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

:root {
  --chrome: #b8b8c0;
  --chrome-dark: #888890;
  --wood-light: #8B6914;
  --wood-mid: #6B4F10;
  --wood-dark: #4A370D;
  --screen-blue: #1A1AFF;
  --amber: #FF8C00;
  --amber-dim: #7A4400;
  --led-red: #FF2222;
  --led-green: #22FF44;
  --bg-dark: #1a1a1a;
  --panel-bg: #0d0d12;
  --panel-border: #2a2a35;
  --text-green: #33ff66;
  --text-amber: #ffaa33;
}

body {
  background: var(--bg-dark);
  font-family: 'Chakra Petch', sans-serif;
  color: #ccc;
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(ellipse at 50% 30%, #1a1a2a 0%, #0a0a0f 70%),
    repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(255,255,255,0.01) 2px, rgba(255,255,255,0.01) 4px);
}

#app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px;
}

#console-frame {
  background: linear-gradient(180deg, #2a2a30 0%, #222228 100%);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.8), inset 0 1px 0 rgba(255,255,255,0.1);
  border: 2px solid #3a3a40;
}

#top-chrome {
  background: linear-gradient(180deg, var(--chrome) 0%, var(--chrome-dark) 100%);
  padding: 8px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 3px solid #666;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.5);
}

#brand-label {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: 20px;
  color: #222;
  letter-spacing: 6px;
  text-shadow: 0 1px 0 rgba(255,255,255,0.4);
}

#model-label {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: #333;
  letter-spacing: 4px;
}

#main-area {
  display: flex;
  gap: 0;
  padding: 12px;
}

#screen-wrapper {
  flex: 1;
  min-width: 0;
}

#crt-bezel {
  background: #111;
  border-radius: 20px;
  padding: 16px;
  box-shadow: inset 0 0 30px rgba(0,0,0,0.9), 0 0 20px rgba(26,26,255,0.15);
  border: 3px solid #333;
}

#crt-screen {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 0 40px rgba(26,26,255,0.2), inset 0 0 60px rgba(0,0,0,0.5);
}

#canvas {
  display: block;
  width: 100%;
  height: auto;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

#scanlines {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 1px,
    rgba(0,0,0,0.25) 1px,
    rgba(0,0,0,0.25) 2px
  );
  pointer-events: none;
  z-index: 2;
}

#screen-glare {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at 30% 20%, rgba(255,255,255,0.06) 0%, transparent 60%);
  pointer-events: none;
  z-index: 3;
}

#cartridge-area {
  margin-top: 10px;
  text-align: center;
}

#cartridge-slot {
  display: inline-block;
  background: linear-gradient(180deg, #222 0%, #111 100%);
  border: 3px solid #444;
  border-radius: 6px;
  padding: 10px 40px;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.8);
}

#cartridge-slot:hover, #cartridge-slot.drag-over {
  border-color: var(--amber);
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.8), 0 0 20px rgba(255,140,0,0.3);
}

#slot-inner {
  font-family: 'Share Tech Mono', monospace;
  font-size: 13px;
  color: var(--amber-dim);
  letter-spacing: 3px;
}

#cartridge-slot:hover #slot-inner, #cartridge-slot.drag-over #slot-inner {
  color: var(--amber);
}

#rom-name-display {
  font-family: 'Share Tech Mono', monospace;
  font-size: 12px;
  color: var(--amber);
  margin-top: 6px;
  letter-spacing: 2px;
  text-shadow: 0 0 8px rgba(255,140,0,0.5);
}

/* Side Panel */
#side-panel {
  width: 260px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 10px;
  max-height: 500px;
  overflow-y: auto;
}

.status-panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  padding: 8px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
}

.panel-title {
  font-family: 'Chakra Petch', sans-serif;
  font-weight: 600;
  font-size: 11px;
  color: var(--text-amber);
  letter-spacing: 2px;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.panel-title.clickable {
  cursor: pointer;
  padding: 8px 12px;
  user-select: none;
}

.led-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--led-red);
  box-shadow: 0 0 6px var(--led-red);
  animation: blink 1s infinite;
}

.led-dot.led-green {
  background: var(--led-green);
  box-shadow: 0 0 6px var(--led-green);
}

