/* Grid Bike - Vic20 Retro Styling */
@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=Share+Tech+Mono&display=swap');

:root {
  --vic-border: #e6de00; /* Vic-20 Yellow border */
  --vic-bg: #ffffff;     /* Vic-20 White background */
  --vic-grid: #0000aa;   /* Vic-20 Blue text/grid */
  --vic-head: #dd0000;   /* Vic-20 Red bike head */
  --vic-man: #00aa00;    /* Vic-20 Green / Cyan man */
  --vic-wall: #000000;   /* Vic-20 Black wall */
  --bg-dark: #0f111a;
  --panel-bg: rgba(22, 26, 42, 0.85);
  --neon-cyan: #00f0ff;
  --neon-pink: #ff007f;
  --neon-amber: #ffaa00;
  --neon-green: #39ff14;
  --font-retro: 'Press Start 2P', monospace;
  --font-mono: 'Share Tech Mono', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
}

body {
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(circle at 50% 20%, #1a2038 0%, #080a12 100%),
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 100% 100%, 30px 30px, 30px 30px;
  color: #e0e6ed;
  font-family: var(--font-mono);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 20px 10px;
  overflow-x: hidden;
}

/* Header Container */
header {
  text-align: center;
  margin-bottom: 20px;
  max-width: 900px;
  width: 100%;
}

.title-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin-bottom: 8px;
}

.vic-badge {
  background: linear-gradient(135deg, #c0392b, #8e44ad);
  color: #fff;
  font-family: var(--font-retro);
  font-size: 0.65rem;
  padding: 4px 8px;
  border-radius: 4px;
  box-shadow: 0 0 10px rgba(192, 57, 43, 0.5);
  letter-spacing: 1px;
}

h1 {
  font-family: var(--font-retro);
  font-size: 2.2rem;
  color: #fff;
  text-shadow: 
    0 0 5px var(--neon-cyan),
    0 0 15px var(--neon-cyan),
    0 0 30px rgba(0, 240, 255, 0.6);
  letter-spacing: 3px;
}

.subtitle {
  font-size: 0.95rem;
  color: #a0aec0;
  letter-spacing: 1px;
}

.author-tag {
  color: var(--neon-amber);
  font-weight: bold;
}

/* Arcade Layout Main */
main {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  width: 100%;
  max-width: 1050px;
}

.workspace-layout {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: flex-start;
  gap: 25px;
  width: 100%;
  flex-wrap: wrap;
}

/* CRT Monitor Housing */
.crt-container {
  position: relative;
  background: #1e222d;
  border: 12px solid #2a3040;
  border-radius: 28px;
  padding: 24px;
  box-shadow: 
    0 0 0 4px #12151e,
    0 20px 50px rgba(0, 0, 0, 0.8),
    inset 0 0 20px rgba(0, 0, 0, 0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.monitor-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  margin-bottom: 12px;
  padding: 0 6px;
}

.brand-label {
  font-family: var(--font-retro);
  font-size: 0.65rem;
  color: #718096;
  letter-spacing: 1px;
}

.power-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: #a0aec0;
}

.led {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #ff3b30;
  box-shadow: 0 0 8px #ff3b30, inset 0 0 2px #fff;
  animation: pulse-led 2s infinite alternate;
}

@keyframes pulse-led {
  0% { opacity: 0.8; box-shadow: 0 0 6px #ff3b30; }
  100% { opacity: 1; box-shadow: 0 0 12px #ff3b30, 0 0 20px #ff3b30; }
}

/* Screen Wrapper */
.screen-frame {
  position: relative;
  background-color: var(--vic-border); /* Outer yellow border of Vic-20 */
  padding: 24px;
  border-radius: 12px;
  box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

/* CRT Scanline Overlay */
.screen-frame::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.08) 0px,
    rgba(0, 0, 0, 0.08) 1px,
    transparent 1px,
    transparent 2px
  );
  pointer-events: none;
  border-radius: 12px;
  transition: opacity 0.3s ease;
}

.screen-frame.crt-off::after {
  opacity: 0;
}

/* Canvas Element */
#gameCanvas {
  display: block;
  background-color: var(--vic-bg);
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
  border-radius: 2px;
}

/* Status Bar & Score HUD */
.hud-panel {
  display: flex;
  justify-content: space-between;
  width: 100%;
  margin-top: 15px;
  padding: 10px 16px;
  background: rgba(10, 12, 20, 0.7);
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-family: var(--font-retro);
  font-size: 0.75rem;
}

.hud-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.hud-label {
  color: #718096;
  font-size: 0.55rem;
}

.hud-value {
  color: var(--neon-cyan);
  font-size: 0.85rem;
  text-shadow: 0 0 6px rgba(0, 240, 255, 0.5);
}

/* Side Dashboard Panel */
.side-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 320px;
  min-width: 280px;
}

.panel-card {
  background: var(--panel-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 18px;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.card-title {
  font-family: var(--font-retro);
  font-size: 0.75rem;
  color: var(--neon-amber);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 8px;
}

/* Controls Guide Grid */
.controls-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.control-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.04);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.85rem;
}

.key-badge {
  background: #2d3748;
  color: var(--neon-cyan);
  border: 1px solid var(--neon-cyan);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: var(--font-retro);
  font-size: 0.65rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

/* Action Buttons */
.btn-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.btn {
  background: linear-gradient(135deg, #2b3648, #1a202c);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 10px 14px;
  border-radius: 8px;
  font-family: var(--font-retro);
  font-size: 0.65rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.btn:hover {
  background: linear-gradient(135deg, #3a4a63, #252d3d);
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 240, 255, 0.3);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(135deg, #0088cc, #005599);
  border-color: #00aaff;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0099ee, #0066bb);
  color: #fff;
  box-shadow: 0 6px 20px rgba(0, 170, 255, 0.5);
}

