:root{--bg:#080b13;--panel:#101521;--panel2:#171d2b;--text:#f2f5ff;--muted:#8892a8;--cyan:#52dce8;--violet:#7567f5;--line:rgba(255,255,255,.08);--danger:#ef5364}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.45 Inter,system-ui,-apple-system,"Segoe UI",sans-serif;overflow:hidden}button,input,textarea{font:inherit}.hidden{display:none!important}.auth-view{height:100%;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 20% 15%,rgba(82,220,232,.15),transparent 35%),radial-gradient(circle at 85% 85%,rgba(117,103,245,.16),transparent 38%)}.login-card{width:min(430px,100%);padding:38px;border:1px solid var(--line);border-radius:26px;background:rgba(16,21,33,.92);box-shadow:0 30px 90px #0008}.logo{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-size:20px}.logo span,.empty-logo{display:grid;place-items:center;width:40px;height:40px;border-radius:13px;background:linear-gradient(135deg,var(--cyan),var(--violet));color:#071016;font-weight:900}.login-copy h1{font-size:32px;margin:32px 0 5px}.login-copy p,.login-card small{color:var(--muted)}label{display:block;margin-top:20px;color:#aab2c4}input,textarea{width:100%;border:1px solid var(--line);outline:0;background:#0b0f18;color:var(--text);border-radius:13px;padding:13px;margin-top:7px}input:focus,textarea:focus{border-color:#5fd7e4}.password-field{position:relative}.password-field input{padding-right:45px}.password-field button{position:absolute;right:7px;top:14px;border:0;background:none;color:var(--muted)}.primary-button{width:100%;margin:18px 0;padding:14px;border:0;border-radius:14px;background:linear-gradient(120deg,var(--cyan),var(--violet));font-weight:800;color:#071016}.form-error{min-height:20px;color:#ff7786}.app{height:100%;display:grid;grid-template-columns:360px 1fr}.sidebar{position:relative;display:flex;flex-direction:column;border-right:1px solid var(--line);background:var(--panel)}.side-header,.chat-header{height:68px;display:flex;align-items:center;padding:0 18px;border-bottom:1px solid var(--line)}.compact{flex:1}.compact span{width:34px;height:34px}.icon-button,.call-button,.back-button,.attach,.send{border:0;background:none;color:#aeb7ca;cursor:pointer}.icon-button,.call-button{width:40px;height:40px;border-radius:12px}.icon-button:hover,.call-button:hover{background:#ffffff0c;color:var(--cyan)}.search{margin:14px 16px 8px;position:relative}.search span{position:absolute;left:14px;top:17px;color:var(--muted)}.search input{padding-left:38px;margin:0;background:#0a0e17}.tabs{display:flex;padding:5px 16px;border-bottom:1px solid var(--line)}.tabs button{flex:1;border:0;background:none;color:var(--muted);padding:11px;border-bottom:2px solid transparent}.tabs button.active{color:var(--cyan);border-color:var(--cyan)}.chat-list{overflow:auto;flex:1}.chat-item{display:grid;grid-template-columns:48px 1fr auto;gap:12px;padding:13px 16px;cursor:pointer}.chat-item:hover,.chat-item.active{background:#ffffff09}.avatar-chip,#headerAvatar{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#33425b,#665ab6);font-weight:800;position:relative}.online-dot{position:absolute;width:11px;height:11px;border-radius:50%;background:#42dfb1;border:2px solid var(--panel);right:0;bottom:1px}.chat-copy{min-width:0}.chat-copy strong,.chat-copy small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-copy small,.chat-time,.peer small{color:var(--muted)}.chat-time{text-align:right;font-size:11px}.badge{display:inline-block;margin-top:6px;padding:2px 7px;border-radius:10px;background:var(--violet);color:white}.empty-pane{display:grid;place-content:center;text-align:center;background:radial-gradient(circle,#131929,#080b13 60%)}.empty-pane .empty-logo{margin:auto;width:70px;height:70px;border-radius:23px;font-size:30px}.empty-pane