:host {
	display: block;
	min-width: 0;
}

.sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip-path: inset(50%);
	white-space: nowrap;
}

.calendar-year {
	display: grid;
	container: calendar-year / inline-size;
	gap: 1rem;
	min-width: 0;
	position: relative;
}

h2,
h3,
h4,
h5,
p {
	margin: 0;
}
h2 {
	font-size: clamp(1.5rem, 2.2vw, 2rem);
	line-height: 1.2;
	text-wrap: balance;
}
h3 {
	font-size: 1.125rem;
}
h4 {
	font-size: 1rem;
}
code {
	font-size: 0.8em;
	overflow-wrap: anywhere;
}

button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	min-width: 2.75rem;
	min-height: 2.75rem;
	padding: 0.5rem 0.75rem;
	border: 1px solid var(--mat-sys-outline);
	border-radius: var(--ui-radius-sm);
	background: var(--ui-card-bg);
	color: var(--mat-sys-primary);
	font: inherit;
	font-size: 0.875rem;
	cursor: pointer;
	transition: background-color 150ms ease;
	&:hover:not(:disabled),
	&[aria-pressed='true'] {
		background: var(--ui-panel-bg);
	}
	&:disabled {
		opacity: 0.45;
		cursor: not-allowed;
	}
	&[aria-disabled='true'] {
		opacity: 0.45;
		cursor: not-allowed;
	}
}

summary {
	min-height: 2.75rem;
	padding: 0.75rem;
	font-weight: 500;
	cursor: pointer;
}
summary:focus-visible {
	outline: 3px solid var(--mat-sys-primary);
	outline-offset: 2px;
}

.results-header,
.explanation-heading {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
}
.results-header {
	align-items: flex-start;
	padding-block: 0.25rem 0.5rem;
}
.results-heading {
	display: grid;
	gap: 0.75rem;
}
.planning-status {
	display: flex;
	align-items: center;
	gap: 0.375rem;
	width: fit-content;
	max-width: 65ch;
	padding: 0.25rem 0.625rem;
	border-radius: var(--ui-radius-sm);
	font-size: 0.8125rem;
	font-weight: 600;
	mat-icon {
		flex-shrink: 0;
	}
	&.success {
		background: var(--ui-success-bg);
		color: var(--ui-success-text);
	}
	&.warning {
		background: var(--ui-warning-bg);
		color: var(--ui-warning-text);
	}
	&.error {
		background: var(--ui-error-bg);
		color: var(--ui-error-text);
	}
}

.plan-summary {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 0.75rem;
	margin: 0;
	div {
		display: flex;
		flex-direction: column;
		gap: 0.375rem;
		padding: 1.25rem;
		border: 1px solid var(--ui-border);
		border-radius: var(--ui-radius-md);
		background: var(--ui-card-bg);
	}
	dt {
		color: var(--ui-text-secondary);
		font-size: 0.875rem;
		line-height: 1.4;
	}
	dd {
		order: -1;
		margin: 0;
		font-size: 2.25rem;
		font-weight: 600;
		font-variant-numeric: tabular-nums;
		line-height: 1.1;
	}
	div:first-child {
		background: var(--mat-sys-primary);
		color: var(--mat-sys-on-primary);
		border-color: transparent;
		dt {
			color: inherit;
		}
	}
}

.plan-insights {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	align-items: start;
	gap: 0.75rem;
	> details {
		min-width: 0;
		border: 1px solid var(--ui-border);
		border-radius: var(--ui-radius-md);
		background: var(--ui-card-bg);
		scroll-margin-block-start: 1rem;
		> summary {
			display: flex;
			align-items: center;
			gap: 0.75rem;
			padding: 1rem;
			min-height: 4.5rem;
			border-radius: calc(var(--ui-radius-md) - 1px);
			transition: background-color 150ms ease;
			list-style: none;
			font-size: 0.875rem;
			font-weight: 600;
			&::-webkit-details-marker {
				display: none;
			}
			&:hover {
				background: var(--ui-panel-bg);
			}
			> mat-icon {
				flex-shrink: 0;
				color: var(--mat-sys-primary);
			}
			> span {
				flex: 1;
			}
			small {
				display: block;
				margin-top: 0.25rem;
				font-size: 0.8125rem;
				color: var(--ui-text-secondary);
				font-weight: 400;
			}
		}
		&[open] {
			grid-column: 1 / -1;
			> summary {
				border-bottom: 1px solid var(--ui-border);
				border-radius: calc(var(--ui-radius-md) - 1px) calc(var(--ui-radius-md) - 1px) 0 0;
			}
			.disclosure-chevron {
				transform: rotate(180deg);
			}
		}
	}
}

