:root{--bg-base:#f8fafc;--bg-alt:#f1f5f9;--bg-card:#fff;--bg-code:#f1f5f9;--border:#e2e8f0;--border-strong:#cbd5e1;--text-h:#0f172a;--text-p:#334155;--text-muted:#64748b;--accent:#2563eb;--accent-2:#7c3aed;--accent-hover:#1d4ed8;--accent-glow:#2563eb24;--success:#16a34a;--shadow-sm:0 1px 3px #00000014;--shadow-md:0 4px 12px #0000001a;--shadow-lg:0 20px 48px #0000001f;--radius-sm:6px;--radius-md:12px;--radius-lg:20px;--nav-h:68px}[data-theme=dark]{--bg-base:#060b14;--bg-alt:#0f172a;--bg-card:#0f172a;--bg-code:#1e293b;--border:#1e293b;--border-strong:#334155;--text-h:#f1f5f9;--text-p:#94a3b8;--text-muted:#475569;--accent:#38bdf8;--accent-2:#a78bfa;--accent-hover:#7dd3fc;--accent-glow:#38bdf81f;--success:#4ade80;--shadow-sm:0 1px 3px #0006;--shadow-md:0 4px 16px #00000080;--shadow-lg:0 24px 64px 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