body {
            background-color: #222;
            color: white;
        }
        .container {
            max-width: 900px;
            margin: 0 auto;
            padding: 20px;
            border: 1px solid #444;
            margin-top: 20px;
        }
        .btn-success {
            background-color: #5cb85c;
            border-color: #5cb85c;
        }
        .btn-danger {
            background-color: #d9534f;
            border-color: #d9534f;
        }
        .nav-pills .nav-link {
            background-color: #e9e9e9;
            color: #333;
            margin: 0 5px;
            border-radius: 20px;
        }
        .nav-pills .nav-link.active {
            background-color: #5cb85c;
            color: white;
        }
        .main-form {
            border: 1px solid #4b8a30;
            border-radius: 5px;
            padding: 20px;
            margin: 20px 0;
        }
        h1, h2 {
            text-align: center;
            color: #fff;
            margin: 20px 0;
        }
        .form-section {
            border: 1px solid #333;
            border-radius: 5px;
            padding: 15px;
            margin: 20px 0;
        }
        footer {
            text-align: center;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid #444;
        }
        .text-green {
            color: #5cb85c;
            font-weight: bold;
        }
        .text-red {
            color: #d9534f;
            font-weight: bold;
        }
        hr {
            border-color: #444;
            margin: 30px 0;
        }
        #userDataDisplay, #journalSection, #completedTopicsSection {
            display: none;
        }
        .topic-section {
            margin-top: 30px;
        }
        .topic-section h3 {
            color: #e6e6e6;
            font-size: 1.4rem;
            margin-bottom: 15px;
        }
        .topic-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px 0;
            border-bottom: 1px solid #444;
        }
        .topic-item:last-child {
            border-bottom: none;
        }
        .topic-name {
            flex-grow: 1;
        }
        .hours-count {
            margin-left: 15px;
        }
        .green-box {
            border: 1px solid #5cb85c;
            padding: 15px;
            text-align: center;
            margin: 30px auto;
            max-width: 400px;
        }
        .slider-container {
            display: flex;
            align-items: center;
        }
        .slider-label {
            margin: 0 10px;
        }
        .radio-group {
            display: flex;
            justify-content: space-around;
            margin: 15px 0;
        }
        /* Add this to your style.css file */
.main-form {
    background-color: #212121;
    color: white;
    border: 1px solid #4CAF50;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 5px;
}

.text-green {
    color: #4CAF50;
}

.text-red {
    color: #f44336;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    color: white;
}

th, td {
    border: 1px solid #4CAF50;
    padding: 8px;
    text-align: left;
}

.topic-item {
    display: flex;
    justify-content: space-between;
    padding: 10px;
    border-bottom: 1px solid #333;
}

.completed-topic {
    background-color: #1e2a1e;
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 5px;
}

.green-box {
    border: 1px solid #4CAF50;
    padding: 15px;
    margin-top: 20px;
    background-color: #1e2a1e;
}

footer {
    text-align: center;
    padding: 10px;
    margin-top: 20px;
    border-top: 1px solid #4CAF50;
    color: white;
}