refactor button elements; change button types for search and filter actions in admin pages

public/admin/assets/css/intel.css

@@ -33,19 +33,16 @@
 
 
 /* ── intel stats row (the 6-up on intel pages) ──────────────────────────── */
-/* one integrated strip with edge-to-edge separators, mirrors the top
-   stats-bar. we wrap the ordinary .intel-stat-card children and strip
-   their individual borders + radius so the container reads as one unit. */
+/* lives outside .content so it spans edge-to-edge, matching the top
+   stats-bar exactly: flat strip, bottom border, vertical separators
+   between cells. kept distinct from the stats.html throughput tiles
+   which deliberately still read as standalone cards. */
 
 #intel-stats-row {
   display: flex;
   flex-wrap: wrap;
   background: var(--bg-card);
-  border: 1px solid var(--border);
-  border-radius: var(--radius-lg);
-  overflow: hidden;
-  margin-bottom: 24px;
-  gap: 0;
+  border-bottom: 1px solid var(--border);
 }
 
 #intel-stats-row .intel-stat-card {
@@ -53,14 +50,13 @@
   border: none;
   border-radius: 0;
   border-right: 1px solid var(--border);
-  padding: 16px 28px;
+  padding: 14px 28px;
   flex: 0 0 auto;
   min-width: 140px;
 }
 
-#intel-stats-row .intel-stat-card:last-child {
-  border-right: none;
-}
+#intel-stats-row .intel-stat-card:first-child { padding-left: 24px; }
+#intel-stats-row .intel-stat-card:last-child  { border-right: none; }
 
 
 /* ── intel detail body (modal) ── */