/**
 * Conceptarium Gallery - Frontend Styles
 * EcoLuxe Brand: Soft neutrals, Fraunces + Inter fonts, elegant spacing
 */

/* ========================================
   TYPOGRAPHY - EcoLuxe Brand
   ======================================== */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,300;1,9..144,400&family=Inter:wght@300;400;500;600&display=swap');

:root {
    --conceptarium-primary: #2c2c2c;
    --conceptarium-secondary: #5a5a5a;
    --conceptarium-neutral-light: #f5f5f0;
    --conceptarium-neutral-lighter: #fafaf8;
    --conceptarium-accent: #8b7355;
    --conceptarium-border: #e0e0d8;
    --conceptarium-shadow: rgba(44, 44, 44, 0.08);
    --conceptarium-shadow-hover: rgba(44, 44, 44, 0.15);
}

.conceptarium-gallery-wrapper {
    width: 100%;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--conceptarium-primary);
}

/* ========================================
   CATEGORY FILTERS
   ======================================== */
.conceptarium-filters {
    display: flex !important;
    flex-wrap: wrap;
    gap: 0px;
    margin-bottom: 5px;
    padding: 10px 0;
    justify-content: center;
    border-bottom: none !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.conceptarium-filter-btn {
    background: transparent;
    border: none;
    color: #7a6317; /* Charcoal */
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    padding: 5px 0px;
    border-radius: 0;
    transition: all 0.3s ease;
    text-transform: uppercase;
    outline: none;
    position: relative;
    border-bottom: 2px solid transparent;
    margin: 0 10px;
}

.conceptarium-filter-btn::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: #4b4b4b; /* Gold */
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.conceptarium-filter-btn:hover {
    color: #7a6317; /* Gold on hover */
    background: transparent;
    transform: none;
}

.conceptarium-filter-btn:hover::after {
    width: 100%;
}

.conceptarium-filter-btn:focus {
    outline: 2px solid #7a6317;
    outline-offset: 2px;
}

.conceptarium-filter-btn.active {
    background: transparent;
    color: #7a6317; /* Gold when active */
    font-weight: 500;
}

.conceptarium-filter-btn.active::after {
    width: 100%;
    background: #7a6317; /* Gold underline */
}

/* ========================================
   GALLERY GRID
   ======================================== */
.conceptarium-gallery-grid {
    display: grid;
    gap: 20px;
    width: 100%;
}

/* Column configurations */
.conceptarium-gallery-grid[data-columns="3"] {
    grid-template-columns: repeat(3, 1fr);
}

.conceptarium-gallery-grid[data-columns="4"] {
    grid-template-columns: repeat(4, 1fr);
}

.conceptarium-gallery-grid[data-columns="2"] {
    grid-template-columns: repeat(2, 1fr);
}

.conceptarium-gallery-grid[data-columns="5"] {
    grid-template-columns: repeat(5, 1fr);
}

.conceptarium-gallery-grid[data-columns="6"] {
    grid-template-columns: repeat(6, 1fr);
}

/* Column configurations */
.conceptarium-gallery-grid[data-columns="2"] {
    grid-template-columns: repeat(2, 1fr);
}

.conceptarium-gallery-grid[data-columns="3"] {
    grid-template-columns: repeat(3, 1fr);
}

.conceptarium-gallery-grid[data-columns="4"] {
    grid-template-columns: repeat(4, 1fr);
}

.conceptarium-gallery-grid[data-columns="5"] {
    grid-template-columns: repeat(5, 1fr);
}

.conceptarium-gallery-grid[data-columns="6"] {
    grid-template-columns: repeat(6, 1fr);
}

/* Image width spanning - ensure images don't overflow */
.conceptarium-gallery-item[data-width="2"] {
    grid-column: span 2;
}

