#bc-ad-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.72);
    z-index: 99990;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 16px;
    opacity: 0;
    transition: opacity .25s ease;
}
#bc-ad-overlay.bc-ad-visible {
    display: flex;
    opacity: 1;
}
#bc-ad-modal {
    position: relative;
    background: #fff;
    border-radius: 12px;
    max-width: 560px;
    width: 100%;
    max-height: 90vh;
    overflow: auto;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,.45);
    transform: translateY(12px) scale(.98);
    transition: transform .25s ease;
}
#bc-ad-overlay.bc-ad-visible #bc-ad-modal {
    transform: translateY(0) scale(1);
}
#bc-ad-close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    border: 0;
    border-radius: 999px;
    background: rgba(15,23,42,.85);
    color: #fff;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    z-index: 2;
}
#bc-ad-close:hover { background: #000; }
.bc-ad-body { padding: 28px 24px 24px; text-align: center; }
.bc-ad-body img { max-width: 100%; height: auto; border-radius: 8px; display: block; margin: 0 auto 14px; }
.bc-ad-title { font-size: 1.35rem; font-weight: 700; color: #111827; margin: 0 0 8px; }
.bc-ad-desc { color: #4b5563; font-size: .95rem; margin: 0 0 16px; line-height: 1.5; }
.bc-ad-cta {
    display: inline-block;
    background: #f59e0b;
    color: #111 !important;
    font-weight: 700;
    padding: 10px 22px;
    border-radius: 8px;
    text-decoration: none !important;
}
.bc-ad-cta:hover { background: #d97706; }
.bc-ad-video { position: relative; padding-bottom: 56.25%; height: 0; margin-bottom: 14px; }
.bc-ad-video iframe, .bc-ad-video video {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; border-radius: 8px;
}
.bc-ad-html { text-align: left; margin-bottom: 12px; }