/* GST invoice generator: item editor + live A4 preview */
.inv-app{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr)}
.item{border:1.5px solid var(--line);border-radius:12px;padding:12px;margin-bottom:10px;background:#fcfbf8}
.item-top{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:start}
.item-grid{display:grid;grid-template-columns:1.1fr .8fr .8fr 1fr .7fr .9fr;gap:8px;margin-top:8px}
.item-grid label{font-size:12px;font-weight:600;color:var(--muted);display:grid;gap:4px}
.item-grid input,.item-grid select{padding:9px 8px;font-size:14px}
.item .del{background:none;border:0;color:var(--muted);font-size:20px;cursor:pointer;padding:6px 8px;border-radius:8px}
.item .del:hover{background:#fdecec;color:var(--err)}
.item-sum{font-size:13px;color:var(--ink-2);margin-top:8px;text-align:right}
.inv-scale{background:#e9e7df;border-radius:var(--r-sm);padding:14px;overflow:auto;max-height:78vh}
.inv-sheet{background:#fff;width:100%;aspect-ratio:210/297;min-height:0;box-shadow:0 10px 26px rgba(0,0,0,.14);padding:5.5%;font:clamp(7px,1.05vw,11px)/1.45 "Plus Jakarta Sans",sans-serif;color:#1d2033;display:flex;flex-direction:column;gap:2.2%;overflow:hidden}
.iv-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;border-bottom:2px solid var(--tool);padding-bottom:2%}
.iv-head img{max-height:52px;max-width:130px;object-fit:contain;display:block;margin-bottom:4px}
.iv-seller b{font-size:1.45em;display:block}
.iv-title{text-align:right}
.iv-title h3{margin:0;font-size:1.9em;letter-spacing:.06em;color:var(--tool)}
.iv-title div{color:#555}
.iv-parties{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.iv-box{background:#f6f7fb;border-radius:6px;padding:8px}
.iv-box small{text-transform:uppercase;letter-spacing:.08em;color:#5c5f70;font-weight:700;font-size:.85em}
.iv-box b{display:block;font-size:1.15em}
.iv-table{width:100%;border-collapse:collapse;font-size:.92em}
.iv-table td:nth-child(2){word-break:break-word}
.iv-table th{background:var(--tool);color:#fff;font-weight:700;text-align:right;padding:5px 3px;white-space:nowrap}
.iv-table td{padding:5px 4px;border-bottom:1px solid #e7e7ee;text-align:right;vertical-align:top}
.iv-table th:nth-child(2),.iv-table td:nth-child(2){text-align:left}
.iv-bottom{display:grid;grid-template-columns:1.2fr 1fr;gap:14px;align-items:start}
.iv-tot{width:100%;border-collapse:collapse}
.iv-tot td{padding:3px 4px;text-align:right}
.iv-tot tr.grand td{border-top:2px solid var(--tool);font-weight:800;font-size:1.25em;color:var(--tool);padding-top:6px}
.iv-words{font-style:italic;color:#444}
.iv-pay{display:flex;gap:10px;align-items:flex-start}
.iv-pay img{width:74px;height:74px}
.iv-sign{margin-top:auto;display:flex;justify-content:space-between;align-items:flex-end;gap:12px;border-top:1px dashed #ccc;padding-top:2%}
.iv-sign img{max-height:46px;max-width:140px;display:block;margin-left:auto}
.iv-muted{color:#5c5f70}
@media (max-width:900px){.inv-app{grid-template-columns:1fr}.inv-preview{order:0}.item-grid{grid-template-columns:repeat(3,1fr)}.inv-sheet{font-size:8px}}
@media print{
  body.print-sheet *{visibility:hidden}
  body.print-sheet .inv-sheet,body.print-sheet .inv-sheet *{visibility:visible}
  body.print-sheet .inv-sheet{position:fixed;left:0;top:0;width:210mm;height:297mm;aspect-ratio:auto;box-shadow:none;font-size:10.5px;padding:12mm}
  @page{size:A4;margin:0}
}
#items.no-gst .gst-col{display:none}
.iv-comp{text-align:center;font-weight:700;font-size:.95em;margin-bottom:-1%}
.iv-subj{font-size:1em}
.iv-terms{margin:2px 0 0;padding-left:1.4em}
.iv-terms li{margin:0}
.iv-terms b{display:inline}
@media (min-width:901px){#items.no-gst .item-grid{grid-template-columns:1.1fr .8fr .8fr 1fr .7fr}}
.inv-app input[type=date]{min-width:0}
@media (max-width:420px){.inv-app input[type=date]{padding-inline:8px;font-size:15px}}
.iv-copy{font-weight:800;font-size:.8em;letter-spacing:.06em;color:#3c3f50;margin-bottom:2px}
.inv-pick{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:8px;align-items:end;margin-bottom:14px}
.inv-pick .field{margin:0}
.inv-pick .btn{padding:10px 14px;font-size:14px}
.inv-btns{display:flex;flex-wrap:wrap;gap:8px}
.inv-hist{margin-top:14px;border:2px solid var(--ink);border-radius:var(--r-sm);padding:10px 14px;background:#fff}
.inv-hist summary{cursor:pointer;font-weight:800;min-height:28px;display:list-item}
.inv-hist ul{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:6px;max-height:320px;overflow:auto}
.inv-hist li{display:flex;justify-content:space-between;align-items:center;gap:10px;border-top:1px dashed var(--line);padding-top:6px;font-size:14px}
.inv-hist li small{display:block;color:var(--ink-2);font-size:12.5px}
.inv-hist-btns{display:flex;gap:4px;flex:none}
.inv-hist-btns .btn{padding:6px 12px;font-size:13px}
.inv-hist .del{background:none;border:0;color:var(--muted);font-size:20px;cursor:pointer;padding:4px 8px;border-radius:8px;min-width:32px;min-height:32px}
.inv-hist .del:hover{background:#fdecec;color:var(--err)}
@media (max-width:420px){.inv-pick{grid-template-columns:1fr 1fr}.inv-pick .field{grid-column:1/-1}}