.bkbg-bng-wrap {
    padding: 24px;
    border-radius: 14px;
    font-family: system-ui, -apple-system, sans-serif;
    box-sizing: border-box;
}

.bkbg-bng-title {
    text-align: center;
    font-family: var(--bkbg-bng-title-font-family, inherit);
    font-size: var(--bkbg-bng-title-font-size-d, 32px);
    font-weight: var(--bkbg-bng-title-font-weight, 900);
    font-style: var(--bkbg-bng-title-font-style, normal);
    text-transform: var(--bkbg-bng-title-text-transform, uppercase);
    text-decoration: var(--bkbg-bng-title-text-decoration, none);
    line-height: var(--bkbg-bng-title-line-height-d, 1);
    letter-spacing: var(--bkbg-bng-title-letter-spacing-d, 6px);
    word-spacing: var(--bkbg-bng-title-word-spacing-d, normal);
    margin: 0 0 4px;
}

.bkbg-bng-subtitle {
    text-align: center;
    font-family: var(--bkbg-bng-sub-font-family, inherit);
    font-size: var(--bkbg-bng-sub-font-size-d, 13px);
    font-weight: var(--bkbg-bng-sub-font-weight, normal);
    font-style: var(--bkbg-bng-sub-font-style, normal);
    text-transform: var(--bkbg-bng-sub-text-transform, none);
    text-decoration: var(--bkbg-bng-sub-text-decoration, none);
    line-height: var(--bkbg-bng-sub-line-height-d, 1.5);
    letter-spacing: var(--bkbg-bng-sub-letter-spacing-d, normal);
    word-spacing: var(--bkbg-bng-sub-word-spacing-d, normal);
    margin: 0 0 18px;
}

@media (max-width: 1024px) {
    .bkbg-bng-title {
        font-size: var(--bkbg-bng-title-font-size-t, var(--bkbg-bng-title-font-size-d, 32px));
        line-height: var(--bkbg-bng-title-line-height-t, var(--bkbg-bng-title-line-height-d, 1));
        letter-spacing: var(--bkbg-bng-title-letter-spacing-t, var(--bkbg-bng-title-letter-spacing-d, 6px));
        word-spacing: var(--bkbg-bng-title-word-spacing-t, var(--bkbg-bng-title-word-spacing-d, normal));
    }
    .bkbg-bng-subtitle {
        font-size: var(--bkbg-bng-sub-font-size-t, var(--bkbg-bng-sub-font-size-d, 13px));
        line-height: var(--bkbg-bng-sub-line-height-t, var(--bkbg-bng-sub-line-height-d, 1.5));
        letter-spacing: var(--bkbg-bng-sub-letter-spacing-t, var(--bkbg-bng-sub-letter-spacing-d, normal));
        word-spacing: var(--bkbg-bng-sub-word-spacing-t, var(--bkbg-bng-sub-word-spacing-d, normal));
    }
}

@media (max-width: 767px) {
    .bkbg-bng-title {
        font-size: var(--bkbg-bng-title-font-size-m, var(--bkbg-bng-title-font-size-t, var(--bkbg-bng-title-font-size-d, 32px)));
        line-height: var(--bkbg-bng-title-line-height-m, var(--bkbg-bng-title-line-height-t, var(--bkbg-bng-title-line-height-d, 1)));
        letter-spacing: var(--bkbg-bng-title-letter-spacing-m, var(--bkbg-bng-title-letter-spacing-t, var(--bkbg-bng-title-letter-spacing-d, 6px)));
        word-spacing: var(--bkbg-bng-title-word-spacing-m, var(--bkbg-bng-title-word-spacing-t, var(--bkbg-bng-title-word-spacing-d, normal)));
    }
    .bkbg-bng-subtitle {
        font-size: var(--bkbg-bng-sub-font-size-m, var(--bkbg-bng-sub-font-size-t, var(--bkbg-bng-sub-font-size-d, 13px)));
        line-height: var(--bkbg-bng-sub-line-height-m, var(--bkbg-bng-sub-line-height-t, var(--bkbg-bng-sub-line-height-d, 1.5)));
        letter-spacing: var(--bkbg-bng-sub-letter-spacing-m, var(--bkbg-bng-sub-letter-spacing-t, var(--bkbg-bng-sub-letter-spacing-d, normal)));
        word-spacing: var(--bkbg-bng-sub-word-spacing-m, var(--bkbg-bng-sub-word-spacing-t, var(--bkbg-bng-sub-word-spacing-d, normal)));
    }
}

