/* ============================================
   Projects Pages Styles
   ============================================ */

/* Projects Header */
.projects-header {
    padding: 140px 0 40px;
    text-align: center;
}

.projects-page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.projects-page-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Filters */
.filters-section {
    padding: 0 0 2rem;
    position: sticky;
    top: 70px;
    z-index: 100;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
}

.filters-bar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.filter-group {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.search-wrapper {
    position: relative;
    flex: 1;
    min-width: 200px;
}

.search-wrapper i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.filter-select {
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    min-width: 150px;
    transition: var(--transition);
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary);
}

.filter-toggles {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    user-select: none;
}

.toggle-label input[type="checkbox"] {
    accent-color: var(--primary);
    cursor: pointer;
}

.clear-btn {
    padding: 0.4rem 0.8rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
}

.clear-btn:hover {
    border-color: var(--primary);
    color: var(--text-primary);
}

.project-count {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-family: 'JetBrains Mono', monospace;
    margin-left: auto;
}

/* Projects List */
.projects-list-section {
    padding: 2rem 0 6rem;
}

/* Project Card (list view) */
.project-card-list {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2rem;
    margin-bottom: 1.25rem;
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    display: block;
    color: inherit;
}

.project-card-list:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transform: translateY(-2px);
    color: inherit;
}

.project-card-list-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    gap: 1rem;
}

.project-card-list-badges {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-shrink: 0;
}

.domain-badge {
    background: rgba(37, 99, 235, 0.15);
    color: var(--primary-light);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
}

.domain-badge.sports {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.domain-badge.ai {
    background: rgba(139, 92, 246, 0.15);
    color: #a78bfa;
}

.domain-badge.engineering {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.year-badge {
    color: var(--text-muted);
    font-size: 0.8rem;
    font-family: 'JetBrains Mono', monospace;
}

.project-card-list-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.project-card-list-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.project-card-list-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.project-card-list-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.project-card-list-tags .tag {
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
}

.project-card-list-cta {
    color: var(--primary-light);
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-shrink: 0;
}

.project-card-list-cta i {
    transition: transform 0.3s ease;
}

.project-card-list:hover .project-card-list-cta i {
    transform: translateX(4px);
}

.project-card-list-links {
    display: flex;
    gap: 0.5rem;
    margin-left: auto;
}

.project-card-list-links a {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: var(--transition);
}

.project-card-list-links a:hover {
    background: var(--primary);
    color: white;
}

/* Year Divider */
.year-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 2.5rem 0 1.25rem;
}

.year-divider:first-child {
    margin-top: 0;
}

.year-divider-label {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
}

.year-divider-line {
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* No Results */
.no-results {
    text-align: center;
    padding: 4rem 0;
    color: var(--text-muted);
}

.no-results i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

/* ============================================
   Project Detail Page
   ============================================ */

/* Back Link */
.back-section {
    padding: 100px 0 0;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.back-link:hover {
    color: var(--primary-light);
}

.back-link i {
    transition: transform 0.3s ease;
}

.back-link:hover i {
    transform: translateX(-4px);
}

/* Project Hero */
.project-hero {
    padding: 2rem 0 3rem;
}

.project-hero-meta {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 1rem;
}

.project-hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.project-hero-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
    max-width: 800px;
}

.project-hero-links {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.project-hero-links a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.project-hero-links a:hover {
    border-color: var(--primary);
    color: var(--text-primary);
    background: rgba(37, 99, 235, 0.1);
}

/* Project Layout */
.project-body {
    padding: 0 0 6rem;
}

.project-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 3rem;
    align-items: start;
}

/* Sidebar */
.project-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    position: sticky;
    top: 90px;
}

.sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
}

.sidebar-card h3 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.sidebar-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sidebar-info-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
}

.sidebar-info-row .label {
    color: var(--text-muted);
}

.sidebar-info-row .value {
    color: var(--text-primary);
    font-weight: 500;
}

.sidebar-stats {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sidebar-stat {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
}

.sidebar-stat .stat-label {
    color: var(--text-muted);
}

.sidebar-stat .stat-value {
    color: var(--accent);
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

.sidebar-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.sidebar-tags .tag {
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
}

/* Main Content */
.project-main {
    min-width: 0;
}

.project-section {
    margin-bottom: 2.5rem;
}

.project-section h2 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border);
}

.project-section p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
}

/* Gallery */
.project-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.gallery-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
}

.gallery-item:hover {
    border-color: var(--primary);
    transform: scale(1.02);
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   Lightbox
   ============================================ */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    cursor: zoom-out;
    backdrop-filter: blur(8px);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.lightbox.active .lightbox-img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 1.5rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .project-layout {
        grid-template-columns: 1fr;
    }

    .project-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }

    .project-hero-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .projects-header {
        padding: 120px 0 30px;
    }

    .projects-page-title {
        font-size: 2.25rem;
    }

    .filter-group {
        flex-direction: column;
    }

    .filter-select {
        min-width: auto;
        width: 100%;
    }

    .search-wrapper {
        min-width: auto;
    }

    .project-card-list {
        padding: 1.5rem;
    }

    .project-card-list-header {
        flex-direction: column;
    }

    .project-card-list-title {
        font-size: 1.15rem;
    }

    .project-card-list-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .project-hero-title {
        font-size: 1.75rem;
    }

    .project-sidebar {
        grid-template-columns: 1fr 1fr;
    }

    .filters-section {
        position: static;
    }
}

@media (max-width: 480px) {
    .project-sidebar {
        grid-template-columns: 1fr;
    }

    .project-hero-links {
        flex-direction: column;
    }
}