/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-color: #000000;
    --secondary-color: #ffffff;
    --accent-color: #6366f1;
    --text-primary: #1a1a1a;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --border-color: #e5e7eb;
    --background: #ffffff;
    --background-secondary: #f9fafb;
    --background-tertiary: #f3f4f6;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--text-primary);
}

.nav-logo {
    width: 32px;
    height: 32px;
}

.nav-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

/* Main Content */
.main-content {
    margin-top: 70px;
    min-height: calc(100vh - 70px);
}

/* Hero Section */
.hero {
    padding: var(--spacing-3xl) 0;
    text-align: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.hero-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Upload Section */
.upload-section {
    padding: var(--spacing-3xl) 0;
}

.upload-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    background: var(--background);
    position: relative;
    overflow: hidden;
}

.upload-area:hover {
    border-color: var(--accent-color);
    background: rgba(99, 102, 241, 0.02);
}

.upload-area.dragover {
    border-color: var(--accent-color);
    background: rgba(99, 102, 241, 0.05);
    transform: scale(1.02);
}

.upload-content {
    position: relative;
    z-index: 2;
}

.upload-icon {
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.upload-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.upload-subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.upload-formats {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.format-tag {
    background: var(--background-tertiary);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* Upload Progress */
.upload-progress {
    margin-top: var(--spacing-lg);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--background-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
    width: 0%;
}

.progress-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* Generation Section */
.generation-section {
    padding: var(--spacing-3xl) 0;
    background: var(--background-secondary);
}

.generation-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.generation-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.generation-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.generation-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

.generation-content {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.image-preview {
    text-align: center;
}

.preview-image {
    width: 100%;
    max-width: 300px;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.preview-placeholder {
    width: 100%;
    max-width: 300px;
    height: 400px;
    background: var(--background-tertiary);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    border: 2px dashed var(--border-color);
}

.placeholder-icon {
    margin-bottom: var(--spacing-sm);
}

.preview-label {
    margin-top: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.generation-animation {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.ai-loader {
    display: flex;
    gap: var(--spacing-sm);
}

.loader-circle {
    width: 12px;
    height: 12px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    animation: pulse 1.5s ease-in-out infinite;
}

.loader-circle:nth-child(2) {
    animation-delay: 0.2s;
}

.loader-circle:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes pulse {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1.2);
        opacity: 1;
    }
}

.loader-text {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Results Section */
.results-section {
    padding: var(--spacing-3xl) 0;
}

.results-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.results-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: center;
}

.results-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
}

.results-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.comparison-container {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-bottom: var(--spacing-3xl);
}

.comparison-item {
    text-align: center;
}

.comparison-image {
    width: 100%;
    max-width: 300px;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.comparison-arrow {
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
}

.comparison-label {
    margin-top: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.result-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    font-size: var(--font-size-base);
    line-height: 1;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--secondary-color);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--background);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--background-secondary);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background: var(--background-secondary);
    border-color: var(--accent-color);
}

/* Features Section */
.features-section {
    padding: var(--spacing-3xl) 0;
    background: var(--background-secondary);
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.features-title {
    text-align: center;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-3xl);
    color: var(--text-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.feature-card {
    background: var(--background);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    color: var(--accent-color);
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: center;
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: var(--secondary-color);
    padding: var(--spacing-3xl) 0;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

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

.footer-logo {
    width: 24px;
    height: 24px;
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.footer-description {
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.footer-links {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--secondary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-links {
        gap: var(--spacing-lg);
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .upload-area {
        padding: var(--spacing-2xl);
    }
    
    .generation-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .comparison-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .comparison-arrow {
        transform: rotate(90deg);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
    
    .results-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .upload-area {
        padding: var(--spacing-lg);
    }
    
    .generation-title,
    .results-title,
    .features-title {
        font-size: var(--font-size-2xl);
    }
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Gallery Styles */
.gallery-header {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.gallery-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.gallery-title-section {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.gallery-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.gallery-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
}

.gallery-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.search-box svg {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) 3rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    background: var(--background);
    transition: border-color var(--transition-fast);
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-color);
}

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

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 1px solid var(--border-color);
    background: var(--background);
    color: var(--text-secondary);
    border-radius: var(--radius-lg);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--accent-color);
    color: var(--secondary-color);
    border-color: var(--accent-color);
}

.gallery-content {
    padding: var(--spacing-3xl) 0;
}

.gallery-loading {
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--text-secondary);
}

.loading-spinner {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.spinner-circle {
    width: 12px;
    height: 12px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    animation: pulse 1.5s ease-in-out infinite;
}

.spinner-circle:nth-child(2) {
    animation-delay: 0.2s;
}

.spinner-circle:nth-child(3) {
    animation-delay: 0.4s;
}

.gallery-empty {
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--text-secondary);
}

.empty-icon {
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.gallery-empty h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.gallery-empty p {
    margin-bottom: var(--spacing-xl);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--background);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal);
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.gallery-image {
    width: 100%;
    height: auto;
    min-height: 200px;
    object-fit: cover;
    display: block;
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
    opacity: 1;
    transition: opacity var(--transition-normal);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-lg);
}

.overlay-content {
    width: 100%;
    color: var(--secondary-color);
}

.gallery-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.gallery-date {
    font-size: var(--font-size-sm);
    opacity: 0.8;
    margin-bottom: var(--spacing-md);
}

/* Gallery stats removed - no longer needed */

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

.gallery-btn {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.2);
    color: var(--secondary-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
    backdrop-filter: blur(10px);
}

.gallery-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.load-more-container {
    text-align: center;
    margin-top: var(--spacing-3xl);
}

/* Modal Styles */
.image-modal,
.comparison-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: none;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    margin: 5vh auto;
    background: var(--background);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
}

.modal-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 10;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(0, 0, 0, 0.5);
    color: var(--secondary-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.7);
}

.modal-body {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.modal-image-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--background-tertiary);
    min-height: 400px;
}

.modal-image {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: var(--radius-lg);
}

.modal-info {
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.modal-details h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.modal-details p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.modal-tags {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.modal-tag {
    background: var(--background-tertiary);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* Comparison Modal */
.comparison-content {
    max-width: 95vw;
}

.comparison-body {
    padding: var(--spacing-xl);
}

.comparison-title {
    text-align: center;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-2xl);
    color: var(--text-primary);
}

.comparison-images {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.comparison-item {
    text-align: center;
}

.comparison-image {
    width: 100%;
    max-width: 400px;
    height: 500px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.comparison-label {
    margin-top: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.comparison-arrow {
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Responsive Gallery */
@media (max-width: 768px) {
    .gallery-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        max-width: none;
    }
    
    .filter-buttons {
        justify-content: center;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: var(--spacing-lg);
    }
    
    .gallery-image {
        min-height: 200px;
    }
    
    .modal-content {
        max-width: 95vw;
        max-height: 95vh;
        margin: 2.5vh auto;
    }
    
    .modal-body {
        flex-direction: column;
    }
    
    .modal-image-container {
        min-height: 300px;
    }
    
    .modal-image {
        max-height: 50vh;
    }
    
    .comparison-images {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .comparison-arrow {
        transform: rotate(90deg);
    }
    
    .comparison-image {
        max-width: 300px;
        height: 400px;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-image {
        min-height: 200px;
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }