/* Global Styles for Content Hub */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --text-dark: #2d3748;
    --text-muted: #718096;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 15px rgba(0, 0, 0, 0.2);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
}

/* Custom Button Styles */
.btn-primary {
    background: var(--primary-gradient);
    border: none;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
    transform: translateY(-1px);
    box-shadow: var(--shadow-hover);
}

/* Card Styles */
.card {
    border: none;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-hover);
}

/* Post Card Styles */
.post-card {
    height: 100%;
}

.post-card:hover {
    transform: translateY(-5px);
}

/* Category Badge */
.category-badge {
    background: var(--primary-gradient);
    color: white;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    text-decoration: none;
    display: inline-block;
}

/* Featured Card Styles */
.featured-card {
    height: 300px;
    background-size: cover;
    background-position: center;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.featured-card:hover {
    transform: scale(1.02);
}

.featured-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
    padding: 20px;
}

/* Profile Picture Styles */
.profile-picture {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border: 4px solid white;
    box-shadow: var(--shadow);
}

/* Message Styles */
.message-item {
    transition: background-color 0.3s;
    cursor: pointer;
}

.message-item:hover {
    background-color: #f8f9fa;
}

.message-item.unread {
    font-weight: bold;
    background-color: #e3f2fd;
}

/* Admin Styles */
.stats-card {
    background: var(--primary-gradient);
    color: white;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.stats-card:hover {
    transform: translateY(-3px);
}

/* Form Styles */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

/* Navbar Styles */
.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), var(--primary-gradient);
    color: white;
    padding: 100px 0;
    text-align: center;
}

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

.border-gradient {
    border: 2px solid;
    border-image: var(--primary-gradient) 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 60px 0;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .featured-card {
        height: 250px;
    }
    
    .profile-picture {
        width: 80px;
        height: 80px;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

.slide-in {
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from { transform: translateX(-20px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}