.jfr-chat-callbar{display:flex;gap:7px;flex-wrap:wrap;margin-top:10px}.jfr-chat-callbar button{border:1px solid #cfe4ea;border-radius:10px;padding:8px 11px;font-size:9px;font-weight:900;background:#fff;color:#0c5066;cursor:pointer}.jfr-chat-callbar button:disabled{opacity:.4;cursor:not-allowed}.jfr-chat-callbar .jfr-call-audio-btn{background:#eafbf3;border-color:#bdebd3;color:#16734c}.jfr-chat-callbar .jfr-call-video-btn{background:#eaf8fd;border-color:#b9e5f1;color:#086d89}.jfr-chat-callbar .jfr-call-history-btn{margin-left:auto}
.jfr-call-incoming{position:fixed;inset:0;z-index:7800;background:rgba(4,22,32,.48);backdrop-filter:blur(8px);display:none;align-items:flex-start;justify-content:center;padding:24px}.jfr-call-incoming.open{display:flex}.jfr-call-incoming-card{margin-top:min(13vh,110px);width:min(520px,94vw);background:#fff;border:1px solid #d5e9ee;border-radius:24px;box-shadow:0 28px 90px rgba(2,31,44,.3);padding:20px;display:grid;grid-template-columns:70px 1fr;gap:14px;align-items:center}.jfr-call-avatar{width:66px;height:66px;border-radius:20px;background:linear-gradient(135deg,#0ab5d0,#0a617c);color:#fff;display:grid;place-items:center;font-weight:1000;font-size:20px;box-shadow:0 10px 24px rgba(4,139,167,.25)}.jfr-call-incoming-copy{min-width:0}.jfr-call-incoming-copy small{display:block;color:#6590a0;font-size:10px}.jfr-call-incoming-copy b{display:block;font-size:18px;color:#123e50;margin:3px 0}.jfr-call-incoming-copy span{font-size:11px;color:#557a89}.jfr-call-incoming-actions{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:4px}.jfr-call-incoming-actions button{border:0;border-radius:14px;padding:13px;font-weight:900;cursor:pointer}.jfr-call-decline{background:#fff0f2;color:#a62b3b}.jfr-call-accept{background:#13a871;color:#fff}
.jfr-call-overlay{position:fixed;inset:0;z-index:7900;background:radial-gradient(circle at 50% 20%,#155e73,#082a3a 55%,#041923);display:none;align-items:center;justify-content:center;padding:18px}.jfr-call-overlay.open{display:flex}.jfr-call-stage{width:min(940px,96vw);height:min(760px,94vh);display:grid;grid-template-rows:auto 1fr auto;color:#fff}.jfr-call-top{display:flex;align-items:center;justify-content:space-between;padding:10px 4px 16px}.jfr-call-top b{display:block;font-size:18px}.jfr-call-top small{display:block;color:#a9d8e3;margin-top:3px}.jfr-call-top span{font-variant-numeric:tabular-nums;font-weight:900;background:rgba(255,255,255,.1);padding:7px 11px;border-radius:999px}.jfr-call-media{position:relative;min-height:0;border-radius:24px;overflow:hidden;background:linear-gradient(145deg,#0b3748,#092331);box-shadow:inset 0 0 0 1px rgba(255,255,255,.09)}#jfrRemoteVideo{width:100%;height:100%;object-fit:cover;background:#071d29;display:none}#jfrLocalVideo{position:absolute;right:18px;bottom:18px;width:min(28%,210px);aspect-ratio:3/4;object-fit:cover;border-radius:16px;border:2px solid rgba(255,255,255,.75);box-shadow:0 12px 32px rgba(0,0,0,.35);display:none;background:#0d3342}.jfr-call-voice-avatar{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px}.jfr-call-voice-avatar>div{width:128px;height:128px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#16c8dc,#08708b);font-size:35px;font-weight:1000;box-shadow:0 0 0 14px rgba(255,255,255,.05),0 20px 55px rgba(0,0,0,.25)}.jfr-call-voice-avatar