/* /var/www/html/assets/css/tool-common.css : 도구 페이지 공통 컴포넌트 스타일
   (배경 제거 · 이미지 리사이즈 · 이미지 분할에서 함께 사용하는 업로드 드롭존) */

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 180px;
  padding: 28px 20px;
  text-align: center;
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.dropzone:hover,
.dropzone.is-dragover {
  border-color: var(--text);
  background: rgba(255, 255, 255, 0.07);
}

.dropzone-icon {
  width: 44px;
  height: 44px;
  border: 2px solid currentColor;
  border-radius: 10px;
  position: relative;
  opacity: 0.85;
}

.dropzone-icon::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 22%;
  width: 3px;
  height: 46%;
  background: currentColor;
  transform: translateX(-50%);
}

.dropzone-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 22%;
  width: 16px;
  height: 16px;
  border-left: 3px solid currentColor;
  border-top: 3px solid currentColor;
  transform: translate(-50%, 0) rotate(45deg);
}

.dropzone-title {
  font-weight: 700;
  font-size: 1rem;
}

.dropzone-sub {
  font-size: 0.85rem;
  color: var(--muted);
}