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#0000000a;--box-problem-bg:#fff8f8;--box-problem-border:#fed7d7;--box-solution-bg:#f8faff;--box-solution-border:#c7d2fe;--eval-tabs-bg:#e2e4eb;--eval-tab-active-bg:#fff;--eval-source-bg:#f8f9fc;--eval-code-bg:#fafbfc;--eval-rule-bg:#fff}[data-theme=dark]{--bg-page:#090a0f;--bg-subtle:#0d0f15;--bg-card:#12141c;--bg-card-hover:#171a24;--bg-elevated:#1d212d;--bg-input:#0e1017;--bg-footer:#06070a;--bg-code:#0a0c12;--bg-summary:#0a0c11;--bg-banner:#12141c;--border-hairline:#ffffff14;--border-subtle:#ffffff24;--border-focus:#6366f1;--primary:#4f46e5;--primary-hover:#4338ca;--primary-subtle:#6366f11f;--primary-border:#6366f14d;--primary-text:#818cf8;--accent-cyan:#0284c7;--accent-cyan-subtle:#0ea5e91a;--accent-cyan-text:#38bdf8;--accent-emerald:#059669;--accent-emerald-subtle:#10b9811a;--accent-emerald-text:#34d399;--accent-amber:#d97706;--accent-amber-subtle:#f59e0b1a;--accent-amber-text:#fbbf24;--text-primary:#f8fafc;--text-secondary:#cbd5e1;--text-muted:#94a3b8;--text-dim:#64748b;--shadow-card:0 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