/* Extrait de teacher-dashboard.html. Ordre historique : 11. */
/* Onglets analytics — couleurs forcées car button { color:white } global */
                          .analytics-tab-btn {
                            color: #374151 !important;
                            background: #f9fafb !important;
                            border-bottom: 4px solid transparent;
                            font-weight: 700 !important;
                            padding: 14px 20px;
                            flex: 1;
                            cursor: pointer;
                            font-size: 14px !important;
                            transition: background .15s, color .15s;
                          }
                          .analytics-tab-btn:hover {
                            background: #f1f5f9 !important;
                            color: #1e40af !important;
                          }
                          .analytics-tab-btn.analytics-tab-active {
                            color: #1e40af !important;
                            background: #eff6ff !important;
                            border-bottom-color: #4f46e5 !important;
                          }