fix: icône auto-DL plus visible (opacité 0.3 → 0.55)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

static/style.css

@@ -238,9 +238,9 @@ body {
 }
 
 .auto-icon {
-  font-size: 11px;
+  font-size: 12px;
   line-height: 1;
-  opacity: 0.3;
+  opacity: 0.55;
   padding: 2px 5px;
   border-radius: 10px;
   transition: opacity var(--transition), background var(--transition), color var(--transition);
@@ -248,8 +248,8 @@ body {
 }
 
 .auto-icon:hover {
-  opacity: 0.8;
-  background: rgba(255,255,255,0.1);
+  opacity: 1;
+  background: rgba(255,255,255,0.12);
 }
 
 .auto-icon.active {
@@ -258,7 +258,7 @@ body {
 }
 
 .cat-pill.active .auto-icon {
-  opacity: 0.5;
+  opacity: 0.6;
   color: #000;
 }