:root{
    --paper:#EFF3EA;
    --paper-deep:#E3E9D8;
    --line:#C9D3BE;
    --line-soft:#DCE3D2;
    --ink:#17241A;
    --ink-soft:#57654F;
    --ink-faint:#8C9884;
    --card:#FBFCF8;
    --forest:#1E5631;
    --forest-soft:#DDE8DC;
    --brass:#A07422;
    --brass-soft:#F0E6C8;
    --rust:#A23E2D;
    --rust-soft:#F3DCD5;
    --olive:#6B7A3F;
    --teal:#2E6E63;
    --clay:#8C4A2F;
    --radius:10px;
    --shadow:0 1px 2px rgba(23,36,23,.06), 0 6px 18px rgba(23,36,23,.07);
    --font-display:'Source Serif 4', Georgia, serif;
    --font-body:'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono:'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  }
  *{ box-sizing:border-box; }
  html,body{ margin:0; padding:0; }
  body{
    background:var(--paper);
    color:var(--ink);
    font-family:var(--font-body);
    line-height:1.45;
    -webkit-font-smoothing:antialiased;
  }
  a{ color:inherit; }
  button{ font-family:inherit; }
  ::selection{ background:var(--forest-soft); color:var(--forest); }
  :focus-visible{ outline:2px solid var(--forest); outline-offset:2px; border-radius:4px; }

  .wrap{ max-width:1180px; margin:0 auto; padding:28px 20px 80px; }

  /* ---------- Masthead ---------- */
  .masthead{
    display:flex; align-items:flex-end; justify-content:space-between;
    gap:20px; flex-wrap:wrap;
    padding-bottom:18px; border-bottom:2px solid var(--ink);
    margin-bottom:22px;
  }
  .masthead-title-row{ display:flex; align-items:baseline; gap:12px; flex-wrap:wrap; }
  .masthead h1{
    font-family:var(--font-display); font-weight:700; font-size:2rem;
    margin:0; letter-spacing:-.01em; color:var(--ink);
  }
  .masthead .eyebrow{
    font-family:var(--font-mono); font-size:.72rem; letter-spacing:.12em;
    text-transform:uppercase; color:var(--forest); font-weight:600;
    border:1px solid var(--forest); border-radius:20px; padding:3px 10px;
  }
  .masthead p{ margin:6px 0 0; color:var(--ink-soft); font-size:.92rem; max-width:46ch; }
  .data-source-line{ font-family:var(--font-mono); font-size:.74rem !important; color:var(--ink-faint) !important; margin-top:8px !important; }
  .data-source-line button{ background:none; border:none; color:var(--forest); text-decoration:underline; text-underline-offset:2px; cursor:pointer; font-family:inherit; font-size:inherit; padding:0; margin-left:6px; }
  .masthead-actions{ display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
  .import-status{
    margin:-8px 0 18px; padding:9px 14px; border-radius:8px; font-size:.82rem;
    border:1px solid var(--line);
  }
  .import-status.ok{ background:var(--forest-soft); color:var(--forest); border-color:var(--forest); }
  .import-status.err{ background:var(--rust-soft); color:var(--rust); border-color:var(--rust); }
  .add-bill-btn{
    background:var(--forest); color:#fff; border:none; border-radius:8px;
    padding:11px 18px; font-size:.88rem; font-weight:600; cursor:pointer;
    box-shadow:var(--shadow); white-space:nowrap; transition:background .15s ease, transform .1s ease;
  }
  .add-bill-btn:hover{ background:#164426; }
  .add-bill-btn:active{ transform:translateY(1px); }
  .replace-toggle{
    display:flex; align-items:center; gap:6px; font-size:.76rem; color:var(--ink-soft);
    cursor:pointer; user-select:none; white-space:nowrap;
  }
  .replace-toggle input{ accent-color:var(--rust); cursor:pointer; }

  /* ---------- Export buttons (table header) ---------- */
  .export-buttons{ display:flex; gap:8px; margin-left:auto; }
  .export-buttons .btn-secondary{ padding:7px 13px; font-size:.8rem; }

  /* ---------- Edit icon (shares .icon-btn base look) ---------- */
  .icon-btn.edit-btn:hover{ color:var(--forest); background:var(--forest-soft); }

  /* ---------- Inline loading / disabled states ---------- */
  button:disabled{ opacity:.55; cursor:not-allowed; }

