/* ==========================================================================
   VIDEOS PAGE STYLES
   Consistent with Use-Cases Design
   ========================================================================== */

/* ==========================================================================
   HERO SECTION OVERRIDE
   ========================================================================== */

.videos-page-hero {
    min-height: 60vh;
    min-height: 60dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.videos-page-hero .hero-content {
    max-width: var(--container-md);
}

@media (min-width: 1024px) {
    .videos-page-hero {
        display: grid;
        grid-template-columns: 1fr 1fr;
        text-align: left;
        gap: var(--space-2xl);
    }
    
    .videos-page-hero .hero-content {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .videos-page-hero .hero-visual {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* ==========================================================================
   VIDEOS SECTION CONTAINER
   ========================================================================== */

.videos-section-container {
    width: 100%;
    min-height: 50vh;
    background-color: var(--color-bg-primary);
    display: flex;
    align-items: stretch;
    justify-content: center;
    padding: var(--space-xl) var(--space-md);
}

#videos-section {
    width: 100%;
    height: 100%;
    max-width: var(--container-xl);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    gap: var(--space-lg);
}

/* ==========================================================================
   SIDEBAR
   ========================================================================== */

aside {
    display: none;
    max-height: 70vh;
    min-width: 250px;
    max-width: 280px;
    overflow: auto;
    background: var(--color-bg-card);
    padding: var(--space-lg);
    position: sticky;
    top: calc(var(--navbar-height-lg) + var(--space-md));
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
}

.sidebar-title {
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: var(--space-sm) 0;
    margin-top: var(--space-lg);
}

.sidebar-title:first-child {
    margin-top: 0;
}

.sidebar-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xs);
    padding: 0;
    list-style: none;
}

.sidebar-links li {
    width: 100%;
}

.sidebar-links a {
    display: block;
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.sidebar-links a:hover {
    background-color: rgba(140, 226, 231, 0.1);
    color: var(--color-text-primary);
    border-left-color: var(--color-accent);
}

.sidebar-links a.active {
    background-color: var(--color-accent);
    color: var(--color-bg-secondary);
    border-left-color: var(--color-accent);
    font-weight: var(--font-semibold);
}

/* ==========================================================================
   VIDEO PLAYER AREA
   ========================================================================== */

.video {
    display: none;
    align-items: flex-start;
    justify-content: flex-start;
    flex-direction: column;
    flex-grow: 1;
    width: 100%;
    background-color: var(--color-bg-primary);
}

.video-title {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
}

.videos-container {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    width: 100%;
}

.single-video-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    width: 100%;
    max-width: 900px;
}

.iframe-wrapper {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border);
}

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

.video-desc-container {
    padding: var(--space-sm) 0;
}

.video-desc-main {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.video-desc-main p {
    color: var(--color-text-secondary);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
}

.inline-link {
    color: var(--color-accent);
    text-decoration: underline;
    font-weight: var(--font-medium);
}

.inline-link:hover {
    color: var(--color-accent-light);
}

/* ==========================================================================
   ACCORDION (Mobile)
   ========================================================================== */

.accordion-body {
    display: block;
    width: 100%;
}

.accordion {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: var(--space-sm);
}

.accordion-content-container {
    position: relative;
    width: 100%;
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: border-color var(--transition-fast);
}

.accordion-content-container:hover {
    border-color: var(--color-accent);
}

.accordion .label {
    position: relative;
    padding: var(--space-md) var(--space-2xl) var(--space-md) var(--space-md);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--color-text-primary);
    cursor: pointer;
    user-select: none;
    transition: background-color var(--transition-fast);
}

.accordion .label:hover {
    background-color: rgba(140, 226, 231, 0.05);
}

.accordion .label::after {
    content: '+';
    position: absolute;
    top: 50%;
    right: var(--space-md);
    transform: translateY(-50%);
    font-size: var(--text-xl);
    color: var(--color-accent);
    font-weight: var(--font-bold);
    transition: transform var(--transition-fast);
}

.accordion-content-container.open .label::after {
    content: '−';
}

.accordion .content {
    position: relative;
    background: var(--color-bg-primary);
    height: 0;
    overflow: hidden;
    transition: height 0.3s ease-out;
}

.accordion-content-container.open .content {
    height: auto;
    padding: var(--space-md);
    border-top: 1px solid var(--color-border);
}

/* Accordion Video Wrapper */
.accordion-video-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    width: 100%;
}

.accordion-video-wrapper .iframe-wrapper {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

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

.accordion .video-desc-main p {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

/* ==========================================================================
   RESPONSIVE STYLES
   ========================================================================== */

@media screen and (min-width: 768px) {
    .videos-section-container {
        padding: var(--space-2xl);
    }
}

@media screen and (min-width: 1080px) {
    /* Hide mobile accordion on desktop */
    .accordion-body {
        display: none;
    }

    /* Show desktop sidebar */
    aside {
        display: block;
    }

    /* Show main video player on desktop */
    .video {
        display: flex;
    }

    #videos-section {
        flex-direction: row;
        gap: var(--space-2xl);
    }
    
    .videos-section-container {
        padding: var(--space-3xl) var(--space-xl);
    }
}