.app-container{font-family:Arial,sans-serif;padding:20px;background-color:#f9f9f9}h1{text-align:center;margin-bottom:20px}.controls{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:10px}.button-wrapper{display:flex;flex-direction:column;justify-content:center;margin:10px;align-items:center;gap:10px}.text-input{padding:10px;margin-right:10px;font-size:16px}.editable-table{width:100%;border-collapse:collapse;margin:auto;direction:rtl}.editable-table th,.editable-table td{border:1px solid #ddd;padding:8px;text-align:center}.editable-table th{background-color:#f2f2f2;font-weight:700;color:#333}.header-cell{background-color:silver;font-weight:700}.last-column{background-color:#e0e0e0;font-weight:700}.editable-cell{padding:5px;font-size:14px}