*,*:before,*:after{box-sizing:border-box}:root{--color-navy: #0f172a;--color-accent: #4f46e5;--color-accent-hover: #4338ca;--color-text: #1e293b;--color-muted: #64748b;--color-border: #e2e8f0;--color-bg: #f8fafc;--color-surface: #ffffff;--radius: 8px}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;font-size:16px;line-height:1.6;color:var(--color-text);background:var(--color-bg)}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline;color:var(--color-accent-hover)}button{font-family:inherit;cursor:pointer}pre,code{font-family:Fira Code,Cascadia Code,Consolas,monospace;font-size:.9em}pre{background:#f1f5f9;border:1px solid var(--color-border);border-radius:var(--radius);padding:1rem 1.25rem;overflow-x:auto}code{background:#f1f5f9;padding:.15em .4em;border-radius:4px}pre code{background:none;padding:0}article img{max-width:100%;height:auto;display:block;margin:1.5rem 0;border-radius:var(--radius);border:1px solid var(--color-border)}article h1,article h2,article h3{color:var(--color-navy);line-height:1.3}article blockquote{margin:1.25rem 0;padding:.75rem 1.25rem;border-left:4px solid var(--color-accent);background:#f1f5f9;color:var(--color-muted);border-radius:0 var(--radius) var(--radius) 0}