/* =================================================================
   WBTS Portfolio Showcase - Frontend Styles
   ================================================================= */

/* Portfolio Container */
.portfolio-showcase {
    width: 100%;
}

/* =================================================================
   FILTER STYLES
   ================================================================= */
.portfolio-filter {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 40px;
    justify-content: center; /* Default center alignment */
}

.filter-item {
    background: #f5f5f5;
    border: 1px solid transparent;
    color: #666666;
    padding: 12px 24px;
    margin: 0 8px 8px 0;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 15px;
    font-weight: 500;
    border-radius: 30px;
    outline: none;
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.filter-item:hover {
    background: #667eea;
    color: #fff;
    transform: translateY(-2px);
}

.filter-item.active {
    background: #764ba2;
    color: #fff;
}

/* =================================================================
   GRID LAYOUT
   ================================================================= */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.portfolio-grid[data-columns="1"] { grid-template-columns: repeat(1, 1fr); }
.portfolio-grid[data-columns="2"] { grid-template-columns: repeat(2, 1fr); }
.portfolio-grid[data-columns="3"] { grid-template-columns: repeat(3, 1fr); }
.portfolio-grid[data-columns="4"] { grid-template-columns: repeat(4, 1fr); }
.portfolio-grid[data-columns="5"] { grid-template-columns: repeat(5, 1fr); }
.portfolio-grid[data-columns="6"] { grid-template-columns: repeat(6, 1fr); }

@media (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    .portfolio-grid[data-columns-tablet="1"] { grid-template-columns: repeat(1, 1fr) !important; }
    .portfolio-grid[data-columns-tablet="2"] { grid-template-columns: repeat(2, 1fr) !important; }
    .portfolio-grid[data-columns-tablet="3"] { grid-template-columns: repeat(3, 1fr) !important; }
}

@media (max-width: 767px) {
    .portfolio-grid {
        grid-template-columns: repeat(1, 1fr) !important;
    }
    .portfolio-grid[data-columns-mobile="1"] { grid-template-columns: repeat(1, 1fr) !important; }
    .portfolio-grid[data-columns-mobile="2"] { grid-template-columns: repeat(2, 1fr) !important; }
}

/* =================================================================
   PORTFOLIO ITEM
   ================================================================= */
.portfolio-item {
    opacity: 1;
    transform: scale(1);
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-item.isotope-hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.portfolio-item-inner {
    position: relative;
    width: 100%;
    height: 450px;
    overflow: hidden;
    border-radius: 15px;
    background: #f5f5f5;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hover Effects */
.portfolio-showcase[data-hover-effect="lift"] .portfolio-item:hover .portfolio-item-inner {
    transform: translateY(-8px);
}

.portfolio-showcase[data-hover-effect="zoom"] .portfolio-item:hover .portfolio-item-inner {
    transform: scale(1.03);
}

/* =================================================================
   PORTFOLIO IMAGE WITH SCROLL
   ================================================================= */
.portfolio-image {
    position: relative;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
    will-change: background-position;
    transition: background-position 0.3s ease;
}

/* Scroll Animation - Controlled by JS */
.portfolio-image.scrolling {
    transition: none;
}

/* =================================================================
   OVERLAY & CONTENT
   ================================================================= */
.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
    visibility: visible;
}

.portfolio-content {
    padding: 40px 30px;
    text-align: center;
    transform: translateY(30px);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.1s;
    width: 100%;
}

.portfolio-item:hover .portfolio-content {
    transform: translateY(0);
}

/* =================================================================
   TITLE
   ================================================================= */
.portfolio-title {
    color: #ffffff;
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 15px 0;
    line-height: 1.3;
    word-wrap: break-word;
}

/* =================================================================
   EXCERPT
   ================================================================= */
.portfolio-excerpt {
    color: rgba(255, 255, 255, 0.9);
    font-size: 15px;
    line-height: 1.6;
    margin: 0 0 20px 0;
}

/* =================================================================
   BUTTON
   ================================================================= */
.portfolio-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: #667eea;
    color: #ffffff;
    padding: 14px 32px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.portfolio-button:hover {
    background: #764ba2;
    transform: translateY(-2px);
    text-decoration: none;
    color: #ffffff;
}

.portfolio-button:active {
    transform: translateY(0);
}

.portfolio-button .button-icon {
    display: inline-flex;
    align-items: center;
    font-size: 14px;
    transition: transform 0.3s ease;
}

.portfolio-button:hover .button-icon {
    transform: translateX(3px);
}

/* =================================================================
   LOADING STATE
   ================================================================= */
.portfolio-grid.is-filtering {
    position: relative;
    min-height: 300px;
}

.portfolio-grid.is-filtering::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 4px solid rgba(102, 126, 234, 0.2);
    border-top-color: #667eea;
    border-radius: 50%;
    animation: portfolio-spin 0.8s linear infinite;
    z-index: 10;
}

