Session 13: Save Slot Preview (footer shows each slot's stardust, buildings, achievements, last-saved; hover to preview)

css/game.css

@@ -565,6 +565,31 @@ h2, h3 {
     opacity: 0.5;
 }
 
+/* Live one-line preview of the active/hovered save slot in the footer */
+.slot-preview {
+    color: var(--text-secondary);
+    font-size: 0.78rem;
+    font-family: monospace;
+    white-space: nowrap;
+    max-width: 320px;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    opacity: 0.85;
+    transition: opacity 0.15s ease, color 0.15s ease;
+}
+
+.slot-preview.empty {
+    color: var(--text-muted);
+    font-style: italic;
+    opacity: 0.6;
+}
+
+#game-footer:hover .slot-preview,
+.slot-preview:not(.empty):hover {
+    opacity: 1;
+    color: var(--accent-purple);
+}
+
 /* Autosave toggle button */
 .toggle-btn {
     background: var(--bg-card);