.conceptarium-gallery-item[data-width="3"] {
    grid-column: span 3;
}

/* Prevent spanning beyond grid columns */
.conceptarium-gallery-grid[data-columns="2"] .conceptarium-gallery-item[data-width="3"] {
    grid-column: span 2;
}

.conceptarium-gallery-grid[data-columns="3"] .conceptarium-gallery-item[data-width="3"] {
    grid-column: span 3;
}

/* Tablet breakpoint */
@media (max-width: 1024px) {
    .conceptarium-gallery-grid[data-columns-tablet="1"] {
        grid-template-columns: repeat(1, 1fr);
    }
    
    .conceptarium-gallery-grid[data-columns-tablet="2"] {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .conceptarium-gallery-grid[data-columns-tablet="3"] {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .conceptarium-gallery-grid[data-columns-tablet="4"] {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* Prevent overflow on tablet - limit spanning */
    .conceptarium-gallery-grid[data-columns-tablet="2"] .conceptarium-gallery-item[data-width="3"] {
        grid-column: span 2 !important;
    }
    
    .conceptarium-gallery-grid[data-columns-tablet="1"] .conceptarium-gallery-item {
        grid-column: span 1 !important;
    }
}

/* Mobile breakpoint */
@media (max-width: 767px) {
    .conceptarium-gallery-grid[data-columns-mobile="1"] {
        grid-template-columns: repeat(1, 1fr);
    }
    
    .conceptarium-gallery-grid[data-columns-mobile="2"] {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Force single column on mobile for all images */
    .conceptarium-gallery-grid[data-columns-mobile="1"] .conceptarium-gallery-item {
        grid-column: span 1 !important;
        grid-row: span 1 !important;
    }
    
    /* Limit to 2 columns max on mobile */
    .conceptarium-gallery-grid[data-columns-mobile="2"] .conceptarium-gallery-item[data-width="3"] {
        grid-column: span 2 !important;
    }
    
    /* Reset aspect ratios on mobile for better viewing */
    .conceptarium-gallery-grid[data-columns-mobile="1"] .conceptarium-gallery-item .conceptarium-image-wrapper {
        aspect-ratio: 1 / 1 !important;
    }
    
    .conceptarium-filters {
        margin-bottom: 30px;
        gap: 8px;
    }
    
    .conceptarium-filter-btn {
        font-size: 13px;
        padding: 8px 16px;
    }
}

/* ========================================
   GALLERY ITEMS
   ======================================== */
.conceptarium-gallery-item {
    position: relative;
    opacity: 1;
    transform: scale(1);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.conceptarium-gallery-item.hidden {
    opacity: 0;
    transform: scale(0.95);
    pointer-events: none;
    position: absolute;
    visibility: hidden;
}

.conceptarium-image-wrapper {
    position: relative;
    overflow: hidden !important;
    background: var(--conceptarium-neutral-lighter);
    border-radius: 8px;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.conceptarium-gallery-item {
    position: relative;
    opacity: 1;
    transform: scale(1);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.conceptarium-gallery-item img {
    border-radius: inherit;
}

/* Image ratio configurations */
.conceptarium-gallery-grid[data-ratio="1-1"] .conceptarium-image-wrapper {
    aspect-ratio: 1 / 1;
}

.conceptarium-gallery-grid[data-ratio="1-2"] .conceptarium-image-wrapper {
    aspect-ratio: 1 / 2;
}

.conceptarium-gallery-grid[data-ratio="2-1"] .conceptarium-image-wrapper {
    aspect-ratio: 2 / 1;
}

.conceptarium-gallery-grid[data-ratio="4-3"] .conceptarium-image-wrapper {
    aspect-ratio: 4 / 3;
}

.conceptarium-gallery-grid[data-ratio="3-4"] .conceptarium-image-wrapper {
    aspect-ratio: 3 / 4;
}

.conceptarium-gallery-grid[data-ratio="16-9"] .conceptarium-image-wrapper {
    aspect-ratio: 16 / 9;
}

