body {
    background: linear-gradient(135deg, #2b5876 0%, #4e4376 100%);
    color: #ffffff;
}

.card {
    background-color: #333;
    border: none;
}

.card-title {
    font-size: 24px;
    margin-bottom: 20px;
    color: #ffffff;
}

.form-control {
    background-color: #444;
    border: 1px solid #555;
    color: #ffffff;
}

.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #004085;
}

.text-danger {
    color: #ff6b6b !important;
}