/* ==========================================================================
   Rechner (Kapitalanlage, Finanzierung, Kaufnebenkosten, Rendite)
   Diagramm-Farben: Bordeaux = Hauptserie, warmes Grau = Kontext (Emphasis).
   ========================================================================== */

.rechner {
	--chart-a: var(--fi-bordeaux);
	--chart-b: #d3cbc9;
	--chart-b-line: #8f8381;
	--chart-grid: #eee8e6;
	--chart-axis: #cfc6c4;
}

/* Reiter */
.rechner-tabs__list {
	display: flex; gap: 8px; margin-bottom: clamp(24px, 3vw, 36px);
	overflow-x: auto; scrollbar-width: none; padding-bottom: 4px;
}
.rechner-tabs__list::-webkit-scrollbar { display: none; }
.rechner-tabs__tab {
	display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0;
	min-height: 52px; padding: 0 22px;
	border: 1.5px solid var(--fi-line-strong); border-radius: 999px; background: #fff;
	color: var(--fi-ink); font: inherit; font-size: .95rem; font-weight: 700; cursor: pointer;
	transition: border-color .2s, background-color .2s, color .2s;
}
.rechner-tabs__tab .fi-icon { color: var(--fi-bordeaux); }
.rechner-tabs__tab:hover { border-color: var(--fi-bordeaux); }
.rechner-tabs__tab[aria-selected="true"] { background: var(--fi-bordeaux); border-color: var(--fi-bordeaux); color: #fff; }
.rechner-tabs__tab[aria-selected="true"] .fi-icon { color: #fff; }

/* Layout */
.rechner__grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(20px, 3vw, 40px); align-items: start; }
.rechner__inputs { display: grid; gap: 16px; }
.rechner__results { position: sticky; top: calc(var(--fi-header-h) + 20px); display: grid; gap: 18px; padding: clamp(20px, 2.4vw, 32px); background: #fff; border: 1px solid var(--fi-line); border-radius: var(--fi-radius-lg); box-shadow: var(--fi-shadow); }

.rechner__group { margin: 0; padding: 18px 22px 20px; border: 1px solid var(--fi-line); border-radius: var(--fi-radius-lg); background: #fff; }
.rechner__group legend,
.rechner__more summary {
	display: inline-flex; align-items: center; gap: 8px; padding: 0 6px; margin-left: -6px;
	color: var(--fi-bordeaux); font-size: .75rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase;
}
.rechner__more summary { cursor: pointer; list-style: none; padding: 0; margin: 0; }
.rechner__more summary::-webkit-details-marker { display: none; }
.rechner__more summary::after { content: "+"; margin-left: 6px; font-size: 1rem; }
.rechner__more[open] summary::after { content: "–"; }
.rechner__more[open] summary { margin-bottom: 8px; }
.rechner__group > .rf + .rf,
.rechner__group > .rf + .rf--check,
.rechner__group > .rf--check + .rf { margin-top: 16px; }

/* Eingabefeld mit Schieberegler */
.rf { display: grid; gap: 8px; margin: 0; border: 0; padding: 0; }
.rf[hidden] { display: none; }
.rf__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.rf__label { color: var(--fi-ink); font-size: .88rem; font-weight: 700; line-height: 1.35; }
.rf__input { position: relative; flex-shrink: 0; width: 150px; }
.rf__input input {
	width: 100%; height: 44px; padding: 0 34px 0 12px;
	border: 1px solid var(--fi-line); border-bottom: 2px solid var(--fi-line-strong); border-radius: var(--fi-radius) var(--fi-radius) 0 0;
	background: #fff; color: var(--fi-ink); font: inherit; font-size: 1rem; font-weight: 700; text-align: right; font-variant-numeric: tabular-nums;
	transition: border-color .2s, box-shadow .2s;
}
.rf__input input:focus { outline: none; border-bottom-color: var(--fi-bordeaux); box-shadow: 0 3px 0 -1px var(--fi-bordeaux); }
.rf__unit { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); color: var(--fi-muted); font-size: .85rem; font-weight: 600; pointer-events: none; }
.rf__help { margin: 0; color: var(--fi-muted); font-size: .78rem; line-height: 1.5; }
.rf--select { gap: 8px; }
.rf--select select { min-height: 46px; }
.rf--check { display: grid; gap: 12px; padding: 14px; border-radius: var(--fi-radius); background: var(--fi-surface); }
.rf--check[hidden] { display: none; }
.rf--check .rf { gap: 6px; }
.rf--chips .fi-chips { margin-top: 4px; }

