.catalog-container {
    width: 100%;
}

.catalog-header {
    margin-bottom: 24px;
}

.results-heading {
    font-size: 20px;
    font-weight: 500;
}

.highlight-query {
    color: #3ea6ff;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px 16px;
}

.video-card {
    position: relative;
    display: flex;
    flex-direction: column;
    border-radius: 16px;
    padding: 10px;
    background-color: transparent;
    isolation: isolate;
    cursor: pointer;
    transition: transform 0.25s ease;
}

.card-backdrop-glow {
    position: absolute;
    inset: 0;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.08);
    opacity: 0;
    transform: scale(0.9);
    pointer-events: none;
    z-index: -1;
    transition: opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.video-card:hover .card-backdrop-glow {
    opacity: 1;
    transform: scale(1);
}

.thumbnail-anchor {
    text-decoration: none;
}

.thumbnail-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: #1f1f1f;
    border-radius: 12px;
    overflow: hidden;
}

.thumbnail-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.video-duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background-color: rgba(0, 0, 0, 0.85);
    color: #ffffff;
    font-size: 12px;
    font-weight: 500;
    padding: 2px 6px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.card-details {
    padding: 12px 4px 4px 4px;
}

.card-title {
    font-size: 15px;
    font-weight: 500;
    line-height: 1.35;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-title a {
    color: var(--text-primary);
    text-decoration: none;
}

.card-title a:hover {
    color: #ffffff;
}

.card-channel, .card-stats {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.skeleton-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 10px;
    border-radius: 16px;
}

.skeleton-thumb {
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: #1a1a1a;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}

.skeleton-details {
    padding: 12px 4px 4px 4px;
}

.skeleton-line {
    background-color: #1a1a1a;
    border-radius: 4px;
    margin-bottom: 8px;
    position: relative;
    overflow: hidden;
}

.skeleton-title {
    height: 16px;
    width: 88%;
}

.skeleton-meta {
    height: 12px;
    width: 55%;
}

.skeleton-thumb::after, .skeleton-line::after {
    content: "";
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.05),
        transparent
    );
    animation: skeletonShimmer 1.4s infinite;
}

@keyframes skeletonShimmer {
    100% {
        transform: translateX(100%);
    }
}

.scroll-sentinel {
    padding: 40px 0 30px 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.infinite-loader {
    display: flex;
    gap: 8px;
}

.loader-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #ff0000;
    animation: loaderPulse 1.2s infinite ease-in-out both;
}

.loader-dot:nth-child(1) { animation-delay: -0.32s; }
.loader-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes loaderPulse {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
    40% { transform: scale(1.1); opacity: 1; }
}

.end-of-results {
    color: var(--text-secondary);
    font-size: 14px;
}

@media (max-width: 600px) {
    .catalog-header {
        margin-bottom: 16px;
        padding: 0 2px;
    }

    .results-heading {
        font-size: 17px;
    }

    .video-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .video-card {
        padding: 0;
        border-radius: 0;
    }

    .thumbnail-wrapper {
        border-radius: 10px;
    }

    .card-details {
        padding: 10px 4px 4px 4px;
    }

    .card-title {
        font-size: 14.5px;
    }

    .skeleton-card {
        padding: 0;
    }
}