/* ===== Kurs Flow Chart – Modernes Card Design ===== */

/* Basis */
.kfc-chart-wrapper {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
                 "Segoe UI", sans-serif;
    margin: 2.5rem 0;
    overflow-x: auto;
    /* Padding damit Schlagschatten der Kacheln nicht abgeschnitten wird */
    padding: .75rem;
    color: #111827;
}

/* Filter-Bar */
.kfc-filter-bar {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.kfc-filter {
    padding: .35rem .9rem;
    border-radius: 999px;
    border: 1px solid #6B7280;
    background: #F9FAFB;
    font-size: .85rem;
    font-weight: 600;
    color: #4B5563;
    cursor: pointer;
    transition: all .18s ease-out;
}

.kfc-filter:hover {
    background: #E5E7EB;
}

.kfc-filter:focus-visible {
    outline: 3px solid #111827;
    outline-offset: 2px;
}

.kfc-filter.active {
    background: #111827;
    color: #F9FAFB;
    border-color: #111827;
}

/* Chart-Grid – einheitliches CSS Grid (colspan/rowspan via grid-column/grid-row span) */
.kfc-chart {
    display: grid;
    grid-template-columns: 130px repeat(var(--kfc-cols, 3), minmax(150px, 1fr));
    grid-auto-rows: auto;
    column-gap: 4rem;
    row-gap: 0;  /* 0: display:none lässt keine Gaps zurück; Abstand via margin-bottom */
    width: 100%;
    position: relative;
    align-items: start;
}

/* Extra Abstand zwischen Altersgruppen: Row-Label hat unten mehr Padding */
.kfc-row-label {
    grid-column: 1;
    padding: .5rem .6rem 2rem;
    font-size: .78rem;
    display: flex;
    align-items: flex-start;
    margin-bottom: 0; /* label spannt über sub-rows, Abstand via padding-bottom */
}

.kfc-row-label.kfc-hidden {
    display: none;
}



/* Spacer oben links */
.kfc-grid-spacer {
    grid-column: 1;
    grid-row: 1;
}

/* Spalten-Header */
.kfc-col-header {
    text-align: left;
    font-weight: 700;
    font-size: .95rem;
    padding-bottom: .4rem;
    color: #4B5563;
    border-bottom: 2px solid #E5E7EB;
    align-self: end;
    margin-bottom: 1em;
}

/* Kacheln: rowspan streckt sich über mehrere Zeilen */
.kfc-card.kfc-rowspan {
    align-self: stretch;
}

/* Horizontale Kachelgruppe: mehrere Kacheln in der gleichen Zelle nebeneinander */
.kfc-cell-group {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: start;
    margin-bottom: 1.5rem;
}
.kfc-cell-group.kfc-rowspan {
    align-self: stretch;
}
.kfc-cell-group .kfc-card {
    flex: 1 1 150px;
    min-width: 150px;
    margin-bottom: 0; /* Abstand übernimmt der Wrapper */
}

/* SVG-Pfeil-Overlay */
.kfc-arrows-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: visible;
    z-index: 10;
}

/* Text-Pfeil nur auf Mobile zeigen (SVG-Pfeile übernehmen auf Desktop) */
@media (min-width: 769px) {
    .kfc-card-next {
        display: none;
    }
}

/* Card: kompakt, klare Struktur */
.kfc-card {
    --kfc-card-color: #E5E7EB;
    border-radius: 12px;
    padding: 1rem 1.2rem 1.1rem;
    background: color-mix(in srgb, var(--kfc-card-color) 92%, #ffffff 8%);
    box-shadow: 0 1px 4px rgba(15,23,42,.08);
    display: flex;
    flex-direction: column;
    gap: .35rem;
    position: relative;
    overflow: hidden;
    align-self: start;
    margin-bottom: 1.5rem; /* Sub-Row-Abstand; bei display:none verschwindet der Margin */
    justify-content: center;
    transition: opacity .25s ease, transform .2s ease, box-shadow .2s ease;
}

/* Hover-Effekt */
.kfc-card:hover,
.kfc-card.kfc-highlighted {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(15, 23, 42, .13);
}

/* Fokus-Indikator für Kachel-Links (Tastaturnavigation) */
.kfc-card-link:focus-visible {
    outline: 3px solid #111827;
    outline-offset: 3px;
    border-radius: 12px;
}

