/* ===== gallery: retro image viewer ===== */

.gallery-container {
  margin-top: 14px;
}

.category-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 12px;
  border-bottom: 2px solid #808080;
  padding-bottom: 6px;
}

.tab-btn {
  background: #c0c0c0;
  border: 2px solid;
  border-color: #ffffff #404040 #404040 #ffffff;
  padding: 3px 10px;
  font-family: monospace;
  font-size: 11px;
  font-weight: bold;
  cursor: pointer;
}

.tab-btn.active {
  background: #dfdfdf;
  border-color: #404040 #ffffff #ffffff #404040;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 14px;
}

.viewer-box {
  background: #000;
  border: 2px inset #dfdfdf;
  padding: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 260px;
  position: relative;
  overflow: hidden;
}

.viewer-box img {
  max-width: 100%;
  max-height: 240px;
  object-fit: contain;
  transition: transform 0.2s ease;
}

.viewer-toolbar {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  justify-content: center;
  background: #c0c0c0;
  padding: 4px;
  border: 1px solid #808080;
}

.viewer-btn {
  background: #c0c0c0;
  border: 2px solid;
  border-color: #ffffff #404040 #404040 #ffffff;
  padding: 2px 8px;
  font-family: monospace;
  font-size: 11px;
  font-weight: bold;
  cursor: pointer;
}

.viewer-btn:active {
  border-color: #404040 #ffffff #ffffff #404040;
}

.meta-panel {
  background: #fdfbf7;
  border: 2px inset #999;
  padding: 10px;
  font-family: monospace;
  font-size: 11px;
  color: #1a1a1a;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.meta-panel h3 {
  margin: 0 0 4px 0;
  font-size: 13px;
  border-bottom: 1px solid #aaa;
  padding-bottom: 4px;
  color: #000080;
}

.thumb-section {
  margin-top: 16px;
  background: #d8d8d8;
  border: 2px inset #fff;
  padding: 10px;
}

.thumb-title {
  font-family: monospace;
  font-size: 11px;
  font-weight: bold;
  margin-bottom: 8px;
  color: #333;
}

.thumb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
  gap: 10px;
}

.thumb-item {
  width: 70px;
  height: 70px;
  border: 2px solid;
  border-color: #ffffff #808080 #808080 #ffffff;
  cursor: pointer;
  object-fit: cover;
  background: #000;
}

.thumb-item.active,
.thumb-item:hover {
  border-color: #000080;
  outline: 2px solid #000080;
}

@media (max-width: 600px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}