body {
    background: linear-gradient(135deg, #f5f7fa 0%, #add7ff 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    color: #333;
}

.container {
    width: 100%;
    max-width: 900px;
    background-color: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.header {
    background: linear-gradient(to right, #757300 0%, #ce7602 100%);
    color: white;
    padding: 25px;
    text-align: center;
    position: relative;
}


.progress-percentage {
    display: inline-block;
    padding: 10px 20px;
    background: linear-gradient(to right, #2ecc71, #1abc9c);
    color: white;
    border-radius: 20px;
    font-size: 1.8rem;
    font-weight: 700;
    min-width: 100px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(252, 11, 3, 0.3);
}

th {
    background-color: #f1f8ff;
    color: #3498db;
    font-weight: 600;
    padding: 12px 10px;
    text-align: left;
    border-bottom: 2px solid #ddd;
}


.course-badge.calligraphy {
    background-color: #ebf5fb;
    color: #f54500;
}