IMplémentation de la ajorité des remarques de Nepherius

styles/global.less

@@ -186,6 +186,42 @@
         }
       }
     }
+
+    // Boutons d'action du header (toggle mode, dé de lune, etc.)
+    .header-buttons {
+      display: flex;
+      flex-direction: column;
+      justify-content: flex-start;
+      align-items: center;
+      gap: 6px;
+      padding-left: 4px;
+
+      a {
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        width: 28px;
+        height: 28px;
+        border-radius: 3px;
+        color: var(--cel-orange-light);
+        font-size: 1em;
+        cursor: pointer;
+        transition: background 0.15s, color 0.15s;
+        text-decoration: none;
+
+        &:hover {
+          background: rgba(196,154,26,0.18);
+          color: var(--cel-orange);
+        }
+      }
+
+      .moon-standalone-btn {
+        font-size: 1.3em;
+        line-height: 1;
+        width: 30px;
+        height: 30px;
+      }
+    }
   }
 
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