ajout de fonctionnalités

frontend/style.css

@@ -5365,3 +5365,107 @@ body.popup-mode .content-area {
   flex-shrink: 0;
   margin-top: 2px;
 }
+
+/* ===== TAB BAR ===== */
+.tab-bar {
+  display: flex;
+  align-items: stretch;
+  background: var(--bg-secondary);
+  border-bottom: 1px solid var(--border);
+  overflow: hidden;
+  flex-shrink: 0;
+  min-height: 36px;
+}
+
+.tab-bar[hidden] {
+  display: none;
+}
+
+.tab-list {
+  display: flex;
+  align-items: stretch;
+  overflow-x: auto;
+  overflow-y: hidden;
+  flex: 1;
+  scrollbar-width: thin;
+}
+
+.tab-list::-webkit-scrollbar {
+  height: 3px;
+}
+
+.tab-item {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  padding: 6px 12px;
+  font-size: 0.8rem;
+  color: var(--text-muted);
+  cursor: pointer;
+  white-space: nowrap;
+  border-right: 1px solid var(--border);
+  background: transparent;
+  transition: background 0.15s, color 0.15s;
+  user-select: none;
+  position: relative;
+  min-width: 0;
+  flex-shrink: 0;
+}
+
+.tab-item:hover {
+  background: var(--bg-hover);
+  color: var(--text-secondary);
+}
+
+.tab-item.active {
+  background: var(--bg-primary);
+  color: var(--text-primary);
+  border-bottom: 2px solid var(--accent);
+  margin-bottom: -1px;
+}
+
+.tab-item .tab-icon {
+  width: 14px;
+  height: 14px;
+  flex-shrink: 0;
+  opacity: 0.7;
+}
+
+.tab-item .tab-name {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  max-width: 150px;
+}
+
+.tab-item .tab-close {
+  width: 16px;
+  height: 16px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: 3px;
+  flex-shrink: 0;
+  opacity: 0;
+  transition: opacity 0.15s, background 0.15s;
+}
+
+.tab-item:hover .tab-close,
+.tab-item.active .tab-close {
+  opacity: 0.6;
+}
+
+.tab-item .tab-close:hover {
+  opacity: 1;
+  background: var(--bg-hover);
+}
+
+.tab-item.dragging {
+  opacity: 0.5;
+  background: var(--bg-hover);
+}
+
+.tab-drop-indicator {
+  width: 2px;
+  background: var(--accent);
+  flex-shrink: 0;
+}