/* ===== KwK Kursvielfalt Shortcode — v1.0 ===== */
/* Lifted from /kurstermine/ inline styles so the same grid renders identically
   when the shortcode is dropped on /kochkurse-events/ or any other page.
   Theme variables (--kwk-radius, --kwk-border, --kwk-gold-border, --kwk-dark2,
   --kwk-text-dim, --kwk-gold) come from the page-level theme; if a host page
   does not provide them, the fallbacks below kick in. */

/* Theme-variable fallbacks (only apply if vars are not already set) */
.kwk-kursarten-grid,
.kwk-kursart-popup,
.kwk-kursart-popup-btn {
  --kwk-radius-fallback: 12px;
  --kwk-radius-lg-fallback: 16px;
  --kwk-border-fallback: rgba(255,255,255,0.08);
  --kwk-gold-border-fallback: rgba(176,112,64,0.5);
  --kwk-dark2-fallback: #15110d;
  --kwk-text-dim-fallback: rgba(255,255,255,0.65);
  --kwk-gold-fallback: #B07040;
}

/* === Grid === */
.kwk-kursarten-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
}

.kwk-kursart-card {
  position: relative;
  border-radius: var(--kwk-radius, var(--kwk-radius-fallback));
  overflow: hidden;
  cursor: pointer;
  border: 1px solid var(--kwk-border, var(--kwk-border-fallback));
  transition: border-color 0.3s, transform 0.3s;
  aspect-ratio: 3/2;
}
.kwk-kursart-card:hover {
  border-color: var(--kwk-gold-border, var(--kwk-gold-border-fallback));
  transform: translateY(-3px);
}
.kwk-kursart-card img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s;
}
.kwk-kursart-card:hover img { transform: scale(1.05); }

.kwk-kursart-soon {
  opacity: 0.5;
  cursor: default;
  pointer-events: none;
  filter: grayscale(0.6);
}
.kwk-kursart-soon img { filter: blur(4px); }
.kwk-kursart-soon .kwk-kursart-name { color: rgba(255,255,255,0.5); }

.kwk-kursart-badge {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(0,0,0,0.5);
  color: rgba(255,255,255,0.6);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 8px;
  z-index: 2;
}

.kwk-kursart-name {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 12px;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  font-size: 13px;
  font-weight: 600;
  color: #fff;
}

/* === Popup === */
.kwk-kursart-popup-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.kwk-kursart-popup-overlay.kwk-open { opacity: 1; pointer-events: auto; }

.kwk-kursart-popup {
  background: var(--kwk-dark2, var(--kwk-dark2-fallback));
  border: 1px solid var(--kwk-border, var(--kwk-border-fallback));
  border-radius: var(--kwk-radius-lg, var(--kwk-radius-lg-fallback));
  max-width: 420px;
  width: 100%;
  overflow: hidden;
  position: relative;
  transform: translateY(20px) scale(0.96);
  transition: transform 0.35s cubic-bezier(0.22, 0.61, 0.36, 1);
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}
.kwk-kursart-popup-overlay.kwk-open .kwk-kursart-popup {
  transform: translateY(0) scale(1);
}

.kwk-kursart-popup-img-wrap { position: relative; overflow: hidden; }
.kwk-kursart-popup-img {
  width: 100%; height: 220px; object-fit: cover;
  display: block;
}
.kwk-kursart-popup-img-wrap::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 80px;
  background: linear-gradient(transparent, var(--kwk-dark2, var(--kwk-dark2-fallback)));
  pointer-events: none;
}

.kwk-kursart-popup-body { padding: 24px 24px 28px; }
.kwk-kursart-popup-title {
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  color: #fff;
  margin: 0 0 10px;
  line-height: 1.3;
}
.kwk-kursart-popup-desc {
  font-size: 14px;
  color: var(--kwk-text-dim, var(--kwk-text-dim-fallback));
  font-weight: 450;
  line-height: 1.8;
  margin: 0 0 24px;
}
.kwk-kursart-popup-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--kwk-gold, var(--kwk-gold-fallback)) 0%, #8D5A3B 100%);
  color: #fff;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.kwk-kursart-popup-btn::after {
  content: '';
  position: absolute;
  top: 0; left: -80%;
  width: 80%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.06), transparent);
  animation: kwkBtnShimmer 3.5s ease-in-out infinite;
}
@keyframes kwkBtnShimmer {
  0%, 100% { left: -80%; }
  50% { left: 200%; }
}
.kwk-kursart-popup-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.1);
  color: #fff;
  text-decoration: none;
}
.kwk-kursart-popup-close {
  position: absolute; top: 14px; right: 14px;
  background: rgba(0,0,0,0.45);
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.7);
  width: 34px; height: 34px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 0; z-index: 2;
  transition: all 0.2s;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.kwk-kursart-popup-close:hover { background: rgba(0,0,0,0.65); color: #fff; }

/* === A11y focus ring (keyboard nav) === */
.kwk-kursart-card:focus-visible {
  outline: 2px solid var(--kwk-gold, var(--kwk-gold-fallback));
  outline-offset: 3px;
  border-radius: 8px;
}

/* === Responsive === */
@media (max-width: 1024px) {
  .kwk-kursarten-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .kwk-kursarten-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; padding: 0 10px; }
}