#ct_main_left.mob-users-mode #ct_room_list,#ct_main_left.mob-users-mode .ct_room_list_header{display:none}#ct_main_left.mob-users-mode .ct_user_list_pos{display:none}#ct_main_left.mob-users-mode .ct_user_list_header{background:linear-gradient(90deg,#00608a 0,#13161d 100%);border-bottom:1px solid rgba(77,184,232,.25);letter-spacing:.3px}#ct_main_left.mob-rooms-mode #ct_user_list,#ct_main_left.mob-rooms-mode #ct_user_list_header{display:none}#ct_main_left.mob-rooms-mode .ct_left_hide{display:none}#ct_main_left.mob-rooms-mode #ct_room_list{bottom:0;height:auto}#ct_main_left.mob-rooms-mode .ct_room_list_header{background:linear-gradient(90deg,#00608a 0,#13161d 100%);border-bottom:1px solid rgba(77,184,232,.25)}#ct_mobile_nav button.mob-active{color:#4db8e8;background:rgba(77,184,232,.12);border-top:2px solid #4db8e8}@media (max-width:640px){.topnav a.icon{padding:0 14px;height:36px;display:flex!important;align-items:center;justify-content:center;font-size:18px}.cabecera img{height:36px;width:36px}.topnav.responsive{overflow:visible}div.body{top:36px}#ct_mobile_nav{background:rgba(13,15,22,.9);backdrop-filter:blur(24px) saturate(1.6);-webkit-backdrop-filter:blur(24px) saturate(1.6);border-top:none;box-shadow:0 -1px 0 0 rgba(77,184,232,.22),0 -6px 28px rgba(0,0,0,.55);padding-bottom:env(safe-area-inset-bottom,0);padding-left:env(safe-area-inset-left,4px);padding-right:env(safe-area-inset-right,4px)}#ct_mobile_nav::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent 0,rgba(77,184,232,.55) 35%,rgba(0,168,224,.7) 50%,rgba(77,184,232,.55) 65%,transparent 100%);pointer-events:none}#ct_mobile_nav button{position:relative;border-radius:14px;margin:5px 3px;gap:2px;transition:background .18s ease,color .18s ease,transform .15s ease;overflow:visible}#ct_mobile_nav button span{font-size:10px;font-weight:500;letter-spacing:.25px;opacity:.85}#ct_mobile_nav button i{font-size:19px;transition:transform .2s ease,filter .2s ease}#ct_mobile_nav button:active,#ct_mobile_nav button:hover{background:rgba(77,184,232,.1);color:#4db8e8;transform:translateY(-2px)}#ct_mobile_nav button.mob-active{color:#4db8e8;background:rgba(77,184,232,.14);border-top:none}#ct_mobile_nav button.mob-active::before{content:'';position:absolute;top:-1px;left:50%;transform:translateX(-50%);width:28px;height:3px;background:linear-gradient(90deg,#4db8e8,#00c8ff);border-radius:0 0 4px 4px;box-shadow:0 0 6px rgba(77,184,232,.8),0 0 14px rgba(77,184,232,.4)}#ct_mobile_nav button.mob-active i{transform:translateY(-2px);filter:drop-shadow(0 0 5px rgba(77, 184, 232, .75))}#ct_mobile_nav button.mob-active span{opacity:1;font-weight:600}div.histNav{display:flex}input.ct_client_outbox{padding-right:26px}}