  /* ---------- FY Tabs (signature element) ---------- */
  .fy-tabs-wrap{ border-bottom:2px solid var(--line); margin-bottom:22px; }
  .fy-tabs{ display:flex; gap:6px; overflow-x:auto; padding:0 2px; scrollbar-width:thin; }
  .fy-tab{
    position:relative; flex:0 0 auto;
    padding:9px 15px 12px; margin-top:6px;
    font-family:var(--font-mono); font-size:.76rem; font-weight:500; letter-spacing:.01em;
    background:var(--paper-deep); color:var(--ink-soft);
    border:1px solid var(--line); border-bottom:none;
    border-radius:7px 7px 0 0; cursor:pointer;
    transition:margin-top .15s ease, background .15s ease, color .15s ease;
    white-space:nowrap;
  }
  .fy-tab:hover{ margin-top:2px; color:var(--ink); }
  .fy-tab.active{
    background:var(--paper); color:var(--ink); font-weight:700;
    margin-top:0; margin-bottom:-2px; padding-bottom:14px; z-index:2;
    border-color:var(--line); border-top:3px solid var(--tab-color, var(--forest));
  }

  /* ---------- Toolbar ---------- */
  .toolbar{
    display:flex; align-items:center; gap:12px; flex-wrap:wrap;
    margin-bottom:24px;
  }
  .chip-group{ display:flex; gap:6px; flex-wrap:wrap; }
  .chip{
    font-family:var(--font-body); font-size:.8rem; font-weight:500;
    padding:7px 13px; border-radius:999px; border:1px solid var(--line);
    background:var(--card); color:var(--ink-soft); cursor:pointer;
    transition:all .12s ease;
  }
  .chip.active{ background:var(--ink); color:var(--paper); border-color:var(--ink); }
  .chip:hover:not(.active){ border-color:var(--ink-faint); color:var(--ink); }
  .search-box{
    position:relative; flex:1 1 220px; max-width:320px; margin-left:auto;
  }
  .search-box input{
    width:100%; padding:9px 12px 9px 32px; border-radius:8px; border:1px solid var(--line);
    background:var(--card); font-family:var(--font-body); font-size:.85rem; color:var(--ink);
  }
  .search-box input::placeholder{ color:var(--ink-faint); }
  .search-box svg{ position:absolute; left:10px; top:50%; transform:translateY(-50%); opacity:.5; }
  .reset-link{
    font-size:.78rem; color:var(--ink-soft); background:none; border:none; cursor:pointer;
    text-decoration:underline; text-underline-offset:2px; padding:6px 2px;
  }
  .reset-link:hover{ color:var(--rust); }

  /* ---------- KPI cards ---------- */
  .kpis{ display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-bottom:28px; }
  .kpi-card{
    background:var(--card); border:1px solid var(--line); border-top:3px solid var(--accent, var(--forest));
    border-radius:var(--radius); padding:16px 18px 18px; box-shadow:var(--shadow);
  }
  .kpi-eyebrow{
    font-size:.7rem; text-transform:uppercase; letter-spacing:.09em; font-weight:700;
    color:var(--ink-soft);
  }
  .kpi-value{
    font-family:var(--font-mono); font-variant-numeric:tabular-nums; font-weight:600;
    font-size:1.7rem; color:var(--ink); margin-top:7px; line-height:1;
  }
  .kpi-sub{ font-size:.78rem; color:var(--ink-soft); margin-top:8px; }
  .kpi-bar{ height:5px; border-radius:3px; background:var(--line-soft); margin-top:10px; overflow:hidden; display:flex; }
  .kpi-bar-fill{ height:100%; background:var(--accent); transition:width .5s ease; }

  /* ---------- Chart cards ---------- */
  .charts-grid{ display:grid; grid-template-columns:1fr; gap:14px; margin-bottom:28px; }
  .charts-row{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }
  .chart-card{
    background:var(--card); border:1px solid var(--line); border-top:3px solid var(--accent, var(--olive));
    border-radius:var(--radius); padding:16px 18px 10px; box-shadow:var(--shadow);
  }
  .chart-card h3{
    font-family:var(--font-display); font-size:1rem; font-weight:600; margin:0 0 2px;
  }
  .chart-card .desc{ font-size:.76rem; color:var(--ink-soft); margin:0 0 10px; }
  .chart-card .canvas-wrap{ position:relative; height:230px; }
  .chart-card .canvas-wrap.tall{ height:340px; }

