:root,:root[data-theme=dark]{--bg: #0e1116;--bg2: #161b22;--bg3: #1c2330;--line: #263042;--ink: #e6edf3;--muted: #8b98a9;--accent: #3b82f6;--accent2: #2563eb;--mine: #1d4ed8;--danger: #ef4444;--radius: 14px;color-scheme:dark}:root[data-theme=light]{--bg: #f4f6fa;--bg2: #ffffff;--bg3: #eef1f6;--line: #dbe1ea;--ink: #0f172a;--muted: #64748b;--accent: #2563eb;--accent2: #2563eb;--mine: #2563eb;--danger: #dc2626;color-scheme:light}:root[data-theme=light] .msg.mine .msg-text,:root[data-theme=light] .msg.mine .msg-time,:root[data-theme=light] .msg.mine .msg-author{color:#fff}:root[data-theme=light] .splash-logo,:root[data-theme=light] .login-logo{background:linear-gradient(90deg,#2563eb,#7c3aed);-webkit-background-clip:text;background-clip:text;color:transparent}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,system-ui,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink);-webkit-tap-highlight-color:transparent;overscroll-behavior:none}button{font-family:inherit;cursor:pointer}.splash,.login{height:100dvh;display:flex;align-items:center;justify-content:center;background:radial-gradient(120% 120% at 50% 0%,#1b2436 0%,var(--bg) 60%)}.splash-logo,.login-logo{font-weight:800;font-size:44px;letter-spacing:2px;background:linear-gradient(90deg,#60a5fa,#a78bfa);-webkit-background-clip:text;background-clip:text;color:transparent}.login-card{width:min(360px,90vw);display:flex;flex-direction:column;gap:12px;padding:28px 24px;background:var(--bg2);border:1px solid var(--line);border-radius:20px}.splash-icon{width:96px;height:96px;border-radius:22px;box-shadow:0 10px 40px #fc492959}.login-icon{width:80px;height:80px;border-radius:20px;align-self:center;box-shadow:0 8px 30px #fc49294d}.login-sub{text-align:center;color:var(--muted);margin-top:-6px;margin-bottom:8px}.login-err{color:var(--danger);font-size:14px;text-align:center}.input{width:100%;padding:12px 14px;font-size:16px;color:var(--ink);background:var(--bg3);border:1px solid var(--line);border-radius:12px;outline:none}.input:focus{border-color:var(--accent)}.btn{padding:12px 16px;font-size:15px;border:1px solid var(--line);background:var(--bg3);color:var(--ink);border-radius:12px}.btn.sm{padding:8px 12px;font-size:14px}.btn-primary{background:var(--accent2);border-color:var(--accent2);color:#fff;font-weight:600}.btn-primary:disabled{opacity:.5}.avatar{border-radius:50%;background:linear-gradient(135deg,#334155,#475569);display:grid;place-items:center;color:#fff;font-weight:700;overflow:hidden;flex:none}.avatar img{width:100%;height:100%;object-fit:cover}.avatar-group{background:linear-gradient(135deg,var(--accent),var(--accent2));border-radius:30%}.avatar-wrap{position:relative;flex:none}.status-dot{position:absolute;right:-1px;bottom:-1px;width:13px;height:13px;border-radius:50%;background:var(--muted);border:2px solid var(--bg2)}.status-dot.online{background:#22c55e}.conv-head-meta{display:flex;flex-direction:column}.conv-head-meta b{font-size:16px;line-height:1.1}.conv-head-meta span{font-size:12px;color:var(--muted)}.chat-root{display:flex;height:100dvh}.sidebar{width:340px;flex:none;display:flex;flex-direction:column;border-right:1px solid var(--line);background:var(--bg2)}.sidebar-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px;border-bottom:1px solid var(--line)}.me{display:flex;align-items:center;gap:10px;min-width:0}.me-avatar{cursor:pointer;position:relative;flex:none}.me-avatar:after{content:"✎";position:absolute;right:-2px;bottom:-2px;font-size:10px;background:var(--accent);color:#fff;width:15px;height:15px;border-radius:50%;display:grid;place-items:center}.me-info{display:flex;flex-direction:column;min-width:0}.me-info