/* Adicionando estilo personalizado para a barra de navegação */
.bg-primary {
    background-color: #191970 !important; /* Azul Oxford */
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

.navbar-brand img {
    max-height: 40px;
}

.main-content {
    padding-top: 80px;
    min-height: calc(100vh - 150px);
}

.card {
    border-radius: 0.5rem;
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transition: all 0.3s ease;
}

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

.btn-primary {
    background-color: #0056b3;
    border-color: #0056b3;
}

.btn-primary:hover {
    background-color: #004494;
    border-color: #004494;
}

.btn-success {
    background-color: #28a745;
    border-color: #28a745;
}

.btn-success:hover {
    background-color: #218838;
    border-color: #1e7e34;
}

.navbar {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.8);
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
    color: #ffffff;
}

footer {
    background-color: #f8f9fa;
    border-top: 1px solid #e9ecef;
}

.upload-area {
    border: 2px dashed #ccc;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    background-color: #f8f9fa;
    transition: all 0.3s;
}

.upload-area:hover {
    border-color: #0056b3;
    background-color: #f0f7ff;
}

.card-dashboard {
    height: 100%;
    transition: transform 0.3s;
}

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

@media (max-width: 768px) {
    .navbar-brand img {
        max-height: 30px;
    }
    
    .main-content {
        padding-top: 70px;
    }
    
    h1.display-5 {
        font-size: 1.8rem;
    }
    
    .lead {
        font-size: 1rem;
    }
}