.statistics-content {
	display: grid;
	gap: 1rem;
}
.statistics-summary {
	grid-template-columns: minmax(0, 1fr);
}
.earned-leave-breakdown {
	display: grid;
	gap: 0.75rem;
	margin: 0;
	div {
		display: flex;
		justify-content: space-between;
		gap: 1rem;
	}
	dt {
		min-width: 0;
		overflow-wrap: anywhere;
	}
	dd {
		margin: 0;
		font-weight: 600;
		font-variant-numeric: tabular-nums;
	}
}

.placement-explanation,
.outcome-explanation {
	display: grid;
	gap: 1rem;
	min-width: 0;
}
.placement-explanation {
	padding: 1.25rem;
}
.placement-explanation ul {
	margin: 0.5rem 0 0;
	padding-inline-start: 1.25rem;
}
.break-story,
.outcome-explanation {
	padding: 1rem;
	border-radius: var(--ui-radius-sm);
	background: var(--ui-panel-bg);
}
.technical-details {
	border: 1px solid var(--ui-border);
	border-radius: var(--ui-radius-sm);
	> dl,
	> div {
		padding: 0.75rem;
	}
}
.break-story,
.day-impact,
.leave-story,
.counterfactual-result {
	display: grid;
	gap: 0.75rem;
}
.break-story > p,
.day-impact > p {
	color: var(--ui-text-secondary);
	font-size: 0.875rem;
}
.break-equation {
	display: grid;
	grid-template-columns: 1fr auto 1fr auto 1fr;
	align-items: center;
	gap: 0.5rem;
	text-align: center;
	font-size: 0.8125rem;
	strong {
		display: block;
		font-size: 1.75rem;
		font-variant-numeric: tabular-nums;
	}
}
.impact-table {
	width: 100%;
	border-collapse: collapse;
	table-layout: fixed;
	font-size: 0.875rem;
	th,
	td {
		padding: 0.75rem 0.5rem;
		border-bottom: 1px solid var(--ui-border);
		text-align: center;
		overflow-wrap: anywhere;
	}
	th:first-child {
		width: 52%;
		text-align: start;
	}
	td {
		font-size: 1.125rem;
		font-weight: 600;
		font-variant-numeric: tabular-nums;
	}
	small {
		display: block;
		margin-top: 0.25rem;
		font-size: 0.8125rem;
		font-weight: 400;
		color: var(--ui-text-secondary);
	}
}
.compare-date-field {
	width: 100%;
	min-width: 0;
}
.compare-dates-button {
	justify-self: start;
}
.placement-stepper {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.5rem;
}
.placement-stepper button {
	padding: 0.375rem;
}
output {
	font-size: 0.8125rem;
	font-variant-numeric: tabular-nums;
	padding: 0.375rem;
}

.compact-facts {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
	gap: 0.75rem;
	margin: 0;
}
.compact-facts > div {
	min-width: 0;
	padding: 0.75rem;
	background: var(--ui-panel-bg);
	border-radius: var(--ui-radius-sm);
}
.compact-facts dt {
	font-size: 0.8125rem;
	font-weight: 600;
	color: var(--ui-text-secondary);
}
.compact-facts dd {
	margin: 0.25rem 0 0;
	overflow-wrap: anywhere;
}
.reason-list {
	padding: 1rem 1rem 1rem 2rem;
	margin: 0;
}
.inline-error,
.counterfactual-inline-error,
.conflict-explanation {
	padding: 0.75rem;
	border-inline-start: 4px solid var(--ui-error-text);
	background: var(--ui-error-bg);
	color: var(--ui-error-text);
}
.counterfactual-inline-error {
	display: grid;
	justify-items: start;
	gap: 0.75rem;
}
.decisive-summary {
	padding: 0.75rem;
	border-inline-start: 3px solid var(--mat-sys-primary);
	background: var(--ui-panel-bg);
}
.incomplete-explanation,
.incomplete-incumbent {
	padding: 1rem;
	border-inline-start: 4px solid var(--ui-warning-text);
	background: var(--ui-warning-bg);
	color: var(--ui-warning-text);
}

