/* Modern Retro Arcade Styling for Rockfall Remaster */
:root {
  --bg-color: #0d0f14;
  --panel-bg: #151922;
  --border-color: #2a3346;
  --accent-cyan: #00f0ff;
  --accent-magenta: #ff0077;
  --accent-yellow: #ffe600;
  --accent-green: #00ff66;
  --text-primary: #e2e8f0;
  --font-retro: 'Press Start 2P', monospace, sans-serif;
  --font-mono: 'Share Tech Mono', monospace, sans-serif;
}

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

html, body {
  width: 100%;
  height: 100%;
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-retro);
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

#app-container {
  display: flex;
  flex-direction: column;
  width: 100vw;
  height: 100vh;
  max-width: 1280px;
  max-height: 900px;
  background: var(--panel-bg);
  border: 2px solid var(--border-color);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.15), 0 0 80px rgba(0, 0, 0, 0.8);
  border-radius: 8px;
  overflow: hidden;
}

/* Header / Status Bar */
#game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background: #090b10;
  border-bottom: 2px solid var(--border-color);
  font-size: 13px;
  letter-spacing: 1px;
}

.hud-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hud-label {
  color: #7a889b;
}

.hud-val {
  color: var(--accent-cyan);
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.6);
}

.hud-jewels-box .hud-val {
  color: var(--accent-yellow);
  text-shadow: 0 0 10px rgba(255, 230, 0, 0.8);
}

.arcade-hud-btn {
  background: rgba(255, 0, 119, 0.15);
  color: #ff3388;
  border: 1px solid rgba(255, 0, 119, 0.5);
  font-family: var(--font-retro);
  font-size: 9px;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: 0 0 8px rgba(255, 0, 119, 0.2);
}

.arcade-hud-btn:hover {
  background: var(--accent-magenta);
  color: #ffffff;
  border-color: #ff0077;
  box-shadow: 0 0 15px rgba(255, 0, 119, 0.6);
  transform: translateY(-1px);
}

.arcade-hud-btn:active {
  transform: translateY(1px);
}

.pulse {
  animation: pulse-anim 1.2s infinite alternate;
}

@keyframes pulse-anim {
  from { transform: scale(1); filter: brightness(1); }
  to { transform: scale(1.08); filter: brightness(1.3); }
}

/* Main Canvas Wrapper */
#canvas-wrapper {
  position: relative;
  flex: 1;
  width: 100%;
  min-height: 0;
  background: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

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

/* Overlay Card */
#game-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10;
  backdrop-filter: blur(4px);
  transition: opacity 0.3s ease;
}

#game-overlay.hidden {
  display: none;
}

#overlay-card {
  background: #151a24;
  border: 2px solid var(--accent-cyan);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.4);
  padding: 32px 48px;
  text-align: center;
  border-radius: 8px;
  animation: pop-in 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes pop-in {
  from { transform: scale(0.8); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

#overlay-title {
  font-size: 20px;
  color: var(--accent-yellow);
  margin-bottom: 12px;
  text-shadow: 0 0 10px rgba(255, 230, 0, 0.6);
}

#overlay-subtitle {
  font-size: 13px;
  color: #94a3b8;
  margin-bottom: 24px;
}

.arcade-btn {
  background: var(--accent-magenta);
  color: #fff;
  border: none;
  font-family: var(--font-retro);
  font-size: 12px;
  padding: 12px 24px;
  border-radius: 4px;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(255, 0, 119, 0.4);
  transition: transform 0.1s, box-shadow 0.1s;
}

.arcade-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 0, 119, 0.6);
}

.arcade-btn:active {
  transform: translateY(1px);
}

/* Toolbar Footer */
#game-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background: #090b10;
  border-top: 2px solid var(--border-color);
  font-size: 11px;
  gap: 16px;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.arcade-select {
  background: #1a2232;
  color: var(--accent-cyan);
  border: 1px solid var(--border-color);
  font-family: var(--font-retro);
  font-size: 10px;
  padding: 6px 10px;
  border-radius: 4px;
  outline: none;
  cursor: pointer;
}

.arcade-toggle-btn {
  background: #1a2232;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  font-family: var(--font-retro);
  font-size: 9px;
  padding: 8px 12px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.arcade-toggle-btn:hover {
  border-color: var(--accent-cyan);
  background: #232d42;
}

.arcade-toggle-btn .highlight {
  color: var(--accent-cyan);
  text-shadow: 0 0 6px rgba(0, 240, 255, 0.5);
}

input[type="range"] {
  accent-color: var(--accent-cyan);
  cursor: pointer;
  width: 120px;
  height: 6px;
  border-radius: 3px;
}

.fps-counter {
  font-family: var(--font-mono);
  font-size: 14px;
  color: #64748b;
}

.fps-counter span span {
  color: var(--accent-green);
}

/* Mobile Controls */
#mobile-controls {
  display: none;
  position: absolute;
  bottom: 70px;
  left: 20px;
  z-index: 5;
}

@media (max-width: 768px) {
  #mobile-controls {
    display: block;
  }
  #game-header {
    font-size: 10px;
    padding: 8px 12px;
  }
  #game-toolbar {
    font-size: 9px;
    padding: 8px 10px;
    gap: 8px;
  }
}

.d-pad {
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0.7;
}

.d-mid {
  display: flex;
  gap: 12px;
}

.d-btn {
  width: 48px;
  height: 48px;
  background: rgba(30, 41, 59, 0.85);
  border: 2px solid var(--accent-cyan);
  color: #fff;
  border-radius: 8px;
  font-size: 16px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
  touch-action: manipulation;
}

.d-btn:active {
  background: var(--accent-cyan);
  color: #000;
}