.ahis-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:20px;max-width:1000px;margin:14px auto;font-family:Arial,Helvetica,sans-serif}
.ahis-btn{background:#0f172a;color:#fff;padding:8px 14px;border-radius:8px;border:1px solid #0f172a;cursor:pointer}
.ahis-tabs{display:flex;gap:8px;margin-bottom:12px}.ahis-tab{padding:8px 12px;border-radius:999px;border:1px solid #e5e7eb;background:#f8fafc;cursor:pointer}.ahis-active{background:#0f172a;color:#fff}
.ahis-panel{display:none}.ahis-show{display:block}.ahis-field input,.ahis-field textarea{width:100%}
.ahis-item{display:flex;gap:8px;margin-bottom:8px}.ahis-item input{padding:6px;border:1px solid #e5e7eb;border-radius:6px}
.ahis-invoice-preview{padding:20px;border:1px solid #e5e7eb;margin-top:12px}
.ahis-invoice-table{width:100%;border-collapse:collapse}.ahis-invoice-table th,.ahis-invoice-table td{border:1px solid #eee;padding:8px;text-align:left}
.ahis-totals{margin-top:10px;font-weight:700}
.ahis-powered{margin-top:12px;color:#6b7280;font-size:12px}