:root{--bg:#05060a;--card-bg:#0f172acc;--card-border:#94a3b84d;--text-primary:#f8fafc;--text-secondary:#cbd5f5;--accent:#38bdf8}*{box-sizing:border-box}body{min-height:100vh;color:var(--text-primary);background:radial-gradient(circle at top,#0f172a,#020617 80%);margin:0;font-family:Pretendard,Inter,Segoe UI,system-ui,-apple-system,sans-serif}a{color:inherit}main{width:min(1280px,100vw - 2.5rem);margin:0 auto;padding:3rem 0 4rem}@media (max-width:640px){main{width:calc(100vw - 1.5rem);padding:2rem 0 3rem}}