/* Kalkulátor držáků solárních panelů (FAQ › solar-components) — formulář vlevo, kusovník vpravo */
.solar-calc {
	--solar-calc-text: #353d48;
	--solar-calc-muted: #6b7480;
	--solar-calc-line: #e5e5e5;
	--solar-calc-line-strong: #d5d5d5;
	--solar-calc-surface: #fff;
	--solar-calc-surface-alt: #f5f5f5;
	--solar-calc-accent: #33414e;
	--solar-calc-input-bg: #eef3f8;
	--solar-calc-input-line: #c9d5e1;
	--solar-calc-ok: #15803d;
	--solar-calc-warning: #b45309;
	--solar-calc-warning-bg: #fdf4e7;
	color: var(--solar-calc-text);
	font-size: 13px;
	line-height: 20px;
}
.solar-calc *, .solar-calc *::before, .solar-calc *::after { box-sizing: border-box; }
.solar-calc [hidden] { display: none !important; }

/* Výsledek max. 750 px, celá dvojice sloupců na střed stránky */
.solar-calc__grid {
	display: grid; grid-template-columns: minmax(260px, 320px) minmax(0, 750px);
	justify-content: center; gap: 20px; align-items: start;
}
@media (max-width: 991px) { .solar-calc__grid { grid-template-columns: minmax(0, 750px); } }

/* ---------- zadání: tónovaný panel s akcentem, aby bylo jasné, kde se vyplňuje ---------- */
.solar-calc__form {
	background: var(--solar-calc-input-bg); border: 1px solid var(--solar-calc-input-line);
	border-top: 4px solid var(--solar-calc-accent); border-radius: 5px; padding: 16px;
	box-shadow: 0 1px 2px rgba(51, 65, 78, .08), 0 8px 20px -14px rgba(51, 65, 78, .45);
	counter-reset: solar-calc-step;
}
.solar-calc__form-head { margin-bottom: 14px; padding-bottom: 12px; border-bottom: 1px solid var(--solar-calc-input-line); }
.solar-calc__form-title { margin: 0 0 4px; font-size: 16px; font-weight: 700; color: var(--solar-calc-accent); }
.solar-calc__intro { margin: 0; color: var(--solar-calc-muted); }
.solar-calc__form .form-control { background-color: var(--solar-calc-surface); }
@media (min-width: 992px) { .solar-calc__form { position: sticky; top: 16px; } }

/* Skupina: vlevo svislý pruh s číslem a nadpisem, vpravo pole — nadpis nebere výšku */
.solar-calc__group {
	display: grid; grid-template-columns: 20px minmax(0, 1fr); column-gap: 12px;
	margin: 0; padding: 0; border: 0; min-width: 0; min-height: 180px;
}
.solar-calc__group + .solar-calc__group { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--solar-calc-input-line); }
.solar-calc__group-body { grid-column: 2; grid-row: 1; display: flex; flex-direction: column; gap: 12px; min-width: 0; }

/* Float vyřadí legend z rámečku fieldsetu; kolečko s číslem nahoře, pod ním nadpis otočený transformem */
.solar-calc__legend {
	float: left; grid-column: 1; grid-row: 1; position: relative; align-self: stretch;
	width: 20px; margin: 0; padding: 0; border: 0;
}
.solar-calc__legend::before {
	counter-increment: solar-calc-step; content: counter(solar-calc-step);
	display: flex; align-items: center; justify-content: center;
	width: 20px; height: 20px; border-radius: 50%;
	background: var(--solar-calc-accent); color: #fff; font-size: 11px; font-weight: 700; line-height: 1;
}
/* Otočení kolem pravého konce textu (8 px pod kolečkem) — bez procentního posunu, aby text ležel na celých pixelech */
.solar-calc__legend-text {
	position: absolute; top: 18px; right: 10px; white-space: nowrap;
	transform-origin: 100% 50%; transform: rotate(-90deg);
	font-size: 12px; font-weight: 600; line-height: 20px; letter-spacing: .04em; text-transform: uppercase; color: var(--solar-calc-accent);
}

