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

h1, h2 {
    font-weight: bold;
}

.card {
    border-radius: 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: scale(1.08);
    box-shadow: 0 8px 16px rgba(0,0,0,0.3);
}

.navbar-brand {
    font-size: 1.5rem;
}

.btn-primary, .btn-success, .btn-warning, .btn-info {
    border-radius: 10px;
}


body.dark-mode {
    background-color: #121212;
    color: #f8f9fa;
}

body.dark-mode .navbar {
    background-color: #000 !important;
}

body.dark-mode .card {
    background-color: #1e1e1e;
    color: #fff;
}

body.dark-mode a {
    color: #f8f9fa;
}