body {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}

.card {
    border: none;
    border-radius: 15px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-2px);
}

.navbar {
    box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}

.btn {
    border-radius: 10px;
    transition: all 0.3s;
}

.btn:hover {
    transform: translateY(-2px);
}

.form-control {
    border-radius: 10px;
    padding: 12px;
}

.form-control:focus {
    box-shadow: 0 0 0 0.2rem rgba(102,126,234,0.25);
}

a {
    transition: color 0.3s;
}

footer {
    margin-top: 50px;
}

.table th {
    background: #f8f9fa;
}