  /* ---------- Table ---------- */
  .table-section{
    background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
    box-shadow:var(--shadow); overflow:hidden;
  }
  .table-head{
    display:flex; align-items:baseline; justify-content:space-between; flex-wrap:wrap; gap:8px;
    padding:16px 18px 12px; border-bottom:1px solid var(--line-soft);
  }
  .table-head h3{ font-family:var(--font-display); font-size:1.08rem; margin:0; }
  .table-head .count{ font-size:.78rem; color:var(--ink-soft); font-family:var(--font-mono); }
  .table-scroll{ overflow-x:auto; }
  table{ width:100%; border-collapse:collapse; font-size:.84rem; min-width:900px; }
  thead th{
    position:sticky; top:0; background:var(--paper-deep); text-align:left;
    padding:10px 14px; font-size:.7rem; text-transform:uppercase; letter-spacing:.06em;
    color:var(--ink-soft); font-weight:700; border-bottom:1px solid var(--line);
    cursor:pointer; user-select:none; white-space:nowrap;
  }
  thead th:hover{ color:var(--ink); }
  thead th .arrow{ margin-left:4px; opacity:.6; font-size:.7em; }
  thead th.num, td.num{ text-align:right; }
  tbody tr.bill-row{ cursor:pointer; border-bottom:1px solid var(--line-soft); transition:background .1s ease; }
  tbody tr.bill-row:hover{ background:var(--forest-soft); }
  tbody tr.bill-row.custom{ background:rgba(160,116,34,.06); }
  td{ padding:10px 14px; vertical-align:middle; }
  td.mono, .mono-cell{ font-family:var(--font-mono); font-variant-numeric:tabular-nums; }
  .status-pill{
    display:inline-block; padding:3px 10px; border-radius:999px; font-size:.72rem; font-weight:600;
  }
  .status-Paid{ background:var(--forest-soft); color:var(--forest); }
  .status-Partial{ background:var(--brass-soft); color:var(--brass); }
  .status-Pending{ background:var(--rust-soft); color:var(--rust); }
  .custom-badge{
    font-size:.62rem; font-family:var(--font-mono); text-transform:uppercase; letter-spacing:.05em;
    color:var(--brass); border:1px solid var(--brass); border-radius:4px; padding:1px 5px; margin-left:6px;
  }
  .row-actions{ display:flex; align-items:center; gap:8px; justify-content:flex-end; }
  .icon-btn{
    background:none; border:none; cursor:pointer; color:var(--ink-faint); padding:4px; border-radius:4px;
    display:inline-flex; align-items:center;
  }
  .icon-btn:hover{ color:var(--rust); background:var(--rust-soft); }
  .confirm-del{ display:flex; align-items:center; gap:6px; font-size:.74rem; }
  .confirm-del button{
    border:none; border-radius:5px; padding:3px 8px; font-size:.72rem; cursor:pointer; font-weight:600;
  }
  .confirm-yes{ background:var(--rust); color:#fff; }
  .confirm-no{ background:var(--line-soft); color:var(--ink-soft); }

  tr.detail-row td{ background:var(--paper); padding:0; }
  .detail-inner{ padding:14px 20px 18px 44px; }
  .detail-inner table{ min-width:0; width:auto; font-size:.8rem; }
  .detail-inner th{ position:static; background:none; padding:4px 16px 4px 0; border:none; text-transform:none; letter-spacing:0; font-weight:600; color:var(--ink-faint); font-size:.68rem; text-transform:uppercase; }
  .detail-inner td{ padding:4px 16px 4px 0; border:none; }
  .detail-total-line{ margin-top:8px; font-size:.78rem; color:var(--ink-soft); border-top:2px double var(--line); padding-top:8px; display:inline-block; }

  .empty-state{ padding:50px 20px; text-align:center; }
  .empty-state .glyph{ font-family:var(--font-display); font-size:2.2rem; color:var(--ink-faint); margin-bottom:6px; }
  .empty-state p{ color:var(--ink-soft); font-size:.88rem; margin:4px 0 14px; }
  .empty-state button{
    background:var(--ink); color:var(--paper); border:none; border-radius:8px; padding:9px 16px;
    font-size:.82rem; cursor:pointer; font-weight:600;
  }

  footer{ text-align:center; margin-top:34px; color:var(--ink-faint); font-size:.76rem; font-family:var(--font-mono); }
  footer .storage-note{ margin-top:4px; }

