/* Isolated, mobile responsive Bio Gurukul Messaging workspace */
.bgk-chat,.bgk-chat *{box-sizing:border-box}.bgk-chat{--bgk-purple:#7024d8;--bgk-indigo:#321760;--bgk-muted:#69718b;max-width:1500px;margin:20px auto 36px;padding:18px;overflow:hidden;border:1px solid #e5e1f3;border-radius:22px;background:#fff;color:#19142e;font-family:Inter,system-ui,-apple-system,sans-serif;box-shadow:0 12px 36px #2f17520b}.bgk-chat-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:6px 5px 18px}.bgk-chat-kicker{font-size:10px;letter-spacing:.12em;font-weight:850;color:#6d23d0}.bgk-chat-top h2{margin:2px 0 4px;color:#241448;font-size:clamp(20px,2.2vw,29px);font-weight:850;line-height:1.2}.bgk-chat-top p{margin:0;color:#647089;font-size:12.5px;line-height:1.45}.bgk-chat-connection{flex:none;font-size:11px;font-weight:800;color:#187950}.bgk-chat-connection.offline{color:#bc571b}.bgk-chat-shell{display:grid;grid-template-columns:minmax(220px,300px) minmax(0,1fr);height:min(680px,75vh);min-height:430px;border:1px solid #e4e3f3;border-radius:16px;overflow:hidden}.bgk-chat-left{display:flex;flex-direction:column;min-width:0;background:#faf9ff;border-right:1px solid #ece8f5}.bgk-chat-switch{display:flex;gap:5px;padding:9px 9px 4px}.bgk-chat button{cursor:pointer;font:inherit}.bgk-chat-switch button{flex:1;min-width:0;border:0;background:#eeeaf8;color:#554c70;padding:9px 7px;border-radius:10px;font-size:12px;font-weight:800;line-height:1.3}.bgk-chat-switch button.is-active{background:#7126dd;color:#fff;box-shadow:0 2px 10px #6a24d42e}.bgk-chat-search{display:block;padding:7px 10px 9px}.bgk-chat-search input{display:block;width:100%;height:37px;padding:8px 12px;border:1px solid #e2dcee;border-radius:10px;background:#fff;font-size:12px;outline-color:#7126dd}.bgk-chat-rooms{flex:1;overflow-y:auto;padding:0 6px 10px;scrollbar-width:thin}.bgk-chat-room{width:100%;display:flex;align-items:center;gap:9px;text-align:left;border:1px solid transparent;background:transparent;padding:11px 8px;margin:3px 0;border-radius:12px;color:#251d43;min-width:0}.bgk-chat-room.is-active{background:#fff;border-color:#ded1f8;box-shadow:0 2px 10px #38236e0b}.bgk-chat-room:hover{background:#f2effc}.bgk-chat-avatar{flex:none;width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:#e9dfff;color:#6028b6;font-weight:900;font-size:14px}.bgk-chat-room-label{min-width:0;flex:1}.bgk-chat-room-label strong{display:block;font-weight:800;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bgk-chat-room-label small{display:block;color:#78819a;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bgk-chat-unread{height:9px;width:9px;background:#32b77f;border-radius:99px;flex:none}.bgk-chat-right{display:flex;flex-direction:column;min-width:0;background:#fff}.bgk-chat-roomhead{min-height:65px;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 16px;border-bottom:1px solid #efedf6}.bgk-chat-roomhead strong{display:block;color:#1b143c;font-size:14px;font-weight:850}.bgk-chat-roomhead small{display:block;color:#79819a;font-size:11px;margin-top:2px}.bgk-chat-mode{display:flex;align-items:center;gap:7px;color:#572894;font-size:11px;font-weight:750;white-space:nowrap}.bgk-chat-mode[hidden]{display:none}.bgk-chat-mode input{width:15px;height:15px;min-width:15px;accent-color:#7024d8}.bgk-chat-stream{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:11px;padding:19px 15px;background:radial-gradient(circle at 95% 2%,#f9f6ff 0,transparent 43%),#fff;scrollbar-width:thin}.bgk-chat-hint{font-size:12px;line-height:1.6;color:#7e7795;padding:18px 