:root{--bg:#fff;--bg-sidebar:#f7f7f9;--bg-bubble-other:#fff;--bg-bubble-mine:#4f7cff;--text:#1c1e21;--text-mine:#fff;--text-muted:#767a82;--border:#e4e6eb;--accent:#4f7cff;--accent-bg:#4f7cff1f;--danger:#e0245e;--hover:#0000000a;--active:#4f7cff1a;--sans:-apple-system, "Segoe UI", Roboto, Inter, system-ui, sans-serif;font-family:var(--sans);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg)}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#17181c;--bg-sidebar:#1c1d22;--bg-bubble-other:#26272d;--bg-bubble-mine:#4f7cff;--text:#e6e7eb;--text-mine:#fff;--text-muted:#8b8f98;--border:#2a2c33;--accent:#7b9fff;--accent-bg:#7b9fff29;--hover:#ffffff0d;--active:#7b9fff24}}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text)}button{cursor:pointer;font-family:inherit}input{font-family:inherit}.login-page{background:var(--bg-sidebar);justify-content:center;align-items:center;height:100%;display:flex}.login-card{background:var(--bg);border:1px solid var(--border);border-radius:16px;flex-direction:column;gap:16px;width:320px;padding:32px;display:flex;box-shadow:0 10px 30px #00000014}.login-card h1{text-align:center;margin:0 0 8px;font-size:22px}.login-card label{color:var(--text-muted);flex-direction:column;gap:6px;font-size:13px;display:flex}.login-card input{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:10px;padding:10px 12px;font-size:15px}.login-card input:focus{border-color:var(--accent);outline:none}.login-card button{background:var(--accent);color:#fff;border:none;border-radius:10px;margin-top:8px;padding:11px;font-size:15px;font-weight:600}.login-card button:disabled{opacity:.5;cursor:default}.login-error{color:var(--danger);font-size:13px}.app-loading{height:100%;color:var(--text-muted);justify-content:center;align-items:center;display:flex}.chat-page{height:100%;display:flex}.sidebar{background:var(--bg-sidebar);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;width:320px;display:flex}.sidebar-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:14px 16px;display:flex}.sidebar-me{align-items:center;gap:10px;min-width:0;display:flex}.sidebar-me-name{text-overflow:ellipsis;white-space:nowrap;font-weight:600;overflow:hidden}.link-button{color:var(--text-muted);background:0 0;border:none;font-size:13px}.link-button:hover{color:var(--accent)}.connection-banner{background:var(--danger);color:#fff;text-align:center;padding:6px;font-size:12px}.sidebar-tabs{gap:8px;padding:8px 12px;display:flex}.sidebar-tabs button{color:var(--text-muted);background:0 0;border:none;border-radius:10px;flex:1;padding:8px;font-size:14px;font-weight:500}.sidebar-tabs button.active{background:var(--accent-bg);color:var(--accent)}.sidebar-list{flex:1;padding:4px 8px;overflow-y:auto}.sidebar-empty{color:var(--text-muted);text-align:center;padding:24px 16px;font-size:14px}.sidebar-item{text-align:left;background:0 0;border:none;border-radius:12px;align-items:center;gap:10px;width:100%;margin-bottom:2px;padding:8px;display:flex}.sidebar-item:hover{background:var(--hover)}.sidebar-item.active{background:var(--active)}.avatar{object-fit:cover;background:var(--accent-bg);border-radius:50%;flex-shrink:0;width:44px;height:44px}.avatar-sm{color:var(--accent);justify-content:center;align-items:center;font-size:16px;font-weight:700;display:flex}.sidebar-item-body{flex:1;min-width:0}.sidebar-item-top,.sidebar-item-bottom{justify-content:space-between;align-items:center;gap:8px;display:flex}.sidebar-item-title{text-overflow:ellipsis;white-space:nowrap;font-size:14.5px;font-weight:600;overflow:hidden}.sidebar-item-time{color:var(--text-muted);flex-shrink:0;font-size:12px}.sidebar-item-preview{color:var(--text-muted);text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.unread-badge{background:var(--accent);color:#fff;border-radius:999px;flex-shrink:0;justify-content:center;align-items:center;min-width:18px;height:18px;padding:0 