/**
 * CSS Custom per Serradica
 * Basato su Bootstrap 5
 */

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --dark-color: #212529;
    --light-color: #f8f9fa;
}

/* Generali */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: #333;
}

/* Navbar */
.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

/* Hero section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

/* Card hover effect */
.card {
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

/* Buttons */
.btn {
    border-radius: 0.5rem;
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

/* Footer */
footer a {
    text-decoration: none;
    transition: opacity 0.2s ease;
}

footer a:hover {
    opacity: 0.8;
}

/* Badge */
.badge {
    padding: 0.35em 0.65em;
    font-weight: 500;
}

/* Breadcrumb */
.breadcrumb {
    background: transparent;
    padding: 0;
}

/* Alert */
.alert {
    border-radius: 0.5rem;
    border: none;
}

/* Responsive */
@media (max-width: 768px) {
    .display-1 {
        font-size: 3rem;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .hero {
        padding: 2rem 0 !important;
    }
}

/* Utility classes */
.shadow-sm {
    box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,0.075);
}

.shadow {
    box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.15);
}

/* Admin styles */
.navbar-dark {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%) !important;
}

.table th {
    font-weight: 600;
    background: var(--light-color);
}

/* Content area */
.content img {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
    margin: 1rem 0;
}

.content h2,
.content h3,
.content h4 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.content p {
    line-height: 1.7;
    margin-bottom: 1rem;
}

/* Placeholder images */
.bg-secondary {
    background-color: #6c757d !important;
}