/* ===== RESET & BASE ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --green: #33ff33;
  --green-dim: #1a9e1a;
  --green-glow: rgba(51, 255, 51, 0.15);
  --green-bright: #66ff66;
  --amber: #ffb000;
  --amber-dim: #996a00;
  --bg: #0a0a0a;
  --bg-screen: #050505;
  --bezel: #2a2a2a;
  --bezel-edge: #1a1a1a;
  --text: var(--green);
  --text-dim: var(--green-dim);
  --font: 'VT323', 'Courier New', monospace;
  --font-alt: 'IBM Plex Mono', monospace;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  -webkit-font-smoothing: none;
}

/* ===== CRT EFFECTS ===== */
.crt-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  background: radial-gradient(
    ellipse at center,
    transparent 0%,
    transparent 60%,
    rgba(0, 0, 0, 0.4) 100%
  );
}

.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.15) 0px,
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent 3px
  );
}

/* ===== MONITOR ===== */
.monitor {
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 1;
}

.monitor-bezel {
  background: var(--bezel);
  border-radius: 16px;
  padding: 20px;
  border: 3px solid var(--bezel-edge);
  box-shadow:
    0 0 60px rgba(51, 255, 51, 0.05),
    inset 0 2px 4px rgba(255, 255, 255, 0.05),
    0 20px 60px rgba(0, 0, 0, 0.8);
}

.monitor-screen {
  width: min(800px, 90vw);
  height: min(520px, 70vh);
  background: var(--bg-screen);
  border-radius: 6px;
  border: 2px solid #111;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow:
    inset 0 0 80px rgba(51, 255, 51, 0.03),
    inset 0 0 20px rgba(0, 0, 0, 0.5);
}

.monitor-stand {
  width: 60px;
  height: 30px;
  background: linear-gradient(to bottom, var(--bezel), var(--bezel-edge));
  border-radius: 0 0 4px 4px;
}

.monitor-base {
  width: 160px;
  height: 12px;
  background: var(--bezel);
  border-radius: 0 0 8px 8px;
  border: 2px solid var(--bezel-edge);
  border-top: none;
}

.power-led {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green), 0 0 16px var(--green-glow);
  animation: led-pulse 2s ease-in-out infinite;
}

@keyframes led-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* ===== TITLE BAR ===== */
.title-bar {
  height: 28px;
  background: linear-gradient(to right, #000080, #1084d0);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 6px 0 8px;
  flex-shrink: 0;
  user-select: none;
}

.title-bar-text {
  font-family: var(--font-alt);
  font-size: 12px;
  font-weight: 700;
  color: white;
  letter-spacing: 0.5px;
}

.title-bar-controls {
  display: flex;
  gap: 2px;
}

.tb-btn {
  width: 20px;
  height: 18px;
  background: #c0c0c0;
  border: 1px outset #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-alt);
  font-size: 11px;
  font-weight: 700;
  color: #000;
  cursor: pointer;
  line-height: 1;
}

.tb-btn:active {
  border-style: inset;
}

/* ===== TERMINAL ===== */
.terminal {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  font-size: 18px;
  line-height: 1.5;
  letter-spacing: 0.5px;
}

.terminal::-webkit-scrollbar {
  width: 12px;
}

.terminal::-webkit-scrollbar-track {
  background: #111;
}

.terminal::-webkit-scrollbar-thumb {
  background: #333;
  border: 2px solid #111;
}

/* Output lines */
#output {
  flex: 1;
}

.line {
  margin-bottom: 2px;
  word-wrap: break-word;
}

.line-cmd {
  color: var(--green-bright);
}

.line-info {
  color: var(--green);
}

.line-dim {
  color: var(--green-dim);
}

.line-header {
  color: var(--amber);
  font-size: 20px;
}

.line-accent {
  color: var(--amber);
}

.line-error {
  color: #ff4444;
}

.line-separator {
  color: var(--green-dim);
  opacity: 0.5;
}

.line-blank {
  height: 18px;
}

/* ASCII art */
.ascii-art {
  color: var(--green);
  line-height: 1.15;
  font-size: 14px;
  white-space: pre;
}

/* Input line */
.input-line {
  display: flex;
  align-items: center;
  margin-top: 4px;
  flex-shrink: 0;
}

.prompt {
  color: var(--green);
  white-space: nowrap;
  margin-right: 8px;
  flex-shrink: 0;
}

.cmd-hidden {
  position: absolute;
  left: -9999px;
  opacity: 0;
  width: 0;
  height: 0;
}

.cmd-mirror {
  color: var(--green-bright);
  white-space: pre;
}

.cursor-block {
  color: var(--green);
  animation: blink 0.8s step-end infinite;
  font-weight: 700;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* Typing animation */
.typing::after {
  content: '_';
  animation: blink 0.8s step-end infinite;
}

/* Tables */
.table-row {
  display: flex;
  gap: 4px;
}

.table-key {
  color: var(--amber);
  min-width: 18ch;
  flex-shrink: 0;
}

.table-val {
  color: var(--green);
}

/* Progress bar */
.progress-bar {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.progress-track {
  color: var(--green-dim);
}

.progress-fill {
  color: var(--green);
}

.progress-label {
  color: var(--green-dim);
  font-size: 16px;
}

/* Link style */
.term-link {
  color: var(--amber);
  text-decoration: underline;
  cursor: pointer;
}

.term-link:hover {
  color: var(--green-bright);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .monitor-bezel {
    padding: 10px;
    border-radius: 10px;
  }

  .monitor-screen {
    width: 95vw;
    height: 80vh;
  }

  .terminal {
    font-size: 14px;
    padding: 10px;
  }


  .ascii-art {
    font-size: 8px;
  }

  .table-key {
    min-width: 14ch;
  }

  .monitor-stand,
  .monitor-base {
    display: none;
  }
}

@media (max-width: 480px) {
  .terminal {
    font-size: 12px;
    padding: 8px;
  }


  .ascii-art {
    font-size: 6px;
  }

  .table-key {
    min-width: 12ch;
  }
}