b{font-size:15px}.me-info span{font-size:12px;color:var(--muted)}.sidebar-actions{display:flex;gap:4px}.icon-btn{width:38px;height:38px;border:none;background:transparent;color:var(--ink);font-size:18px;border-radius:10px;display:grid;place-items:center}.icon-btn:hover{background:var(--bg3)}.icon-btn.danger{color:var(--danger)}.icon-btn.send{color:var(--accent)}.conv-list{flex:1;overflow-y:auto;padding:6px}.sidebar-foot{padding:6px 12px;font-size:11px;color:var(--muted);display:flex;align-items:center;justify-content:center;gap:8px;border-top:1px solid var(--line)}.update-btn{border:1px solid var(--line);background:var(--bg3);color:var(--accent);width:24px;height:24px;border-radius:50%;font-size:14px;line-height:1;display:grid;place-items:center}.update-btn:hover{background:var(--accent);color:#fff}.settings-version{text-align:center;color:var(--muted);font-size:12px;padding:8px}.conv-group-label{font-size:11px;text-transform:uppercase;color:var(--muted);padding:12px 10px 4px;letter-spacing:.5px}.conv-group-head{display:flex;align-items:center;justify-content:space-between;padding-right:6px}.new-group-btn{background:transparent;border:1px solid var(--line);color:var(--accent);font-size:12px;padding:4px 10px;border-radius:20px}.new-group-btn:hover{background:var(--bg3)}.member-pick{display:flex;flex-direction:column;gap:2px;max-height:320px;overflow-y:auto;margin:4px 0}.member-row{display:flex;align-items:center;gap:10px;padding:8px;border-radius:10px;cursor:pointer}.member-row:hover,.member-row.on{background:var(--bg3)}.member-row input{width:18px;height:18px;accent-color:var(--accent)}.conv-item{width:100%;display:flex;align-items:center;gap:12px;padding:10px;background:transparent;border:none;border-radius:12px;color:var(--ink);text-align:left}.conv-item:hover,.conv-item.active{background:var(--bg3)}.conv-meta{display:flex;flex-direction:column;min-width:0;flex:1}.conv-meta b{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conv-meta span{font-size:12px;color:var(--muted)}.unread-badge{flex:none;min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:var(--accent);color:#fff;font-size:12px;font-weight:700;display:grid;place-items:center;margin-left:auto}.conv{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--bg)}.conv-empty{flex:1;display:grid;place-items:center;color:var(--muted)}.conv-head{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--bg2)}.conv-head b{font-size:16px}.conv-head-actions{margin-left:auto;display:flex;gap:2px}.call-incoming{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:grid;place-items:center;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.call-inc-card{display:flex;flex-direction:column;align-items:center;gap:10px;padding:32px 40px;background:var(--bg2);border:1px solid var(--line);border-radius:24px}.call-inc-avatar{width:88px;height:88px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#a855f7);display:grid;place-items:center;font-size:32px;font-weight:700;color:#fff}.call-inc-name{font-size:22px;font-weight:700}.call-inc-sub{color:var(--muted)}.call-inc-actions{display:flex;gap:40px;margin-top:12px}.call-btn{width:62px;height:62px;border-radius:50%;border:none;font-size:24px;color:#fff;display:grid;place-items:center}.call-btn.accept{background:#22c55e}.call-btn.decline,.call-btn.hangup{background:var(--danger)}.call-btn.off{background:var(--bg3)}.call-btn:not(.accept):not(.decline):not(.hangup):not(.off){background:#334155}.call-active{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:#0a0d12;display:flex;flex-direction:column}.call-top{text-align:center;padding:14px;color:#fff;font-weight:600;background:#0006}.call-grid{flex:1;min-height:0;overflow:hidden;display:grid;gap:4px;padding:4px;grid-template-columns:1fr}.call-controls{flex:none}.call-grid.n2{grid-template-columns:1fr;grid-auto-rows:1fr}@media(min-width:640px){.call-grid.n2{grid-template-columns:1fr 