/* Cold Signal — Retro Terminal Styling */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0a0a0a;
  --fg: #00ffcc;
  --fg-dim: #009977;
  --fg-amber: #00ffcc;
  --fg-red: #ff4444;
  --fg-cyan: #00ffcc;
  --fg-muted: #555555;
  --input-bg: #111111;
  --scanline: rgba(0, 255, 200, 0.02);
  --font: 'Courier New', 'Consolas', 'Liberation Mono', monospace;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  overflow: hidden;
}

/* CRT Scanline Overlay */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    var(--scanline) 2px,
    var(--scanline) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

/* CRT slight curvature vignette */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    ellipse at center,
    transparent 60%,
    rgba(0, 0, 0, 0.4) 100%
  );
  pointer-events: none;
  z-index: 9998;
}

#terminal {
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 10px 15px;
  scroll-behavior: smooth;
}

#output {
  flex: 1;
}

#output pre {
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-wrap: break-word;
  margin: 0;
  padding: 0;
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
}

#output pre.input-echo {
  color: var(--fg-amber);
  margin-top: 6px;
}

#output pre.game-output {
  color: var(--fg);
  margin-bottom: 6px;
}

#output div.game-output {
  margin-bottom: 6px;
}

#prompt-line {
  display: flex;
  align-items: center;
  padding: 4px 0 10px 0;
  flex-shrink: 0;
}

#prompt-label {
  color: var(--fg-amber);
  font-family: var(--font);
  font-size: 14px;
  margin-right: 6px;
  flex-shrink: 0;
  user-select: none;
}

#input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--fg);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  caret-color: var(--fg);
}

#input::placeholder {
  color: var(--fg-muted);
}

/* Blinking cursor effect */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

#input:focus {
  animation: none;
}

/* Scrollbar styling */
#terminal::-webkit-scrollbar {
  width: 6px;
}

#terminal::-webkit-scrollbar-track {
  background: var(--bg);
}

#terminal::-webkit-scrollbar-thumb {
  background: var(--fg-dim);
  border-radius: 3px;
}

#terminal::-webkit-scrollbar-thumb:hover {
  background: var(--fg);
}

/* Selection styling */
::selection {
  background: var(--fg);
  color: var(--bg);
}

/* Mobile adjustments */
@media (max-width: 600px) {
  html, body {
    font-size: 12px;
  }

  #terminal {
    padding: 6px 8px;
  }

  #output pre {
    font-size: 12px;
  }

  #input {
    font-size: 16px; /* Prevents iOS zoom on focus */
  }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  body::after {
    display: none;
  }
}