/* Project Portfolio Frontend Styles */
:root {
    --pp-primary-color: #3b82f6;
    --pp-secondary-color: #1d4ed8;
    --pp-text-color: #1f2937;
    --pp-text-light: #6b7280;
    --pp-border-color: #e5e7eb;
    --pp-bg-white: #ffffff;
    --pp-bg-gray: #f9fafb;
    --pp-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --pp-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --pp-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --pp-text-color: #f9fafb;
        --pp-text-light: #d1d5db;
        --pp-border-color: #374151;
        --pp-bg-white: #1f2937;
        --pp-bg-gray: #111827;
    }
}

/* Gallery Container */
.pp-gallery-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Gallery Grid */
.pp-gallery-grid {
    display: grid;
    gap: 30px;
    margin: 30px 0;
}

/* Responsive Grid Columns */
.pp-columns-1 { grid-template-columns: 1fr; }
.pp-columns-2 { grid-template-columns: repeat(2, 1fr); }
.pp-columns-3 { grid-template-columns: repeat(3, 1fr); }
.pp-columns-4 { grid-template-columns: repeat(4, 1fr); }

/* Project Card */
.pp-project-card {
    background: var(--pp-bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--pp-shadow);
    transition: var(--pp-transition);
    cursor: pointer;
    position: relative;
    border: 1px solid var(--pp-border-color);
}

.pp-project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--pp-shadow-lg);
}

/* Project Image */
.pp-project-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
    background: var(--pp-bg-gray);
}

.pp-project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--pp-transition);
}

.pp-project-card:hover .pp-project-image img {
    transform: scale(1.05);
}

/* Image Count Badge */
.pp-image-count {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    backdrop-filter: blur(4px);
}

/* Project Content */
.pp-project-content {
    padding: 24px;
}

.pp-project-title {
    margin: 0 0 12px 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--pp-text-color);
    line-height: 1.3;
}

.pp-project-description {
    color: var(--pp-text-light);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* View Project Button */
.pp-view-project {
    background: var(--pp-primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--pp-transition);
    width: 100%;
}

.pp-view-project:hover {
    background: var(--pp-secondary-color);
    transform: translateY(-1px);
}

/* Modal Styles */
.pp-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: var(--pp-transition);
}

.pp-modal.active {
    opacity: 1;
    visibility: visible;
}

.pp-modal-content {
    background: var(--pp-bg-white);
    border-radius: 16px;
    max-width: 1100px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    position: relative;
    transform: scale(0.9);
    transition: var(--pp-transition);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.pp-modal.active .pp-modal-content {
    transform: scale(1);
}

/* Modal Close Button */
.pp-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    z-index: 1001;
    transition: var(--pp-transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pp-modal-close:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: scale(1.1);
}

/* Modal Layout */
.pp-modal-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 500px;
    max-height: 80vh;
}

.pp-modal-left {
    padding: 40px;
    overflow-y: auto;
    background: var(--pp-bg-white);
}

.pp-modal-right {
    background: var(--pp-bg-gray);
    position: relative;
    overflow: hidden;
}

/* Modal Project Details */
.pp-modal-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--pp-text-color);
    margin: 0 0 16px 0;
    line-height: 1.2;
}

.pp-modal-meta {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--pp-border-color);
}

.pp-modal-client {
    color: var(--pp-primary-color);
    font-weight: 600;
    margin-bottom: 8px;
}

.pp-modal-date {
    color: var(--pp-text-light);
    font-size: 14px;
}

.pp-modal-description {
    color: var(--pp-text-color);
    line-height: 1.7;
    margin-bottom: 24px;
}

.pp-modal-description h1,
.pp-modal-description h2,
.pp-modal-description h3,
.pp-modal-description h4,
.pp-modal-description h5,
.pp-modal-description h6 {
    margin-top: 24px;
    margin-bottom: 12px;
    color: var(--pp-text-color);
}

.pp-modal-description p {
    margin-bottom: 16px;
}

.pp-modal-description ul,
.pp-modal-description ol {
    margin-bottom: 16px;
    padding-left: 20px;
}

.pp-modal-focus {
    background: var(--pp-bg-gray);
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--pp-primary-color);
    margin-top: 24px;
}

.pp-modal-focus h4 {
    margin: 0 0 12px 0;
    color: var(--pp-text-color);
    font-size: 16px;
    font-weight: 600;
}

