body {
  background-color: #050509;
  color: #e8e8f0;
  font-family: "Courier New", monospace;
}

.key-input {
  font-family: Arial, sans-serif;
}

h1 {
  letter-spacing: 0.08em;
  color: #ff7a18;
}

.controls label {
  color: #e8e8f0;
  font-family: "Courier New", monospace;
}

.controls input[type="checkbox"] {
  accent-color: #ff7a18;
}

button,
input[type="number"],
input[type="text"]:not(.key-input),
input[type="color"] {
  font-family: "Courier New", monospace;
  border-radius: 0;
}

input[type="number"],
input[type="text"]:not(.key-input) {
  border: 1px solid #ff7a18;
  background: #1b1b1b;
  color: #e8e8f0;
}

input[type="color"] {
  border: 1px solid #ff7a18;
}

button#exportBtn {
  background: transparent;
  border: 1px solid #ff7a18;
  color: #ff7a18;
  cursor: pointer;
}

button#exportBtn:hover {
  background: #ff7a18;
  color: #050509;
}

footer {
  text-align: center;
  margin-top: 40px;
  padding: 20px;
  border-top: 2px dashed #ff7a18;
  font-family: "Courier New", monospace;
  color: #9a9ab0;
  font-size: 0.85em;
}

footer .core {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #ff7a18;
  box-shadow: 0 0 8px #ff7a18;
  animation: blink 2s infinite;
  vertical-align: middle;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

footer .back {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.9em;
  color: #ff7a18;
  text-decoration: none;
}

footer .back:hover {
  background: #ff7a18;
  color: #050509;
}