.sm-bisn-wrapper {
    margin-top: 10px;
}

.sm-bisn-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
}

.sm-bisn-popup-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.sm-bisn-popup-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #fff;
    padding: 20px;
    max-width: 520px;
    width: 95%;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
    max-height: 90vh;
    overflow-y: auto;
}

.sm-bisn-popup-content h3 {
    margin-top: 0;
}

.sm-bisn-close {
    position: absolute;
    top: 10px;
    right: 10px;
    border: none;
    background: transparent;
    font-size: 20px;
    cursor: pointer;
}

.sm-bisn-form p {
    margin-bottom: 10px;
}

.sm-bisn-form input[type="text"],
.sm-bisn-form input[type="email"] {
    width: 100%;
}

.sm-bisn-message {
    padding: 8px 10px;
    border-radius: 3px;
}

.sm-bisn-success {
    background: #e6ffed;
    border: 1px solid #1b9b4c;
    color: #1b9b4c;
}

.sm-bisn-error {
    background: #ffe6e6;
    border: 1px solid #cc0000;
    color: #cc0000;
}




.sm-bisn-form label,
.sm-bisn-form th,
.sm-bisn-form dt {
    display: block;
    width: 100%;
    font-weight: 500;
}

@media (max-width: 600px) {
    .sm-bisn-popup-content {
        padding: 15px;
        font-size: 14px;
    }

    .sm-bisn-popup-content h3 {
        font-size: 16px;
    }

    .sm-bisn-form input[type="text"],
    .sm-bisn-form input[type="email"],
    .sm-bisn-form textarea,
    .sm-bisn-submit {
        font-size: 14px;
    }
}