:root {
	interpolate-size: allow-keywords;
}

html,
body {
	font-family:
		system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
		Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
	width: 100%;
	padding: 0;
	margin: 0;
	color-scheme: light;
}

#main-content-link {
	position: absolute;
	top: 0;
	left: 0;
	padding: 1em;
	background: white;
	opacity: 0;

	&:focus-visible {
		display: block;
		z-index: 1000;
		opacity: 1;
	}
}

.bold {
	font-weight: 1000;
}

main {
	margin: var(--main-margin);
	scroll-margin-top: var(--topbar-height);
	padding-left: 1em;
	padding-right: 1em;
	@media screen and (max-width: 650px) {
		margin-left: 1em;
		margin-right: 1em;
	}
}

h1, h2, h3, h4, h5, h6 {
	text-wrap: balance;
}

.container {
	--container-space: 1.5rem;
	min-width: fit-content;
	border: var(--container-border);
	border-radius: var(--container-rounding);
	padding: var(--container-space) 1.25rem;
	margin: var(--container-space) auto 0;
	position: relative;

	h1, h2, h3, h4, h5, h6 {
		margin: 0;
	}

	@media screen and (max-width: 650px) {
		border: none;
		border-radius: 0;
		border-bottom: var(--container-divider);
		margin-top: var(--container-space);
		padding: 0 0 var(--container-space) 0;
		&:last-of-type {
			border: none;
		}
	}
}

.searchbar-filter {
	display: none !important;
}

.button-list {
	display: flex;
	gap: var(--button-gap);
	justify-content: end;

	@media screen and (max-width: 650px) {
		justify-content: space-evenly;

		> * {
			flex: 1 0 auto;
		}
	}
}

button, .button {
	border: 1px solid var(--component-background);
	font-size: inherit;
	font-weight: bold;
	color: var(--component-text-color);
	background: var(--component-background);
	cursor: pointer;
	padding-block: var(--button-padding);
	padding-inline: calc(2 * var(--button-padding));
	text-decoration: none;
	border-radius: 0.5rem;
	text-align: center;
	align-content: center;
	user-select: none;

	&:hover, &:focus-visible, &:focus {
		--hover-color: color-mix(
			in oklab,
			color-mix(in oklab, var(--component-background) 100%, blue 5%),
			black 10%
		);
		accent-color: var(--hover-color, var(--kit-green));
		background: var(--hover-color);
	}

	&:active {
		background: color-mix(
			in oklab,
			color-mix(in oklab, var(--component-background) 100%, blue 10%),
			black 20%
		);
	}

	&:disabled {
		font-weight: inherit;
		--background-color: color-mix(
			in oklab,
			color-mix(in oklab, var(--component-background) 100%, yellow 5%),
			white 40%
		);
		cursor: inherit;
		background: var(--background-color);
		border-color: var(--background-color);
	}
}

input, select, textarea {
	margin-bottom: var(--button-gap);
	font: inherit;
	accent-color: var(--kit-green);

	border: var(--input-border);
	border-radius: var(--input-rounding);
	padding-block: var(--button-padding);
	padding-inline: calc(2 * var(--button-padding));

	&:not([type="hidden"]) {
		+ button, + .button {
			border-bottom-left-radius: 0;
			border-top-left-radius: 0;
		}
		&:has(+ button), &:has(+ .button) {
			border-bottom-right-radius: 0;
			border-top-right-radius: 0;
		}
	}
}

textarea {
	resize: vertical;
	min-height: 2lh;
	width: calc(100% - 1.5 * var(--container-space));
	height: 10lh;
}

hr {
	border-style: solid;
	color: var(--hard-divider-color);
	margin-top: var(--hr-top-margin);
	margin-bottom: 0;
}

hr + table {
	margin-top: 0;
}

table {
	border-collapse: collapse;
	width: 100%;
	tr {
		&:hover, &:focus-within {
			background: var(--table-row-highlight);
		}
		&:first-child td {
			border-top: none;
		}
		td {
			border: var(--table-cell-divide-border);
			border-collapse: collapse;
			text-align: center;
			padding: 0 0.5rem;
			&:has(.x-button) {
				padding: 0;
			}
		}
		td:first-child {
			border-left: none;
		}
		td:last-child {
			border-right: none;
		}
	}

	.x-button {
		border-radius: 0;
		width: 100%;
		height: 100%;
	}
}

.comment {
	margin-top: 0.125%;
	line-height: 1em;
	font-size: 75%;
	color: var(--comment-text-color);
}

.examiner-list-item {
	/* TODO */
}

.examiner-list-subheading {
	margin-top: 0.5em;
	color: var(--examiner-list-subheading-text-color);
	font-size: 0.9em;
	font-style: italic;
}

.exam-list-surrounding {
	min-width: fit-content;
	border-radius: calc(0.5 * var(--container-rounding));
	position: relative;

	background: var(--table-row-highlight);
	padding: var(--exam-list-padding);
	margin-block: var(--exam-list-margin) 0;
	border: transparent;

	&[open] {
		padding-bottom: calc(0.001 * var(--exam-list-padding));
	}

	.exam-slot-divider:first-of-type {
		margin: var(--first-exam-slot-divider-margin);
		color: var(--hard-divider-color);
	}
}

.text-center {
	text-align: center;
	padding: var(--container-space);
}

.exam-slot-divider {
	color: var(--divider-color);
	margin: 0;
	&:has(+ .searchbar-filter.exam-slot) {
		display: none;
	}
}

.exam-list {
	padding: 0;
	margin: 0;
	button, .button {
		align-self: end;
	}
}

.exam-slot {
	display: grid;
	justify-content: space-between;
	margin: var(--exam-list-margin);

	grid-template-columns: repeat(auto-fit, minmax(5lh, auto));
	grid-column-gap: min(1rem, 1%);
	grid-row-gap: 1rem;

	> :last-child {
		grid-column: -2/-1;
		text-align: right;
	}

	.button, button {
		text-align: center;
	}

	&[data-exam_booked]:not([data-exam_owned]) {
		color: var(--comment-text-color);
	}
}

summary {
	cursor: pointer;
	h1, h2, h3, h4, h5, h6 {
		display: inline-flex;
	}
	&:has(h1)::marker {
		font-size: 2em;
	}
	&:has(h2)::marker {
		font-size: 1.8em;
	}
	&:has(h3)::marker {
		font-size: 1.6em;
	}
	&:has(h4)::marker {
		font-size: 1.4em;
	}
	&:has(h5)::marker {
		font-size: 1.2em;
	}
	&:has(h6)::marker {
		font-size: 1em;
	}
}