body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #e4e8eb;
    background: linear-gradient(135deg, #1a1c20 0%, #2c3e50 100%);
    min-height: 100vh;
}

.navbar {
    background: linear-gradient(90deg, #1a1c20 0%, #2c3e50 100%) !important;
    box-shadow: 0 2px 15px rgba(0,0,0,0.3);
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
    color: #fff !important;
}

.nav-link {
    color: rgba(255,255,255,0.8) !important;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: #3498db !important;
    transform: translateY(-2px);
}

.card {
    border: none;
    transition: all 0.3s ease;
    background: rgba(44, 62, 80, 0.7);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    color: #e4e8eb;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
    background: rgba(44, 62, 80, 0.8);
}

.btn-primary {
    background: linear-gradient(90deg, #3498db 0%, #2980b9 100%);
    border: none;
    padding: 0.8rem 2rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
    background: linear-gradient(90deg, #2980b9 0%, #3498db 100%);
}

.btn-outline-primary {
    color: #3498db;
    border-color: #3498db;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: linear-gradient(90deg, #3498db 0%, #2980b9 100%);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
}

footer {
    background: linear-gradient(90deg, #1a1c20 0%, #2c3e50 100%);
    color: #e4e8eb;
    border-top: none;
    box-shadow: 0 -2px 15px rgba(0,0,0,0.1);
}

/* Styles pour les articles */
.article-card {
    margin-bottom: 2rem;
}

.article-card .card-title {
    color: #3498db;
    font-weight: 600;
}

.article-card .card-text {
    color: #bdc3c7;
}

/* Styles pour la page de conclusion */
.conclusion-section {
    background: rgba(44, 62, 80, 0.7);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    color: #e4e8eb;
}

.conclusion-section h2 {
    color: #3498db;
    font-weight: 600;
}

.conclusion-section ul li {
    margin-bottom: 1rem;
    color: #bdc3c7;
}

.conclusion-section strong {
    color: #3498db;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
}

/* Animation pour les éléments */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card, .conclusion-section {
    animation: fadeIn 0.6s ease-out;
}

/* Styles pour les titres */
h1, h2, h3, h4, h5, h6 {
    color: #3498db;
}

/* Style pour les listes */
ul li {
    color: #bdc3c7;
}

/* Style pour les liens */
a {
    color: #3498db;
    transition: all 0.3s ease;
}

a:hover {
    color: #2980b9;
    text-decoration: none;
}