:root {
  /* Default Green Theme */
  --background-color: #0d0208;
  --text-color: #00ff41;
  --highlight-color1: #ff00ff; /* Magenta */
  --highlight-color2: #00ffff; /* Cyan */
  --highlight-color3: #f3f3a5; /* Yellow */
}

body.theme-amber {
  --background-color: #251800;
  --text-color: #ffb400;
  --highlight-color1: #ffcf40;
  --highlight-color2: #ffdc73;
  --highlight-color3: #ffe9a6;
}

body.theme-mono {
  --background-color: #000000;
  --text-color: #ffffff;
  --highlight-color1: #bbbbbb;
  --highlight-color2: #dddddd;
  --highlight-color3: #fafafa;
}

/* QoL: New secret theme found in journal.log */
body.theme-matrix {
  --background-color: #000000;
  --text-color: #00ff00;
  --highlight-color1: #00cc00;
  --highlight-color2: #009900;
  --highlight-color3: #33ff33;
  font-family: 'Courier New', Courier, monospace;
}

/* --- General Styles --- */

html {
  height: 100%;
  overflow: hidden;
}

body {
  height: 100%;
  margin: 0;
  padding: 1rem;
  box-sizing: border-box;
  background-color: var(--background-color);
  color: var(--text-color);
  font-family: 'VT323', monospace;
  font-size: 1.2rem;
  position: relative;
  transition: background-color 0.3s, color 0.3s;
  display: flex;
  flex-direction: column;
}

#terminal {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  min-height: 0;
}

#output {
  flex-grow: 1;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.prompt-line {
  display: flex;
  align-items: center;
}

.prompt {
  margin-right: 0.5rem;
}

#command-input {
  background: none;
  border: none;
  color: var(--text-color);
  font-family: inherit; /* Inherits from body for theme changes */
  font-size: 1.2rem;
  flex-grow: 1;
  outline: none;
}

#command-input:focus {
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  from,
  to {
    box-shadow: 1px 0 0 var(--text-color);
  }
  50% {
    box-shadow: none;
  }
}

/* Color classes */
.text-magenta {
  color: var(--highlight-color1);
}
.text-cyan {
  color: var(--highlight-color2);
}
.text-yellow {
  color: var(--highlight-color3);
}
a {
  color: var(--highlight-color2);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.ascii {
  white-space: pre;
}

/* QoL: New style for clickable filenames in 'ls' output */
.file-link {
  cursor: pointer;
}
.file-link:hover {
  text-decoration: underline;
}

/* Scan lines effect */
body::after {
  content: ' ';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%),
    linear-gradient(
      90deg,
      rgba(255, 0, 0, 0.06),
      rgba(0, 255, 0, 0.02),
      rgba(0, 0, 255, 0.06)
    );
  z-index: 2;
  background-size: 100% 2px, 3px 100%;
  pointer-events: none;
}

@media (max-width: 768px) {
  body,
  #command-input {
    font-size: 1rem;
  }
  .ascii {
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  body,
  #command-input {
    font-size: 1rem;
  }
  .ascii {
    font-size: 1.6vw;
    white-space: pre;
  }
  body {
    padding: 0.5rem;
  }
}