:root {
  --bg: #050805;
  --fg: #7CFF7C;
  --dim: #3BBF3B;
  --panel: #071107;
  --warn: #FFD479;
  --danger: #FF7C7C;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: #000;
  color: var(--fg);
  font-family: Consolas, "Courier New", monospace;
  overflow: hidden;
}
#screen {
  width: 100vw;
  height: 100vh;
  background: radial-gradient(circle at center, #071307 0%, var(--bg) 72%);
  padding: 14px 18px;
  text-shadow: 0 0 5px rgba(124,255,124,.45);
}
#topbar {
  display: flex;
  justify-content: space-between;
  border: 1px solid var(--dim);
  padding: 7px 10px;
  margin-bottom: 10px;
  background: rgba(0,0,0,.35);
}
#terminal {
  height: calc(100vh - 88px);
  overflow-y: auto;
  white-space: pre-wrap;
  line-height: 1.28;
  padding-right: 8px;
}
#commandForm {
  display: flex;
  align-items: center;
  height: 32px;
  border-top: 1px solid var(--dim);
  padding-top: 6px;
}
#prompt { margin-right: 7px; }
#commandInput {
  flex: 1;
  background: transparent;
  color: var(--fg);
  border: none;
  outline: none;
  font: inherit;
  text-shadow: inherit;
}
.line.warn { color: var(--warn); }
.line.danger { color: var(--danger); }
.line.dim { color: var(--dim); }