:root{
    --bg:#f4f5f7; --panel:#ffffff; --panel-2:#fafbfc; --ink:#1d2733; --muted:#6b7688;
    --line:#e4e7ec; --line-2:#eef0f3; --brand:#2f6df0; --brand-ink:#1b4fd1;
    --good:#1a9b6c; --good-bg:#e6f6ef; --warn:#c98a12; --warn-bg:#fdf3df; --bad:#d64545; --bad-bg:#fbe9e9;
    --input-bg:#f0f5ff; --input-ink:#1b4fd1;
    --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.1);
    --radius:10px;
    --c-Bills:#5b6bef; --c-Groceries:#1a9b6c; --c-PubSocial:#e0803a; --c-Takeaway:#d6548a;
    --c-Travel:#3aa5c9; --c-Gifts:#9b6bd6; --c-Other:#8a94a6; --c-Savings:#12a594;
  }
  /* dark palette applies when the OS asks for it AND no explicit choice is set,
     or whenever the user has explicitly chosen dark. data-theme="light" always wins. */
  @media (prefers-color-scheme: dark){
    :root:not([data-theme]){
      --bg:#0f141b; --panel:#171e27; --panel-2:#1b232e; --ink:#e7ecf3; --muted:#93a0b2;
      --line:#2a333f; --line-2:#232b35; --brand:#5b8bf5; --brand-ink:#8fb2fb;
      --good:#3fca97; --good-bg:#123026; --warn:#e0ab4c; --warn-bg:#332a12; --bad:#ee7676; --bad-bg:#331d1d;
      --input-bg:#12233f; --input-ink:#9fc0ff;
      --shadow:0 1px 2px rgba(0,0,0,.3);
    }
  }
  :root[data-theme="dark"]{
    --bg:#0f141b; --panel:#171e27; --panel-2:#1b232e; --ink:#e7ecf3; --muted:#93a0b2;
    --line:#2a333f; --line-2:#232b35; --brand:#5b8bf5; --brand-ink:#8fb2fb;
    --good:#3fca97; --good-bg:#123026; --warn:#e0ab4c; --warn-bg:#332a12; --bad:#ee7676; --bad-bg:#331d1d;
    --input-bg:#12233f; --input-ink:#9fc0ff;
    --shadow:0 1px 2px rgba(0,0,0,.3);
  }
  .themebtn{display:flex;gap:4px;margin:0 0 8px}
  .themebtn button{flex:1;border:1px solid var(--line);background:var(--panel);color:var(--muted);border-radius:7px;padding:5px 0;font-size:11px;font-weight:600}
  .themebtn button.on{background:var(--input-bg);color:var(--brand-ink);border-color:var(--brand)}
  *{box-sizing:border-box}
  html,body{margin:0;height:100%}
  body{background:var(--bg);color:var(--ink);font:14px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
  a{color:var(--brand)}
  button{font:inherit;cursor:pointer}
  .app{display:grid;grid-template-columns:212px 1fr;min-height:100vh}
  /* ---- sidebar ---- */
  .side{background:var(--panel);border-right:1px solid var(--line);padding:16px 12px;display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100vh}
  .brand{font-weight:700;font-size:16px;padding:6px 10px 14px;letter-spacing:-.2px}
  .brand small{display:block;font-weight:500;color:var(--muted);font-size:11px;margin-top:2px}
  .nav{padding:9px 11px;border-radius:8px;color:var(--muted);font-weight:600;display:flex;align-items:center;gap:9px;border:none;background:none;width:100%;text-align:left}
  .nav:hover{background:var(--panel-2);color:var(--ink)}
  .nav.active{background:var(--input-bg);color:var(--brand-ink)}
  .nav .ic{width:16px;text-align:center;font-size:14px}
  .side .foot{margin-top:auto;font-size:11px;color:var(--muted);padding:8px 10px;border-top:1px solid var(--line-2)}
  .dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--muted);margin-right:6px}
  .dot.on{background:var(--good)} .dot.dirty{background:var(--warn)}
  /* ---- main ---- */
  .main{padding:22px 26px 60px;max-width:1180px;width:100%}
  .head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:18px}
  .head h1{font-size:20px;margin:0;letter-spacing:-.3px}
  .head .sub{color:var(--muted);font-size:13px}
  .spacer{flex:1}
  .card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
  .pad{padding:16px 18px}
  .grid{display:grid;gap:14px}
  .kpis{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
  .kpi{padding:14px 16px}
  .kpi .lab{color:var(--muted);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.4px}
  .kpi .val{font-size:23px;font-weight:700;margin-top:4px;letter-spacing:-.5px}
  .kpi .sub{font-size:12px;color:var(--muted);margin-top:2px}
  .val.good{color:var(--good)} .val.bad{color:var(--bad)}
  /* controls */
  select,input[type=text],input[type=number],input[type=date]{font:inherit;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:7px 9px}
  select:focus,input:focus{outline:2px solid var(--brand);outline-offset:-1px;border-color:var(--brand)}
