diff --git a/src/styles.css b/src/styles.css
index faee9b8..72b0ba4 100644
--- a/src/styles.css
+++ b/src/styles.css
@@ -1968,9 +1968,13 @@ tbody tr:hover {
      inside a dialog (e.g. the sample hand modal), and the zoomed preview
      must stay on top of the dialog it was opened from. */
   z-index: 450;
+  /* Centered via `.preview-modal`'s `margin: auto`, NOT align-items /
+     justify-content: center — those overflow equally off BOTH edges when the
+     content is taller than the viewport (card art + info tile on a phone),
+     and the part pushed above the top edge can't be scrolled to, leaving the
+     close button under the status bar. Auto margins collapse to 0 instead,
+     so overflow only ever extends downward into the scrollable area. */
   display: flex;
-  align-items: center;
-  justify-content: center;
   overflow-y: auto;
   padding: 24px 12px;
   /* The close button pokes up above the (flex-centered) modal content, so on
@@ -2002,6 +2006,7 @@ tbody tr:hover {
    `.preview-modal-backdrop`'s own scrolling, not by clipping content. */
 .preview-modal {
   position: relative;
+  margin: auto;
   cursor: default;
   display: flex;
   flex-wrap: wrap;