.calendar-help {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	color: var(--ui-text-secondary);
	font-size: 0.875rem;
	mat-icon {
		flex-shrink: 0;
		font-size: 1.125rem;
		width: 1.125rem;
		height: 1.125rem;
	}
}
.calendar-legend {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.5rem 1rem;
	font-size: 0.875rem;
	ul {
		display: flex;
		flex-wrap: wrap;
		gap: 0.5rem 1rem;
		margin: 0;
		padding: 0;
		list-style: none;
	}
	li {
		display: flex;
		align-items: center;
		gap: 0.375rem;
		color: var(--ui-text-secondary);
	}
}
.legend-swatch {
	width: 1rem;
	height: 1rem;
	border-radius: 0.25rem;
	flex-shrink: 0;
	&.declared {
		background-image: var(--declared-day-pattern);
		border: 1px solid var(--ui-border);
	}
	&.weekend {
		background: var(--weekend-bg);
	}
	&.closed-day {
		border: 2px solid var(--closed-day-bg);
	}
	&.cp {
		background: var(--cp-bg);
	}
	&.rtt {
		background: var(--rtt-bg);
	}
	&.other {
		background: var(--other-bg);
	}
	&.today {
		border: 2px dashed var(--today-border-color);
	}
	&.current {
		outline: 2px solid var(--today-border-color);
		outline-offset: -2px;
	}
	&.explained-period {
		box-shadow: inset 0 -3px var(--today-border-color);
	}
}
.legend-symbol,
.status-symbol {
	min-width: 1rem;
	font-weight: 700;
}
.month-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(min(100%, 20rem), 1fr));
	gap: 1rem;
	&.declaration-entry {
		user-select: none;
	}
}
.month-card {
	min-width: 0;
	background: var(--ui-card-bg);
	border: 1px solid var(--ui-border);
	border-radius: var(--ui-radius-md);
	box-shadow: none;
}

.loading-overlay {
	position: absolute;
	inset: 0;
	display: grid;
	place-items: start center;
	padding-top: 5rem;
	min-height: 18rem;
	border-radius: var(--ui-radius-lg);
	z-index: 1;
	background: var(--loading-overlay-bg);
}
.loading-spinner {
	display: grid;
	justify-items: center;
	gap: 1rem;
}
.cancel-calculation {
	min-height: 44px;
}
.spinner-container {
	position: relative;
}
.spinner-text {
	position: absolute;
	inset: 0;
	display: grid;
	place-items: center;
	font-size: 1.125rem;
	font-weight: 600;
}

@container calendar-year (max-width: 35rem) {
	.plan-insights {
		grid-template-columns: minmax(0, 1fr);
	}
	.plan-summary {
		gap: 0.5rem;
		div {
			padding: 1rem 0.625rem;
		}
		dd {
			font-size: 1.75rem;
		}
		dt {
			font-size: 0.75rem;
		}
	}
	.placement-explanation {
		padding: 0.875rem;
	}
	.placement-stepper {
		gap: 0.25rem;
		output {
			order: -1;
			flex-basis: 100%;
			text-align: center;
		}
	}
}

.calculation-content,
.criteria-detail,
.balance-detail {
	display: grid;
	gap: 0.75rem;
	min-width: 0;
}
.calculation-content {
	gap: 1.5rem;
}
.calculation-intro,
.balance-detail > p {
	color: var(--ui-text-secondary);
	font-size: 0.875rem;
}
.balance-ledger {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem 2rem;
	margin: 0;
	dt {
		color: var(--ui-text-secondary);
		font-size: 0.8125rem;
	}
	dd {
		margin: 0.25rem 0 0;
		font-weight: 600;
	}
}
.criterion-help {
	summary {
		padding: 0;
		align-content: center;
		font-size: inherit;
	}
	p {
		font-weight: 400;
		font-size: 0.8125rem;
		padding-block: 0.5rem;
	}
}
.decisive-row {
	background: var(--ui-panel-bg);
}
.decisive-label {
	display: inline-block;
	margin-top: 0.375rem;
	padding: 0.125rem 0.375rem;
	border: 1px solid var(--mat-sys-primary);
	border-radius: var(--ui-radius-sm);
	color: var(--mat-sys-primary);
	font-size: 0.75rem;
	font-weight: 600;
}
.tie-breaks {
	padding: 0.75rem;
	border-inline-start: 2px solid var(--ui-border);
	font-size: 0.875rem;
	ol {
		margin: 0.5rem 0 0;
		padding-inline-start: 1.25rem;
	}
}
.audit-data {
	border-top: 1px solid var(--ui-border);
	summary {
		padding-inline: 0;
		color: var(--ui-text-secondary);
		font-size: 0.875rem;
	}
	pre {
		max-height: 24rem;
		overflow: auto;
		white-space: pre-wrap;
		overflow-wrap: anywhere;
		padding: 0.75rem;
		background: var(--ui-panel-bg);
		font-size: 0.75rem;
	}
}