10px;text-align:center}.bgk-chat-bubble{max-width:min(86%,610px);align-self:flex-start;padding:10px 13px;border:1px solid #eeeaf6;border-radius:15px 15px 15px 4px;background:#f6f4fb;overflow-wrap:anywhere;box-shadow:0 2px 6px #2d14520a}.bgk-chat-bubble.is-mine{align-self:flex-end;border-color:#d8c5fa;border-radius:15px 15px 4px 15px;background:#f0eaff}.bgk-chat-bubble-meta{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}.bgk-chat-bubble-meta strong{font-size:11px;font-weight:850;color:#543084}.bgk-chat-bubble-meta time{font-size:10px;color:#7f8196}.bgk-chat-bubble-text{white-space:pre-wrap;margin:6px 0 0;font-size:13px;line-height:1.5;color:#28203f}.bgk-chat-moderate{border:0;background:transparent;color:#7a4abb;padding:5px 0 0;font-weight:750;font-size:10px}.bgk-chat-moderate:hover{text-decoration:underline}.bgk-chat-feedback{margin:0;min-height:0;padding:0 17px;color:#267748;font-size:11px}.bgk-chat-feedback:not(:empty){padding-top:8px}.bgk-chat-feedback.is-error{color:#c23e43}.bgk-chat-compose{display:flex;gap:9px;align-items:end;padding:12px 14px 9px;border-top:1px solid #efeef6}.bgk-chat-compose textarea{flex:1;min-width:0;min-height:46px;max-height:120px;resize:vertical;padding:10px 12px;border:1px solid #dcd7ec;border-radius:11px;background:#fff;font-family:inherit;font-size:13px;color:#2a1949;line-height:1.4;outline-color:#7126dd}.bgk-chat-compose button{border:0;border-radius:11px;padding:12px 17px;background:#7126dd;color:#fff;font-size:12px;font-weight:800;white-space:nowrap}.bgk-chat-compose button:disabled{opacity:.5;cursor:not-allowed}.bgk-chat-footer{color:#8390a1;font-size:10px;padding:0 15px 10px}.bgk-chat .screen-reader-text{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.bgk-chat button:focus-visible,.bgk-chat a:focus-visible,.bgk-chat input:focus-visible,.bgk-chat textarea:focus-visible{outline:3px solid #9c6af4;outline-offset:2px}
@media(max-width:700px){.bgk-chat{padding:10px;border-radius:17px}.bgk-chat-top{padding:7px 7px 12px;flex-wrap:wrap}.bgk-chat-top p{font-size:11px}.bgk-chat-shell{grid-template-columns:1fr;grid-template-rows:173px minmax(330px,1fr);height:650px;min-height:0}.bgk-chat-left{border-right:0;border-bottom:1px solid #ece8f5}.bgk-chat-switch{padding:7px}.bgk-chat-switch button{padding:7px}.bgk-chat-search{padding:0 7px 4px}.bgk-chat-search input{height:32px}.bgk-chat-rooms{display:flex;align-items:stretch;gap:5px;overflow-x:auto;overflow-y:hidden;padding:4px 8px 7px}.bgk-chat-room{flex:0 0 165px;padding:8px;gap:5px;margin:0}.bgk-chat-avatar{width:27px;height:27px;border-radius:8px}.bgk-chat-room-label strong{font-size:11px}.bgk-chat-room-label small{font-size:10px}.bgk-chat-right{min-height:0}.bgk-chat-roomhead{padding:10px;min-height:59px;flex-wrap:wrap}.bgk-chat-roomhead strong{font-size:12px}.bgk-chat-roomhead small{font-size:10px}.bgk-chat-stream{padding:12px 9px}.bgk-chat-compose{padding:9px;gap:6px}.bgk-chat-compose button{padding:13px 10px}.bgk-chat-bubble{max-width:92%}.bgk-chat-footer{font-size:9px;padding:0 10px 9px}}
.bgk-chat-reports{border:1px solid #e7d7fd;border-radius:12px;padding:12px;margin-top:18px;background:#fdfbff}.bgk-chat-reports summary{cursor:pointer;color:#45177d;font-weight:850;font-size:13px}.bgk-chat-reports summary span{margin-left:5px;padding:2px 7px;border-radius:50px;background:#f0dfff;color:#5d24a5}.bgk-chat-reports p{font-size:12px;color:#6e6784}.bgk-chat-report-item{display:flex;align-items:center;gap:12px;padding:10px;border-top:1px solid #efebf6;flex-wrap:wrap}.bgk-chat-report-item>div{flex:1;min-width:120px}.bgk-chat-report-item strong,.bgk-chat-report-item small{display:block}.bgk-chat-report-item strong{font-size:12px}.bgk-chat-report-item small{font-size:11px;color:#71778b}.bgk-chat-report-item a{font-size:11px;font-weight:800;color:#6324af}.bgk-chat-report-item button{padding:7px 11px;border:1px solid #e4d6f9;border-radius:8px;background:#fff;color:#7134b9;font-size:11px;font-weight:750}

