/* Reset and primitives shared by every Chimera page */
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{font-family:"Roboto Mono",monospace;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

/* film-grain noise overlay; pages override --noise-opacity if needed */
body::before{
  content:"";position:fixed;inset:0;z-index:9999;pointer-events:none;
  opacity:var(--noise-opacity,0.04);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}