(--br-ease);
}
body.brain .br-dual-views[data-br-view="both"] .br-view-panel[data-br-view-panel="lateral"] {
  transform: perspective(900px) rotateY(4deg);
}
body.brain .br-dual-views[data-br-view="both"] .br-view-panel[data-br-view-panel="medial"] {
  transform: perspective(900px) rotateY(-4deg);
}
body.brain .br-dual-views[data-br-view="both"] .br-view-panel:hover {
  transform: perspective(900px) rotateY(0) translateY(-2px);
  box-shadow: 0 16px 32px -20px rgba(15, 23, 42, .45);
}
body.brain .br-view-panel .br-chart {
  border: 0;
  box-shadow: none;
  border-radius: 0;
  background:
    radial-gradient(70% 50% at 50% 0%, color-mix(in srgb, #0d9488 10%, transparent), transparent 65%),
    #f8fafc;
}
body.brain .br-view-toggle {
  margin: 0 0 .85rem;
  padding: .55rem .75rem;
  border-radius: 12px;
  background: #0f172a;
  color: #ecfdf5;
}
body.brain .br-view-toggle .br-view-title { color: #f0fdfa; margin: 0 0 .4rem; }
body.brain .br-view-toggle .pill {
  background: transparent;
  border-color: rgba(255, 255, 255, .22);
  color: #ccfbf1;
}
body.brain .br-view-toggle .pill.active {
  background: #0d9488;
  border-color: #0d9488;
  color: #fff;
}
/* Less text chrome — atlas tools stay usable, denser */
body.brain .br-atlas-finder {
  padding: .55rem .7rem;
  margin: 0 0 .75rem;
  background: transparent;
  border: 0;
  border-bottom: 1px solid #e2e8f0;
  border-radius: 0;
}
body.brain .br-atlas-tips {
  padding: .65rem .75rem;
  margin: 0 0 1rem;
  background: color-mix(in srgb, #0d9488 6%, #fff);
  border-color: #99f6e4;
}
body.brain .br-atlas-tips .br-tip {
  padding: .45rem .55rem;
  background: transparent;
  border-radius: 8px;
}
body.brain .br-atlas-faq details { margin: .25rem 0; }
body.brain .br-query-rail { margin: 0 0 .75rem; }
body.brain .br-hero .lede { max-width: 42ch; }
@media (prefers-reduced-motion: reduce) {
  body.brain .br-dual-views[data-br-view="both"] .br-view-panel,
  body.brain .br-dual-views[data-br-view="both"] .br-view-panel:hover,
  body.brain .br-region .br-path {
    transform: none !important;
    transition: none !important;
  }
}
/* ===========================================================================
 * Hub visual polish — glance / explore contrast + scannability (2026-09-17)
 * Distinctive atlas teal hub shell. App-scoped only.
 * =========================================================================== */
body.brain {
  --hub-pack-bg: #ffffff;
  --hub-pack-border: rgba(17, 24, 39, .12);
  --hub-pack-ink: #111827;
  --hub-muted: #4b5563;
  --hub-accent: #0d9488;
}
body.brain .tl-viz-shell.is-home {
  margin: 0 0 2rem;
  padding: 1rem 1.15rem 1.2rem;
  border: 1px solid color-mix(in srgb, var(--hub-accent) 22%, var(--hub-pack-border));
  border-radius: 16px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--hub-accent) 9%, #fff), #fff 42%), #fff;
  box-shadow: 0 1px 2px rgba(17, 24, 39, .05), 0 10px 28px -18px rgba(17, 24, 39, .22);
}
body.brain .tl-viz-kicker,
body.brain .tl-viz-cap { color: #374151 !important; letter-spacing: .08em; }
body.brain .tl-viz-hint { color: #4b5563 !important; }
body.brain .tl-viz-dens label { color: #111827; border-color: rgba(17, 24, 39, .14); font-weight: 700; }
body.brain .tl-viz-dens input:checked + label { background: #111827; color: #fff; border-color: #111827; }
body.brain .tl-viz-packs { grid-template-columns: repeat(auto-fill, minmax(148px, 1fr)) !important; gap: 10px !important; }
