body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #f7f7f7;
  color: #222;
}

/* Buttons */
.group-btn {
  padding: 0.5rem 1rem;
  border: none;
  background: #3498db;
  color: #fff;
  border-radius: 4px;
  cursor: pointer;
  font-weight: bold;
  transition: background 0.3s ease;
}
.group-btn.active {
  background: #2c3e50;
}
.group-btn:hover {
  background: #2980b9;
}

/* Gallery Grid */
#gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  padding: 1rem;
}
.card {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: transform 0.2s;
}
.card:hover {
  transform: scale(1.02);
}
.card .media {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background: #fff;
}

/* Upload Modal */
#uploadModal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 2000;
  justify-content: center;
  align-items: center;
}
#uploadModal.active {
  display: flex;
}
.modal-content {
  background: #fff;
  border-radius: 8px;
  padding: 1.5rem;
  width: 90%;
  max-width: 500px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}
.dropzone {
  border: 2px dashed #bbb;
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  color: #888;
  margin-bottom: 1rem;
  cursor: pointer;
}
.dropzone.hover {
  border-color: #2ecc71;
  color: #2ecc71;
}

/* Preview Grid */
#previewGrid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 1rem;
}
.preview {
  position: relative;
  width: 80px;
  height: 80px;
  border: 1px solid #ccc;
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.preview img {
  max-width: 100%;
  max-height: 100%;
}
.preview button {
  position: absolute;
  top: 2px;
  right: 2px;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: 12px;
  padding: 2px 4px;
  cursor: pointer;
}
.rotate-btn {
  bottom: 2px;
  left: 2px;
  top: auto;
  right: auto;
}

/* Toast */
#toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 3000;
}
#toast.show {
  opacity: 1;
}

.card {
  position: relative;
}

.card .overlay {
  position: absolute;
  bottom: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  padding: 0.4rem 0.6rem;
  font-size: 0.85rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover .overlay {
  opacity: 1;
}

.overlay .tags {
  font-size: 0.75rem;
  color: #ccc;
  margin-top: 0.25rem;
}

.editable-title {
  font-size: 1.25rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
  cursor: pointer;
}

.editable-title input {
  font-size: 1.25rem;
  width: 100%;
}