b{font-size:24px}.jfr-call-voice-avatar small{color:#a9d8e3}.jfr-call-media-note{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);background:rgba(1,18,27,.62);border:1px solid rgba(255,255,255,.13);padding:8px 12px;border-radius:999px;font-size:10px;white-space:nowrap}.jfr-call-controls{display:flex;align-items:center;justify-content:center;gap:12px;padding:18px 4px 2px}.jfr-call-controls button{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.11);color:#fff;border-radius:999px;padding:12px 18px;font-weight:900;cursor:pointer}.jfr-call-controls .jfr-call-end{background:#e84b57;border-color:#e84b57;min-width:110px}
.jfr-call-history-overlay{position:fixed;inset:0;z-index:7850;background:rgba(4,22,32,.5);backdrop-filter:blur(7px);display:none;align-items:center;justify-content:center;padding:18px}.jfr-call-history-overlay.open{display:flex}.jfr-call-history-card{width:min(520px,95vw);max-height:80vh;background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 25px 80px rgba(0,0,0,.25)}.jfr-call-history-head{display:flex;align-items:center;justify-content:space-between;padding:15px 17px;border-bottom:1px solid #e2edf0}.jfr-call-history-head b{display:block;color:#113f51}.jfr-call-history-head small{display:block;color:#7493a0;margin-top:3px}.jfr-call-history-head button{border:0;background:#edf5f7;border-radius:10px;padding:7px 10px}.jfr-call-history-body{max-height:60vh;overflow:auto;padding:8px 14px 14px}.jfr-call-history-row{display:grid;grid-template-columns:42px 1fr;gap:10px;align-items:center;padding:11px 2px;border-bottom:1px solid #edf2f4}.jfr-call-history-icon{width:38px;height:38px;border-radius:12px;background:#eef9fb;display:grid;place-items:center}.jfr-call-history-row b{display:block;color:#173f4f;font-size:11px}.jfr-call-history-row small{display:block;color:#7a98a4;font-size:9px;margin-top:3px}.jfr-call-history-empty{padding:34px;text-align:center;color:#78949f}
@media(max-width:700px){.jfr-chat-callbar{display:grid;grid-template-columns:1fr 1fr}.jfr-chat-callbar .jfr-call-history-btn{grid-column:1/-1;margin-left:0}.jfr-call-incoming{padding:12px}.jfr-call-incoming-card{margin-top:16vh;grid-template-columns:56px 1fr;padding:16px;border-radius:20px}.jfr-call-avatar{width:54px;height:54px;border-radius:17px}.jfr-call-stage{width:100%;height:100%;}.jfr-call-overlay{padding:max(10px,env(safe-area-inset-top)) 10px max(12px,env(safe-area-inset-bottom))}.jfr-call-media{border-radius:19px}.jfr-call-voice-avatar>div{width:105px;height:105px;font-size:29px}.jfr-call-voice-avatar b{font-size:20px}#jfrLocalVideo{right:10px;bottom:10px;width:30%;border-radius:12px}.jfr-call-controls{gap:8px}.jfr-call-controls button{padding:11px 14px;font-size:11px}.jfr-call-media-note{bottom:12px;max-width:80vw;overflow:hidden;text-overflow:ellipsis}.jfr-call-top{padding-top:7px}}


/* V2.5.6.8 Messenger controls */
.staff-msg{position:relative}.staff-msg-actions{display:flex;gap:5px;margin-top:7px;opacity:.72;transition:opacity .18s ease}.staff-msg:hover .staff-msg-actions{opacity:1}.staff-msg-actions button{border:1px solid rgba(19,94,116,.16);background:rgba(255,255,255,.76);color:#315d6b;border-radius:999px;padding:4px 8px;font-size:7.5px;font-weight:900;cursor:pointer}.staff-msg-actions button:hover{transform:translateY(-1px);box-shadow:0 4px 10px rgba(2,48,64,.08)}.staff-msg-actions .delete{color:#a73543;border-color:rgba(185,49,65,.18)}.staff-msg-unsent{opacity:.78}.staff-msg-unsent em{font-style:italic;opacity:.72}.staff-msg.student .staff-msg-actions{display:none}

