:root{--accent:#2781f6;--accent-hover:#1f6fd6;--accent-soft:#eaf2fe;--bg:#f7f7f7;--surface:#fff;--border:#e2e3e7;--border-weak:#eaeaea;--text:#1c2024;--text-secondary:#60646c;--muted:#60646c;--ruby:#e54666;--teal:#12a594;--sidebar-bg:#fff;--sidebar-text:#1c2024;--sidebar-muted:#60646c;--nav-active:#eaf2fe;--radius:8px;--radius-sm:6px;--shadow:0 1px 2px #1418200f, 0 4px 12px #1418200d;font-family:Inter,-apple-system,system-ui,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:14px}*{box-sizing:border-box}html,body,#root{background:var(--bg);height:100%;margin:0}button{font-family:inherit}input,select,textarea{color:var(--text);font-family:inherit}.chip{border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;padding:6px 12px;font-size:13px;transition:background .2s ease-in-out,border-color .2s ease-in-out}.chip:hover{background:var(--accent-soft)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-thumb{background:#c9d0de;border-radius:4px}@keyframes spin{to{transform:rotate(360deg)}}.app-root{height:100vh;display:flex;overflow:hidden}.app-sidebar{flex:0 0 240px;width:240px}.app-body{flex:1;min-width:0;display:flex}.chats-pane{border-right:1px solid var(--border);background:var(--bg);flex-direction:column;flex:0 0 340px;width:340px;min-width:0;display:flex}.chat-main{flex:1;min-width:0;display:flex}@media (width<=768px){.app-sidebar{flex-basis:60px;width:60px}.chats-pane{flex:0 0 260px;width:260px}}@media (width<=640px){.app-root{flex-direction:column;height:100vh;display:flex}.app-root.chat-open .app-sidebar,.app-root.chat-open .chats-pane{display:none}.app-root.chat-open .chat-main{flex:1;width:100%}.app-root .chat-main .chat-panel-inner>div:first-child{padding:8px 12px}.chat-main .chat-back-btn{justify-content:center;align-items:center;width:30px;height:30px;font-size:20px;line-height:1;color:var(--accent)!important;border-radius:50%!important;display:inline-flex!important}.app-root.chat-open .chat-main .chat-panel-inner button:not(.chat-back-btn):not(.chip){padding:3px 8px;font-size:11px}.msg-actions{opacity:1;pointer-events:auto}.chat-main [style*="flex-direction: column"]{font-size:15px}.composer-row{flex-wrap:nowrap}.composer-row .chip{white-space:nowrap}.composer-row input[type=text]{min-width:0}}.chat-main .chat-panel-inner{flex:1;height:100%}.sb{background:var(--sidebar-bg);border-right:1px solid var(--border);height:100%;color:var(--sidebar-text);flex-direction:column;display:flex;overflow:hidden}.sb-brand{color:var(--text);border-bottom:1px solid var(--border-weak);letter-spacing:-.2px;padding:16px 18px;font-size:15px;font-weight:600}.sb-scroll{flex-direction:column;flex:1;gap:2px;padding:8px;display:flex;overflow-y:auto}.sb-group-label{text-transform:uppercase;letter-spacing:.6px;color:var(--sidebar-muted);padding:10px 10px 4px;font-size:11px;font-weight:600}.sb-item{border-radius:var(--radius);width:100%;color:var(--sidebar-text);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:10px;padding:8px 10px;font-size:13.5px;transition:background .15s ease-in-out;display:flex}.sb-item:hover{background:var(--bg)}.sb-item.active{background:var(--nav-active);color:var(--accent);font-weight:600}.sb-item .sb-ic{text-align:center;flex-shrink:0;width:20px;font-size:15px}.sb-item .sb-txt{white-space:nowrap;text-overflow:ellipsis;flex:1;overflow:hidden}.sb-item .sb-badge{background:var(--accent);color:#fff;border-radius:10px;flex-shrink:0;padding:1px 8px;font-size:10px;font-weight:600}.sb-sub{color:var(--sidebar-muted);cursor:pointer;text-align:left;border-radius:var(--radius-sm);background:0 0;border:none;align-items:center;gap:8px;padding:6px 10px 6px 38px;font-size:12.5px;display:flex}.sb-sub:hover{background:var(--bg)}.sb-sub .dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.sb-footer{border-top:1px solid var(--border-weak);flex-direction:column;gap:2px;padding:10px;display:flex}.sb-user{border-radius:var(--radius);align-items:center;gap:10px;padding:8px 10px;display:flex}.sb-user .sb-avatar{background:var(--accent);color:#fff;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:13px;font-weight:600;display:flex}.sb-user .sb-uname{flex:1;min-width:0}.sb-user .sb-uname .n{color:var(--text);white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:600;overflow:hidden}.sb-user .sb-uname .r{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.sb-user .sb-gear{border-radius:var(--radius-sm);width:28px;height:28px;color:var(--muted);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;font-size:15px;display:inline-flex}.sb-user .sb-gear:hover{background:var(--bg)}.sb-logout{border-radius:var(--radius);color:var(--ruby);text-align:left;cursor:pointer;background:0 0;border:none;align-items:center;gap:10px;padding:8px 10px;font-size:13px;font-weight:500;display:flex}.sb-logout:hover{background:#fdeef2}.cr{cursor:pointer;border-radius:var(--radius);background:0 0;border-left:3px solid #0000;align-items:center;gap:10px;margin:1px 6px;padding:10px 12px;transition:background .15s ease-in-out;display:flex}.cr:hover{background:var(--surface)}.cr.active{background:var(--surface);border-left:3px solid var(--accent);box-shadow:var(--shadow)}.cr-avatar{color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:14px;font-weight:600;display:flex}.cr-name{color:var(--text);white-space:nowrap;text-overflow:ellipsis;font-size:13.5px;font-weight:600;overflow:hidden}.cr-label{color:var(--accent);font-weight:500}.cr-preview{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;font-size:12.5px;overflow:hidden}.cr-time{color:var(--muted);flex-shrink:0;font-size:11px}.cr-unread{background:var(--accent);color:#fff;border-radius:10px;justify-content:center;align-items:center;min-width:18px;height:18px;padding:0 5px;font-size:11px;font-weight:600;display:inline-flex}.cr-acc{color:var(--muted);font-size:11px;font-weight:500}.chat-header{border-bottom:1px solid var(--border);background:var(--surface);justify-content:space-between;align-items:center;padding:10px 16px;display:flex}.chat-header .title{color:var(--text);font-size:15px;font-weight:600}.chat-header .sub{color:var(--muted);font-size:12px}.msg-actions{opacity:0;pointer-events:none;transition:opacity .15s ease-in-out}div:hover>.msg-actions,.msg-wrap:hover .msg-actions{opacity:1;pointer-events:auto}details.sidebar-companies>summary{list-style:none}details.sidebar-companies>summary::-webkit-details-marker{display:none}details.sidebar-companies>summary::marker{content:""}details.sidebar-companies[open]>summary{color:var(--text)}