Sélection par séance, réordonnancement et exclusion vie du labo

assets/admin.css

@@ -138,6 +138,41 @@
     margin-top: 2px;
 }
 
+/* ---- Drag handle + reordering ---- */
+.thalim-nl-drag-handle {
+    flex-shrink: 0;
+    cursor: grab;
+    color: #c3c4c7;
+    font-size: 16px;
+    width: 16px;
+    height: 16px;
+    line-height: 1;
+    align-self: center;
+}
+
+.thalim-nl-post-row:hover .thalim-nl-drag-handle,
+.thalim-nl-seminar-title:hover .thalim-nl-drag-handle {
+    color: #8c8f94;
+}
+
+.thalim-nl-drag-handle:active {
+    cursor: grabbing;
+}
+
+.thalim-nl-sortable-placeholder {
+    border: 1px dashed #2271b1;
+    background: #f0f6fc;
+    border-radius: 3px;
+    height: 26px;
+    margin: 2px 0;
+}
+
+.ui-sortable-helper {
+    background: #fff;
+    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
+    border-radius: 3px;
+}
+
 .thalim-nl-post-title {
     flex: 1;
     font-size: 13px;
@@ -166,29 +201,37 @@
     white-space: nowrap;
 }
 
-/* ---- Séances list under seminars ---- */
-.thalim-nl-seances-list {
-    margin: 2px 0 6px 28px;
-    padding: 0;
-    list-style: none;
-    border-left: 2px solid #dcdcde;
-    padding-left: 12px;
+/* ---- Seminars: séances grouped under their seminar ---- */
+.thalim-nl-seminar-group {
+    margin-top: 18px;
 }
 
-.thalim-nl-seance-item {
-    padding: 3px 0;
-    font-size: 12px;
-    color: #50575e;
+.thalim-nl-seminar-group:first-child {
+    margin-top: 4px;
 }
 
-.thalim-nl-seance-title {
-    font-weight: 500;
+.thalim-nl-seminar-title {
+    display: flex;
+    align-items: baseline;
+    gap: 6px;
+    font-weight: 600;
+    font-size: 13px;
+    color: #1d2327;
+    padding: 5px 10px;
+    background: #f0f3f5;
+    border-radius: 3px;
 }
 
-.thalim-nl-seance-meta {
-    display: block;
-    color: #888;
-    font-size: 11px;
+.thalim-nl-seminar-title .thalim-nl-post-view {
+    margin-left: auto;
+}
+
+/* Séances hang under their seminar title, connected by a left rail */
+.thalim-nl-seance-row {
+    margin-left: 9px;
+    padding-left: 17px;
+    border-bottom: none;
+    border-left: 2px solid #e2e6ea;
 }
 
 /* ---- Empty state ---- */