:root {
  --font-display: "Bungee", system-ui, sans-serif;
  --font-body: "Kanit", system-ui, sans-serif;

  --radius-lg: 18px;
  --radius-xl: 22px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;

  /* Required by spec (theme files set values) */
  --bg-color: #0b1020;
  --text-color: #f7f6f1;
  --card-bg: rgba(16, 22, 40, 0.78);
  --accent-color: #3cfffa;
  --accent-glow: rgba(60, 255, 250, 0.35);
  --accent-glow-soft: rgba(60, 255, 250, 0.16);
  --button-bg: rgba(196, 255, 26, 0.9);
  --button-text: #090c11;

  /* Internal aliases used by existing styles */
  --text: var(--text-color);
  --muted: rgba(247, 246, 241, 0.72);
  --panel: var(--card-bg);
  --stroke: rgba(255, 255, 255, 0.12);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.55);

  --cyan: #3cfffa;
  --pink: #ff4fd8;
  --lime: #c4ff1a;
  --purple: #9b4dff;

  /* Neon color aliases for consistent use */
  --neon-cyan: var(--cyan);
  --neon-pink: var(--pink);
  --neon-lime: var(--lime);
  --neon-purple: var(--purple);

  /* Text color variations */
  --text-light: rgba(247, 246, 241, 0.85);

  --focus-ring: 0 0 0 3px rgba(60, 255, 250, 0.55);
}

html,
body {
  height: 100%;
}

html {
  background: var(--bg-color);
}

body {
  margin: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden; /* no body scroll */
  font-family: var(--font-body);
  font-size: 18px; /* Base font size - increased from default 16px */
  line-height: 1.6; /* Improved line height for better readability */
  color: var(--text-color);
  background: var(--bg-color);
  touch-action: manipulation;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}