@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

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

:root {
  --bg: #0d0d1a;
  --bg2: #1a1a2e;
  --amber: #e77f24;
  --amber-dim: #a85a18;
  --amber-glow: #ffaa44;
  --green: #44ff66;
  --red-dim: #662222;
  --red: #ff4444;
  --wood-light: #8B6914;
  --wood-dark: #5C4033;
  --wood-grain: linear-gradient(90deg, #6B4226 0%, #8B6914 15%, #7B5B28 30%, #6B4226 45%, #8B6914 60%, #7B5B28 75%, #6B4226 100%);
  --plastic: #1a1a1a;
  --silver: #b8b8c0;
  --font: 'Press Start 2P', monospace;
  --text: #ddd;
  --text-dim: #888;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 10px;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Header */
#header {
  position: relative;
  text-align: center;
  padding: 20px 10px 10px;
  background: linear-gradient(180deg, #16162b 0%, var(--bg) 100%);
  overflow: hidden;
}

#header .scanline-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.15) 2px,
    rgba(0,0,0,0.15) 4px
  );
  pointer-events: none;
  animation: scanMove 8s linear infinite;
}

@keyframes scanMove {
  0% { transform: translateY(0); }
  100% { transform: translateY(4px); }
}

.title {
  font-size: clamp(14px, 3vw, 28px);
  color: var(--amber);
  text-shadow: 0 0 20px rgba(231,127,36,0.5), 0 2px 0 #000;
  letter-spacing: 2px;
  position: relative;
  z-index: 1;
}

.subtitle {
  font-size: clamp(7px, 1.2vw, 11px);
  color: var(--text-dim);
  margin-top: 8px;
  position: relative;
  z-index: 1;
}

.rainbow-bar {
  display: flex;
  height: 4px;
  margin: 12px auto 0;
  max-width: 400px;
  border-radius: 2px;
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.rainbow-bar span {
  flex: 1;
}

.rainbow-bar span:nth-child(1) { background: #ff4136; }
.rainbow-bar span:nth-child(2) { background: #ff851b; }
.rainbow-bar span:nth-child(3) { background: #ffdc00; }
.rainbow-bar span:nth-child(4) { background: #2ecc40; }
.rainbow-bar span:nth-child(5) { background: #0074d9; }

/* Main Layout */
#main-layout {
  display: flex;
  justify-content: center;
  gap: 0;
  padding: 10px;
  max-width: 1400px;
  margin: 0 auto;
}

#center-column {
  flex: 0 1 700px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

/* CRT TV */
#crt-container {
  width: 100%;
  max-width: 680px;
}

.tv-bezel {
  background: var(--wood-grain);
  border-radius: 20px;
  padding: 20px;
  box-shadow: 
    0 0 0 3px #3a2a10,
    0 8px 32px rgba(0,0,0,0.8),
    inset 0 2px 4px rgba(255,255,255,0.1);
  position: relative;
}

.tv-screen-area {
  position: relative;
  background: #000;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: inset 0 0 40px rgba(0,0,0,0.9), inset 0 0 10px rgba(255,255,255,0.05);
  aspect-ratio: 4/3;
}

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

.crt-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;
}

.crt-vignette {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at center, transparent 60%, rgba(0,0,0,0.7) 100%);
  pointer-events: none;
  z-index: 3;
}

.crt-flicker {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 4;
  animation: flicker 0.15s infinite alternate;
  opacity: 0;
}

@keyframes flicker {
  0% { opacity: 0; background: rgba(255,255,255,0.01); }
  100% { opacity: 1; background: rgba(255,255,255,0.008); }
}

.frame-overlay {
  position: absolute;
  bottom: 4px;
  right: 8px;
  font-size: 8px;
  color: rgba(255,170,68,0.5);
  font-family: var(--font);
  z-index: 5;
  pointer-events: none;
}

.tv-brand {
  text-align: center;
  font-family: var(--font);
  font-size: 8px;
  color: var(--wood-light);
  margin-top: 6px;
  text-shadow: 0 1px 0 rgba(0,0,0,0.5);
  letter-spacing: 3px;
}

