/* ===== PORTFOLIO PAGE STYLES ===== */

.portfolio-hero {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: calc(var(--spacing-3xl) + var(--header-height)) 0 var(--spacing-3xl);
    text-align: center;
}

.portfolio-hero h1 {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-sm);
}

.portfolio-hero p {
    font-size: var(--font-size-xl);
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

/* Portfolio Filter Section */
.portfolio-filter-section {
    background-color: var(--color-white);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--color-gray-lighter);
    position: sticky;
    top: var(--header-height);
    z-index: 90;
}

.filter-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.category-filters h3 {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.category-btn {
    padding: 0.5rem 1rem;
    font-weight: 500;
    border-radius: var(--border-radius-md);
    color: var(--color-gray);
    transition: all var(--transition-fast);
    background-color: transparent;
}

.category-btn:hover {
    color: var(--color-dark);
    background-color: var(--color-gray-lighter);
}

.category-btn.active {
    color: var(--color-primary);
    background-color: rgba(61, 90, 241, 0.1);
}

.filter-search {
    flex-shrink: 0;
}

.search-box {
    position: relative;
    width: 300px;
}

.search-box input {
    width: 100%;
    padding: 0.75rem 3rem 0.75rem 1rem;
    border: 1px solid var(--color-gray-lighter);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

.search-box input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(61, 90, 241, 0.2);
}

.search-box button {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray);
    transition: color var(--transition-fast);
}

.search-box button:hover {
    color: var(--color-primary);
}

/* Portfolio Grid Section */
.portfolio-grid-section {
    padding: var(--spacing-2xl) 0;
}

.grid-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.results-count {
    font-size: var(--font-size-base);
    color: var(--color-gray);
}

.results-count span {
    font-weight: 600;
    color: var(--color-dark);
}

.grid-sort {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.grid-sort label {
    color: var(--color-gray);
}

.grid-sort select {
    padding: 0.5rem 2rem 0.5rem 1rem;
    border: 1px solid var(--color-gray-lighter);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E%0A");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.grid-sort select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(61, 90, 241, 0.2);
}

/* Portfolio Grid */
.portfolio-grid {
    margin-bottom: var(--spacing-xl);
}

/* Animations for filtering */
.work-item {
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.work-item.hidden {
    opacity: 0;
    transform: scale(0.9);
    pointer-events: none;
}

.work-item.visible {
    opacity: 1;
    transform: scale(1);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.empty-state h3 {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-xl);
}

.empty-state p {
    max-width: 500px;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-gray);
}

/* Load More Button */
.load-more {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.load-more .btn {
    padding: 0.75rem 2rem;
    font-weight: 600;
}

/* Sentinel for infinite scroll */
.scroll-sentinel {
    width: 100%;
    height: 1px;
    margin-top: var(--spacing-2xl);
    visibility: hidden;
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 2px solid rgba(61, 90, 241, 0.3);
    border-radius: 50%;
    border-top-color: var(--color-primary);
    animation: spin 1s ease infinite;
}

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

.loader {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: var(--spacing-xl) 0;
}

/* End message */
.end-message {
    text-align: center;
    padding: var(--spacing-lg) 0;
    color: var(--color-gray);
    font-style: italic;
}

/* CTA Section */
.cta-section {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.cta-content h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: var(--font-size-lg);
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.cta-buttons .btn {
    min-width: 150px;
}

.cta-content .btn-primary {
    background-color: var(--color-white);
    color: var(--color-primary);
}

.cta-content .btn-primary:hover {
    background-color: rgba(255, 255, 255, 0.9);
}

.cta-content .btn-outline {
    border-color: var(--color-white);
    color: var(--color-white);
}

.cta-content .btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Project Detail Page Styles */
.project-detail {
    padding: var(--spacing-3xl) 0;
}

.project-header {
    margin-bottom: var(--spacing-xl);
}

.project-header h1 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
}

.project-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.project-category {
    font-size: var(--font-size-base);
    padding: 0.25rem 0.75rem;
    background-color: rgba(61, 90, 241, 0.1);
    color: var(--color-primary);
    border-radius: var(--border-radius-md);
    font-weight: 600;
}

.project-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.star-rating {
    display: flex;
    align-items: center;
}

.star {
    color: var(--color-gray-light);
    font-size: var(--font-size-xl);
    line-height: 1;
}

.star.full, .star.half {
    color: #FFD700;
}

.rating-count {
    color: var(--color-gray);
    font-size: var(--font-size-sm);
}

.project-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.project-gallery {
    margin-bottom: var(--spacing-lg);
}

.project-gallery-main {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    cursor: pointer;
}

