* {
	box-sizing: border-box;
	padding-inline: 0;
	margin-inline: 0;
}

input,
select {
	padding: 0.5rem;
	border-radius: 0.5rem;
}

input[type="text"]:read-only {
	border: 0px;

	&:focus-visible {
		outline: none;
	}
}

label {
	padding-inline: 1rem;
}

a,
button,
input[type="submit"],
input[type="button"],
.button {
	color: #000000;
	border: none;
	outline: inherit;
	font: inherit;
	text-decoration: none;
	cursor: pointer;
	padding: 0.5rem;
	border-radius: 0.5rem;
	text-align: center;
	background: none;
	box-shadow: 0px 0px 0px 1px #bbb;

	&:hover {
		box-shadow: 0px 0px 0px 2px #bbb;
		transition: 100ms;
	}
}

input[type="submit"],
button[type="submit"] {
	margin-block: 1rem;
	background-color: rgba(0, 0, 0, 0.05);
}

input[type="radio"] {
	opacity: 0;
}

div:has(>input[type="radio"]:checked) {
	background-color: #eee;
	box-shadow: 0px 0px 0px 1px #bbb;
}

nav {
	display: flex;
	justify-content: space-around;
	text-wrap: nowrap;

	.button {
		box-shadow: none;
		display: grid;
		padding: 1rem;
		flex: 1;

		span {
			font-size: x-large;
			height: 40px;
		}
	}

	img {
		width: 25px;
	}
}

body {
	font: 100% system-ui;
	margin: 0;
	height: 100dvh;

	display: grid;

	grid-template-rows: auto 1fr auto;
	grid-template-columns: auto;

	grid-template-areas: "h" "m" "n";


	header {
		h1 {
			text-align: center;
		}

		grid-area: h;
	}

	main {
		display: flex;
		flex-direction: column;
		justify-content: flex-end;
		margin: 0;
		margin-inline: 3rem;
		gap: 1rem;

		grid-area: m;


	}

	kous-nav {
		border-top: 1px solid #ddd;
	}
}

form {
	display: flex;
	flex-direction: column;

	&>button[type="button"] {
		margin-top: 1rem;
	}
}

fieldset {
	display: grid;
	grid-template-rows: auto;
	grid-template-columns: 1fr 1fr;
	padding: 1rem;
	gap: 0.5rem;
	border-radius: 0.5rem;

	label {
		user-select: none;
	}

	div {
		padding: 0.5rem;
	}
}

kous-nav {
	order: 2;

	grid-area: n;
}


@media screen and (min-width: 770px) {
	body {
		main {
			overflow-y: overlay;
			margin-inline: 0;
			padding: 1rem;
			gap: 0
		}
	}
}

@media screen and (min-width: 770px) {
	body {
		max-width: 40rem;
		margin: 0 auto;

		grid-template-rows: 20% auto;
		grid-template-columns: auto 1fr;

		grid-template-areas: "h h" "n m";


		header {
			display: flex;
			justify-content: center;
			align-items: center;
		}

		kous-nav {
			order: initial;
			border-top: none;
			border-right: 1px solid #ddd;
		}

		main {
			flex-grow: 1;
			justify-content: initial;
		}
	}
}