vac-optimizer/src/app/components/calendar-month/calendar-month.scss

.calendar {
	display: flex;
	flex-direction: column;
	align-items: stretch;
	gap: 1rem;

	h3 {
		margin: 0;
		font-weight: 600;
		font-size: 1rem;
		display: flex;
		align-items: baseline;
		justify-content: space-between;
		gap: 0.5rem;
		span {
			font-weight: 400;
			font-size: 0.8125rem;
			color: var(--ui-text-secondary);
		}
	}
}

.row {
	display: flex;
	flex-direction: row;
	justify-content: flex-start;
	width: 100%;

	&.header {
		font-weight: 500;
		font-size: 0.75rem;
		margin-bottom: 0.25rem;
		.day {
			height: 1.5rem;
			color: var(--ui-text-secondary);
		}
	}

	.day {
		position: relative;
		text-align: center;
		display: flex;
		align-items: center;
		justify-content: center;
		flex: 1;
		min-width: 0;
		height: 2.75rem;
		margin: 0;
		margin-block: 0.125rem;
		border-radius: 0.5rem;
		border: 1px solid transparent;
		color: var(--number-color);
		font: inherit;
		padding: 0;

		&.empty {
			visibility: hidden;
		}

		&.number {
			height: auto;
			min-height: 2.75rem;
			background-color: var(--ui-card-bg);
			transition:
				background-color 150ms ease,
				color 150ms ease;
		}

		&.number:hover:not(:disabled) {
			background-color: var(--number-bg-hover);
			color: var(--number-color-hover);
			cursor: pointer;
		}

		&.number:focus-visible {
			outline: 3px solid var(--today-border-color, #1976d2);
			outline-offset: 2px;
		}

		&.context-only {
			opacity: 0.38;
			cursor: not-allowed;
		}

		&.past {
			color: var(--past-color);
		}

		&.declared {
			background-image: var(--declared-day-pattern);
			color: var(--number-color);
		}

		&.declaration-preview {
			box-shadow: inset 0 0 0 2px var(--today-border-color);
			transition: none;
		}

		&.declaration-erase {
			box-shadow: inset 0 0 0 2px var(--ui-error-text);
			&::after {
				content: '−';
				position: absolute;
				inset-block-start: 0;
				inset-inline-end: 0.2rem;
				color: var(--ui-error-text);
			}
		}
	}

	.current {
		outline: 2px solid var(--today-border-color);
		outline-offset: -2px;
	}

	.explained-period {
		box-shadow: inset 0 -3px var(--today-border-color);
	}

	.selected {
		cursor: pointer;
	}

	.context-only.selected {
		cursor: not-allowed;
	}

	.selected:not(.start):not(.end) {
		border-radius: 0;
	}

	> .start:not(.end) {
		border-radius: 0.5rem 0 0 0.5rem;
	}

	> .end:not(.start) {
		border-radius: 0 0.5rem 0.5rem 0;
	}
}

.row .day.today {
	border-color: var(--today-border-color);
	border-width: 2px;
	border-style: dashed !important;
}

.other-month {
	color: var(--other-month-color);
}

.row .day.weekend {
	background-color: var(--weekend-bg);
}

.row .day.closed-day {
	border: 2px solid var(--closed-day-bg);
}

.row .day.rtt {
	background-color: var(--rtt-bg);
}

.row .day.cp {
	background-color: var(--cp-bg);
}

.row .day.other {
	background-color: var(--other-bg);
}

.row .week-number {
	height: 2.75rem;
	font-weight: 500;
	color: var(--week-number-color);
	margin-right: 0.25rem;
	max-width: 1.75rem;
	font-size: 0.75rem;
	background-color: var(--week-number-bg);
	border-radius: 0;
	margin-block: 0.125rem;
}

.row .week-number:hover {
	background-color: var(--week-number-bg-hover);
	cursor: default;
}

.row .week-number.start {
	border-radius: 30% 30% 0 0;
}

.row .week-number.end {
	border-radius: 0 0 30% 30%;
}