:root{--accent:#2f6feb;--accent-soft:#eef3ff;--bg:#f2f4f8;--border:#e2e6ee;--text:#1c2434;--muted:#7b8494;font-family:Segoe UI,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}button{font-family:inherit}.chip{border:1px solid var(--border);color:var(--text);cursor:pointer;background:#fff;border-radius:16px;padding:6px 12px;font-size:13px}.chip:hover{background:var(--accent-soft)}input,select{color:var(--text);font-family:inherit}::-webkit-scrollbar{width:8px}@keyframes spin{to{transform:rotate(360deg)}}::-webkit-scrollbar-thumb{background:#c9d0de;border-radius:4px}.app-root{height:100vh;display:flex;overflow:hidden}.app-sidebar{flex:0 0 200px;width:200px}.app-body{flex:1;min-width:0;display:flex}.chats-pane{border-right:1px solid var(--border);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}}.chat-main .chat-panel-inner{flex:1;height:100%}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:#cfd6e4}.msg-actions{opacity:0;pointer-events:none}div:hover>.msg-actions,.msg-wrap:hover .msg-actions{opacity:1;pointer-events:auto}