:root{--color-bg:#f8fafc;--color-surface:#fff;--color-text-primary:#0f172a;--color-text-secondary:#64748b;--color-accent:#3b82f6;--color-accent-hover:#2563eb;--color-border:#e2e8f0;--font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,Cantarell,"Open Sans","Helvetica Neue",sans-serif;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -4px #0000001a}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-text-primary);-webkit-font-smoothing:antialiased;line-height:1.5}button{cursor:pointer;background:0 0;border:none;font-family:inherit}textarea,input{font-family:inherit}.btn{border-radius:.375rem;justify-content:center;align-items:center;padding:.5rem 1rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--color-accent);color:#fff}.btn-primary:hover{background-color:var(--color-accent-hover)}.btn-ghost{color:var(--color-text-secondary)}.animate-spin{animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.article-content h1{margin:2rem 0 1rem;font-size:2rem;font-weight:700}.article-content h2{color:#0f172a;margin:1.75rem 0 .75rem;font-size:1.5rem;font-weight:600}.article-content h3{color:#0f172a;margin:1.5rem 0 .5rem;font-size:1.2rem;font-weight:600}.article-content p{margin:.75rem 0}.article-content ul,.article-content ol{margin:.75rem 0;padding-left:1.5rem}.article-content li{margin:.35rem 0}.article-content strong{color:#0f172a}.article-content em{font-style:italic}.article-content a{color:#1e5bff;text-decoration:underline}.article-content blockquote{color:#64748b;border-left:3px solid #1e5bff;margin:1rem 0;padding-left:1rem;font-style:italic}