:root {
  /* Primary */
  --color-primary: #4A90D9;
  --color-primary-light: #6BA5E7;
  --color-primary-dark: #3570B0;
  --color-primary-bg: #EEF4FB;

  /* Accent */
  --color-success: #52C41A;
  --color-success-bg: #F0FAE8;
  --color-warning: #FAAD14;
  --color-warning-bg: #FFF8E6;
  --color-danger: #FF4D4F;
  --color-danger-bg: #FFF0F0;

  /* Background */
  --bg-body: #F0F2F5;
  --bg-sidebar: #1E293B;
  --bg-card: #FFFFFF;
  --bg-hover: #F8F9FB;

  /* Text */
  --color-text: #1F2937;
  --color-text-secondary: #6B7280;
  --color-text-muted: #9CA3AF;
  --color-text-inverse: #FFFFFF;

  /* Border */
  --color-border: #E5E7EB;
  --color-border-light: #F3F4F6;

  /* Shadow */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* Spacing */
  --sidebar-width: 240px;
  --header-height: 0px;
  --content-padding: 32px;

  /* Transition */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;

  /* Font sizes */
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.25rem;
  --fs-2xl: 1.5rem;
  --fs-3xl: 1.875rem;
}

[data-theme="dark"] {
  --color-primary: #5B9FE8;
  --color-primary-light: #7DB8F0;
  --color-primary-dark: #4A85CC;
  --color-primary-bg: #1A2A3D;

  --bg-body: #111827;
  --bg-sidebar: #0F172A;
  --bg-card: #1F2937;
  --bg-hover: #2D3748;

  --color-text: #F3F4F6;
  --color-text-secondary: #D1D5DB;
  --color-text-muted: #9CA3AF;
  --color-text-inverse: #1F2937;

  --color-border: #374151;
  --color-border-light: #2D3748;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}