:root{--chat-blue:#145ba7;--chat-navy:#173653;--chat-green:#0b806b;--chat-line:#d8e4ed;--chat-bg:#eef4f7;--chat-purple:#6846bd}
.inverchat-view{position:fixed;z-index:180000;inset:0;display:none;background:#eef4f7;color:var(--chat-navy);font-family:Inter,sans-serif}.inverchat-view.open{display:grid;grid-template-rows:auto minmax(0,1fr)}
.inverchat-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 20px;border-bottom:1px solid var(--chat-line);background:#fff}.inverchat-brand{display:flex;align-items:center;gap:11px}.inverchat-brand-mark{display:grid;place-items:center;width:43px;height:43px;border-radius:14px;background:#fff4bd;color:#153f85;font-size:1.25rem}.inverchat-brand h1{margin:0;font-size:1.18rem}.inverchat-brand p{margin:3px 0 0;color:#718397;font-size:.7rem}.inverchat-close{display:flex;align-items:center;gap:7px;padding:9px 12px;border:1px solid var(--chat-line);border-radius:10px;background:#fff;color:#31516d;font-weight:800;cursor:pointer}
.inverchat-layout{display:grid;grid-template-columns:minmax(270px,350px) minmax(0,1fr);min-height:0;max-width:1500px;width:100%;margin:auto;border-inline:1px solid var(--chat-line);background:#fff}.inverchat-side{display:flex;min-height:0;flex-direction:column;border-right:1px solid var(--chat-line);background:#fff}.inverchat-summary{padding:15px;border-bottom:1px solid var(--chat-line)}.inverchat-summary strong{display:block;font-size:1rem}.inverchat-online-count{display:flex;align-items:center;gap:7px;margin-top:7px;color:#537087;font-size:.72rem}.inverchat-online-count i{color:#13a176}.inverchat-search{position:relative;margin:12px}.inverchat-search i{position:absolute;left:12px;top:11px;color:#8294a5}.inverchat-search input{width:100%;padding:10px 12px 10px 34px;border:1px solid var(--chat-line);border-radius:11px;background:#f6f9fb;font:inherit}.inverchat-tabs{display:flex;gap:6px;padding:0 12px 10px}.inverchat-tabs button{flex:1;padding:7px;border:0;border-radius:9px;background:#edf3f7;color:#527086;font-size:.68rem;font-weight:800;cursor:pointer}.inverchat-tabs button.active{background:#dcecf9;color:#155b99}.inverchat-list{flex:1;overflow:auto;padding:4px 8px 15px}.inverchat-contact{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:10px;align-items:center;width:100%;padding:10px;border:0;border-radius:12px;background:#fff;text-align:left;cursor:pointer}.inverchat-contact:hover,.inverchat-contact.active{background:#edf6fb}.inverchat-avatar{position:relative;display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--avatar,#2366aa);color:#fff;font-size:.68rem;font-weight:900}.inverchat-avatar .online{position:absolute;right:0;bottom:0;width:11px;height:11px;border:2px solid #fff;border-radius:50%;background:#13a176}.inverchat-contact-copy{min-width:0}.inverchat-contact-copy strong,.inverchat-contact-copy small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.inverchat-contact-copy strong{font-size:.76rem}.inverchat-contact-copy small{margin-top:3px;color:#718397;font-size:.61rem}.inverchat-contact-meta{display:grid;justify-items:end;gap:4px;color:#8294a5;font-size:.55rem}.inverchat-unread{display:grid;place-items:center;min-width:19px;height:19px;padding:0 5px;border-radius:99px;background:#0b806b;color:#fff;font-weight:900}.inverchat-classmates{padding:12px;border-top:1px solid var(--chat-line);background:#f8fafb}.inverchat-classmates summary{color:#42657e;font-size:.68rem;font-weight:850;cursor:pointer}.inverchat-classmates div{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}.inverchat-classmates span{padding:4px 7px;border-radius:99px;background:#fff;border:1px solid var(--chat-line);font-size:.56rem}.inverchat-classmates span.online:before{content:'';display:inline-block;width:6px;height:6px;margin-right:4px;border-radius:50%;background:#13a176}
.inverchat-main{display:grid;grid-template-rows:auto minmax(0,1fr) auto;min-width:0;min-height:0;background:#f4f7f8}.inverchat-empty{grid-row:1/-1;display:grid;place-items:center;padding:30px;text-align:center;color:#718397}.inverchat-empty i{display:block;margin-bottom:12px;color:#7a5bc7;font-size:2.4rem}.inverchat-chat-head{display:flex;align-items:center;gap:11px;padding:11px 16px;border-bottom:1px solid var(--chat-line);background:#fff}.inverchat-chat-head-copy strong,.inverchat-chat-head-copy small{display:block}.inverchat-chat-head-copy strong{font-size:.82rem}.inverchat-chat-head-copy