/*! Tham tu Amateur - nut noi dan toi mini-game pha an. */
:root {
	--tta-fab-size: 3.5rem;
	--tta-fab-gap: 1.25rem;
	--tta-fab-bg: #b3261e;
	--tta-fab-bg-hover: #ff6a57;
	--tta-fab-ink: #f7f3e9;
	--tta-fab-dark: #0b0b0c;
	--tta-fab-font: 'Archivo Narrow', 'Arial Narrow', sans-serif;
	--tta-fab-speed: 180ms;
}

.tta-fab {
	/* Ngoai le duy nhat dung position: fixed - nut dieu huong dinh man hinh. */
	position: fixed;
	right: var(--tta-fab-gap);
	bottom: var(--tta-fab-gap);
	z-index: 95;
	display: flex;
	align-items: center;
	gap: 0.6rem;
	min-height: var(--tta-fab-size);
	padding: 0.5rem 1rem 0.5rem 0.6rem;
	border-radius: 999px;
	background: var(--tta-fab-bg);
	color: var(--tta-fab-ink);
	font-family: var(--tta-fab-font);
	font-size: 0.95rem;
	font-weight: 700;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	text-decoration: none;
	box-shadow: 0 8px 20px rgba(11, 11, 12, 0.45);
	transition: background var(--tta-fab-speed) ease, transform var(--tta-fab-speed) ease;
}
.tta-fab:hover,
.tta-fab:focus-visible {
	background: var(--tta-fab-bg-hover);
	color: var(--tta-fab-dark);
	transform: translateY(-2px);
}
.tta-fab:focus-visible { outline: 2px solid var(--tta-fab-ink); outline-offset: 3px; }
.tta-fab__icon {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 2.4rem;
	height: 2.4rem;
	border-radius: 999px;
	background: rgba(247, 243, 233, 0.16);
}
.tta-fab__icon svg { display: block; width: 1.4rem; height: 1.4rem; }
.tta-fab__text { display: block; }

@media (max-width: 34rem) {
	.tta-fab { padding: 0.5rem; }
	.tta-fab__text {
		position: static;
		width: 1px;
		height: 1px;
		overflow: hidden;
		clip-path: inset(50%);
		white-space: nowrap;
	}
}

@media (prefers-reduced-motion: reduce) {
	.tta-fab { transition-duration: 1ms; }
	.tta-fab:hover,
	.tta-fab:focus-visible { transform: none; }
}