:root {
	--accent: light-dark(#e11d48, #fecdd3);
	--accent-edge: #fb7185;
}

:focus-visible {
	outline-color: var(--accent-edge);
}

body {
	max-width: 1200px;
	margin: 0 auto;
	padding: 1rem;
	font-family: Aptos, system-ui, sans-serif;
	color: var(--text);
	background-color: var(--back);
	accent-color: var(--accent);
}

main {
	padding: 1em 0;
}

footer {
	margin-block: 2em;
	line-height: 1;
	text-align: center;
	text-wrap: balance;
	color: var(--mute);

	button {
		padding: 0.5em 1em;

		&:hover,
		&:focus {
			color: Canvas;
			background-color: CanvasText;
			border-color: CanvasText;
		}
	}
}

:where(input, button) {
	line-height: 1;
	background-color: var(--soft);
	border: 1px solid;
	border-radius: 4px;
}

h1 {
	margin-block: 0.5em 1em;
	text-align: center;
}

#todo-app {
	display: grid;
	gap: 1em;
	grid-template-columns: 1fr;

	@media (min-width: 640px) {
		grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	}
}

.category-header {
	display: grid;
	grid-template-columns: 1fr auto;
	margin: 0;
	line-height: 1;
	color: Canvas;
	background-color: CanvasText;

	.category {
		display: block;
		padding: 0.5rem;
	}

	button {
		padding: 0.5rem;
		font-size: 1rem;
		background-color: transparent;
	}
}

.todo-list {
	list-style: none;
	padding: 0;
	margin: 0;
}

.todo-item {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding-inline: 0.5em 0;
	padding-block: 0.3em;
	border-bottom: 1px solid var(--edge);

	&:last-child {
		border-bottom: none;
	}

	span {
		flex: 1;
		padding-right: 1em;
	}

	button {
		flex: 0 0 auto;
		width: 40px;
		aspect-ratio: 1;
		font-size: 1.5em;
		line-height: 1;
		border: 1px solid var(--edge);

		&:hover,
		&:focus {
			color: Canvas;
			background-color: CanvasText;
			border-color: CanvasText;
		}
	}
}

.add-todo {
	display: flex;
	gap: 0.5em;
	margin-inline: 0;
	margin-block: 0.5em 0;

	input {
		flex: 1;
		padding: 0.5em;
		font-size: 1em;
		border: 1px solid var(--edge);
	}

	button {
		width: 40px;
		aspect-ratio: 1;
		font-size: 1.5em;
		color: Canvas;
		background-color: var(--accent);
		border: none;
		cursor: pointer;

		&:hover,
		&:focus {
			color: Canvas;
			background-color: CanvasText;
			border-color: CanvasText;
		}
	}
}

#categories-textarea {
	display: block;
	width: 30ch;
	margin-block: 1em;
	padding: 0.5em;
	font-size: 1rem;
	line-height: 1.5;
}
#categories-save {
	display: block;
    width: 100%;
	padding: 0.5em;
	font-weight: 700;
	color: Canvas;
	background-color: CanvasText;
}

.actions {
	display: grid;
	grid-template-columns: 1fr;
	gap: 0.5em;
	width: fit-content;
	max-width: 100%;
	margin-inline: auto;

	@media (min-width: 640px) {
		grid-template-columns: repeat(3, auto);
	}
}