/* 图片预览在原讨论弹窗上方，控件位置不随图片大小变化。 */
#message-image-viewer .message-image-viewer {
  width: min(94vw, 1100px);
  max-width: 1100px;
  max-height: 94vh;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
#message-image-viewer .message-image-viewer-head { flex: 0 0 auto; padding: 0; }
#message-image-viewer .message-image-viewer-head h3 { flex: 1; margin: 0; }
#message-image-viewer-count { flex: 0 0 auto; font-size: 13px; font-variant-numeric: tabular-nums; color: var(--text2); }
#message-image-viewer-stage {
  height: min(70vh, 760px);
  min-height: 0;
  min-width: 0;
  flex: 1 1 auto;
  display: grid;
  /* 默认 auto 轨道会被长图的固有高度撑大，再被 overflow 裁掉。 */
  grid-template: minmax(0, 1fr) / minmax(0, 1fr);
  place-items: center;
  background: #101216;
  border-radius: 8px;
  overflow: hidden;
}
#message-image-viewer-img { grid-area: 1 / 1; min-width: 0; min-height: 0; width: 100%; height: 100%; max-width: 100%; max-height: 100%; object-fit: contain; }
#message-image-viewer .message-image-viewer-loading { grid-area: 1 / 1; text-align: center; color: #e2e8f0; padding: 16px; }
#message-image-viewer-status { margin: 0; font-size: 14px; }
#message-image-viewer-retry { margin-top: 12px; }
#message-image-viewer-nav { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex: 0 0 auto; }
#message-image-viewer-nav span { font-size: 12px; color: var(--text2); text-align: center; }
#message-image-viewer button {
  flex: 0 0 auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface2);
  color: var(--text);
  padding: 9px 14px;
  cursor: pointer;
}
#message-image-viewer button:disabled { opacity: .4; cursor: default; }
#message-image-viewer button:not(:disabled):hover { border-color: var(--primary); }
#message-image-viewer button:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
#message-image-viewer [hidden] { display: none !important; }