/* ==========================================
   Video Detail Page
   ========================================== */

.video-detail {
    padding: 120px 0 60px;
    min-height: 100vh;
}

/* Back link */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    transition: var(--transition-fast);
}

.back-link:hover {
    color: var(--dark-blue);
    gap: 12px;
}

/* Video player */
.video-detail-player {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    height: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    margin-bottom: var(--spacing-lg);
}

.video-detail-player iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Content area */
.video-detail-content {
    max-width: 800px;
}

.video-detail-title {
    font-family: var(--font-roboto-slab);
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    color: var(--dark-blue);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.video-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    color: var(--gray-dark);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--gray-light);
}

.video-detail-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.video-detail-meta i {
    color: var(--primary-blue);
}

.video-detail-intro {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
}

/* Sections */
.video-detail-sections {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.detail-section {
    background: var(--gray-lighter);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border-left: 4px solid var(--primary-blue);
    transition: var(--transition-normal);
}

.detail-section:hover {
    border-left-color: var(--orange);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.detail-section h2 {
    font-family: var(--font-oswald);
    font-size: 1.15rem;
    color: var(--dark-blue);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: 10px;
}

.detail-section h2 i {
    color: var(--primary-blue);
    font-size: 1rem;
}

.detail-section p {
    line-height: 1.7;
    color: var(--text-dark);
}

.timestamp {
    display: inline-block;
    margin-top: 8px;
    font-size: 0.8rem;
    color: var(--primary-blue);
    background: rgba(31, 124, 236, 0.1);
    padding: 2px 10px;
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.detail-section.conclusion {
    border-left-color: var(--orange);
    background: linear-gradient(135deg, #fff8f0 0%, var(--gray-lighter) 100%);
}

.detail-section.conclusion h2 i {
    color: var(--orange);
}

@media (max-width: 768px) {
    .video-detail {
        padding: 100px 0 40px;
    }

    .video-detail-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .detail-section {
        padding: var(--spacing-sm);
    }
}