.bk-ar-open-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 22px;
    border: 0;
    border-radius: 8px;
    background: #111;
    color: #fff;
    font-size: 16px;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s ease;
}

.bk-ar-open-button:hover {
    background: #333;
}

.bk-ar-modal {
    display: none;
}

.bk-ar-modal.is-open {
    display: block;
}

.bk-ar-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 9998;
}

.bk-ar-modal-dialog {
    position: fixed;
    top: 50%;
    left: 50%;
    width: min(1100px, calc(100vw - 32px));
    height: min(85vh, 900px);
    transform: translate(-50%, -50%);
    background: #fff;
    border-radius: 14px;
    z-index: 9999;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.bk-ar-modal-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.bk-ar-modal-header {
    padding: 20px 24px 12px;
}

.bk-ar-modal-header h3 {
    margin: 0 0 6px;
    font-size: 24px;
}

.bk-ar-modal-header p {
    margin: 0;
    color: #666;
}

.bk-ar-modal-close {
    position: absolute;
    top: 12px;
    right: 14px;
    width: 40px;
    height: 40px;
    border: 0;
    background: transparent;
    font-size: 30px;
    line-height: 1;
    cursor: pointer;
    z-index: 2;
}

.bk-ar-iframe-wrap {
    flex: 1;
    min-height: 0;
}

.bk-ar-iframe {
    width: 100%;
    height: 100%;
    min-height: 500px;
    border: 0;
    display: block;
}

.bk-ar-modal-footer {
    padding: 14px 24px 20px;
    border-top: 1px solid #eee;
}

.bk-ar-open-direct {
    color: #111;
    text-decoration: underline;
}

body.bk-ar-modal-open {
    overflow: hidden;
}

@media (max-width: 767px) {
    .bk-ar-modal-dialog {
        width: calc(100vw - 20px);
        height: 88vh;
    }

    .bk-ar-modal-header h3 {
        font-size: 20px;
    }

    .bk-ar-iframe {
        min-height: 420px;
    }
}