.solar-calc__field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.solar-calc__field label { margin: 0; font-weight: 600; }
.solar-calc__field .form-control { font-variant-numeric: tabular-nums; }
.solar-calc__hint { font-size: 11px; line-height: 16px; color: var(--solar-calc-muted); }
.solar-calc__pair { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.solar-calc__calc { margin-top: 16px; width: 100%; }
.solar-calc--live .solar-calc__calc { display: none; }

/* ---------- souhrnné dlaždice ---------- */
.solar-calc__summary {
	display: flex; flex-wrap: wrap; gap: 1px; margin: 0 0 16px;
	background: var(--solar-calc-line); border: 1px solid var(--solar-calc-line); border-radius: 5px; overflow: hidden;
}
.solar-calc__tile { flex: 1 1 120px; margin: 0; padding: 10px 14px; background: var(--solar-calc-surface); }
.solar-calc__tile dt { margin: 0 0 2px; font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--solar-calc-muted); }
.solar-calc__tile dd { margin: 0; font-size: 22px; font-weight: 600; line-height: 1.15; font-variant-numeric: tabular-nums; }
.solar-calc__tile dd small { margin-left: 3px; font-size: 12px; font-weight: 400; color: var(--solar-calc-muted); }

/* ---------- kusovník ---------- */
.solar-calc__table-wrap { overflow-x: auto; background: var(--solar-calc-surface); border: 1px solid var(--solar-calc-line); border-radius: 5px; }
.solar-calc__table { width: 100%; min-width: 460px; border-collapse: collapse; }
.solar-calc__table th, .solar-calc__table td { padding: 8px 12px; text-align: left; vertical-align: top; }
.solar-calc__table thead th {
	font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; white-space: nowrap;
	color: var(--solar-calc-muted); border-bottom: 1px solid var(--solar-calc-line-strong);
}
.solar-calc__table tbody tr + tr td { border-top: 1px solid var(--solar-calc-line); }
.solar-calc__section th {
	background: var(--solar-calc-surface-alt); font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
	border-top: 1px solid var(--solar-calc-line-strong); border-bottom: 1px solid var(--solar-calc-line);
}
.solar-calc__item-body { display: flex; gap: 10px; align-items: flex-start; }
.solar-calc__thumb { flex: none; width: 36px; height: 36px; object-fit: contain; }
.solar-calc__name { font-weight: 600; }
.solar-calc__pn { display: block; font-size: 11px; color: var(--solar-calc-muted); }
.solar-calc__code { font-weight: 600; white-space: nowrap; }
.solar-calc__num { text-align: right !important; white-space: nowrap; font-variant-numeric: tabular-nums; }
.solar-calc__qty { font-size: 16px; font-weight: 700; }
.solar-calc__formula { display: block; font-size: 11px; color: var(--solar-calc-muted); white-space: normal; }
.solar-calc__code-inline { display: none; }
@media (max-width: 599px) {
	.solar-calc__table { min-width: 0; }
	.solar-calc__table .solar-calc__code { display: none; }
	.solar-calc__code-inline { display: inline; }
}
.solar-calc__table tfoot td { padding-top: 10px; padding-bottom: 10px; font-size: 15px; font-weight: 700; border-top: 2px solid var(--solar-calc-line-strong); }

/* ---------- upozornění ---------- */
.solar-calc__messages { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }
.solar-calc__message {
	display: flex; gap: 10px; padding: 9px 12px; border-radius: 4px;
	border-left: 3px solid var(--solar-calc-accent); background: var(--solar-calc-surface-alt);
}
.solar-calc__message-label { flex: none; min-width: 64px; font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--solar-calc-muted); padding-top: 1px; }
.solar-calc__message--warning { border-left-color: var(--solar-calc-warning); background: var(--solar-calc-warning-bg); }
.solar-calc__message--warning .solar-calc__message-label { color: var(--solar-calc-warning); }

/* ---------- akce ---------- */
.solar-calc__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 16px; }
.solar-calc__login { color: var(--solar-calc-muted); }
.solar-calc__status { font-weight: 600; color: var(--solar-calc-ok); }