body {
    background-color: #eef2f5;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #4a5568;
}

.navbar {
    background-color: #2c3e50 !important; 
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: bold;
    color: #ecf0f1 !important;
}

.nav-link {
    color: #bdc3c7 !important;
    transition: color 0.3s;
}

.nav-link:hover {
    color: #ffffff !important;
}

h2, h3, h4, h5 {
    color: #34495e;
    font-weight: 600;
}

.card {
    border: none;
    border-radius: 10px;
    background-color: #ffffff;
    box-shadow: 0 4px 6px rgba(44, 62, 80, 0.05);
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(44, 62, 80, 0.1);
}

.card-header {
    background-color: #dae1e7;
    border-bottom: 1px solid #ced6e0;
    color: #2c3e50;
    font-weight: bold;
}

.btn-primary {
    background-color: #5d7ca6;
    border-color: #5d7ca6;
}

.btn-primary:hover {
    background-color: #4a6fa5;
    border-color: #4a6fa5;
}

.btn-success {
    background-color: #5795a6;
    border-color: #5795a6;
}

.btn-success:hover {
    background-color: #467c8a;
    border-color: #467c8a;
}

.table thead {
    background-color: #dfe6e9;
    color: #2d3436;
}

a {
    color: #5d7ca6;
    text-decoration: none;
}

a:hover {
    color: #34495e;
    text-decoration: underline;
}

.badge.bg-secondary {
    background-color: #7f8fa6 !important;
}

.footer {
    background-color: #2c3e50;
    color: #bdc3c7;
    margin-top: 50px; 
    box-shadow: 0 -4px 10px rgba(0,0,0,0.1); 
}

.footer h5 {
    color: #ecf0f1; 
    font-weight: 600;
    margin-bottom: 15px;
}

.footer a:hover {
    color: #ffffff !important; 
    text-decoration: underline !important;
}

.footer hr {
    opacity: 0.2;
}