/**
 * Booking calendar.
 *
 * Two columns on a desktop - month on the left, times on the right - and
 * stacked on a phone, where the times sit directly under the day just tapped.
 */

.tcs-bk {
	display: grid;
	gap: 1.5rem;
	grid-template-columns: minmax(0, 20rem) minmax(0, 1fr);
	align-items: start;
	margin: 0 0 1.5rem;
}

@media (max-width: 640px) {
	.tcs-bk {
		grid-template-columns: minmax(0, 1fr);
		gap: 1rem;
	}
}

/* ---- month header ---- */

.tcs-bk__head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.5rem;
	margin-bottom: 0.75rem;
}

.tcs-bk__month {
	font-size: var(--tcs-text-md);
	font-weight: var(--tcs-weight-semibold);
	color: var(--tcs-ink);
}

.tcs-bk__nav {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2rem;
	height: 2rem;
	border: 1px solid var(--tcs-border);
	border-radius: 4px;
	color: var(--tcs-ink);
	text-decoration: none;
	line-height: 1;
	transition: border-color var(--tcs-duration-fast) var(--tcs-ease);
}

.tcs-bk__nav:hover {
	border-color: var(--tcs-border-strong);
}

.tcs-bk__nav.is-off {
	opacity: 0.3;
}

/* ---- month grid ---- */

.tcs-bk__grid {
	display: grid;
	grid-template-columns: repeat(7, 1fr);
	gap: 2px;
}

.tcs-bk__dow {
	padding: 0.25rem 0;
	text-align: center;
	font-size: var(--tcs-text-2xs);
	font-weight: var(--tcs-weight-semibold);
	letter-spacing: var(--tcs-tracking-label);
	text-transform: uppercase;
	color: var(--tcs-ink-faint);
}

.tcs-bk__pad {
	aspect-ratio: 1;
}

.tcs-bk__day {
	display: flex;
	align-items: center;
	justify-content: center;
	aspect-ratio: 1;
	border: 1px solid var(--tcs-border-faint);
	border-radius: 4px;
	font-size: var(--tcs-text-sm);
	font-variant-numeric: tabular-nums;
	color: var(--tcs-ink);
	text-decoration: none;
	background: var(--tcs-surface);
	transition:
		background var(--tcs-duration-fast) var(--tcs-ease),
		border-color var(--tcs-duration-fast) var(--tcs-ease);
}

a.tcs-bk__day:hover {
	border-color: var(--tcs-accent);
	background: var(--tcs-accent-tint);
}

.tcs-bk__day.is-off {
	color: var(--tcs-ink-faint);
	background: transparent;
	border-color: transparent;
	cursor: default;
}

.tcs-bk__day.is-today {
	font-weight: var(--tcs-weight-bold);
}

.tcs-bk__day.is-selected,
a.tcs-bk__day.is-selected:hover {
	background: var(--tcs-accent);
	border-color: var(--tcs-accent);
	color: var(--tcs-ink-inverse);
	font-weight: var(--tcs-weight-semibold);
}

.tcs-bk__day:focus-visible {
	outline: var(--tcs-focus-width) solid var(--tcs-focus-color);
	outline-offset: var(--tcs-focus-offset);
}

/* ---- times ---- */

.tcs-bk__panel {
	min-height: 6rem;
}

.tcs-bk__hint {
	margin: 0;
	color: var(--tcs-ink-muted);
	font-size: var(--tcs-text-sm);
}

.tcs-bk__slots {
	margin: 0;
	padding: 0;
	border: 0;
}

.tcs-bk__legend {
	padding: 0;
	margin-bottom: 0.6rem;
	font-size: var(--tcs-text-sm);
	font-weight: var(--tcs-weight-semibold);
	color: var(--tcs-ink);
}

.tcs-bk__times {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(5.5rem, 1fr));
	gap: 0.4rem;
}

.tcs-bk__time {
	position: relative;
	display: block;
}

/* The radio stays focusable but the label carries the whole hit area. */
.tcs-bk__time input {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	margin: 0;
	opacity: 0;
	cursor: pointer;
}

.tcs-bk__time span {
	display: block;
	padding: 0.5rem 0.25rem;
	text-align: center;
	border: 1px solid var(--tcs-border);
	border-radius: 4px;
	font-size: var(--tcs-text-sm);
	font-variant-numeric: tabular-nums;
	color: var(--tcs-ink);
	background: var(--tcs-surface);
	transition:
		background var(--tcs-duration-fast) var(--tcs-ease),
		border-color var(--tcs-duration-fast) var(--tcs-ease);
}

.tcs-bk__time input:hover + span {
	border-color: var(--tcs-accent);
}

.tcs-bk__time input:checked + span {
	background: var(--tcs-accent);
	border-color: var(--tcs-accent);
	color: var(--tcs-ink-inverse);
	font-weight: var(--tcs-weight-semibold);
}

.tcs-bk__time input:focus-visible + span {
	outline: var(--tcs-focus-width) solid var(--tcs-focus-color);
	outline-offset: var(--tcs-focus-offset);
}

/* Shown only while a fetch is in flight. */
.tcs-bk__panel.is-loading {
	opacity: 0.5;
}