#hsb-invoice *{box-sizing:border-box}
#hsb-invoice{max-width:760px;margin:2rem auto;background:#f7f7f7;border:1px solid #e5e5e5;padding:20px;border-radius:10px;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial}
#hsb-invoice h2{margin-top:0;font-size:28px}
.hsb-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.hsb-row{margin:10px 0}
.hsb-row label{display:block;font-size:12px;color:#333;margin-bottom:4px}
.hsb-row input,.hsb-row textarea,.hsb-row select{width:100%;padding:8px 10px;border:1px solid #ccc;border-radius:6px;background:#fff}
.hsb-row textarea{min-height:80px}
table.hsb-items{width:100%;border-collapse:collapse;margin-top:10px;background:#fff}
table.hsb-items th,table.hsb-items td{border:1px solid #ddd;padding:8px;text-align:left}
table.hsb-items th{background:#f0f0f0}
.hsb-actions{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.hsb-actions button{padding:8px 12px;border-radius:6px;border:1px solid #ccc;background:#fff;cursor:pointer}
.hsb-total{display:flex;justify-content:flex-end;gap:16px;align-items:center;margin-top:12px}
.hsb-inline{display:flex;align-items:center;gap:8px;margin-top:6px}
.hsb-hide{display:none}
.hsb-footer-note{font-size:12px;color:#555;margin-top:6px}