:root {
  --bg-dark: #0f141c;
  --menu-bg: #1e293b;
  --menu-border: #475569;
  --frame-gold: #f59e0b;
  --accent-blue: #38bdf8;
  --accent-green: #22c55e;
  --accent-red: #ef4444;
  --text-white: #f8fafc;
  --text-dim: #94a3b8;
  --font-pixel: 'Press Start 2P', monospace;
  --font-sub: 'VT323', monospace;
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-dark);
  font-family: var(--font-pixel);
  color: var(--text-white);
}

/* CRT Scanline and Vignette Effects */
.crt-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  background: linear-gradient(
    rgba(18, 24, 32, 0) 50%,
    rgba(0, 0, 0, 0.35) 50%
  ),
  radial-gradient(circle at center, transparent 65%, rgba(0, 0, 0, 0.75) 100%);
  background-size: 100% 4px, 100% 100%;
  z-index: 1000;
  transition: opacity 0.3s;
}

.crt-overlay.disabled {
  opacity: 0;
}

/* Master Game Portal Container */
#game-portal {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}

/* Animated Canvas Background */
#title-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

/* Top HUD */
.hud-top {
  position: relative;
  z-index: 10;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2rem;
}

.version-tag {
  font-size: 0.6rem;
  color: var(--text-dim);
  letter-spacing: 1px;
}

.status-tags {
  display: flex;
  gap: 0.75rem;
}

.hud-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.55rem;
  padding: 6px 12px;
  border-radius: 4px;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--menu-border);
  backdrop-filter: blur(4px);
}

.indicator-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-red);
}

.hud-pill.connected .indicator-dot {
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

.hud-pill.connected {
  border-color: var(--accent-green);
  color: #fff;
}

/* Screen Transitions */
.screen-view {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 680px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 1rem;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.screen-view.hidden {
  display: none !important;
  opacity: 0;
  transform: scale(0.96);
}

.screen-view.active {
  display: flex;
  opacity: 1;
  transform: scale(1);
}

/* Intro Screen Branding */
.title-logo-container {
  text-align: center;
  margin-bottom: 3.5rem;
}

.sub-title {
  font-size: clamp(0.55rem, 1.5vw, 0.75rem);
  color: var(--frame-gold);
  letter-spacing: 2px;
  margin-bottom: 0.75rem;
  text-shadow: 2px 2px 0px #000;
}

.main-title {
  font-size: clamp(2rem, 5.5vw, 3.8rem);
  line-height: 1.15;
  color: #ffffff;
  text-shadow: 
    4px 4px 0px #0f172a,
    6px 6px 0px var(--frame-gold),
    8px 8px 0px rgba(0, 0, 0, 0.8);
}

.main-title .highlight {
  color: var(--frame-gold);
  text-shadow: 
    4px 4px 0px #0f172a,
    6px 6px 0px #ffffff,
    8px 8px 0px rgba(0, 0, 0, 0.8);
}

.press-start-container {
  text-align: center;
  background: rgba(15, 23, 42, 0.8);
  border: 2px solid var(--menu-border);
  padding: 1.25rem 2rem;
  border-radius: 6px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.6);
}

.blink-text {
  font-size: clamp(0.75rem, 2vw, 1rem);
  color: var(--frame-gold);
  margin-bottom: 0.6rem;
  animation: pulseBlink 1.1s infinite steps(2, start);
}

.press-hint {
  font-family: var(--font-sub);
  font-size: 1.25rem;
  color: var(--text-dim);
}

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

/* Classic Pokémon-Style Windows / Menus */
.menu-box {
  width: 100%;
  background: rgba(22, 33, 49, 0.94);
  border: 4px solid var(--menu-border);
  outline: 3px solid #000000;
  border-radius: 6px;
  padding: 1.5rem;
  box-shadow: 
    0 12px 30px rgba(0, 0, 0, 0.8),
    inset 0 0 0 2px rgba(255, 255, 255, 0.1);
}

.modal-box.wide {
  max-width: 740px;
}

.menu-header {
  border-bottom: 3px dashed var(--menu-border);
  padding-bottom: 0.75rem;
  margin-bottom: 1.25rem;
}

.menu-title {
  font-size: 0.85rem;
  color: var(--frame-gold);
  letter-spacing: 1px;
}

/* Nav Item Lists */
.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  font-size: 0.8rem;
  color: var(--text-dim);
  border-radius: 4px;
  cursor: pointer;
  background: rgba(15, 23, 42, 0.4);
  border: 1px solid transparent;
  transition: background 0.1s, transform 0.1s;
}

.nav-item .arrow {
  opacity: 0;
  color: var(--frame-gold);
  transform: translateX(-4px);
  transition: opacity 0.1s, transform 0.1s;
}

.nav-item.selected {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--accent-blue);
  color: #fff;
  transform: translateX(4px);
}

.nav-item.selected .arrow {
  opacity: 1;
  transform: translateX(0);
}

.nav-item .item-value {
  margin-left: auto;
  font-size: 0.7rem;
  color: var(--frame-gold);
}

/* Settings Embedded Controller Monitor */
.controller-debug-panel {
  margin-top: 1.5rem;
  padding: 1rem;
  background: rgba(10, 15, 24, 0.8);
  border: 1px solid var(--menu-border);
  border-radius: 4px;
}

.debug-title {
  font-size: 0.55rem;
  color: var(--text-dim);
  margin-bottom: 0.4rem;
}

.debug-name {
  font-family: var(--font-sub);
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 0.8rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.debug-buttons-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.chip {
  font-size: 0.6rem;
  padding: 4px 8px;
  border-radius: 3px;
  background: #1e293b;
  border: 1px solid #334155;
  color: var(--text-dim);
}

.chip.active {
  background: var(--accent-green);
  border-color: #fff;
  color: #0f172a;
}

/* Controls Grid */
.controls-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 600px) {
  .controls-content {
    grid-template-columns: 1fr;
  }
}

.control-column h3 {
  font-size: 0.7rem;
  color: var(--frame-gold);
  margin-bottom: 0.85rem;
}

.control-column .row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-sub);
  font-size: 1.15rem;
  color: var(--text-dim);
  border-bottom: 1px dashed rgba(71, 85, 105, 0.5);
  padding: 0.3rem 0;
}

.key {
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  color: #fff;
}

/* Credits Content */
.credits-text {
  text-align: center;
  font-family: var(--font-sub);
  font-size: 1.35rem;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.credit-head {
  font-family: var(--font-pixel);
  font-size: 0.85rem;
  color: var(--frame-gold);
}

.highlight-credit {
  color: var(--accent-blue);
}

/* Bottom Controller Prompt Bar */
.hud-bottom {
  position: relative;
  z-index: 10;
  width: 100%;
  background: rgba(15, 23, 42, 0.95);
  border-top: 2px solid var(--menu-border);
  padding: 0.75rem 1.5rem;
  display: flex;
  justify-content: center;
}

.prompt-cluster {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
  font-size: 0.6rem;
  color: var(--text-dim);
}

.prompt-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-bubble {
  padding: 3px 6px;
  border-radius: 4px;
  font-weight: bold;
}

.btn-bubble.ps {
  background: #1e293b;
  border: 1px solid #60a5fa;
  color: #60a5fa;
}

.btn-bubble.kb {
  background: #334155;
  border: 1px solid #94a3b8;
  color: #f8fafc;
}