body { font-family: Arial; margin: 0; padding: 20px; background: #f5f5f5; }
header { background: white; padding: 20px; border-radius: 5px; margin-bottom: 20px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
header h1 { margin: 0; color: #333; }
header p { margin: 5px 0 0; color: #666; font-size: 14px; }
main { max-width: 800px; margin: 0 auto; background: white; padding: 30px; border-radius: 5px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
h2 { margin-top: 0; }
select, input, button { padding: 10px; margin: 10px 0; border: 1px solid #ddd; border-radius: 4px; font-size: 14px; }
.btn { background: #4CAF50; color: white; cursor: pointer; border: none; }
.btn:hover { background: #45a049; }
#shortcuts { margin: 20px 0; }