diff --git a/src/styles.css b/src/styles.css
index cd7f01d..9da6131 100644
--- a/src/styles.css
+++ b/src/styles.css
@@ -143,3 +143,9 @@
   }
   h1, h2, h3, h4 { font-family: var(--font-serif); letter-spacing: -0.01em; }
 }
+
+/* Custom form editor: table + caption styling */
+.ProseMirror table { border-collapse: collapse; margin: 8px 0; width: 100%; table-layout: fixed; }
+.ProseMirror th, .ProseMirror td { border: 1px solid #999; padding: 6px 8px; vertical-align: top; min-width: 40px; }
+.ProseMirror th { background: #f3f4f6; font-weight: 600; text-align: left; }
+.ProseMirror .selectedCell { background: rgba(59,130,246,0.15); }