small{margin-top:2px;color:#718397;font-size:.62rem}.inverchat-back{display:none;border:0;background:transparent;color:#275c84;font-size:1rem}.inverchat-messages{overflow:auto;padding:20px;background-color:#edf3f4;background-image:radial-gradient(circle at 12px 12px,rgba(31,94,109,.04) 2px,transparent 2px);background-size:28px 28px}.inverchat-day{text-align:center;margin:8px}.inverchat-day span{padding:5px 9px;border-radius:99px;background:#fff;color:#718397;font-size:.58rem;box-shadow:0 2px 7px rgba(24,60,80,.08)}.inverchat-row{display:flex;margin:7px 0}.inverchat-row.own{justify-content:flex-end}.inverchat-bubble{max-width:min(620px,78%);padding:8px 10px;border:1px solid #d9e5ea;border-radius:5px 15px 15px 15px;background:#fff;box-shadow:0 2px 7px rgba(22,55,75,.06)}.inverchat-row.own .inverchat-bubble{border-color:#bde5d8;border-radius:15px 5px 15px 15px;background:#dff5ed}.inverchat-author{display:block;margin-bottom:4px;color:var(--author,#165f9e);font-size:.58rem;font-weight:900}.inverchat-reply{margin-bottom:5px;padding:5px 7px;border-left:3px solid #6c4ec1;border-radius:5px;background:rgba(104,70,189,.08);color:#60758a;font-size:.59rem}.inverchat-text{white-space:pre-wrap;overflow-wrap:anywhere;font-size:.76rem;line-height:1.45}.inverchat-file{display:flex;align-items:center;gap:9px;min-width:190px;padding:8px;border-radius:9px;background:rgba(255,255,255,.66);color:#285b80;text-decoration:none;font-size:.68rem;font-weight:750}.inverchat-file i{font-size:1.2rem}.inverchat-image{display:block;max-width:320px;max-height:260px;border-radius:10px}.inverchat-audio{width:min(310px,65vw)}.inverchat-bubble-foot{display:flex;align-items:center;justify-content:flex-end;gap:5px;margin-top:4px;color:#778b9b;font-size:.53rem}.inverchat-check.leido{color:#168bd2}.inverchat-bubble-actions{display:flex;justify-content:flex-end;margin-top:4px}.inverchat-bubble-actions button{border:0;background:transparent;color:#718397;font-size:.55rem;cursor:pointer}
.inverchat-compose{border-top:1px solid var(--chat-line);background:#fff}.inverchat-replying{display:none;align-items:center;justify-content:space-between;padding:7px 13px;border-left:4px solid #6d4bc1;background:#f5f0ff;color:#526b81;font-size:.63rem}.inverchat-replying.visible{display:flex}.inverchat-replying button{border:0;background:transparent;cursor:pointer}.inverchat-tools{display:flex;align-items:center;gap:3px;padding:7px 10px 0}.inverchat-tools button,.inverchat-tools label{display:grid;place-items:center;width:34px;height:34px;border:0;border-radius:9px;background:transparent;color:#526f85;cursor:pointer}.inverchat-tools button:hover,.inverchat-tools label:hover{background:#edf4f8}.inverchat-tools input{display:none}.inverchat-compose-row{display:flex;align-items:flex-end;gap:8px;padding:5px 10px 10px}.inverchat-compose textarea{flex:1;min-height:42px;max-height:120px;padding:11px 13px;border:1px solid var(--chat-line);border-radius:15px;background:#f7f9fa;font:inherit;font-size:.75rem;resize:none}.inverchat-send{display:grid;place-items:center;flex:none;width:43px;height:43px;border:0;border-radius:50%;background:#0b806b;color:#fff;cursor:pointer}.inverchat-emoji{position:absolute;z-index:4;display:none;grid-template-columns:repeat(8,1fr);gap:4px;margin:-215px 0 0 10px;padding:10px;border:1px solid var(--chat-line);border-radius:13px;background:#fff;box-shadow:0 14px 40px rgba(17,53,75,.2)}.inverchat-emoji.open{display:grid}.inverchat-emoji button{border:0;background:transparent;font-size:1.2rem;cursor:pointer}.inverchat-recording{color:#c43243!important;animation:chatPulse 1s infinite}@keyframes chatPulse{50%{transform:scale(1.13)}}
.yuyai-chat-icon{position:relative;width:29px;height:27px}.yuyai-chat-brain{position:absolute;left:5px;top:1px;width:18px;height:17px;border-radius:50% 47% 46% 50%;background:#f4cc18;box-shadow:inset 8px 0 #17457d}.yuyai-chat-brain:before,.yuyai-chat-brain:after{content:'';position:absolute;top:6px;width:3px;height:4px;border-radius:50%;background:#fff;animation:yuyaiEyes 2.2s infinite}.yuyai-chat-brain:before{left:5px}.yuyai-chat-brain:after{right:4px}.yuyai-chat-phone{position:absolute;right:-1px;top:4px;width:8px;height:13px;border:2px solid currentColor;border-radius:2px;background:#fff}.yuyai-chat-arm{position:absolute;right:6px;top:10px;width:8px;height:2px;border-radius:2px;background:#f4cc18;transform:rotate(-22deg);transform-origin:right;animation:yuyaiType .7s ease-in-out infinite alternate}.yuyai-chat-arm.second{left:1px;right:auto;top:11px;transform:rotate(25deg);animation:yuyaiWave 1.4s ease-in-out infinite alternate}.yuyai-chat-shoes{position:absolute;left:7px;bottom:2px;width:7px;height:3px;border-radius:3px;background:#4c347c;box-shadow:9px 0 #4c347c}@keyframes yuyaiType{to{transform:rotate(15deg)}}@keyframes yuyaiWave{to{transform:rotate(-20deg)}}@keyframes yuyaiEyes{0%,45%,55%,100%{transform:scaleY(1)}50%{transform:scaleY(.12)}}