.rf__range {
	--fill: 50%;
	width: 100%; height: 22px; margin: 0; background: transparent; cursor: pointer;
	-webkit-appearance: none; appearance: none;
}
.rf__range::-webkit-slider-runnable-track { height: 4px; border-radius: 2px; background: linear-gradient(to right, var(--fi-bordeaux) var(--fill), var(--fi-line) var(--fill)); }
.rf__range::-moz-range-track { height: 4px; border-radius: 2px; background: var(--fi-line); }
.rf__range::-moz-range-progress { height: 4px; border-radius: 2px; background: var(--fi-bordeaux); }
.rf__range::-webkit-slider-thumb {
	-webkit-appearance: none; width: 22px; height: 22px; margin-top: -9px;
	border: 2px solid var(--fi-bordeaux); border-radius: 50%; background: #fff; box-shadow: 0 2px 6px rgb(35 15 22 / 20%);
	transition: transform .15s;
}
.rf__range::-moz-range-thumb { width: 18px; height: 18px; border: 2px solid var(--fi-bordeaux); border-radius: 50%; background: #fff; box-shadow: 0 2px 6px rgb(35 15 22 / 20%); }
.rf__range:active::-webkit-slider-thumb { transform: scale(1.12); }

/* Ergebnis */
.rechner__hero {
	display: grid; gap: 4px; padding: 22px 24px 20px;
	background: var(--fi-bordeaux); color: #fff; border-radius: var(--fi-radius);
}
.rechner__hero-label { color: rgb(255 255 255 / 82%); font-size: .82rem; font-weight: 700; letter-spacing: .04em; }
.rechner__hero-value { color: #fff; font-family: var(--fi-sans); font-size: clamp(2.6rem, 2rem + 2.4vw, 3.5rem); font-weight: 800; line-height: 1.05; letter-spacing: -.02em; }
.rechner__hero-sub { color: rgb(255 255 255 / 80%); font-size: .86rem; line-height: 1.45; }

.rechner__breakdown { width: 100%; border-collapse: collapse; font-size: .92rem; }
.rechner__breakdown th { padding: 8px 0; color: var(--fi-text); font-weight: 600; text-align: left; }
.rechner__breakdown td { padding: 8px 0; color: var(--fi-ink); font-weight: 700; text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.rechner__breakdown tr { border-bottom: 1px solid var(--fi-line); }
.rechner__breakdown tr.is-sum th, .rechner__breakdown tr.is-sum td { color: var(--fi-ink); }
.rechner__breakdown tr.is-sum { border-top: 2px solid var(--fi-line-strong); }
.rechner__breakdown tr.is-tax th { color: var(--fi-bordeaux); }
.rechner__breakdown tr.is-total { border-bottom: 0; background: var(--fi-bordeaux-50); }
.rechner__breakdown tr.is-total th, .rechner__breakdown tr.is-total td { padding: 12px 10px; font-size: 1rem; font-weight: 800; color: var(--fi-bordeaux); }

.rechner__kpis { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--fi-line); border: 1px solid var(--fi-line); border-radius: var(--fi-radius); overflow: hidden; }
.rechner__kpis--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.kpi { display: grid; gap: 2px; padding: 14px 16px; background: #fff; }
.kpi span { color: var(--fi-muted); font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.kpi strong { color: var(--fi-ink); font-size: 1.15rem; font-weight: 800; }
.kpi small { color: var(--fi-muted); font-size: .74rem; }

.rechner__assumptions { margin: 4px 0 0; color: var(--fi-muted); font-size: .78rem; line-height: 1.5; }
.rechner__cta { display: grid; gap: 8px; justify-items: start; }
.rechner__cta-note { margin: 0; color: var(--fi-muted); font-size: .82rem; }
.rechner__tip { display: flex; gap: 10px; margin: 0; padding: 14px 16px; background: var(--fi-surface); border-radius: var(--fi-radius); color: var(--fi-text); font-size: .86rem; line-height: 1.55; }
.rechner__tip .fi-icon { color: var(--fi-bordeaux); margin-top: 2px; }
.rechner__disclaimer { margin: 22px 0 0; color: var(--fi-muted); font-size: .76rem; line-height: 1.6; max-width: 980px; }

/* Balkenliste (Kaufnebenkosten) */
.barlist { display: grid; gap: 14px; }
.barlist__row { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; align-items: baseline; }
.barlist__label { color: var(--fi-text); font-size: .9rem; font-weight: 600; }
.barlist__value { color: var(--fi-ink); font-size: .95rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.barlist__track { grid-column: 1 / -1; height: 8px; border-radius: 4px; background: var(--fi-surface); overflow: hidden; }
.barlist__bar { display: block; height: 100%; border-radius: 4px; background: var(--fi-bordeaux); transition: width .4s var(--fi-ease); }

/* Diagramm */
.rechner__chart { margin: 0; padding-top: 6px; border-top: 1px solid var(--fi-line); }
.rechner__chart figcaption { display: grid; gap: 2px; margin: 12px 0 10px; }
.rechner__chart-title { color: var(--fi-ink); font-size: 1rem; font-weight: 800; }
.rechner__chart-sub { color: var(--fi-muted); font-size: .84rem; line-height: 1.5; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 0 0 8px; padding: 0; list-style: none; color: var(--fi-text); font-size: .8rem; font-weight: 600; }
.chart-legend li { display: inline-flex; align-items: center; gap: 8px; }
.chart-legend__swatch { display: inline-block; width: 12px; height: 12px; border-radius: 3px; }
.chart-legend__swatch--a { background: var(--chart-a); }
.chart-legend__swatch--b { background: var(--chart-b); }
.chart-legend__swatch--band { background: rgb(94 18 36 / 14%); }
.chart-legend__line { display: inline-block; width: 16px; height: 2px; border-radius: 1px; }
.chart-legend__line--a { background: var(--chart-a); }
.chart-legend__line--b { background: var(--chart-b-line); }

