*{box-sizing:border-box}
body{font-family:Arial,Helvetica,sans-serif;background:#f7f7f7;margin:0;padding:12px}
.wrap{max-width:980px;margin:0 auto}
h2{margin:8px 0 12px}
.toast{position:sticky;top:10px;z-index:20;display:none;background:#111;color:#fff;padding:10px 12px;border-radius:8px;font-size:14px;margin-bottom:10px}
.toast.show{display:block}
.loading-mask{position:fixed;inset:0;background:rgba(0,0,0,.35);backdrop-filter:blur(1px);z-index:9998;display:none;align-items:center;justify-content:center;padding:16px}
.loading-mask.show{display:flex}
.loading-card{background:#111;color:#fff;padding:14px 18px;border-radius:10px;font-size:16px;font-weight:600;box-shadow:0 8px 30px rgba(0,0,0,.35)}

.form{display:grid;grid-template-columns:1fr 1fr;gap:8px;background:#fff;padding:12px;border-radius:8px}
.form input,.form select,.form textarea,.form button{font-size:18px;padding:10px;border:1px solid #ddd;border-radius:6px}
.form select{font-size:19px;font-weight:600}
.form select option{font-size:19px}
.model-row{grid-column:1/-1;display:grid;grid-template-columns:1fr auto;gap:8px}
.model-row .danger{background:#b91c1c;color:#fff;border:none;padding:0 12px;font-size:15px}
.form textarea{grid-column:1/-1;min-height:80px;resize:vertical}
.form button{grid-column:1/-1;background:#111;color:#fff;border:none}

.actions{margin-top:12px;display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap}
.actions button{padding:9px 14px;border:0;border-radius:6px;background:#0a7f2e;color:#fff;font-size:15px}
#saveBtn{background:#2563eb}

.sheet{position:relative;background:#fff;margin-top:12px;padding:18px 16px 14px;border-radius:8px}
.title{text-align:center;font-size:46px;font-weight:700;letter-spacing:.5px;line-height:1.12}
.recipient{margin-top:14px;font-size:22px;font-weight:600}
.meta{text-align:right;margin:6px 8px 12px 0;font-size:42px;font-weight:600}

.table-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;min-width:1120px;border-collapse:collapse;background:#fff}
th,td{border:1.8px solid #222;text-align:center;padding:9px 5px;font-size:38px;line-height:1.2;height:80px}
th{font-weight:700}

.stamp{position:absolute;right:52px;top:210px;width:260px;opacity:.30;pointer-events:none;mix-blend-mode:multiply;transform:translate(var(--stamp-dx,0), var(--stamp-dy,0)) rotate(var(--stamp-rot,0deg)) scale(var(--stamp-scale,0.9));transform-origin:center center}

.bottom-row{display:flex;justify-content:space-between;align-items:flex-end;margin-top:20px;gap:14px}
.remark{font-size:22px;min-height:38px;flex:1}
.footer-wrap{text-align:right;position:relative;z-index:2}
.footer{text-align:right;font-size:34px;font-weight:700;white-space:nowrap}
.gen-date{font-size:18px;margin-top:6px;color:#222}

@media (max-width: 768px){
  body{padding:10px}
  .form{grid-template-columns:1fr}
  .form input,.form select,.form textarea,.form button{font-size:18px}
  .form select{font-size:20px}
  .model-row{grid-template-columns:1fr}
  .model-row .danger{padding:10px 12px;font-size:16px}

  .sheet{padding:12px 10px 12px}
  .title{font-size:23px}
  .recipient{font-size:15px;margin-top:8px}
  .meta{font-size:15px;margin:4px 1px 8px 0}

  table{min-width:760px}
  th,td{font-size:12.5px;padding:6px 4px;border-width:1.2px;height:50px}

  .stamp{width:96px;right:10px;top:120px;bottom:auto;opacity:.32}

  .bottom-row{margin-top:12px;align-items:flex-start;flex-direction:column}
  .remark{font-size:14px;min-height:24px}
  .footer-wrap{align-self:flex-end}
  .footer{font-size:15px;align-self:flex-end}
  .gen-date{font-size:11px;margin-top:2px}
}