/**
 * Instagram Feed Module - Front-end Styles
 * A clean, modern Instagram feed display
 */

/* ============================================
   CSS Custom Properties (from module settings)
   ============================================ */
.instagram-feed-section {
    --ig-bg-color: #ffffff;
    --ig-accent-color: #e1306c;
    --ig-columns: 4;
    --ig-gap: 12px;
    --ig-radius: 8px;
    --ig-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Main Section Styles
   ============================================ */
.instagram-feed-section {
    background-color: var(--ig-bg-color);
    padding: 60px 0;
    overflow: hidden;
}

.instagram-feed-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   Header Styles
   ============================================ */
.instagram-feed-header {
    text-align: center;
    margin-bottom: 40px;
}

.instagram-feed-title {
    font-size: 2rem;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 12px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    letter-spacing: -0.02em;
}

.instagram-feed-title .instagram-icon {
    color: var(--ig-accent-color);
    flex-shrink: 0;
}

.instagram-feed-subtitle {
    font-size: 1.1rem;
    color: #666;
    margin: 0;
    font-weight: 400;
}

/* ============================================
   Grid Layout
   ============================================ */
.instagram-feed-grid {
    display: grid;
    grid-template-columns: repeat(var(--ig-columns), 1fr);
    gap: var(--ig-gap);
}

/* Masonry-style variation (CSS-only approximation) */
.instagram-feed-grid.masonry {
    grid-auto-rows: 200px;
}

.instagram-feed-grid.masonry .instagram-feed-item:nth-child(4n+1) {
    grid-row: span 2;
}

/* Carousel variation */
.instagram-feed-grid.carousel {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: 10px;
}

.instagram-feed-grid.carousel::-webkit-scrollbar {
    display: none;
}

.instagram-feed-grid.carousel .instagram-feed-item {
    flex: 0 0 calc(100% / var(--ig-columns) - var(--ig-gap));
    scroll-snap-align: start;
    margin-right: var(--ig-gap);
}

/* ============================================
   Individual Image Items
   ============================================ */
.instagram-feed-item {
    display: block;
    position: relative;
    overflow: hidden;
    border-radius: var(--ig-radius);
    text-decoration: none;
    background: #f0f0f0;
    aspect-ratio: 1;
}

.instagram-feed-item.featured {
    box-shadow: 0 0 0 3px var(--ig-accent-color);
}

.instagram-feed-image-wrapper {
    position: absolute;
    inset: 0;
}

.instagram-feed-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--ig-transition);
}

.instagram-feed-item:hover img,
.instagram-feed-item:focus img {
    transform: scale(1.08);
}

/* ============================================
   Hover Overlay
   ============================================ */
.instagram-feed-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(131, 58, 180, 0.85) 0%,
        rgba(225, 48, 108, 0.85) 50%,
        rgba(253, 89, 73, 0.85) 100%
    );
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--ig-transition);
}

.instagram-feed-item:hover .instagram-feed-overlay,
.instagram-feed-item:focus .instagram-feed-overlay {
    opacity: 1;
}

.instagram-feed-overlay-content {
    text-align: center;
    color: #fff;
    padding: 20px;
    transform: translateY(10px);
    transition: transform var(--ig-transition);
}

.instagram-feed-item:hover .instagram-feed-overlay-content,
.instagram-feed-item:focus .instagram-feed-overlay-content {
    transform: translateY(0);
}

.instagram-icon-small {
    display: block;
    margin: 0 auto 12px;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.instagram-username {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 6px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.instagram-caption {
    display: block;
    font-size: 0.85rem;
    opacity: 0.9;
    line-height: 1.4;
    max-width: 200px;
    margin: 0 auto;
}

/* ============================================
   Call to Action
   ============================================ */
.instagram-feed-cta {
    text-align: center;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid rgba(0,0,0,0.08);
}

.instagram-feed-cta-text {
    font-size: 0.95rem;
    color: #666;
}

/* ============================================
   Responsive Breakpoints
   ============================================ */
@media (max-width: 1200px) {
    .instagram-feed-section {
        --ig-columns: 4;
    }
}

@media (max-width: 992px) {
    .instagram-feed-section {
        --ig-columns: 3;
        padding: 50px 0;
    }
    
    .instagram-feed-title {
        font-size: 1.75rem;
    }
}

@media (max-width: 768px) {
    .instagram-feed-section {
        padding: 35px 0;
    }
    
