:root{--bg:#f7f7f7;--text:#111;--accent:#2563eb}*{box-sizing:border-box}body{margin:0;padding:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}footer,header{padding:1rem 1.5rem;border-bottom:1px solid #e5e5e5;background:#fff}footer{border-top:1px solid #e5e5e5;border-bottom:none;text-align:center;font-size:.85rem;color:#777}main{padding:1.5rem}.layout-container{max-width:800px;margin:0 auto}