.chart { position: relative; width: 100%; outline-offset: 4px; touch-action: pan-y; }
.chart__svg { display: block; width: 100%; height: auto; overflow: visible; font-family: var(--fi-sans); }
.chart__grid line { stroke: var(--chart-grid); stroke-width: 1; }
.chart__grid line.chart__baseline { stroke: var(--chart-axis); }
.chart__tick { fill: var(--fi-muted); font-size: 11px; font-weight: 600; font-variant-numeric: tabular-nums; }
.chart__bar.is-a { fill: var(--chart-a); }
.chart__bar.is-b { fill: var(--chart-b); }
.chart__col { transition: opacity .15s; }
.chart__col.is-dim { opacity: .4; }
.chart__line { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart__line.is-a { stroke: var(--chart-a); }
.chart__line.is-b { stroke: var(--chart-b-line); }
.chart__band { fill: var(--chart-a); opacity: .1; }
.chart__dot { stroke: #fff; stroke-width: 2; }
.chart__dot.is-a { fill: var(--chart-a); }
.chart__dot.is-b { fill: var(--chart-b-line); }
.chart__crosshair { stroke: var(--chart-b-line); stroke-width: 1; }
.chart__marker { stroke: var(--chart-b-line); stroke-width: 1; }
.chart__marker-label { fill: var(--fi-muted); font-size: 11px; font-weight: 700; }
.chart__endlabel { fill: var(--fi-ink); font-size: 12px; font-weight: 800; }

.chart-tip {
	position: absolute; z-index: 5; min-width: 200px; padding: 12px 14px;
	background: #fff; border: 1px solid var(--fi-line); border-radius: var(--fi-radius); box-shadow: var(--fi-shadow);
	pointer-events: none; font-size: .8rem;
}
.chart-tip[hidden] { display: none; }
.chart-tip__head { margin-bottom: 6px; color: var(--fi-muted); font-weight: 700; }
.chart-tip__row { display: grid; grid-template-columns: 14px auto 1fr; align-items: center; gap: 8px; line-height: 1.7; }
.chart-tip__row strong { color: var(--fi-ink); font-weight: 800; font-variant-numeric: tabular-nums; }
.chart-tip__row span { color: var(--fi-muted); }
.chart-tip__key { display: block; width: 14px; height: 2px; border-radius: 1px; }
.chart-tip__key.is-a { background: var(--chart-a); }
.chart-tip__key.is-b { background: var(--chart-b-line); }
.chart-tip__key.is-band { height: 10px; border-radius: 2px; background: rgb(94 18 36 / 18%); }
.chart-tip__key.is-none { background: transparent; }

.chart-table-toggle {
	display: inline-flex; align-items: center; gap: 8px; margin-top: 10px; padding: 6px 0;
	border: 0; background: none; color: var(--fi-bordeaux); font: inherit; font-size: .85rem; font-weight: 700; cursor: pointer;
}
.chart-table-toggle:hover { text-decoration: underline; }
.chart-table { margin-top: 10px; overflow-x: auto; }
.chart-table table { width: 100%; border-collapse: collapse; font-size: .8rem; font-variant-numeric: tabular-nums; }
.chart-table th, .chart-table td { padding: 7px 8px; border-bottom: 1px solid var(--fi-line); text-align: right; white-space: nowrap; }
.chart-table thead th { color: var(--fi-muted); font-weight: 700; background: var(--fi-surface); }
.chart-table tbody th { color: var(--fi-ink); text-align: left; }

/* Kompakt-Variante (Startseite) */
.rechner--kompakt { padding: clamp(22px, 3vw, 36px); background: #fff; border-radius: var(--fi-radius-lg); box-shadow: var(--fi-shadow-lg); }
.rechner--kompakt .rechner__grid { grid-template-columns: 1fr; gap: 22px; }
.rechner--kompakt .rechner__inputs { gap: 18px; }
.rechner--kompakt .rechner__results { position: static; padding: 0; border: 0; box-shadow: none; }

/* Objekt-Variante */
.rechner--objekt .rechner__results { top: calc(var(--fi-header-h) + 20px); }

.rechner.is-positive .rechner__hero { background: var(--fi-bordeaux-700); }

@media (max-width: 1100px) {
	.rechner__grid { grid-template-columns: 1fr; }
	.rechner__results { position: static; }
}

@media (max-width: 560px) {
	.rf__input { width: 132px; }
	.rechner__group { padding: 16px; }
	.rechner__hero { padding: 18px; }
	.rechner__kpis { grid-template-columns: 1fr 1fr; }
	.kpi { padding: 12px; }
	.kpi strong { font-size: 1rem; }
}