body {
    font-family: Arial, sans-serif;
    background: linear-gradient(to right, #4e73df, #1cc88a);
    margin: 0;
}

.container {
    width: 450px;
    margin: 60px auto;
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

h2, h3 {
    text-align: center;
}

input, select {
    width: 100%;
    padding: 10px;
    margin: 8px 0;
    border-radius: 5px;
    border: 1px solid #ccc;
}

button {
    padding: 10px 15px;
    background: #4e73df;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background: #2e59d9;
}

.course-card {
    border: 1px solid #ddd;
    padding: 15px;
    margin-top: 10px;
    border-radius: 8px;
    background: #f8f9fc;
}

.progress-bar {
    background: #ddd;
    border-radius: 5px;
    overflow: hidden;
    height: 15px;
    margin-top: 5px;
}

.progress-fill {
    background: #1cc88a;
    height: 100%;
    text-align: center;
    color: white;
    font-size: 12px;
}