<style>
body {
    font-family: Arial, sans-serif;
    background-color: #f0f2f5;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    padding-top: 40px;
}

#weekForm {
    background: #fff;
    padding: 25px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    max-width: 500px;
    width: 100%;
}

.week-section {
    position: relative; /* must be set for absolute button */
    padding: 25px 15px 15px 15px; /* extra top padding */
    border: 2px solid #ccc;
    border-radius: 10px;
    margin-bottom: 15px;
    background: #f9f9f9;
}

.remove-week {
    position: absolute;
    top: 8px;
    right: 8px;
    background: #e53935;
    color: white;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    line-height: 32px;
    font-weight: bold;
    font-size: 18px;
    text-align: center;
    cursor: pointer;
    z-index: 1000;
    padding: 0;
}

.week-label { 
    font-weight: bold; 
    font-size: 1.1em; 
    margin-bottom: 10px;
}

.week-box {
    display: none;
    border: 2px solid #4CAF50;
    background-color: #e9f9ec;
    padding: 10px;
    margin-top: 8px;
    border-radius: 8px;
    font-weight: bold;
    color: #2e7d32;
}

#addWeek {
    background-color: #1e88e5;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 8px 16px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 10px;
}

input[type="submit"] {
    margin-top: 20px;
    padding: 10px 18px;
    border-radius: 8px;
    border: none;
    background-color: #4CAF50;
    color: white;
    font-weight: bold;
    cursor: pointer;
}
</style>