:root{--bg-base:#0d1117;--bg-surface:#161b22;--bg-elevated:#21262d;--bg-hover:#30363d;--border:#30363d;--border-subtle:#21262d;--text:#e6edf3;--text-muted:#8b949e;--text-subtle:#6e7681;--accent:#388bfd;--accent-hover:#58a6ff;--accent-muted:#388bfd26;--danger:#f85149;--success:#3fb950;--warning:#d29922;--sidebar-width:260px;--header-height:52px;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;color:var(--text);background:var(--bg-base);-webkit-font-smoothing:antialiased;font-family:Inter,system-ui,-apple-system,sans-serif;font-size:14px;line-height:1.5}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#app{height:100%}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}button{cursor:pointer;font:inherit;background:0 0;border:none}input,select,textarea{font:inherit;color:inherit;background:var(--bg-elevated);border:1px solid 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