/**
 * Yukarı çık — tema ile çakışmayan izole sınıflar
 */
.site-back-top {
	position: fixed;
	right: 1.25rem;
	bottom: 1.5rem;
	z-index: 999999;
	width: 3rem;
	height: 3rem;
	padding: 0;
	margin: 0;
	border: 0;
	border-radius: 50%;
	background: #2563eb;
	color: #fff;
	cursor: pointer;
	box-shadow: 0 4px 14px rgba(15, 23, 42, 0.28);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.35rem;
	line-height: 1;
	font-weight: 700;
	font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transform: translateY(10px);
	transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease,
		background-color 0.15s ease;
}

.site-back-top.site-back-top--visible {
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
	transform: translateY(0);
}

.site-back-top:hover {
	background: #1d4ed8;
	color: #fff;
}

.site-back-top:focus {
	outline: 2px solid #93c5fd;
	outline-offset: 2px;
}

.site-back-top__icon {
	display: block;
	margin-top: -3px;
	user-select: none;
}