/* ============================================
   VISUAL ARCHIVES - SIDEBAR + UPDATES LAYOUT
   ============================================ */

.visual-archives-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    min-height: calc(100vh - 200px);
}

.archives-header {
    text-align: center;
    margin-bottom: 3rem;
}

/* Main Layout */
.archives-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    position: relative;
}

/* Left Sidebar - Subsections */
.subsections-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.subsection-item {
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    background: rgba(10, 14, 39, 0.6);
    border: 2px solid var(--neon-blue);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.subsection-item:hover {
    background: rgba(0, 217, 255, 0.15);
    border-color: var(--accent-cyan);
    transform: translateX(10px);
    box-shadow: 0 0 30px rgba(0, 217, 255, 0.4);
}

.subsection-content {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.subsection-icon {
    font-size: 2.5rem;
    filter: drop-shadow(0 0 8px var(--neon-blue));
    margin-bottom: 0.5rem;
}

.subsection-name {
    color: var(--neon-blue);
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    font-weight: bold;
    letter-spacing: 0.1rem;
    line-height: 1.3;
    display: block;
}

.subsection-item:hover .subsection-name {
    color: var(--accent-cyan);
    text-shadow: 0 0 10px var(--accent-cyan);
}

/* Description - hidden by default, expands on hover */
.subsection-description {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.3s ease, margin-top 0.3s ease;
    color: var(--text-primary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

.subsection-item:hover .subsection-description {
    max-height: 200px;
    opacity: 1;
    margin-top: 0.75rem;
}

.subsection-description p {
    margin: 0 0 0.75rem 0;
}

/* CTA - hidden by default, shows on hover */
.subsection-cta {
    display: block;
    color: var(--accent-cyan);
    font-size: 0.85rem;
    font-weight: bold;
    letter-spacing: 0.05rem;
    opacity: 0;
    transform: translateX(-10px);
    transition: opacity 0.3s ease 0.2s, transform 0.3s ease 0.2s;
}

.subsection-item:hover .subsection-cta {
    opacity: 1;
    transform: translateX(0);
    animation: pulse-cta 1.5s ease-in-out infinite;
}

@keyframes pulse-cta {
    0%, 100% {
        opacity: 0.8;
    }
    50% {
        opacity: 1;
    }
}

/* Right Content - Recent Updates */
.recent-updates {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.updates-title {
    font-size: 1.8rem;
    color: var(--text-primary);
    letter-spacing: 0.15rem;
    text-align: center;
    margin-bottom: 1rem;
}

.updates-grid {
    display: grid;
    gap: 2rem;
}

.update-card {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 1.5rem;
    background: rgba(10, 14, 39, 0.6);
    border: 1px solid var(--neon-blue);
    padding: 1.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.update-card:hover {
    background: rgba(0, 217, 255, 0.1);
    border-color: var(--accent-cyan);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.4);
}

.update-image {
    width: 200px;
    height: 150px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--neon-blue);
    display: flex;
    align-items: center;
    justify-content: center;
}

.update-placeholder {
    font-size: 3rem;
    opacity: 0.5;
}

.update-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.5rem;
}

.update-category {
    color: var(--text-secondary);
    font-size: 0.75rem;
    letter-spacing: 0.1rem;
}

.update-title {
    color: var(--neon-blue);
    font-size: 1.3rem;
    letter-spacing: 0.05rem;
    margin: 0;
}

.update-card:hover .update-title {
    color: var(--accent-cyan);
}

.update-date {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .archives-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .subsections-sidebar {
        flex-direction: column;
    }
    
    .subsection-item {
        min-width: unset;
    }
}

@media (max-width: 768px) {
    .visual-archives-container {
        padding: 1.5rem 1rem;
    }

    .archives-header {
        margin-bottom: 1.5rem;
    }

    /* Disable hover expand on touch — use JS toggle instead */
    .subsection-item:hover .subsection-description {
        max-height: 0;
        opacity: 0;
        margin-top: 0;
    }

    .subsection-item:hover .subsection-cta {
        opacity: 0;
        transform: translateX(-10px);
    }

    .subsection-item:hover {
        background: rgba(10, 14, 39, 0.6);
        border-color: var(--neon-blue);
        transform: none;
        box-shadow: none;
    }

    .subsection-item:hover .subsection-name {
        color: var(--neon-blue);
        text-shadow: none;
    }

    /* JS-toggled expanded state — must override hover reset */
    .subsection-item.expanded {
        background: rgba(0, 217, 255, 0.1) !important;
        border-color: var(--accent-cyan) !important;
        box-shadow: 0 0 20px rgba(0, 217, 255, 0.3) !important;
    }

    .subsection-item.expanded .subsection-name {
        color: var(--accent-cyan) !important;
        text-shadow: 0 0 10px var(--accent-cyan) !important;
    }

    .subsection-item.expanded .subsection-description {
        max-height: 200px !important;
        opacity: 1 !important;
        margin-top: 0.75rem !important;
    }

    .subsection-item.expanded .subsection-cta {
        opacity: 1 !important;
        transform: translateX(0) !important;
    }

    /* Subsection layout */
    .subsection-item {
        flex-direction: column;
        text-align: left;
        padding: 1.25rem;
    }

    .subsection-icon {
        font-size: 1.8rem;
        margin-bottom: 0.25rem;
    }

    .subsection-name {
        font-size: 0.95rem;
    }

    .subsection-description {
        font-size: 0.8rem;
    }

    .subsection-cta {
        font-size: 0.8rem;
        padding: 0.6rem;
        background: rgba(0, 217, 255, 0.1);
        border: 1px solid var(--accent-cyan);
        text-align: center;
        margin-top: 0.5rem;
    }

    /* Update cards */
    .update-card {
        grid-template-columns: 1fr;
    }
    
    .update-image {
        width: 100%;
        height: 150px;
    }

    .update-title {
        font-size: 1rem;
    }

    .updates-title {
        font-size: 1.3rem;
    }
}