body {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
.card {
    border-radius: 1rem;
    box-shadow: 0 20px 35px -8px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}
.card:hover {
    transform: translateY(-5px);
}
.navbar-brand img {
    transition: transform 0.3s;
}
.navbar-brand img:hover {
    transform: scale(1.05);
}
.btn-primary, .btn-success, .btn-danger {
    border-radius: 2rem;
    padding: 0.5rem 1.5rem;
}
.table {
    background: white;
    border-radius: 1rem;
    overflow: hidden;
}
th {
    background-color: #2c3e50 !important;
    color: white !important;
}