/* ===== VARIABLES CSS ===== */
:root {
    /* Couleurs Light Theme */
    --primary-color: #1397EA;
    --primary-dark: #0f7ab8;
    --primary-light: #4aa3e8;
    --secondary-color: #6C757D;
    --accent-color: #FFC107;
    --success-color: #28A745;
    --danger-color: #DC3545;
    --warning-color: #FFC107;
    --info-color: #17A2B8;
    
    /* Couleurs background */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --bg-dark: #212529;
    --bg-card: #ffffff;
    
    /* Couleurs texte */
    --text-primary: #212529;
    --text-secondary: #6C757D;
    --text-muted: #adb5bd;
    --text-light: #f8f9fa;
    
    /* Couleurs border */
    --border-color: #dee2e6;
    --border-light: #e9ecef;
    --border-dark: #ced4da;
    
    /* Shadows */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    
    /* Fonts */
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Rajdhani', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 3rem;
    
    /* Border radius */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 1rem;
    --border-radius-xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* ===== THEME TOGGLE ===== */
.theme-toggle {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 1000;
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    background: var(--bg-card);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.theme-toggle .sun-icon,
.theme-toggle .moon-icon {
    font-size: 1.25rem;
    transition: all var(--transition-normal);
}

[data-theme="dark"] .sun-icon {
    opacity: 0;
    transform: rotate(180deg) scale(0);
}

[data-theme="dark"] .moon-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

[data-theme="light"] .sun-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

[data-theme="light"] .moon-icon {
    opacity: 0;
    transform: rotate(-180deg) scale(0);
}

/* ===== SIDEBAR NAVIGATION ===== */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 280px;
    height: 100vh;
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: all var(--transition-normal);
}

.nav-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
}

.logo {
    text-align: center;
}

.logo img {
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-md);
    border-radius: 50%;
}

.logo h1 {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.logo p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-menu {
    flex: 1;
    padding: var(--spacing-lg) 0;
    list-style: none;
}

.nav-menu li {
    margin-bottom: var(--spacing-xs);
}

.nav-link {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xl);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-normal);
    position: relative;
}

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

.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
}

.nav-link i {
    width: 20px;
    margin-right: var(--spacing-md);
    font-size: 1.1rem;
}

.social-links {
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-links a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* ===== MAIN CONTENT ===== */
.main-content {
    margin-left: 280px;
    min-height: 100vh;
    transition: margin-left var(--transition-normal);
}

/* ===== SECTIONS ===== */
.section {
    display: none;
    min-height: 100vh;
    padding: var(--spacing-xl);
    animation: fadeIn 0.5s ease-in-out;
}

.section.active {
    display: block;
}

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

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

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

.section-header h2 {
    font-family: var(--font-secondary);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

/* ===== HERO SECTION ===== */
.hero {
    display: flex;
    align-items: center;
    min-height: calc(100vh - 120px);
    padding: var(--spacing-xl) 0;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.typing-text {
    margin-bottom: var(--spacing-lg);
}

.typing-text h1 {
    font-family: var(--font-secondary);
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-visual {
    flex: 1;
    position: relative;
    height: 400px;
}

.floating-shapes {
    position: relative;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 100px;
    height: 100px;
    background: var(--primary-color);
    opacity: 0.1;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    background: var(--accent-color);
    opacity: 0.1;
    top: 50%;
    right: 20%;
    animation-delay: 2s;
}

.shape-3 {
    width: 80px;
    height: 80px;
    background: var(--success-color);
    opacity: 0.1;
    bottom: 20%;
    left: 30%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
}

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

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

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

/* ===== ABOUT SECTION ===== */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

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

.about-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: all var(--transition-normal);
}

.about-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.about-card h3 {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.about-card p {
    line-height: 1.7;
}

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.cv-download {
    text-align: center;
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
}

.cv-download i {
    font-size: 4rem;
    color: var(--danger-color);
    margin-bottom: var(--spacing-lg);
}

