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.btn[aria-pressed=true]{border-color:var(--accent);background:var(--accent);color:#11161f}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .pill{border:1px solid var(--border);border-radius:999px;background:#1b2330;color:var(--muted)}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .visual{--inset:7%;border:1px solid var(--border);border-radius:6px;background:var(--panel)}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .wire{border:3px solid var(--text);border-bottom:0;border-radius:6px 10px 0 0}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .device{border:2px solid var(--text);border-radius:6px;background:var(--panel)}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .flow{background:var(--panel);color:var(--muted)}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .terminal{border:3px solid var(--text);border-radius:50%;background:var(--panel)}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .cell{border:3px solid var(--border);border-radius:8px}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .part{border:0;color:var(--text)}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] button.part:focus-visible,html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] button.part.selected{outline:4px solid color-mix(in srgb,var(--accent) 65%,transparent);outline-offset:-5px}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .collector{background:repeating-linear-gradient(90deg,color-mix(in srgb,var(--collector) 78%,transparent) 0 3px,color-mix(in srgb,var(--collector) 38%,transparent) 3px 6px)}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .negative{background:radial-gradient(circle at 20% 25%,color-mix(in srgb,var(--neg) 65%,transparent) 0 9px,transparent 10px),radial-gradient(circle at 66% 68%,color-mix(in srgb,var(--neg) 55%,transparent) 0 11px,transparent 12px),var(--panel);background-size:64px 58px,78px 68px,auto}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .positive{background:radial-gradient(circle at 18% 72%,color-mix(in srgb,var(--pos) 65%,transparent) 0 9px,transparent 10px),radial-gradient(circle at 56% 22%,color-mix(in srgb,var(--pos) 55%,transparent) 0 11px,transparent 12px),var(--panel);background-size:64px 58px,78px 68px,auto}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .separator{border-inline:1px solid var(--border);background:repeating-linear-gradient(0deg,transparent 0 7px,color-mix(in srgb,var(--sep) 62%,transparent) 7px 10px)}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .copy{border-radius:8px;background:color-mix(in srgb,var(--panel) 94%,transparent)}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .reaction{color:var(--muted)}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .electrolyte-region{border:3px dashed transparent;border-radius:8px;background:transparent}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .electrolyte-region.selected{border-color:var(--ion);background:color-mix(in srgb,var(--ion) 10%,transparent)}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .electrolyte-region span{border:1px solid var(--ion);border-radius:999px;background:var(--panel);color:var(--ion)}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .ion-label{color:var(--muted)}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .particle{border-radius:50%;background:var(--panel)}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .electron{border:2px solid var(--electron);color:var(--electron)}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .lithium{border:2px solid var(--ion);background:color-mix(in srgb,var(--ion) 14%,var(--panel));color:var(--ion)}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .card{border:1px solid var(--border);border-radius:6px;background:color-mix(in srgb,var(--panel) 96%,var(--accent-soft))}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .roles{border-collapse:collapse}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .roles th,html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .roles td{border-bottom:1px solid var(--border)}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .roles tr:last-child>*{border-bottom:0}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .note{color:var(--muted)}html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .sr-only{border:0}@media(max-width:520px){html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"] .visual{--inset:7%}}

