:root {
  /* ChatGPT-inspired color palette */
  --bg-primary: #0f0f0f;
  --bg-secondary: #1a1a1a;
  --bg-tertiary: #2a2a2a;
  --bg-chat: #212121;
  --bg-input: #2f2f2f;
  --bg-hover: #3a3a3a;
  
  /* Text colors */
  --text-primary: #ffffff;
  --text-secondary: #b4b4b4;
  --text-muted: #8e8e8e;
  --text-accent: #10a37f;
  
  /* Accent colors */
  --accent-primary: #10a37f;
  --accent-hover: #0d8a6b;
  --accent-light: #19c97f;
  --success: #10a37f;
  --warning: #ff8c00;
  --error: #ff4444;
  --info: #4a9eff;
  
  /* Borders and shadows */
  --border-light: rgba(255, 255, 255, 0.1);
  --border-medium: rgba(255, 255, 255, 0.2);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  
  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Monaco", "Inconsolata", "Roboto Mono", "Source Code Pro", monospace;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  /* Border radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.2s ease;
  --transition-slow: 0.3s ease;
}