/* Touch D-Pad & Mobile Controller Panel */
.mobile-controller {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
  margin-top: 12px;
  padding: 12px;
  background: rgba(10, 12, 20, 0.85);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 12px;
}

.prompt-action-bar {
  display: flex;
  justify-content: center;
  gap: 10px;
  width: 100%;
  flex-wrap: wrap;
}

.btn-action {
  font-size: 0.75rem;
  padding: 10px 16px;
  min-width: 100px;
}

.touch-dpad-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}

.dpad-row {
  display: flex;
  gap: 8px;
}

.dpad-btn {
  width: 58px;
  height: 58px;
  background: linear-gradient(135deg, #2a3447, #1a202c);
  border: 2px solid var(--neon-cyan);
  border-radius: 12px;
  color: #fff;
  font-family: var(--font-retro);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5), 0 0 10px rgba(0, 240, 255, 0.2);
  touch-action: manipulation;
}

.dpad-btn:active {
  background: var(--neon-cyan);
  color: #000;
  transform: scale(0.92);
}

/* Virtual Touch D-Pad for Mobile/Touch */
.touch-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
}

/* Modal Popup Styles */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 16px;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background: #161a2b;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 18px;
  max-width: 850px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.9), 0 0 30px rgba(0, 240, 255, 0.2);
  overflow: hidden;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.modal-title {
  font-family: var(--font-retro);
  font-size: 0.9rem;
  color: var(--neon-cyan);
}

.close-btn {
  background: none;
  border: none;
  color: #a0aec0;
  font-size: 1.5rem;
  cursor: pointer;
  transition: color 0.2s;
}

.close-btn:hover {
  color: var(--neon-pink);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tabs-nav {
  display: flex;
  gap: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 10px;
}

.tab-btn {
  background: none;
  border: none;
  color: #a0aec0;
  font-family: var(--font-retro);
  font-size: 0.65rem;
  padding: 8px 12px;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.2s;
}

.tab-btn.active {
  background: rgba(0, 240, 255, 0.15);
  color: var(--neon-cyan);
  border: 1px solid var(--neon-cyan);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.scan-image-viewer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.scan-img {
  max-width: 100%;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
}

pre.code-block {
  background: #090b10;
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 8px;
  padding: 16px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.85rem;
  color: #00ffaa;
  overflow-x: auto;
  white-space: pre-wrap;
  line-height: 1.5;
}

/* Footer */
footer {
  margin-top: 30px;
  text-align: center;
  font-size: 0.8rem;
  color: #718096;
}

footer a {
  color: var(--neon-cyan);
  text-decoration: none;
}

/* Responsive Mobile & Tablet Adjustments - Safe Area & Natural Scroll Layout */
@media (max-width: 768px) {
  html {
    height: auto;
    overflow-x: hidden;
  }

  body {
    height: auto;
    min-height: 100dvh;
    max-height: none;
    overflow-y: auto;
    overflow-x: hidden;
    margin: 0;
    padding: env(safe-area-inset-top, 4px) 6px env(safe-area-inset-bottom, 12px) 6px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  header {
    margin: 0 0 4px 0;
    padding: 2px 0;
    width: 100%;
    flex-shrink: 0;
  }

  .title-container {
    gap: 6px;
    margin-bottom: 0;
  }

  .vic-badge {
    font-size: 0.5rem;
    padding: 2px 5px;
  }

  h1 {
    font-size: 1.0rem;
    letter-spacing: 1px;
  }

  .subtitle {
    display: none !important; /* Hide subtitle on mobile screens to save vertical pixels */
  }

  main {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .workspace-layout {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .crt-container {
    height: calc(100dvh - 35px);
    max-height: calc(100dvh - 35px);
    width: 100%;
    max-width: 400px;
    padding: 6px;
    border-width: 4px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.8);
    box-sizing: border-box;
    flex-shrink: 0;
  }

  .monitor-top-bar {
    margin-bottom: 2px;
    flex-shrink: 0;
  }

  .brand-label {
    font-size: 0.55rem;
  }

  .power-indicator {
    font-size: 0.65rem;
  }

  .screen-frame {
    flex: 1;
    min-height: 0;
    padding: 3px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
  }

  #gameCanvas {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto !important;
    aspect-ratio: 352 / 368;
    object-fit: contain;
    flex-shrink: 1;
  }

  .hud-panel {
    margin-top: 4px;
    padding: 3px 6px;
    font-size: 0.6rem;
    border-radius: 6px;
    flex-shrink: 0;
  }

  .hud-label {
    font-size: 0.45rem;
  }

  .hud-value {
    font-size: 0.7rem;
  }

  .mobile-controller {
    margin-top: 4px;
    padding: 4px;
    gap: 4px;
    border-radius: 8px;
    flex-shrink: 0;
  }

  .prompt-action-bar {
    gap: 6px;
  }

  .btn-action {
    font-size: 0.7rem;
    padding: 6px 14px;
    min-width: 90px;
  }

  .touch-dpad-container {
    gap: 3px;
    margin-top: 2px;
  }

  .dpad-row {
    gap: 4px;
  }

  .dpad-btn {
    width: 44px;
    height: 44px;
    font-size: 0.85rem;
    border-radius: 8px;
  }

  /* Display side cards on mobile when scrolling down */
  .side-panel {
    display: flex !important;
    flex-direction: column;
    gap: 14px;
    width: 100%;
    max-width: 400px;
    margin-top: 20px;
  }

  footer {
    display: block !important;
    margin-top: 20px;
    margin-bottom: 10px;
  }
}