.vbb-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    position: relative;
    z-index: 5;
}

.vbb-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--vbb-width, 100%);
    min-height: var(--vbb-min-height, 88px);
    border: 0;
    cursor: pointer;
    background: var(--vbb-bg, #101828);
    color: var(--vbb-color, #ffffff);
    border-radius: var(--vbb-radius, 20px);
    padding: var(--vbb-py, 16px) var(--vbb-px, 32px);
    font-weight: 700;
    font-size: 22px;
    line-height: 1.2;
    text-align: center;
    transition: transform .2s ease, background .2s ease, box-shadow .2s ease, filter .2s ease;
    box-shadow: 0 10px 24px rgba(16, 24, 40, .16);
}

.vbb-has-gradient .vbb-button {
    background: linear-gradient(var(--vbb-gradient-angle, 180deg), var(--vbb-gradient-start, #4f5fff) 0%, var(--vbb-gradient-end, #79d9a6) 100%);
}

.vbb-button:hover,
.vbb-button:focus {
    background: var(--vbb-hover, #1d2939);
    transform: translateY(-1px);
    outline: none;
}

.vbb-has-gradient .vbb-button:hover,
.vbb-has-gradient .vbb-button:focus {
    background: linear-gradient(var(--vbb-gradient-angle, 180deg), var(--vbb-hover-gradient-start, #4453f0) 0%, var(--vbb-hover-gradient-end, #68c997) 100%);
    filter: brightness(.98);
}

.vbb-cover-area {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 30;
}

.vbb-cover-area .vbb-button {
    width: 100%;
    height: 100%;
    min-height: 100%;
    padding: 24px;
    border-radius: 20px;
}

.vbb-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 999999;
}

.vbb-modal.vbb-open {
    display: block;
}

.vbb-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, .62);
    backdrop-filter: blur(4px);
}

.vbb-box {
    position: relative;
    display: block;
    width: min(var(--vbb-modal-width, 980px), calc(100vw - 32px));
    max-height: calc(100vh - 32px);
    overflow: auto;
    margin: 16px auto;
    background: #ffffff;
    border-radius: 18px;
    padding: 28px;
    box-shadow: 0 24px 70px rgba(15, 23, 42, .35);
}

.vbb-close {
    position: sticky;
    top: 0;
    float: right;
    z-index: 2;
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 50%;
    background: #101828;
    color: #ffffff;
    cursor: pointer;
    font-size: 28px;
    line-height: 1;
}

.vbb-content {
    display: block;
    clear: both;
}

body.vbb-no-scroll {
    overflow: hidden;
}

.vbb-area-anchor {
    position: relative;
    min-height: 140px;
}

.vbb-hide-under-button {
    position: relative;
    z-index: 1;
}

@media (max-width: 767px) {
    .vbb-box {
        padding: 18px;
        border-radius: 14px;
        margin: 10px auto;
        width: calc(100vw - 20px);
    }

    .vbb-button {
        width: 100%;
        font-size: 18px;
        min-height: 72px;
    }
}
