*{box-sizing:border-box}[hidden]{display:none!important}html,body{height:100%;margin:0;font-family:system-ui,-apple-system,sans-serif}#app{background:var(--bg,#f6f7fb);height:100%;color:var(--text,#1a1a2e);flex-direction:column;display:flex}#header{background:var(--header,var(--theme,#0f3460));color:var(--on-header,#fff);align-items:center;gap:8px;padding:10px 12px;display:flex}#header-info{flex:1;min-width:0}#bot-name{font-size:15px;font-weight:600}#tagline{opacity:.85;white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}#status{opacity:.85;font-size:12px}.dot{background:#4ade80;border-radius:50%;width:8px;height:8px;margin-right:3px;display:inline-block}#back-btn,#end-btn,#close-btn{color:#fff;cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;min-width:40px;min-height:40px;padding:4px 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