:root{--bg:#f4f6f9;--panel:#fff;--text:#1e2430;--muted:#6b7380;--line:#dce2ea;--accent:#2f6fed}
*{box-sizing:border-box}
body{margin:0;font:14px/1.3 Inter,Segoe UI,Arial,sans-serif;color:var(--text);background:var(--bg)}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.topbar h1{font-size:18px;margin:0}.userbox{display:flex;gap:8px;align-items:center}
input,button{border:1px solid var(--line);border-radius:8px;padding:7px 10px;background:#fff}button{cursor:pointer}
button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.layout{display:grid;grid-template-columns:260px 1fr;gap:10px;padding:10px;height:calc(100vh - 58px)}
.panel,.content{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px;overflow:auto}
.panel h2{margin:0 0 8px;font-size:15px}.panel label{display:block;margin:6px 0}.stats{color:var(--muted);font-size:12px}
.tabs{display:flex;gap:8px;margin-bottom:10px}.tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.tree{display:flex;flex-direction:column;gap:6px}
.report{border:1px solid var(--line);border-radius:8px;padding:8px;background:#fff}
.reportHeader{display:flex;justify-content:space-between;align-items:center;gap:10px}
.reportTitle{font-weight:600}
.variants{margin-top:8px;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:6px}
.variant{border:1px solid #eef2f7;border-radius:6px;padding:4px 6px;background:#fbfcfe}
.hidden{display:none}
.table{width:100%;border-collapse:collapse;font-size:12px}.table th,.table td{border:1px solid var(--line);padding:6px 8px;text-align:left}
.muted{color:var(--muted)}

@media (max-width: 1024px){
  .layout{grid-template-columns:1fr;height:auto;min-height:calc(100vh - 58px)}
  .panel{order:1}
  .content{order:2}
}

@media (max-width: 640px){
  body{font-size:16px;line-height:1.35}
  .topbar{padding:8px 10px;align-items:stretch;flex-direction:column;gap:8px}
  .topbar h1{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .userbox{display:grid;grid-template-columns:1fr auto;gap:8px}
  #employeeInput{grid-column:1 / -1;width:100%}
  #loadBtn{display:none}
  input,button{min-height:42px;font-size:16px}
  .layout{padding:8px;gap:8px}
  .panel,.content{padding:8px;border-radius:8px}
  .panel h2, .panel hr{display:none}
  .panel label{display:inline-flex;align-items:center;margin:0 12px 8px 0}
  .stats{font-size:11px}
  .tabs{position:sticky;top:0;background:#fff;padding-bottom:6px;z-index:2}
  .tab{flex:1}
  .report{padding:8px}
  .reportHeader{align-items:flex-start;flex-direction:column}
  .variants{grid-template-columns:1fr}
  .variant{padding:8px}
  .table{font-size:11px}
}