<div class="beam-loader"><span class="beam-loader__track"></span></div>
<style>
.beam-loader {
width:180px; height:12px; border-radius:999px;
background: rgba(91,141,239,0.08); border:1px solid rgba(91,141,239,0.15);
overflow:hidden; position:relative; box-shadow: inset 0 1px 0 rgba(91,141,239,0.15);
}
.beam-loader__track{
position:absolute; inset:0; width:60%;
background: linear-gradient(90deg, transparent, rgba(91,141,239,.65), transparent);
animation: beam-slide 1.1s ease-in-out infinite;
}
@keyframes beam-slide{0%{transform:translateX(-80%);}100%{transform:translateX(140%);}}
</style>