/* V2.5.6.8 premium incoming call */
.jfr-call-incoming{background:radial-gradient(circle at 50% 20%,rgba(20,183,210,.22),transparent 36%),rgba(2,18,28,.68);backdrop-filter:blur(16px) saturate(125%)}
.jfr-call-incoming-card{position:relative;isolation:isolate;overflow:hidden;background:linear-gradient(145deg,rgba(255,255,255,.98),rgba(239,251,253,.96));border:1px solid rgba(184,229,237,.9);box-shadow:0 36px 110px rgba(0,27,39,.42);animation:jfrIncomingPop .42s cubic-bezier(.2,.9,.25,1.18)}
.jfr-call-incoming-card:before{content:'';position:absolute;inset:-45% 35% 35% -35%;background:radial-gradient(circle,rgba(20,190,215,.20),transparent 64%);z-index:-1;animation:jfrAmbientFloat 4s ease-in-out infinite alternate}
.jfr-call-avatar{position:relative;isolation:isolate;border-radius:50%;background:linear-gradient(145deg,#15c7de,#08718d);box-shadow:0 0 0 8px rgba(19,184,207,.09),0 14px 34px rgba(4,139,167,.30);animation:jfrAvatarBreathe 1.65s ease-in-out infinite}
.jfr-call-avatar:before,.jfr-call-avatar:after{content:'';position:absolute;inset:-10px;border-radius:50%;border:2px solid rgba(12,179,207,.25);z-index:-1;animation:jfrRing 1.9s ease-out infinite}.jfr-call-avatar:after{animation-delay:.7s}
.jfr-call-incoming-copy small{font-weight:900;letter-spacing:.7px;text-transform:uppercase;color:#1a8ca5}.jfr-call-incoming-copy b{font-size:20px}.jfr-call-incoming-actions button{transition:transform .18s ease,box-shadow .18s ease,filter .18s ease}.jfr-call-incoming-actions button:hover{transform:translateY(-2px)}.jfr-call-decline{box-shadow:0 8px 20px rgba(169,48,64,.08)}.jfr-call-accept{background:linear-gradient(135deg,#17b97d,#0b9665);box-shadow:0 12px 28px rgba(10,155,103,.28);animation:jfrAcceptGlow 1.8s ease-in-out infinite}

/* V2.5.6.8 premium active call */
.jfr-call-overlay{isolation:isolate;background:radial-gradient(circle at 50% 10%,#157089 0,#0a4055 27%,#061f2d 63%,#03131c 100%);overflow:hidden}.jfr-call-overlay:before,.jfr-call-overlay:after{content:'';position:absolute;border-radius:50%;filter:blur(8px);opacity:.28;z-index:-1}.jfr-call-overlay:before{width:48vw;height:48vw;left:-16vw;top:-18vw;background:radial-gradient(circle,#1dd7ec,transparent 68%);animation:jfrOrbDrift 9s ease-in-out infinite alternate}.jfr-call-overlay:after{width:44vw;height:44vw;right:-14vw;bottom:-22vw;background:radial-gradient(circle,#1b8ed7,transparent 70%);animation:jfrOrbDrift 11s ease-in-out infinite alternate-reverse}.jfr-call-stage{position:relative;padding:12px;border:1px solid rgba(255,255,255,.10);border-radius:30px;background:linear-gradient(145deg,rgba(255,255,255,.065),rgba(255,255,255,.025));backdrop-filter:blur(18px);box-shadow:0 36px 120px rgba(0,0,0,.28);animation:jfrStageIn .38s ease-out}.jfr-call-top{padding:6px 9px 16px}.jfr-call-top>div{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.jfr-call-top b{font-size:20px;letter-spacing:.15px}.jfr-call-top small{position:relative;margin:0;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.10);padding:5px 9px 5px 20px;border-radius:999px}.jfr-call-top