:root{--bg:#121417;--panel:#191d22;--panel-strong:#20262d;--line:#313942;--line-soft:#252b32;--text:#f4f7fb;--muted:#aab4bf;--faint:#77818d;--blue:#3b82f6;--green:#22c55e;--amber:#f59e0b;--red:#ef4444;--cyan:#14b8a6}*{box-sizing:border-box}html{background:var(--bg)}body{background:var(--bg);color:var(--text);letter-spacing:0;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}.app-frame{grid-template-columns:248px minmax(0,1fr);min-height:100vh;display:grid}.sidebar{border-right:1px solid 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