.wlsm-chat-wrap{display:flex;height:calc(100vh - 200px);min-height:520px;border:1px solid rgba(0,0,0,.08);box-shadow:0 6px 20px rgba(0,0,0,.08);border-radius:4px;overflow:hidden;background:#fff;margin-top:1.4rem;margin-bottom:2rem}.wlsm-st-chat-wrap{display:flex;height:550px;border:1px solid #eaeaea;border-radius:8px;overflow:hidden;background:#fff;box-shadow:0 4px 12px rgba(0,0,0,.03)}.wlsm-chat-sidebar-col{width:260px;min-width:220px;flex-shrink:0;display:flex;flex-direction:column;border-right:1px solid rgba(0,0,0,.08);background:#f8f9fa}.wlsm-chat-sidebar-header{padding:.75rem 1rem;font-size:.95rem;font-weight:600;color:#fff;display:flex;align-items:center;justify-content:space-between;flex-shrink:0;background-color:#007bff}.wlsm-st-chat-wrap .wlsm-chat-sidebar-col{background:#fff;border-right:1px solid #eaeaea}.wlsm-st-chat-wrap .wlsm-chat-sidebar-header{background-color:#fff;color:#333;border-bottom:1px solid #eaeaea}.wlsm-st-chat-wrap .wlsm-chat-search-bar{background:#fff!important;border-bottom:1px solid #eaeaea!important;padding:10px 15px!important}.wlsm-st-chat-wrap #wlsm-chat-search{border-radius:20px;border:1px solid #e0e0e0;background:#f9f9f9;padding:.3rem 1rem;box-shadow:none}.wlsm-st-chat-wrap #wlsm-chat-search:focus{background:#fff;border-color:#cbd5e1}.wlsm-chat-sidebar-header .btn{padding:.18rem .55rem;font-size:.78rem;font-weight:600;border-color:rgba(255,255,255,.55);color:#fff;line-height:1.4}.wlsm-chat-sidebar-header .btn:hover{background:rgba(255,255,255,.18)}.wlsm-conversation-item{padding:.75rem 1rem;cursor:pointer;border-bottom:1px solid rgba(0,0,0,.04);border-left:3px solid transparent;transition:all .2s ease}.wlsm-conversation-item:hover{background:#f8f9fa}.wlsm-conversation-item.active{background:#e7f1ff;border-left-color:#007bff}.wlsm-st-chat-wrap .wlsm-conversation-item.active{background:#f8fafc;border-left-color:#475569}.wlsm-conv-name{font-weight:600;font-size:.9rem;color:#1e293b;margin-bottom:2px}.wlsm-conv-preview{font-size:.76rem;color:#6c757d;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.wlsm-chat-unread-badge{display:inline-block;background:#dc3545;color:#fff;font-size:.62rem;font-weight:700;padding:1px 5px;border-radius:10px;margin-left:5px;vertical-align:middle}.wlsm-chat-main-col{flex:1;display:flex;flex-direction:column;min-width:0;position:relative}.wlsm-chat-panel{display:none;flex:1;flex-direction:column;min-height:0}.wlsm-chat-panel.wlsm-panel-active{display:flex}#wlsm-chat-empty-state .dashicons{font-size:54px;width:54px;height:54px;color:#ced4da;margin-bottom:.75rem}.wlsm-chat-win-header{padding:.75rem 1.25rem;background:#fff;border-bottom:1px solid #eaeaea;flex-shrink:0;font-weight:600;font-size:.95rem;color:#1e293b}.wlsm-msg-row{display:flex;flex-direction:column}.wlsm-msg-row.wlsm-sent{align-items:flex-end}.wlsm-msg-row.wlsm-received{align-items:flex-start}.wlsm-msg-sender{font-size:.7rem;font-weight:600;color:#6c757d;margin-bottom:2px;padding:0 4px}.wlsm-message-bubble{max-width:70%;padding:.6rem 1rem;border-radius:16px;font-size:.9rem;line-height:1.5;word-break:break-word;box-shadow:0 1px 2px rgba(0,0,0,.05)}.wlsm-msg-row.wlsm-sent .wlsm-message-bubble{background:#007bff;color:#fff;border-bottom-right-radius:4px}.wlsm-st-chat-wrap .wlsm-msg-row.wlsm-sent .wlsm-message-bubble{background:#475569;color:#fff}.wlsm-msg-row.wlsm-received .wlsm-message-bubble{background:#f8fafc;color:#334155;border:1px solid #e2e8f0;border-bottom-left-radius:4px}.wlsm-msg-time{font-size:.67rem;color:#adb5bd;margin-top:2px;padding:0 4px}.wlsm-chat-input-bar{padding:.75rem 1rem;border-top:1px solid #eaeaea;background:#fff;display:flex;align-items:flex-end;gap:8px;flex-shrink:0}.wlsm-st-chat-wrap #wlsm-send-btn{background-color:#475569;color:#fff;transition:background .2s}.wlsm-st-chat-wrap #wlsm-send-btn:hover{background-color:#334155}@media (max-width:767px){.wlsm-chat-wrap,.wlsm-st-chat-wrap{flex-direction:column;height:auto;min-height:unset}.wlsm-chat-sidebar-col{width:100%;min-width:unset;border-right:none;border-bottom:1px solid rgba(0,0,0,.08);max-height:220px}}