small:before{content:'';position:absolute;left:8px;top:50%;width:7px;height:7px;border-radius:50%;background:#3de0ac;transform:translateY(-50%);box-shadow:0 0 0 0 rgba(61,224,172,.55);animation:jfrStatusPulse 1.6s infinite}.jfr-call-top span{background:rgba(0,0,0,.18);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(8px)}.jfr-call-media{border:1px solid rgba(255,255,255,.11);background:radial-gradient(circle at 50% 35%,rgba(20,154,183,.25),transparent 32%),linear-gradient(145deg,#0b394b,#071e2a);box-shadow:inset 0 0 80px rgba(0,0,0,.18),0 22px 70px rgba(0,0,0,.20)}.jfr-call-voice-avatar>div{position:relative;isolation:isolate;background:linear-gradient(145deg,#22d4e7,#08758f);box-shadow:0 0 0 13px rgba(255,255,255,.045),0 0 0 26px rgba(23,194,216,.045),0 22px 65px rgba(0,0,0,.30);animation:jfrVoiceBreathe 1.7s ease-in-out infinite}.jfr-call-voice-avatar>div:before,.jfr-call-voice-avatar>div:after{content:'';position:absolute;inset:-16px;border-radius:50%;border:2px solid rgba(50,220,236,.20);z-index:-1;animation:jfrRing 2.2s ease-out infinite}.jfr-call-voice-avatar>div:after{animation-delay:.9s}.jfr-call-voice-avatar b{margin-top:7px;text-shadow:0 4px 18px rgba(0,0,0,.18)}.jfr-call-media-note{backdrop-filter:blur(10px);box-shadow:0 8px 25px rgba(0,0,0,.16)}.jfr-call-controls button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;transition:transform .16s ease,background .16s ease,box-shadow .16s ease}.jfr-call-controls button:hover{transform:translateY(-2px);background:rgba(255,255,255,.17)}.jfr-call-controls .jfr-call-end{background:linear-gradient(135deg,#ef5964,#d93849);box-shadow:0 12px 30px rgba(217,56,73,.28)}.jfr-call-controls .jfr-call-end:hover{background:linear-gradient(135deg,#f26973,#e33e50)}#jfrLocalVideo{box-shadow:0 18px 44px rgba(0,0,0,.42),0 0 0 5px rgba(255,255,255,.06)}
@keyframes jfrIncomingPop{from{opacity:0;transform:translateY(18px) scale(.94)}to{opacity:1;transform:none}}@keyframes jfrAmbientFloat{to{transform:translate(12%,10%) scale(1.12)}}@keyframes jfrAvatarBreathe{50%{transform:scale(1.045);box-shadow:0 0 0 11px rgba(19,184,207,.07),0 18px 40px rgba(4,139,167,.34)}}@keyframes jfrRing{0%{transform:scale(.78);opacity:.7}100%{transform:scale(1.5);opacity:0}}@keyframes jfrAcceptGlow{50%{box-shadow:0 14px 34px rgba(10,155,103,.40)}}@keyframes jfrOrbDrift{to{transform:translate(8vw,5vw) scale(1.12)}}@keyframes jfrStageIn{from{opacity:0;transform:scale(.975) translateY(9px)}to{opacity:1;transform:none}}@keyframes jfrStatusPulse{70%{box-shadow:0 0 0 8px rgba(61,224,172,0)}100%{box-shadow:0 0 0 0 rgba(61,224,172,0)}}@keyframes jfrVoiceBreathe{50%{transform:scale(1.035)}}
@media(max-width:700px){.staff-msg-actions{opacity:1}.staff-msg-actions button{font-size:7px;padding:4px 7px}.jfr-call-incoming-card{margin-top:12vh}.jfr-call-stage{border-radius:22px;padding:7px}.jfr-call-top b{font-size:17px}.jfr-call-top small{font-size:9px}.jfr-call-controls button{min-height:44px}.jfr-call-overlay:before,.jfr-call-overlay:after{width:75vw;height:75vw}}
@media(prefers-reduced-motion:reduce){.jfr-call-incoming-card,.jfr-call-avatar,.jfr-call-avatar:before,.jfr-call-avatar:after,.jfr-call-accept,.jfr-call-overlay:before,.jfr-call-overlay:after,.jfr-call-stage,.jfr-call-voice-avatar>div,.jfr-call-voice-avatar>div:before,.jfr-call-voice-avatar>div:after,.jfr-call-top small:before{animation:none!important}}