#pdSidebar [data-pd-route="inverchat"]{position:relative}.pd-chat-live{margin-left:auto;padding:3px 6px;border-radius:99px;background:rgba(255,255,255,.16);font-size:.52rem;font-weight:900;white-space:nowrap}
.student-progress-performance{margin-top:22px;padding-top:18px;border-top:1px solid #d8e4ed}.student-progress-performance>h2{margin:0 0 6px;color:#173653;font-size:1.05rem}.student-progress-performance>p{margin:0 0 15px;color:#718397;font-size:.7rem}
@media(max-width:720px){.inverchat-view.open{display:grid;width:100vw;height:100dvh;min-height:100vh;overflow:hidden}.inverchat-top{min-height:61px;padding:9px 12px}.inverchat-close span{display:none}.inverchat-layout{display:block;position:relative;width:100%;height:100%;min-height:0;overflow:hidden;margin:0;border:0}.inverchat-side,.inverchat-main{position:absolute;inset:0;width:100%;height:100%;min-height:0}.inverchat-side{z-index:1;border:0;overflow:hidden}.inverchat-list{min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:calc(18px + env(safe-area-inset-bottom))}.inverchat-main{z-index:2;transform:translateX(100%);transition:.22s ease;overflow:hidden}.inverchat-view.chat-open .inverchat-main{transform:translateX(0)}.inverchat-back{display:block}.inverchat-bubble{max-width:88%}.inverchat-messages{min-height:0;padding:12px;-webkit-overflow-scrolling:touch}.inverchat-compose{padding-bottom:env(safe-area-inset-bottom)}.inverchat-brand p{display:none}.student-mobile-nav.visible{grid-template-columns:repeat(6,1fr)!important}.student-mobile-nav [data-student-target="chat"]{position:relative}.student-mobile-nav [data-student-target="chat"]>i{display:none}.student-mobile-nav .yuyai-chat-icon{display:block}.student-mobile-nav .chat-nav-badge{position:absolute;right:8px;top:2px;display:none;place-items:center;min-width:16px;height:16px;padding:0 4px;border:2px solid #fff;border-radius:99px;background:#dc3545;color:#fff;font-size:.48rem}.student-mobile-nav .chat-nav-badge.visible{display:grid}}
@media(prefers-reduced-motion:reduce){.yuyai-chat-arm,.yuyai-chat-brain:before,.yuyai-chat-brain:after,.inverchat-main{animation:none!important;transition:none!important}}

/* Ajuste de rendimiento y miembros por área · InverTIC v1.4.0 */
.inverchat-group-info{display:flex;align-items:center;gap:10px;min-width:0;padding:0;border:0;background:transparent;text-align:left;cursor:pointer;touch-action:manipulation}.inverchat-group-info>.fa-chevron-down{margin-left:4px;color:#7690a3;font-size:.65rem;transition:transform .15s}.inverchat-group-info[aria-expanded="true"]>.fa-chevron-down{transform:rotate(180deg)}.inverchat-chat-head-copy{min-width:0}.inverchat-chat-head-copy small i,.inverchat-connected i{color:#13a176;font-size:.45rem}.inverchat-connected{padding:3px 6px;border-radius:99px;background:#e7f7f1;color:#08795d;font-size:.52rem;white-space:nowrap}.inverchat-members{position:absolute;z-index:8;top:69px;left:12px;width:min(360px,calc(100% - 24px));max-height:55vh;overflow:hidden;border:1px solid var(--chat-line);border-radius:14px;background:#fff;box-shadow:0 14px 38px rgba(17,53,75,.2)}.inverchat-members[hidden]{display:none}.inverchat-members header{display:flex;align-items:center;justify-content:space-between;padding:12px;border-bottom:1px solid var(--chat-line)}.inverchat-members header button{border:0;background:transparent;color:#587184;cursor:pointer}.inverchat-members>div{display:grid;max-height:calc(55vh - 47px);overflow:auto;padding:7px}.inverchat-members span{display:grid;grid-template-columns:10px minmax(0,1fr);gap:2px 8px;padding:8px;border-radius:9px}.inverchat-members span:hover{background:#f3f7f9}.inverchat-members span>i{grid-row:1/3;align-self:center;color:#b9c5cd;font-size:.45rem}.inverchat-members span.online>i{color:#13a176}.inverchat-members span b{font-size:.68rem}.inverchat-members span small{color:#718397;font-size:.56rem}
.inverchat-emoji{display:grid!important;visibility:hidden;opacity:0;transform:translateY(6px);pointer-events:none;transition:opacity .12s,transform .12s}.inverchat-emoji.open{visibility:visible;opacity:1;transform:none;pointer-events:auto}.inverchat-tools button,.inverchat-tools label,.inverchat-send,.inverchat-emoji button{touch-action:manipulation;-webkit-tap-highlight-color:transparent}
