/* Nút thêm ảnh mặc định */
.add-image-box {
    border: 2px solid #198720;
    border-radius: 8px;
    padding: 25px 0px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #198720;
    height: 50px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: calc(32% - 8px);
    aspect-ratio: 1 / 1;
    flex-direction: row;
}

.add-image-box:hover {
  border-color: #4CAF50;
  color: #4CAF50;
  background: #f9f9f9;
}

.add-image-box i {
  display: block;
  margin-bottom: 10px;
  font-size: 32px;
  color: inherit;
}

.add-image-box span {
  font-weight: 500;
  font-size: 16px;
}

/* Wrapper preview */
.image-upload-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

/* Layouts */
.image-full {
  width: 100%;
  position: relative;
}

.image-half {
  width: 48%;
  position: relative;
}

.image-grid {
  width: calc(32% - 8px);
  position: relative;
}

/* Ảnh */
.image-full img,
.image-half img,
.image-grid img {
  width: 100%;
  border-radius: 8px;
  object-fit: cover;
  height: auto;
}

/* Nút xoá */
.remove-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  border: none;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  font-size: 18px;
  cursor: pointer;
}