/*
 * Lotus — Gallery & Popup CSS
 */

/* ── Filter tabs ── */
.lotus-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 44px;
}
.lotus-filter-btn {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 9px 22px;
  background: transparent;
  border: 1px solid var(--lotus-border-mid);
  color: var(--lotus-taupe);
  cursor: pointer;
  transition: var(--trans);
  border-radius: 0;
}
.lotus-filter-btn:hover { border-color: var(--lotus-gold); color: var(--lotus-brown); }
.lotus-filter-btn.active {
  background: var(--lotus-espresso);
  border-color: var(--lotus-espresso);
  color: var(--lotus-gold-light);
}

/* ── Gallery grid ── */
.lotus-gallery-grid {
  display: grid;
  gap: 3px;
}
.lotus-cols-2 { grid-template-columns: repeat(2, 1fr); }
.lotus-cols-3 { grid-template-columns: repeat(3, 1fr); }
.lotus-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* ── Gallery item ── */
.lotus-gallery-item {
  aspect-ratio: 4/5;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  background: var(--lotus-champagne);
}
.lotus-gallery-item-inner { width: 100%; height: 100%; position: relative; }
.lotus-gallery-item img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4,0,0.2,1);
  display: block;
}
.lotus-gallery-item:hover img { transform: scale(1.06); }

.lotus-gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15,8,3,0);
  display: flex;
  align-items: flex-end;
  padding: 24px;
  transition: background 0.35s ease;
}
.lotus-gallery-item:hover .lotus-gallery-item-overlay {
  background: rgba(15,8,3,0.55);
}
.lotus-gallery-item-meta {
  transform: translateY(16px);
  opacity: 0;
  transition: all 0.35s ease;
}
.lotus-gallery-item:hover .lotus-gallery-item-meta {
  transform: translateY(0);
  opacity: 1;
}
.lotus-gallery-item-cat {
  display: block;
  font-size: 10px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--lotus-gold-light);
  margin-bottom: 6px;
}
.lotus-gallery-item-title {
  font-family: var(--font-display);
  font-size: 20px;
  color: #FAF8F3;
  margin: 0 0 14px;
}
.lotus-gallery-item-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--lotus-gold-light);
  background: transparent;
  border: 1px solid rgba(196,163,90,0.5);
  padding: 8px 18px;
  cursor: pointer;
  transition: var(--trans);
}
.lotus-gallery-item-btn:hover {
  background: var(--lotus-gold);
  border-color: var(--lotus-gold);
  color: var(--lotus-espresso);
}

/* Hidden (filtered out) */
.lotus-gallery-item.is-hidden { display: none; }

/* ── POPUP ── */
#lotus-popup {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
#lotus-popup[hidden] { display: none; }

#lotus-popup-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10,5,2,0.88);
  backdrop-filter: blur(6px);
  cursor: pointer;
}

#lotus-popup-container {
  position: relative;
  background: var(--lotus-ivory);
  max-width: 1060px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 40px 100px rgba(10,5,2,0.6);
  animation: popupIn 0.35s cubic-bezier(0.4,0,0.2,1);
}
@keyframes popupIn {
  from { opacity: 0; transform: scale(0.96) translateY(16px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

#lotus-popup-close {
  position: absolute;
  top: 16px; right: 16px;
  z-index: 10;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--lotus-border-mid);
  background: var(--lotus-ivory);
  color: var(--lotus-brown);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: var(--trans);
}
#lotus-popup-close:hover { background: var(--lotus-espresso); color: var(--lotus-gold); border-color: var(--lotus-espresso); }

/* Between-item arrows */
#lotus-popup-prev,
#lotus-popup-next {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  z-index: 10;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(250,248,243,0.3);
  background: rgba(10,5,2,0.5);
  color: rgba(250,248,243,0.8);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: var(--trans);
  padding: 0;
}
#lotus-popup-prev { left: 12px; }
#lotus-popup-next { right: 12px; }
#lotus-popup-prev:hover, #lotus-popup-next:hover {
  background: var(--lotus-gold);
  color: var(--lotus-espresso);
  border-color: var(--lotus-gold);
}

#lotus-popup-inner {
  display: flex;
  flex: 1;
  overflow: hidden;
  max-height: 90vh;
}

/* Gallery col (left) */
#lotus-popup-gallery {
  flex: 0 0 60%;
  display: flex;
  flex-direction: column;
  background: #0F0804;
}

#lotus-popup-main-img-wrap {
  flex: 1;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
}
#lotus-popup-main-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  padding: 16px;
  transition: opacity 0.2s;
}

#lotus-popup-thumbs {
  display: flex;
  gap: 3px;
  padding: 8px;
  background: #080503;
  overflow-x: auto;
  flex-shrink: 0;
}
.lotus-popup-thumb {
  flex: 0 0 58px;
  height: 44px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  opacity: 0.6;
  transition: var(--trans);
}
.lotus-popup-thumb img { width: 100%; height: 100%; object-fit: cover; }
.lotus-popup-thumb.active { border-color: var(--lotus-gold); opacity: 1; }
.lotus-popup-thumb:hover { opacity: 0.85; }

/* Info col (right) */
#lotus-popup-info {
  flex: 0 0 40%;
  padding: 40px 36px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--lotus-ivory);
}

#lotus-popup-cat {
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--lotus-gold);
  font-weight: 500;
  display: block;
}
#lotus-popup-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 400;
  color: var(--lotus-espresso);
  margin: 0;
  line-height: 1.2;
}
#lotus-popup-title::after {
  content: '';
  display: block;
  width: 36px;
  height: 1px;
  background: var(--lotus-gold);
  margin-top: 14px;
}
#lotus-popup-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--lotus-taupe);
}
#lotus-popup-details {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 20px;
  padding: 16px;
  background: var(--lotus-cream);
  border: 1px solid var(--lotus-border);
  margin: 0;
}
#lotus-popup-details dt {
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--lotus-gold-dark);
  font-weight: 500;
  white-space: nowrap;
}
#lotus-popup-details dd {
  font-size: 13px;
  color: var(--lotus-brown);
  margin: 0;
}

#lotus-popup-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
}

#lotus-popup-spinner {
  position: absolute;
  inset: 0;
  background: rgba(250,248,243,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
#lotus-popup-spinner.loading { opacity: 1; pointer-events: all; }

.lotus-spinner-ring {
  width: 36px; height: 36px;
  border: 2px solid var(--lotus-champagne);
  border-top-color: var(--lotus-gold);
  border-radius: 50%;
  animation: lotusSpin 0.7s linear infinite;
}
@keyframes lotusSpin { to { transform: rotate(360deg); } }

/* ── Responsive gallery ── */
@media (max-width: 1024px) {
  .lotus-cols-4 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .lotus-cols-3, .lotus-cols-4 { grid-template-columns: repeat(2, 1fr); }
  #lotus-popup-inner { flex-direction: column; max-height: none; overflow-y: auto; }
  #lotus-popup-gallery { flex: none; height: 55vw; min-height: 220px; }
  #lotus-popup-info { flex: none; padding: 22px 18px; }
  #lotus-popup-container { max-height: 92vh; overflow-y: auto; }
}
@media (max-width: 480px) {
  .lotus-cols-2, .lotus-cols-3, .lotus-cols-4 { grid-template-columns: 1fr; }
  #lotus-popup { padding: 0; align-items: flex-end; }
  #lotus-popup-container { max-height: 95vh; }
  #lotus-popup-details { grid-template-columns: 1fr; }
}