/* ============================================
   GALLERY PAGE STYLES
   JCOM Premium Website
   ============================================ */

/* ============ GALLERY HERO ============ */
.gallery-hero {
  padding: calc(var(--navbar-height) + 4rem) 0 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.gallery-hero-title {
  font-size: var(--fs-4xl);
  font-weight: 900;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-md);
}

.gallery-hero-sub {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ============ CATEGORY FILTERS ============ */
.gallery-filters {
  padding: var(--space-xl) 0;
  position: sticky;
  top: var(--navbar-height);
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: var(--blur-lg);
  border-bottom: 1px solid var(--color-border-2);
}

.gallery-filter-tabs {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
}

.gallery-filter-tabs::-webkit-scrollbar { display: none; }

.filter-tab {
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: 600;
  font-family: var(--font-primary);
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border-2);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  flex-shrink: 0;
}

.filter-tab:hover {
  color: var(--color-text);
  border-color: rgba(212,175,55,0.2);
  background: var(--color-surface-2);
}

.filter-tab.active {
  background: var(--gradient-primary);
  color: var(--color-white);
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(212,175,55,0.25);
}

/* ============ GALLERY GRID ============ */
.gallery-section {
  padding: var(--space-2xl) 0 var(--space-4xl);
}

.gallery-grid {
  columns: 4 240px;
  column-gap: var(--space-md);
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: var(--space-md);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  background: var(--color-surface);
  border: 1px solid var(--color-border-2);
  transition: all var(--transition-spring);
  display: block;
}

.gallery-item:hover {
  transform: translateY(-4px);
  border-color: rgba(212,175,55,0.2);
  box-shadow: 0 12px 40px rgba(0,0,0,0.5), 0 0 30px rgba(212,175,55,0.1);
}

.gallery-item-inner {
  width: 100%;
  position: relative;
  overflow: hidden;
}

.gallery-item-img {
  width: 100%;
  display: block;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:hover .gallery-item-img {
  transform: scale(1.06);
}

.gallery-placeholder {
  width: 100%;
  background: linear-gradient(135deg,
    rgba(212,175,55,0.04) 0%,
    rgba(196,30,58,0.02) 100%
  );
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-2xl) var(--space-xl);
  min-height: 180px;
}

.gallery-placeholder-icon {
  font-size: 2.5rem;
  filter: drop-shadow(0 0 10px rgba(212,175,55,0.3));
}

.gallery-placeholder-label {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  text-align: center;
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(7, 11, 28,0.9) 0%,
    rgba(7, 11, 28,0.3) 50%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-item-title {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 4px;
}

.gallery-item-cat {
  font-size: var(--fs-xs);
  color: var(--color-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.gallery-zoom-icon {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 36px;
  height: 36px;
  background: rgba(0,0,0,0.6);
  backdrop-filter: var(--blur-sm);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--color-primary);
  opacity: 0;
  transform: scale(0.8);
  transition: all var(--transition-base);
}

.gallery-item:hover .gallery-zoom-icon {
  opacity: 1;
  transform: scale(1);
}

/* ============ LIGHTBOX ============ */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  backdrop-filter: var(--blur-xl);
  -webkit-backdrop-filter: var(--blur-xl);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.lightbox.open {
  opacity: 1;
  pointer-events: all;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  transform: scale(0.9);
  transition: transform var(--transition-spring);
}

.lightbox.open .lightbox-content {
  transform: scale(1);
}

.lightbox-image-wrap {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 32px 80px rgba(0,0,0,0.7), 0 0 60px rgba(212,175,55,0.1);
  max-width: 100%;
  max-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
}

.lightbox-image-wrap img {
  max-width: 85vw;
  max-height: 65vh;
  object-fit: contain;
  display: block;
}

.lightbox-placeholder {
  width: 500px;
  max-width: 80vw;
  height: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  background: linear-gradient(135deg, rgba(212,175,55,0.05), rgba(196,30,58,0.02));
  border-radius: var(--radius-xl);
}

.lightbox-placeholder-icon {
  font-size: 4rem;
}

.lightbox-meta {
  text-align: center;
}

.lightbox-title {
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.lightbox-cat {
  font-size: var(--fs-sm);
  color: var(--color-primary);
}

.lightbox-close {
  position: fixed;
  top: var(--space-xl);
  right: var(--space-xl);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border-2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--color-text-muted);
  transition: all var(--transition-base);
  z-index: 3001;
}

.lightbox-close:hover {
  background: rgba(255,80,80,0.1);
  border-color: rgba(255,80,80,0.3);
  color: #ff8080;
  transform: rotate(90deg);
}

.lightbox-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-surface);
  backdrop-filter: var(--blur-sm);
  border: 1px solid var(--color-border-2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--color-text-muted);
  transition: all var(--transition-base);
  z-index: 3001;
}

.lightbox-nav:hover {
  background: rgba(212,175,55,0.08);
  border-color: var(--color-border);
  color: var(--color-primary);
}

.lightbox-prev { left: var(--space-xl); }
.lightbox-next { right: var(--space-xl); }

.lightbox-counter {
  position: fixed;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  z-index: 3001;
}

/* ============ EMPTY GALLERY ============ */
.gallery-empty {
  text-align: center;
  padding: var(--space-4xl) var(--space-xl);
  color: var(--color-text-muted);
  font-size: var(--fs-md);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .gallery-grid {
    columns: 3 200px;
  }
}

@media (max-width: 768px) {
  .gallery-grid {
    columns: 2 160px;
  }

  .lightbox-nav {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .lightbox-prev { left: var(--space-sm); }
  .lightbox-next { right: var(--space-sm); }
}

@media (max-width: 480px) {
  .gallery-grid {
    columns: 1;
  }
}