p{color:var(--muted)}.chat-pane{height:100%;display:flex;flex-direction:column;background:#0a0e17}.back-button{display:none;font-size:30px}.chat-header #headerAvatar{width:42px;height:42px}.peer{flex:1;margin-left:12px;display:flex;flex-direction:column}.messages{flex:1;overflow:auto;padding:22px max(20px,calc((100% - 860px)/2));display:flex;flex-direction:column;gap:7px;background:radial-gradient(circle at 75% 20%,rgba(117,103,245,.07),transparent 35%)}.message{align-self:flex-start;max-width:min(70%,620px);padding:10px 13px 6px;background:var(--panel2);border-radius:16px 16px 16px 4px;overflow-wrap:anywhere}.message.own{align-self:flex-end;background:linear-gradient(135deg,#343d68,#433d79);border-radius:16px 16px 4px 16px}.message time{float:right;margin:8px 0 0 12px;font-size:10px;color:#a0a9ba}.ticks{color:var(--cyan)}.message img,.message video{display:block;max-width:100%;max-height:420px;border-radius:11px;margin-bottom:6px}.message audio{max-width:100%}.file-card{display:flex;gap:9px;align-items:center;color:var(--text);text-decoration:none}.call-card-message{display:flex;gap:10px;align-items:center}.composer{display:flex;align-items:end;gap:8px;padding:10px max(15px,calc((100% - 900px)/2));border-top:1px solid var(--line);background:var(--panel)}.composer textarea{margin:0;resize:none;min-height:44px;max-height:130px}.input-wrap{flex:1}.attach,.send{width:44px;height:44px;border-radius:13px;font-size:20px}.send{background:linear-gradient(135deg,var(--cyan),var(--violet));color:#071016}.state,.message-state{padding:24px;text-align:center;color:var(--muted)}.load-older{text-align:center;padding:6px}.load-older button{border:0;border-radius:12px;padding:7px 12px;background:var(--panel2);color:var(--muted)}.profile-menu{position:absolute;z-index:4;right:12px;top:60px;width:210px;padding:16px;background:#191f2d;border:1px solid var(--line);border-radius:15px;box-shadow:0 20px 50px #0008}.profile-menu button{width:100%;margin-top:14px;padding:8px;border:0;border-radius:9px;background:#ffffff0b;color:#ff8592}.toast{position:fixed;z-index:30;left:50%;top:20px;transform:translateX(-50%);padding:10px 16px;border-radius:12px;background:#222a3a;opacity:0;pointer-events:none;transition:.2s}.toast.show{opacity:1}.call-overlay{position:fixed;z-index:20;inset:0;background:#080b13;display:grid;place-items:center}.remote-video{position:absolute;width:100%;height:100%;object-fit:cover}.local-video{position:absolute;z-index:2;right:24px;top:24px;width:min(25vw,270px);aspect-ratio:3/4;object-fit:cover;border-radius:18px;background:#151b29}.call-shade{position:absolute;inset:0;background:radial-gradient(circle,transparent,#070910cc)}.call-info{z-index:2;text-align:center}.call-avatar{width:110px;height:110px;margin:auto;display:grid;place-items:center;border-radius:50%;font-size:38px;font-weight:800;background:linear-gradient(145deg,#3c4d6d,#7668ca)}.call-info h2{font-size:27px}.call-info p{color:#b2bbcd}.call-actions{z-index:3;position:absolute;bottom:45px;display:flex;gap:14px}.call-actions button{width:58px;height:58px;border:0;border-radius:50%;background:#ffffff20;color:white;font-size:20px}.call-actions .end{background:var(--danger)}.call-actions .accept{background:#32c987}.history-item{display:grid;grid-template-columns:44px 1fr auto;gap:11px;padding:13px 16px;cursor:pointer}.history-item:hover{background:#ffffff08}.history-item small{color:var(--muted)}
@media(max-width:720px){.app{display:block}.sidebar{height:100%;border:0}.chat-pane{position:fixed;z-index:5;inset:0}.empty-pane{display:none}.back-button{display:block}.message{max-width:86%}.local-video{width:115px;right:14px;top:14px}.login-card{padding:27px}.chat-header{padding:0 8px}.call-button{width:36px}.messages{padding:16px 10px}.composer{padding:8px}}