/* Cartridge Slot */
#cartridge-slot {
  width: 100%;
  max-width: 500px;
}

.slot-housing {
  background: var(--wood-grain);
  border: 3px solid #3a2a10;
  border-radius: 10px;
  padding: 12px;
  text-align: center;
  box-shadow: inset 0 4px 8px rgba(0,0,0,0.4);
}

.cart-label {
  font-size: 10px;
  color: var(--amber);
  margin-bottom: 8px;
  letter-spacing: 2px;
}

.drop-zone {
  border: 2px dashed var(--amber-dim);
  border-radius: 8px;
  padding: 15px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--amber);
  background: rgba(231,127,36,0.1);
}

.drop-zone input[type=file] {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  opacity: 0;
  cursor: pointer;
}

.drop-zone span {
  font-size: 9px;
  color: var(--text-dim);
  display: block;
  margin-bottom: 8px;
}

.cart-info {
  margin-top: 10px;
  font-size: 8px;
  color: var(--green);
  text-align: left;
  background: rgba(0,0,0,0.4);
  padding: 8px;
  border-radius: 4px;
  word-break: break-all;
  line-height: 1.6;
}

.cart-info.hidden { display: none; }

/* Console Panel */
#console-panel {
  width: 100%;
  max-width: 600px;
}

.console-face {
  background: var(--wood-grain);
  border: 3px solid #3a2a10;
  border-radius: 10px;
  padding: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
}

.switch-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

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

.switch-group label {
  font-size: 7px;
  color: var(--silver);
  letter-spacing: 1px;
}

.toggle-switch {
  width: 36px;
  height: 20px;
  background: #333;
  border-radius: 4px;
  border: 2px solid #555;
  cursor: pointer;
  position: relative;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.5);
}

.switch-handle {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  background: linear-gradient(180deg, #ddd, #999);
  border-radius: 2px;
  transition: left 0.15s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

.switch-handle.on {
  left: 18px;
}

.momentary-switch {
  font-family: var(--font);
  font-size: 7px;
  background: linear-gradient(180deg, #888, #555);
  color: #222;
  border: 2px solid #666;
  border-radius: 4px;
  padding: 4px 8px;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0,0,0,0.5);
  transition: transform 0.1s;
}

.momentary-switch:active {
  transform: translateY(2px);
  box-shadow: none;
}

/* Controller */
#controller-area {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}

.joystick-panel {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--plastic);
  border: 2px solid #333;
  border-radius: 10px;
  padding: 15px;
}

.dpad {
  display: grid;
  grid-template-areas:
    ". up ."
    "left center right"
    ". down .";
  grid-template-columns: 32px 32px 32px;
  grid-template-rows: 32px 32px 32px;
  gap: 2px;
}

.dpad-btn {
  font-size: 14px;
  background: #333;
  color: #aaa;
  border: 2px solid #555;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.1s;
  user-select: none;
  -webkit-user-select: none;
}

.dpad-btn:active, .dpad-btn.pressed {
  background: var(--amber-dim);
  color: white;
  transform: scale(0.95);
}

.dpad-btn.up { grid-area: up; }
.dpad-btn.left { grid-area: left; }
.dpad-btn.right { grid-area: right; }
.dpad-btn.down { grid-area: down; }
.dpad-center { grid-area: center; background: #222; border-radius: 50%; }

.fire-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #ff6644, #cc2200);
  border: 3px solid #881100;
  color: white;
  font-family: var(--font);
  font-size: 8px;
  cursor: pointer;
  box-shadow: 0 4px 8px rgba(0,0,0,0.5);
  transition: all 0.1s;
  user-select: none;
  -webkit-user-select: none;
}

.fire-btn:active, .fire-btn.pressed {
  transform: scale(0.92);
  box-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

