:root{--bg: #0e1621;--sidebar: #17212b;--panel: #17212b;--chat: #0e1621;--incoming: #182533;--outgoing: #2b5278;--text: #f5f5f5;--muted: #8696a2;--accent: #6ab3f3;--danger: #e53935;--line: rgba(255, 255, 255, .06);--hover: rgba(255, 255, 255, .04);--radius: 12px;--header-h: 56px;--compose-h: 56px;--font: "Segoe UI", "Inter", system-ui, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.4;overflow:hidden;overscroll-behavior:none}#root{position:fixed;top:var(--app-top, 0px);left:0;width:100%;height:var(--app-height, 100dvh)}button,input,textarea{font:inherit;color:inherit}button{background:none;border:0;cursor:pointer}a{color:var(--accent);text-decoration:none}.app{height:100%;display:flex;background:var(--bg);overflow:hidden;min-height:0}.sidebar{width:360px;min-width:300px;max-width:420px;display:flex;flex-direction:column;background:var(--sidebar);border-right:1px solid var(--line);min-height:0;height:100%;overflow:hidden}.main{flex:1;min-width:0;min-height:0;height:100%;display:flex;flex-direction:column;overflow:hidden;background:radial-gradient(ellipse at top,rgba(43,82,120,.18),transparent 55%),var(--chat)}.header{height:var(--header-h);display:flex;align-items:center;gap:10px;padding:0 12px;border-bottom:1px solid var(--line);background:var(--panel);flex-shrink:0}.header h1,.header h2{font-size:16px;font-weight:600;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.search{margin:8px 12px;background:var(--bg);border-radius:20px;padding:8px 12px;display:flex;align-items:center;gap:8px;color:var(--muted)}.search input{flex:1;background:none;border:0;outline:none}.list{flex:1;min-height:0;overflow-y:auto;padding-bottom:72px}.chat-row,.menu-row{display:flex;align-items:center;gap:12px;padding:10px 12px;width:100%;text-align:left}.chat-row:hover,.menu-row:hover,.chat-row.active{background:var(--hover)}.chat-row.active{background:#2b527873}.meta{flex:1;min-width:0}.meta .title{display:flex;justify-content:space-between;gap:8px}.meta .name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.meta .time,.meta .sub{color:var(--muted);font-size:13px}.meta .preview{color:var(--muted);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.unread{min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:var(--accent);color:#0e1621;font-size:11px;font-weight:700;display:inline-flex;align-items:center;justify-content:center}.messages{flex:1;min-height:0;overflow-y:auto;padding:12px 10px 8px;display:flex;flex-direction:column;gap:4px}.day{align-self:center;background:#00000059;color:#d6e3ee;font-size:12px;padding:4px 10px;border-radius:10px;margin:8px 0}.bubble-row{display:flex;-webkit-user-select:none;user-select:none;touch-action:pan-y}.bubble-row.out{justify-content:flex-end}.bubble{max-width:min(78%,520px);padding:7px 10px 5px;border-radius:12px;position:relative;word-break:break-word}.bubble.in{background:var(--incoming);border-top-left-radius:4px}.bubble.out{background:var(--outgoing);border-top-right-radius:4px}.bubble .file{display:flex;align-items:center;gap:8px;margin-bottom:4px}.bubble img.preview{max-width:240px;max-height:240px;border-radius:8px;display:block;margin-bottom:4px}.bubble-row.selected .bubble{outline:2px solid var(--accent)}.bubble-row.selected{background:#6ab3f31f;margin:0 -10px;padding:0 10px}.quote{display:flex;flex-direction:column;align-items:flex-start;gap:2px;width:100%;margin:0 0 6px;padding:4px 8px;border-left:3px solid var(--accent);background:#0000002e;border-radius:0 8px 8px 0;text-align:left;font-size:13px}.quote b{font-size:12px;color:var(--accent)}.quote span{color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}.react-pills{display:flex;flex-wrap:wrap;gap:4px;margin-top:4px}.react-pills button{background:#00000040;border-radius:10px;padding:1px 7px;font-size:13px}.react-pills button.on{background:#6ab3f359}.compose-extra{display:flex;align-items:center;gap:8px;padding:6px 12px 0;background:var(--panel)}.compose-extra .quote{flex:1;margin:0}.msg-sheet{width:min(420px,100%);background:var(--panel);border:1px solid var(--line);border-radius:16px 16px 0 0;padding:12px 10px 16px;display:flex;flex-direction:column;gap:4px;align-self:flex-end}.msg-sheet>button{display:flex;align-items:center;gap:10px;padding:12px 10px;border-radius:10px;text-align:left}.msg-sheet>button:hover{background:var(--hover)}.msg-sheet>button.danger{color:var(--danger)}.react-row{display:flex;justify-content:space-between;gap:4px;padding:4px 4px 10px}.react-row button{font-size:22px;width:40px;height:40px;border-radius:50%}.react-row button:hover{background:var(--hover)}.compose{min-height:var(--compose-h);display:flex;align-items:flex-end;gap:6px;padding:8px 