1fr}}.call-grid.n3,.call-grid.n4{grid-template-columns:1fr 1fr}.call-grid.n5,.call-grid.n6,.call-grid.n7,.call-grid.n8,.call-grid.n9{grid-template-columns:1fr 1fr 1fr}.call-tile{position:relative;background:#161b22;border-radius:12px;overflow:hidden;display:grid;place-items:center;min-height:0}.call-tile video{width:100%;height:100%;object-fit:cover}.call-tile-avatar{width:72px;height:72px;border-radius:50%;background:#334155;display:grid;place-items:center;font-size:26px;font-weight:700;color:#fff}.call-tile-name{position:absolute;left:8px;bottom:8px;font-size:12px;color:#fff;background:#00000080;padding:2px 8px;border-radius:8px}.call-controls{flex:none;display:flex;justify-content:center;gap:24px;padding:18px 20px calc(18px + env(safe-area-inset-bottom));background:#0000008c}.call-ctl{display:flex;flex-direction:column;align-items:center;gap:6px}.call-ctl span{font-size:11px;color:#cbd5e1}.hangup-icon{display:inline-block;transform:rotate(135deg)}.back-btn{display:none;border:none;background:transparent;color:var(--ink);font-size:26px;line-height:1;width:32px;text-decoration:none}.msg-list{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:8px}.msg{display:flex;gap:8px;align-items:flex-end;max-width:82%}.msg.mine{align-self:flex-end;flex-direction:row-reverse}.msg-body{position:relative;background:var(--bg2);border:1px solid var(--line);border-radius:16px;padding:8px 12px}.msg.mine .msg-body{background:var(--mine);border-color:var(--mine)}.msg-author{font-size:12px;font-weight:700;color:#60a5fa;margin-bottom:2px}.msg-reply{font-size:12px;border-left:3px solid var(--accent);padding:2px 8px;margin-bottom:4px;color:var(--muted);border-radius:4px;background:#ffffff0d}.msg-reply span{display:block;color:#93c5fd;font-weight:600}.msg-text{font-size:15px;line-height:1.35;white-space:pre-wrap;word-break:break-word}.mention{color:#93c5fd;font-weight:600}.msg-img{max-width:240px;max-height:280px;border-radius:10px;display:block}.msg-audio{max-width:220px}.msg-file{color:#93c5fd;text-decoration:none;font-size:14px}.msg-foot{display:flex;gap:6px;align-items:center;justify-content:flex-end;margin-top:2px}.msg-time{font-size:11px;color:var(--muted)}.msg.mine .msg-time{color:#cbd5e1}.msg-read{font-size:11px;color:#bfdbfe}.msg-reacts{display:flex;gap:4px;margin-top:4px;flex-wrap:wrap}.react-chip{font-size:12px;padding:1px 7px;border-radius:10px;border:1px solid var(--line);background:var(--bg3);color:var(--ink)}.msg-tools{position:absolute;top:-14px;display:none;gap:2px;background:var(--bg3);border:1px solid var(--line);border-radius:10px;padding:2px}.msg.mine .msg-tools{left:-4px}.msg:not(.mine) .msg-tools{right:-4px}.msg-body:hover .msg-tools{display:flex}.msg-tools button{border:none;background:transparent;color:var(--ink);font-size:14px;width:26px;height:26px;border-radius:8px}.msg-tools button:hover{background:var(--bg2)}.react-menu{position:relative}.react-pop{position:absolute;bottom:28px;right:0;display:none;gap:2px;background:var(--bg3);border:1px solid var(--line);border-radius:10px;padding:4px}.react-menu:hover .react-pop{display:flex}.react-pop button{font-size:18px;width:30px;height:30px}.composer-wrap{border-top:1px solid var(--line);background:var(--bg2);padding-bottom:env(safe-area-inset-bottom)}.composer-ctx{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);padding:6px 14px}.composer-ctx