  .seg{display:inline-flex;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;padding:2px}
  .seg button{border:none;background:none;color:var(--muted);padding:6px 12px;border-radius:6px;font-weight:600}
  .seg button.on{background:var(--panel);color:var(--ink);box-shadow:var(--shadow)}
  .btn{border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:8px;padding:8px 13px;font-weight:600}
  .btn:hover{background:var(--panel-2)}
  .btn.pri{background:var(--brand);border-color:var(--brand);color:#fff}
  .btn.pri:hover{filter:brightness(1.06)}
  .btn.sm{padding:5px 9px;font-size:12px;border-radius:7px}
  .btn.danger{color:var(--bad);border-color:var(--bad)}
  .chip{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;padding:3px 9px;border-radius:20px;background:var(--panel-2);border:1px solid var(--line)}
  .tag{display:inline-block;font-size:11px;font-weight:700;padding:2px 8px;border-radius:20px;color:#fff}
  /* table */
  table{border-collapse:collapse;width:100%}
  th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line-2);vertical-align:middle}
  th{font-size:11px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);font-weight:700;position:sticky;top:0;background:var(--panel);z-index:1}
  td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
  tr:hover td{background:var(--panel-2)}
  .tablewrap{overflow-x:auto}
  .bar{height:7px;border-radius:6px;background:var(--line);overflow:hidden;min-width:70px}
  .bar > i{display:block;height:100%;border-radius:6px}
  .muted{color:var(--muted)}
  .right{text-align:right}
  .flex{display:flex;align-items:center;gap:10px}
  .wrap{flex-wrap:wrap}
  .pill{font-size:12px;padding:3px 8px;border-radius:6px;background:var(--panel-2);border:1px solid var(--line);color:var(--muted)}
  .inline-in{border:1px solid transparent;background:none;border-radius:6px;padding:4px 6px;width:100%;color:var(--ink)}
  .inline-in:hover{border-color:var(--line)}
  .banner{background:var(--warn-bg);color:var(--warn);border:1px solid var(--warn);border-radius:8px;padding:9px 13px;font-weight:600;font-size:13px}
  .empty{padding:40px;text-align:center;color:var(--muted)}
  .sel-cat{border:1px solid var(--line);border-radius:7px;padding:4px 6px;background:var(--panel);font-size:13px}
  h3.sec{font-size:13px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin:2px 0 10px}
  .row2{display:grid;grid-template-columns:1.5fr 1fr;gap:14px}
  @media(max-width:900px){.row2{grid-template-columns:1fr}.app{grid-template-columns:1fr}.side{position:static;height:auto;flex-direction:row;flex-wrap:wrap;overflow:auto}.side .foot{display:none}}
  .legend{display:flex;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--muted)}
  .legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px;vertical-align:-1px}
  .modal-bg{position:fixed;inset:0;background:rgba(10,15,22,.45);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}
  .modal{background:var(--panel);border-radius:12px;box-shadow:0 12px 40px rgba(0,0,0,.3);max-width:520px;width:100%;padding:22px}
  .field{display:flex;flex-direction:column;gap:5px;margin-bottom:12px}
  .field label{font-size:12px;font-weight:600;color:var(--muted)}
  .dropzone{border:2px dashed var(--line);border-radius:12px;padding:34px;text-align:center;color:var(--muted);background:var(--panel-2)}
  .dropzone.drag{border-color:var(--brand);background:var(--input-bg)}
  code{background:var(--panel-2);padding:1px 5px;border-radius:5px;border:1px solid var(--line);font-size:12px}
  .nbadge{margin-left:auto;background:var(--warn);color:#fff;font-size:11px;font-weight:700;border-radius:20px;padding:1px 7px;min-width:18px;text-align:center;line-height:1.5}
  .nbadge:empty{display:none}
  tr.needs td{background:var(--warn-bg)}
  tr.needs-unknown td{background:var(--bad-bg)}
  tr.needs:hover td,tr.needs-unknown:hover td{filter:brightness(.98)}
  .btn.ok{color:var(--good);border-color:var(--good)}
  .btn.ok:hover{background:var(--good-bg)}
  .lockic{color:var(--muted);font-size:12px;margin-left:5px}
  .review-tag{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.4px;color:var(--warn);margin-left:6px}