body {
  margin: 0;
  background: #000;
  font-family: 'Courier New', monospace;
  overflow: hidden;
}

#screen {
  width: 100vw;
  height: 100vh;
  background: #000;
  color: #fff;
}

.hidden {
  display: none !important;
}

.active {
  display: block;
}

#bios {
  padding: 20px;
  white-space: pre;
}

#dos {
  padding: 10px;
  height: 100%;
}

#output {
  height: calc(100% - 25px);
  overflow-y: auto;
}

#input-line {
  display: flex;
  align-items: center;
}

.prompt {
  color: #fff;
  margin-right: 5px;
}

#command-input {
  background: #000;
  border: none;
  color: #fff;
  font-family: 'Courier New', monospace;
  font-size: 16px;
  outline: none;
  width: 100%;
}

#desktop {
  position: relative;
  width: 100%;
  height: 100%;
  background: #fff;
  color: #000;
}

.icon {
  position: absolute;
  width: 64px;
  height: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  padding: 5px;
}

.icon:hover {
  background: rgba(0,0,0,0.1);
}

.icon-image {
  width: 32px;
  height: 32px;
  image-rendering: pixelated;
}

.icon-label {
  text-align: center;
  margin-top: 5px;
  font-size: 12px;
}

.window {
  position: absolute;
  background: #fff;
  border: 2px solid #000;
  min-width: 200px;
  min-height: 150px;
}

.window-header {
  background: #000;
  color: #fff;
  padding: 5px;
  cursor: move;
  display: flex;
  justify-content: space-between;
}

.window-close {
  cursor: pointer;
}

.window-content {
  padding: 10px;
  height: calc(100% - 35px);
  overflow: auto;
}

iframe {
  border: none;
  width: 100%;
  height: 100%;
}