:root{
    --paper:#FAF7EF;
    --ink:#1B1B18;
    --ink-soft:#433F38;
    --line:#D9D4C4;
    --accent:#A33228;
  }
  *{ box-sizing:border-box; }
  body{
    margin:0;
    background:#E8E4D8;
    font-family: 'Courier New', ui-monospace, monospace;
    color:var(--ink);
    display:flex;
    justify-content:center;
    padding:32px 16px;
  }
  .sheet{
    background:var(--paper);
    width:100%;
    max-width:440px;
    padding:28px 26px 34px;
    position:relative;
    box-shadow:0 4px 18px rgba(0,0,0,0.12);
  }
  .tear{
    position:absolute;
    left:0; right:0;
    height:10px;
    background:
      radial-gradient(circle at 8px 0, transparent 6px, var(--paper) 6.5px) repeat-x;
    background-size:16px 20px;
  }
  .tear.top{ top:-1px; background-color:#E8E4D8; }
  .tear.bottom{ bottom:-1px; transform:rotate(180deg); background-color:#E8E4D8; }

  h1{
    font-size:18px;
    letter-spacing:2px;
    text-align:center;
    margin:6px 0 2px;
    font-weight:700;
  }
  .sub{
    text-align:center;
    font-size:11px;
    color:var(--ink-soft);
    letter-spacing:1.5px;
    margin-bottom:16px;
  }
  .rule{
    border:none;
    border-top:1px dashed var(--line);
    margin:16px 0;
  }
  label{
    display:block;
    font-size:11px;
    letter-spacing:1px;
    color:var(--ink-soft);
    margin-bottom:4px;
    text-transform:uppercase;
  }
  .field{ margin-bottom:14px; }
  input[type=text], input[type=number]{
    width:100%;
    background:transparent;
    border:none;
    border-bottom:1px solid var(--line);
    font-family:inherit;
    font-size:16px;
    color:var(--ink);
    padding:5px 2px;
    outline:none;
  }
  input[type=text]:focus, input[type=number]:focus{
    border-bottom:1px solid var(--ink);
  }
  .row2{ display:flex; gap:14px; }
  .row2 > div{ flex:1; }

  .people-list{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    margin-bottom:8px;
  }
  .person-chip{
    display:flex;
    align-items:center;
    gap:6px;
    border:1px solid var(--line);
    padding:5px 8px;
  }
  .person-chip input[type=text]{
    border:none;
    font-size:16px;
    width:90px;
    padding:0;
  }
  .remove-btn{
    background:none;
    border:none;
    color:var(--ink-soft);
    font-size:14px;
    cursor:pointer;
    line-height:1;
    padding:0 2px;
  }
  .remove-btn:hover{ color:var(--ink); }

  .item-row{
    padding:10px 0;
    border-bottom:1px dotted var(--line);
  }
  .item-top{
    display:flex;
    gap:10px;
    align-items:center;
  }
  .item-top input[type=text]{
    flex:2;
    font-size:16px;
  }
  .item-top input[type=number]{
    flex:1;
    font-size:16px;
    text-align:right;
  }
  .item-assign{
    display:flex;
    flex-wrap:wrap;
    gap:6px 12px;
    margin-top:8px;
  }
  .assign-tag{
    font-size:12px;
    color:var(--ink-soft);
    cursor:pointer;
    user-select:none;
    padding:2px 6px;
    border:1px solid var(--line);
  }
  .assign-tag.on{
    color:var(--ink);
    border-color:var(--ink);
    font-weight:700;
  }

  .add-btn, .calc-btn, .pdf-btn, .reset-btn{
    width:100%;
    background:transparent;
    border:1px solid var(--ink);
    color:var(--ink);
    font-family:inherit;
    font-size:12px;
    letter-spacing:1.5px;
    text-transform:uppercase;
    padding:10px;
    cursor:pointer;
    margin-top:6px;
  }
  .add-btn{
    border-style:dashed;
    font-size:11px;
    padding:8px;
  }
  .add-btn:hover{ background:var(--line); }
  .calc-btn{
    background:var(--accent);
    border-color:var(--accent);
    color:var(--paper);
    margin-top:18px;
  }
  .calc-btn:hover{ opacity:0.85; }
  .pdf-btn, .reset-btn{ margin-top:8px; }
  .pdf-btn:hover, .reset-btn:hover{ background:var(--line); }

  .result{ display:none; margin-top:8px; }
  .result.show{ display:block; }

  .line-item{
    display:flex;
    justify-content:space-between;
    font-size:13px;
    padding:4px 0;
    color:var(--ink-soft);
  }
  .line-item span:first-child{ flex:1; }
  .line-item.total{
    color:var(--ink);
    font-weight:700;
    font-size:15px;
    border-top:1px solid var(--ink);
    margin-top:6px;
    padding-top:8px;
  }
  .total-value{
    color:var(--accent);
  }
  .split-row{
    display:flex;
    justify-content:space-between;
    align-items:baseline;
    font-size:14px;
    padding:8px 0;
    border-bottom:1px dotted var(--line);
  }
  .split-row .amt{ font-weight:700; }
  .split-detail{
    font-size:11px;
    color:var(--ink-soft);
    margin-top:2px;
  }
  .barcode{
    margin-top:18px;
    height:34px;
    display:flex;
    align-items:stretch;
    justify-content:center;
    gap:2px;
  }
  .barcode span{
    background:var(--ink);
    display:block;
  }
  .foot{
    text-align:center;
    font-size:10px;
    letter-spacing:2px;
    color:var(--ink-soft);
    margin-top:10px;
  }
  .warn{
    font-size:11px;
    color:var(--ink-soft);
    margin-top:4px;
  }

  @media print{
    body{ background:var(--paper); padding:0; }
    .sheet{ box-shadow:none; max-width:100%; }
    .no-print{ display:none !important; }
    .tear{ display:none; }
  }