/* Video Section Container - compact but spacious */
    .video-master-section {
        padding: 2.5rem 0 3rem 0;
        background: #ffffff;
    }

    .section-header {
        text-align: center;
        margin-bottom: 1.8rem;
    }

    .section-badge {
        display: inline-block;
        background: linear-gradient(135deg, #1f6392, #0f4b6e);
        color: white;
        font-size: 1.7rem;
        font-weight: 600;
        padding: 0.25rem 1rem;
        border-radius: 30px;
        letter-spacing: 0.5px;
        margin-bottom: 0.75rem;
    }

    .section-header h2 {
        font-size: 2rem;
        font-weight: 800;
        color: #0f3b5f;
        margin-bottom: 0.25rem;
    }

    .section-header p {
        color: #5a6e7c;
        max-width: 550px;
        margin: 0 auto;
        font-size: 0.9rem;
    }

    /* Main Player Area - reduced size (compact) */
    .master-player-wrapper {
        background: #0a1a2a;
        border-radius: 1.2rem;
        overflow: hidden;
        box-shadow: 0 15px 30px -10px rgba(0, 0, 0, 0.2);
        margin-bottom: 1.5rem;
        max-width: 900px;
        margin-left: auto;
        margin-right: auto;
    }

    #mainVideoFrame {
        width: 100%;
        height: auto;
        aspect-ratio: 16 / 9;
        border: none;
        display: block;
        background: #000;
    }

    .video-info-bar {
        background: white;
        padding: 0.6rem 1.2rem;
        border-top: 1px solid #eef2f8;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
    }

    .current-video-title {
        font-weight: 700;
        font-size: 0.9rem;
        color: #0f3b5f;
        margin: 0;
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .current-video-title i {
        color: #ff0000;
        font-size: 0.9rem;
    }

    .video-stats {
        display: flex;
        gap: 1rem;
        font-size: 0.7rem;
        color: #6c86a3;
    }

    /* Horizontal Scrollable Thumbnail List - full width, fits in same screen */
    .thumbnail-scroll-container {
        background: #f8fafd;
        border-radius: 1rem;
        padding: 0.25rem 0 0.5rem 0;
        margin-top: 0.5rem;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
    }

    .scroll-title {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0.5rem 1rem 0.5rem 1rem;
    }

    .scroll-title span {
        font-weight: 600;
        color: #1f6392;
        font-size: 0.8rem;
    }

    .scroll-arrows {
        display: flex;
        gap: 0.5rem;
    }

    .scroll-arrow {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: white;
        border: 1px solid #dee2e6;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: all 0.2s;
        color: #1f6392;
        font-size: 0.75rem;
    }

    .scroll-arrow:hover {
        background: #1f6392;
        color: white;
        border-color: #1f6392;
    }

    .horizontal-scroll {
        overflow-x: auto;
        overflow-y: hidden;
        white-space: nowrap;
        scroll-behavior: smooth;
        padding: 0.5rem 1rem;
        gap: 0.9rem;
        display: flex;
        flex-wrap: nowrap;
        scrollbar-width: thin;
        -webkit-overflow-scrolling: touch;
    }

    .horizontal-scroll::-webkit-scrollbar {
        height: 5px;
    }

    .horizontal-scroll::-webkit-scrollbar-track {
        background: #e2e8f0;
        border-radius: 10px;
    }

    .horizontal-scroll::-webkit-scrollbar-thumb {
        background: #1f6392;
        border-radius: 10px;
    }

    /* Thumbnail cards - smaller to fit more in one screen horizontally */
    .video-thumbnail-card {
        display: inline-block;
        width: 220px;
        margin-right: 0.9rem;
        flex-shrink: 0;
        background: white;
        border-radius: 0.9rem;
        overflow: hidden;
        cursor: pointer;
        transition: all 0.2s ease;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        border: 2px solid transparent;
        vertical-align: top;
    }

    .video-thumbnail-card.active {
        border-color: #1f6392;
        box-shadow: 0 6px 14px rgba(31, 99, 146, 0.2);
        transform: scale(1.01);
    }

    .video-thumbnail-card:hover {
        transform: translateY(-3px);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }

    .thumb-img {
        position: relative;
        width: 100%;
        height: 120px;
        background: #0f1a24;
        overflow: hidden;
    }

    .thumb-img iframe {
        width: 100%;
        height: 100%;
        pointer-events: none;
        border: 0;
    }

    .play-icon-overlay {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.3);
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        transition: opacity 0.2s;
    }

    .video-thumbnail-card:hover .play-icon-overlay {
        opacity: 1;
    }

    .play-icon-overlay i {
        font-size: 2rem;
        color: white;
        text-shadow: 0 2px 5px black;
    }

    .thumb-info {
        padding: 0.6rem 0.7rem 0.7rem 0.7rem;
    }

    .thumb-title {
        font-weight: 700;
        font-size: 0.75rem;
        color: #1e2f3e;
        margin-bottom: 0.2rem;
        white-space: normal;
        word-break: break-word;
        line-height: 1.3;
    }

    .thumb-duration {
        font-size: 0.65rem;
        color: #7f8c9a;
        display: flex;
        align-items: center;
        gap: 4px;
    }

    /* CTA section compact */
    .cta-bottom {
        text-align: center;
        margin-top: 1.8rem;
        background: linear-gradient(110deg, #e9f2fa, #ffffff);
        padding: 1rem;
        border-radius: 1rem;
    }

    .cta-bottom h5 {
        font-size: 1rem;
        margin-bottom: 0.2rem;
    }

    .cta-bottom p {
        font-size: 0.8rem;
        margin-bottom: 0.8rem;
    }

    .btn-eds {
        background: #1f6392;
        color: white;
        border-radius: 40px;
        padding: 0.4rem 1.2rem;
        font-size: 0.8rem;
        font-weight: 600;
        margin: 0 0.3rem;
        transition: 0.2s;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .btn-eds:hover {
        background: #0a4b71;
        color: white;
        text-decoration: none;
        transform: translateY(-2px);
    }

    .btn-outline {
        border: 2px solid #1f6392;
        background: transparent;
        color: #1f6392;
        border-radius: 40px;
        padding: 0.4rem 1.2rem;
        font-size: 0.8rem;
        font-weight: 600;
    }

    .btn-outline:hover {
        background: #1f6392;
        color: white;
        text-decoration: none;
    }

    /* Responsive: on small screens thumbnails get slightly smaller */
    @media (max-width: 768px) {
        .video-master-section {
            padding: 1.5rem 0 2rem 0;
        }

        .section-header h2 {
            font-size: 1.6rem;
        }

        .master-player-wrapper {
            max-width: 100%;
        }

        .video-thumbnail-card {
            width: 180px;
        }

        .thumb-img {
            height: 100px;
        }

        .thumb-title {
            font-size: 0.7rem;
        }

        .scroll-title span {
            font-size: 0.7rem;
        }
    }

    @media (max-width: 480px) {
        .video-thumbnail-card {
            width: 160px;
        }

        .thumb-img {
            height: 90px;
        }

        .video-info-bar {
            flex-direction: column;
            align-items: flex-start;
        }
    }