:root{--bg:#16181d;--bg-panel:#1d2026;--bg-inset:#101216;--border:#2c313a;--text:#d6dae2;--text-dim:#8b93a1;--accent:#4da3ff;--ok:#46b268;--err:#e5534b;--warn:#d9a940;--mono:ui-monospace, "SF Mono", Menlo, Consolas, monospace}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);font:13px/1.5 -apple-system,Segoe UI,system-ui,sans-serif}button{background:var(--bg-panel);color:var(--text);border:1px solid var(--border);font:inherit;cursor:pointer;border-radius:4px;padding:4px 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