.conceptarium-gallery-grid[data-ratio="original"] .conceptarium-image-wrapper {
    aspect-ratio: auto;
}

/* Per-image ratio overrides */
.conceptarium-gallery-item[data-item-ratio="1-1"] .conceptarium-image-wrapper {
    aspect-ratio: 1 / 1 !important;
}

.conceptarium-gallery-item[data-item-ratio="1-2"] .conceptarium-image-wrapper {
    aspect-ratio: 1 / 2 !important;
}

.conceptarium-gallery-item[data-item-ratio="2-1"] .conceptarium-image-wrapper {
    aspect-ratio: 2 / 1 !important;
}

.conceptarium-gallery-item[data-item-ratio="3-1"] .conceptarium-image-wrapper {
    aspect-ratio: 3 / 1 !important;
}

.conceptarium-gallery-item[data-item-ratio="4-3"] .conceptarium-image-wrapper {
    aspect-ratio: 4 / 3 !important;
}

.conceptarium-gallery-item[data-item-ratio="3-4"] .conceptarium-image-wrapper {
    aspect-ratio: 3 / 4 !important;
}

.conceptarium-gallery-item[data-item-ratio="16-9"] .conceptarium-image-wrapper {
    aspect-ratio: 16 / 9 !important;
}

.conceptarium-gallery-item[data-item-ratio="original"] .conceptarium-image-wrapper {
    aspect-ratio: auto !important;
}

/* ========================================
   IMAGES
   ======================================== */
.conceptarium-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    display: block;
    transition: transform 0.4s ease, opacity 0.3s ease;
}

/* Ensure wrapper takes full space */
.conceptarium-lightbox-link {
    display: block;
    width: 100%;
    height: 100%;
    position: relative;
}

.conceptarium-lightbox-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}

.conceptarium-gallery-grid[data-ratio="original"] .conceptarium-image {
    height: auto;
    object-fit: contain;
}

/* Lazy loading states */
.conceptarium-lazy {
    opacity: 0;
    transition: opacity 0.6s ease;
}

.conceptarium-lazy.loaded {
    opacity: 1;
}

.conceptarium-image-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--conceptarium-neutral-light) 0%, var(--conceptarium-neutral-lighter) 100%);
    opacity: 1;
    transition: opacity 0.4s ease;
    pointer-events: none;
    z-index: 1;
}

.conceptarium-image-wrapper.loaded::before {
    opacity: 0;
}

/* ========================================
   HOVER EFFECTS
   ======================================== */

/* Zoom effect */
.conceptarium-gallery-wrapper[data-hover-effect="zoom"] .conceptarium-image-wrapper:hover .conceptarium-image {
    transform: scale(1.08);
}

/* Lift effect */
.conceptarium-gallery-wrapper[data-hover-effect="lift"] .conceptarium-image-wrapper {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.conceptarium-gallery-wrapper[data-hover-effect="lift"] .conceptarium-image-wrapper:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px var(--conceptarium-shadow-hover);
}

/* Opacity effect */
.conceptarium-gallery-wrapper[data-hover-effect="opacity"] .conceptarium-image-wrapper:hover .conceptarium-image {
    opacity: 0.85;
}

/* ========================================
   LIGHTBOX LINKS
   ======================================== */
.conceptarium-lightbox-link {
    display: block;
    text-decoration: none;
    cursor: zoom-in;
    position: relative;
}

/* Hover darkening overlay */
.conceptarium-lightbox-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #4b4b4b;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 2;
    border-radius: inherit;
}

.conceptarium-lightbox-link:hover::before {
    opacity: 0.15;
}

/* ========================================
   IMAGE INFO (Title & Caption)
   ======================================== */
.conceptarium-image-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(44, 44, 44, 0.9) 0%, transparent 100%);
    padding: 20px 15px 15px 15px;
    color: white;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.conceptarium-image-wrapper:hover .conceptarium-image-info {
    opacity: 1;
}

