/* ==========================================================================
   8-BIT PIXEL ART, RETRO COMPUTING & CYBER-DECK LAYER
   HUD Telemetry, Scroll Elevator Rail, Terminal Window Chrome, SVG Circuitry,
   Interactive ASCII Hardware Cyber-Lab & Fixed Canvas Background
   ========================================================================== */

/* --- Fixed Canvas & CRT Background --- */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none !important;
  z-index: 0;
  display: block;
}

.crt-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none !important;
  z-index: 1;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.22) 50%
  ), linear-gradient(
    90deg,
    rgba(255, 0, 0, 0.02),
    rgba(0, 255, 0, 0.01),
    rgba(0, 0, 255, 0.02)
  );
  background-size: 100% 3px, 3px 100%;
  opacity: 0.55;
}

html, body {
  background-color: var(--bg-deep-ink);
  max-width: 100%;
}

/* --- Font Utility Classes --- */
.font-pixel {
  font-family: var(--font-pixel);
  letter-spacing: -0.02em;
}

.font-vt {
  font-family: var(--font-vt);
  font-size: 1.25rem;
  letter-spacing: 0.05em;
}

.font-mono {
  font-family: var(--font-mono);
}

/* --- Navbar Brand Badge --- */
.nav-brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--dragon-red);
  color: #ffffff;
  font-size: 0.75rem;
  padding: 0.25rem 0.45rem;
  border: 2px solid var(--border-dark);
  box-shadow: 2px 2px 0px var(--border-dark);
}

.nav-sub-chip {
  font-size: 0.72rem;
  color: var(--dragon-gold);
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* --- Retro Terminal Window Containers --- */
.terminal-window {
  background-color: var(--bg-surface);
  border: 2px solid var(--border-dark);
  box-shadow: 4px 4px 0px var(--border-dark);
  border-radius: var(--radius-sharp);
  position: relative;
  overflow: hidden;
}

.terminal-titlebar {
  background-color: var(--bg-dragon);
  border-bottom: 2px solid var(--border-color);
  padding: 0.45rem 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  user-select: none;
}

.terminal-controls {
  display: inline-flex;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
}

.terminal-controls span {
  width: 14px;
  height: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  cursor: pointer;
}

.terminal-controls span:hover {
  background-color: var(--dragon-red);
  color: #fff;
}

/* --- Retro Research Dossier Card (Team Members) --- */
.dossier-card {
  background-color: var(--bg-surface);
  border: 2px solid var(--border-color);
  box-shadow: 3px 3px 0px var(--border-dark);
  position: relative;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.dossier-card:hover {
  border-color: var(--dragon-gold);
  transform: translateY(-2px);
  box-shadow: 4px 5px 0px var(--dragon-red);
}

.dossier-header-strip {
  background-color: var(--bg-dragon);
  border-bottom: 1px solid var(--border-color);
  padding: 0.35rem 0.65rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--dragon-gold);
  font-weight: 700;
}

.dossier-barcode {
  display: flex;
  gap: 2px;
  height: 10px;
  align-items: center;
  opacity: 0.6;
}

.dossier-barcode span {
  display: inline-block;
  height: 100%;
  background-color: var(--text-dim);
}

/* --- Project Cartridge Card --- */
.project-cartridge {
  background-color: var(--bg-surface);
  border: 2px solid var(--border-color);
  box-shadow: 4px 4px 0px var(--border-dark);
  position: relative;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.project-cartridge:hover {
  border-color: var(--dragon-red);
  transform: translateY(-2px);
  box-shadow: 4px 6px 0px var(--dragon-gold);
}

.cartridge-notch {
  position: absolute;
  top: -2px;
  right: 20px;
  width: 40px;
  height: 6px;
  background-color: var(--dragon-gold);
  border: 1px solid var(--border-dark);
}

/* --- PCB SVG Circuit Connectors --- */
.pcb-trace-svg {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.35;
}

.pcb-circuit-line {
  stroke: var(--dragon-red);
  stroke-width: 1.5;
  stroke-dasharray: 6 3;
  fill: none;
}

.pcb-circuit-node {
  fill: var(--dragon-gold);
  stroke: var(--border-dark);
  stroke-width: 1;
}

/* --- Interactive Retro Lore Terminal Console --- */
.lore-terminal-wrapper {
  margin-top: 3rem;
  background-color: var(--bg-deep-ink);
  border: 2px solid var(--border-color);
  box-shadow: 5px 5px 0px var(--border-dark);
  font-family: var(--font-mono);
  overflow: hidden;
}

.lore-terminal-screen {
  padding: 1.25rem;
  min-height: 180px;
  max-height: 280px;
  overflow-y: auto;
  color: var(--dragon-green-bright);
  font-size: 0.85rem;
  line-height: 1.6;
}

.lore-terminal-output {
  white-space: pre-wrap;
  word-break: break-word;
  margin-bottom: 0.75rem;
}

.lore-terminal-prompt-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  background-color: var(--bg-deep-ink);
  border-top: 1px solid var(--border-color);
}

.lore-terminal-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-old-white);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.lore-command-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.5rem 1.25rem;
  background-color: var(--bg-dragon);
  border-top: 1px dashed var(--border-color);
}

.lore-chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background-color: var(--bg-surface);
  color: var(--dragon-gold);
  border: 1px solid var(--border-color);
  padding: 0.2rem 0.5rem;
  cursor: pointer;
  user-select: none;
  transition: all var(--transition-fast);
}

.lore-chip:hover {
  background-color: var(--dragon-red);
  color: #ffffff;
  border-color: var(--dragon-red);
}

/* --- Retro Stat Metric Counters --- */
.telemetry-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.telemetry-metric-card {
  background-color: var(--bg-surface);
  border: 2px solid var(--border-color);
  box-shadow: 3px 3px 0px var(--border-dark);
  padding: 1.25rem 1rem;
  text-align: center;
}

.telemetry-metric-num {
  font-family: var(--font-pixel);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  color: var(--dragon-gold);
  margin-bottom: 0.35rem;
}

.telemetry-metric-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 768px) {
  .telemetry-metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}