body {
    background: linear-gradient(to right, #f9f9f9, #e0e0e0);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
h2, h3 {
    color: #222;
    font-weight: 700;
    margin-bottom: 20px;
}
.container {
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    padding: 30px;
    margin-top: 50px;
}
form .form-control {
    border-radius: 10px;
    padding: 10px;
    border: 1px solid #ccc;
}
form button {
    border-radius: 10px;
    font-weight: bold;
    background: #0d6efd;
    transition: background 0.3s;
}
form button:hover {
    background: #084298;
}
.alert-danger {
    border-radius: 10px;
}
.table {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
}
.table th {
    background-color: #343a40 !important;
    color: #fff;
}