Fix search suggestions dropdown visibility

- Add top: 100% to dropdown to position below search bar
- Increase z-index to 9000 to ensure visibility above map elements
- Add overflow: visible to parent containers to prevent clipping

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/styles/map.css

@@ -178,6 +178,7 @@
   max-width: min(980px, calc(100vw - 24px));
   width:100%;
   z-index: 850; /* Above FAB (820) but below modals (9999) */
+  overflow:visible;
 }
 
 
@@ -1255,6 +1256,7 @@ body[data-theme="light"] .sw-search-clear{
   justify-content:space-between;
   gap:0.75rem;
   width:100%;
+  overflow:visible;
 }
 
 /* ✅ Search = prend tout, icônes juste ce qu’il faut */

src/styles/smartSearchBar.css

@@ -37,6 +37,7 @@ body[data-theme="light"] {
   max-width: 580px;
   flex: 1 1 auto;
   min-width: 0;
+  overflow: visible;
 }
 
 .sw-search-row{
@@ -46,6 +47,7 @@ body[data-theme="light"] {
   width: 100%;
   min-width: 0;
   flex-wrap: nowrap;
+  overflow: visible;
 }
 
 .sw-search__side{
@@ -185,7 +187,8 @@ body[data-theme="light"] {
 
 .sw-search__dropdown {
   position: absolute;
-  z-index: 850;
+  z-index: 9000;
+  top: 100%;
   left: 0;
   right: 0;
   margin-top: 8px;