/* One visual language for all knowledge lessons. Editor light colors follow Keil. */
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:root[data-theme=dark]{color-scheme:dark;--bg:#101c22;--paper:#172830;--soft:#20363d;--ink:#e6efed;--muted:#a4bbb8;--line:#345057;--accent:#7cdbb7;--accent-soft:#234239;--warm:#ffc08c;--code:#111d26;--code-ink:#e3e9ee;--code-comment:#88b884;--code-keyword:#8ab7ff;--code-string:#e5b393;--code-pre:#dcc182;--code-current:#22313b}
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.mobile-help-toggle{display:none}
.catalog-hero h1{white-space:pre-line;text-wrap:balance}
/* The global navigation is shared with projects/library; only the learning
   workspace has its own spacing. Light surfaces are neutral, never beige. */
body[data-ui-page=practice]{--bg:var(--ui-bg);--accent:var(--ui-accent)}
.lesson-sidebar{top:calc(var(--ui-nav-height,72px) + 15px);max-height:calc(100dvh - var(--ui-nav-height,72px) - 30px)}
.ui-nav li{margin:0}
.foundation-files{margin:0;padding:8px 16px;border-top:0;border-bottom:1px solid var(--line);font-size:12px;background:var(--paper)}
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