  /* ---------- Modal ---------- */
  .modal-overlay{
    position:fixed; inset:0; background:rgba(23,36,23,.45); backdrop-filter:blur(2px);
    display:flex; align-items:flex-start; justify-content:center; padding:36px 16px;
    z-index:50; overflow-y:auto;
  }
  .modal{
    background:var(--paper); border-radius:14px; max-width:640px; width:100%;
    box-shadow:0 20px 60px rgba(0,0,0,.25); border:1px solid var(--line);
  }
  .modal-head{
    display:flex; align-items:center; justify-content:space-between;
    padding:18px 22px; border-bottom:2px solid var(--ink);
  }
  .modal-head h2{ font-family:var(--font-display); font-size:1.25rem; margin:0; }
  .modal-close{ background:none; border:none; font-size:1.3rem; cursor:pointer; color:var(--ink-soft); line-height:1; padding:4px; }
  .modal-body{ padding:20px 22px; max-height:70vh; overflow-y:auto; }
  .form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }
  .form-field{ display:flex; flex-direction:column; gap:5px; }
  .form-field.span2{ grid-column:1 / -1; }
  .form-field label{ font-size:.74rem; font-weight:700; color:var(--ink-soft); text-transform:uppercase; letter-spacing:.05em; }
  .form-field input, .form-field select{
    padding:9px 11px; border-radius:7px; border:1px solid var(--line); background:var(--card);
    font-family:var(--font-body); font-size:.88rem; color:var(--ink);
  }
  .items-block{ margin-top:16px; }
  .items-block > label{ font-size:.74rem; font-weight:700; color:var(--ink-soft); text-transform:uppercase; letter-spacing:.05em; }
  .item-row{ display:grid; grid-template-columns:1.6fr .6fr .8fr .9fr auto; gap:8px; margin-top:8px; align-items:center; }
  .item-row input{ padding:8px 9px; border-radius:6px; border:1px solid var(--line); background:var(--card); font-size:.83rem; font-family:var(--font-body); width:100%; }
  .item-amount{ font-family:var(--font-mono); font-size:.83rem; color:var(--ink-soft); text-align:right; padding-right:4px; }
  .item-remove{ background:none; border:none; color:var(--ink-faint); cursor:pointer; font-size:1rem; padding:4px; }
  .item-remove:hover{ color:var(--rust); }
  .add-item-btn{
    margin-top:10px; background:none; border:1px dashed var(--ink-faint); border-radius:7px;
    padding:7px 12px; font-size:.8rem; color:var(--ink-soft); cursor:pointer;
  }
  .add-item-btn:hover{ border-color:var(--forest); color:var(--forest); }
  .form-total-row{
    margin-top:16px; display:flex; justify-content:space-between; align-items:center;
    padding-top:12px; border-top:2px double var(--line);
  }
  .form-total-row .label{ font-size:.8rem; color:var(--ink-soft); font-weight:600; }
  .form-total-row .value{ font-family:var(--font-mono); font-size:1.2rem; font-weight:700; }
  .form-error{ color:var(--rust); font-size:.76rem; margin-top:6px; }
  .modal-foot{
    display:flex; justify-content:flex-end; gap:10px; padding:16px 22px; border-top:1px solid var(--line-soft);
  }
  .btn-secondary{ background:none; border:1px solid var(--line); color:var(--ink-soft); border-radius:8px; padding:9px 16px; font-size:.85rem; cursor:pointer; }
  .btn-primary{ background:var(--forest); color:#fff; border:none; border-radius:8px; padding:9px 18px; font-size:.85rem; font-weight:600; cursor:pointer; }
  .btn-primary:hover{ background:#164426; }
  datalist{ display:none; }

  @media (max-width:900px){
    .kpis{ grid-template-columns:repeat(2,1fr); }
    .charts-row{ grid-template-columns:1fr; }
    .search-box{ margin-left:0; max-width:none; flex:1 1 100%; }
  }
  @media (max-width:560px){
    .kpis{ grid-template-columns:1fr; }
    .form-grid{ grid-template-columns:1fr; }
    .item-row{ grid-template-columns:1fr 1fr; }
    .masthead h1{ font-size:1.5rem; }
  }
  @media (prefers-reduced-motion:reduce){
    *{ transition:none !important; animation:none !important; }
  }