/* Student, teacher and admin floating inbox (v10.10.163). */
.bgk-floating-chat,.bgk-floating-chat *{box-sizing:border-box}
.bgk-floating-chat{position:fixed!important;right:18px;bottom:18px;z-index:2147480000;font-family:Inter,system-ui,sans-serif;line-height:1.4;color:#201636}
.bgk-floating-chat-toggle{appearance:none;display:flex;align-items:center;justify-content:center;gap:10px;border:0;border-radius:999px;background:linear-gradient(120deg,#6212c8,#9b19e1);color:#fff;font-weight:800;font-size:14px;padding:13px 19px;box-shadow:0 12px 34px #4b16a54d;cursor:pointer;min-height:52px;min-width:90px}
.bgk-floating-chat-toggle:hover{filter:brightness(1.08)}
.bgk-floating-chat-toggle:focus-visible,.bgk-floating-chat-close:focus-visible{outline:3px solid #9f6af5;outline-offset:3px}
.bgk-floating-chat-window{position:absolute;bottom:70px;right:0;width:min(430px,calc(100vw - 28px));height:min(660px,calc(100dvh - 120px));min-height:310px;display:flex;flex-direction:column;background:#fff;box-shadow:0 24px 62px #17092a63;border-radius:20px;overflow:hidden;border:1px solid #e9e3fa}
.bgk-floating-chat-window[hidden]{display:none!important}
.bgk-floating-chat-titlebar{display:flex;flex:none;justify-content:space-between;align-items:center;gap:10px;background:linear-gradient(110deg,#32114e,#7623d0);color:#fff;padding:12px 14px}
.bgk-floating-chat-titlebar strong,.bgk-floating-chat-titlebar small{display:block;color:#fff}.bgk-floating-chat-titlebar strong{font-size:15px;font-weight:850}.bgk-floating-chat-titlebar small{font-size:11px;opacity:.85;margin-top:1px}
.bgk-floating-chat-close{appearance:none;border:1px solid #ffffff50;border-radius:50%;background:#ffffff24;color:#fff;font-size:27px;line-height:28px;cursor:pointer;width:34px;height:34px;flex:none}
.bgk-floating-chat-window .bgk-chat{flex:1;display:flex;flex-direction:column;min-height:0;margin:0;padding:0;border:0;border-radius:0;box-shadow:none;max-width:none;width:100%;overflow:hidden}
.bgk-floating-chat-window .bgk-chat-top{flex:none;padding:8px 12px 5px}
.bgk-floating-chat-window .bgk-chat-top h2{font-size:15px;margin:0}
.bgk-floating-chat-window .bgk-chat-top p,.bgk-floating-chat-window .bgk-chat-kicker{display:none}
.bgk-floating-chat-window .bgk-chat-connection{font-size:10px}
.bgk-floating-chat-window .bgk-chat-shell{flex:1;min-height:0;height:auto;display:flex;flex-direction:column;border:0;border-radius:0;overflow:hidden}
.bgk-floating-chat-window .bgk-chat-left{height:130px;flex:none;min-height:0;width:100%;border-right:0;border-bottom:1px solid #ece8f5}
.bgk-floating-chat-window .bgk-chat-switch{padding:6px 9px 0}
.bgk-floating-chat-window .bgk-chat-switch button{padding:6px 5px;font-size:11px}
.bgk-floating-chat-window .bgk-chat-search{padding:4px 8px}
.bgk-floating-chat-window .bgk-chat-search input{height:29px;padding:5px 9px;font-size:11px}
.bgk-floating-chat-window .bgk-chat-rooms{display:flex;overflow-x:auto;overflow-y:hidden;padding:5px 7px;gap:5px;scrollbar-width:thin}
.bgk-floating-chat-window .bgk-chat-room{flex:0 0 160px;margin:0;padding:5px;gap:6px}
