body {
  font-family: sans-serif;
  margin: 0;
  padding: 0;
  background: #fafafa;
}

header {
  padding: 10px 15px;
  background: #333;
  color: white;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px;
  padding: 10px;
}

.thumb {
  cursor: pointer;
  overflow: hidden;
  border-radius: 4px;
  border: 1px solid #ddd;
  background: white;
}

.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal.open {
  display: flex;
}

.modal-content {
  max-width: 90vw;
  max-height: 90vh;
  position: relative;
}

.modal-content img {
  max-width: 100%;
  max-height: 100%;
  display: block;
}

.modal-close {
  position: absolute;
  top: -10px;
  right: -10px;
  background: #fff;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-weight: bold;
  border: 1px solid #ccc;
}

/* Info Button */
.modal-info-btn {
  position: absolute;
  bottom: -10px;
  right: 40px;
  background: #fff;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1px solid #ccc;
  font-size: 16px;
  z-index: 1500;
}

/* Info Panel */
.info-panel {
  position: fixed;
  top: 0;
  right: -320px;
  width: 320px;
  height: 100%;
  background: #fff;
  padding: 16px;
  box-shadow: -2px 0 6px rgba(0,0,0,0.25);
  transition: right 0.3s ease;
  overflow-y: auto;
  z-index: 2000;
}

.info-panel.open {
  right: 0;
}

.info-panel h3 {
  margin-top: 0;
}

.info-row {
  margin-bottom: 10px;
}

.info-row b {
  display: inline-block;
  width: 110px;
}