@media(max-width:720px){.inverchat-list{contain:content}.inverchat-main{transform:translate3d(100%,0,0)!important;transition:transform .16s ease!important;will-change:transform}.inverchat-view.chat-open .inverchat-main{transform:translate3d(0,0,0)!important}.inverchat-chat-head{position:relative;padding:9px 10px}.inverchat-group-info{flex:1}.inverchat-chat-head-copy strong{font-size:.78rem}.inverchat-chat-head-copy small{white-space:nowrap;font-size:.56rem}.inverchat-bubble{box-shadow:none}.inverchat-messages{contain:layout paint}.inverchat-contact,.inverchat-back,.inverchat-close{touch-action:manipulation;-webkit-tap-highlight-color:transparent}}
.inverchat-group-info{flex:1;border-radius:12px;padding:5px 7px}.inverchat-group-info:hover,.inverchat-group-info:focus-visible{background:#f0f6f8;outline:none}.inverchat-group-info .inverchat-avatar{flex:none}.inverchat-group-info .inverchat-chat-head-copy{flex:1}.inverchat-group-info .inverchat-chat-head-copy small{color:#527086}.student-mobile-nav [data-student-target="chat"] .yuyai-chat-icon{display:block;flex:none;transform:scale(.92);transform-origin:center}.student-mobile-nav [data-student-target="chat"]>i{display:none!important}

/* InverCHAT v1.4.0 · multimedia, grupo y avisos móviles */
.inverchat-avatar{overflow:hidden;flex:0 0 42px;min-width:42px;max-width:42px;min-height:42px;max-height:42px;contain:size layout paint}.inverchat-avatar img{position:absolute!important;inset:0!important;display:block!important;width:42px!important;min-width:42px!important;max-width:42px!important;height:42px!important;min-height:42px!important;max-height:42px!important;margin:0!important;padding:0!important;border:0!important;border-radius:50%!important;object-fit:cover!important}.inverchat-group-photo{display:flex;align-items:center;justify-content:center;gap:7px;margin:8px;padding:9px;border:1px dashed #b9cad6;border-radius:10px;background:#f7fafb;color:#315c78;font-size:.64rem;font-weight:850;cursor:pointer}.inverchat-group-photo input{display:none}
.inverchat-messages{position:relative;isolation:isolate}.inverchat-messages>*:not(.inverchat-watermark){position:relative;z-index:1}.inverchat-watermark{position:sticky;z-index:0;top:46%;display:flex;width:max-content;max-width:94%;height:0;margin:0 auto;align-items:center;justify-content:center;gap:18px;pointer-events:none;opacity:.085;transform:translateY(-50%);color:#174c78}.inverchat-watermark .yuyai-chat-icon{flex:none;width:72px;height:66px;transform:scale(2.35)}.inverchat-watermark strong{font-size:clamp(2.5rem,9vw,7rem);letter-spacing:.02em;white-space:nowrap}
.inverchat-attach-menu{position:absolute;z-index:7;left:10px;bottom:94px;grid-template-columns:repeat(4,minmax(62px,1fr));gap:6px;width:min(350px,calc(100% - 20px));padding:9px;border:1px solid var(--chat-line);border-radius:14px;background:rgba(255,255,255,.96);box-shadow:0 14px 35px rgba(17,53,75,.18);backdrop-filter:blur(10px)}.inverchat-attach-menu:not([hidden]){display:grid}.inverchat-attach-menu button{display:grid;place-items:center;gap:5px;padding:9px 4px;border:0;border-radius:10px;background:#f3f7f9;color:#315b77;font-size:.56rem;font-weight:800;cursor:pointer;touch-action:manipulation}.inverchat-attach-menu button i{font-size:1rem}.inverchat-attach-menu button:hover{background:#e6f1f5}
.inverchat-contact-picker{position:absolute;z-index:9;inset:70px 10px 85px;overflow:hidden;border:1px solid var(--chat-line);border-radius:15px;background:#fff;box-shadow:0 16px 45px rgba(17,53,75,.22)}.inverchat-contact-picker[hidden]{display:none}.inverchat-contact-picker header{display:flex;align-items:center;justify-content:space-between;padding:12px;border-bottom:1px solid var(--chat-line)}.inverchat-contact-picker header button{border:0;background:transparent;color:#526f85}.inverchat-contact-picker>div{display:grid;max-height:calc(100% - 48px);overflow:auto;padding:7px}.inverchat-contact-picker [data-contact]{display:flex;align-items:center;gap:10px;padding:9px;border:0;border-radius:10px;background:#fff;text-align:left;color:#28465f;cursor:pointer}.inverchat-contact-picker [data-contact]:hover{background:#f1f6f8}.inverchat-contact-picker [data-contact]>i{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#e8f3f7;color:#176f83}.inverchat-contact-picker [data-contact] span,.inverchat-contact-picker [data-contact] b,.inverchat-contact-picker [data-contact] small{display:block}.inverchat-contact-picker [data-contact] b{font-size:.66rem}.inverchat-contact-picker [data-contact] small{margin-top:2px;color:#718397;font-size:.56rem}
