/* Grafik Beitragsentwicklung PKV/GKV (Magazin). Wird nur auf Seiten
   geladen, die die Grafik einbinden. */
.bv {
  --bv-pkv: #1A1F1D;
  --bv-gkv: #A3A3A3;
  --bv-gkv-text: #767676;
  margin: 2.5rem 0;
  padding: 20px 20px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--white);
}
.bv-head {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 14px;
}
.bv-title {
  font-weight: 700;
  font-size: 17px;
  line-height: 1.35;
  color: var(--black);
}
.bv-sub {
  font-size: 13px;
  color: var(--grey);
}

.bv-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.bv-tab {
  font: 600 13px/1 var(--sans);
  padding: 9px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--white);
  color: var(--dark-grey);
  cursor: pointer;
}
.bv-tab[aria-selected="true"] {
  background: var(--bv-pkv);
  border-color: var(--bv-pkv);
  color: var(--white);
}
.bv-tab:focus-visible {
  outline: 2px solid var(--bv-pkv);
  outline-offset: 2px;
}

.bv-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin-bottom: 4px;
  font-size: 13px;
  color: var(--dark-grey);
}
.bv-key::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 3px;
  margin-right: 6px;
  border-radius: 2px;
  vertical-align: middle;
}
.bv-key--pkv::before { background: var(--bv-pkv); }
.bv-key--gkv::before { background: var(--bv-gkv); }

/* Ohne JavaScript bleibt nur die Tabelle sichtbar */
.bv:not(.is-ready) .bv-tabs,
.bv:not(.is-ready) .bv-legend,
.bv:not(.is-ready) .bv-canvas {
  display: none;
}

.bv-svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
  font-family: var(--sans);
}
.bv-grid { stroke: var(--border); stroke-width: 1; }
.bv-axis { fill: var(--grey); font-size: 11px; }

.bv-line {
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}
/* Laufende Jahreszahl im Hintergrund der Linienansicht */
.bv-year {
  font-size: 30px;
  font-weight: 700;
  fill: var(--border);
}
.bv-line--pkv { stroke: var(--bv-pkv); }
.bv-line--gkv { stroke: var(--bv-gkv); }
.bv-dot--pkv, .bv-bar--pkv { fill: var(--bv-pkv); }
.bv-dot--gkv, .bv-bar--gkv { fill: var(--bv-gkv); }
/* Weißer Rand, damit die Werte über Linien und Raster lesbar bleiben */
.bv-val {
  font-size: 12px;
  font-weight: 700;
  paint-order: stroke;
  stroke: var(--white);
  stroke-width: 3px;
  stroke-linejoin: round;
}
.bv-val--sm { font-size: 10px; }
.bv-val--pkv { fill: var(--bv-pkv); }
.bv-val--gkv { fill: var(--bv-gkv-text); }

.bv-fade {
  opacity: 0;
  transition: opacity .4s ease 1.3s;
}
.bv-bar {
  transform: scaleY(0);
  transform-box: fill-box;
  transform-origin: 50% 100%;
  transition: transform .6s cubic-bezier(.4, 0, .2, 1);
}
.bv-svg--bars .bv-fade { transition-delay: .9s; }
.bv-svg.is-on .bv-fade { opacity: 1; }
.bv-svg.is-on .bv-bar { transform: none; }
.bv-svg.no-anim .bv-fade,
.bv-svg.no-anim .bv-bar {
  transition: none;
}
@media (prefers-reduced-motion: reduce) {
  .bv-fade, .bv-bar { transition: none; }
}

.bv-data summary {
  padding: 10px 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
}
.bv-data .art-table-wrap { margin: 0 0 12px; }
/* Doppelte Klasse schlägt die Absatzregel von .art-body */
.bv .bv-source {
  margin: 8px 0 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--grey);
}

@media (max-width: 600px) {
  .bv { padding: 16px 14px 10px; }
  .bv-title { font-size: 16px; }
}