/* Purchase order generator */
.po-form{max-width:860px}
.po-hint{font-size:13px;color:var(--muted);margin:0 0 12px}
.po-fields{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.po-field{display:grid;gap:4px}
.po-field.po-wide{grid-column:1/-1}
.po-label{font-size:13px;font-weight:600;color:var(--ink)}
.po-input{display:flex;align-items:center;gap:6px;background:var(--white);border:1px solid var(--line);border-radius:8px;padding:6px 10px}
.po-input input,.po-input select,.po-input textarea{border:0;background:transparent;font-size:15px;color:var(--ink);width:100%;outline:none;font-family:inherit}
.po-input textarea{resize:vertical}
#po-regen{border:1px solid var(--line);background:var(--bg);border-radius:6px;width:28px;height:28px;cursor:pointer;color:var(--ink);flex:none}
#po-regen:hover{border-color:var(--brand);color:var(--brand)}
.po-sub{font-size:15px;margin:16px 0 8px;color:var(--ink)}
.po-items-head,.po-row{display:grid;grid-template-columns:90px 1fr 1fr 80px 90px 90px 30px;gap:6px;align-items:center}
.po-items-head{font-size:12px;color:var(--muted);font-weight:600;padding:0 4px 4px}
.po-row{margin-bottom:6px}
.po-row input{background:var(--white);border:1px solid var(--line);border-radius:6px;padding:6px 8px;font-size:14px;color:var(--ink);width:100%;box-sizing:border-box;outline:none}
.po-row input:focus{border-color:var(--brand)}
.po-amt{font-size:14px;text-align:right;font-variant-numeric:tabular-nums;color:var(--ink)}
.po-del{border:1px solid var(--line);background:var(--white);border-radius:6px;width:26px;height:26px;cursor:pointer;color:var(--muted);font-size:16px;line-height:1}
.po-del:hover{color:#b3261e;border-color:#b3261e}
.po-add{margin-top:4px;border:1px dashed var(--line);background:transparent;border-radius:8px;padding:8px 14px;font-size:14px;cursor:pointer;color:var(--muted)}
.po-add:hover{border-color:var(--brand);color:var(--brand)}
.po-tools{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.po-tools button{border:1px solid var(--line);background:var(--white);border-radius:8px;padding:8px 14px;font-size:14px;cursor:pointer;color:var(--ink)}
.po-tools button:hover{border-color:var(--brand);color:var(--brand)}
#po-generate{background:var(--brand);border-color:var(--brand);color:#fff}
#po-generate:hover{filter:brightness(1.08);color:#fff}
.po-error{font-size:13px;color:#b3261e;margin-top:8px}
.po-doc-wrap{margin-top:20px}
.po-doc{background:var(--white);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.po-sheet{padding:28px 32px;max-width:800px;margin:0 auto;color:#1a1a1a}
.po-doc-title{text-align:center;font-size:24px;letter-spacing:2px;margin:0 0 16px}
.po-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:8px;border-top:2px solid #1a1a1a;border-bottom:1px solid #ddd;padding:10px 0;font-size:14px}
.po-meta span{color:#666;font-size:12px;display:block}
.po-parties{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:14px 0;font-size:14px}
.po-parties h4,.po-remarks h4,.po-sign h4{margin:0 0 6px;font-size:13px;color:#666}
.po-parties p{margin:0}
.po-terms{display:flex;gap:24px;flex-wrap:wrap;font-size:14px;border:1px solid #ddd;border-radius:6px;padding:8px 12px;margin-bottom:14px}
.po-terms span{color:#666;font-size:12px;display:block}
.po-doc-table{width:100%;border-collapse:collapse;font-size:14px}
.po-doc-table th,.po-doc-table td{border:1px solid #ddd;padding:8px 10px;text-align:left}
.po-doc-table thead th{background:#f5f5f5;font-size:13px}
.po-doc-table .n{text-align:right;font-variant-numeric:tabular-nums}
.po-doc-table tfoot td{background:#f5f5f5}
.po-en-name{color:#666;font-size:12px}
.po-remarks{margin-top:14px;font-size:14px}
.po-remarks p{margin:0;white-space:pre-wrap}
.po-sign{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px;font-size:14px}
.po-sign p{margin:0;color:#666}
@media (max-width:720px){
  .po-items-head{display:none}
  .po-row{grid-template-columns:1fr 1fr;grid-auto-rows:auto}
  .po-parties,.po-sign{grid-template-columns:1fr}
  .po-sheet{padding:18px}
}
@media print{
  body *{visibility:hidden}
  #po-doc,#po-doc *{visibility:visible}
  #po-doc{position:absolute;left:0;top:0;width:100%;border:0}
  .po-sheet{max-width:none;padding:0}
}