body {
    background-color: #282727;
    color: #ffffff;
}

.card {
    background-color: #2a2a3c;
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.card-header {
    font-weight: bold;
}

.form-control {
    background-color: #33334d;
    border: none;
    color: #ffffff;
}

.form-control:focus {
    background-color: #44445e;
    color: #ffffff;
}

.floating-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #198754;
    color: white;
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    font-size: 24px;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
}

.floating-button:hover {
    background-color: #157347;
}