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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --background-color: #ffffff;
    --surface-color: #f8fafc;
    --border-color: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-large: 0 10px 15px rgba(0, 0, 0, 0.1);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-color);
    overflow-x: hidden;
}

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

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.025em;
}

.home-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.875rem;
}

.home-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

/* Main Content */
.main {
    padding-top: 80px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--surface-color) 0%, var(--background-color) 100%);
    padding: 4rem 2rem;
    text-align: center;
}

.hero-content {
    max-width: 600px;
    margin: 0 auto;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--secondary-color) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Gallery Section */
.gallery-section {
    padding: 4rem 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.gallery-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.view-toggle {
    display: flex;
    background: var(--surface-color);
    border-radius: var(--radius-md);
    padding: 0.25rem;
    border: 1px solid var(--border-color);
}

.view-btn {
    padding: 0.5rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
}

.view-btn.active,
.view-btn:hover {
    background: var(--primary-color);
    color: white;
}

/* Gallery Grid */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    animation: fadeIn 0.6s ease-out;
}

.gallery.list-view {
    grid-template-columns: 1fr;
    gap: 1rem;
}

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

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

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item-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: 0;
    transition: var(--transition);
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
}

.gallery-item:hover .gallery-item-overlay {
    opacity: 1;
}

.gallery-item-info {
    color: white;
    width: 100%;
}

.gallery-item-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.gallery-item-actions {
    display: flex;
    gap: 0.5rem;
}

.action-btn {
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.action-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: none;
    animation: fadeIn 0.3s ease-out;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: var(--radius-xl);
    max-width: 90vw;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: var(--shadow-large);
    animation: scaleIn 0.3s ease-out;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 2.5rem;
    height: 2.5rem;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: var(--transition);
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.7);
    transform: scale(1.1);
}

.modal-image-container {
    max-height: 80vh;
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8fafc;
    position: relative;
    min-height: 200px;
}

.modal-image-container::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: 1;
}

.modal-image-container.loaded::before {
    display: none;
}

.modal-image {
    max-width: 100%;
    max-height: 80vh;
    width: auto;
    height: auto;
    display: block;
    object-fit: contain;
    transition: var(--transition);
}

.modal-info {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.modal-actions {
    display: flex;
    gap: 1rem;
}

.modal-actions .action-btn {
    background: var(--surface-color);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.modal-actions .action-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--primary-color);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-large);
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
    z-index: 3000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* List View Styles */
.gallery.list-view .gallery-item {
    display: flex;
    align-items: center;
    height: 120px;
}

.gallery.list-view .gallery-item img {
    width: 200px;
    height: 120px;
    flex-shrink: 0;
}

.gallery.list-view .gallery-item-overlay {
    position: relative;
    opacity: 1;
    background: none;
    padding: 1rem;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.gallery.list-view .gallery-item-info {
    color: var(--text-primary);
}

.gallery.list-view .action-btn {
    background: var(--surface-color);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes spin {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        padding: 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .gallery {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1rem;
    }
    
    .gallery-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .modal-content {
        margin: 1rem;
        max-width: calc(100vw - 2rem);
        max-height: calc(100vh - 2rem);
    }
    
    .modal-image-container {
        max-height: 70vh;
    }
    
    .modal-image {
        max-height: 70vh;
    }
    
    .gallery.list-view .gallery-item {
        flex-direction: column;
        height: auto;
    }
    
    .gallery.list-view .gallery-item img {
        width: 100%;
        height: 200px;
    }
    
    .gallery.list-view .gallery-item-overlay {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 2rem 1rem;
    }
    
    .gallery-section {
        padding: 2rem 1rem;
    }
    
    .gallery {
        grid-template-columns: 1fr;
    }
    
    .toast {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
    }
}