.inverchat-emoji{width:min(430px,calc(100% - 20px));max-height:300px;grid-template-columns:1fr!important;gap:7px!important;overflow:hidden;margin:-310px 0 0 10px!important}.inverchat-emoji-tabs{display:flex;gap:4px;overflow-x:auto;padding-bottom:4px}.inverchat-emoji-tabs button{padding:6px 8px!important;border-radius:8px!important;background:#f2f5f8!important;color:#60758a;font-size:.55rem!important;white-space:nowrap}.inverchat-emoji-tabs button.active{background:#e8defb!important;color:#5f3bb1}.inverchat-emoji-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:3px;overflow:auto;max-height:220px}.inverchat-emoji-grid button{min-height:33px;border-radius:7px!important}.inverchat-emoji-grid button:hover{background:#f0ebfa!important}
.inverchat-audio-preview{display:flex;align-items:center;gap:7px;padding:7px 10px;background:#f4f8fa;border-bottom:1px solid var(--chat-line)}.inverchat-audio-preview[hidden]{display:none}.inverchat-audio-preview audio{flex:1;min-width:0;height:34px}.inverchat-audio-preview button{display:grid;place-items:center;width:34px;height:34px;border:0;border-radius:50%;background:#0b806b;color:#fff}.inverchat-audio-preview [data-audio-cancel]{background:#fbe9ec;color:#b52b40}
.inverchat-message-notice{position:fixed;z-index:170000;right:max(12px,calc((100vw - 520px)/2 + 12px));bottom:84px;display:flex;align-items:center;gap:9px;max-width:min(340px,calc(100vw - 24px));padding:9px 12px 9px 8px;border:1px solid rgba(84,65,143,.2);border-radius:16px;background:rgba(248,246,252,.88);box-shadow:0 10px 28px rgba(30,35,65,.16);backdrop-filter:blur(10px);color:#3d306c;text-align:left;opacity:0;transform:translateY(16px);pointer-events:none;transition:.2s ease}.inverchat-message-notice.visible{opacity:1;transform:none;pointer-events:auto}.inverchat-message-notice .yuyai-chat-icon{flex:none}.inverchat-message-notice>span{display:grid;flex:1}.inverchat-message-notice strong{font-size:.7rem}.inverchat-message-notice small{margin-top:2px;color:#6e638d;font-size:.6rem}.inverchat-message-notice>.fa-chevron-right{font-size:.65rem}
@media(max-width:520px){.inverchat-emoji{max-height:270px;margin-top:-280px!important}.inverchat-emoji-grid{grid-template-columns:repeat(7,1fr);max-height:190px}.inverchat-attach-menu{grid-template-columns:repeat(4,1fr)}.inverchat-chat-head{z-index:12;overflow:visible}.inverchat-members{z-index:30;top:calc(100% + 4px);left:8px;right:8px;width:auto;max-height:min(62vh,460px)}.inverchat-members>div{max-height:calc(min(62vh,460px) - 48px);-webkit-overflow-scrolling:touch}.inverchat-watermark{top:48%;max-width:90%;gap:12px;opacity:.1}.inverchat-watermark .yuyai-chat-icon{transform:scale(2)}.inverchat-watermark strong{font-size:2.65rem}}

/* Corrección móvil real: algunos navegadores Android exponen 600-720 px CSS. */
@media(max-width:900px){
  .inverchat-chat-head{position:relative;z-index:40!important;min-height:64px;padding:8px 10px!important;overflow:visible!important;background:#fff}
  .inverchat-back{display:grid!important;place-items:center;flex:none;width:38px;height:38px;padding:0;border-radius:10px;background:#edf4f8!important}
  .inverchat-group-info{display:flex!important;flex:1;min-width:0;max-width:none;padding:5px 7px!important;border:0!important;background:transparent!important}
  .inverchat-group-info .inverchat-avatar{flex:none;width:40px!important;height:40px!important}
  .inverchat-group-info .inverchat-chat-head-copy{display:block;flex:1;min-width:0}
  .inverchat-group-info .inverchat-chat-head-copy strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px!important;line-height:1.2}
  .inverchat-group-info .inverchat-chat-head-copy small{display:block;margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:11px!important;line-height:1.2}
  .inverchat-members{position:absolute!important;z-index:60!important;top:calc(100% + 5px)!important;left:8px!important;right:8px!important;width:auto!important;max-height:min(64vh,480px)!important;overflow:hidden;border:1px solid #cedde6!important;border-radius:16px!important;background:#fff!important;box-shadow:0 18px 46px rgba(17,53,75,.25)!important}
  .inverchat-members[hidden]{display:none!important}
  .inverchat-members>header{display:flex!important;align-items:center!important;justify-content:space-between!important;min-height:48px;padding:11px 13px!important;border-bottom:1px solid #dde7ed!important}
  .inverchat-members>header strong{font-size:15px!important;line-height:1.25;color:#173653}
  .inverchat-members>header button{display:grid!important;place-items:center;width:34px;height:34px;padding:0!important;border:0!important;border-radius:9px!important;background:#edf3f6!important;color:#31516d!important;font-size:15px!important}
  .inverchat-members>div{display:grid!important;max-height:calc(min(64vh,480px) - 49px)!important;overflow-y:auto!important;padding:7px!important;-webkit-overflow-scrolling:touch}
  .inverchat-members>div>span{display:grid!important;grid-template-columns:12px minmax(0,1fr)!important;grid-template-rows:auto auto!important;gap:2px 8px!important;align-items:center;padding:9px 8px!important;border-bottom:1px solid #edf2f5;border-radius:8px!important;color:#183750!important;line-height:1.2!important}
  .inverchat-members>div>span>i{grid-row:1/3!important;align-self:center;width:8px;height:8px;color:#aab9c3!important;font-size:8px!important}
  .inverchat-members>div>span.online>i{color:#13a176!important}
  .inverchat-members>div>span>b{display:block!important;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:normal;font-size:13px!important;line-height:1.25!important}
  .inverchat-members>div>span>small{display:block!important;color:#6f8292!important;font-size:11px!important;line-height:1.25!important}
  .inverchat-watermark{position:fixed!important;z-index:0!important;top:52%!important;left:50%!important;display:flex!important;width:min(82vw,390px)!important;max-width:none!important;height:auto!important;margin:0!important;align-items:center!important;justify-content:center!important;gap:28px!important;opacity:.075!important;transform:translate(-50%,-50%)!important;color:#174c78!important}
  .inverchat-watermark .yuyai-chat-icon{flex:none!important;width:72px!important;height:66px!important;transform:scale(2.7)!important}
  .inverchat-watermark strong{font-size:42px!important;line-height:1!important;white-space:nowrap!important}
  .inverchat-view .inverchat-attach-menu{z-index:55!important;left:10px!important;right:10px!important;bottom:105px!important;display:none;grid-template-columns:repeat(4,minmax(0,1fr))!important;width:auto!important;margin:0!important;padding:8px!important;border:1px solid #d4e0e7!important;border-radius:15px!important;background:#fff!important;box-shadow:0 15px 38px rgba(17,53,75,.22)!important}
  .inverchat-view .inverchat-attach-menu:not([hidden]){display:grid!important}
  .inverchat-view .inverchat-attach-menu button{display:grid!important;place-items:center!important;gap:6px!important;min-width:0!important;min-height:58px!important;padding:7px 3px!important;border:0!important;border-radius:10px!important;background:#f1f6f8!important;color:#315b77!important;font:800 10px/1.15 Inter,sans-serif!important;text-align:center!important}
  .inverchat-view .inverchat-attach-menu button i{font-size:18px!important}
}

/* Cámara directa, audio y rendimiento en equipos móviles modestos. */
.inverchat-emoji{display:none!important}
.inverchat-emoji.open{display:grid!important}
.inverchat-camera{position:absolute;z-index:100;inset:0;display:grid;grid-template-rows:minmax(0,1fr) auto auto;gap:10px;padding:14px;background:#07131d;color:#fff}
.inverchat-camera[hidden]{display:none!important}
.inverchat-camera video{width:100%;height:100%;min-height:0;border-radius:14px;background:#000;object-fit:cover}
.inverchat-camera p{margin:0;color:#dce8ef;font-size:12px;text-align:center}
.inverchat-camera>div{display:grid;grid-template-columns:1fr 1fr;gap:9px;padding-bottom:max(3px,env(safe-area-inset-bottom))}
.inverchat-camera button{min-height:48px;border:1px solid #426175;border-radius:13px;background:#172a38;color:#fff;font:800 13px Inter,sans-serif}
.inverchat-camera [data-camera-shot]{border-color:#168d73;background:#0b806b}
@media(max-width:900px){
  body.inverchat-active .student-mobile-nav button i,body.inverchat-active .student-resource-pending,body.inverchat-active .student-resource-pending i,body.inverchat-active .tutor-brain,body.inverchat-active #studentAreasGrid .area-card:after{animation:none!important}
  .inverchat-view .yuyai-chat-arm,.inverchat-view .yuyai-chat-brain:before,.inverchat-view .yuyai-chat-brain:after{animation:none!important}
  .inverchat-view,.inverchat-message-notice,.inverchat-top,.inverchat-compose,.inverchat-attach-menu{backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
  .inverchat-side{display:block!important}
  .inverchat-main{display:none!important;transform:none!important;transition:none!important;will-change:auto!important}