.key-map {
  font-size: 7px;
  color: var(--text-dim);
  line-height: 2;
}

/* Audio Section */
#audio-section {
  width: 100%;
  max-width: 400px;
}

.audio-panel {
  background: var(--bg2);
  border: 2px solid #333;
  border-radius: 8px;
  padding: 10px;
}

.audio-panel h3 {
  font-size: 8px;
  color: var(--amber);
  margin-bottom: 8px;
  text-align: center;
}

.audio-channels {
  display: flex;
  gap: 10px;
  margin-bottom: 8px;
}

.channel {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 7px;
  color: var(--text-dim);
}

.vu-meter {
  flex: 1;
  height: 8px;
  background: #222;
  border-radius: 4px;
  overflow: hidden;
}

.vu-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--green), #ffdc00, var(--red));
  transition: width 0.1s;
  border-radius: 4px;
}

.audio-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.audio-controls input[type=range] {
  flex: 1;
}

/* Retro Button */
.retro-btn {
  font-family: var(--font);
  font-size: 9px;
  background: linear-gradient(180deg, var(--amber), var(--amber-dim));
  color: #000;
  border: 2px solid var(--amber-dim);
  border-radius: 4px;
  padding: 6px 14px;
  cursor: pointer;
  text-transform: uppercase;
  box-shadow: 0 2px 4px rgba(0,0,0,0.4);
  transition: all 0.1s;
}

.retro-btn:hover {
  background: var(--amber-glow);
}

.retro-btn:active {
  transform: translateY(1px);
  box-shadow: none;
}

.retro-btn.small {
  font-size: 7px;
  padding: 3px 8px;
}

/* Sidebars */
.sidebar {
  width: 260px;
  min-width: 260px;
  transition: all 0.3s;
  position: relative;
}

.sidebar.collapsed .sidebar-content {
  display: none;
}

.sidebar.collapsed {
  width: 40px;
  min-width: 40px;
}

.sidebar-toggle {
  font-family: var(--font);
  font-size: 8px;
  background: var(--bg2);
  color: var(--amber);
  border: 1px solid #333;
  border-radius: 4px;
  padding: 6px 8px;
  cursor: pointer;
  width: 100%;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
}

.sidebar-content {
  background: var(--bg2);
  border: 1px solid #333;
  border-radius: 0 0 8px 8px;
  padding: 8px;
  max-height: 80vh;
  overflow-y: auto;
}

.sidebar-content::-webkit-scrollbar {
  width: 4px;
}

.sidebar-content::-webkit-scrollbar-thumb {
  background: var(--amber-dim);
  border-radius: 2px;
}

.debug-section {
  margin-bottom: 10px;
  border-bottom: 1px solid #333;
  padding-bottom: 8px;
}

.debug-section h3 {
  font-size: 7px;
  color: var(--amber);
  margin-bottom: 6px;
  letter-spacing: 1px;
}

.register-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}

.reg {
  display: flex;
  justify-content: space-between;
  background: #111;
  padding: 3px 6px;
  border-radius: 3px;
  border: 1px solid #333;
}

.reg-label { color: var(--text-dim); font-size: 8px; }
.reg-val { color: var(--green); font-size: 8px; transition: color 0.2s; }
.reg-val.flash { color: #fff; text-shadow: 0 0 6px var(--green); }

.flags-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.flag {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 7px;
  color: var(--text-dim);
}

.flag-led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red-dim);
  transition: all 0.2s;
}

.flag-led.on {
  background: var(--green);
  box-shadow: 0 0 4px var(--green);
}

.instr-display {
  font-size: 9px;
  color: var(--amber-glow);
  background: #111;
  padding: 4px 6px;
  border-radius: 3px;
  border: 1px solid #333;
  word-break: break-all;
}

.cycle-display {
  font-size: 9px;
  color: var(--green);
}

input[type=range] {
  -webkit-appearance: none;
  height: 6px;
  background: #333;
  border-radius: 3px;
  outline: none;
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--amber);
  border-radius: 50%;
  cursor: pointer;
}

