:root{--bg-primary:#f8fafc;--bg-secondary:#fff;--text-primary:#0f172a;--text-secondary:#475569;--accent-color:#4f46e5;--accent-hover:#4338ca;--chart-color-1:#4f46e5;--chart-color-2:#14b8a6;--chart-color-3:#8b5cf6;--chart-color-4:#f43f5e;--border-color:#e2e8f0;--card-shadow:0 20px 25px -5px #0000001a, 0 10px 10px -5px #0000000a;--glass-bg:#fffc;--glass-border:#fffc;--font-sans:"Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--border-radius-lg:16px;--border-radius-md:12px;--border-radius-sm:8px;--input-bg:#fff}html.dark{--bg-primary:#0f172a;--bg-secondary:#1e293b;--text-primary:#f8fafc;--text-secondary:#cbd5e1;--accent-color:#6366f1;--accent-hover:#818cf8;--chart-color-1:#6366f1;--chart-color-2:#2dd4bf;--chart-color-3:#a78bfa;--chart-color-4:#fb7185;--border-color:#334155;--card-shadow:0 20px 25px -5px #00000080, 0 10px 10px -5px #0000004d;--glass-bg:#1e293bcc;--glass-border:#ffffff0d;--input-bg:#0f172a}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;line-height:1.6;transition:background-color .3s,color .3s}a{color:var(--accent-color);text-decoration:none;transition:color .2s}a:hover{color:var(--accent-hover);text-decoration:underline}h1,h2,h3,h4,h5,h6{color:var(--text-primary);margin-bottom:1rem;font-weight:700;line-height:1.25}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}button{cursor:pointer;background:0 0;border:none;font-family:inherit}input,select{font-family:inherit}