body, html {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background-color: #050505;
  color: #00ff00;
  font-family: 'Courier New', Courier, monospace;
  overflow: hidden;
}

.crt-screen {
  width: 100%;
  height: 100%;
  padding: 20px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
  background: radial-gradient(circle, #111 0%, #000 100%);
  box-shadow: inset 0 0 100px rgba(0, 255, 0, 0.05);
}

/* Efecto de líneas de barrido de monitor antiguo */
.scanline {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%);
  background-size: 100% 4px;
  pointer-events: none;
  z-index: 10;
}

#terminal-output {
  flex-grow: 1;
  overflow-y: auto;
  margin-bottom: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 1rem;
  text-shadow: 0 0 5px rgba(0, 255, 0, 0.4);
}

.command-line {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: bold;
}

#user-input {
  background: transparent;
  border: none;
  color: #00ff00;
  font-family: 'Courier New', Courier, monospace;
  font-size: 1.1rem;
  outline: none;
  flex-grow: 1;
  text-shadow: 0 0 5px rgba(0, 255, 0, 0.4);
}

.cmd-highlight {
  color: #ffff00;
  background: rgba(255, 255, 0, 0.1);
  padding: 0 4px;
}