.solar-calc {
	--sc-accent: #3b8edb;
	--sc-ink: #111827;
	--sc-muted: #6b7280;
	--sc-line: #e5e7eb;
	--sc-card: #ffffff;
	max-width: 960px;
	margin: 0 auto;
	font-family: inherit;
	color: var(--sc-ink);
	box-sizing: border-box;
}
.solar-calc *,
.solar-calc *::before,
.solar-calc *::after { box-sizing: border-box; }

.solar-calc__input {
	background: var(--sc-card);
	border: 1px solid var(--sc-line);
	border-radius: 16px;
	padding: 24px;
	margin-bottom: 16px;
}
.solar-calc__label {
	display: block;
	font-size: 15px;
	font-weight: 600;
	margin-bottom: 10px;
}
.solar-calc__field {
	display: flex;
	align-items: center;
	border: 1px solid var(--sc-line);
	border-radius: 10px;
	overflow: hidden;
	background: #fff;
	transition: border-color .15s, box-shadow .15s;
}
.solar-calc__field:focus-within {
	border-color: var(--sc-accent);
	box-shadow: 0 0 0 3px color-mix(in srgb, var(--sc-accent) 20%, transparent);
}
.solar-calc__prefix {
	padding: 0 4px 0 16px;
	font-size: 28px;
	font-weight: 700;
	color: var(--sc-muted);
}
.solar-calc .solar-calc__number {
	flex: 1;
	min-width: 0;
	border: 0 !important;
	outline: 0;
	box-shadow: none !important;
	background: transparent;
	font: inherit;
	font-size: 28px;
	font-weight: 700;
	color: var(--sc-ink);
	padding: 12px 16px 12px 4px;
	margin: 0;
	-moz-appearance: textfield;
}
.solar-calc__number::-webkit-outer-spin-button,
.solar-calc__number::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.solar-calc .solar-calc__range {
	width: 100%;
	margin: 18px 0 0;
	padding: 0;
	border: 0;
	background: transparent;
	accent-color: var(--sc-accent);
	cursor: pointer;
}

.solar-calc__results {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 12px;
	margin-bottom: 16px;
}
.solar-calc__card {
	display: flex;
	flex-direction: column;
	gap: 4px;
	background: var(--sc-card);
	border: 1px solid var(--sc-line);
	border-radius: 14px;
	padding: 18px 20px;
	min-width: 0;
}
.solar-calc__k {
	font-size: 13px;
	color: var(--sc-muted);
}
.solar-calc__v {
	font-size: 26px;
	font-weight: 700;
	line-height: 1.15;
	font-variant-numeric: tabular-nums;
	overflow-wrap: anywhere;
}
.solar-calc__sub {
	font-size: 13px;
	color: var(--sc-muted);
}
.solar-calc__card--accent {
	background: var(--sc-accent);
	border-color: var(--sc-accent);
	color: #fff;
}
.solar-calc__card--accent .solar-calc__k,
.solar-calc__card--accent .solar-calc__sub { color: rgba(255, 255, 255, .85); }

.solar-calc__chart {
	background: var(--sc-card);
	border: 1px solid var(--sc-line);
	border-radius: 14px;
	padding: 16px;
}
.solar-calc__chart:empty { display: none; }
.solar-calc__chart svg {
	display: block;
	width: 100%;
	height: 200px;
}
.solar-calc .sc-bar { fill: color-mix(in srgb, var(--sc-accent) 35%, #fff); }
.solar-calc .sc-bar--paid { fill: var(--sc-accent); }
.solar-calc .sc-cost { stroke: var(--sc-ink); stroke-width: 2; stroke-dasharray: 6 5; vector-effect: non-scaling-stroke; }
.solar-calc .sc-axis { display: flex; margin-top: 8px; font-size: 12px; color: var(--sc-muted); }
.solar-calc .sc-axis span { flex: 1; text-align: center; }

@media (max-width: 767px) {
	.solar-calc__results { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.solar-calc__input { padding: 18px; }
	.solar-calc__v { font-size: 22px; }
	.solar-calc__chart svg { height: 160px; }
}
@media (max-width: 420px) {
	.solar-calc__results { grid-template-columns: 1fr; }
}