.bgk-floating-chat-window .bgk-chat-avatar{width:28px;height:28px;border-radius:8px}
.bgk-floating-chat-window .bgk-chat-right{flex:1;min-height:0}
.bgk-floating-chat-window .bgk-chat-roomhead{padding:7px 11px;min-height:50px;flex:none}
.bgk-floating-chat-window .bgk-chat-stream{min-height:0;padding:9px 10px;gap:7px}
.bgk-floating-chat-window .bgk-chat-bubble{max-width:92%;padding:7px 9px}
.bgk-floating-chat-window .bgk-chat-quick{flex:none;border-top:1px solid #eeeaf8;padding:7px 8px 6px;background:#fcfaff}
.bgk-floating-chat-window .bgk-chat-quick>span{display:block;font-size:10px;color:#6c5993;font-weight:850;margin:0 0 5px 3px}
.bgk-floating-chat-window .bgk-chat-quick-options{display:flex;overflow-x:auto;gap:6px;scrollbar-width:thin;padding-bottom:3px}
.bgk-floating-chat-window .bgk-chat-quick-options button{white-space:nowrap;flex:none;padding:6px 8px;border:1px solid #e0cff9;border-radius:15px;background:#f4eefd;color:#51238b;font-size:10.5px;font-weight:750;max-width:245px;overflow:hidden;text-overflow:ellipsis}
.bgk-floating-chat-window .bgk-chat-quick-options button:hover{background:#e9ddff}
.bgk-floating-chat-window .bgk-chat-compose{padding:8px;gap:6px;flex:none}
.bgk-floating-chat-window .bgk-chat-compose textarea{min-height:40px;max-height:85px;padding:8px 9px;font-size:12px}
.bgk-floating-chat-window .bgk-chat-compose button{padding:11px 10px}
.bgk-floating-chat-window .bgk-chat-footer{padding:0 10px 7px}
.bgk-floating-chat-full{display:block;flex:none;padding:6px 10px;background:#f9f5ff;color:#6430a8;text-align:center;font-size:11px;font-weight:750;text-decoration:none!important;border-top:1px solid #ebe4f8}
.bgk-floating-chat-window .bgk-chat-feedback{font-size:10px}
@media(max-width:600px){.bgk-floating-chat{right:12px;bottom:max(12px,env(safe-area-inset-bottom))}.bgk-floating-chat-toggle{width:57px;min-width:57px;height:57px;min-height:57px;border-radius:50%;padding:0}.bgk-floating-chat-label{display:none}.bgk-floating-chat-window{right:-4px;bottom:68px;width:calc(100vw - 16px);max-width:430px;height:min(650px,calc(100dvh - 106px));border-radius:18px}.bgk-floating-chat-window .bgk-chat-left{height:117px}.bgk-floating-chat-window .bgk-chat-roomhead{min-height:48px}}

/* Keep the staff chat button above existing third-party Agent widgets when present. */
.bgk-floating-chat.bgk-floating-chat-staff{bottom:80px}
@media(max-width:600px){.bgk-floating-chat.bgk-floating-chat-staff{bottom:max(76px,calc(env(safe-area-inset-bottom) + 76px))}}
/* Bio Gurukul 10.10.177 – compact WhatsApp Web-style staff messenger.
   Deliberately scoped: student messenger remains unchanged. */
.bgk-chat.bgk-chat--staff{--bgk-chat-accent:#6d27d3;--bgk-chat-ink:#192b33;--bgk-chat-muted:#697f89;--bgk-chat-line:#e3e9ed;max-width:1370px;padding:12px;border-radius:19px;background:#f8faff;border:1px solid #e5e9f2;box-shadow:0 15px 38px rgba(18,37,57,.08)}
.bgk-chat--staff .bgk-chat-top{padding:4px 8px 11px}
.bgk-chat--staff .bgk-chat-top h2{font-size:21px;margin:2px 0;color:#172a33}
.bgk-chat--staff .bgk-chat-top p{font-size:11px;max-width:570px;color:#788a97}
.bgk-chat--staff .bgk-chat-shell{grid-template-columns:minmax(260px,34%) minmax(0,1fr);min-height:475px;height:min(670px,77vh);border:1px solid #dfe6ec;border-radius:14px;background:#fff;box-shadow:0 5px 22px rgba(22,52,69,.05)}
.bgk-chat--staff .bgk-chat-left{background:#fff;border-right:1px solid #e5eaf0}
.bgk-chat--staff .bgk-chat-inbox-head{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:57px;padding:10px 13px;border-bottom:1px solid #f0f2f5}