body.brain .tl-viz-pack {
  background: var(--hub-pack-bg) !important;
  border: 1px solid var(--hub-pack-border) !important;
  color: var(--hub-pack-ink) !important;
  box-shadow: 0 1px 2px rgba(17, 24, 39, .05);
  min-height: 52px;
  padding: 12px 14px !important;
  border-radius: 12px !important;
  overflow-wrap: normal !important;
  word-break: normal !important;
  hyphens: none !important;
  -webkit-hyphens: none !important;
  white-space: nowrap;
  font-weight: 700 !important;
  gap: 8px !important;
}
body.brain .tl-viz-pack .tl-ico { color: var(--hub-accent) !important; flex: 0 0 auto; }
body.brain .tl-viz-pack .tl-dot { flex: 0 0 auto; }
body.brain .tl-viz-pack > span:not(.tl-dot):not(.tl-preview-pop) { overflow: hidden; text-overflow: ellipsis; }
body.brain .tl-viz-pack:hover,
body.brain .tl-viz-pack.is-on {
  border-color: color-mix(in srgb, var(--hub-accent) 55%, #cbd5e1) !important;
  background: #fff !important;
  box-shadow: 0 4px 16px rgba(17, 24, 39, .09);
  transform: translateY(-1px);
  text-decoration: none;
}
body.brain .tl-viz-shell:has(input[value="compact"]:checked) .tl-viz-packs { gap: 6px !important; grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)) !important; }
body.brain .tl-viz-shell:has(input[value="compact"]:checked) .tl-viz-pack { min-height: 40px; padding: 8px 10px !important; font-size: .78rem !important; border-radius: 10px !important; }
body.brain .tl-start-row,
body.brain .tl-popular-row,
body.brain .tl-related-in-row { gap: 14px !important; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)) !important; }
body.brain .tl-start-card,
body.brain .tl-popular-card,
body.brain .tl-related-in-card,
body.brain a.tl-glance-card {
  background: #fff !important;
  border: 1px solid rgba(17, 24, 39, .1) !important;
  box-shadow: 0 1px 2px rgba(17, 24, 39, .05), 0 10px 28px -18px rgba(17, 24, 39, .2);
  min-height: 6.5rem;
  padding: 16px 18px !important;
  border-radius: 14px !important;
  border-top: 3px solid color-mix(in srgb, var(--hub-accent) 70%, transparent);
}
body.brain .tl-start-card:hover,
body.brain .tl-popular-card:hover,
body.brain .tl-related-in-card:hover,
body.brain a.tl-glance-card:hover {
  border-color: color-mix(in srgb, var(--hub-accent) 45%, #cbd5e1) !important;
  box-shadow: 0 6px 22px rgba(17, 24, 39, .1);
  transform: translateY(-2px);
  text-decoration: none;
}
body.brain .tl-start-card strong,
body.brain .tl-popular-card strong,
body.brain .tl-related-in-card strong { color: #111827 !important; }
body.brain .tl-start-card span:not(.tl-start-k),
body.brain .tl-popular-card span:not(.tl-dot),
body.brain .tl-related-in-card span,
body.brain .tl-start-here .hint,
body.brain .br-chart-cap,
body.brain .br-disclaimer,
body.brain .br-ml { color: #374151 !important; }
body.brain .tl-start-k { color: #4b5563 !important; font-weight: 700; }
body.brain .ppl-boundary,
body.brain .ppl-p1-norank,
body.brain .tl-opt10-norank,
body.brain .rh-disclaimer {
  color: #1f2937;
  border-color: color-mix(in srgb, var(--hub-accent) 28%, #e2e8f0);
  background: color-mix(in srgb, var(--hub-accent) 8%, #fff);
}
@media (max-width: 720px) {
  body.brain .tl-viz-pack { white-space: normal; }
  body.brain .tl-viz-packs { grid-template-columns: repeat(auto-fill, minmax(132px, 1fr)) !important; }
}
@media (prefers-reduced-motion: reduce) {
  body.brain .tl-viz-pack:hover,
  body.brain .tl-start-card:hover,