.led-dot.off {
  background: #333;
  box-shadow: none;
  animation: none;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.register-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  color: var(--text-green);
}

.register-grid .reg-item {
  padding: 1px 3px;
  background: rgba(0,255,0,0.03);
  border-radius: 2px;
  font-size: 10px;
  white-space: nowrap;
  overflow: hidden;
}

.register-grid .reg-item.changed {
  background: rgba(255,100,0,0.15);
  color: var(--text-amber);
}

.instruction-display {
  color: #fff;
  padding: 3px 6px;
  background: rgba(255,255,255,0.05);
  border-radius: 3px;
  margin-top: 4px;
  font-size: 11px;
}

.cycle-display {
  color: var(--amber-dim);
  font-size: 10px;
  margin-top: 2px;
}

.sprite-grid {
  color: var(--text-green);
  font-size: 10px;
}

.sprite-grid .sprite-row {
  display: flex;
  gap: 4px;
  align-items: center;
}

.sprite-row .spr-color {
  width: 8px; height: 8px;
  border-radius: 2px;
  display: inline-block;
}

.scan-info {
  color: var(--amber-dim);
  font-size: 10px;
  margin-top: 3px;
}

.history-list {
  max-height: 100px;
  overflow-y: auto;
  font-size: 10px;
  color: #666;
  line-height: 1.4;
}

.history-list .hist-item {
  padding: 1px 0;
}

.history-list .hist-item:last-child {
  color: var(--text-green);
}

/* Control Strip */
#control-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 10px 16px;
  background: linear-gradient(180deg, #1e1e24 0%, #16161a 100%);
  border-top: 1px solid #2a2a30;
  align-items: center;
}

.control-group {
  display: flex;
  gap: 6px;
  align-items: center;
}

.retro-toggle {
  font-family: 'Chakra Petch', sans-serif;
  font-weight: 600;
  font-size: 12px;
  padding: 8px 16px;
  background: linear-gradient(180deg, #333 0%, #222 100%);
  color: #888;
  border: 2px solid #444;
  border-radius: 6px;
  cursor: pointer;
  letter-spacing: 1px;
  transition: all 0.2s;
}

.retro-toggle.on {
  background: linear-gradient(180deg, #2a4a2a 0%, #1a3a1a 100%);
  color: var(--led-green);
  border-color: #3a6a3a;
  box-shadow: 0 0 12px rgba(34,255,68,0.2);
}

.retro-button {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 11px;
  padding: 6px 12px;
  background: linear-gradient(180deg, #333 0%, #222 100%);
  color: #999;
  border: 2px solid #444;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

.retro-button:hover { border-color: #666; color: #ccc; }
.retro-button:active { transform: scale(0.96); }

.retro-button.red {
  border-color: #6a2222;
  color: #cc4444;
}

.retro-button.red:hover {
  border-color: #aa3333;
  box-shadow: 0 0 10px rgba(255,34,34,0.2);
}

.retro-button.fire {
  background: linear-gradient(180deg, #6a2222 0%, #4a1111 100%);
  color: #ff6644;
  border-color: #8a3333;
  padding: 12px 24px;
  font-size: 13px;
  font-weight: 700;
}

.retro-button.active {
  border-color: var(--amber);
  color: var(--amber);
}

.speed-group {
  gap: 8px;
}

.speed-label {
  font-size: 11px;
  color: #666;
  letter-spacing: 2px;
}

.retro-slider {
  -webkit-appearance: none;
  width: 80px;
  height: 6px;
  background: #222;
  border-radius: 3px;
  border: 1px solid #444;
  outline: none;
}

.retro-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--chrome) 0%, var(--chrome-dark) 100%);
  border: 2px solid #666;
  cursor: pointer;
}

#speed-value {
  font-family: 'Share Tech Mono', monospace;
  font-size: 12px;
  color: var(--amber);
  min-width: 30px;
}

.retro-select {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 11px;
  padding: 6px 10px;
  background: #1a1a20;
  color: var(--text-amber);
  border: 2px solid #444;
  border-radius: 6px;
  cursor: pointer;
}

