body {
    font-family: sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 20px;
}

#schedule-container {
    margin-bottom: 20px;
}

#schedule-table {
    border-collapse: collapse;
    user-select: none;
}

th, td {
    border: 1px solid #ccc;
    padding: 5px;
    text-align: center;
    min-width: 80px;
}

th {
    background-color: #f2f2f2;
}

.time-slot {
    cursor: pointer;
    background-color: #fff;
}

.time-label {
    font-weight: bold;
    font-size: 0.9em;
    padding-right: 10px;
}

.time-slot.selected {
    background-color: #4CAF50;
    color: white;
}

#generate-string {
    padding: 10px 20px;
    font-size: 1em;
    cursor: pointer;
    margin-bottom: 20px;
}

#output-container {
    width: 80%;
    max-width: 800px;
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    padding: 15px;
    border-radius: 5px;
}

#output {
    font-family: monospace;
    white-space: pre-wrap;
    word-wrap: break-word;
}