:root{color-scheme:dark;--bg:#09111f;--panel:#101a2b;--panel2:#17243a;--line:#273753;--text:#f5f7fb;--muted:#93a4bf;--blue:#2d6df6;--green:#23c483;--red:#f04f5f;--radius:22px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
*{box-sizing:border-box}html,body{height:100%;margin:0;background:var(--bg);color:var(--text)}button,input,textarea,select{font:inherit}button{color:inherit}.hidden{display:none!important}
label select{width:100%;padding:13px;border:1px solid var(--line);background:#070d19;color:var(--text);border-radius:15px;outline:none}label select:focus{border-color:var(--blue)}
.app-shell{height:100dvh;display:grid;grid-template-columns:minmax(320px,390px) 1fr;overflow:hidden}.sidebar{display:flex;flex-direction:column;border-right:1px solid var(--line);background:var(--panel)}.topbar{display:flex;align-items:center;gap:12px;padding:18px 18px 12px}.topbar>div:nth-child(2){display:flex;flex-direction:column;flex:1}.topbar strong{font-size:22px;letter-spacing:.03em}.topbar small{color:var(--muted)}
.avatar-button,.icon-button,.round,.send-button{border:0;cursor:pointer;display:grid;place-items:center}.avatar-button{width:46px;height:46px;border-radius:50%;background:linear-gradient(145deg,#228eff,#22c77d);font-weight:800}.icon-button{width:44px;height:44px;border-radius:14px;background:var(--panel2);font-size:20px}.icon-button:hover{background:#22324e}
.tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;padding:8px 12px}.tabs button{border:0;border-radius:12px;padding:11px 4px;background:transparent;color:var(--muted);cursor:pointer;font-size:13px}.tabs button.active{background:var(--blue);color:#fff}.search-row{display:flex;gap:10px;padding:8px 14px 14px}.search-row input,.composer textarea,label input,.dialog-card input,.dialog-card textarea{border:1px solid var(--line);background:#070d19;color:var(--text);border-radius:15px;outline:none}.search-row input{min-width:0;flex:1;padding:13px 14px}.search-row input:focus,.composer textarea:focus,label input:focus{border-color:var(--blue)}.round{width:46px;border-radius:15px;font-size:23px}.primary{border:0;background:var(--blue);color:#fff;font-weight:700;cursor:pointer}.sidebar-content{flex:1;overflow:auto;padding:0 10px 18px}
.list-item{width:100%;border:0;background:transparent;color:inherit;display:grid;grid-template-columns:52px minmax(0,1fr) auto;gap:12px;text-align:left;padding:12px;border-radius:18px;cursor:pointer}.list-item:hover,.list-item.active{background:var(--panel2)}.avatar{width:52px;height:52px;border-radius:50%;background:linear-gradient(145deg,#238cff,#24ca7a);display:grid;place-items:center;font-weight:800;font-size:20px}.list-copy{min-width:0;align-self:center}.list-copy strong,.list-copy small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.list-copy small{margin-top:5px;color:var(--muted)}.list-meta{text-align:right;color:var(--muted);font-size:12px}.badge{display:inline-grid;place-items:center;min-width:22px;height:22px;margin-top:8px;padding:0 7px;border-radius:999px;background:var(--blue);color:white}.section-title{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.09em;padding:12px}
.contact-row{cursor:default}.contact-open{display:contents;color:inherit}.contact-toggle{align-self:center;width:38px;height:38px;border:0;border-radius:12px;background:var(--panel2);color:var(--blue);font-size:20px;cursor:pointer}
.conversation{position:relative;background:radial-gradient(circle at 30% 0,#162540 0,transparent 35%),var(--bg);min-width:0}.empty-state{height:100%;display:grid;place-content:center;justify-items:center;text-align:center;color:var(--muted)}.empty-state h2{margin-bottom:0;color:var(--text)}.brand-mark{width:76px;height:76px;border-radius:25px;background:linear-gradient(145deg,#ff8a49,#f5e9d0);color:#d4432e;display:grid;place-items:center;font-size:42px;font-weight:900;box-shadow:0 18px 50px #0008}.chat-view{height:100%;display:grid;grid-template-rows:auto 1fr auto}.chat-header{display:flex;align-items:center;gap:12px;padding:12px 18px;border-bottom:1px solid var(--line);background:#0d1728e8;backdrop-filter:blur(18px)}.chat-header .avatar{width:44px;height:44px;font-size:17px}.chat-title{min-width:0;flex:1;border:0;background:transparent;text-align:left;cursor:pointer}.chat-title strong,.chat-title small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-title small{color:var(--green);margin-top:3px}
.message-list{overflow:auto;padding:24px max(18px,calc((100% - 900px)/2));display:flex;flex-direction:column;gap:8px}.message{max-width:min(72%,620px);padding:10px 13px;border-radius:18px 18px 18px 5px;background:var(--panel2);box-shadow:0 7px 20px #0002}.message.mine{align-self:flex-end;border-radius:18px 18px 5px 18px;background:#245bd0}.message.pending{opacity:.65}.message .author{font-size:12px;font-weight:700;color:#79a9ff}.message.mine .author{display:none}.message p{margin:3px 0;white-space:pre-wrap;overflow-wrap:anywhere}.message footer{display:flex;justify-content:flex-end;gap:5px;font-size:11px;color:#c5d0e2}.attachment{display:flex;align-items:center;gap:10px;border:0;background:#ffffff12;color:inherit;padding:10px;border-radius:12px;margin-bottom:7px;cursor:pointer}.attachment span{overflow:hidden;text-overflow:ellipsis}