@keyframes portfolio-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* =================================================================
   NO RESULTS
   ================================================================= */
.portfolio-no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    font-size: 18px;
    color: #999;
    font-weight: 500;
}

/* =================================================================
   PAGINATION STYLES
   ================================================================= */
.portfolio-pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    margin-top: 40px;
    gap: 8px;
}

.portfolio-pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 12px 20px;
    background: #f5f5f5;
    color: #666666;
    border: 1px solid transparent;
    border-radius: 5px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    font-family: inherit;
}

.portfolio-pagination .page-numbers:hover {
    background: #667eea;
    color: #ffffff;
    transform: translateY(-2px);
}

.portfolio-pagination .page-numbers.current {
    background: #764ba2;
    color: #ffffff;
    cursor: default;
    pointer-events: none;
}

.portfolio-pagination .page-numbers.dots {
    background: transparent;
    cursor: default;
    pointer-events: none;
}

.portfolio-pagination .page-numbers.dots:hover {
    transform: none;
}

/* Load More Button */
.portfolio-pagination.load-more-wrap {
    justify-content: center;
}

.portfolio-load-more {
    min-width: 160px;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
}

.portfolio-load-more.loading {
    opacity: 0.6;
    pointer-events: none;
}

.portfolio-load-more.loading::after {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-left: 10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: portfolio-spin 0.6s linear infinite;
}

/* Prev/Next Icons */
.portfolio-pagination .prev-icon,
.portfolio-pagination .next-icon {
    font-size: 18px;
    line-height: 1;
}

/* =================================================================
   RESPONSIVE ADJUSTMENTS
   ================================================================= */
@media (max-width: 1024px) {
    .portfolio-title {
        font-size: 24px;
    }
    
    .portfolio-item-inner {
        height: 350px;
    }
    
    .portfolio-pagination .page-numbers {
        min-width: 40px;
        height: 40px;
        padding: 10px 16px;
        font-size: 14px;
    }
}

@media (max-width: 767px) {
    .portfolio-filter {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-item {
        margin: 0 0 10px 0;
        width: 100%;
    }
    
    .portfolio-item-inner {
        height: 300px;
    }
    
    .portfolio-title {
        font-size: 20px;
        margin-bottom: 10px;
    }
    
    .portfolio-excerpt {
        font-size: 14px;
        margin-bottom: 15px;
    }
    
    .portfolio-button {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .portfolio-content {
        padding: 25px 20px;
    }
    
    .portfolio-pagination {
        margin-top: 30px;
    }
    
    .portfolio-pagination .page-numbers {
        min-width: 36px;
        height: 36px;
        padding: 8px 14px;
        font-size: 13px;
    }
    
    .portfolio-load-more {
        min-width: 140px;
        padding: 12px 28px;
        font-size: 15px;
    }
    
    /* Hide button icon on mobile when setting is enabled */
    .portfolio-showcase.hide-icon-mobile .portfolio-button .button-icon,
    .portfolio-showcase[data-hide-icon-mobile="yes"] .portfolio-button .button-icon {
        display: none !important;
    }
    
    .portfolio-showcase.hide-icon-mobile .portfolio-button,
    .portfolio-showcase[data-hide-icon-mobile="yes"] .portfolio-button {
        gap: 0 !important;
    }
}

@media (max-width: 480px) {
    .portfolio-item-inner {
        height: 280px;
    }
    
    .portfolio-title {
        font-size: 18px;
    }
}

/* =================================================================
   ACCESSIBILITY
   ================================================================= */
.filter-item:focus,
.portfolio-button:focus {
    outline: 2px solid #667eea;
    outline-offset: 3px;
}

.filter-item:focus:not(:focus-visible),
.portfolio-button:focus:not(:focus-visible) {
    outline: none;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    .portfolio-item,
    .portfolio-item-inner,
    .portfolio-overlay,
    .portfolio-content,
    .portfolio-button,
    .filter-item {
        transition: none !important;
        animation: none !important;
    }
    
    .portfolio-image {
        transition: none !important;
    }
}

/* =================================================================
   RTL SUPPORT
   ================================================================= */
[dir="rtl"] .portfolio-filter {
    direction: rtl;
}

[dir="rtl"] .filter-item {
    margin: 0 0 8px 8px;
}

[dir="rtl"] .portfolio-button .button-icon {
    margin-left: 0;
    margin-right: 8px;
}

[dir="rtl"] .portfolio-button:hover .button-icon {
    transform: translateX(-3px);
}

/* =================================================================
   PRINT STYLES
   ================================================================= */
@media print {
    .portfolio-filter {
        display: none;
    }
    
    .portfolio-overlay {
        opacity: 0 !important;
    }
    
    .portfolio-item {
        break-inside: avoid;
    }
}