:root{--brand-50: #eef0ff;--brand-100: #e0e3ff;--brand-300: #a5acff;--brand-500: #6366f1;--brand-600: #4f46e5;--brand-700: #4338ca;--accent: #22c55e;--accent-soft: #d1fae5;--bg: #fafafa;--bg-elev: #ffffff;--bg-soft: #f4f4f7;--border: rgba(15, 23, 42, 0.08);--border-strong: rgba(15, 23, 42, 0.14);--text: #0f172a;--text-muted:#475569;--text-dim: #64748b;--shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);--shadow-md: 0 4px 14px rgba(15, 23, 42, 0.08);--shadow-lg: 0 20px 50px rgba(67, 56, 202, 0.18);--radius-sm: 8px;--radius-md: 14px;--radius-lg: 22px;--radius-xl: 32px;--maxw: 1180px;--nav-h: 64px;--font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace}@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--bg: #0a0a0f;--bg-elev: #15151c;--bg-soft: #1c1c25;--border: rgba(255, 255, 255, 0.08);--border-strong: rgba(255, 255, 255, 0.16);--text: 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