/**
 * upload.css
 * Premium Minimal Upload Component
 */

/* ============================================
   파일 업로드 영역 — Clean Minimal Border
   ============================================ */

.upload-section,
.upload {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  width: 100%;
  min-height: 280px;
  padding: var(--upload-padding);

  background: var(--upload-bg);
  border: var(--upload-border-width) var(--upload-border-style) var(--upload-border-color);
  border-radius: var(--upload-border-radius);

  cursor: pointer;
  overflow: hidden;
  transition: all var(--transition-base) var(--ease-out);
}

/* Hover */
.upload-section:hover,
.upload:hover {
  border-color: var(--upload-hover-border);
  background: var(--upload-hover-bg);
}

/* Active State (Drag Over) */
.upload-section.upload--active,
.upload.upload--active {
  border-color: var(--color-primary);
  background: rgba(201, 169, 110, 0.05);
  box-shadow: inset 0 0 0 1px var(--color-primary);
}

/* Disabled */
.upload-section.upload--disabled,
.upload.upload--disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}


/* ============================================
   업로드 아이콘
   ============================================ */

.upload__icon {
  font-size: 2.5rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  transition: all var(--transition-base) var(--ease-out);
}

.upload:hover .upload__icon {
  color: var(--color-primary);
  transform: translateY(-4px);
}


/* ============================================
   업로드 텍스트
   ============================================ */

.upload__text {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
  text-align: center;
}

.upload__subtext {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-align: center;
}

.upload__formats {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--spacing-md);
  padding: 6px 16px;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-full);
}

.upload__formats i {
  color: var(--color-primary);
  font-size: 0.9em;
}


/* ============================================
   이미지 프리뷰
   ============================================ */

.preview-container,
.preview {
  width: 100%;
  animation: section-reveal 0.6s var(--ease-out);
}

.preview__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
  opacity: 0;
  transition: opacity var(--transition-base) var(--ease-out);
}

.preview__image--visible {
  opacity: 1;
}


/* ============================================
   반응형
   ============================================ */

@media (max-width: 768px) {

  .upload-section,
  .upload {
    min-height: 200px;
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .upload__icon {
    font-size: 2rem;
  }

  .upload__text {
    font-size: var(--font-size-base);
  }
}


/* ============================================
   프린트 스타일
   ============================================ */

@media print {

  .upload-section,
  .upload {
    display: none;
  }
}