.project-gallery-main img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.project-gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
}

.gallery-thumb {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-normal);
}

.gallery-thumb:hover, .gallery-thumb.active {
    opacity: 1;
}

.gallery-thumb img {
    width: 100%;
    height: 80px;
    object-fit: cover;
}

.project-video {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.project-video video {
    width: 100%;
    display: block;
}

.project-info-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.project-description h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.project-description p {
    color: var(--color-gray);
    line-height: 1.6;
}

.project-details h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.project-details ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.project-details li {
    display: flex;
    align-items: flex-start;
}

.project-details li strong {
    min-width: 100px;
    color: var(--color-dark);
}

/* Project Interaction Section */
.project-interaction {
    border-top: 1px solid var(--color-gray-lighter);
    padding-top: var(--spacing-xl);
}

.rate-project h3, .project-comments h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.rating-input {
    margin-bottom: var(--spacing-lg);
}

.star-rating-input {
    display: flex;
    gap: var(--spacing-xs);
}

.star-rating-input .star {
    font-size: var(--font-size-2xl);
    cursor: pointer;
    color: var(--color-gray-lighter);
    transition: color var(--transition-fast);
}

.star-rating-input .star:hover, .star-rating-input .star.hover, .star-rating-input .star.active {
    color: #FFD700;
}

.comment-form {
    background-color: var(--color-gray-lighter);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-xl);
}

.comment-form h4 {
    margin-bottom: var(--spacing-md);
}

.comments-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.comment {
    display: flex;
    gap: var(--spacing-md);
}

.comment-avatar {
    flex-shrink: 0;
}

.comment-avatar img {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-full);
    object-fit: cover;
}

.comment-content {
    flex-grow: 1;
}

.comment-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
}

.comment-author {
    font-size: var(--font-size-base);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.badge-admin {
    font-size: var(--font-size-xs);
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.125rem 0.375rem;
    border-radius: var(--border-radius-sm);
}

.comment-date {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
}

.comment-text {
    margin-bottom: var(--spacing-sm);
}

.comment-text p {
    color: var(--color-gray);
    line-height: 1.6;
}

.comment-actions {
    margin-bottom: var(--spacing-md);
}

.reply-btn {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    font-weight: 500;
}

.reply-btn:hover {
    text-decoration: underline;
}

.comment-replies {
    margin-left: 20px;
    margin-top: var(--spacing-md);
    padding-left: var(--spacing-md);
    border-left: 2px solid var(--color-gray-lighter);
}

.reply-form {
    margin-top: var(--spacing-md);
    background-color: var(--color-gray-lighter);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
}

.reply-form h5 {
    margin-bottom: var(--spacing-md);
}

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: var(--z-index-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.lightbox-content {
    position: relative;
    width: 100%;
    max-width: 1200px;
    height: 100%;
    max-height: 800px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-full);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    font-size: var(--font-size-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color var(--transition-fast);
    z-index: 10;
}

.lightbox-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.lightbox-prev, .lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-full);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    font-size: var(--font-size-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color var(--transition-fast);
    z-index: 10;
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-prev:hover, .lightbox-next:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.lightbox-image-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-image-container img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.lightbox-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    background-color: rgba(0, 0, 0, 0.5);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-full);
}

/* Rating success & error messages */
.rating-success, .rating-error, .reply-success, .reply-error, .comment-success, .comment-error {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
}

.rating-success, .reply-success, .comment-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.rating-error, .reply-error, .comment-error {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

/* No comments message */
.no-comments {
    padding: var(--spacing-md);
    color: var(--color-gray);
    text-align: center;
    font-style: italic;
}

/* Responsive styles */
@media (max-width: 991px) {
    .project-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .search-box {
        width: 250px;
    }
}

@media (max-width: 767px) {
    .portfolio-hero {
        padding: calc(var(--spacing-2xl) + var(--header-height)) 0 var(--spacing-2xl);
    }
    
    .portfolio-hero h1 {
        font-size: var(--font-size-3xl);
    }
    
    .portfolio-hero p {
        font-size: var(--font-size-lg);
    }
    
    .portfolio-filter-section {
        padding: var(--spacing-md) 0;
        position: relative;
        top: 0;
    }
    
    .filter-container {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .filter-search {
        width: 100%;
    }
    
    .search-box {
        width: 100%;
    }
    
    .grid-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .gallery-thumb img {
        height: 60px;
    }
    
    .project-gallery-thumbs {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .project-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .comment {
        flex-direction: column;
    }
    
    .comment-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
}

@media (max-width: 479px) {
    .project-gallery-thumbs {
        grid-template-columns: repeat(2, 1fr);
    }
}