/* Fundo animado de circuitos/linhas para login.html */
.bg-animated-circuit {
position: fixed;
top: 0; left: 0; width: 100vw; height: 100vh;
z-index: 0;
pointer-events: none;
overflow: hidden;
}
.circuit-line {
position: absolute;
opacity: 0.7;
box-shadow: 0 0 16px 2px #2563eb33;
animation: circuitMove linear infinite;
}
@keyframes circuitMove {
0% { opacity: 0.7; filter: blur(0.5px); }
60% { opacity: 0.5; }
100% { opacity: 0; filter: blur(2.5px); top: 0; }
}