10px calc(8px + env(safe-area-inset-bottom,0px));background:var(--panel);border-top:1px solid var(--line);flex-shrink:0}html.kb-open .compose{padding-bottom:8px}.compose textarea{flex:1;resize:none;background:var(--bg);border:0;outline:none;border-radius:18px;padding:10px 14px;max-height:140px}.icon-btn{width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:var(--muted);flex-shrink:0}.icon-btn:hover,.icon-btn.active{color:var(--accent);background:var(--hover)}.icon-btn.primary{color:var(--accent)}.avatar{width:44px;height:44px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:700;color:#fff;flex-shrink:0;text-transform:uppercase}.avatar.sm{width:36px;height:36px;font-size:13px}.gate{height:100%;min-height:0;display:flex;align-items:center;justify-content:center;padding:24px;overflow:auto;background:radial-gradient(ellipse at top,rgba(106,179,243,.12),transparent 50%),var(--bg)}.card{width:min(420px,100%);background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px 24px;display:flex;flex-direction:column;gap:14px}.card .brand{display:flex;flex-direction:column;align-items:center;gap:8px;margin-bottom:8px}.card h1{font-size:28px;letter-spacing:.02em}.card p{color:var(--muted);text-align:center;font-size:14px}.field{background:var(--bg);border-radius:12px;padding:12px 14px;border:1px solid transparent}.field:focus-within{border-color:var(--accent)}.field input{width:100%;background:none;border:0;outline:none;letter-spacing:.08em;text-align:center;font-size:18px}.btn{height:44px;border-radius:12px;background:var(--outgoing);color:#fff;font-weight:600}.btn:hover{filter:brightness(1.08)}.btn.ghost{background:transparent;color:var(--accent)}.btn.danger{background:#6b2424}.btn:disabled{opacity:.4;cursor:not-allowed}.muted{color:var(--muted)}.err{color:#ff8a80;font-size:13px;text-align:center}.empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--muted);text-align:center;padding:24px}.fab{position:absolute;right:16px;bottom:16px;width:52px;height:52px;border-radius:50%;background:var(--accent);color:#0e1621;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px #00000059}.sidebar{position:relative}.page{flex:1;min-height:0;overflow-y:auto;padding:8px 0 24px}.group-title{color:var(--muted);font-size:13px;padding:16px 16px 6px;text-transform:uppercase;letter-spacing:.04em}.row-input{margin:8px 16px;background:var(--bg);border-radius:10px;padding:10px 12px}.row-input input{width:100%;background:none;border:0;outline:none}.ttl{position:relative}.ttl-menu{position:absolute;bottom:48px;left:0;background:#232e3a;border-radius:12px;padding:6px;min-width:180px;box-shadow:0 8px 24px #0006;z-index:5}.ttl-menu button{display:block;width:100%;text-align:left;padding:8px 10px;border-radius:8px}.ttl-menu button:hover,.ttl-menu button.on{background:var(--hover);color:var(--accent)}.qr-wrap{display:flex;flex-direction:column;align-items:center;gap:12px;padding:16px}.qr-wrap img{width:220px;height:220px;background:#fff;padding:10px;border-radius:12px}.scanner{width:100%;height:280px;border-radius:12px;overflow:hidden;background:#111;position:relative}.scanner-inner{width:100%;height:100%}.scanner video,.scanner-video,.scanner canvas{width:100%!important;height:280px!important;object-fit:cover;display:block}.app-version{position:fixed;top:10px;right:12px;z-index:90;font-size:12px;color:var(--muted);pointer-events:none;font-variant-numeric:tabular-nums}.app-version-inline{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;flex-shrink:0}.pill{font-size:12px;color:var(--muted)}.status-dot{width:8px;height:8px;border-radius:50%;background:#4caf50}.status-dot.off{background:#667781}.invite-code{font-family:ui-monospace,Consolas,monospace;letter-spacing:.08em}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000009e;display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}.overlay.sheet{align-items:flex-end;padding:0}.overlay .card{max-height:min(100%,calc(100dvh - 40px));overflow:auto}.dialog{width:min(420px,100%);background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px 20px 16px;display:flex;flex-direction:column;gap:12px;margin:20px}.dialog h3{font-size:18px}.dialog p{color:var(--muted);font-size:14px}.dialog .warn{color:#ffb4a8}.dialog label.check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text)}.dialog label.check input{margin-top:3px}.dialog-actions{display:flex;gap:8px;margin-top:6px}.dialog-actions .btn{flex:1}@media(max-width:760px){.sidebar{width:100%;max-width:none;min-width:0;border-right:0}.main.hidden-mobile,.sidebar.hidden-mobile{display:none}.main{width:100%}}