.loading-bar{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,#3b82f6,#8b5cf6,#ec4899);transition:width .2s ease-out,background .25s ease-out,box-shadow .25s ease-out;box-shadow:0 0 10px rgb(59 130 246/50%);pointer-events:none}.loading-bar-error{background:linear-gradient(90deg,#ef4444,#dc2626);box-shadow:0 0 10px rgb(239 68 68/50%)}