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

html, body, #root {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
  background: #050510;
  color: #e0e0e0;
}

/* ========================================
   Quest Log App Scope
   ======================================== */
.quest-app {
  position: relative;
  width: 100vw;
  height: 100vh;
  background: #1a1a2e;
}

.quest-app #game-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.quest-app #game-container canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

/* ========================================
   Entropy App Scope — Theme: Glassmorphism
   ======================================== */
[data-theme="glass"] {
  --bg: #080818;
  --bg-secondary: #10102a;
  --card-bg: rgba(255, 255, 255, 0.04);
  --card-bg-hover: rgba(255, 255, 255, 0.08);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-border-hover: rgba(0, 212, 255, 0.4);
  --card-blur: 20px;
  --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  --accent: #00d4ff;
  --accent-secondary: #7b61ff;
  --accent-glow: rgba(0, 212, 255, 0.15);
  --text: #e8e8f0;
  --text-secondary: #7777aa;
  --text-muted: #444466;
  --skill-bg: rgba(0, 212, 255, 0.06);
  --skill-border: rgba(0, 212, 255, 0.25);
  --modal-bg: rgba(8, 8, 24, 0.96);
  --modal-border: rgba(0, 212, 255, 0.15);
  --control-bg: rgba(255, 255, 255, 0.04);
  --control-border: rgba(255, 255, 255, 0.08);
  --spring-color: rgba(0, 212, 255, 0.12);
  --grid-color: rgba(255, 255, 255, 0.015);
}

/* ========================================
   Entropy App Scope — Theme: Cyberpunk
   ======================================== */
[data-theme="cyber"] {
  --bg: #05080f;
  --bg-secondary: #0a1020;
  --card-bg: rgba(255, 0, 110, 0.04);
  --card-bg-hover: rgba(255, 0, 110, 0.08);
  --card-border: rgba(255, 0, 110, 0.2);
  --card-border-hover: rgba(255, 0, 110, 0.6);
  --card-blur: 12px;
  --card-shadow: 0 0 20px rgba(255, 0, 110, 0.08), 0 0 60px rgba(0, 255, 136, 0.03);
  --accent: #ff006e;
  --accent-secondary: #00ff88;
  --accent-glow: rgba(255, 0, 110, 0.12);
  --text: #e0ffe8;
  --text-secondary: #66ddaa;
  --text-muted: #2a5544;
  --skill-bg: rgba(0, 255, 136, 0.05);
  --skill-border: rgba(0, 255, 136, 0.25);
  --modal-bg: rgba(5, 8, 15, 0.97);
  --modal-border: rgba(255, 0, 110, 0.25);
  --control-bg: rgba(255, 0, 110, 0.04);
  --control-border: rgba(255, 0, 110, 0.15);
  --spring-color: rgba(255, 0, 110, 0.1);
  --grid-color: rgba(255, 0, 110, 0.02);
}

.entropy-app {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  transition: background 0.5s ease, color 0.5s ease;
}

.entropy-app::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
  transition: background-image 0.5s ease;
}

/* ========================================
   Shared Physics Bodies (DOM overlay)
   ======================================== */
.physics-body {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  will-change: transform;
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

@keyframes borderGlow {
  0%, 100% { border-color: var(--card-border); box-shadow: var(--card-shadow); }
  50% { border-color: var(--card-border-hover); box-shadow: var(--card-shadow), 0 0 20px var(--accent-glow); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}