#bg-shader{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:1;mix-blend-mode:screen;display:none}#bg-shader.on{display:block}#bg-matrix{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:0.55;mix-blend-mode:screen}#vignette{position:fixed;inset:0;z-index:2;pointer-events:none;background:radial-gradient(ellipse at center,transparent 55%,rgba(0,0,0,0.35) 100%)}#screen{position:fixed;inset:0;transition:filter 0.35s ease}html[data-crt=off] #screen{filter:none}#crt-aberration{position:fixed;inset:0;z-index:210;pointer-events:none;mix-blend-mode:screen;background:radial-gradient(ellipse 55% 45% at -8% -8%,rgba(255,35,90,0.38),transparent 62%),radial-gradient(ellipse 55% 45% at 108% 108%,rgba(255,35,90,0.38),transparent 62%),radial-gradient(ellipse 55% 45% at 108% -8%,rgba(20,200,255,0.38),transparent 62%),radial-gradient(ellipse 55% 45% at -8% 108%,rgba(20,200,255,0.38),transparent 62%);opacity:1;transition:opacity 0.3s ease}#crt-curve{position:fixed;inset:0;z-index:211;pointer-events:none;background:radial-gradient(ellipse 100% 100% at center,transparent 55%,rgba(0,0,0,0.45) 100%);mix-blend-mode:multiply;opacity:1;transition:opacity 0.3s ease}html[data-crt=off] #crt-aberration,html[data-crt=off] #crt-curve{opacity:0}#bg-noise{position:fixed;inset:0;width:100%;height:100%;z-index:209;pointer-events:none;opacity:0.08;mix-blend-mode:overlay;image-rendering:pixelated;image-rendering:crisp-edges}html[data-noise=off] #bg-noise{display:none}#scanlines{position:fixed;inset:0;z-index:213;pointer-events:none;background-image:repeating-linear-gradient(to bottom,rgba(0,0,0,0) 0,rgba(0,0,0,0) 2px,rgba(0,0,0,0.55) 3px,rgba(0,0,0,0.55) 3px);mix-blend-mode:multiply;opacity:1;animation:flicker 4s steps(60) infinite}html[data-crt=off] #scanlines{display:none}#phosphor{position:fixed;inset:0;z-index:212;pointer-events:none;background-image:repeating-linear-gradient(to right,rgba(255,30,60,0.10) 0px,rgba(255,30,60,0.10) 1px,rgba(40,255,60,0.10) 1px,rgba(40,255,60,0.10) 2px,rgba(40,80,255,0.10) 2px,rgba(40,80,255,0.10) 3px);mix-blend-mode:overlay;opacity:0.55}html[data-crt=off] #phosphor{display:none}#scan-sweep{position:fixed;left:0;right:0;top:-25vh;height:30vh;z-index:214;pointer-events:none;background:linear-gradient(to bottom,transparent 0%,rgba(255,255,255,0.03) 20%,rgba(255,255,255,0.10) 45%,rgba(255,255,255,0.24) 50%,rgba(255,255,255,0.10) 55%,rgba(255,255,255,0.03) 80%,transparent 100%);mix-blend-mode:overlay;animation:sweep 6.5s linear infinite;will-change:transform}@keyframes sweep{0%{transform:translateY(0)}100%{transform:translateY(125vh)}}html[data-crt=off] #scan-sweep{display:none}@media (prefers-reduced-motion: reduce){#scan-sweep{animation:none;opacity:0.4}}@keyframes flicker{0%,100%{opacity:0.65}47%{opacity:0.62}48%{opacity:0.85}49%{opacity:0.6}72%{opacity:0.7}73%{opacity:0.45}74%{opacity:0.7}}@media (prefers-reduced-motion: reduce){#scanlines{animation:none;opacity:0.45}}