/* Reviewed palette and page-specific UI contracts. */
/* Exact upstream token contracts; see theme-bridge-sources.json. */
html[data-lemon-page-area="learn"][data-theme="dark"]{
  color-scheme:dark;--bc-background:#121722;--bc-surface:#1a2030;--bc-surface-raised:#202a3a;
  --bc-text:#eef2f8;--bc-muted:#aab6c8;--bc-line:#344052;--bc-accent:#9ec5ff;
  --bc-accent-strong:#c5dbff;--bc-blue:#b2c0dc;--bc-orange:#ebbb7c;
  background-color:var(--bc-background);
}
html[data-lemon-page-area="learn"][data-lemon-learn-kind="course"][data-theme="dark"]{
  --background:#121722;--band:#1a2030;--surface:#1a2030;--surface-raised:#202a3a;
  --surface-soft:#1a2030;--hover:#26334a;--text:#eef2f8;--muted:#aab6c8;
  --line:#344052;--line-strong:#52617a;--accent:#9ec5ff;--accent-strong:#c5dbff;
  --accent-wash:#20314e;--accent-edge:#6681a9;--on-accent:#101925;--blue:#b2c0dc;--orange:#ebbb7c;
}
html[data-lemon-page-area="learn"][data-theme="dark"] .brand-name{color:var(--bc-text)}
html[data-lemon-page-area="learn"][data-theme="dark"] .statement-card{background:var(--bc-surface)}
html[data-lemon-page-area="learn"][data-theme="dark"] .bc-nextbar :is(a,button[aria-pressed="true"]){color:#101925}
html[data-lemon-page-area="learn"][data-lemon-learn-kind="module"][data-theme="dark"]{
  --background:var(--bc-background);--foreground:var(--bc-text);--card:#1a2030;--card-foreground:var(--bc-text);
  --popover:#202a3a;--popover-foreground:var(--bc-text);--primary:var(--bc-accent);--primary-foreground:#101925;
  --secondary:#202a3a;--secondary-foreground:var(--bc-text);--muted:#202a3a;--muted-foreground:var(--bc-muted);
  --accent:#20314e;--accent-foreground:var(--bc-accent-strong);--destructive:#ffb39d;--red:#ffb39d;
  --border:var(--bc-line);--input:#1a2030;--ring:var(--bc-accent);--green-bg:#172b33;
  --warning-bg:#33291b;--destructive-bg:#352326;--viz-series-1:#9ec5ff;--viz-series-2:#efa081;
  --viz-series-3:#b2c0dc;--viz-series-4:#ebbb7c;--viz-series-5:#c7a8ff;--viz-series-6:#aab6c8;
}
html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"][data-theme="dark"]{
  --bg:#121722;--panel:#1a2030;--text:#eef2f8;--muted:#aab6c8;--border:#344052;
  --accent:#9ec5ff;--accent-soft:#20314e;--warn-bg:#33291b;--warn-border:#796548;--warn-text:#ebbb7c;
  --ion:#9ec5ff;--electron:#c7a8ff;
}

@media (prefers-color-scheme:light) {

}

@media (prefers-color-scheme:dark) {
/* Exact upstream token contracts; see theme-bridge-sources.json. */
html[data-lemon-page-area="learn"]:not([data-theme="light"]){
  color-scheme:dark;--bc-background:#121722;--bc-surface:#1a2030;--bc-surface-raised:#202a3a;
  --bc-text:#eef2f8;--bc-muted:#aab6c8;--bc-line:#344052;--bc-accent:#9ec5ff;
  --bc-accent-strong:#c5dbff;--bc-blue:#b2c0dc;--bc-orange:#ebbb7c;
  background-color:var(--bc-background);
}

html[data-lemon-page-area="learn"][data-lemon-learn-kind="course"]:not([data-theme="light"]){
  --background:#121722;--band:#1a2030;--surface:#1a2030;--surface-raised:#202a3a;
  --surface-soft:#1a2030;--hover:#26334a;--text:#eef2f8;--muted:#aab6c8;
  --line:#344052;--line-strong:#52617a;--accent:#9ec5ff;--accent-strong:#c5dbff;
  --accent-wash:#20314e;--accent-edge:#6681a9;--on-accent:#101925;--blue:#b2c0dc;--orange:#ebbb7c;
}

html[data-lemon-page-area="learn"]:not([data-theme="light"]) .brand-name{color:var(--bc-text)}

html[data-lemon-page-area="learn"]:not([data-theme="light"]) .statement-card{background:var(--bc-surface)}

html[data-lemon-page-area="learn"]:not([data-theme="light"]) .bc-nextbar :is(a,button[aria-pressed="true"]){color:#101925}

html[data-lemon-page-area="learn"][data-lemon-learn-kind="module"]:not([data-theme="light"]){
  --background:var(--bc-background);--foreground:var(--bc-text);--card:#1a2030;--card-foreground:var(--bc-text);
  --popover:#202a3a;--popover-foreground:var(--bc-text);--primary:var(--bc-accent);--primary-foreground:#101925;
  --secondary:#202a3a;--secondary-foreground:var(--bc-text);--muted:#202a3a;--muted-foreground:var(--bc-muted);
  --accent:#20314e;--accent-foreground:var(--bc-accent-strong);--destructive:#ffb39d;--red:#ffb39d;
  --border:var(--bc-line);--input:#1a2030;--ring:var(--bc-accent);--green-bg:#172b33;
  --warning-bg:#33291b;--destructive-bg:#352326;--viz-series-1:#9ec5ff;--viz-series-2:#efa081;
  --viz-series-3:#b2c0dc;--viz-series-4:#ebbb7c;--viz-series-5:#c7a8ff;--viz-series-6:#aab6c8;
}

html[data-lemon-page-area="learn"][data-lemon-learn-kind="anatomy"]:not([data-theme="light"]){
  --bg:#121722;--panel:#1a2030;--text:#eef2f8;--muted:#aab6c8;--border:#344052;
  --accent:#9ec5ff;--accent-soft:#20314e;--warn-bg:#33291b;--warn-border:#796548;--warn-text:#ebbb7c;
  --ion:#9ec5ff;--electron:#c7a8ff;
}
}