html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  font-family: monospace;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  background: #000000;
  background-image: 
    linear-gradient(rgba(0, 20, 0, 0.8), rgba(0, 0, 0, 0.8)),
    repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 255, 0, 0.05) 2px, rgba(0, 255, 0, 0.05) 4px);
}

select {
  width: 280px;
  max-width: 100%;
  padding: 0.4rem;
  margin: 0.2rem 0;
  font-family: monospace;
  border: 1px solid #00cc00;
  border-radius: 4px;
  box-sizing: border-box;
  background-color: rgba(0, 20, 0, 0.7);
  color: #00ff00;
  box-shadow: inset 0 0 5px rgba(0, 255, 0, 0.2);
  appearance: none; 
  -webkit-appearance: none;
}

select::-ms-expand {
  display: none;
}

option {
  background-color: rgba(0, 20, 0, 0.9);
  color: #00ff00;
  font-family: monospace;
}



#appContainer {
  background-color: rgba(0, 20, 0, 0.85);
  border: 1px solid #00ff00;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(0, 255, 0, 0.4), inset 0 0 10px rgba(0, 255, 0, 0.1);
  padding: 2rem;
  max-width: 800px;
  width: 90%;
  box-sizing: border-box;
  text-align: center;
}

h1 {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1.8rem;
  color: #00ff00;
  text-shadow: 0 0 5px rgba(0, 255, 0, 0.7);
  letter-spacing: 2px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  margin-bottom: 1rem;
}

label {
  font-weight: bold;
  margin-right: 0.5rem;
  min-width: 150px;
  text-align: right;
  color: #00cc00;
}

input[type="text"],
input[type="number"] {
  width: 280px;
  max-width: 100%;
  padding: 0.4rem;
  margin: 0.2rem 0;
  font-family: monospace;
  border: 1px solid #00cc00;
  border-radius: 4px;
  box-sizing: border-box;
  background-color: rgba(0, 20, 0, 0.7);
  color: #00ff00;
  box-shadow: inset 0 0 5px rgba(0, 255, 0, 0.2);
}

button {
  padding: 0.6rem 1.2rem;
  font-size: 1rem;
  font-family: monospace;
  cursor: pointer;
  background-color: rgba(0, 90, 0, 0.8);
  color: #00ff00;
  border: 1px solid #00ff00;
  border-radius: 4px;
  transition: all 0.3s ease;
  text-shadow: 0 0 5px rgba(0, 255, 0, 0.7);
  box-shadow: 0 0 10px rgba(0, 255, 0, 0.3);
}

button:hover {
  background-color: rgba(0, 100, 0, 0.9);
  box-shadow: 0 0 15px rgba(0, 255, 0, 0.5);
}

#stopBtn:disabled,
#startBtn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

#stopBtn {
  background-color: rgba(0, 90, 0, 0.8);
  border-color: #00ff00;
  color: #00ff00;
  text-shadow: 0 0 5px rgba(0, 255, 0, 0.7);
  box-shadow: 0 0 10px rgba(0, 255, 0, 0.3);
}

#stopBtn:hover {
  background-color: rgba(0, 100, 0, 0.9);
  box-shadow: 0 0 15px rgba(0, 255, 0, 0.5);
}

#logArea {
  width: 100%;
  height: 300px;
  margin: 1rem auto 0 auto;
  font-family: monospace;
  border: 1px solid #00cc00;
  border-radius: 4px;
  box-sizing: border-box;
  display: block;
  white-space: pre;
  overflow-x: auto;
  background-color: rgba(0, 10, 0, 0.8);
  color: #00ff00;
  padding: 10px;
  box-shadow: inset 0 0 10px rgba(0, 255, 0, 0.2);
  resize: none;
  
  /* Firefox scrollbar */
  scrollbar-width: thin;
  scrollbar-color: #00cc00 rgba(0, 20, 0, 0.5);
}

/* WebKit/Blink Browsers (Chrome, Safari, Edge) scrollbar styling */
#logArea::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

#logArea::-webkit-scrollbar-track {
  background: rgba(0, 20, 0, 0.5);
  border-radius: 4px;
}

#logArea::-webkit-scrollbar-thumb {
  background: #00cc00;
  border-radius: 4px;
  border: 1px solid #00ff00;
  box-shadow: 0 0 5px rgba(0, 255, 0, 0.3);
}

#logArea::-webkit-scrollbar-thumb:hover {
  background: #00ff00;
}