  body.brain .tl-popular-card:hover,
  body.brain .tl-related-in-card:hover,
  body.brain a.tl-glance-card:hover { transform: none; }
}

/* P4-POLISH-2026-09-18 */
body.brain .br-chart:not([data-br-panzoom]){overflow:visible}
body.brain .br-chart:not([data-br-panzoom]) svg,body.brain .br-stage-diagram{overflow:visible}
body.brain .br-ml,body.brain .br-chart-cap,body.brain .br-disclaimer{color:#1f2937}
body.brain .br-lesson,body.brain .br-lesson p{color:#111827}
body.brain .tl-viz-pack{white-space:normal!important;height:auto!important;align-items:center}
body.brain .tl-viz-pack>span:not(.tl-dot):not(.tl-preview-pop){display:-webkit-box!important;-webkit-line-clamp:2;-webkit-box-orient:vertical;white-space:normal!important;line-height:1.25;text-overflow:unset!important}
body.brain .p3-tool,body.brain .p3-card,body.brain .p3-out{color:#111827}
body.brain .p3-card{background:#fff}
body.brain .p3-form label,body.brain .p3-checks label{color:#1f2937}

/* Shop-grid density 2026-09-19 — score rows stay one word, hub cards even */
body.brain .tl-heat--scores,
body.brain .tl-viz-hbars,
body.brain .br-meter {
  max-width: 100%;
  overflow-x: auto;
}
body.brain .tl-heat-score,
body.brain .tl-viz-hbar,
body.brain .br-meter {
  display: grid;
  grid-template-columns: max-content minmax(5.5rem, 1fr) 2.75rem;
  column-gap: 10px;
  align-items: center;
  margin-bottom: 0;
}
body.brain .tl-heat-score > .tl-heat-score-lab,
body.brain .tl-viz-hbar > .tl-viz-hbar-lab,
body.brain .br-ml {
  white-space: nowrap;
  overflow-wrap: normal;
  word-break: keep-all;
  hyphens: none;
  -webkit-hyphens: none;
  line-height: 1.2;
  min-width: max-content;
  flex-wrap: nowrap;
}
body.brain .tl-heat-score-cells,
body.brain .tl-viz-hbar-track {
  min-width: 5.5rem;
  width: 100%;
  align-self: center;
}
body.brain .tl-heat-score > .tl-heat-score-n,
body.brain .tl-viz-hbar > .tl-viz-hbar-val {
  justify-self: end;
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
body.brain .tl-viz-meter-lab {
  overflow-wrap: normal;
  word-break: keep-all;
  hyphens: none;
  -webkit-hyphens: none;
}
body.brain .tl-viz-meter-row {
  align-items: center;
  gap: 8px;
}
body.brain .tl-viz-meter-val {
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
body.brain .tl-explore-grid {
  align-items: stretch;
  gap: 14px;
}
body.brain .tl-explore-grid > a.card,
body.brain .tl-popular-card,
body.brain .tl-start-card,
body.brain .tl-related-in-card,
body.brain a.tl-glance-card {
  display: flex;
  flex-direction: column;
  min-height: 7.25rem;
  padding: 16px;
  background: #fff;
  color: #111827;
  border: 1px solid rgba(17, 24, 39, .09);
  box-sizing: border-box;
}
body.brain .tl-explore-grid > a.card h3,
body.brain .tl-popular-card strong,
body.brain .tl-start-card strong,
body.brain .tl-related-in-card strong,
body.brain .tl-glance-card strong {
  color: #111827;
  overflow-wrap: normal;
  word-break: keep-all;
  hyphens: none;
  -webkit-hyphens: none;
}
body.brain .tl-explore-grid > a.card .sub,
body.brain .tl-popular-card span:not(.tl-dot):not(.tl-start-k),
body.brain .tl-start-card span:not(.tl-start-k),
body.brain .tl-related-in-card span:not(.tl-preview-pop) {
  color: #1f2937;
}
body.brain .tl-start-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  align-items: stretch;
}
body.brain .tl-start-row > .tl-start-card:first-child {
  border: 2px solid #111827;
  box-shadow: 0 10px 28px -18px rgba(17, 24, 39, .55);
