body {
  margin: 0;
  background: #000;
  color: #fff;
  font-family: "Courier New", monospace;
  line-height: 1.2;
  padding: 20px;
}

#app {
  max-width: 900px;
  margin: 0 auto;
  background: #000080;
  border: 2px solid #00FFFF;
  padding: 4px;
}

.header {
  background: #000080;
  border-bottom: 1px solid #00FFFF;
  padding: 10px;
  margin-bottom: 10px;
}

.header h1 {
  color: #fff;
  margin: 0;
  font-size: 20px;
}

.bios-menu {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  margin: 10px 0;
}

.bios-section {
  background: #000080;
  border: 1px solid #00FFFF;
  padding: 10px;
}

.bios-section h2 {
  color: #FFFF00;
  margin: 0 0 10px 0;
  font-size: 16px;
  border-bottom: 1px solid #00FFFF;
  padding-bottom: 5px;
}

.menu-item {
  display: flex;
  justify-content: space-between;
  padding: 3px 0;
  color: #fff;
}

.menu-item:hover {
  background: #00FFFF;
  color: #000080;
}

.menu-item a {
  color: inherit;
  text-decoration: none;
  display: block;
  width: 100%;
}

.menu-item:hover a {
  color: #000080;
}

.status-bar {
  background: #000080;
  border-top: 1px solid #00FFFF;
  padding: 10px;
  margin-top: 10px;
  display: flex;
  justify-content: space-between;
}

.key-command {
  color: #FFFF00;
}

.memory-info {
  color: #00FFFF;
}

.ascii-border {
  color: #00FFFF;
  white-space: pre;
}

.bios-table {
  width: 100%;
  border-collapse: collapse;
}

.bios-table td {
  padding: 3px 6px;
  border: 1px solid #00FFFF;
}

.highlight {
  background: #00FFFF;
  color: #000080;
}

.blink {
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}