diff --git a/css/admin.css b/css/admin.css
index 39f857e..6b843f4 100644
--- a/css/admin.css
+++ b/css/admin.css
@@ -472,4 +472,57 @@ body {
     transform: translate(-50%, -50%);
     font-size: 12px;
     font-weight: bold;
+}
+
+/* ══════════════════════════════════════════════════════════════
+   ISOLATION ET AJUSTEMENTS FINAUX
+   ══════════════════════════════════════════════════════════════ */
+
+/* Isolation stricte du body pour contrer public.css */
+.admin-body {
+    padding: 2rem 1rem 4rem !important;
+    background: var(--dark) !important;
+    min-height: 100vh;
+}
+
+/* Zone d'importation CSV améliorée */
+.import-box {
+    background: var(--surface2) !important;
+    border: 1px dashed rgba(201, 168, 76, 0.4) !important;
+    border-radius: 8px;
+    padding: 2rem;
+    text-align: center;
+    margin-bottom: 2rem;
+    transition: border-color 0.3s;
+}
+.import-box:hover {
+    border-color: var(--gold) !important;
+}
+.import-box i {
+    font-size: 2.4rem;
+    color: var(--gold);
+    display: block;
+    margin-bottom: 0.8rem;
+}
+
+/* Organisation de la Toolbar */
+.toolbar-container {
+    margin-bottom: 1.5rem;
+}
+.toolbar-actions {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin-top: 1rem;
+}
+#admin-subtitle {
+    color: var(--muted);
+    font-size: 0.85rem;
+    margin-top: 0.4rem;
+}
+
+/* Alignement parfait de la case à cocher "Tout sélectionner" */
+#select-all-checkbox {
+    margin: 0 auto;
+    display: block;
 }
\ No newline at end of file