.conceptarium-image-title {
    font-family: 'Fraunces', Georgia, serif;
    font-size: 16px;
    font-weight: 500;
    margin: 0 0 5px 0;
    line-height: 1.3;
}

.conceptarium-image-caption {
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 300;
    margin: 0;
    line-height: 1.4;
    opacity: 0.9;
}

/* ========================================
   LIGHTBOX MODAL
   ======================================== */
.conceptarium-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(44, 44, 44, 0.95);
    z-index: 99999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(10px);
}

.conceptarium-lightbox.active {
    display: flex;
}

.conceptarium-lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
    position: relative;
    animation: conceptariumFadeIn 0.3s ease;
}

.conceptarium-lightbox-image {
    max-width: 100%;
    max-height: 85vh;
    width: auto;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.conceptarium-lightbox-caption {
    position: absolute;
    bottom: -50px;
    left: 0;
    right: 0;
    text-align: center;
    color: white;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    padding: 10px;
}

.conceptarium-lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: transparent;
    border: none;
    color: white;
    font-size: 32px;
    cursor: pointer;
    padding: 5px 15px;
    line-height: 1;
    transition: transform 0.2s ease;
}

.conceptarium-lightbox-close:hover {
    transform: scale(1.1);
}

.conceptarium-lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: #7a6317;
    font-size: 48px;
    font-weight: 900;
    cursor: pointer;
    padding: 20px;
    transition: all 0.2s ease;
    border-radius: 0;
    line-height: 1;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.conceptarium-lightbox-nav:hover {
    color: #9a8337;
    transform: translateY(-50%) scale(1.1);
    background: transparent;
}

.conceptarium-lightbox-prev {
    left: 20px;
}

.conceptarium-lightbox-next {
    right: 20px;
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes conceptariumFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes conceptariumSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   LOADING SPINNER
   ======================================== */
.conceptarium-loading {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 3px solid var(--conceptarium-neutral-light);
    border-radius: 50%;
    border-top-color: var(--conceptarium-primary);
    animation: conceptariumSpin 0.8s linear infinite;
    margin: 40px auto;
}

@keyframes conceptariumSpin {
    to {
        transform: rotate(360deg);
    }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */
.conceptarium-filter-btn:focus-visible,
.conceptarium-lightbox-link:focus-visible {
    outline: 2px solid var(--conceptarium-accent);
    outline-offset: 2px;
}

.conceptarium-gallery-item[aria-hidden="true"] {
    display: none;
}

/* Screen reader only text */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
    .conceptarium-filters,
    .conceptarium-lightbox {
        display: none !important;
    }
    
    .conceptarium-gallery-grid {
        display: block;
    }
    
    .conceptarium-gallery-item {
        page-break-inside: avoid;
        margin-bottom: 20px;
    }
}

/* ========================================
   CRITICAL FIXES v1.3.2 - FINAL
   ======================================== */
   
/* Fix 1: Images must fill containers properly */
.conceptarium-image-wrapper {
    position: relative !important;
    overflow: hidden !important;
    width: 100% !important;
    height: 100% !important;
}

.conceptarium-lightbox-link {
    display: block !important;
    width: 100% !important;
    height: 100% !important;
    position: relative !important;
}

.conceptarium-gallery-item img,
.conceptarium-image {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    object-position: center center !important;
}

/* Fix 2: Grid layout with proper aspect ratios */
.conceptarium-gallery-item {
    position: relative !important;
    overflow: hidden !important;
}

/* Fix 3: Filter colors - Gold and Charcoal */
.conceptarium-filter-btn {
    color: #4b4b4b !important;
}

.conceptarium-filter-btn:hover,
.conceptarium-filter-btn.active {
    color: #7a6317 !important;
}

.conceptarium-filter-btn::after,
.conceptarium-filter-btn.active::after {
    background: #7a6317 !important;
}