.scroll-to-top-fab {
	position: fixed;
	left: 18px;
	bottom: 18px;
	z-index: 9999;
	width: 56px;
	height: 56px;
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transition: opacity 0.3s ease, visibility 0.3s ease, bottom 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}
body.at-page-bottom .scroll-to-top-fab,
body.at-page-bottom #chat-fab {
	bottom: 5.5rem !important;
}
.scroll-to-top-fab.is-visible {
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
}
.scroll-to-top-fab-btn {
	width: 56px;
	height: 56px;
	padding: 0;
	border: none;
	border-radius: 50%;
	background: linear-gradient(135deg, #5a5fca 0%, #8b5cf6 100%);
	color: #fff;
	box-shadow: 0 4px 20px rgba(90, 95, 202, 0.45);
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.scroll-to-top-fab-btn:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 24px rgba(90, 95, 202, 0.55);
}
html[data-theme="light"] .scroll-to-top-fab-btn {
	background: linear-gradient(135deg, #5a5fca 0%, #7b7fff 100%);
}
@media (min-width: 1025px) {
	.scroll-to-top-fab {
		display: none !important;
	}
}