/* ===== ERP UPLOAD / FILE PREVIEW STANDARDIZATION ===== */

.image-preview-list {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding-bottom: var(--space-1);
  scroll-snap-type: x proximity;
}

.image-preview-item {
  flex: 0 0 140px;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-ui);
  background: #fff;
  overflow: hidden;
  scroll-snap-align: start;
}

.image-preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--height-sm);
  padding: 0 var(--space-2) 0 10px;
  border-bottom: 1px solid #e5e7eb;
  background: #f8fafc;
  gap: var(--space-2);
}

.image-preview-label {
  display: flex;
  align-items: center;
  min-height: var(--height-sm);
  font-size: var(--font-size-base);
  color: #475569;
}

.image-preview-remove,
.image-preview-action {
  border: 0;
  background: transparent;
  padding: 0;
  font-size: var(--font-size-sm);
  color: #6b7280;
  cursor: pointer;
}

.image-preview-remove:hover,
.image-preview-action:hover {
  color: #111827;
}

.image-preview-meta,
.image-preview-empty {
  display: flex;
  align-items: center;
  min-height: var(--height-sm);
  padding: 0 10px;
  border-top: 1px solid #e5e7eb;
  font-size: var(--font-size-sm);
  color: #6b7280;
  background: #fff;
}

.image-preview-empty {
  flex: 1 1 100%;
  min-height: 92px;
  justify-content: center;
  border: 1px dashed #d1d5db;
  border-radius: var(--radius-ui, 8px);
  background: #f8fafc;
}

.image-preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding: 10px var(--space-3);
  border: 1px solid var(--border-soft, #e5e7eb);
  border-radius: var(--radius-ui, 8px);
  background: var(--surface-subtle, #f8f9fa);
}

.image-preview-summary {
  min-width: 0;
  font-size: var(--font-size-sm);
  color: #6b7280;
}

.image-preview-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.image-preview-media {
  display: block;
  width: 100%;
  border: 0;
  padding: 0;
  background: transparent;
}

.image-preview-media img {
  display: block;
}

.upload-dropzone input[type="file"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  font-size: 0;
  color: transparent;
}

.upload-dropzone input[type="file"]::-webkit-file-upload-button {
  display: none;
}

.upload-dropzone input[type="file"]::file-selector-button {
  display: none;
}

.upload-dropzone.is-disabled {
  cursor: default;
  opacity: 0.6;
}

.upload-dropzone.is-disabled input[type="file"] {
  pointer-events: none;
}

.upload-dropzone.is-processing {
  opacity: 0.72;
}

.image-viewer-open {
  overflow: hidden;
}

.image-viewer-overlay {
  position: fixed;
  inset: 0;
  z-index: 1100;
}

.image-viewer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
}

.image-viewer-dialog {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100vw - 48px));
  height: min(88vh, 860px);
  margin: var(--space-6) auto;
  padding: 40px var(--space-6) var(--space-5);
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: var(--space-4);
}

.image-viewer-close {
  position: absolute;
  top: 0;
  right: 0;
  width: var(--height-lg);
  height: var(--height-lg);
  border: 0;
  background: transparent;
  color: #fff;
  font-size: var(--font-size-3xl);
  cursor: pointer;
}

.image-viewer-count {
  display: flex;
  justify-content: center;
  color: #fff;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-heavy);
}

.image-viewer-main-wrap {
  display: grid;
  grid-template-columns: 56px 1fr 56px;
  gap: var(--space-4);
  min-height: 0;
  align-items: center;
}

.image-viewer-main {
  min-width: 0;
  min-height: 0;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.image-viewer-main img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--radius-ui);
  background: #111827;
}

.image-viewer-nav {
  width: var(--height-2xl);
  height: var(--height-2xl);
  border: 0;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.9);
  color: #111827;
  font-size: var(--font-size-3xl);
  cursor: pointer;
}

.image-viewer-thumbs {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding-bottom: var(--space-1);
}

.image-viewer-thumb {
  flex: 0 0 84px;
  height: 56px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 0;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
  overflow: hidden;
}

.image-viewer-thumb.is-active {
  border-color: #fff;
}

.image-viewer-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 900px) {
  .image-preview-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .image-viewer-dialog {
    width: calc(100vw - 20px);
    height: calc(100vh - 20px);
    margin: 10px auto;
    padding: 36px 12px 16px;
  }

  .image-viewer-main-wrap {
    grid-template-columns: 40px 1fr 40px;
    gap: var(--space-2);
  }

  .image-viewer-nav {
    width: var(--height-md);
    height: var(--height-md);
    font-size: var(--font-size-3xl);
  }

  .image-viewer-thumb {
    flex-basis: 64px;
    height: var(--height-xl);
  }
}

/* ─── 공통 썸네일 높이 규격 ──────────────────────────────────────────────── */

.image-preview-item img {
  width: 100%;
  height: 96px;
  object-fit: cover;
}

.image-preview-item.is-main {
  flex-basis: 180px;
}

.image-preview-item.is-main img {
  height: 120px;
}

.image-preview-media {
  cursor: zoom-in;
}

.image-preview-action.is-primary {
  color: #1b2a4a;
}

.image-preview-toolbar.is-view-only {
  justify-content: flex-start;
}

.image-preview-toolbar.is-view-only .image-preview-summary {
  color: var(--text-subtle, #6b7280);
}

/* ─── 비이미지 파일 확장자 박스 (PDF, DOCX 등) ──────────────────────────── */

.image-preview-filebox {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 96px;
  background: #f1f5f9;
  border-bottom: 1px solid #e5e7eb;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-heavy);
  color: #94a3b8;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.image-preview-item.is-main .image-preview-filebox {
  height: 120px;
}

