<ul class="nav nav-tabs chat_nav">
        <?php $styleAttrs = (!isClientsEnabled()) ? 'width:50%;' : ''; ?>
        <li class="active staff" style="<?= $styleAttrs; ?>"><svg class="i_chat_navigaton" viewBox="0 0 24 24">
                  <path d="M13.07 10.41A5 5 0 0 0 13.07 4.59A3.39 3.39 0 0 1 15 4A3.5 3.5 0 0 1 15 11A3.39 3.39 0 0 1 13.07 10.41M5.5 7.5A3.5 3.5 0 1 1 9 11A3.5 3.5 0 0 1 5.5 7.5M7.5 7.5A1.5 1.5 0 1 0 9 6A1.5 1.5 0 0 0 7.5 7.5M16 17V19H2V17S2 13 9 13 16 17 16 17M14 17C13.86 16.22 12.67 15 9 15S4.07 16.31 4 17M15.95 13A5.32 5.32 0 0 1 18 17V19H22V17S22 13.37 15.94 13Z" />
             </svg><a data-toggle="tab" href="#staff"><?= _l('chat_staff_text');  ?></a></li>
        <li class="groups events_disabled" style="<?= $styleAttrs; ?>"><svg class="i_chat_navigation" viewBox="0 0 24 24">
                  <path d="M12,5.5A3.5,3.5 0 0,1 15.5,9A3.5,3.5 0 0,1 12,12.5A3.5,3.5 0 0,1 8.5,9A3.5,3.5 0 0,1 12,5.5M5,8C5.56,8 6.08,8.15 6.53,8.42C6.38,9.85 6.8,11.27 7.66,12.38C7.16,13.34 6.16,14 5,14A3,3 0 0,1 2,11A3,3 0 0,1 5,8M19,8A3,3 0 0,1 22,11A3,3 0 0,1 19,14C17.84,14 16.84,13.34 16.34,12.38C17.2,11.27 17.62,9.85 17.47,8.42C17.92,8.15 18.44,8 19,8M5.5,18.25C5.5,16.18 8.41,14.5 12,14.5C15.59,14.5 18.5,16.18 18.5,18.25V20H5.5V18.25M0,20V18.5C0,17.11 1.89,15.94 4.45,15.6C3.86,16.28 3.5,17.22 3.5,18.25V20H0M24,20H20.5V18.25C20.5,17.22 20.14,16.28 19.55,15.6C22.11,15.94 24,17.11 24,18.5V20Z" />
             </svg><a data-toggle="tab" class="events_disabled" href="#groups"><?= _l('chat_groups_text');  ?></a></li>
        <?php if (isClientsEnabled()) : ?>
             <li class="crm_clients"><svg class="i_chat_navigation" viewBox="0 0 24 24">
                       <path d="M16.36 12.76C18.31 13.42 20 14.5 20 16V21H4V16C4 14.5 5.69 13.42 7.65 12.76L8.27 14L8.5 14.5C7 14.96 5.9 15.62 5.9 16V19.1H10.12L11 14.03L10.06 12.15C10.68 12.08 11.33 12.03 12 12.03C12.67 12.03 13.32 12.08 13.94 12.15L13 14.03L13.88 19.1H18.1V16C18.1 15.62 17 14.96 15.5 14.5L15.73 14L16.36 12.76M12 5C10.9 5 10 5.9 10 7C10 8.1 10.9 9 12 9C13.1 9 14 8.1 14 7C14 5.9 13.1 5 12 5M12 11C9.79 11 8 9.21 8 7C8 4.79 9.79 3 12 3C14.21 3 16 4.79 16 7C16 9.21 14.21 11 12 11Z" />
                  </svg><a data-toggle="tab" class="events_disabled" href="#crm_clients"><?= _l('chat_lang_clients'); ?></a></li>
        <?php endif; ?>
   </ul>