/*
 * BreatheErie — pollen history widget.
 * Shares the visual language of the PurpleAir widget so the two read as one system.
 */

.bpo {
	--bpo-ink: #1a1a1a;
	--bpo-ink-soft: #5f5b54;
	--bpo-ink-faint: #8c877e;
	--bpo-line: #ddd7cc;
	--bpo-line-soft: #e9e4da;
	--bpo-surface: #fbf9f5;
	--bpo-surface-alt: #f4f1ea;
	--bpo-accent: #1a5f7a;
	--bpo-radius: 10px;
	--bpo-radius-sm: 7px;

	margin: 2rem 0;
	color: var(--bpo-ink);
	font-size: 15px;
	line-height: 1.5;
	-webkit-font-smoothing: antialiased;
}

.bpo *,
.bpo *::before,
.bpo *::after {
	box-sizing: border-box;
}

.bpo__title {
	margin: 0 0 1rem;
	font-size: 1.3rem;
	letter-spacing: -0.01em;
}

/* -------------------------------------------------------------- Today's headline */

.bpo-today {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem 2rem;
	padding: 1.3rem 1.6rem;
	margin-bottom: 1rem;
	background: var(--bpo-surface);
	border: 1px solid var(--bpo-line);
	border-radius: var(--bpo-radius);
}

.bpo-today[hidden] { display: none; }

.bpo-today__type {
	display: flex;
	flex-direction: column;
	gap: 0.25rem;
	min-width: 110px;
}

.bpo-today__k {
	font-size: 0.66rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.11em;
	color: var(--bpo-ink-faint);
}

.bpo-today__v {
	display: flex;
	align-items: baseline;
	gap: 0.4rem;
}

.bpo-today__n {
	font-size: 1.9rem;
	font-weight: 800;
	line-height: 1;
	font-variant-numeric: tabular-nums;
}

.bpo-today__c {
	font-size: 0.78rem;
	font-weight: 600;
	color: var(--bpo-ink-soft);
}

.bpo-today__season {
	font-size: 0.68rem;
	color: var(--bpo-ink-faint);
}

.bpo-today__meta {
	flex-basis: 100%;
	padding-top: 0.85rem;
	border-top: 1px solid var(--bpo-line-soft);
	font-size: 0.74rem;
	color: var(--bpo-ink-faint);
}

/* ------------------------------------------------------------------------ Panel */

.bpo-panel {
	background: var(--bpo-surface);
	border: 1px solid var(--bpo-line);
	border-radius: var(--bpo-radius);
	overflow: hidden;
}

.bpo-toolbar {
	display: flex;
	flex-wrap: wrap;
	align-items: flex-end;
	justify-content: space-between;
	gap: 1rem;
	padding: 1rem 1.2rem;
	border-bottom: 1px solid var(--bpo-line-soft);
}

.bpo-toolbar--sub {
	background: var(--bpo-surface-alt);
	padding-top: 0.85rem;
	padding-bottom: 0.85rem;
}

.bpo-seg {
	display: inline-flex;
	padding: 3px;
	background: var(--bpo-surface-alt);
	border: 1px solid var(--bpo-line-soft);
	border-radius: 999px;
}

.bpo-seg__btn {
	appearance: none;
	border: 0;
	background: transparent;
	padding: 0.38rem 0.85rem;
	border-radius: 999px;
	font: inherit;
	font-size: 0.82rem;
	font-weight: 600;
	color: var(--bpo-ink-soft);
	cursor: pointer;
	white-space: nowrap;
	transition: background-color .15s ease, color .15s ease;
}

.bpo-seg__btn:hover { color: var(--bpo-ink); }

.bpo-seg__btn.is-active {
	background: var(--bpo-accent);
	color: #fff;
	box-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
}

.bpo-field {
	display: flex;
	flex-direction: column;
	gap: 0.28rem;
}

.bpo-field__label {
	font-size: 0.64rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.11em;
	color: var(--bpo-ink-faint);
}