    .instagram-feed-header {
        margin-bottom: 20px;
    }
    
    .instagram-feed-title {
        font-size: 1.35rem;
        flex-direction: row;
        gap: 8px;
    }
    
    .instagram-feed-title .instagram-icon {
        width: 22px;
        height: 22px;
    }
    
    .instagram-feed-subtitle {
        font-size: 0.9rem;
    }
    
    /* Switch to horizontal scroll on mobile */
    .instagram-feed-grid {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        gap: 10px;
        padding-bottom: 15px;
        margin: 0 -15px;
        padding-left: 15px;
        padding-right: 15px;
    }
    
    /* Hide scrollbar but keep functionality */
    .instagram-feed-grid {
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    
    .instagram-feed-grid::-webkit-scrollbar {
        display: none;
    }
    
    /* Size images to show ~2.3 at a time (hints there's more) */
    .instagram-feed-grid .instagram-feed-item {
        flex: 0 0 42%;
        min-width: 42%;
        scroll-snap-align: start;
        aspect-ratio: 1;
        border-radius: 8px;
    }
    
    /* Limit to 8 images on mobile to reduce load */
    .instagram-feed-grid .instagram-feed-item:nth-child(n+9) {
        display: none;
    }
    
    .instagram-feed-overlay-content {
        padding: 12px;
    }
    
    .instagram-caption {
        display: none;
    }
    
    .instagram-feed-cta {
        margin-top: 15px;
        padding-top: 15px;
    }
    
    .instagram-feed-cta-text {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .instagram-feed-section {
        padding: 25px 0;
    }
    
    .instagram-feed-header {
        margin-bottom: 15px;
    }
    
    .instagram-feed-title {
        font-size: 1.15rem;
    }
    
    .instagram-feed-subtitle {
        font-size: 0.85rem;
    }
    
    /* Show ~2 images at a time on small phones */
    .instagram-feed-grid .instagram-feed-item {
        flex: 0 0 46%;
        min-width: 46%;
        border-radius: 6px;
    }
    
    /* Limit to 6 images on small mobile */
    .instagram-feed-grid .instagram-feed-item:nth-child(n+7) {
        display: none;
    }
    
    .instagram-username {
        font-size: 0.8rem;
    }
    
    .instagram-icon-small {
        width: 18px;
        height: 18px;
        margin-bottom: 6px;
    }
}

/* Extra small devices */
@media (max-width: 360px) {
    .instagram-feed-grid .instagram-feed-item {
        flex: 0 0 70%;
        min-width: 70%;
    }
}

/* ============================================
   Touch Device Adjustments
   ============================================ */
@media (hover: none) {
    .instagram-feed-overlay {
        opacity: 0;
        background: linear-gradient(
            to top,
            rgba(0,0,0,0.7) 0%,
            transparent 100%
        );
    }
    
    .instagram-feed-overlay-content {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        text-align: left;
        padding: 15px;
        transform: none;
    }
    
    .instagram-feed-item:active .instagram-feed-overlay {
        opacity: 1;
    }
    
    .instagram-icon-small {
        display: none;
    }
}

/* ============================================
   Accessibility
   ============================================ */
.instagram-feed-item:focus {
    outline: 3px solid var(--ig-accent-color);
    outline-offset: 2px;
}

.instagram-feed-item:focus:not(:focus-visible) {
    outline: none;
}

.instagram-feed-item:focus-visible {
    outline: 3px solid var(--ig-accent-color);
    outline-offset: 2px;
}

/* ============================================
   Animation on Load
   ============================================ */
@keyframes igFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.instagram-feed-item {
    animation: igFadeIn 0.5s ease-out forwards;
}

.instagram-feed-item:nth-child(1) { animation-delay: 0.05s; }
.instagram-feed-item:nth-child(2) { animation-delay: 0.1s; }
.instagram-feed-item:nth-child(3) { animation-delay: 0.15s; }
.instagram-feed-item:nth-child(4) { animation-delay: 0.2s; }
.instagram-feed-item:nth-child(5) { animation-delay: 0.25s; }
.instagram-feed-item:nth-child(6) { animation-delay: 0.3s; }
.instagram-feed-item:nth-child(7) { animation-delay: 0.35s; }
.instagram-feed-item:nth-child(8) { animation-delay: 0.4s; }

/* ============================================
   Dark Mode Support
   ============================================ */
@media (prefers-color-scheme: dark) {
    .instagram-feed-section[style*="--ig-bg-color: #ffffff"] {
        /* Only apply if using default white background */
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .instagram-feed-section {
        display: none;
    }
}