body {
  font-family: Arial, sans-serif;
  margin: 20px;
}

/* Two-column layout */
.layout {
  display: flex;
  gap: 20px;
}

/* Gallery grid */
.gallery {
  position: relative;
  flex: 2;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 10px;
  max-height: 100vh;   /* ← prevent runaway height */
  overflow-y: auto;    /* scroll if needed */
}

.item {
  border: 1px solid #ccc;
  padding: 5px;
  text-align: center;
  background: #f9f9f9;
}

.item img {
  max-width: 100px;
  max-height: 100px;
  cursor: pointer;
}

.glyph-label {
  color: #0056cc;
  text-decoration: underline;
  cursor: pointer;
  margin-top: 5px;
}

/* Metadata panel */
.details {
  flex: 1;
  border-left: 2px solid #333;
  padding-left: 15px;
}

#detail-image img {
  max-width: 100%;
  height: auto;
  display: block;
  margin-bottom: 10px;
  border: 1px solid #ccc;
  background: #fff;
  padding: 5px;
}

/* Version badge */
.version {
  position: fixed;
  top: 10px;
  right: 15px;
  background: #333;
  color: #fff;
  font-size: 14px;
  font-weight: bold;
  padding: 4px 8px;
  border-radius: 4px;
  z-index: 2000;
}

.detail-img {
  cursor: zoom-in;
}

#filter-bar {
  margin: 10px 0 5px 0;
  text-align: left;
}

#filter-input {
  width: 60%;
  max-width: 320px;
  padding: 6px 8px;
  font-size: 14px;
  border: 1px solid #bbb;
  border-radius: 4px;
  outline: none;
}

#filter-input:focus {
  border-color: #555;
}

.sticky-header {
  position: sticky;
  top: 0;
  background: white;
  z-index: 1000;
  padding: 0.5em;
  border-bottom: 1px solid #ccc;
}