/* Joint Reconstruction Training - Globus Medical Design Tokens */
:root {
  /* Brand Colors */
  --primary: #002f73;
  --primary-light: #004D99;
  --primary-dark: #001d4d;
  --accent: #007c9f;
  --accent-hover: #0090b9;
  --accent-bright: #3CC6E7;
  --accent-light: #E6F5F8;

  /* Secondary Colors (Globus Red) */
  --secondary: #C41E3A;
  --secondary-light: #FDE8EC;
  --secondary-dark: #9C1830;

  /* Semantic Colors (Tristate Status) */
  --success: #00875A;
  --success-light: #E3FCEF;
  --warning: #FF8B00;
  --warning-light: #FFF4E5;
  --error: #DE350B;
  --error-light: #FFEBE6;

  /* Text */
  --text-heading: #202427;
  --text-body: #656b70;
  --text-secondary: #8C919A;

  /* Backgrounds */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F7F8FA;
  --bg-tertiary: #F0F0F0;

  /* Borders */
  --border-subtle: #EBECF0;
  --border-medium: rgba(0, 0, 0, 0.12);

  /* Neutrals (legacy compat) */
  --neutral-50: #FFFFFF;
  --neutral-100: #F7F8FA;
  --neutral-200: #EBECF0;
  --neutral-300: #DFE1E6;
  --neutral-400: #B3BAC5;
  --neutral-500: #8C919A;
  --neutral-600: #656b70;
  --neutral-700: #656b70;
  --neutral-800: #202427;
  --neutral-900: #202427;

  /* Typography */
  --font-family: 'Indivisible', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, 'Consolas', monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --line-height-tight: 1.2;
  --line-height-base: 1.6;
  --line-height-loose: 1.8;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing (8px grid) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-8: 4rem;
  --space-10: 5rem;

  /* Layout */
  --sidebar-width: 280px;
  --content-max-width: 880px;
  --header-height: 0px;
  --border-radius-sm: 4px;
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;

  /* Shadows (restrained) */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 8px 24px rgba(0, 0, 0, 0.1);

  /* Transitions (clinical, no bounce) */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease-in-out;
  --transition-slow: 400ms ease;
}