.modal-backdrop.viewer-backdrop { padding: 16px; }
.viewer-backdrop .viewer {
  display: grid; grid-template-rows: auto minmax(0, 1fr) auto;
  width: min(100%, 1100px); height: min(90vh, 900px); height: min(90dvh, 900px);
  max-height: calc(100dvh - 32px); min-width: 0; border-radius: 8px;
}
.viewer .viewer-head { gap: 12px; padding: 10px 16px; }
.viewer .viewer-head strong { min-width: 0; }
.viewer .viewer-body { display: grid; grid-template-columns: 260px minmax(0, 1fr); min-height: 0; }
.viewer .viewer-list { min-height: 0; overflow: auto; padding: 10px; border-right: 1px solid #eee8ec; background: #fcfafb; }
.viewer .viewer-group + .viewer-group { margin-top: 14px; }
.viewer .viewer-group > strong { display: block; padding: 0 6px 6px; color: #958993; font: 600 11px/1.4 var(--ledger-font); }
.viewer .viewer-file { display: flex; gap: 8px; align-items: center; width: 100%; min-height: 42px; padding: 6px; border: 0; border-radius: 6px; background: transparent; color: #352c34; text-align: left; font: 12px/1.4 var(--ledger-font); cursor: pointer; }
.viewer .viewer-file:hover, .viewer .viewer-file.is-active { background: var(--rose-soft); color: var(--rose-dark); }
.viewer .viewer-file[data-missing="true"] { opacity: .55; }
.viewer .viewer-file > span:last-child { min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.viewer .viewer-main { min-width: 0; min-height: 0; display: grid; }
.viewer .viewer-body .viewer-canvas { height: 100%; }
.viewer .viewer-canvas {
  display: block; min-width: 0; min-height: 0; max-height: none;
  padding: 12px; overflow: auto; overscroll-behavior: contain;
  scrollbar-gutter: stable; touch-action: pan-x pan-y;
}
.viewer .viewer-stage { display: flex; align-items: center; justify-content: center; }
.viewer .viewer-image {
  display: block; flex: none; width: auto; height: auto; max-width: none; max-height: none;
  object-fit: contain; transform: none; transition: none;
}
.viewer .viewer-pdf { display: block; width: 100%; height: 100%; border: 0; background: #fff; }
.viewer .viewer-missing { display: grid; place-items: center; height: 100%; padding: 16px; text-align: center; }
.viewer .viewer-foot { min-width: 0; display: flex; flex-direction: row; flex-wrap: nowrap; align-items: center; gap: 16px; padding: 10px 16px; }
.viewer .viewer-foot .viewer-file-info { min-width: 0; flex: 1 1 0; }
.viewer .viewer-file-info strong { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font-size: 13px; }
.viewer .viewer-file-info small { font-size: 12px; }
.viewer .viewer-controls { flex: none; width: auto; display: flex; flex-wrap: nowrap; gap: 8px; }
.viewer .viewer-controls .btn { flex: none; min-width: 40px; height: 40px; min-height: 40px; padding: 6px 10px; border-radius: 6px; }
@media (max-width: 600px) {
  .modal-backdrop.viewer-backdrop { padding: 8px; }
  .viewer-backdrop .viewer { width: 100%; height: calc(100dvh - 16px); max-height: calc(100dvh - 16px); }
  .viewer .viewer-head { padding: 8px 12px; }
  .viewer .viewer-body { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto minmax(0, 1fr); }
  .viewer .viewer-list { display: flex; gap: 8px; overflow-x: auto; overflow-y: hidden; border-right: 0; border-bottom: 1px solid #eee8ec; padding: 8px; order: 1; }
  .viewer .viewer-group { display: flex; gap: 6px; flex: none; }
  .viewer .viewer-group > strong { display: none; }
  .viewer .viewer-file { width: auto; max-width: 170px; flex: none; border: 1px solid #eee8ec; background: #fff; }
  .viewer .viewer-main { order: 2; }
  .viewer .viewer-canvas { padding: 8px; }
  .viewer .viewer-foot { flex-wrap: wrap; gap: 8px; padding: 8px 12px; }
  .viewer .viewer-foot .viewer-file-info { flex-basis: 100%; }
  .viewer .viewer-controls { margin-left: auto; }
}