.success-overlay {

        position: fixed; top: 0; left: 0; width: 100%; height: 100%;

        background: rgba(0,0,0,0.5); z-index: 9998;

    }

    .success-dialog {

        position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);

        background: #fff; border-radius: 12px; padding: 40px 50px; text-align: center;

        z-index: 9999; box-shadow: 0 4px 20px rgba(0,0,0,0.2); min-width: 320px;

    }

    .success-icon {

        width: 60px; height: 60px; line-height: 60px; border-radius: 50%;

        background: #47A159; color: #fff; font-size: 30px; margin: 0 auto 15px;

    }

    .success-text { font-size: 16px; color: #333; margin-bottom: 20px; }

    .success-btn {

        background: #47A159; color: #fff; border: none; padding: 10px 40px;

        border-radius: 6px; font-size: 15px; cursor: pointer;

    }

    .success-btn:hover { background: #3d8f4c; }