body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  background-color: #f5f5f5;
  text-align: center;
}
.container {
  background: white;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
h1 {
  color: #333;
  margin-bottom: 10px;
}
#category {
  font-size: 1.2em;
  font-weight: bold;
  color: #0066cc;
  margin: 10px 0;
}
#words {
  margin: 15px 0;
  font-size: 1.1em;
}
.word {
  display: inline-block;
  background: #e9ecef;
  padding: 5px 10px;
  margin: 0 5px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
}
.word:hover {
  background: #d4d4d4;
  transform: scale(1.05);
}
#drawing-board {
  border: 1px solid #ddd;
  background: white;
  cursor: crosshair;
  margin: 15px 0;
}
.controls {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 15px 0;
}
button {
  padding: 8px 15px;
  background: #0066cc;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1em;
}
button:hover {
  background: #0055aa;
}
#clear {
  background: #6c757d;
}
#clear:hover {
  background: #5a6268;
}
#result {
  margin-top: 20px;
  padding: 15px;
  border-radius: 5px;
  min-height: 60px;
}
.loading {
  text-align: center;
  padding: 20px;
}
.spinner {
  border: 4px solid rgba(0, 0, 0, 0.1);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border-left-color: #0066cc;
  animation: spin 1s linear infinite;
  margin: 0 auto 10px;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}