/* PN-MERKEN — Merken-Knopf fuer Kampagnen und Angebote (static/js/pn-merken.js).
 * Ein Knopf, zwei Groessen: mit Text (Crowdfunding-Karte, Profil) oder als
 * runder Symbolknopf (Angebotskarte). Zustand ausschliesslich ueber
 * aria-pressed, Mindestgroesse 44px (WCAG 2.5.5). */
.pn-merken {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  min-height: 44px; min-width: 44px; padding: 0 0.9rem;
  background: var(--card, #fff); color: var(--bsn, #2a333f);
  border: 1px solid var(--border, #E5E7EB); border-radius: 999px;
  font: inherit; font-size: 0.875rem; font-weight: 600; line-height: 1;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.pn-merken svg { width: 18px; height: 18px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 2; }
.pn-merken:hover { border-color: var(--bsn, #2a333f); }
.pn-merken:focus-visible { outline: 2px solid var(--accent, #FF6D02); outline-offset: 2px; }
.pn-merken[aria-pressed="true"] { background: #FFF4EB; border-color: var(--accent, #FF6D02); color: #B24A00; }
.pn-merken[aria-pressed="true"] svg { fill: currentColor; }
.pn-merken--rund { width: 44px; padding: 0; border-radius: 50%; }
.pn-merken[data-busy="1"] { opacity: 0.7; cursor: progress; }

.pn-merken-toast {
  position: fixed; left: 50%; bottom: calc(1rem + env(safe-area-inset-bottom, 0px)); z-index: 1000;
  max-width: min(92vw, 28rem); padding: 0.75rem 1rem;
  background: var(--bsn, #2a333f); color: #fff; border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  font-size: 0.9rem; line-height: 1.4;
  transform: translate(-50%, 150%); opacity: 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.pn-merken-toast.is-sichtbar { transform: translate(-50%, 0); opacity: 1; }
.pn-merken-toast a { color: #FFB27A; font-weight: 700; text-decoration: underline; }

@media (prefers-reduced-motion: reduce) {
  .pn-merken, .pn-merken-toast { transition: none; }
}