body {
    background-color: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    position: relative;
    overflow: hidden;
}
#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
}
.container {
    max-width: 400px;
    z-index: 1;
}
.title {
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    color: #007bff;
    font-weight: bold;
}
.card {
    border-radius: 1rem;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}
.card-header {
    background-color: #007bff;
    color: white;
    border-top-left-radius: 1rem;
    border-top-right-radius: 1rem;
    text-align: center;
    font-size: 1.25rem;
    font-weight: bold;
}
.btn-primary {
    background-color: #007bff;
    border: none;
    transition: background-color 0.3s;
}
.btn-primary:hover {
    background-color: #0056b3;
}
.form-label {
    font-weight: bold;
}