/* Keyboard */
#keyboard-section {
  border-top: 1px solid #2a2a30;
}

#keyboard-container {
  overflow: hidden;
  transition: max-height 0.3s;
  max-height: 200px;
  padding: 10px 16px;
}

#keyboard-container.collapsed {
  max-height: 0;
  padding: 0 16px;
}

#virtual-keyboard {
  display: flex;
  flex-direction: column;
  gap: 3px;
  align-items: center;
}

.kb-row {
  display: flex;
  gap: 3px;
}

.kb-key {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 11px;
  font-weight: 600;
  width: 34px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #3a3a40 0%, #2a2a30 100%);
  border: 1px solid #4a4a50;
  border-radius: 4px;
  color: #aaa;
  cursor: pointer;
  transition: all 0.1s;
  user-select: none;
}

.kb-key:hover { background: #444; color: #fff; }
.kb-key:active, .kb-key.pressed { 
  transform: translateY(2px);
  background: #222;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.5);
}

.kb-key.wide { width: 52px; }
.kb-key.space { width: 180px; }

/* Joystick */
#joystick-section {
  padding: 10px 16px;
  border-top: 1px solid #2a2a30;
  display: flex;
  align-items: center;
  gap: 20px;
}

#joystick-pad {
  display: grid;
  grid-template-columns: repeat(3, 36px);
  grid-template-rows: repeat(3, 36px);
  gap: 2px;
}

.joy-btn {
  background: linear-gradient(180deg, #3a3a40 0%, #2a2a30 100%);
  border: 2px solid #4a4a50;
  border-radius: 6px;
  color: #888;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.joy-btn:active, .joy-btn.pressed {
  background: #555;
  color: #fff;
}

.center-btn {
  background: #222;
  border-color: #333;
  cursor: default;
  border-radius: 50%;
}

.key-hints {
  font-size: 10px;
  color: #555;
  font-family: 'Share Tech Mono', monospace;
}

/* Wood Panel / Footer */
#wood-panel {
  background: 
    linear-gradient(90deg, var(--wood-dark) 0%, var(--wood-light) 15%, var(--wood-mid) 30%, var(--wood-light) 50%, var(--wood-mid) 70%, var(--wood-light) 85%, var(--wood-dark) 100%);
  padding: 12px 20px;
  border-top: 3px solid #8B6914;
  box-shadow: inset 0 2px 0 rgba(255,255,255,0.1);
  position: relative;
}

#wood-panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 3px,
    rgba(0,0,0,0.05) 3px,
    rgba(0,0,0,0.05) 6px
  );
  pointer-events: none;
}

#footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  position: relative;
  z-index: 1;
}

.footer-brand {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 11px;
  color: #2a1a00;
  letter-spacing: 3px;
}

.footer-disclaimer {
  font-size: 9px;
  color: #4a3510;
}

.footer-remix {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 11px;
  color: #2a1a00;
  text-decoration: none;
  background: rgba(255,255,255,0.15);
  padding: 4px 10px;
  border-radius: 4px;
  font-weight: 600;
}

.footer-remix:hover {
  background: rgba(255,255,255,0.25);
}

/* Responsive */
@media (max-width: 768px) {
  #main-area {
    flex-direction: column;
  }
  #side-panel {
    width: 100%;
    padding-left: 0;
    padding-top: 10px;
    flex-direction: row;
    flex-wrap: wrap;
    max-height: none;
    overflow: visible;
  }
  .status-panel {
    flex: 1;
    min-width: 140px;
  }
  #control-strip {
    justify-content: center;
  }
  #joystick-section {
    justify-content: center;
  }
  #footer-content {
    justify-content: center;
    text-align: center;
  }
  .kb-key {
    width: 26px;
    height: 24px;
    font-size: 9px;
  }
  .kb-key.space { width: 120px; }
}

@media (max-width: 480px) {
  #top-chrome {
    padding: 6px 12px;
  }
  #brand-label { font-size: 14px; letter-spacing: 3px; }
  #model-label { font-size: 12px; }
  #crt-bezel { padding: 8px; }
  .kb-key { width: 22px; height: 22px; font-size: 8px; }
  .kb-key.wide { width: 36px; }
  .kb-key.space { width: 90px; }
}