* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: Arial, sans-serif; background: #f5f5f5; }
header { background: #1a73e8; color: white; padding: 20px; text-align: center; }
main { max-width: 800px; margin: 20px auto; padding: 20px; }
.search-box { background: white; padding: 20px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); }
textarea { width: 100%; height: 150px; padding: 10px; margin: 10px 0; border: 1px solid #ddd; border-radius: 4px; }
button { background: #1a73e8; color: white; padding: 10px 30px; border: none; border-radius: 4px; cursor: pointer; }
button:hover { background: #1557b0; }
#result { margin-top: 20px; padding: 15px; background: #f9f9f9; border-radius: 4px; display: none; }
footer { text-align: center; padding: 20px; color: #666; }