body {
  margin: 0;
  padding: 20px;

  font-family: 'Courier New', monospace;
  font-size: 18px;
  background-color: #112942;
  color: hsl(220.8, 53.2%, 90.8%);





}

h1, h2, label {
  color: #f4d03f;
}

button {
  background-color: #f1c40f;
  border: none;
  padding: 10px 20px;
  color: black;
  font-weight: bold;
  margin: 10px 0;
  cursor: pointer;
  border-radius: 4px;
}

button:hover {
  background-color: #f7dc6f;
}

input, select {
  margin: 5px 0;
  padding: 6px 10px;
  width: 100%;
  background-color: #333;
  color: #f9e79f;
  border: 1px solid #555;
  border-radius: 4px;
}

#messageBox {
  background-color: #0d0d0d;
  color: #22d8ff;

  padding: 20px;
  white-space: pre-wrap;
  font-size: 16px;
  line-height: 1.5;
  min-height: 300px;
  margin-bottom: 30px;
  overflow-y: auto;
  font-family: monospace;
  box-shadow: inset 0 0 20px #b3b300;
  border:13px solid #165f8c;
}

/* Funkcje kontraktu - kolorowe ramki */
.view {
  border-left: 4px solid #3498db;
  padding-left: 10px;
  margin-bottom: 20px;
}

.payable {
  border-left: 4px solid gold;
  padding-left: 10px;
  margin-bottom: 20px;
}

.nonpayable {
  border-left: 4px solid orange;
  padding-left: 10px;
  margin-bottom: 20px;
}

/* Kursor retro (opcjonalnie) */
#messageBox::after {
  content: '█';
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}