/* Caller */
.bkbg-bng-caller {
    border-radius: 12px;
    padding: 18px;
    text-align: center;
    margin-bottom: 18px;
}

.bkbg-bng-caller-label {
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.7;
    margin-bottom: 6px;
}

.bkbg-bng-called-num {
    font-size: 48px;
    font-weight: 900;
    letter-spacing: 4px;
    line-height: 1;
    margin-bottom: 12px;
    min-height: 56px;
    transition: transform 0.2s, opacity 0.2s;
}

.bkbg-bng-called-num.bkbg-bng-pop {
    animation: bkbg-bng-pop 0.35s ease;
}

@keyframes bkbg-bng-pop {
    0% { transform: scale(0.6); opacity: 0; }
    70% { transform: scale(1.15); }
    100% { transform: scale(1); opacity: 1; }
}

.bkbg-bng-caller-btns {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.bkbg-bng-call-btn {
    border: none;
    border-radius: 8px;
    padding: 9px 22px;
    font-weight: 700;
    cursor: pointer;
    font-size: 14px;
    color: #fff;
    transition: opacity 0.2s, transform 0.1s;
}

.bkbg-bng-call-btn:hover { opacity: 0.85; }
.bkbg-bng-call-btn:active { transform: scale(0.97); }
.bkbg-bng-call-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.bkbg-bng-call-btn-outline {
    background: transparent !important;
    border: 2px solid;
}

/* Grid */
.bkbg-bng-grid-wrap {
    border-radius: 12px;
    overflow: hidden;
    border: 3px solid;
    margin-bottom: 16px;
}

.bkbg-bng-header-row,
.bkbg-bng-cell-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
}

.bkbg-bng-header-cell {
    text-align: center;
    padding: 12px 0;
    font-weight: 900;
    font-size: 22px;
    letter-spacing: 2px;
}

.bkbg-bng-cell {
    text-align: center;
    border: 1px solid;
    font-weight: 600;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1;
    transition: background 0.2s, transform 0.1s;
    user-select: none;
    -webkit-user-select: none;
    position: relative;
    overflow: hidden;
}

.bkbg-bng-cell:hover { filter: brightness(0.92); }
.bkbg-bng-cell:active { transform: scale(0.92); }

.bkbg-bng-cell.bkbg-bng-marked::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.25);
    pointer-events: none;
}

.bkbg-bng-cell.bkbg-bng-win-cell {
    animation: bkbg-bng-win-pulse 0.6s ease infinite alternate;
}

@keyframes bkbg-bng-win-pulse {
    from { filter: brightness(1); }
    to { filter: brightness(1.2); }
}

.bkbg-bng-free-label {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1px;
    line-height: 1;
}

/* Called list */
.bkbg-bng-called-list {
    border-radius: 10px;
    border: 1px solid;
    padding: 12px 14px;
    margin-bottom: 16px;
}

.bkbg-bng-called-list-title {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.bkbg-bng-called-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    min-height: 28px;
}

.bkbg-bng-chip {
    padding: 3px 8px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    color: #fff;
}

/* Actions */
.bkbg-bng-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

/* Win banner */
.bkbg-bng-win-banner {
    display: none;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    margin-bottom: 16px;
    animation: bkbg-bng-banner-in 0.5s ease;
}

.bkbg-bng-win-banner.bkbg-bng-show { display: block; }

@keyframes bkbg-bng-banner-in {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.bkbg-bng-win-emoji {
    font-size: 48px;
    display: block;
    margin-bottom: 6px;
}

.bkbg-bng-win-text {
    font-size: 24px;
    font-weight: 900;
    letter-spacing: 3px;
    color: #fff;
}

.bkbg-bng-win-sub {
    font-size: 13px;
    color: rgba(255,255,255,0.8);
    margin-top: 4px;
}

@media (max-width: 400px) {
    .bkbg-bng-wrap { padding: 12px; }
    .bkbg-bng-title { font-size: 24px !important; letter-spacing: 3px; }
    .bkbg-bng-header-cell { font-size: 16px; padding: 8px 0; }
    .bkbg-bng-cell { font-size: 14px; }
}