.sdk-form{font-family:Arial,Helvetica,sans-serif;max-width:420px;border:1px solid #e0e0e0;border-radius:6px;padding:16px;background:#fff}
.sdk-row{margin-bottom:8px}
.sdk-row label{display:block;font-size:13px;color:#333;margin-bottom:6px}
.sdk-row input[type="text"],.sdk-row input[type="password"]{width:100%;box-sizing:border-box;padding:10px 12px;border:1px solid #ccc;border-radius:4px;font-size:14px}
.sdk-row input[type="text"]:focus,.sdk-row input[type="password"]:focus{outline:none;border-color:#4c8bf5;box-shadow:0 0 0 2px rgba(76,139,245,.15)}
.sdk-form button[data-sdk="submit"]{display:inline-block;background:#2563eb;color:#fff;border:none;border-radius:4px;padding:10px 16px;font-size:14px;cursor:pointer}
.sdk-form button[data-sdk="submit"]:disabled{opacity:.6;cursor:not-allowed}
.sdk-error{color:#b91c1c;background:#fee2e2;border:1px solid #fecaca;border-radius:4px;padding:8px 10px;margin-top:8px;min-height:18px}
.sdk-error[hidden]{display:none}
.sdk-success{color:#14532d;background:#dcfce7;border:1px solid #bbf7d0;border-radius:4px;padding:8px 10px;margin-top:8px}
.sdk-pending{color:#1e293b;background:#e2e8f0;border:1px solid #cbd5e1;border-radius:4px;padding:8px 10px;margin-top:8px}
.sdk-spinner{width:18px;height:18px;border:3px solid #e5e7eb;border-top-color:#2563eb;border-radius:50%;animation:sdkspin 1s linear infinite;margin-top:8px}
@keyframes sdkspin{to{transform:rotate(360deg)}}
.sdk-idem-badge{margin-top:10px;font-size:12px;color:#334155}

/* Reduce VGS iframe default height and spacing */
.sdk-form iframe{height:35px !important;}
.sdk-form #sdk-apt-card-number iframe{height:35px !important;}
.sdk-form #sdk-apt-card-expiry iframe{height:35px !important;}
.sdk-form #sdk-apt-card-cvv iframe{height:35px !important;}