/**
 * Nút liên hệ nổi — giao diện.
 * Toạ độ (right / top / bottom / transform) do plugin sinh động ở wp_add_inline_style,
 * cố ý không đặt trong file này để file tĩnh vẫn cache được khi admin đổi vị trí.
 */

.cps-cb {
	position: fixed;
	z-index: 9998;
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.cps-cb__btn {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 48px;
	height: 48px;
	border-radius: 50%;
	background: var(--cps-cb-color, #1877f2);
	color: #fff;
	text-decoration: none;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cps-cb__btn:hover,
.cps-cb__btn:focus-visible {
	color: #fff;
	transform: scale(1.08);
	box-shadow: 0 6px 18px rgba(0, 0, 0, 0.28);
}

.cps-cb__btn:focus-visible {
	outline: 3px solid #fff;
	outline-offset: 2px;
}

.cps-cb__icon {
	display: flex;
	width: 26px;
	height: 26px;
}

.cps-cb__icon svg {
	display: block;
	width: 100%;
	height: 100%;
	fill: currentColor;
}

/* Nhãn hiện khi rê chuột, nằm bên trái nút */
.cps-cb__label {
	position: absolute;
	top: 50%;
	right: calc(100% + 12px);
	transform: translateY(-50%) translateX(8px);
	padding: 5px 10px;
	border-radius: 6px;
	background: rgba(17, 24, 39, 0.92);
	color: #fff;
	font-size: 13px;
	line-height: 1.3;
	white-space: nowrap;
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}

.cps-cb__label::after {
	content: "";
	position: absolute;
	top: 50%;
	left: 100%;
	transform: translateY(-50%);
	border: 5px solid transparent;
	border-left-color: rgba(17, 24, 39, 0.92);
}

.cps-cb__btn:hover .cps-cb__label,
.cps-cb__btn:focus-visible .cps-cb__label {
	opacity: 1;
	visibility: visible;
	transform: translateY(-50%) translateX(0);
}

/* Màu thương hiệu */
.cps-cb__btn--facebook {
	--cps-cb-color: #1877f2;
}

.cps-cb__btn--messenger {
	--cps-cb-color: #0084ff;
	background: linear-gradient(45deg, #0099ff 0%, #a033ff 55%, #ff5280 100%);
}

.cps-cb__btn--zalo {
	--cps-cb-color: #0068ff;
}

.cps-cb__btn--phone {
	--cps-cb-color: #16a34a;
}

/* Vòng sóng quanh nút gọi để hút mắt */
.cps-cb__btn--phone::after {
	content: "";
	position: absolute;
	inset: -4px;
	border: 2px solid rgba(22, 163, 74, 0.6);
	border-radius: 50%;
	pointer-events: none;
	animation: cps-cb-ring 1.8s ease-out infinite;
}

@keyframes cps-cb-ring {
	0% {
		transform: scale(0.85);
		opacity: 0.9;
	}
	100% {
		transform: scale(1.4);
		opacity: 0;
	}
}

@media (max-width: 549px) {
	.cps-cb__btn {
		width: 42px;
		height: 42px;
	}

	.cps-cb__icon {
		width: 22px;
		height: 22px;
	}

	/* Màn hình cảm ứng không có hover, nhãn chỉ tổ che nội dung */
	.cps-cb__label {
		display: none;
	}
}

@media (prefers-reduced-motion: reduce) {
	.cps-cb__btn,
	.cps-cb__label {
		transition: none;
	}

	.cps-cb__btn--phone::after {
		animation: none;
	}
}