/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

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

:root {
    --primary-color: #E01E22;
    --primary-dark: #c01820;
    --primary-light: #ff4449;
    --secondary-color: #2c3e50;
    --accent-color: #3498db;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --light-bg: #f8fafc;
    --white: #ffffff;
    --gray-100: #f7fafc;
    --gray-200: #edf2f7;
    --gray-300: #e2e8f0;
    --gray-400: #cbd5e0;
    --gray-500: #a0aec0;
    --gray-600: #718096;
    --gray-700: #4a5568;
    --gray-800: #2d3748;
    --gray-900: #1a202c;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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: 12px;
    --border-radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--gray-800);
    line-height: 1.6;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
    position: relative;
}

/* Floating particles animation */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); opacity: 0; }
    50% { transform: translateY(-100px) rotate(180deg); opacity: 1; }
}

/* Header */
header {
    text-align: center;
    margin-bottom: 48px;
    padding: 48px 32px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

header h1 {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 16px;
    font-weight: 800;
    letter-spacing: -0.02em;
    position: relative;
}

header p {
    color: var(--gray-600);
    font-size: 1.25rem;
    font-weight: 500;
    max-width: 600px;
    margin: 0 auto;
}

/* Form Section */
.form-section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 48px;
    position: relative;
    overflow: hidden;
}

.form-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color), var(--success-color));
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.form-section h2 {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 32px;
    font-size: 2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
}

.form-section h2::before {
    content: '✨';
    font-size: 1.5rem;
}

.form-group {
    margin-bottom: 28px;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 12px;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
}

.form-group label::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.form-group:focus-within label::after {
    width: 100%;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    font-size: 16px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
    position: relative;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(224, 30, 34, 0.1);
    transform: translateY(-2px);
}

.form-group input[type="file"] {
    padding: 16px;
    background: var(--gray-50);
    border: 2px dashed var(--gray-300);
    cursor: pointer;
    transition: var(--transition);
}

.form-group input[type="file"]:hover {
    border-color: var(--primary-color);
    background: rgba(224, 30, 34, 0.05);
}

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

/* Floating label effect */
.form-group.floating {
    position: relative;
}

.form-group.floating input,
.form-group.floating textarea {
    padding-top: 24px;
}

.form-group.floating label {
    position: absolute;
    top: 16px;
    left: 20px;
    background: var(--white);
    padding: 0 8px;
    transition: var(--transition);
    pointer-events: none;
    text-transform: none;
    letter-spacing: normal;
    font-weight: 500;
    color: var(--gray-500);
}

.form-group.floating input:focus + label,
.form-group.floating input:not(:placeholder-shown) + label,
.form-group.floating textarea:focus + label,
.form-group.floating textarea:not(:placeholder-shown) + label {
    top: -8px;
    font-size: 12px;
    color: var(--primary-color);
    font-weight: 600;
}

/* Image Preview */
.image-preview {
    margin-top: 20px;
    text-align: center;
    position: relative;
}

.image-preview img {
    max-width: 280px;
    max-height: 280px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: 3px solid var(--white);
}

.image-preview img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.image-preview::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% + 20px);
    height: calc(100% + 20px);
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    border-radius: var(--border-radius-lg);
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.image-preview:hover::before {
    opacity: 0.1;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    padding: 16px 32px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-md);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--gray-600);
    color: var(--white);
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--gray-700);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-edit {
    background: linear-gradient(135deg, var(--success-color), #2ecc71);
    color: var(--white);
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    margin-right: 8px;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    box-shadow: var(--shadow-sm);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-edit::before {
    content: '✏️';
    font-size: 10px;
}

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

.btn-delete {
    background: linear-gradient(135deg, var(--danger-color), #ff6b6b);
    color: var(--white);
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    box-shadow: var(--shadow-sm);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-delete::before {
    content: '🗑️';
    font-size: 10px;
}

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

/* Posts Section */
.posts-section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.posts-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--success-color), var(--accent-color), var(--warning-color));
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.posts-section h2 {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 32px;
    font-size: 2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
}

.posts-section h2::before {
    content: '📋';
    font-size: 1.5rem;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

.no-posts {
    text-align: center;
    padding: 60px 20px;
    color: #666;
    font-size: 1.1rem;
}

/* Post Cards */
.post-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: 1px solid var(--gray-200);
    position: relative;
}

.post-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(224, 30, 34, 0.05), rgba(52, 152, 219, 0.05));
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
    pointer-events: none;
}

.post-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.post-card:hover::before {
    opacity: 1;
}

.post-image {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(45deg, var(--gray-100), var(--gray-200));
}

.post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
    z-index: 2;
    position: relative;
}

.post-card:hover .post-image img {
    transform: scale(1.08);
}

.post-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.3));
    z-index: 3;
}

.status-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 4;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-md);
}

.status-badge.pending {
    background: linear-gradient(135deg, var(--warning-color), #f1c40f);
    color: var(--white);
    animation: pulse 2s infinite;
}

.status-badge.posted {
    background: linear-gradient(135deg, var(--success-color), #2ecc71);
    color: var(--white);
}

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

.post-content {
    padding: 24px;
    position: relative;
    z-index: 2;
}

.post-content h3 {
    color: var(--gray-800);
    margin-bottom: 12px;
    font-size: 1.3rem;
    line-height: 1.4;
    font-weight: 700;
    background: linear-gradient(135deg, var(--gray-800), var(--gray-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.post-caption {
    color: var(--gray-600);
    margin-bottom: 20px;
    line-height: 1.6;
    font-size: 0.95rem;
}

