/* Guitar Buddha — obsidian Palette (Deep neutrals) */
:root {
  --ch-900:#111110; --ch-800:#1A1918; --ch-700:#222120;
  --ch-600:#343330; --ch-500:#6B6862; --ch-400:#A8A59E; --ch-300:#EDEBE6;
  --ru-500:#C15F3C; --ru-400:#B87A55; --ru-600:#8d4a28;
  --cr-100:#EDEBE6; --cr-200:#D5D2CC; --cr-400:#A8A59E;

  /* Typography */
  --f-b: 'DM Sans', -apple-system, system-ui, sans-serif;
  --f-m: 'DM Mono', 'SF Mono', monospace;
  --f-d: 'Bricolage Grotesque', -apple-system, system-ui, sans-serif;
  --f-h: 'Caveat', cursive;

  /* Accents */
  --accent-cool: #5a8fa8;
  --accent-success: #6b9d7a;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.15);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.25);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.35);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.5);

  /* Glass */
  --glass-1: rgba(46,45,43,0.45);
  --glass-2: rgba(46,45,43,0.25);
  --glass-3: rgba(46,45,43,0.15);
  --glass-bg: rgba(26,25,24,0.90);
  --glass-bg-strong: rgba(26,25,24,0.92);

  /* Gradients */
  --bg-gradient: linear-gradient(165deg, #222120 0%, #1A1918 40%, #1e1d1c 100%);
  --accent-gradient: linear-gradient(90deg, #C15F3C, #A8A59E, #B87A55);

  /* SVG stroke color for diagrams */
  --diagram-stroke: #6B6862;
  --diagram-nut: #D5D2CC;
  --diagram-dot: #C15F3C;
  --diagram-tone: #EDEBE6;
}