.pp-modal-focus p {
    margin: 0;
    color: var(--pp-text-light);
    line-height: 1.6;
}

/* Image Gallery in Modal */
.pp-modal-gallery {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.pp-main-image-container {
    flex: 1;
    position: relative;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pp-main-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    cursor: zoom-in;
    transition: var(--pp-transition);
}

.pp-image-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    backdrop-filter: blur(4px);
}

/* Thumbnail Grid */
.pp-thumbnail-grid {
    background: var(--pp-bg-white);
    padding: 20px;
    max-height: 120px;
    overflow-x: auto;
    overflow-y: hidden;
    display: flex;
    gap: 12px;
    border-top: 1px solid var(--pp-border-color);
}

.pp-thumbnail-grid::-webkit-scrollbar {
    height: 6px;
}

.pp-thumbnail-grid::-webkit-scrollbar-track {
    background: var(--pp-bg-gray);
    border-radius: 3px;
}

.pp-thumbnail-grid::-webkit-scrollbar-thumb {
    background: var(--pp-border-color);
    border-radius: 3px;
}

.pp-thumbnail-grid::-webkit-scrollbar-thumb:hover {
    background: var(--pp-text-light);
}

.pp-thumbnail {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--pp-transition);
    position: relative;
}

.pp-thumbnail.active {
    border-color: var(--pp-primary-color);
    transform: scale(1.05);
}

.pp-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pp-thumbnail:hover {
    transform: scale(1.1);
    box-shadow: var(--pp-shadow);
}

/* Image Zoom */
.pp-zoom-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    cursor: zoom-out;
    opacity: 0;
    visibility: hidden;
    transition: var(--pp-transition);
}

.pp-zoom-overlay.active {
    opacity: 1;
    visibility: visible;
}

.pp-zoom-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* Loading States */
.pp-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--pp-text-light);
}

.pp-loading::after {
    content: '';
    width: 32px;
    height: 32px;
    border: 3px solid var(--pp-border-color);
    border-top: 3px solid var(--pp-primary-color);
    border-radius: 50%;
    animation: pp-spin 1s linear infinite;
    margin-left: 12px;
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .pp-columns-4 { grid-template-columns: repeat(3, 1fr); }
    
    .pp-modal-layout {
        grid-template-columns: 1fr;
    }
    
    .pp-modal-left {
        padding: 30px;
        order: 2;
    }
    
    .pp-modal-right {
        order: 1;
        min-height: 400px;
    }
}

@media (max-width: 768px) {
    .pp-gallery-container {
        padding: 0 15px;
    }
    
    .pp-gallery-grid {
        gap: 20px;
        margin: 20px 0;
    }
    
    .pp-columns-3,
    .pp-columns-4 { 
        grid-template-columns: repeat(2, 1fr); 
    }
    
    .pp-project-content {
        padding: 20px;
    }
    
    .pp-project-title {
        font-size: 18px;
    }
    
    .pp-modal {
        padding: 10px;
    }
    
    .pp-modal-content {
        max-height: 95vh;
    }
    
    .pp-modal-left {
        padding: 20px;
    }
    
    .pp-modal-title {
        font-size: 24px;
    }
    
    .pp-thumbnail-grid {
        padding: 15px;
        gap: 8px;
    }
    
    .pp-thumbnail {
        width: 60px;
        height: 60px;
    }
}

@media (max-width: 480px) {
    .pp-columns-2,
    .pp-columns-3,
    .pp-columns-4 { 
        grid-template-columns: 1fr; 
    }
    
    .pp-gallery-grid {
        gap: 15px;
    }
    
    .pp-project-content {
        padding: 16px;
    }
    
    .pp-modal-close {
        top: 15px;
        right: 15px;
        width: 35px;
        height: 35px;
        font-size: 18px;
    }
    
    .pp-modal-left {
        padding: 16px;
    }
    
    .pp-modal-title {
        font-size: 20px;
    }
    
    .pp-thumbnail-grid {
        padding: 12px;
        max-height: 100px;
    }
    
    .pp-thumbnail {
        width: 50px;
        height: 50px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
.pp-project-card:focus,
.pp-view-project:focus,
.pp-thumbnail:focus,
.pp-modal-close:focus {
    outline: 2px solid var(--pp-primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .pp-project-card {
        border: 2px solid var(--pp-text-color);
    }
    
    .pp-view-project {
        border: 2px solid currentColor;
    }
}