.bgk-chat--staff .bgk-chat-inbox-head strong{display:block;font-size:16px;font-weight:900;color:#1e2d37;line-height:1.1}
.bgk-chat--staff .bgk-chat-inbox-head small{display:block;margin-top:4px;font-size:10px;color:#758694;font-weight:700}
.bgk-chat--staff .bgk-chat-inbox-head button{border:1px solid #e0e5eb;border-radius:999px;background:#f5f7f9;color:#5e6d7c;font-size:11px;font-weight:850;padding:7px 13px;white-space:nowrap}
.bgk-chat--staff .bgk-chat-inbox-head button.is-active,.bgk-chat--staff .bgk-chat-inbox-head button[aria-pressed=true]{background:#e6f8ef;color:#117e54;border-color:#bbeacf}
.bgk-chat--staff .bgk-chat-switch{padding:9px 12px 4px;gap:8px}
.bgk-chat--staff .bgk-chat-switch button{flex:0 0 auto;border-radius:999px;padding:7px 15px;font-size:11px;color:#657281;background:#f2f4f7}
.bgk-chat--staff .bgk-chat-switch button.is-active{background:#e9e1ff;color:#5d23aa;box-shadow:none}
.bgk-chat--staff .bgk-chat-search{padding:8px 12px 10px}
.bgk-chat--staff .bgk-chat-search input{height:39px;border-radius:11px;background:#f6f8fa;border:1px solid #e9eef1;font-size:12px;color:#22313b;padding-left:14px}
.bgk-chat--staff .bgk-chat-rooms{padding:3px 5px 12px}
.bgk-chat--staff .bgk-chat-room{border:0;border-bottom:1px solid #f1f3f5;border-radius:0;padding:12px 10px;min-height:65px;margin:0;gap:10px;color:#152935;transition:background .13s ease}
.bgk-chat--staff .bgk-chat-room:hover{background:#f6f5fb}
.bgk-chat--staff .bgk-chat-room.is-active{background:#f0edfb;border-left:3px solid #8b53df;padding-left:7px;box-shadow:none}
.bgk-chat--staff .bgk-chat-avatar{width:40px;height:40px;flex:none;border-radius:50%;background:linear-gradient(135deg,#e6e1fc,#dceaf5);color:#5930aa;font-size:16px}
.bgk-chat--staff .bgk-chat-room-first{display:flex;justify-content:space-between;align-items:center;gap:10px;min-width:0}
.bgk-chat--staff .bgk-chat-room-first strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12.5px;font-weight:850;color:#243643;min-width:0}
.bgk-chat--staff .bgk-chat-room-first time{white-space:nowrap;font-size:9.5px;color:#84909b;flex:none}
.bgk-chat--staff .bgk-chat-room-label small{margin-top:4px;font-size:11px;color:#778a99;max-width:100%}
.bgk-chat--staff .bgk-chat-room.has-unread .bgk-chat-room-label strong{color:#0b684b}
.bgk-chat--staff .bgk-chat-unread{width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#1daf72;color:#fff;font-size:10px;font-weight:900}
.bgk-chat--staff .bgk-chat-right{background:#f5f2ed;min-height:0}
.bgk-chat--staff .bgk-chat-roomhead{min-height:63px;gap:10px;padding:9px 16px;background:#fafcff;border-bottom:1px solid #e2e6ec;flex-wrap:nowrap}
.bgk-chat--staff .bgk-chat-room-avatar{display:inline-flex;align-items:center;justify-content:center;flex:none;width:36px;height:36px;background:#e9e4fa;color:#6d2fca;border-radius:50%;font-size:16px;font-weight:900}
.bgk-chat--staff .bgk-chat-room-ident{flex:1;min-width:0}
.bgk-chat--staff .bgk-chat-room-ident strong{font-size:13px;color:#1c303b;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bgk-chat--staff .bgk-chat-room-ident small{font-size:10px;color:#71838c;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bgk-chat--staff .bgk-chat-mode{font-size:10px;color:#5b5391;white-space:normal;max-width:145px}
.bgk-chat--staff .bgk-chat-back{display:none;align-items:center;justify-content:center;background:#f4f1ff;color:#6628be;border:0;border-radius:9px;padding:9px 10px;font-size:11px;font-weight:900}