  .inverchat-view.chat-open .inverchat-side{display:none!important}
  .inverchat-view.chat-open .inverchat-main{display:grid!important;transform:none!important}
  .inverchat-contact>.inverchat-avatar,.inverchat-group-info>.inverchat-avatar{position:relative!important;display:grid!important;flex:0 0 42px!important;width:42px!important;min-width:42px!important;max-width:42px!important;height:42px!important;min-height:42px!important;max-height:42px!important;overflow:hidden!important;border-radius:50%!important}
  .inverchat-contact>.inverchat-avatar>img,.inverchat-group-info>.inverchat-avatar>img{position:absolute!important;inset:0!important;display:block!important;width:42px!important;height:42px!important;min-width:42px!important;max-width:42px!important;min-height:42px!important;max-height:42px!important;object-fit:cover!important}
  .inverchat-watermark{position:absolute!important;top:50%!important;transform:translate(-50%,-50%)!important}
  .inverchat-compose textarea{font-size:16px!important;transform:none!important;transition:none!important;will-change:auto!important;touch-action:manipulation}
  .inverchat-messages{overscroll-behavior:contain}
}

/* Rediseño de InverCHAT exclusivo del panel docente. */
.inverchat-role-badge,.inverchat-summary-kicker{display:none}
@media(min-width:901px){
  .inverchat-view.inverchat-docente{background:
    radial-gradient(circle at 8% 8%,rgba(22,150,117,.12),transparent 26%),
    radial-gradient(circle at 92% 2%,rgba(34,100,177,.11),transparent 30%),
    #edf3f6}
  .inverchat-view.inverchat-docente.open{grid-template-rows:76px minmax(0,1fr)}
  .inverchat-docente .inverchat-top{position:relative;z-index:5;min-height:76px;padding:0 28px;border:0;background:rgba(255,255,255,.96);box-shadow:0 1px 0 rgba(28,64,86,.1)}
  .inverchat-docente .inverchat-brand{gap:14px}
  .inverchat-docente .inverchat-brand-mark{width:50px;height:50px;border:1px solid #f4e7a6;border-radius:16px;background:linear-gradient(145deg,#fff8d7,#ffed9d);box-shadow:0 8px 20px rgba(31,66,89,.09)}
  .inverchat-docente .inverchat-brand-mark .yuyai-chat-icon{transform:scale(1.12)}
  .inverchat-docente .inverchat-brand-copy{display:grid;grid-template-columns:auto 1fr;align-items:center;column-gap:9px}
  .inverchat-docente .inverchat-role-badge{display:inline-flex;grid-column:2;grid-row:1;justify-self:start;padding:3px 8px;border-radius:99px;background:#e6f5f0;color:#08725e;font-size:.56rem;font-weight:900;letter-spacing:.055em;text-transform:uppercase}
  .inverchat-docente .inverchat-brand h1{grid-column:1;grid-row:1/3;margin:0;font-size:1.32rem;letter-spacing:-.025em}
  .inverchat-docente .inverchat-brand p{grid-column:2;grid-row:2;margin:2px 0 0;font-size:.68rem}
  .inverchat-docente .inverchat-close{min-height:42px;padding:0 15px;border-color:#cfdee7;border-radius:12px;background:#f8fbfc;color:#214d70;box-shadow:0 3px 9px rgba(27,62,84,.05);transition:background .16s,border-color .16s,transform .16s}
  .inverchat-docente .inverchat-close:hover{border-color:#9fc5d7;background:#edf6f8;transform:translateX(-2px)}
  .inverchat-docente .inverchat-layout{align-self:stretch;width:calc(100% - 40px);height:calc(100% - 28px);max-width:1540px;min-height:440px;margin:14px auto;grid-template-columns:330px minmax(0,1fr);overflow:hidden;border:1px solid rgba(181,203,215,.9);border-radius:22px;background:#fff;box-shadow:0 18px 50px rgba(30,66,88,.12)}
  .inverchat-docente .inverchat-side{border-right:1px solid #dce7ed;background:#f7fafb}
  .inverchat-docente .inverchat-summary{margin:16px 16px 13px;padding:16px 17px;border:0;border-radius:17px;background:linear-gradient(135deg,#153f75 0%,#0a7f70 100%);box-shadow:0 10px 24px rgba(17,72,89,.16);color:#fff}
  .inverchat-docente .inverchat-summary-kicker{display:block;margin-bottom:7px;color:#bfe7dd;font-size:.55rem;font-weight:900;letter-spacing:.11em;text-transform:uppercase}
  .inverchat-docente .inverchat-summary strong{font-size:1.03rem;line-height:1.3}
  .inverchat-docente .inverchat-online-count{margin-top:8px;color:#e6f7f2;font-size:.67rem}
  .inverchat-docente .inverchat-online-count i{color:#66e2bd;filter:drop-shadow(0 0 5px rgba(102,226,189,.55))}
  .inverchat-docente .inverchat-search{margin:0 16px 11px}
  .inverchat-docente .inverchat-search i{left:14px;top:13px;color:#7890a1}
  .inverchat-docente .inverchat-search input{height:44px;padding-left:39px;border-color:#d5e2e9;border-radius:13px;background:#fff;color:#183750;font-size:.75rem;outline:none;transition:border-color .16s,box-shadow .16s}
