fix: increase page max-width from 1200px to 1600px for better table display

Tables were too narrow and required horizontal scrolling on larger screens.
Increased max-width across all pages to better utilize available screen space.

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

src/frontend/src/routes/+layout.svelte

@@ -137,7 +137,7 @@
   }
 
   .nav-container {
-    max-width: 1200px;
+    max-width: 1600px;
     margin: 0 auto;
     padding: 0 1rem;
     display: flex;
@@ -199,7 +199,7 @@
   main {
     flex: 1;
     padding: 2rem 1rem;
-    max-width: 1200px;
+    max-width: 1600px;
     width: 100%;
     margin: 0 auto;
   }
@@ -226,7 +226,7 @@
   }
 
   .impersonation-content {
-    max-width: 1200px;
+    max-width: 1600px;
     margin: 0 auto;
     display: flex;
     align-items: center;

src/frontend/src/routes/admin/+page.svelte

@@ -561,7 +561,7 @@
 <style>
   .admin-dashboard {
     padding: 2rem;
-    max-width: 1400px;
+    max-width: 1600px;
     margin: 0 auto;
   }
 

src/frontend/src/routes/admin/awards/+page.svelte

@@ -169,7 +169,7 @@
 <style>
   .awards-admin {
     padding: 2rem;
-    max-width: 1400px;
+    max-width: 1600px;
     margin: 0 auto;
   }
 

src/frontend/src/routes/admin/awards/[id]/+page.svelte

@@ -1137,7 +1137,7 @@
 <style>
   .award-editor {
     padding: 2rem;
-    max-width: 1200px;
+    max-width: 1600px;
     margin: 0 auto;
   }
 

src/frontend/src/routes/admin/awards/create/+page.svelte

@@ -1177,7 +1177,7 @@
 <style>
   .award-editor {
     padding: 2rem;
-    max-width: 1200px;
+    max-width: 1600px;
     margin: 0 auto;
   }
 

src/frontend/src/routes/awards/+page.svelte

@@ -173,7 +173,7 @@
 
 <style>
   .container {
-    max-width: 1200px;
+    max-width: 1600px;
     margin: 0 auto;
     padding: 2rem;
   }

src/frontend/src/routes/awards/[id]/+page.svelte

@@ -1149,7 +1149,7 @@
 
 <style>
   .container {
-    max-width: 1200px;
+    max-width: 1600px;
     margin: 0 auto;
     padding: 2rem;
   }

src/frontend/src/routes/qsos/+page.svelte

@@ -877,7 +877,7 @@
 
 <style>
   .container {
-    max-width: 1200px;
+    max-width: 1600px;
     margin: 0 auto;
     padding: 2rem 1rem;
   }