.post-meta {
    margin-bottom: 20px;
    padding: 12px 16px;
    background: var(--gray-50);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.schedule-time {
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.schedule-time::before {
    content: '📅';
    font-size: 16px;
}

.post-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
}

.countdown {
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 8px;
    padding: 6px 12px;
    background: var(--gray-100);
    border-radius: 20px;
    display: inline-block;
    font-weight: 500;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: var(--white);
    margin: 5% auto;
    padding: 40px;
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 600px;
    position: relative;
    animation: slideIn 0.3s ease;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.modal-content h2 {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 32px;
    font-size: 1.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
}

.modal-content h2::before {
    content: '✏️';
    font-size: 1.3rem;
}

.close {
    position: absolute;
    right: 24px;
    top: 20px;
    color: var(--gray-400);
    font-size: 32px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--gray-100);
}

.close:hover {
    color: var(--primary-color);
    background: rgba(224, 30, 34, 0.1);
    transform: rotate(90deg);
}

.modal-actions {
    display: flex;
    gap: 16px;
    justify-content: flex-end;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-200);
}

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

@keyframes slideIn {
    from { 
        opacity: 0;
        transform: translateY(-50px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .form-section,
    .posts-section {
        padding: 20px;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .modal-content {
        margin: 10% auto;
        padding: 20px;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.8rem;
    }
    
    .form-section,
    .posts-section {
        padding: 15px;
    }
    
    .post-content {
        padding: 15px;
    }
}

/* Success/Error Messages */
.alert {
    padding: 20px 24px;
    margin-bottom: 24px;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-md);
    animation: slideInDown 0.3s ease;
    position: relative;
    overflow: hidden;
}

.alert::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
}

.alert-success {
    background: linear-gradient(135deg, #d4edda, #c3e6cb);
    border: 1px solid var(--success-color);
    color: #155724;
}

.alert-success::before {
    background: var(--success-color);
}

.alert-success::after {
    content: '✅';
    font-size: 18px;
}

.alert-error {
    background: linear-gradient(135deg, #f8d7da, #f5c6cb);
    border: 1px solid var(--danger-color);
    color: #721c24;
}

.alert-error::before {
    background: var(--danger-color);
}

.alert-error::after {
    content: '❌';
    font-size: 18px;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading States */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--gray-300);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Tooltip */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 200px;
    background-color: var(--gray-800);
    color: var(--white);
    text-align: center;
    border-radius: var(--border-radius);
    padding: 8px 12px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: var(--transition);
    font-size: 12px;
    font-weight: 500;
}

.tooltip .tooltiptext::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--gray-800) transparent transparent transparent;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--gray-200);
    border-radius: 3px;
    overflow: hidden;
    margin: 16px 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    border-radius: 3px;
    transition: width 0.3s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

/* Search and Filter */
.search-filter-bar {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
    align-items: center;
}

.search-input {
    flex: 1;
    min-width: 250px;
    padding: 12px 16px 12px 44px;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    font-size: 14px;
    background: var(--white);
    position: relative;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(224, 30, 34, 0.1);
}

.search-wrapper {
    position: relative;
    flex: 1;
    min-width: 250px;
}

.search-wrapper::before {
    content: '🔍';
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    z-index: 1;
}

.filter-select {
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    font-size: 14px;
    background: var(--white);
    cursor: pointer;
    min-width: 150px;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(224, 30, 34, 0.1);
}/* Image
 Viewer Modal */
.image-viewer-modal {
    z-index: 2000;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    transition: opacity 0.3s ease;
}

.image-viewer-content {
    background: var(--white);
    margin: 2% auto;
    padding: 0;
    border-radius: var(--border-radius-lg);
    width: 95%;
    max-width: 1000px;
    max-height: 95vh;
    position: relative;
    animation: slideIn 0.3s ease;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.image-viewer-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.image-viewer-header h3 {
    margin: 0;
    color: var(--gray-800);
    font-size: 1.5rem;
    font-weight: 600;
}

.image-viewer-body {
    padding: 0;
    text-align: center;
    position: relative;
    background: var(--gray-100);
}

.image-viewer-body img {
    max-width: 100%;
    max-height: 70vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 0;
    box-shadow: none;
    display: block;
    margin: 0 auto;
}

.image-viewer-controls {
    padding: 20px 24px;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    display: flex;
    gap: 12px;
    justify-content: center;
}

.image-viewer-close {
    position: absolute;
    right: 20px;
    top: 15px;
    color: var(--gray-500);
    font-size: 32px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    z-index: 10;
}

.image-viewer-close:hover {
    color: var(--primary-color);
    background: var(--white);
    transform: rotate(90deg);
}

/* Image Overlay for Post Cards */
.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    backdrop-filter: blur(2px);
}

.post-image:hover .image-overlay {
    opacity: 1;
}

.view-icon {
    font-size: 2rem;
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Responsive Image Viewer */
@media (max-width: 768px) {
    .image-viewer-content {
        width: 98%;
        margin: 1% auto;
        max-height: 98vh;
    }
    
    .image-viewer-body img {
        max-height: 60vh;
    }
    
    .image-viewer-header {
        padding: 16px 20px;
    }
    
    .image-viewer-header h3 {
        font-size: 1.2rem;
    }
    
    .image-viewer-controls {
        padding: 16px 20px;
        flex-direction: column;
        gap: 8px;
    }
    
    .image-viewer-controls button {
        width: 100%;
    }
}

/* Loading state for images */
.post-image img {
    transition: var(--transition);
}

.post-image img:hover {
    transform: scale(1.05);
    filter: brightness(1.1);
}

/* Image viewer loading animation */
.image-viewer-body img {
    opacity: 0;
    animation: fadeInImage 0.5s ease forwards;
}

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