:root{--bg:#f4f6f9;--panel:#fff;--line:#d9dee7;--text:#1b2430;--muted:#65748b;--accent:#2563eb;--accent-text:#fff;--danger:#d92d20;--warn:#b54708;--ok:#067647;--grid-dot:#c3cbd8;--wire:#475569;--canvas:#fbfcfe;--board:#efe9d8;--board-edge:#b9ae92;--board-channel:#d8cfb6;--hole:#4b4636;--rail-pos:#d92d20;--rail-neg:#2563eb;--board-text:#7a6f55;--glow:0 0 0 3px #2563eb40}@media (prefers-color-scheme:dark){:root{--bg:#0f141b;--panel:#171e28;--line:#2b3646;--text:#e6ebf3;--muted:#93a1b5;--accent:#5b8def;--grid-dot:#2f3b4d;--wire:#9fb0c8;--canvas:#121923;--board:#2b3140;--board-edge:#475066;--board-channel:#212633;--hole:#0d1117;--board-text:#8b97ad}}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font:14px/1.4 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}button,input,select{font:inherit;color:inherit}button{background:var(--panel);border:1px solid var(--line);cursor:pointer;border-radius:6px;padding:5px 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var(--line);border-radius:12px;gap:8px;width:min(380px,100%);padding:24px;display:grid}p.ok{color:var(--ok);font-weight:600}.app.shared{grid-template-columns:0 1fr 300px;grid-template-areas:"bar bar bar""ban ban ban""pal can side"}@media (width<=900px){.app.shared{grid-template:"bar""ban""can"minmax(360px,1fr)"side"/1fr}}.wire-outline[data-color=black]{stroke:#cbd5e1;opacity:.75}.wire-outline[data-color=white]{stroke:#475569;opacity:.85}.terminal[data-level=high] .terminal-dot{fill:#e8590c}.terminal[data-level=low] .terminal-dot{fill:#1c7ed6}.terminal[data-level=undefined] .terminal-dot{fill:#f59f00}.gpio-list{gap:6px;margin:6px 0;padding:0;list-style:none;display:grid}.gpio-list li{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.gpio-list .gpio-name{min-width:58px;font-size:12.5px;font-weight:600}.gpio-list select{flex:56px;min-width:56px}.gpio-read{color:var(--muted);font-variant-numeric:tabular-nums;flex-basis:100%;font-size:11.5px}.gpio-read:empty{display:none}.files-panel textarea.file-editor{tab-size:2;resize:vertical;box-sizing:border-box;width:100%;min-height:180px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px}.files-panel ul.file-list{max-height:150px;margin:0 0 8px;padding:0;list-style:none;overflow:auto}.files-panel ul.file-list button{text-align:left;width:100%}.files-panel ul.file-list button[aria-current=true]{font-weight:700}.files-panel .banner-inline{background:#80808026;border-radius:6px;margin:6px 0;padding:6px 8px;font-size:12px}