/* nm-hotkeys — '?' shortcut legend overlay. */
.nm-hotkeys {
	position: fixed;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	z-index: 10000;
	background: var(--nm-card-bg, #fff);
	border: 1px solid rgba(0, 0, 0, .09);
	border-radius: 14px;
	box-shadow: 0 24px 70px rgba(0, 0, 0, .22);
	padding: 1.2rem 1.4rem;
	max-width: 92vw;
}
.nm-hotkeys h3 {
	margin: 0 0 .7rem;
	font-size: .85rem;
	text-transform: uppercase;
	letter-spacing: .1em;
	color: rgba(0, 0, 0, .55);
}
.nm-hotkeys table { border-collapse: collapse; }
.nm-hotkeys td { padding: .32rem .9rem .32rem 0; font-size: .9rem; }
.nm-hotkeys kbd {
	font-family: inherit;
	font-size: .78rem;
	font-weight: 600;
	background: rgba(0, 0, 0, .06);
	border: 1px solid rgba(0, 0, 0, .12);
	border-bottom-width: 2px;
	border-radius: 6px;
	padding: .15em .55em;
}