  .inverchat-docente .inverchat-search input:focus{border-color:#72b5ac;box-shadow:0 0 0 3px rgba(28,154,128,.11)}
  .inverchat-docente .inverchat-list{padding:2px 11px 16px}
  .inverchat-docente .inverchat-contact{position:relative;min-height:68px;margin:4px 0;padding:11px;border:1px solid transparent;border-radius:15px;background:transparent;transition:background .16s,border-color .16s,box-shadow .16s,transform .16s}
  .inverchat-docente .inverchat-contact:hover{border-color:#d9e7ed;background:#fff;box-shadow:0 7px 18px rgba(31,68,89,.07);transform:translateY(-1px)}
  .inverchat-docente .inverchat-contact.active{border-color:#bcded7;background:#fff;box-shadow:0 8px 22px rgba(18,91,87,.1)}
  .inverchat-docente .inverchat-contact.active:before{content:'';position:absolute;left:-1px;top:15px;bottom:15px;width:4px;border-radius:0 6px 6px 0;background:#0a8b73}
  .inverchat-docente .inverchat-contact-copy strong{font-size:.76rem;color:#163953}
  .inverchat-docente .inverchat-contact-copy small{font-size:.61rem;color:#758b9b}
  .inverchat-docente .inverchat-main{position:relative;background:#eef4f5}
  .inverchat-docente .inverchat-chat-head{position:relative;z-index:10;min-height:72px;padding:10px 19px;border-bottom-color:#dbe6eb;background:rgba(255,255,255,.97)}
  .inverchat-docente .inverchat-group-info{max-width:min(700px,80%);padding:6px 9px;border-radius:14px}
  .inverchat-docente .inverchat-chat-head-copy strong{font-size:.85rem;color:#173653}
  .inverchat-docente .inverchat-chat-head-copy small{margin-top:4px;font-size:.61rem}
  .inverchat-docente .inverchat-members{top:66px;left:19px;width:min(390px,calc(100% - 38px));border-radius:16px;box-shadow:0 18px 45px rgba(18,53,75,.19)}
  .inverchat-docente .inverchat-messages{padding:24px 28px;background-color:#edf4f4;background-image:radial-gradient(circle at 14px 14px,rgba(31,94,109,.045) 1.5px,transparent 1.5px),linear-gradient(135deg,rgba(255,255,255,.2),rgba(218,235,234,.12));background-size:28px 28px,100% 100%}
  .inverchat-docente .inverchat-watermark{opacity:.055}
  .inverchat-docente .inverchat-empty>div{padding:25px 34px;border:1px solid rgba(205,220,227,.8);border-radius:20px;background:rgba(255,255,255,.62);box-shadow:0 12px 34px rgba(35,70,90,.06);backdrop-filter:blur(3px)}
  .inverchat-docente .inverchat-empty i{margin-bottom:13px;color:#0f8a76;font-size:2.15rem}
  .inverchat-docente .inverchat-empty strong{display:block;color:#284a63;font-size:.95rem}
  .inverchat-docente .inverchat-empty p{margin:7px 0 0;font-size:.7rem}
  .inverchat-docente .inverchat-bubble{padding:10px 12px;border-radius:6px 16px 16px 16px;box-shadow:0 4px 12px rgba(22,55,75,.07)}
  .inverchat-docente .inverchat-row.own .inverchat-bubble{border-radius:16px 6px 16px 16px}
  .inverchat-docente .inverchat-compose{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:9px;padding:10px 14px;border-top-color:#d8e5ea;box-shadow:0 -5px 18px rgba(38,72,91,.04)}
  .inverchat-docente .inverchat-replying,.inverchat-docente .inverchat-audio-preview,.inverchat-docente .inverchat-emoji,.inverchat-docente .inverchat-attach-menu{grid-column:1/-1}
  .inverchat-docente .inverchat-tools{gap:4px;padding:0}
  .inverchat-docente .inverchat-tools button{width:38px;height:38px;border-radius:11px;background:#f1f6f8;color:#496c83}
  .inverchat-docente .inverchat-tools button:hover{background:#e3f0f2;color:#087963}
  .inverchat-docente .inverchat-compose-row{padding:0}
  .inverchat-docente .inverchat-compose textarea{min-height:44px;padding:12px 15px;border-color:#d2e0e7;border-radius:15px;background:#f8fafb;font-size:.75rem;outline:none}
  .inverchat-docente .inverchat-compose textarea:focus{border-color:#70b8ac;box-shadow:0 0 0 3px rgba(22,151,122,.1);background:#fff}
  .inverchat-docente .inverchat-send{width:44px;height:44px;background:linear-gradient(145deg,#0a9076,#08725f);box-shadow:0 7px 16px rgba(11,128,107,.22);transition:transform .16s,box-shadow .16s}
  .inverchat-docente .inverchat-send:hover{transform:translateY(-1px);box-shadow:0 9px 20px rgba(11,128,107,.28)}
}

@media(min-width:901px) and (max-height:620px){
  .inverchat-view.inverchat-docente.open{grid-template-rows:66px minmax(0,1fr)}
  .inverchat-docente .inverchat-top{min-height:66px}
  .inverchat-docente .inverchat-layout{height:calc(100% - 16px);min-height:0;margin:8px auto}
  .inverchat-docente .inverchat-summary{margin-top:12px;padding:12px 15px}
}
.pd-chat-live.sync-error{background:#fff2d6!important;color:#8a5a00!important;border-color:#e7c16f!important;animation:none!important}