diff --git a/packages/ui/src/components.tsx b/packages/ui/src/components.tsx
index c80162a..0c875da 100644
--- a/packages/ui/src/components.tsx
+++ b/packages/ui/src/components.tsx
@@ -134,52 +134,56 @@ export function DataTable(props: {
   }
 
   return (
-    <table className="wf">
-      <thead>
-        <tr>
-          {props.columns.map((c) => {
-            const sortable = canSort(c)
-            const arrow = sort?.key === c.key ? (sort.dir === 'asc' ? ' ▲' : ' ▼') : ''
+    // Horizontal-scroll boundary: on narrow screens a wide table scrolls inside this box
+    // instead of pushing the page body wider than the viewport (see .wf-table-wrap CSS).
+    <div className="wf-table-wrap">
+      <table className="wf">
+        <thead>
+          <tr>
+            {props.columns.map((c) => {
+              const sortable = canSort(c)
+              const arrow = sort?.key === c.key ? (sort.dir === 'asc' ? ' ▲' : ' ▼') : ''
+              return (
+                <th key={c.key} className={c.numeric === true ? 'num' : undefined}
+                  aria-sort={sort?.key === c.key ? (sort.dir === 'asc' ? 'ascending' : 'descending') : undefined}
+                  onClick={sortable ? () => toggle(c.key) : undefined}
+                  style={sortable ? { cursor: 'pointer', userSelect: 'none', whiteSpace: 'nowrap' } : undefined}
+                  title={sortable ? 'Sort' : undefined}>
+                  {c.label}<span style={{ opacity: 0.7 }}>{arrow}</span>
+                </th>
+              )
+            })}
+          </tr>
+        </thead>
+        <tbody>
+          {ordered.map(({ row, i }) => {
+            const tone = props.rowTone?.(i)
+            const clickable = props.onRowClick !== undefined
             return (
-              <th key={c.key} className={c.numeric === true ? 'num' : undefined}
-                aria-sort={sort?.key === c.key ? (sort.dir === 'asc' ? 'ascending' : 'descending') : undefined}
-                onClick={sortable ? () => toggle(c.key) : undefined}
-                style={sortable ? { cursor: 'pointer', userSelect: 'none', whiteSpace: 'nowrap' } : undefined}
-                title={sortable ? 'Sort' : undefined}>
-                {c.label}<span style={{ opacity: 0.7 }}>{arrow}</span>
-              </th>
+              <tr
+                key={i}
+                className={tone !== undefined ? `tone-${tone}` : undefined}
+                // Row click is keyboard-operable (WCAG 2.1.1): role=button + tabindex
+                // make it a focusable control, and Enter/Space fire the same handler.
+                onClick={clickable ? () => props.onRowClick?.(row, i) : undefined}
+                onKeyDown={clickable
+                  ? (e) => {
+                      if (e.key === 'Enter' || e.key === ' ') { e.preventDefault(); props.onRowClick?.(row, i) }
+                    }
+                  : undefined}
+                role={clickable ? 'button' : undefined}
+                tabIndex={clickable ? 0 : undefined}
+                style={clickable ? { cursor: 'pointer' } : undefined}
+              >
+                {props.columns.map((c) => (
+                  <td key={c.key} className={cellClass(c)}>{row[c.key]}</td>
+                ))}
+              </tr>
             )
           })}
-        </tr>
-      </thead>
-      <tbody>
-        {ordered.map(({ row, i }) => {
-          const tone = props.rowTone?.(i)
-          const clickable = props.onRowClick !== undefined
-          return (
-            <tr
-              key={i}
-              className={tone !== undefined ? `tone-${tone}` : undefined}
-              // Row click is keyboard-operable (WCAG 2.1.1): role=button + tabindex
-              // make it a focusable control, and Enter/Space fire the same handler.
-              onClick={clickable ? () => props.onRowClick?.(row, i) : undefined}
-              onKeyDown={clickable
-                ? (e) => {
-                    if (e.key === 'Enter' || e.key === ' ') { e.preventDefault(); props.onRowClick?.(row, i) }
-                  }
-                : undefined}
-              role={clickable ? 'button' : undefined}
-              tabIndex={clickable ? 0 : undefined}
-              style={clickable ? { cursor: 'pointer' } : undefined}
-            >
-              {props.columns.map((c) => (
-                <td key={c.key} className={cellClass(c)}>{row[c.key]}</td>
-              ))}
-            </tr>
-          )
-        })}
-      </tbody>
-    </table>
+        </tbody>
+      </table>
+    </div>
   )
 }
 
diff --git a/packages/ui/src/tokens.css b/packages/ui/src/tokens.css
index 822785b..24bb41d 100644
--- a/packages/ui/src/tokens.css
+++ b/packages/ui/src/tokens.css
@@ -461,3 +461,18 @@ button.wf.pill { border-radius: 999px; padding: 8px 18px; }
 .wf-formgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 12px; }
 .wf-formgrid .wide { grid-column: 1 / -1; }
 @media (max-width: 560px) { .wf-formgrid { grid-template-columns: 1fr; } }
+
+/* ================= mobile (phone) layout ================= */
+@media (max-width: 640px) {
+  /* Record header: stack the action-button cluster below the avatar/name/meta instead of
+     crowding them on one row. Desktop layout (outside this query) is untouched. */
+  .wf-rec { flex-wrap: wrap; }
+  .wf-rec-actions { width: 100%; }
+
+  /* Wide tables (e.g. Tickets) scroll horizontally inside their own box rather than
+     clipping columns or pushing the page body wider than the viewport. `white-space:
+     nowrap` stops cells from being squeezed/wrapped illegibly, which is what actually
+     lets the table exceed 100% and become scrollable. */
+  .wf-table-wrap { overflow-x: auto; max-width: 100%; -webkit-overflow-scrolling: touch; }
+  .wf-table-wrap table.wf th, .wf-table-wrap table.wf td { white-space: nowrap; }
+}