:root {
  /* Color Palette */
  --color-primary: #141413;
  --color-primary-dark: #141413;
  --color-secondary: #141413;
  --color-secondary-dark: #141413;
  --color-accent: #141413;
  --color-error: #e74c3c;
  --color-warning: #f39c12;
  --color-success: #2ecc71;
  
  /* Background Colors */
  --bg-main: #f4f3ed;
  --bg-card: #f4f3ed;
  --bg-header: #141413;
  --bg-instructions: #ecebe3;
  --bg-input: #f4f3ed;
  --bg-result: #ecebe3;
  --bg-parameter: #ecebe3;
  
  /* Text Colors */
  --text-primary: #3d3a2a;
  --text-secondary: #3d3a2a;
  --text-muted: #3d3a2a;
  --text-light: #f4f3ed;
  --link-color: #3d3a2a;
  
  /* Border Colors */
  --border-color: #d3d2ca;
  --border-focus: #d7e600;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  
  /* Typography */
  --font-family: 'ForSmartSans', Arial, sans-serif;
  --heading-font: 'ForSmartSans', Arial, sans-serif;
  --code-font: 'ForSmartSans', Arial, sans-serif;
  --font-size-xs: 0.85rem;
  --font-size-sm: 0.9rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.1rem;
  --font-size-xl: 1.5rem;
  --font-size-xxl: 2.5rem;
  
  /* Border Radius */
  --border-radius-sm: 0.6rem;
  --border-radius-md: 0.6rem;
  
  /* Box Shadow */
  --shadow-sm: 0 1px 4px rgba(20,20,19,0.04);
  --shadow-md: 0 2px 8px rgba(20,20,19,0.08);
  --shadow-lg: 0 8px 32px rgba(20,20,19,0.08), 0 1.5px 6px rgba(0,0,0,0.04);
  
  /* Animation */
  --transition-speed: 0.2s;
  
  /* Code */
  --code-bg-color: #ecebe4;
  
  /* Layout */
  --container-width-sm: 600px;
  --container-width-md: 800px;
  --container-width-lg: 1000px;
}