.card-form{background:#fff;border-radius:16px;padding:24px 28px;box-shadow:0 2px 16px rgba(0,0,0,.08);max-width:540px;width:100%;margin:16px auto;box-sizing:border-box}.mp-hpf-field-group{margin-bottom:4px}.mp-hpf-field-group--row{display:flex;gap:32px}.mp-hpf-field-group--row .mp-hpf-field-wrapper{flex:1;min-width:0}.mp-hpf-field-wrapper{padding:12px 0 0}.mp-hpf-label{display:block;font-size:1rem;font-weight:500;color:#243e87b8;margin-bottom:6px;letter-spacing:.01em}.mp-hpf-row-space-between{display:flex;align-items:center;width:100%}.mp-hpf-row-space-between .mp-hpf-field{flex:1;min-width:0}.mp-hpf-brand{flex-shrink:0;margin-left:auto;padding-left:8px;height:28px;display:flex;align-items:center;justify-content:flex-end}.mp-hpf-brand img{max-height:24px;max-width:52px;object-fit:contain;display:block}.mp-hpf-field{width:100%;height:36px;min-height:36px;max-height:36px;overflow:hidden;background:0 0;box-sizing:border-box;display:flex;align-items:center}.mp-hpf-field iframe{width:100% !important;height:100% !important;border:none !important;display:block;background:0 0}.mp-hpf-divider{height:1px;background:#e5e7eb;margin-top:4px;transition:background .2s}.mp-hpf-field-wrapper:focus-within .mp-hpf-divider{background:#243e87b8}.mp-hpf-field-wrapper.mp-field-error .mp-hpf-divider{background:#ef4444}.mp-hpf-field-wrapper.mp-field-valid .mp-hpf-divider{background:#22c55e}#montypay-hpf-error{padding:10px 14px;border-radius:8px;background:#fef2f2;border:1px solid #fecaca;color:#dc2626;font-size:.85rem;margin-top:12px;text-align:center}@media (max-width:480px){.card-form{padding:18px 16px;border-radius:12px}.mp-hpf-field-group--row{flex-direction:column;gap:0}}