.bgk-chat--staff .bgk-chat-stream{background-color:#f8f6f3;background-image:radial-gradient(rgba(65,85,103,.038) 1px,transparent 1px);background-size:23px 23px;gap:8px;padding:15px 18px}
.bgk-chat--staff .bgk-chat-bubble{padding:8px 11px;max-width:min(80%,550px);border:0;background:#fff;border-radius:11px 11px 11px 3px;box-shadow:0 2px 3px rgba(15,45,60,.07)}
.bgk-chat--staff .bgk-chat-bubble.is-mine{background:#e4f5e9;border-radius:11px 11px 3px 11px}
.bgk-chat--staff .bgk-chat-bubble-meta{gap:14px}
.bgk-chat--staff .bgk-chat-bubble-meta strong{font-size:10px;color:#6c448c}
.bgk-chat--staff .bgk-chat-bubble-meta time{font-size:9px}
.bgk-chat--staff .bgk-chat-bubble-text{font-size:12.5px;line-height:1.43;margin:4px 0 0;color:#243541}
.bgk-chat--staff .bgk-chat-moderate{font-size:9px;padding:3px 0 0;color:#827aa0}
.bgk-chat--staff .bgk-chat-quick{border-top:1px solid #e8edf0;background:#fff;padding:7px 12px}
.bgk-chat--staff .bgk-chat-quick>span{font-size:10px;color:#798995;font-weight:900;margin-right:7px}
.bgk-chat--staff .bgk-chat-quick-options{display:flex;gap:6px;overflow-x:auto;padding-top:5px;scrollbar-width:thin}
.bgk-chat--staff .bgk-chat-quick-options button{flex:none;font-size:10px;max-width:260px;text-overflow:ellipsis;overflow:hidden;white-space:nowrap;padding:7px 10px;border:1px solid #dfe5eb;border-radius:999px;color:#5c418b;background:#f9f6ff}
.bgk-chat--staff .bgk-chat-quick-options button:hover{background:#efe8ff}
.bgk-chat--staff .bgk-chat-compose{background:#f5f7f8;border-top:1px solid #e4e8ec;gap:9px;align-items:center;padding:9px 12px}
.bgk-chat--staff .bgk-chat-compose textarea{min-height:42px;max-height:90px;resize:vertical;border:1px solid #e2e7ea;border-radius:12px;padding:10px 12px;background:white;font-size:12px}
.bgk-chat--staff .bgk-chat-compose button{border-radius:12px;background:#7434ca;padding:12px 16px;font-size:12px}
.bgk-chat--staff .bgk-chat-footer{background:#f5f7f8;font-size:9px;padding:0 14px 7px;color:#80909a}
/* Floating teacher/admin chat remains a compact two-column messenger. */
.bgk-floating-chat--staff .bgk-floating-chat-window{width:min(790px,calc(100vw - 35px));height:min(645px,calc(100dvh - 130px));border-radius:17px}
.bgk-floating-chat--staff.is-expanded .bgk-floating-chat-window{width:min(1100px,calc(100vw - 35px));height:min(800px,calc(100dvh - 65px))}
.bgk-floating-chat--staff .bgk-floating-chat-titlebar{padding:9px 13px;background:#321a52}
.bgk-floating-chat-controls{display:flex;align-items:center;gap:6px}
.bgk-floating-chat-expand{width:33px;height:33px;display:grid;place-items:center;border-radius:9px;border:1px solid #ffffff4a;background:#ffffff16;color:#fff;font-size:20px;cursor:pointer;line-height:1}
.bgk-floating-chat--staff .bgk-floating-chat-close{border-radius:9px;font-size:24px;width:33px;height:33px}
.bgk-floating-chat--staff .bgk-chat.bgk-chat--staff{padding:0;box-shadow:none;border:0;border-radius:0;margin:0}
.bgk-floating-chat--staff .bgk-chat--staff .bgk-chat-top{display:none}
.bgk-floating-chat--staff .bgk-chat--staff .bgk-chat-shell{display:grid;grid-template-columns:minmax(235px,35%) minmax(0,1fr);grid-template-rows:minmax(0,1fr);height:auto;flex:1;min-height:0;border:0;border-radius:0}
.bgk-floating-chat--staff .bgk-chat--staff .bgk-chat-left{height:auto;width:auto;min-width:0;border-right:1px solid #e5eaf0;border-bottom:0}
.bgk-floating-chat--staff .bgk-chat--staff .bgk-chat-rooms{display:block;overflow-y:auto;overflow-x:hidden;padding:3px 4px 9px}
.bgk-floating-chat--staff .bgk-chat--staff .bgk-chat-room{width:100%;flex:none;margin:0;padding:9px 7px;min-height:56px}
