/* ============================================================================
   Siedlerverein Einigkeit — Bildergalerie (Single-Album)
   Schlank, transparent — wird per iframe in ClubDesk eingebettet
   ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

:root {
  --color-fir-700: #2d5640;
  --color-fir-200: #c8dccf;
  --color-cream-50: #fbf8f1;
  --color-ink: #1a1d1a;
  --color-ink-soft: #4a4d49;

  --radius-sm: 4px;
  --radius-md: 10px;

  --shadow-sm: 0 1px 2px rgba(20,40,29,.08), 0 2px 4px rgba(20,40,29,.04);
  --shadow-md: 0 6px 16px rgba(20,40,29,.12), 0 2px 6px rgba(20,40,29,.06);

  --ease: cubic-bezier(.2,.7,.3,1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  /* Transparent damit ClubDesk-Hintergrund durchscheint */
  background: transparent;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--color-ink);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }


/* --- Galerie-Grid ---------------------------------------------------- */
.g-main {
  padding: clamp(0.5rem, 2vw, 1.5rem);
}

.g-empty {
  text-align: center;
  color: var(--color-ink-soft);
  padding: 3rem 1rem;
  font-style: italic;
}

.photo-grid {
  display: grid;
  gap: clamp(0.5rem, 1.2vw, 1rem);
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}

.photo-item {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: rgba(200, 220, 207, 0.2);
  border: 0;
  padding: 0;
  cursor: zoom-in;
  box-shadow: var(--shadow-sm);
  transition: transform 280ms var(--ease),
              box-shadow 280ms var(--ease);
}
.photo-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.photo-item:focus-visible {
  outline: 2px solid var(--color-fir-700);
  outline-offset: 3px;
}
.photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 480ms var(--ease);
}
.photo-item:hover img {
  transform: scale(1.06);
}


/* --- Lightbox -------------------------------------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(20, 40, 29, 0.96);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);

  display: flex;
  align-items: center;
  justify-content: center;

  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 280ms var(--ease), visibility 280ms var(--ease);
}
.lightbox.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.lb-stage {
  position: relative;
  width: min(96vw, 1400px);
  height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lb-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.lb-counter {
  position: absolute;
  bottom: -2.5rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-cream-50);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  opacity: 0.7;
}

.lb-close,
.lb-prev,
.lb-next {
  position: fixed;
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-cream-50);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-sm);
  width: 48px;
  height: 48px;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background 160ms ease, transform 160ms ease;
}
.lb-close:hover,
.lb-prev:hover,
.lb-next:hover {
  background: rgba(255, 255, 255, 0.25);
}

.lb-close { top: clamp(1rem, 2.5vw, 2rem); right: clamp(1rem, 3vw, 2rem); font-size: 1.75rem; }
.lb-prev  { top: 50%; left:  clamp(1rem, 2.5vw, 2rem); transform: translateY(-50%); font-size: 2rem; }
.lb-next  { top: 50%; right: clamp(1rem, 2.5vw, 2rem); transform: translateY(-50%); font-size: 2rem; }
.lb-prev:hover, .lb-next:hover { transform: translateY(-50%) scale(1.05); }


/* --- Mobile --------------------------------------------------------- */
@media (max-width: 720px) {
  .photo-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 0.4rem; }
  .lb-counter { font-size: 0.8rem; }
  .lb-close, .lb-prev, .lb-next { width: 42px; height: 42px; font-size: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}