button{border:none;background:transparent;color:var(--muted);font-size:14px}.composer{display:flex;align-items:flex-end;gap:6px;padding:8px 10px}.composer-input{flex:1;resize:none;max-height:120px;padding:10px 14px;font-size:16px;color:var(--ink);background:var(--bg3);border:1px solid var(--line);border-radius:20px;outline:none;line-height:1.3}.composer-input:focus{border-color:var(--accent)}.rec-info{flex:1;color:var(--danger);font-size:14px;padding-left:8px}.page{max-width:640px;margin:0 auto;height:100dvh;display:flex;flex-direction:column}.page-head{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--line);background:var(--bg2)}.page-head .back-btn{display:block}.page-head h1{flex:1;font-size:20px;margin:0}.page-note{padding:10px 14px;color:#86efac;font-size:14px}.family-list{flex:1;overflow-y:auto;padding:8px}.family-item{display:flex;align-items:center;gap:12px;padding:10px;border-radius:12px}.family-item:hover{background:var(--bg2)}.family-item{width:100%;background:transparent;border:none;text-align:left;color:var(--ink)}.family-meta{display:flex;flex-direction:column;flex:1}.family-meta span{font-size:12px;color:var(--muted)}.family-edit{color:var(--muted);font-size:16px}.modal-static{color:var(--muted);font-size:14px;padding:2px 2px 4px}.avatar-edit{display:flex;flex-direction:column;align-items:center;gap:4px;align-self:center;cursor:pointer}.avatar-edit span{font-size:12px;color:var(--accent)}.danger-btn-sm{color:var(--danger);border-color:var(--danger);background:transparent;padding:8px 12px;font-size:14px}.settings-user-row{display:flex;align-items:center;gap:14px}.settings{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:14px}.settings-card{background:var(--bg2);border:1px solid var(--line);border-radius:16px;padding:16px}.settings-user{display:flex;flex-direction:column}.settings-user span{font-size:13px;color:var(--muted)}.settings-title{font-size:13px;text-transform:uppercase;color:var(--muted);margin-bottom:10px;letter-spacing:.5px}.theme-options{display:flex;gap:10px}.theme-opt{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 8px;background:var(--bg3);border:2px solid var(--line);border-radius:14px;color:var(--ink)}.theme-opt.active{border-color:var(--accent)}.theme-swatch{width:40px;height:40px;border-radius:10px;border:1px solid var(--line)}.theme-swatch.system{background:linear-gradient(135deg,#f4f6fa 50%,#0e1116 50%)}.theme-swatch.light{background:#f4f6fa}.theme-swatch.dark{background:#0e1116}.theme-label{font-size:14px;font-weight:600}.theme-hint{font-size:11px;color:var(--muted);text-align:center}.danger-btn{width:100%;color:var(--danger);border-color:var(--danger);background:transparent}.settings-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.settings-hint{font-size:12px;color:var(--muted)}.toggle{width:50px;height:30px;border-radius:15px;border:none;background:var(--bg3);position:relative;transition:background .15s;flex:none}.toggle.on{background:var(--accent)}.toggle:disabled{opacity:.6}.toggle-knob{position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;transition:transform .15s}.toggle.on .toggle-knob{transform:translate(20px)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:grid;place-items:center;padding:16px;z-index:50}.modal{width:min(400px,100%);display:flex;flex-direction:column;gap:10px;background:var(--bg2);border:1px solid var(--line);border-radius:18px;padding:20px}.modal h2{margin:0 0 4px;font-size:18px}.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:4px}@media(max-width:760px){.sidebar{width:100%}.chat-root .conv,.chat-root.has-conv .sidebar{display:none}.chat-root.has-conv .conv{display:flex}.back-btn{display:block}.msg{max-width:88%}}