/* =========================================================================
   S17: SANDBOX PAYMENT & HMAC-SHA512 VERIFICATION STYLES
   ========================================================================= */
.s17-hero {
    background: linear-gradient(135deg, #ffffff 0%, #ecfdf5 100%);
    border-left: 6px solid #059669 !important;
}

.s17-stat-box {
    background: linear-gradient(135deg, #065f46, #0d9488);
    color: #ffffff;
    padding: 14px 22px;
    border-radius: 16px;
    min-width: 260px;
}

.s17-hmac-code {
    font-size: 0.75rem;
    background: #f1f5f9;
    padding: 3px 7px;
    border-radius: 6px;
    color: #0f172a;
}