/* ── GALLERY ── */
:root {
    --bg: #0e0e0f;
    --surface: #161618;
    --panel: #1d1d20;
    --border: #2a2a2e;
    --accent: #e8ff47;
    --accent2: #ff6b35;
   /*  --text: #f0f0f0; */
    --muted: #666;
    --folder-colors: #e8ff47, #ff6b35, #5ee7ff, #c084fc, #4ade80, #fb923c;
  }

#gallery1 { background: var(--white); }

.gallery-grid1 {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.75rem;
  
}
.gallery-item1 {
  aspect-ratio: 1;
  /* background: var(--light); */
  border-radius: 2px;
  overflow: hidden; position: relative; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}

.gallery-item1:first-child { grid-column: span 6; aspect-ratio: 2/1; 
    
}
.gallery-item1:nth-child(2) { grid-column: span 6;  aspect-ratio: 5/1; 
    overflow-x: auto;}

.gallery-item-inner1 {
    
  width: 100%; height: 100%;
  /* background: linear-gradient(135deg, var(--light), #D9C7A8); */
 
  gap: 0.5rem; padding: 1rem; text-align: center;
  font-family: 'Noto Serif TC', serif; color: var(--red); opacity: 1;
  transition: opacity 0.3s;
  overflow-x: auto;
 
}
.gallery-item1:hover .gallery-item-inner { opacity: 0.8; }
.gallery-item-inner1 span { font-size: 2.5rem; }
.gallery-item-inner1 small { font-size: 0.65rem; letter-spacing: 0.08em; }

.gallery-overlay1 {
  position: absolute; inset: 0;
  background: rgba(192,57,43,0.7);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase;
  /** opacity: 0; transition: opacity 0.25s; */
}
.gallery-item1:hover .gallery-overlay { opacity: 1; }

.gallery-item-inner-folder
{
    display: grid;
    grid-gap: 15px;
    grid-auto-flow:column;
    grid-auto-columns: 250px;
    overflow-x: auto; 
    overflow-y: hidden; 
    height: 100%;
    
}

.gallery-item-inner-folder-child{

    background: #222;
   
}


.gallery-item-inner-folder-child::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--folder-accent, var(--accent));
    opacity: 0;
    transition: opacity 0.2s;
  }

  .gallery-item-inner-folder-child::before { opacity: 0.06; }
  .gallery-item-inner-folder-child { border-color: var(--folder-accent, var(--accent)); transform: translateY(-3px); }

  .viewer-img.visible {
    display: block;
    opacity: 1;
    transform: scale(1);
  }

    /* nav arrows */
    .nav-btn {
        
        transform: translateY(-50%);
        width: 42px; height: 42px;
        /*
        background: rgba(14,14,15,0.8);
        */
       
        border: 1px solid var(--border);
        
        border-radius: 50%;
        display: flex; align-items: center; justify-content: center;
        color: var(--text);
        
        transition: background 0.2s, border-color 0.2s, transform 0.15s;
               
      }
    
      .nav-btn:hover { background: var(--accent); color: #000; border-color: var(--accent); }
      
      .nav-btn:active { transform: translateY(-50%) scale(0.93); }
   
      


  /* ── VIEWER ── */
  .viewer {
    flex: 1;
    position: relative;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
  }

  .viewer-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 4px;
    opacity: 0;
    transform: scale(0.97);
    transition: opacity 0.35s ease, transform 0.35s ease;
    display: none;
  }

  .viewer-img.visible {
    display: block;
    opacity: 1;
    transform: scale(1);
  }

 .sponsorframe{
   
 
  width: 80%;
  height: 80%;
  display: flex; align-items: center; justify-content: center;
  border-radius: 3px;
  transform: scale(0.97);
  transition: opacity 0.35s ease, transform 0.35s ease;
  padding: 5px;
    border: 10px solid #fff;
    background-color: linear-gradient(135deg, #8B2319 0%, #C0392B 40%, #D4A017 100%);
    transform: all .8s;
  
 }

 .sponsorimagediv{

  display: flex; align-items: center; justify-content: center;
  object-fit: contain;
  
  
  width: 100%;
  height: 100%;
  
  
}

.sponsorimagediv img
{
  width: 100%;
  object-fit: contain;
  

}
.sponsorscrollbtndiv{

  display: flex; align-items: center; justify-content: space-between;
  width: 40%;
  margin-top: 10px;
  z-index: 2000;
 
}
  /* ── RESPONSIVE ── */
  @media (max-width: 900px) {
    
    .sponsorscrollbtndiv{

      display: flex; align-items: center; justify-content: right;
      width: 40%;
    }
  }