.bpo-input {
	appearance: none;
	font: inherit;
	font-size: 0.86rem;
	color: var(--bpo-ink);
	background: #fff;
	border: 1px solid var(--bpo-line);
	border-radius: var(--bpo-radius-sm);
	padding: 0.42rem 0.6rem;
}

.bpo-input:focus {
	outline: 2px solid var(--bpo-accent);
	outline-offset: 1px;
	border-color: var(--bpo-accent);
}

.bpo-btn {
	appearance: none;
	font: inherit;
	font-size: 0.84rem;
	font-weight: 600;
	color: #fff;
	background: var(--bpo-accent);
	border: 1px solid var(--bpo-accent);
	border-radius: var(--bpo-radius-sm);
	padding: 0.46rem 1rem;
	cursor: pointer;
}

.bpo-btn:hover { filter: brightness(1.1); }

.bpo-dates {
	display: flex;
	flex-wrap: wrap;
	align-items: flex-end;
	gap: 0.6rem;
}

.bpo-types {
	display: flex;
	flex-wrap: wrap;
	gap: 0.9rem;
}

.bpo-type {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	font-size: 0.83rem;
	color: var(--bpo-ink-soft);
	cursor: pointer;
}

.bpo-type input {
	width: 15px;
	height: 15px;
	margin: 0;
}

.bpo-type--tree  input { accent-color: #2e7d32; }
.bpo-type--grass input { accent-color: #b58a00; }
.bpo-type--weed  input { accent-color: #b23c2f; }

/* ------------------------------------------------------------------------ Chart */

.bpo-chart {
	position: relative;
	padding: 1.1rem 1.2rem 0.4rem;
}

.bpo-chart__canvas {
	position: relative;
	width: 100%;
}

.bpo-canvas { width: 100% !important; }

.bpo-chart__status {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	font-size: 0.78rem;
	color: var(--bpo-ink-faint);
	margin-bottom: 0.7rem;
	min-height: 1.2rem;
}

.bpo-chart__status.is-error .bpo-chart__statustext { color: #a8342c; }

.bpo-spinner {
	width: 12px;
	height: 12px;
	flex: none;
	border: 2px solid var(--bpo-line);
	border-top-color: var(--bpo-accent);
	border-radius: 50%;
	animation: bpo-spin .7s linear infinite;
}

.bpo-chart__status:not(.is-loading) .bpo-spinner { display: none; }

@keyframes bpo-spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
	.bpo-spinner { animation: none; }
}

.bpo-empty {
	position: absolute;
	inset: 0;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 0.35rem;
	text-align: center;
	padding: 1rem;
	color: var(--bpo-ink-faint);
}

.bpo-empty__title {
	font-size: 0.92rem;
	font-weight: 600;
	color: var(--bpo-ink-soft);
}

.bpo-empty__body {
	font-size: 0.8rem;
	max-width: 34ch;
	line-height: 1.45;
}

/* ------------------------------------------------------------------------- Scale */

.bpo-scale {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem 1rem;
	padding: 0.7rem 1.2rem;
	border-top: 1px solid var(--bpo-line-soft);
	font-size: 0.72rem;
	color: var(--bpo-ink-faint);
}

.bpo-scale__item {
	display: inline-flex;
	align-items: center;
	gap: 0.32rem;
}

.bpo-scale__swatch {
	display: inline-block;
	width: 11px;
	height: 11px;
	border-radius: 3px;
}

/* ----------------------------------------------------------------------- Species */

.bpo-species {
	padding: 1rem 1.2rem 1.2rem;
	border-top: 1px solid var(--bpo-line-soft);
	background: var(--bpo-surface-alt);
}

.bpo-species__title {
	margin: 0 0 0.15rem;
	font-size: 0.82rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.09em;
	color: var(--bpo-ink-faint);
}

.bpo-species__date {
	margin: 0 0 0.7rem;
	font-size: 0.74rem;
	color: var(--bpo-ink-faint);
}

.bpo-species__list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 0.45rem;
}

