.crt-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: repeating-linear-gradient(0deg, rgba(0,0,0,0.15) 0px, rgba(0,0,0,0.15) 1px, transparent 1px, transparent 3px); pointer-events: none; z-index: 9999; }
.crt-overlay::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: radial-gradient(ellipse at center, rgba(0,0,0,0) 0%, rgba(0,0,0,0.5) 100%); pointer-events: none; }
.scanlines { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(to bottom, transparent 50%, rgba(0,0,0,0.05) 50%); background-size: 100% 4px; pointer-events: none; z-index: 9998; }