.kfc-card.kfc-dimmed {
    opacity: .32;
}

/* Link als Block – umfassendes Reset gegen Theme-Interferenz */
.kfc-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
    padding: 0;
    margin: 0;
    border: none;
    background: none;
    line-height: inherit;
    font-size: inherit;
    font-weight: inherit;
    letter-spacing: inherit;
}
a.kfc-card-link::before,
a.kfc-card-link::after {
    content: none !important;
}

/* Inhalt */
.kfc-card-inner {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: .35rem;
}

/* Kopfzeile: Icon + Titel + Pfeil in einer Reihe */
.kfc-card-top {
    display: flex;
    align-items: baseline;
    gap: .3rem;
}

.kfc-card-title {
    font-size: .85rem;
    font-weight: 800;
    margin: 0;
    flex: 1;
    line-height: 1.25;
}

.kfc-card-next {
    font-size: .72rem;
    flex-shrink: 0;
    opacity: .7;
    margin-left: auto;
}

.kfc-card-subtitle {
    font-size: .68rem;
    font-weight: 600;
    opacity: .75;
    margin: 0;
    padding: 0;
    background: none;
}

/* Badge für Einheiten */
.kfc-badge {
    display: inline-block;
    padding: .12rem .45rem;
    border-radius: 999px;
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .01em;
    background: rgba(0,0,0,.14);
    margin: .1rem 0 .05rem;
    width: fit-content;
}

.kfc-card-desc {
    font-size: .7rem;
    line-height: 1.3;
    opacity: .85;
    margin-top: .05rem;
}

/* Textfarbe abhängig von Helligkeit der Hintergrundfarbe */
.kfc-light-text .kfc-card-title,
.kfc-light-text .kfc-card-subtitle,
.kfc-light-text .kfc-card-desc,
.kfc-light-text .kfc-card-next,
.kfc-light-text .kfc-card-icon {
    color: #F9FAFB;
}

.kfc-light-text .kfc-badge {
    background: rgba(255,255,255,.25);
    color: #F9FAFB;
}

.kfc-dark-text .kfc-card-title,
.kfc-dark-text .kfc-card-subtitle,
.kfc-dark-text .kfc-card-desc,
.kfc-dark-text .kfc-card-next,
.kfc-dark-text .kfc-card-icon {
    color: #111827;
}

.kfc-dark-text .kfc-badge {
    background: rgba(0,0,0,.14);
    color: #111827;
}

/* Responsive */
@media (max-width: 768px) {
    .kfc-chart-wrapper {
        padding-right: 5rem;
    }
    .kfc-chart {
        min-width: unset;
        grid-template-columns: 1fr;
        display: block;
    }
    .kfc-grid-spacer,
    .kfc-col-header {
        display: none;
    }
    /* Row-Label wird auf Mobile zur Sektions-Überschrift –
       die flache DOM-Reihenfolge (label → kacheln) ergibt die gewünschte Struktur */
    .kfc-row-label {
        font-weight: 700;
        font-size: 1rem;
        border-top: 2px solid #E5E7EB;
        padding-top: .75rem;
        margin-top: 1.5rem;
        margin-bottom: .75rem;
        /* grid-Positionierung auf Mobile ignorieren */
        grid-column: unset !important;
        grid-row: unset !important;
    }
    .kfc-row-label:first-of-type {
        margin-top: 0;
        border-top: none;
    }
    .kfc-card {
        max-width: 70vw;
        width: 70vw;
        box-sizing: border-box;
        margin-bottom: 2rem;
        align-self: stretch;
    }
    .kfc-cell-group {
        flex-direction: column;
        gap: .75rem;
        margin-bottom: 2rem;
    }
    .kfc-cell-group .kfc-card {
        align-self: stretch;
        width: 100%;
        min-width: 0;
        margin-bottom: 0;
        flex-basis: auto;
    }
}

/* Barrierefreiheit: Animationen deaktivieren wenn Nutzer das bevorzugt */
@media (prefers-reduced-motion: reduce) {
    .kfc-card,
    .kfc-filter {
        transition: none !important;
    }
    .kfc-card:hover,
    .kfc-card.kfc-highlighted {
        transform: none;
    }
}