/* ===== ปุ่มติดต่อลอย (Floating contact) ===== */
.contact-fab {
	--fab-offset: 0px;
	position: fixed;
	right: 20px;
	bottom: calc(24px + var(--fab-offset));
	z-index: 1035;
	display: flex;
	flex-direction: column;
	gap: 8px;
	align-items: flex-end;
	transition: bottom .3s ease;
}

.contact-fab__item {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 6px 16px 6px 6px;
	border-radius: 999px;
	background: rgba(255, 255, 255, .92);
	-webkit-backdrop-filter: blur(10px);
	backdrop-filter: blur(10px);
	border: 1px solid rgba(0, 0, 0, .06);
	box-shadow: 0 10px 30px -10px rgba(0, 0, 0, .35);
	color: #1f2933;
	text-decoration: none !important;
	transition: transform .2s ease, box-shadow .2s ease;
}

.contact-fab__item:hover,
.contact-fab__item:focus-visible {
	transform: translateX(-4px);
	box-shadow: 0 14px 34px -10px rgba(0, 0, 0, .45);
	color: #1f2933;
}

.contact-fab__icon {
	position: relative;
	flex: 0 0 40px;
	width: 40px;
	height: 40px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	color: #FFF;
	font-size: 20px;
}

.fab-tel .contact-fab__icon  { background: linear-gradient(135deg, #ffa31a, #ff6a00); }
.fab-line .contact-fab__icon { background: linear-gradient(135deg, #22d34a, #06b329); font-size: 24px; }
.fab-msg .contact-fab__icon  { background: linear-gradient(135deg, #00b2ff, #8a3ffc); font-size: 22px; }

/* วงคลื่นเบา ๆ ที่ปุ่มโทรแรก ดึงสายตา */
.contact-fab__item.fab-tel:first-child .contact-fab__icon::after {
	content: "";
	position: absolute;
	inset: 0;
	border-radius: 50%;
	border: 2px solid #ff8800;
	animation: fab-pulse 2s ease-out infinite;
}

@keyframes fab-pulse {
	from { transform: scale(1); opacity: .8; }
	to   { transform: scale(1.6); opacity: 0; }
}

.contact-fab__text {
	display: flex;
	flex-direction: column;
	line-height: 1.2;
	font-family: 'Maitree', serif;
}

.contact-fab__text small {
	font-size: 12px;
	color: #6b7280;
}

.contact-fab__text strong {
	font-size: 15px;
	font-weight: 700;
	white-space: nowrap;
}

.contact-fab__short {
	display: none;
}

/* ปุ่มเลื่อนขึ้นบนของธีม ย้ายไปซ้ายเพื่อไม่ทับปุ่มติดต่อ */
html .scroll-to-top {
	right: auto;
	left: 10px;
}

@media (prefers-reduced-motion: reduce) {
	.contact-fab__item.fab-tel:first-child .contact-fab__icon::after { animation: none; }
}

/* ===== Mobile / Tablet: แถบติดต่อด้านล่างจอ ===== */
@media (max-width: 991px) {
	body {
		padding-bottom: calc(66px + env(safe-area-inset-bottom));
	}

	.contact-fab {
		left: 0;
		right: 0;
		bottom: 0;
		flex-direction: row;
		align-items: stretch;
		gap: 6px;
		padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
		background: rgba(255, 255, 255, .96);
		-webkit-backdrop-filter: blur(10px);
		backdrop-filter: blur(10px);
		box-shadow: 0 -6px 20px rgba(0, 0, 0, .12);
	}

	.contact-fab__item {
		flex: 1 1 0;
		min-width: 0;
		flex-direction: column;
		gap: 2px;
		padding: 6px 4px;
		border-radius: 12px;
		border: 0;
		box-shadow: none;
		color: #FFF;
		-webkit-backdrop-filter: none;
		backdrop-filter: none;
	}

	.contact-fab__item:hover,
	.contact-fab__item:focus-visible {
		transform: none;
		box-shadow: none;
		color: #FFF;
	}

	.fab-tel  { background: linear-gradient(135deg, #ffa31a, #ff6a00); }
	.fab-line { background: linear-gradient(135deg, #22d34a, #06b329); }
	.fab-msg  { background: linear-gradient(135deg, #00b2ff, #8a3ffc); }

	.contact-fab__icon {
		flex: 0 0 auto;
		width: auto;
		height: 24px;
		background: none !important;
		font-size: 20px !important;
	}

	.contact-fab__item.fab-tel:first-child .contact-fab__icon::after {
		display: none;
	}

	.contact-fab__text {
		display: none;
	}

	.contact-fab__short {
		display: block;
		font-family: 'Maitree', serif;
		font-size: 13px;
		font-weight: 700;
		line-height: 1.2;
	}

	html .scroll-to-top {
		left: auto;
		right: 10px;
		bottom: calc(76px + env(safe-area-inset-bottom));
		border-radius: 4px;
		padding: 10px;
		height: auto;
	}
}