.bpo-species__row {
	display: grid;
	grid-template-columns: minmax(90px, 1.1fr) 3fr minmax(84px, auto);
	gap: 0.75rem;
	align-items: center;
	font-size: 0.83rem;
}

.bpo-species__name {
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.bpo-species__track {
	height: 7px;
	background: rgba(0, 0, 0, 0.07);
	border-radius: 999px;
	overflow: hidden;
}

.bpo-species__bar {
	display: block;
	height: 100%;
	border-radius: 999px;
	transition: width .3s ease;
}

.bpo-species__val {
	text-align: right;
	font-size: 0.76rem;
	color: var(--bpo-ink-faint);
	font-variant-numeric: tabular-nums;
}

.bpo-footnote {
	margin: 0.9rem 0 0;
	font-size: 0.76rem;
	line-height: 1.55;
	color: var(--bpo-ink-faint);
}

.bpo-caveat {
	margin: 0.6rem 0 0;
	padding: 0.7rem 0.9rem;
	border-left: 3px solid #c9a227;
	background: rgba(201, 162, 39, 0.07);
	font-size: 0.78rem;
	line-height: 1.5;
	color: var(--bpo-ink-soft);
}

@media (max-width: 782px) {
	.bpo-toolbar {
		flex-direction: column;
		align-items: stretch;
	}

	.bpo-seg {
		overflow-x: auto;
		-webkit-overflow-scrolling: touch;
	}

	.bpo-dates { width: 100%; }
	.bpo-dates .bpo-field { flex: 1 1 42%; }
	.bpo-input { width: 100%; }

	.bpo-species__row {
		grid-template-columns: 1fr;
		gap: 0.2rem;
	}

	.bpo-species__val { text-align: left; }
}

/* ------------------------------------------------------- Two-source comparison */

.bpo-compare {
	margin-bottom: 1rem;
	padding: 1.1rem 1.3rem 1rem;
	background: var(--bpo-surface);
	border: 1px solid var(--bpo-line);
	border-radius: var(--bpo-radius);
}

.bpo-compare[hidden] { display: none; }

.bpo-compare__head { margin-bottom: 0.7rem; }

.bpo-compare__title {
	display: block;
	font-size: 0.68rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.13em;
	color: var(--bpo-ink-faint);
}

.bpo-compare__sub {
	display: block;
	margin-top: 0.15rem;
	font-size: 0.78rem;
	color: var(--bpo-ink-faint);
}

.bpo-compare__table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.87rem;
}

.bpo-compare__table th {
	text-align: left;
	padding: 0.35rem 0.5rem 0.5rem 0;
	font-size: 0.7rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.07em;
	color: var(--bpo-ink-faint);
	border-bottom: 1px solid var(--bpo-line-soft);
}

.bpo-compare__table th span {
	display: block;
	font-weight: 400;
	text-transform: none;
	letter-spacing: normal;
	font-size: 0.68rem;
	opacity: 0.8;
}

.bpo-compare__table td {
	padding: 0.5rem 0.5rem 0.5rem 0;
	border-bottom: 1px solid var(--bpo-line-soft);
	vertical-align: baseline;
}

.bpo-compare__table tr:last-child td { border-bottom: 0; }

.bpo-compare__kind { font-weight: 600; }

.bpo-compare__n {
	font-size: 1.05rem;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
}

.bpo-compare__c {
	font-size: 0.76rem;
	color: var(--bpo-ink-faint);
	margin-left: 0.3rem;
}

.bpo-compare__row--conflict td { background: rgba(201, 162, 39, 0.09); }

.bpo-compare__note {
	margin: 0.8rem 0 0;
	padding: 0.65rem 0.85rem;
	border-left: 3px solid #c9a227;
	background: rgba(201, 162, 39, 0.07);
	font-size: 0.79rem;
	line-height: 1.5;
	color: var(--bpo-ink-soft);
}

.bpo-compare__note[hidden] { display: none; }

.bpo-source { min-width: 190px; }