        .oo-popup-overlay {
            position: fixed;
            inset: 0;
            background: rgba(9, 79, 58, 0.95);
            display: none;
            align-items: center;
            justify-content: center;
            padding: 20px;
            z-index: 2147483631;
        }

        .oo-popup-overlay.oo-is-open {
            display: flex;
        }

        .oo-popup-modal {
            width: 100%;
            max-width: 520px;
            background: #ffffff;
            border-radius: 16px;
            box-shadow: 0 10px 40px rgba( 0, 0, 0, 0.25 );
            overflow: hidden;
            transform: translateY( 8px );
            opacity: 0;
            transition: transform 180ms ease, opacity 180ms ease;
            position: relative;
        }

        .oo-popup-overlay.oo-is-open .oo-popup-modal {
            transform: translateY( 0 );
            opacity: 1;
        }

        .oo-popup-header {
            padding: 18px 18px 0 18px;
        }

        .oo-popup-title {
            margin: 0;
            font-size: 20px;
            line-height: 1.3;
        }

        .oo-popup-subtitle {
            margin: 10px 0 0 0;
            font-size: 14px;
            line-height: 1.5;
            color: #555;
        }

        .oo-popup-body {
            padding: 18px;
        }

        .oo-popup-close {
            position: absolute;
            top: 10px;
            right: 10px;
            width: 40px;
            height: 40px;
            border: 0;
            background: transparent;
            border-radius: 10px;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            line-height: 1;
            color: #333;
        }

        .oo-popup-close:hover {
            background: rgba( 0, 0, 0, 0.06 );
        }

        .oo-popup-actions {
            display: flex;
            gap: 10px;
            margin-top: 16px;
        }

        .oo-popup-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 0;
            border-radius: 12px;
            padding: 12px 14px;
            cursor: pointer;
            font-size: 14px;
            font-weight: 600;
            width: 100%;
            position: relative;
        }

        .oo-popup-btn-primary {
            background: #094F3A;
            color: #ffffff;
        }

        .oo-popup-btn-secondary {
            background: #f1f1f1;
            color: #333;
        }

        .oo-popup-btn-spinner {

            display: none;
            width: 16px;
            height: 16px;
            border: 2px solid rgba(255,255,255,0.5);
            border-top: 2px solid #ffffff;
            border-radius: 50%;
            animation: ooPopupSpin 0.7s linear infinite;

        }

        .oo-popup-btn.loading .oo-popup-btn-spinner {

            display: inline-block;

        }

        .oo-popup-btn.loading .oo-popup-btn-text {

            margin-right: 8px;

        }

        @keyframes ooPopupSpin {

            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }

        }

        /* Optional floating test button */
        .oo-popup-test-trigger {
            position: fixed;
            right: 16px;
            bottom: 16px;
            z-index: 999998;
            border: 0;
            border-radius: 999px;
            padding: 12px 14px;
            background: #094F3A;
            color: #fff;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 8px 24px rgba( 0, 0, 0, 0.25 );
        }

        .oo-popup-test-trigger:hover {
            filter: brightness( 1.03 );
        }

        .oo-popup-field input {
            width: 100%;
            padding: 12px 14px;
            border-radius: 10px;
            border: 1px solid #ccc;
            font-size: 14px;
            margin-bottom: 12px;
        }

        .oo-popup-field input:focus {
            outline: none;
            border-color: #094F3A;
        }

        .oo-popup-disclaimer {
            margin-top: 10px;
            font-size: 8px;
            line-height: 1.4;
            color: #777;
        }

        .oo-popup-disclaimer a {
            color: #094F3A;
            text-decoration: underline;
        }

        .oo-popup-error {
            margin-top: 8px;
            font-size: 12px;
            color: #D20002;
            display: none;
        }

        .oo-popup-success {
            display: none;
            text-align: center;
            padding: 30px 10px;
        }

        .oo-popup-success h3 {
            margin-top: 0;
            font-size: 20px;
            color: #094F3A;
        }

        .oo-popup-loading {
            opacity: 0.6;
            pointer-events: none;
        }

        /* Mobile tweaks */
        @media ( max-width: 480px ) {
            .oo-popup-modal {
                max-width: 100%;
                border-radius: 14px;
            }

            .oo-popup-title {
                font-size: 18px;
            }
        }