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:root{--bg-primary:#131415;--bg-surface:#1e1f20;--bg-surface-elevated:#282a2d;--bg-input:#1a1a1c;--sidebar-bg:#18191b;--border-subtle:#2d2e30;--border-strong:#3d3e42;--text-primary:#f0f0f0;--text-secondary:#9da3ae;--text-muted:#6b7280;--accent:#20b8cd;--accent-hover:#199cb0;--accent-subtle:#20b8cd1f;--error:#ef4444;--warning:#f59e0b;--success:#10b981;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace}*{box-sizing:border-box;margin:0;padding:0}html,body{background-color:var(--bg-primary);width:100%;height:100%;color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;overflow:hidden}a{color:inherit;text-decoration:none}button{cursor:pointer;color:inherit;background:0 0;border:none;font-family:inherit}input,textarea,select{color:inherit;font-family:inherit}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 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