:root{
    --bg:#0d1117; --panel:#161b22; --panel2:#1c2330; --border:#2a3340;
    --text:#e6edf3; --muted:#8b949e; --accent:#58a6ff; --green:#3fb950;
    --peak:#f78166; --peak2:#ff7b00; --yellow:#d29922; --red:#f85149;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.5;padding:28px 22px 60px;max-width:1180px;margin:0 auto}
  header{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:14px;border-bottom:1px solid var(--border);padding-bottom:18px;margin-bottom:24px}
  h1{font-size:24px;font-weight:650;letter-spacing:-.3px}
  h1 .sub{display:block;font-size:13px;font-weight:400;color:var(--muted);margin-top:4px}
  h2{font-size:16px;font-weight:600;margin:34px 0 14px;color:var(--text)}
  .controls{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
  .ctl{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
  select,.btn{background:var(--panel2);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:7px 11px;font-size:13px;cursor:pointer;font-family:inherit}
  select:hover,.btn:hover{border-color:var(--accent)}
  .btn.small{padding:6px 10px;font-size:12.5px}
  .tzbtns{display:inline-flex;border:1px solid var(--border);border-radius:8px;overflow:hidden}
  .tzbtns button{background:transparent;color:var(--muted);border:none;padding:7px 13px;font-size:12.5px;cursor:pointer;font-weight:500}
  .tzbtns button.active{background:var(--accent);color:#071019;font-weight:600}
  .summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:8px}
  .card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:18px 20px}
  .card .label{font-size:11.5px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);font-weight:600}
  .card .value{font-size:30px;font-weight:700;margin-top:6px;letter-spacing:-.5px}
  .card .value.spend{color:var(--green)}
  .card .value.warn{color:var(--peak)}
  .card .meta{font-size:12px;color:var(--muted);margin-top:4px}
  .chartbox{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:18px;height:360px;position:relative}
  .table-scroll{width:100%;overflow-x:auto;border:1px solid var(--border);border-radius:12px;background:var(--panel)}
  .table-scroll table{border:0;border-radius:0}
  table{width:100%;min-width:760px;border-collapse:collapse;background:var(--panel);border:1px solid var(--border);border-radius:12px;overflow:hidden;font-size:13.5px}
  #callsTable{min-width:1160px}
  #userTable{min-width:880px}
  #modelTable{min-width:880px}
  #reasonTable,#tierTable{min-width:760px}
  th,td{padding:11px 14px;text-align:left}
  th{background:var(--panel2);font-size:11.5px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);font-weight:600}
  td{border-top:1px solid var(--border);cursor:copy}
  th,td{white-space:nowrap}
  tr:hover td{background:rgba(88,166,255,.05)}
  td a{color:var(--accent);text-decoration:none;cursor:pointer;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}
  td a:hover{text-decoration:underline}
  td.copied{animation:cellflash .6s ease}
  @keyframes cellflash{0%{background:rgba(63,185,80,.4)}100%{background:transparent}}
  #copytoast{position:fixed;z-index:100;background:var(--green);color:#071019;font-size:11.5px;font-weight:700;padding:4px 9px;border-radius:6px;pointer-events:none;opacity:0;transform:translate(-50%,-130%);transition:opacity .12s ease}
  #copytoast.show{opacity:1}
  td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
  .rank{color:var(--muted);width:36px}
  .model{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px}
  .mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;color:var(--muted)}
  .bar{height:6px;background:var(--accent);border-radius:3px;display:inline-block;vertical-align:middle;margin-right:8px;min-width:2px}
  .pct{color:var(--muted);font-size:12px}
  .cpc{color:var(--yellow)}
  .tag{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600;letter-spacing:.3px}
  .tag.message{background:rgba(88,166,255,.15);color:var(--accent)}
  .tag.context_extraction{background:rgba(247,129,102,.15);color:var(--peak)}
  .tag.chat_title{background:rgba(63,185,80,.15);color:var(--green)}
  .tag.roleplay_suggestion{background:rgba(210,153,34,.18);color:var(--yellow)}
  th.sortable{cursor:pointer;user-select:none;white-space:nowrap}
  th.sortable:hover{color:var(--text)}
  th.sortable.active{color:var(--accent)}
  th.sortable .arrow{font-size:9px;margin-left:5px;opacity:.35}
  th.sortable.active .arrow{opacity:1}
  .foot{margin-top:40px;font-size:11.5px;color:var(--muted);text-align:center;border-top:1px solid var(--border);padding-top:16px}
  .legend{font-size:12px;color:var(--muted);margin:8px 2px 0;display:flex;gap:18px;flex-wrap:wrap}
  .legend span{display:inline-flex;align-items:center;gap:6px}
  .swatch{width:12px;height:12px;border-radius:3px;display:inline-block}
  .section-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px}
  .section-tabs button{background:var(--panel2);color:var(--muted);border:1px solid var(--border);border-radius:8px;padding:7px 13px;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit}
  .section-tabs button:hover{border-color:var(--accent);color:var(--text)}
  .section-tabs button.active{background:var(--accent);border-color:var(--accent);color:#071019}
  .spend-panel{margin-bottom:4px}
  .section-note{font-size:11.5px;font-weight:400;color:var(--muted);margin:-4px 2px 10px}
  .section-note.inline{margin:0}
  .note{font-size:12.5px;color:var(--muted);margin:8px 2px}
  .note.err{color:var(--red)}
  .hidden{display:none!important}
  /* Login */
  #login{position:fixed;inset:0;background:var(--bg);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}
  .loginbox{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:30px 28px;width:100%;max-width:380px}
  .loginbox h2{margin:0 0 6px;font-size:20px}
  .loginbox p{color:var(--muted);font-size:13px;margin-bottom:18px}
  .field{margin-bottom:14px}
  .field label{display:block;font-size:12px;color:var(--muted);margin-bottom:5px;font-weight:600}
  .field input{width:100%;background:var(--panel2);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:10px 12px;font-size:14px;font-family:inherit}
  .field input:focus{outline:none;border-color:var(--accent)}
  .loginbox .btn{width:100%;justify-content:center;background:var(--accent);color:#071019;font-weight:600;border-color:var(--accent);padding:11px;font-size:14px}
  .loginerr{color:var(--red);font-size:12.5px;margin-top:10px;min-height:16px}
  .userchip{font-size:12.5px;color:var(--muted)}
  .userchip b{color:var(--text)}