body {
	--width-aside: 300px;
	--width-resize-handle: 3px;

	display: grid;
	grid-template-rows: 1fr;
	grid-template-columns: 300px 3px 1fr;
}

/* Layout */

aside {
	--header-height: 60px;

	position: relative;
	background-color: #181818;

	.fields {
		padding: var(--padding);

		fieldset.radio {
			margin-bottom: 10px;

			label {
				white-space: nowrap;
			}
		}
	}

	.heading {
		padding-left: var(--padding);
	}

	.sticky {
		top: var(--padding);
		position: sticky;

		.export {
			gap: 5px;
			height: var(--header-height);
			display: grid;
			padding: 0 var(--padding);
			grid-template-columns: repeat(1, 1fr);
		}
	}

}

resize-handle {
	width: 100%;
	background-color: #373c44;
}

main {
	--font-size: 14px;

	display: grid;
	padding: 0 var(--padding);
	font-size: var(--font-size);
	user-select: none;
	padding-top: var(--padding);
	padding-bottom: calc(100svh - 20px);
	grid-auto-rows: auto;
	grid-template-columns: 1fr;

	span > span {
		cursor: default;
		border-radius: 1px;

		&:hover {
			background-color: rgba(255, 255, 255, .15);
		}

		&[contenteditable] {
			cursor: text;
			outline: none;
			animation: 500ms cubic-bezier(0.46, 0.03, 0.52, 0.96) infinite alternate pulse;
			background-color: rgba(255, 255, 255, .05);
		}

		&.empty {
			padding: 0 5px;
			box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.15);

			&::before {
				color: grey;
				content: "<empty>";
				font-size: .85em;
				font-style: italic;
			}
		}

		main.highlight-spans & {
			border: solid 1px rgba(255, 255, 255, 0.3);
            margin: 0 2px;
		}
	}
}

/* Components */

edit-span-modal {
	top: 0;
	left: 0;
	width: 400px;
	height: 250px;
	border: solid 1px #373c44;
	display: grid;
	z-index: 1;
	opacity: 0;
	overflow: hidden;
	position: absolute;
	transform: translateY(10px);
	transition: 
		var(--anim-duration) opacity,
		var(--anim-duration) transform
	;
	border-radius: 6px;
	pointer-events: none;
	background-color: #181818;
	grid-template-columns: repeat(2, 1fr);
	border-top-left-radius: 0;

	&.active {
		opacity: 1;
		transform: translateY(0);
		pointer-events: initial;
	}

	ol, ul {
		height: 100%;
		overflow: hidden scroll;
		position: relative;
		padding-left: 30px;

		&::after {
			top: 0;
			right: 0;
			width: 100%;
			height: 100%;
			content: "";
			opacity: .3;
			position: absolute;
			pointer-events: none;
			background: linear-gradient(90deg,rgba(0, 0, 0, 0) 93%, rgba(0, 0, 0, 1) 100%);
		}

		&::-webkit-scrollbar {
			display: none;
		}

		li {
			cursor: pointer;
			padding: 5px 0;

			&:not(.active):hover {
				background-color: rgba(255, 255, 255, .05);
			}

			&::marker {
				color: rgba(255, 255, 255, .3);
				font-size: 11px;
			}

			&.active {
				background-color: rgba(255, 255, 255, .05);
			}

			+ li {
				border-top: solid 1px rgba(255, 255, 255, .3);
			}

			p {
				overflow: hidden;
				white-space: nowrap;
				pointer-events: none;
			}
		}
	}

	ul {
		padding-left: 0;
	}

	> div {
		--buttons-height: 40px;

		gap: calc(var(--padding) / 2);
		padding: calc(var(--padding) / 2);
		display: grid;
		align-items: center;
		grid-template-rows: var(--buttons-height) 1fr;
		background-color: rgba(255, 255, 255, .07);

		.buttons {
			gap: 5px;
			display: flex;

			button {
				width: var(--buttons-height);
				height: var(--buttons-height);
			}
		}

		.fmt {
			height: 100%;
			padding: 10px;
			overflow: hidden;
			border-radius: 6px;
			background-color: #181818;
		}
	}
}

/* Animations */

@keyframes pulse {
	from { box-shadow: 0 0 0 1px rgba(255, 255, 255, .2); }
	to { box-shadow: 0 0 0 1px rgba(255, 255, 255, .4); }
}