/* Spazio per evitare sovrapposizione navbar */
body {
    padding-top: 65px;
}
/* Reset e stili base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    background-image: url('contenuti/2.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 15px 0;
}

.logo {
    text-align: right;
}

.logo h1 {
    color: #2c3e50;
    font-size: 28px;
    font-weight: bold;
    margin: 0;
}

/* Navbar */
.navbar {
    background-color: #34495e;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.nav-menu {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    color: #fff;
    text-decoration: none;
    padding: 15px 20px;
    transition: background-color 0.3s ease;
    white-space: nowrap;
}

.nav-link:hover {
    background-color: #2c3e50;
}

/* Dropdown Ultra Moderno */
.dropdown-toggle::after {
    content: ' ▼';
    font-size: 12px;
    margin-left: 5px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dropdown:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: linear-gradient(145deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.98) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    min-width: 200px;
    box-shadow:
        0 20px 40px rgba(0,0,0,0.1),
        0 8px 32px rgba(0,0,0,0.08),
        inset 0 1px 0 rgba(255,255,255,0.8);
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px) scale(0.95);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    list-style: none;
    padding: 20px 0;
    overflow: hidden;
}

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 20px;
    width: 20px;
    height: 20px;
    background: linear-gradient(145deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.98) 100%);
    transform: rotate(45deg);
    box-shadow: -5px -5px 10px rgba(0,0,0,0.1);
    border-radius: 4px 0 0 0;
    z-index: -1;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.dropdown-menu li {
    margin: 0;
    position: relative;
}

.dropdown-menu a {
    display: block;
    color: #2c3e50;
    text-decoration: none;
    padding: 12px 24px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
    font-size: 14px;
    position: relative;
    overflow: hidden;
}

.dropdown-menu a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(52, 152, 219, 0.1), transparent);
    transition: left 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.dropdown-menu a:hover::before {
    left: 100%;
}

.dropdown-menu a:hover {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.08) 0%, rgba(155, 89, 182, 0.08) 100%);
    color: #3498db;
    transform: translateX(8px);
    box-shadow: 0 4px 20px rgba(52, 152, 219, 0.15);
}

/* Stili specifici per logout */
.logout-link {
    color: #e74c3c !important;
    font-weight: bold;
}

.logout-link:hover {
    background-color: #e74c3c !important;
    color: #fff !important;
}

/* Divider nel menu dropdown */
.dropdown-menu .divider {
    height: 1px;
    margin: 8px 0;
    overflow: hidden;
    background-color: #e9ecef;
}

/* Stili per utente autenticato nel nav */
.nav-link.user-authenticated {
    color: #3498db !important;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-link.user-authenticated:hover {
    color: #2980b9 !important;
}

/* Icone nel menu dropdown */
.dropdown-menu a i {
    margin-right: 8px;
    width: 16px;
    text-align: center;
}

/* Animazione per il divider */
.dropdown-menu .divider {
    background: linear-gradient(90deg, transparent, #e9ecef, transparent);
}

/* Logout nel menu principale */
.logout-nav-link {
    background-color: #e74c3c !important;
    color: #fff !important;
    border-radius: 4px;
    margin-left: 10px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.logout-nav-link:hover {
    background-color: #c0392b !important;
    color: #fff !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(231, 76, 60, 0.3);
}

.logout-nav-link i {
    margin-right: 5px;
}

/* Responsive miglioramenti */
@media (max-width: 768px) {
    .nav-link.user-authenticated {
        font-size: 14px;
    }
    
    .logout-nav-link {
        margin-left: 0;
        margin-top: 5px;
        text-align: center;
    }
    
    .dropdown-menu a {
        padding: 12px 15px;
        font-size: 14px;
    }
}

/* Contenuto principale */
.main-content {
    padding: 40px 0;
}

.hero {
    text-align: center;
    margin-bottom: 50px;
    background-color: #fff;
    padding: 60px 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.hero h2 {
    font-size: 36px;
    color: #2c3e50;
    margin-bottom: 20px;
}

.hero p {
    font-size: 18px;
    color: #7f8c8d;
    max-width: 600px;
    margin: 0 auto;
}

/* Feature cards */
.features {
    margin-top: 50px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.2);
}

.feature-card h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 24px;
}

.feature-card p {
    color: #7f8c8d;
    line-height: 1.6;
}

/* Footer */
.footer {
    background-color: #2c3e50;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    margin-top: 50px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background-color: #2c3e50;
        margin-left: 20px;
        display: none;
    }
    
    .dropdown:hover .dropdown-menu {
        display: block;
    }
    
    .dropdown-menu a {
        color: #bdc3c7;
        padding: 8px 20px;
    }
    
    .dropdown-menu a:hover {
        background-color: #34495e;
        color: #fff;
    }
    
    .logo {
        text-align: center;
    }
    
    .hero h2 {
        font-size: 28px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-link {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .hero {
        padding: 40px 20px;
    }
    
    .hero h2 {
        font-size: 24px;
    }
    
    .feature-card {
        padding: 20px;
    }
}