* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  margin: 0;
  padding: 20px;
  background: #f5f5f5;
}

main {
  max-width: 900px;
  margin: 0 auto;
}

h1 {
  margin: 0 0 20px;
  color: #333;
}

#text-input {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  font-family: inherit;
  border: 2px solid #ccc;
  border-radius: 4px;
  resize: vertical;
}

#text-input:focus {
  outline: none;
  border-color: #666;
}

.controls {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.controls label {
  font-weight: 500;
  color: #333;
}

#font-select {
  padding: 4px 8px;
  font-size: 14px;
  border: 2px solid #ccc;
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
}

#font-select:hover {
  border-color: #666;
}

#scale-slider {
  width: 150px;
  cursor: pointer;
}

#scale-value {
  min-width: 28px;
  text-align: center;
  font-weight: 500;
}

#grid-container {
  margin-top: 12px;
  background: #fff;
  border: 2px solid #ccc;
  border-radius: 4px;
  padding: 20px;
  overflow: auto;
}

#grid {
  display: block;
}