}
body.brain .tl-start-row > .tl-start-card:first-child:hover {
  border-color: #111827;
}
body.brain .tl-start-row > .tl-start-card:first-child strong::after {
  content: " →";
  font-weight: 800;
}

body.brain .br-meter .bar,
body.brain .br-meter .fill { min-width: 0; }
body.brain .br-mv {
  justify-self: end; text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap;
}
body.brain a.br-card,
body.brain a.topic-card {
  min-height: 7.25rem; padding: 16px; background: #fff; color: #111827;
  border: 1px solid rgba(17, 24, 39, .09);
}
body.brain a.br-card h3,
body.brain a.topic-card h3 { color: #111827; overflow-wrap: normal; word-break: keep-all; hyphens: none; }
body.brain a.br-card .sub,
body.brain a.topic-card .sub { color: #1f2937; }

/* MOBILE-390 2026-09-20 — atlas controls reachable, diagrams scroll inside. */
@media (max-width: 430px) {
  html[lang] body.brain,
  html[lang] body.brain :where(p, li, h1, h2, h3, .sub, .lede, .br-ml, figcaption) {
    overflow-wrap: normal;
    word-break: keep-all;
    hyphens: none;
    -webkit-hyphens: none;
  }
  html[lang] body.brain .br-stage {
    transform: none;
  }
  html[lang] body.brain .br-stage-wrap,
  html[lang] body.brain .br-chart:not([data-br-panzoom]),
  html[lang] body.brain .br-vs-charts {
    max-width: 100%;
    min-width: 0;
    overflow-x: auto;
    overflow-y: hidden;
    width: 100%;
    box-sizing: border-box;
    contain: inline-size;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
  }
  html[lang] body.brain .br-dual-views .br-view-panel {
    transform: none !important;
    max-width: 100%;
    min-width: 0;
  }
  html[lang] body.brain .br-zoom-dock {
    display: flex;
    justify-content: flex-end;
    position: sticky;
    top: var(--tl-header-h, 56px);
    z-index: 20;
    margin: 0 0 .4rem;
    padding: 6px 0;
    background: #f8fafc;
  }
  html[lang] body.brain .br-zoom-tools,
  html[lang] body.brain .br-zoom-dock .br-zoom-tools {
    position: static;
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 6px;
  }
  html[lang] body.brain .br-zoom-btn {
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    font-size: 1.25rem;
  }
  html[lang] body.brain .br-atlas-finder input[type="search"],
  html[lang] body.brain .br-gesture .pill,
  html[lang] body.brain .br-view-toggle .pill,
  html[lang] body.brain .br-intent-chips .pill,
  html[lang] body.brain .br-lens .pill,
  html[lang] body.brain .br-ws-note,
  html[lang] body.brain button,
  html[lang] body.brain select {
    min-height: 44px;
    min-width: 44px;
    box-sizing: border-box;
  }
  html[lang] body.brain .br-meter,
  html[lang] body.brain .tl-heat-score,
  html[lang] body.brain .tl-viz-hbar {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    grid-template-columns: minmax(0, 1.15fr) minmax(3.25rem, 1fr) 2.35rem;
  }
  html[lang] body.brain .tl-heat--scores,
  html[lang] body.brain .tl-viz-hbars,
  html[lang] body.brain .br-meters {
    overflow-x: hidden;
    max-width: 100%;
  }
  html[lang] body.brain .br-ml,
  html[lang] body.brain .tl-heat-score-lab,
  html[lang] body.brain .tl-viz-hbar-lab {
    white-space: normal;
    min-width: 0;
    max-width: 100%;
  }
  html[lang] body.brain .br-vs-row,
  html[lang] body.brain .br-ws-row {
    grid-template-columns: minmax(0, 1fr);
    max-width: 100%;
  }
  html[lang] body.brain .br-vs-a,
  html[lang] body.brain .br-vs-b {
    max-width: 100%;
  }
}