/* simple styles, might use grid later */
body {
  font-family: sans-serif;
  background: #f5f5f5;
  margin: 0;
  padding: 20px;
}
.container {
  max-width: 600px;
  margin: auto;
  background: #fff;
  padding: 15px;
  box-shadow: 0 0 5px rgba(0,0,0,0.1);
}
textarea {
  width: 100%;
  height: 80px;
  margin-bottom: 10px;
}
button {
  padding: 8px 12px;
  margin-right: 5px;
  cursor: pointer;
}
#out table {
  border-collapse: collapse;
  margin-top: 10px;
}
#out td {
  border: 1px solid #ccc;
  padding: 6px 10px;
  text-align: center;
}
#darkToggle {
  font-size: 12px;
  color: #999;
  cursor: pointer;
  margin-bottom: 10px;
}