.cv-download h4 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

/* ===== SKILLS SECTION ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.skill-category {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: all var(--transition-normal);
}

.skill-category:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.skill-category h3 {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--primary-color);
}

.skill-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-lg);
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
}

.skill-item:hover {
    background: var(--bg-secondary);
    transform: translateY(-2px);
}

.skill-item img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.skill-item span {
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
}

/* ===== PROJECTS SECTION ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: all var(--transition-normal);
}

.project-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-10px);
}

.project-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all var(--transition-normal);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

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

.project-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.project-link:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.project-content {
    padding: var(--spacing-xl);
}

.project-content h3 {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tech-tag {
    padding: 4px 12px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
}

.coming-soon .project-image {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
}

.coming-soon-content {
    text-align: center;
    color: var(--text-secondary);
}

.coming-soon-content i {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.coming-soon-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

/* ===== GALLERY SECTION ===== */
.upload-section {
    margin-bottom: var(--spacing-xl);
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    background: var(--bg-secondary);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--primary-color);
    background: var(--bg-tertiary);
}

.upload-content i {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.upload-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

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

.gallery-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    min-width: 120px;
}

.stat-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.stat-item span:first-of-type {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.stat-item span:last-of-type {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.gallery-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all var(--transition-normal);
}

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

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

.gallery-item-btn {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
}

.gallery-item-btn:hover {
    background: var(--danger-color);
    transform: scale(1.1);
}

/* ===== CONTACT SECTION ===== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

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

.contact-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: all var(--transition-normal);
}

.contact-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.contact-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.contact-card h3 {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.contact-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-card a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-card a:hover {
    text-decoration: underline;
}

.contact-form {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-light);
    border-radius: var(--border-radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(19, 151, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== IMAGE VIEWER ===== */
.image-viewer {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.image-viewer.active {
    display: flex;
}

.image-viewer-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.image-viewer-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    z-index: 2001;
}

#viewerImage {
    max-width: 100%;
    max-height: 100%;
    border-radius: var(--border-radius-md);
}

.image-viewer-close,
.image-viewer-prev,
.image-viewer-next,
.image-viewer-delete {
    position: absolute;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all var(--transition-normal);
}

.image-viewer-close:hover,
.image-viewer-prev:hover,
.image-viewer-next:hover,
.image-viewer-delete:hover {
    background: var(--primary-color);
    transform: scale(1.1);
}

.image-viewer-close {
    top: -25px;
    right: -25px;
}

.image-viewer-prev {
    left: -25px;
    top: 50%;
    transform: translateY(-50%);
}

.image-viewer-next {
    right: -25px;
    top: 50%;
    transform: translateY(-50%);
}

.image-viewer-delete {
    bottom: -25px;
    right: 50%;
    transform: translateX(50%);
    background: var(--danger-color);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-xl);
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .typing-text h1 {
        font-size: 3rem;
    }
    
    .hero-visual {
        height: 300px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: var(--spacing-lg);
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .typing-text h1 {
        font-size: 2.5rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .skills-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

@media (max-width: 480px) {
    .theme-toggle {
        top: 1rem;
        right: 1rem;
        width: 40px;
        height: 40px;
    }
    
    .theme-toggle i {
        font-size: 1rem;
    }
    
    .typing-text h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .upload-content i {
        font-size: 3rem;
    }
    
    .upload-content h3 {
        font-size: 1.25rem;
    }
    
    .image-viewer-close,
    .image-viewer-prev,
    .image-viewer-next,
    .image-viewer-delete {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .image-viewer-close {
        top: -20px;
        right: -20px;
    }
    
    .image-viewer-prev {
        left: -20px;
    }
    
    .image-viewer-next {
        right: -20px;
    }
    
    .image-viewer-delete {
        bottom: -20px;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.animate-slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

.animate-slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

.animate-slide-in-up {
    animation: slideInUp 0.6s ease-out;
}

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

.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); }