.mem-viewer {
  font-size: 6px;
  font-family: monospace;
  color: var(--text-dim);
  background: #0a0a0a;
  padding: 4px;
  border-radius: 3px;
  max-height: 200px;
  overflow-y: auto;
  line-height: 1.6;
  word-break: break-all;
  white-space: pre-wrap;
}

.mem-viewer .highlight {
  color: var(--amber-glow);
  background: rgba(231,127,36,0.2);
}

/* TIA sidebar specifics */
.tia-colors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}

.color-swatch {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 7px;
}

.swatch {
  width: 16px;
  height: 16px;
  border: 1px solid #555;
  border-radius: 2px;
  background: #000;
}

.tia-reg-row {
  display: flex;
  justify-content: space-between;
  font-size: 7px;
  padding: 2px 4px;
  background: #111;
  border-radius: 2px;
  margin-bottom: 2px;
}

.tia-reg-row span:first-child { color: var(--text-dim); }
.tia-reg-row span:last-child { color: var(--green); }

.palette-grid {
  display: grid;
  grid-template-columns: repeat(16, 1fr);
  gap: 1px;
}

.palette-cell {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 1px;
  cursor: pointer;
  position: relative;
}

.palette-cell:hover::after {
  content: attr(title);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: #000;
  color: #fff;
  font-size: 6px;
  padding: 2px 4px;
  border-radius: 2px;
  white-space: nowrap;
  z-index: 10;
}

/* Status Bar */
#status-bar {
  display: flex;
  justify-content: center;
  gap: 20px;
  padding: 8px;
  font-size: 7px;
  color: var(--text-dim);
  background: #111;
  border-top: 1px solid #333;
  flex-wrap: wrap;
}

/* Memory Map */
#mem-map {
  display: flex;
  max-width: 600px;
  margin: 5px auto;
  height: 12px;
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid #333;
}

.mm-seg {
  font-size: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-weight: bold;
}

.tia-seg { background: var(--amber); flex: 1; }
.ram-seg { background: var(--green); flex: 1; }
.riot-seg { background: #0074d9; flex: 1; }
.rom-seg { background: var(--red); flex: 4; opacity: 0.4; transition: opacity 0.3s; }
.rom-seg.loaded { opacity: 1; }

/* Footer */
#footer {
  position: relative;
  text-align: center;
  padding: 15px;
  font-size: 7px;
  color: var(--text-dim);
  border-top: 1px solid #222;
  line-height: 2;
  overflow: hidden;
}

#footer .scanline-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.1) 2px,
    rgba(0,0,0,0.1) 4px
  );
  pointer-events: none;
}

#footer a {
  color: var(--amber);
  text-decoration: none;
}

#footer a:hover {
  text-decoration: underline;
}

.disclaimer {
  font-size: 6px;
  color: #555;
}

/* Responsive */
@media (max-width: 1000px) {
  .sidebar {
    width: 40px;
    min-width: 40px;
  }
  .sidebar .sidebar-content {
    display: none;
  }
  .sidebar.expanded {
    position: fixed;
    top: 0;
    bottom: 0;
    z-index: 100;
    width: 280px;
    min-width: 280px;
    background: var(--bg);
  }
  .sidebar.expanded .sidebar-content {
    display: block;
  }
  .sidebar.right.expanded {
    right: 0;
  }
  .sidebar:not(.right).expanded {
    left: 0;
  }
}

@media (max-width: 600px) {
  #main-layout {
    flex-direction: column;
    align-items: center;
  }
  .sidebar {
    width: 100% !important;
    min-width: 0 !important;
  }
  .sidebar.collapsed {
    width: 100% !important;
  }
  .sidebar.collapsed .sidebar-content {
    display: none;
  }
  .tv-bezel {
    padding: 10px;
    border-radius: 12px;
  }
  .switch-row {
    gap: 6px;
  }
  .switch-group label {
    font-size: 6px;
  }
  .dpad {
    grid-template-columns: 28px 28px 28px;
    grid-template-rows: 28px 28px 28px;
  }
  .fire-btn {
    width: 50px;
    height: 50px;
  }
}