5px;font-size:11px;font-weight:700;display:flex}.chat-view{flex-direction:column;flex:1;min-width:0;display:flex}.chat-view-placeholder{color:var(--text-muted);flex:1;justify-content:center;align-items:center;display:flex}.chat-view-header{border-bottom:1px solid var(--border);padding:14px 20px}.chat-view-title{font-size:16px;font-weight:600}.chat-view-messages{flex-direction:column;flex:1;gap:4px;padding:16px 20px;display:flex;overflow:hidden auto}.chat-view-empty{color:var(--text-muted);margin:auto;font-size:14px}.bubble-row{justify-content:flex-start;min-width:0;display:flex}.bubble-row.mine{justify-content:flex-end}.bubble{background:var(--bg-bubble-other);border:1px solid var(--border);overflow-wrap:anywhere;border-radius:14px;min-width:0;max-width:100%;margin:3px 0;padding:8px 12px}.bubble-row.mine .bubble{background:var(--bg-bubble-mine);color:var(--text-mine);border-color:#0000}.bubble-sender{color:var(--accent);margin-bottom:2px;font-size:12.5px;font-weight:700}.bubble-reply{border-left:2px solid var(--accent);opacity:.85;margin-bottom:6px;padding:2px 8px;font-size:12.5px}.bubble-reply-author{font-weight:600}.bubble-attachment img{border-radius:8px;max-width:100%;max-height:320px;margin-bottom:4px;display:block}.bubble-file{max-width:100%;color:inherit;overflow-wrap:anywhere;word-break:break-all;margin-bottom:4px;text-decoration:underline;display:inline-block}.bubble-text{white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;font-size:14.5px}.bubble-meta{opacity:.65;justify-content:flex-end;gap:6px;margin-top:4px;font-size:11px;display:flex}.chat-view-composer{border-top:1px solid var(--border);align-items:center;gap:8px;padding:12px 20px;display:flex}.chat-view-composer input{border:1px solid var(--border);background:var(--bg-sidebar);color:var(--text);border-radius:20px;flex:1;padding:11px 14px;font-size:14.5px}.chat-view-composer input:focus{border-color:var(--accent);outline:none}.chat-view-composer button[type=submit]{background:var(--accent);color:#fff;border:none;border-radius:20px;padding:10px 18px;font-size:14px;font-weight:600}.chat-view-composer button[type=submit]:disabled{opacity:.4}.attach-button{background:var(--bg-sidebar);border:none;border-radius:50%;flex-shrink:0;width:40px;height:40px;font-size:18px}.attach-button:hover{background:var(--hover)}.chat-view-header{justify-content:space-between;align-items:center;gap:12px;display:flex}.chat-view-header-actions{align-items:center;gap:14px;display:flex}.chat-view-header-actions .link-button{font-size:16px}.pinned-bar{background:var(--accent-bg);color:var(--accent);border-bottom:1px solid var(--border);text-overflow:ellipsis;white-space:nowrap;padding:8px 20px;font-size:13px;overflow:hidden}.bubble-row.selectable{cursor:pointer;align-items:center;gap:8px}.bubble-select-check{width:18px;height:18px;accent-color:var(--accent);flex-shrink:0}.bubble-row.mine.selectable{flex-direction:row-reverse}.select-action-bar{background:var(--accent-bg);border-top:1px solid var(--border);justify-content:space-between;align-items:center;padding:10px 20px;font-size:14px;display:flex}.select-action-bar button{background:var(--accent);color:#fff;border:none;border-radius:16px;padding:8px 16px;font-size:13px;font-weight:600}.bubble-wrap{flex-direction:column;min-width:0;max-width:62%;display:flex;position:relative}.bubble-row.mine .bubble-wrap{align-items:flex-end}.bubble-actions{background:var(--bg);border:1px solid var(--border);z-index:2;border-radius:10px;gap:2px;padding:2px;display:none;position:absolute;top:-14px;right:8px;box-shadow:0 2px 8px #00000014}.bubble-row.mine .bubble-actions{left:8px;right:auto}.bubble-row:hover .bubble-actions{display:flex}.bubble-actions button{background:0 0;border:none;border-radius:6px;padding:4px 6px;font-size:13px}.bubble-actions button:hover{background:var(--hover)}.emoji-picker{z-index:3;background:var(--bg);border:1px solid var(--border);border-radius:12px;grid-template-columns:repeat(8,1fr);gap:2px;width:240px;padding:8px;display:grid;position:absolute;top:12px;right:8px;box-shadow:0 10px 30px #00000026}.bubble-row.mine .emoji-picker{left:8px;right:auto}.emoji-picker button{background:0 0;border:none;border-radius:6px;padding:4px;font-size:17px}.emoji-picker button:hover,.emoji-picker button.active{background:var(--accent-bg)}.bubble-forwarded{opacity:.75;margin-bottom:4px;font-size:12px;font-style:italic}.bubble-reactions{flex-wrap:wrap;gap:4px;margin-top:4px;display:flex}.reaction-pill{border:1px solid var(--border);background:var(--bg);border-radius:999px;align-items:center;gap:4px;padding:2px 8px;font-size:13px;display:flex}.reaction-pill.mine{border-color:var(--accent);background:var(--accent-bg)}.reaction-count{color:var(--text-muted);font-size:11px;font-weight:600}.composer-toolbar{align-items:center;gap:4px;display:flex}.format-button{background:var(--bg-sidebar);border:none;border-radius:8px;flex-shrink:0;width:32px;height:32px;font-size:14px;font-weight:700}.format-button.italic{font-style:italic;font-weight:400}.format-button.code{font-size:11px}.format-button:hover{background:var(--hover)}.chat-view-composer{flex-wrap:wrap;align-items:flex-end}.chat-view-composer textarea{resize:none;border:1px solid var(--border);background:var(--bg-sidebar);min-width:120px;max-height:120px;color:var(--text);border-radius:18px;flex:1;padding:11px 14px;font-family:inherit;font-size:14.5px;line-height:1.35}.chat-view-composer textarea:focus{border-color:var(--accent);outline:none}.chat-view-composer>button[type=button]:last-child,.chat-view-composer>button:not(.attach-button):not(.format-button){background:var(--accent);color:#fff;border:none;border-radius:20px;flex-shrink:0;padding:10px 18px;font-size:14px;font-weight:600}.chat-view-composer>button:disabled{opacity:.4}.bubble-text code{background:#00000014;border-radius:4px;padding:1px 5px;font-size:.9em}.bubble-text a{color:inherit;text-decoration:underline}.poll-card{min-width:220px;margin-top:6px}.poll-question{margin-bottom:8px;font-size:14.5px;font-weight:600}.poll-closed{opacity:.75;margin-bottom:6px;font-size:12px}.poll-options{flex-direction:column;gap:6px;display:flex}.poll-option{text-align:left;border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text);border-radius:10px;padding:8px 10px;font-size:13.5px;display:block}.bubble-row.mine .poll-option{color:var(--text-mine);background:#ffffff1f;border-color:#ffffff4d}.poll-option.voted{border-color:var(--accent)}.poll-option.correct{border-color:#2fb344}.poll-option:disabled{cursor:default}.poll-option-row{justify-content:space-between;gap:8px;display:flex}.poll-option-pct{opacity:.8;font-weight:600}.poll-option-bar{background:#7f7f7f33;border-radius:999px;height:4px;margin-top:6px;overflow:hidden}.poll-option-bar-fill{opacity:.6;background:currentColor;height:100%}.poll-footer{opacity:.7;margin-top:8px;font-size:11.5px}.modal-overlay{z-index:50;background:#00000073;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-card{background:var(--bg);border-radius:16px;flex-direction:column;gap:14px;width:380px;max-width:calc(100vw - 32px);max-height:calc(100vh - 64px);padding:24px;display:flex;overflow-y:auto;box-shadow:0 20px 60px #0000004d}.modal-card h2{margin:0;font-size:18px}.modal-card label{color:var(--text-muted);flex-direction:column;gap:6px;font-size:13px;display:flex}.modal-card input[type=text],.modal-card input:not([type]){border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:10px;padding:9px 12px;font-size:14px}.modal-checkbox{align-items:center;color:var(--text)!important;flex-direction:row!important;gap:8px!important;font-size:14px!important}.poll-composer-options{flex-direction:column;gap:8px;display:flex}.poll-composer-option-row{align-items:center;gap:6px;display:flex}.poll-composer-option-row input{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:8px;flex:1;padding:8px 10px;font-size:13.5px}.poll-composer-correct{color:var(--text-muted);white-space:nowrap;align-items:center;gap:4px;font-size:12px;display:flex}.modal-actions{justify-content:flex-end;gap:10px;margin-top:4px;display:flex}.modal-actions button[type=submit]{background:var(--accent);color:#fff;border:none;border-radius:10px;padding:9px 18px;font-weight:600}.forward-list{flex-direction:column;gap:4px;max-height:320px;display:flex;overflow-y:auto}.forward-item{text-align:left;background:var(--bg-sidebar);color:var(--text);border:none;border-radius:10px;padding:10px 12px;font-size:14px}.forward-item:hover{background:var(--hover)}.forward-item:disabled{opacity:.6}.call-overlay{color:#fff;z-index:100;background:#101114;flex-direction:column;display:flex;position:fixed;inset:0}.call-overlay-incoming{background:#101114eb;justify-content:center;align-items:center}.call-incoming-card{flex-direction:column;align-items:center;gap:10px;display:flex}.call-avatar-pulse{background:var(--accent);border-radius:50%;justify-content:center;align-items:center;width:84px;height:84px;font-size:34px;font-weight:700;animation:1.6s ease-in-out infinite call-pulse;display:flex}@keyframes call-pulse{0%,to{box-shadow:0 0 #4f7cff80}50%{box-shadow:0 0 0 18px #4f7cff00}}.call-incoming-name{margin-top:6px;font-size:20px;font-weight:600}.call-incoming-sub{color:#fff9;font-size:14px}.call-incoming-actions{gap:24px;margin-top:18px;display:flex}.call-header{text-align:center;padding:20px;font-size:16px;font-weight:600}.call-status{text-align:center;color:#fff9;font-size:14px}.call-grid{flex:1;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));align-content:center;gap:12px;padding:0 20px;display:grid}.call-tile{aspect-ratio:4/3;background:#1c1d22;border-radius:14px;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.call-tile video{object-fit:cover;width:100%;height:100%}.call-tile-label{background:#00000080;border-radius:999px;padding:2px 8px;font-size:12px;position:absolute;bottom:8px;left:10px}.call-controls{justify-content:center;gap:20px;padding:24px;display:flex}.call-btn{color:#fff;background:#ffffff1f;border:none;border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;font-size:20px;display:flex}.call-btn.active{background:#ffffff4d}.call-btn-reject{background:var(--danger)}.call-btn-accept{background:#2fb344}.toast-stack{z-index:200;pointer-events:none;flex-direction:column;align-items:center;gap:8px;display:flex;position:fixed;bottom:20px;left:50%;transform:translate(-50%)}.toast{color:#fff;text-align:center;background:#1c1d22;border-radius:10px;max-width:90vw;padding:10px 18px;font-size:13.5px;box-shadow:0 8px 24px #00000040}