@media (max-width: 900px) {
  .image-preview-item {
    flex-basis: 128px;
  }

  .image-preview-item.is-main {
    flex-basis: 180px;
  }
}

/* ─── 드롭존 ─────────────────────────────────────────────────────────────── */

.upload-dropzone {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 96px;
  padding: var(--space-5) var(--space-4);
  border: 2px dashed #cbd5e1;
  border-radius: var(--radius-ui, 8px);
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  cursor: pointer;
  transition: border-color var(--transition-normal), background var(--transition-normal), box-shadow var(--transition-normal);
}

.upload-dropzone:hover {
  border-color: #93c5fd;
  background: linear-gradient(180deg, #eff6ff 0%, #e0f2fe 100%);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.08);
}

.upload-dropzone.is-dragover {
  border-color: #3b82f6;
  background: #eff6ff;
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.12);
}

.upload-dropzone-icon {
  width: var(--space-8);
  height: var(--space-8);
  color: #94a3b8;
  transition: color var(--transition-normal);
}

.upload-dropzone:hover .upload-dropzone-icon { color: #3b82f6; }

.upload-dropzone-text {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-strong);
  color: #64748b;
}

.upload-dropzone-sub {
  font-size: var(--font-size-sm);
  color: #94a3b8;
}

.panel--form form.ui-mode-view .upload-dropzone,
.panel--detail form.ui-mode-view .upload-dropzone {
  display: none;
}

.panel--form form.ui-mode-view .image-preview-list,
.panel--detail form.ui-mode-view .image-preview-list {
  gap: 6px;
}

.panel--form form.ui-mode-view .image-preview-item,
.panel--detail form.ui-mode-view .image-preview-item {
  flex-basis: 104px;
}

.panel--form form.ui-mode-view .image-preview-head,
.panel--detail form.ui-mode-view .image-preview-head {
  min-height: var(--height-xs);
  padding: 0 6px 0 var(--space-2);
}

.panel--form form.ui-mode-view .image-preview-label,
.panel--detail form.ui-mode-view .image-preview-label {
  min-height: var(--height-xs);
  font-size: var(--font-size-sm);
}

.panel--form form.ui-mode-view .image-preview-meta,
.panel--detail form.ui-mode-view .image-preview-meta {
  min-height: 22px;
  padding: 0 var(--space-2);
  font-size: var(--font-size-xs);
}

.panel--form form.ui-mode-view .image-preview-media img,
.panel--detail form.ui-mode-view .image-preview-media img {
  height: 72px;
  object-fit: cover;
}

.panel--form form.ui-mode-view .image-preview-item.is-main,
.panel--detail form.ui-mode-view .image-preview-item.is-main {
  flex-basis: 124px;
}

.panel--form form.ui-mode-view .image-preview-item.is-main img,
.panel--detail form.ui-mode-view .image-preview-item.is-main img {
  height: 72px;
}

.panel--form form.ui-mode-view .image-preview-filebox,
.panel--detail form.ui-mode-view .image-preview-filebox {
  height: 72px;
  font-size: var(--font-size-base);
}

.panel--form form.ui-mode-view .image-preview-toolbar,
.panel--detail form.ui-mode-view .image-preview-toolbar {
  margin-top: 6px;
}

/* 보기모드: 비우기 버튼 숨김, 서류/사진 없으면 toolbar 전체 숨김 */
.panel--form form.ui-mode-view .image-preview-toolbar button,
.panel--detail form.ui-mode-view .image-preview-toolbar button {
  display: none;
}

.panel--form form.ui-mode-view .image-preview-list:has(.image-preview-empty) + .image-preview-toolbar,
.panel--detail form.ui-mode-view .image-preview-list:has(.image-preview-empty) + .image-preview-toolbar {
  display: none;
}

/* ═══════════════════════════════
   간소화된 썸네일 그리드
═══════════════════════════════ */

.img-thumb-list {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.img-thumb-item {
  position: relative;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-ui, 8px);
  overflow: hidden;
  background: #f1f3f4;
  border: 1px solid var(--border-soft, rgba(0,0,0,0.06));
}

.img-thumb-item .img-thumb-media,
.img-thumb-item .image-preview-media {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}

.img-thumb-item .img-thumb-media img,
.img-thumb-item .image-preview-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.img-thumb-item .image-preview-filebox {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-heavy);
  color: #94a3b8;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 0;
}

.img-thumb-remove {
  position: absolute;
  top: 2px;
  right: 2px;
  z-index: 1;
  width: 20px;
  height: 20px;
  border: none;
  border-radius: var(--radius-circle);
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: var(--font-size-md);
  line-height: 20px;
  text-align: center;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.img-thumb-remove:hover {
  background: rgba(0, 0, 0, 0.75);
}

.img-thumb-footer {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.img-thumb-summary {
  font-size: var(--font-size-sm);
  color: var(--text-subtle, #6b7280);
}

.img-thumb-list:empty + .img-thumb-footer .img-thumb-summary::after {
  content: '';
}

/* 보기모드: 전체삭제 숨김 */
.panel--form form.ui-mode-view .img-thumb-footer button,
.panel--detail form.ui-mode-view .img-thumb-footer button {
  display: none;
}

/* 보기모드: 사진 없으면 footer 숨김 */
.panel--form form.ui-mode-view .img-thumb-list:has(.image-preview-empty) + .img-thumb-footer,
.panel--detail form.ui-mode-view .img-thumb-list:has(.image-preview-empty) + .img-thumb-footer {
  display: none;
}

/* 빈 상태 - image-preview-empty는 기존 그대로 사용 */
.img-thumb-list .image-preview-empty {
  width: 100%;
  flex-basis: 100%;
}