:root{--primary:#4285f4;--primary-hover:#3367d6;--primary-light:#e8f0fe;--secondary:#34a853;--accent:#ea4335;--warning:#fbbc04;--surface:#fff;--background:#f8f9fa;--text:#202124;--text-secondary:#5f6368;--text-muted:#9aa0a6;--border:#dadce0;--border-light:#e8eaed;--shadow-xs:0 1px 2px rgba(60,64,67,.1);--shadow-sm:0 1px 3px rgba(60,64,67,.12),0 1px 2px rgba(60,64,67,.24);--shadow-md:0 4px 6px rgba(60,64,67,.12),0 1px 3px rgba(60,64,67,.2);--shadow-lg:0 10px 20px rgba(60,64,67,.15),0 3px 6px rgba(60,64,67,.2);--shadow-xl:0 20px 40px rgba(60,64,67,.2);--radius-sm:8px;--radius:12px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--max-width:1400px;--transition:0.2s ease;--transition-slow:0.3s ease;--gradient-primary:linear-gradient(135deg,#4285f4,#34a853 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rgba(0,0,0,.5);--shadow-lg:0 10px 20px rgba(0,0,0,.5),0 3px 6px rgba(0,0,0,.4)}.header{background:rgba(31,31,31,.95)}}