body {
    font-family: 'Tahoma', 'Arial', sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}

.navbar {
    background: linear-gradient(90deg, #4e73df, #1e3a8a);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

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

.btn-primary {
    background: #4e73df;
    border: none;
}

.table {
    border-radius: 8px;
    overflow: hidden;
}

.form-control {
    border-radius: 8px;
}

.alert {
    border-radius: 8px;
}