.bgk-floating-chat--staff .bgk-chat--staff .bgk-chat-room.is-active{padding-left:4px}
.bgk-floating-chat--staff .bgk-chat--staff .bgk-chat-quick{padding:5px 10px}
.bgk-floating-chat--staff .bgk-chat--staff .bgk-chat-quick-options{padding:3px 0 2px}
.bgk-floating-chat--staff .bgk-chat--staff .bgk-chat-quick-options button{padding:6px 9px}
.bgk-floating-chat--staff .bgk-chat--staff .bgk-chat-stream{padding:12px}
.bgk-floating-chat--staff .bgk-chat--staff .bgk-chat-roomhead{min-height:54px;padding:7px 12px}
.bgk-floating-chat--staff .bgk-chat--staff .bgk-chat-bubble{max-width:85%}
.bgk-floating-chat--staff .bgk-chat--staff .bgk-chat-compose{padding:8px}
.bgk-floating-chat--staff .bgk-chat--staff .bgk-chat-footer{padding:0 8px 5px}
@media(max-width:720px){
 .bgk-chat.bgk-chat--staff{padding:7px;margin:10px auto 20px;border-radius:14px}
 .bgk-chat--staff .bgk-chat-top{padding:3px 5px 9px}
 .bgk-chat--staff .bgk-chat-top h2{font-size:17px}
 .bgk-chat--staff .bgk-chat-top p{display:none}
 .bgk-chat--staff .bgk-chat-shell{display:flex;flex-direction:column;height:min(710px,75dvh);min-height:430px;grid-template-columns:none;grid-template-rows:none}
 .bgk-chat--staff .bgk-chat-left{width:100%;height:100%;flex:1;border-right:0;min-height:0;overflow:hidden}
 .bgk-chat--staff:not(.is-conversation-open) .bgk-chat-right{display:none}
 .bgk-chat--staff.is-conversation-open .bgk-chat-left{display:none}
 .bgk-chat--staff.is-conversation-open .bgk-chat-right{display:flex;flex:1;min-height:0}
 .bgk-chat--staff .bgk-chat-rooms{display:block;overflow-x:hidden;overflow-y:auto;padding:0 5px 10px}
 .bgk-chat--staff .bgk-chat-room{width:100%;flex:none;min-height:64px;padding:10px}
 .bgk-chat--staff .bgk-chat-back{display:inline-flex;flex:none}
 .bgk-chat--staff .bgk-chat-roomhead{padding:8px;gap:7px}
 .bgk-chat--staff .bgk-chat-room-avatar{width:30px;height:30px;font-size:12px}
 .bgk-chat--staff .bgk-chat-room-ident small{font-size:9px}
 .bgk-chat--staff .bgk-chat-mode{font-size:9px;max-width:113px}
 .bgk-chat--staff .bgk-chat-stream{min-height:0;padding:10px}
 .bgk-chat--staff .bgk-chat-bubble{max-width:89%}
 .bgk-chat--staff .bgk-chat-compose{padding:7px}
 .bgk-floating-chat--staff .bgk-floating-chat-window,.bgk-floating-chat--staff.is-expanded .bgk-floating-chat-window{width:calc(100vw - 16px);max-width:none;height:min(690px,calc(100dvh - 112px));right:-4px;bottom:68px}
 .bgk-floating-chat--staff .bgk-chat--staff .bgk-chat-shell{display:flex;flex-direction:column;grid-template-columns:none;grid-template-rows:none}
 .bgk-floating-chat--staff .bgk-chat--staff .bgk-chat-left{height:100%;width:100%;border-right:0}
 .bgk-floating-chat--staff .bgk-chat--staff .bgk-chat-rooms{display:block;overflow-y:auto;overflow-x:hidden}
 .bgk-floating-chat--staff .bgk-chat--staff .bgk-chat-right{flex:1;min-height:0}
 .bgk-floating-chat--staff .bgk-chat--staff:not(.is-conversation-open) .bgk-chat-right{display:none}
 .bgk-floating-chat--staff .bgk-chat--staff.is-conversation-open .bgk-chat-left{display:none}
 .bgk-floating-chat--staff .bgk-chat--staff.is-conversation-open .bgk-chat-right{display:flex}
 .bgk-floating-chat--staff .bgk-floating-chat-expand{display:none}
}
@media(prefers-reduced-motion:reduce){.bgk-chat--staff .bgk-chat-room{transition:none}}
/* Window always remains inside the visible viewport, including after expanding. */
.bgk-floating-chat.bgk-floating-chat--staff{bottom:18px}
.bgk-floating-chat--staff .bgk-floating-chat-window{height:min(645px,calc(100dvh - 112px))}
