/* Google Ads Integration for CineBrain */
:root {
    --ad-border-radius: clamp(4px, 1vw, 8px);
    --ad-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --ad-gap: clamp(8px, 2vw, 16px);
}

[data-theme="dark"] {
    --ad-bg: rgba(255, 255, 255, 0.02);
    --ad-border: rgba(255, 255, 255, 0.06);
    --ad-label-bg: rgba(255, 255, 255, 0.08);
    --ad-label-text: #888888;
    --ad-hover-bg: rgba(255, 255, 255, 0.04);
    --ad-shadow: rgba(0, 0, 0, 0.3);
}

[data-theme="light"] {
    --ad-bg: rgba(0, 0, 0, 0.01);
    --ad-border: rgba(0, 0, 0, 0.08);
    --ad-label-bg: rgba(0, 0, 0, 0.05);
    --ad-label-text: #666666;
    --ad-hover-bg: rgba(0, 0, 0, 0.02);
    --ad-shadow: rgba(0, 0, 0, 0.1);
}

/* Ad Container Base Styles */
.cinebrain-ad-container {
    position: relative;
    width: 100%;
    margin: 0;
    padding: 0;
    opacity: 0;
    transform: translateY(10px);
    transition: var(--ad-transition);
    border-radius: var(--ad-border-radius);
    overflow: hidden;
}

.cinebrain-ad-container.loaded {
    opacity: 1;
    transform: translateY(0);
}

.cinebrain-ad-container.error {
    display: none;
}

/* Carousel Ad Styles */
.carousel-ad-container {
    scroll-snap-align: start;
    flex-shrink: 0;
    width: var(--card-width);
    background: var(--ad-bg);
    border: 1px solid var(--ad-border);
    border-radius: var(--ad-border-radius);
    padding: clamp(12px, 3vw, 16px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: calc(var(--card-width) * 1.5);
    position: relative;
    transition: var(--ad-transition);
    box-shadow: 0 2px 8px var(--ad-shadow);
}

.carousel-ad-container:hover {
    background: var(--ad-hover-bg);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--ad-shadow);
}

.carousel-ad-container .ad-label {
    position: absolute;
    top: clamp(6px, 1.5vw, 8px);
    left: clamp(6px, 1.5vw, 8px);
    background: var(--ad-label-bg);
    color: var(--ad-label-text);
    padding: clamp(2px, 0.5vw, 3px) clamp(6px, 1.5vw, 8px);
    border-radius: clamp(2px, 0.5vw, 4px);
    font-size: clamp(0.6rem, 1.5vw, 0.7rem);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 2;
}

.carousel-ad-container .ad-content {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Section End Ad Styles */
.section-end-ad {
    width: 100%;
    max-width: 1200px;
    margin: clamp(32px, 8vw, 48px) auto;
    padding: 0 clamp(12px, 3vw, 20px);
    background: var(--ad-bg);
    border: 1px solid var(--ad-border);
    border-radius: var(--ad-border-radius);
    position: relative;
    box-shadow: 0 2px 8px var(--ad-shadow);
}

.section-end-ad .ad-label {
    position: absolute;
    top: clamp(8px, 2vw, 12px);
    left: clamp(12px, 3vw, 20px);
    background: var(--ad-label-bg);
    color: var(--ad-label-text);
    padding: clamp(3px, 0.75vw, 4px) clamp(8px, 2vw, 10px);
    border-radius: clamp(3px, 0.75vw, 4px);
    font-size: clamp(0.65rem, 1.6vw, 0.75rem);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 2;
}

.section-end-ad .ad-content {
    padding: clamp(40px, 10vw, 60px) clamp(12px, 3vw, 20px) clamp(20px, 5vw, 32px);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

/* Article End Ad Styles */
.article-end-ad {
    width: 100%;
    max-width: 800px;
    margin: clamp(24px, 6vw, 40px) auto 0;
    padding: clamp(16px, 4vw, 24px);
    background: var(--ad-bg);
    border: 1px solid var(--ad-border);
    border-radius: var(--ad-border-radius);
    position: relative;
    box-shadow: 0 2px 8px var(--ad-shadow);
}

.article-end-ad .ad-label {
    position: absolute;
    top: clamp(8px, 2vw, 12px);
    right: clamp(12px, 3vw, 16px);
    background: var(--ad-label-bg);
    color: var(--ad-label-text);
    padding: clamp(2px, 0.5vw, 3px) clamp(6px, 1.5vw, 8px);
    border-radius: clamp(2px, 0.5vw, 4px);
    font-size: clamp(0.6rem, 1.5vw, 0.7rem);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 2;
}

.article-end-ad .ad-content {
    padding-top: clamp(20px, 5vw, 32px);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 150px;
}

/* Responsive Ad Styles */
.responsive-ad {
    width: 100%;
    height: auto;
    display: block;
}

/* Loading State */
.ad-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100px;
    color: var(--ad-label-text);
    font-size: clamp(0.8rem, 2vw, 0.9rem);
}

.ad-loading::after {
    content: '';
    margin-left: 8px;
    width: 16px;
    height: 16px;
    border: 2px solid var(--ad-border);
    border-top-color: var(--ad-label-text);
    border-radius: 50%;
    animation: ad-spinner 0.8s linear infinite;
}

@keyframes ad-spinner {
    to {
        transform: rotate(360deg);
    }
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .carousel-ad-container {
        min-height: calc(var(--card-width) * 1.4);
        padding: clamp(8px, 2vw, 12px);
    }

    .carousel-ad-container:hover {
        transform: none;
    }

    .section-end-ad {
        margin: clamp(24px, 6vw, 32px) auto;
    }

    .section-end-ad .ad-content {
        min-height: 150px;
        padding: clamp(32px, 8vw, 48px) clamp(8px, 2vw, 12px) clamp(16px, 4vw, 24px);
    }

    .article-end-ad {
        margin: clamp(16px, 4vw, 24px) auto 0;
        padding: clamp(12px, 3vw, 16px);
    }

    .article-end-ad .ad-content {
        min-height: 120px;
        padding-top: clamp(16px, 4vw, 24px);
    }
}

/* High Resolution Displays */
@media (min-width: 1200px) {
    .section-end-ad .ad-content {
        min-height: 250px;
    }
}

/* Print Styles */
@media print {

    .cinebrain-ad-container,
    .carousel-ad-container,
    .section-end-ad,
    .article-end-ad {
        display: none !important;
    }
}

/* Accessibility */
.cinebrain-ad-container:focus-visible {
    outline: 2px solid var(--cinebrain-primary);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {

    .cinebrain-ad-container,
    .carousel-ad-container {
        transition: none;
        animation: none;
    }

    .carousel-ad-container:hover {
        transform: none;
    }

    .ad-loading::after {
        animation: none;
    }
}

/* Ad Density Controls */
.cinebrain-content-dense .carousel-ad-container {
    display: none;
}

.cinebrain-content-minimal .section-end-ad {
    margin: clamp(16px, 4vw, 24px) auto;
}

/* Integration with existing carousel */
.carousel-wrapper .carousel-ad-container {
    margin: 0;
    flex-shrink: 0;
}

/* Prevent layout shift */
.carousel-ad-container,
.section-end-ad,
.article-end-ad {
    contain: layout style paint;
}

/* Theme transition support */
.cinebrain-ad-container * {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}