.counterfactual-panel {
	display: flex;
	flex-direction: column;
	max-height: calc(100dvh - 2rem);
	background: var(--ui-card-bg);
	color: var(--mat-sys-on-surface);
}
.comparison-heading,
.comparison-footer,
.comparison-result-heading {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
}
.comparison-heading {
	align-items: flex-start;
	padding: 1.5rem;
	h2 {
		font-size: 1.5rem;
	}
	p {
		margin-top: 0.5rem;
		color: var(--ui-text-secondary);
		font-size: 0.875rem;
	}
}
.comparison-close {
	flex-shrink: 0;
	padding: 0;
	border-color: transparent;
}
.counterfactual-panel .comparison-content {
	display: grid;
	gap: 1rem;
	min-height: 0;
	max-height: none;
	padding: 0 1.5rem 1.5rem;
	color: inherit;
	font: inherit;
	font-size: 0.875rem;
}
.comparison-date-pair {
	display: grid;
	grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
	align-items: center;
	gap: 0.75rem;
	> mat-icon {
		color: var(--ui-text-secondary);
	}
	> .original-date {
		padding: 1rem;
		border: 1px solid var(--ui-border);
		border-radius: var(--ui-radius-sm);
	}
}
.original-date {
	display: grid;
	gap: 0.75rem;
	background: var(--ui-panel-bg);
	span {
		color: var(--ui-text-secondary);
	}
	strong {
		font-size: 1.125rem;
	}
}
.comparison-range {
	color: var(--ui-text-secondary);
	font-size: 0.8125rem;
}
.nearby-dates {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.5rem;
	> span {
		flex-basis: 100%;
		color: var(--ui-text-secondary);
	}
}
.comparison-result-heading {
	flex-wrap: wrap;
	padding-top: 0.5rem;
}
.available-date,
.unavailable-date,
.comparison-loading {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	mat-icon {
		flex-shrink: 0;
	}
}
.available-date {
	color: var(--ui-success-text);
	font-size: 0.8125rem;
}
.unavailable-date {
	align-items: flex-start;
	padding: 1rem;
	border-radius: var(--ui-radius-sm);
	background: var(--ui-warning-bg);
	color: var(--ui-warning-text);
	p {
		margin-top: 0.5rem;
	}
}
.comparison-empty {
	padding: 1rem;
	background: var(--ui-panel-bg);
	border-radius: var(--ui-radius-sm);
}
.comparison-loading {
	padding-block: 2rem;
	justify-content: center;
}
.comparison-footer {
	padding: 1rem 1.5rem;
	border-top: 1px solid var(--ui-border);
	font-size: 0.8125rem;
	color: var(--ui-text-secondary);
	.comparison-done {
		background: var(--mat-sys-primary);
		color: var(--mat-sys-on-primary);
		&:hover {
			background: var(--mat-sys-primary);
			opacity: 0.9;
		}
	}
}
@media (max-width: 560px) {
	.comparison-heading {
		padding: 1rem;
	}
	.counterfactual-panel .comparison-content {
		padding: 0 1rem 1rem;
	}
	.comparison-date-pair {
		grid-template-columns: minmax(0, 1fr);
		> mat-icon {
			display: none;
		}
		> div {
			display: flex;
			flex-wrap: wrap;
			justify-content: space-between;
			padding: 0.75rem;
		}
	}
	.comparison-footer {
		padding: 1rem;
		flex-wrap: wrap;
		button {
			width: 100%;
		}
	}
}

.nearby-dates button[aria-pressed='true'] {
	border-color: var(--mat-sys-primary);
}