.composer{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:10px;padding:12px max(16px,calc((100% - 930px)/2));padding-bottom:max(12px,env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#0d1728e8}.composer textarea{resize:none;max-height:140px;padding:12px 14px}.attach-button{width:44px;height:44px;border-radius:15px;background:var(--panel2);display:grid;place-items:center;font-size:25px;cursor:pointer}.attach-button input{display:none}.send-button{width:44px;height:44px;border-radius:50%;background:var(--blue);font-size:18px}
.auth-shell{min-height:100dvh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 50% 10%,#1d3768 0,transparent 38%),var(--bg)}.auth-card{width:min(100%,440px);padding:32px;border:1px solid var(--line);border-radius:30px;background:#101a2beF;box-shadow:0 30px 90px #0009}.auth-card .brand-mark{margin:auto}.auth-card h1{text-align:center;margin:20px 0 4px}.auth-card>p{text-align:center;color:var(--muted);margin-top:0}.auth-card form{display:grid;gap:14px;margin-top:24px}label{display:grid;gap:7px;color:var(--muted);font-size:13px}label input,.dialog-card input,.dialog-card textarea{width:100%;padding:13px;color:var(--text)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.check{display:flex;grid-auto-flow:column;justify-content:start;align-items:center}.check input{width:auto}.auth-card .primary{padding:14px;border-radius:15px}.link-button{width:100%;border:0;background:transparent;color:#78a8ff;padding:17px;cursor:pointer}
.toast{position:fixed;z-index:1000;top:max(16px,env(safe-area-inset-top));left:50%;transform:translate(-50%,-140%);background:#fff;color:#111827;padding:12px 18px;border-radius:14px;box-shadow:0 10px 40px #0008;transition:.25s}.toast.show{transform:translate(-50%,0)}.network-status{padding:8px;text-align:center;background:#a56b00;color:#fff;font-size:12px}
dialog{padding:0;border:0;border-radius:24px;background:transparent;color:inherit}dialog::backdrop{background:#000a;backdrop-filter:blur(5px)}.dialog-card{position:relative;width:min(92vw,500px);max-height:85dvh;overflow:auto;padding:26px;background:var(--panel);border:1px solid var(--line);border-radius:24px}.dialog-close{position:absolute;right:14px;top:12px;border:0;background:transparent;font-size:27px;cursor:pointer}.dialog-card h2{margin-top:0}.dialog-card form,.dialog-fields{display:grid;gap:12px}.dialog-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:18px}.dialog-actions button{border:0;border-radius:12px;padding:11px 16px;cursor:pointer}.session{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.call-overlay{position:fixed;inset:0;z-index:900;background:#030711;display:flex;flex-direction:column;align-items:center;justify-content:center}.call-overlay>video#remoteVideo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.call-overlay>video#localVideo{position:absolute;z-index:2;right:20px;top:max(20px,env(safe-area-inset-top));width:min(28vw,190px);aspect-ratio:3/4;object-fit:cover;border-radius:20px;background:#111b2d;box-shadow:0 8px 30px #0008}.call-gradient{position:absolute;inset:0;background:linear-gradient(#0007,transparent 35%,#000b)}.call-person{z-index:3;text-align:center}.call-avatar{width:120px;height:120px;border-radius:50%;display:grid;place-items:center;margin:auto;background:linear-gradient(145deg,#238cff,#24ca7a);font-size:50px;font-weight:800}.call-person h2{font-size:30px;margin-bottom:4px}.call-person p{color:#c5d0e2}.call-actions{position:absolute;z-index:4;bottom:max(28px,env(safe-area-inset-bottom));display:flex;gap:18px}.call-button{width:76px;border:0;background:#ffffff24;padding:15px 8px;border-radius:22px;display:grid;gap:5px;place-items:center;font-size:23px;cursor:pointer}.call-button span{font-size:10px}.call-button.danger{background:var(--red)}.call-button.success{background:var(--green)}
.call-overlay.video-connected .call-avatar,.call-overlay.video-connected .call-person h2{display:none}.call-overlay.video-connected .call-person{position:absolute;z-index:4;top:max(18px,env(safe-area-inset-top));left:50%;transform:translateX(-50%)}.call-overlay.video-connected .call-person p{margin:0;padding:7px 12px;border-radius:14px;background:#0008;font-size:13px;white-space:nowrap}
.mobile-only{display:none}
@media(max-width:760px){.app-shell{display:block;height:var(--viewport-height,100dvh)}.sidebar{height:var(--viewport-height,100dvh);border:0}.conversation{position:fixed;left:0;right:0;top:var(--viewport-top,0px);bottom:auto;height:var(--viewport-height,100dvh);z-index:20;transform:translateX(100%);transition:transform .2s}.conversation.mobile-open{transform:none}.mobile-only{display:grid}.tabs{position:fixed;z-index:10;left:0;right:0;bottom:0;padding:7px 8px max(7px,env(safe-area-inset-bottom));background:#0d1728;border-top:1px solid var(--line)}.tabs button{font-size:12px}.sidebar-content{padding-bottom:80px}.message{max-width:86%}.chat-header{padding-top:max(10px,env(safe-area-inset-top))}.chat-header .icon-button{width:40px;height:40px}.form-row{grid-template-columns:1fr}.call-actions{gap:8px}.call-button{width:67px}.call-overlay>video#localVideo{width:30vw}}
@media(orientation:landscape) and (max-height:520px){.call-avatar{width:75px;height:75px;font-size:30px}.call-person h2{font-size:22px}.call-actions{bottom:12px}.call-overlay>video#localVideo{aspect-ratio:4/3;width:20vw}}
.receipt{display:inline-block;min-width:18px;color:#b8c3d6;font-weight:800;letter-spacing:-3px;padding-right:3px}
.receipt.read{color:#b8ff3d;text-shadow:0 0 5px rgba(184,255,61,.35)}