/**
 * BMI Calculator — split layout, gauge meter, themed chart colors.
 */

.sn-calc--bmi {
	--sn-bmi-severe: #b91c1c;
	--sn-bmi-moderate: #d97706;
	--sn-bmi-thin: #eab308;
	--sn-bmi-normal: #16a34a;
	--sn-bmi-overweight: #eab308;
	--sn-bmi-obese-1: #f97316;
	--sn-bmi-obese-2: #dc2626;
	--sn-bmi-obese-3: #7f1d1d;
	--sn-bmi-needle: #475569;
	--sn-bmi-needle-hub: #64748b;
	--sn-bmi-result-header: #1e3a5f;
}

.sn-calc-hint {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	margin: 0 0 1rem;
	padding: 0.65rem 0.85rem;
	border-radius: 0.75rem;
	background: linear-gradient(135deg, #1e3a5f 0%, #2b7ddb 100%);
	color: #fff;
	font-size: 0.875rem;
	font-weight: 600;
}

.sn-calc-hint__icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 1.35rem;
	height: 1.35rem;
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.18);
	font-size: 0.75rem;
}

.sn-calc-split {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1rem;
}

@media (min-width: 900px) {
	.sn-calc-split {
		grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
		align-items: start;
	}
}

.sn-calc-panel-box {
	padding: 1rem;
	border: 1px solid var(--color-border);
	border-radius: 1rem;
	background: #f8fafc;
}

.sn-calc-tabs--boxed {
	margin-bottom: 1rem;
	border-bottom: 1px solid var(--color-border);
	padding-bottom: 0.35rem;
}

.sn-calc-tabs--boxed .sn-calc-tabs__btn {
	border-radius: 0.5rem 0.5rem 0 0;
	border: none;
	background: transparent;
}

.sn-calc-tabs--boxed .sn-calc-tabs__btn.is-active {
	background: #fff;
	box-shadow: inset 0 -2px 0 #2b7ddb;
}

.sn-calc-unit-fields {
	margin-top: 0.75rem;
	padding: 0.85rem;
	border-radius: 0.75rem;
	background: #eef2f7;
}

.sn-calc-field-with-note {
	display: flex;
	align-items: center;
	gap: 0.65rem;
	flex-wrap: wrap;
}

.sn-calc-field__note {
	font-size: 0.8125rem;
	color: var(--color-text-muted);
	white-space: nowrap;
}

.sn-calc-input--unit {
	flex: 1 1 5rem;
	min-width: 0;
}

.sn-calc-input-unit {
	font-size: 0.8125rem;
	font-weight: 600;
	color: var(--color-text-muted);
	padding-bottom: 0.55rem;
	white-space: nowrap;
}

.sn-calc-error--inline {
	margin-top: 0.25rem;
}

.sn-calc-result--bmi {
	display: block;
	min-height: 100%;
}

.sn-calc-result__header--accent {
	background: var(--sn-bmi-result-header);
	border-bottom-color: rgba(255, 255, 255, 0.12);
}

.sn-calc-result__header--accent .sn-calc-result__title {
	color: #fff;
}

.sn-calc-btn--save-on-dark {
	color: #fff;
	border-color: rgba(255, 255, 255, 0.35);
}

.sn-calc-btn--save-on-dark:hover {
	background: rgba(255, 255, 255, 0.12);
	border-color: #fff;
}

.sn-calc-bmi-summary {
	margin: 0 0 0.75rem;
	font-size: 1rem;
	line-height: 1.5;
}

.sn-calc-bmi-gauge {
	display: flex;
	justify-content: center;
	margin: 0.25rem 0 0.75rem;
}

.sn-calc-bmi-gauge__svg {
	width: 100%;
	max-width: 300px;
	height: auto;
	display: block;
	margin: 0 auto;
}

.sn-calc-bmi-gauge__ticks text {
	font-size: 12px;
	font-weight: 600;
	fill: #fff;
	paint-order: stroke;
	stroke: rgba(0, 0, 0, 0.35);
	stroke-width: 2px;
}

.sn-calc-bmi-gauge__zones text {
	font-size: 14px;
	font-weight: 600;
	fill: #334155;
}

.sn-calc-bmi-gauge__needle {
	stroke: var(--sn-bmi-needle);
	stroke-width: 2;
}

.sn-calc-bmi-gauge__value {
	font-size: 30px;
	font-weight: 700;
	fill: #0f172a;
}

.sn-calc-bmi-stats {
	margin: 0;
	padding-left: 1.1rem;
	font-size: 0.9375rem;
	line-height: 1.55;
	color: var(--color-text);
}

.sn-calc-bmi-stats li + li {
	margin-top: 0.35rem;
}

.sn-bmi-table {
	width: 100%;
	border-collapse: collapse;
	margin: 1rem 0 1.25rem;
	font-size: 0.9375rem;
}

.sn-bmi-table th,
.sn-bmi-table td {
	padding: 0.55rem 0.75rem;
	border: 1px solid var(--color-border);
	text-align: left;
}

.sn-bmi-table th {
	background: #f1f5f9;
	font-weight: 700;
}

.sn-bmi-table td.is-center {
	text-align: center;
}

.sn-bmi-chart-wrap {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.75rem;
	margin: 1rem 0 1.5rem;
	padding: 1rem;
	border: 1px solid var(--color-border);
	border-radius: 1rem;
	background: #fff;
}

.sn-bmi-chart {
	width: 100%;
	max-width: 480px;
	height: auto;
	display: block;
}

.sn-bmi-chart__label {
	font-size: 11px;
	fill: #64748b;
}

.sn-bmi-chart__title {
	font-size: 13px;
	font-weight: 700;
	fill: #0f172a;
}

.sn-bmi-chart__contour,
.sn-bmi-chart__tick {
	font-size: 10px;
	fill: #475569;
	font-weight: 600;
}

.sn-bmi-chart__contour {
	paint-order: stroke;
	stroke: #fff;
	stroke-width: 3px;
}

.sn-bmi-chart-key {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 0.65rem 1.25rem;
	margin: 0;
	padding: 0;
	list-style: none;
	width: 100%;
	max-width: 480px;
}

.sn-bmi-chart-key li {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	font-size: 0.8125rem;
	color: var(--color-text-muted);
	line-height: 1.3;
}

.sn-bmi-chart-key__swatch {
	display: inline-block;
	width: 0.85rem;
	height: 0.85rem;
	border-radius: 0.15rem;
	flex-shrink: 0;
}

.sn-bmi-chart-key__swatch--under { background: rgba(220, 38, 38, 0.55); }
.sn-bmi-chart-key__swatch--normal { background: rgba(22, 163, 74, 0.55); }
.sn-bmi-chart-key__swatch--over { background: rgba(234, 179, 8, 0.55); }
.sn-bmi-chart-key__swatch--obese { background: rgba(249, 115, 22, 0.55); }

.sn-bmi-chart-key__contours {
	margin: 0;
	width: 100%;
	max-width: 480px;
	text-align: center;
	font-size: 0.8125rem;
	color: var(--color-text-muted);
	line-height: 1.45;
}