.bgk-floating-chat--staff.is-expanded .bgk-floating-chat-window{height:min(800px,calc(100dvh - 112px))}
@media(max-width:720px){
 .bgk-floating-chat.bgk-floating-chat--staff{bottom:max(76px,calc(env(safe-area-inset-bottom) + 76px))}
 .bgk-floating-chat--staff .bgk-floating-chat-window,.bgk-floating-chat--staff.is-expanded .bgk-floating-chat-window{height:min(690px,calc(100dvh - 165px));max-height:calc(100dvh - 165px)}
}

/* v10.10.179 WhatsApp-style delivery/read receipts and sound toggle */
.bgk-chat-top-actions{display:flex;gap:9px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.bgk-chat-sound-toggle{display:inline-flex!important;align-items:center;gap:5px;border:1px solid #d6cbe8!important;background:#faf8ff!important;color:#532d8d!important;font-size:11px!important;font-weight:800!important;padding:7px 10px!important;border-radius:999px!important;white-space:nowrap}.bgk-chat-sound-toggle[aria-pressed="false"]{color:#6b7280!important;background:#f1f2f6!important}.bgk-chat-receipt{display:block;margin-top:3px;text-align:right;font-size:11px;font-weight:800;letter-spacing:.02em;color:#828c96}.bgk-chat-receipt.is-delivered{color:#596a72}.bgk-chat-receipt.is-read{color:#118ed3}.bgk-chat--staff .bgk-chat-receipt{font-size:10px}.bgk-floating-chat-window .bgk-chat-top-actions{gap:5px}.bgk-floating-chat-window .bgk-chat-sound-toggle{padding:5px 7px!important;font-size:10px!important}@media(max-width:650px){.bgk-chat-top-actions{width:100%;justify-content:space-between}.bgk-chat-sound-toggle{font-size:10px!important}}

/* v10.10.181: Compact class and batch group selector */
.bgk-chat--staff .bgk-chat-switch{flex-wrap:wrap;gap:5px}
.bgk-chat--staff .bgk-chat-switch button{padding:7px 10px;font-size:10.5px;white-space:normal}
.bgk-chat-room[data-type="class"] .bgk-chat-avatar{background:#fff0d2;color:#9d5609}
@media(max-width:440px){.bgk-chat--staff .bgk-chat-switch button{font-size:10px;padding:7px 8px}.bgk-chat--student .bgk-chat-switch button{font-size:10px;padding:8px 5px}}

/* v10.10.181: one Group Chat tab; class dropdown narrows members safely */
.bgk-chat-group-filter{padding:9px 11px;border-bottom:1px solid #e4e5ef;background:#f8f6fd;display:grid;gap:5px}.bgk-chat-group-filter[hidden]{display:none!important}.bgk-chat-group-filter label{font-size:10px;font-weight:900;letter-spacing:.04em;color:#503383}.bgk-chat-group-filter select{width:100%;min-height:36px;padding:7px 10px;border:1px solid #d6c5ea;border-radius:9px;background:#fff;color:#292038;font-size:12px;font-weight:700;font-family:inherit}.bgk-chat-group-filter small{color:#776f89;font-size:10px;line-height:1.4}.bgk-chat-room[data-type="class"] .bgk-chat-avatar{background:#e6fff1;color:#147b51}

/* v10.10.182 - compact, staff-only moderation actions */
.bgk-chat--staff .bgk-chat-delete-room{flex:none;border:1px solid #e6c9d0;background:#fff1f2;color:#a52c47;border-radius:9px;padding:7px 10px;font-size:10px;font-weight:850;line-height:1.3;white-space:nowrap;cursor:pointer}
.bgk-chat--staff .bgk-chat-delete-room:hover{background:#ffe4e6}
.bgk-chat--staff .bgk-chat-delete-room:disabled,.bgk-chat--staff .bgk-chat-moderate:disabled{opacity:.5;cursor:wait}
.bgk-chat--staff .bgk-chat-moderate{display:inline-flex;align-items:center;min-height:25px;color:#a33950;font-weight:800;font-size:10px}
.bgk-chat--student [data-chat-clear]{display:none!important}
@media(max-width:720px){.bgk-chat--staff .bgk-chat-roomhead{flex-wrap:wrap}.bgk-chat--staff .bgk-chat-delete-room{font-size:10px;padding:7px 9px;margin-left:auto}}