website/_src/assets/css/default/nav.css

.navbar {
	position: fixed;
	display: flex;
	z-index: 2;
	flex-direction: column;
	overflow-x: hidden;
	padding: var(--pad-l);
	width: var(--view);
	height: 100%;
	overflow-y: scroll;
	scrollbar-width: none;
	gap: var(--pad-m);

	& li *:is(a, button) {
		align-items: center;
		border-style: solid;
		border-width: 2px;
		border-radius: var(--round);
	}

	& section {
		border-radius: var(--round);
		font-weight: bold;
		border-width: 2px;
		border-style: solid;

		& h3 {
			display: flex;
			justify-content: center;
			align-items: center;
			padding: 0;
			height: var(--pad-xl);
			font-size: 1.4rem;
		}
	}
	& * svg,
	li img {
		margin: 0 8px 0 8px;
		width: 20px;
		align-self: center;
	}

	& ul {
		margin: var(--pad-sm);
		padding: 0;

		& li,
		button {
			padding: 0;
			align-items: center;
			margin-bottom: inherit;

			& img {
				border-radius: 100%;
			}
		}
	}

	& li *:is(a, button) {
		display: flex;
		font-size: 1.125rem;
		width: 100%;
		font-weight: bold;
		height: 36px;
		line-height: var(--pad-xl);
	}
}

#mobile > nav::before,
body::after {
	z-index: -1;
	content: "";
	position: absolute;
	mask-image: url("/assets/img/theme/sundae_sit-lines.png");
	mask-repeat: no-repeat;
	margin: 0;
	width: inherit;
	height: inherit;
	pointer-events: none;
}

#mobile > nav::before {
	bottom: 0;
	left: 0;
	mask-size: 160%;
	-webkit-mask-position-x: -25px;
	-webkit-mask-position-y: 90%;
}

body::after {
	content: none;
	mask-size: 100%;
	width: 100%;
	height: 100vw;
	-webkit-mask-position-x: 0;
	-webkit-mask-position-y: bottom;
}

button[popovertarget="mobile"] {
	display: none;
}

#floating {
	width: fit-content;
	height: fit-content;
	border-bottom-style: solid;
	border-right-style: solid;
	border-bottom-width: 2px;
	border-right-width: 2px;
	border-bottom-right-radius: var(--pad-l);
}

#mobile {
	margin: 0;
	padding: 0;
	background: none;
	border: 0;
}
#mobile > nav {
	border-right-style: solid;
	border-right-width: 2px;
}