:root {
  /* === ЦВЕТА === */
  
  /* Brand Colors */
  --color-primary-light: #49a3f1;
  --color-primary: #1a73e8;
  --color-primary-gradient: linear-gradient(195deg, #49a3f1 0%, #1a73e8 100%);
  
  --color-success-light: #66bb6a;
  --color-success: #43a047;
  --color-success-gradient: linear-gradient(195deg, #66bb6a 0%, #43a047 100%);
  
  --color-warning-light: #ffa726;
  --color-warning: #fb8c00;
  --color-warning-gradient: linear-gradient(195deg, #ffa726 0%, #fb8c00 100%);
  
  --color-danger-light: #f44336;
  --color-danger: #d32f2f;
  --color-danger-gradient: linear-gradient(195deg, #f44336 0%, #d32f2f 100%);
  
  --color-info-light: #26C6DA;
  --color-info: #00ACC1;
  --color-info-gradient: linear-gradient(195deg, #26C6DA 0%, #00ACC1 100%);
  
  /* Text Colors */
  --color-text-primary: #344767;
  --color-text-secondary: #67748e;
  --color-text-disabled: #adb5bd;
  
  /* Background Colors */
  --color-bg-body: linear-gradient(195deg, #f0f2f5 0%, #e9ecef 100%);
  --color-bg-card: #ffffff;
  --color-bg-gray-light: #f8f9fa;
  --color-bg-gray: #e9ecef;
  
  /* Border Colors */
  --color-border-light: #f0f2f5;
  --color-border: #dee2e6;
  --color-border-dark: #adb5bd;
  
  /* Sidebar (Админка) */
  --color-sidebar-from: #42424a;
  --color-sidebar-to: #191919;
  --color-sidebar-gradient: linear-gradient(195deg, var(--color-sidebar-from) 0%, var(--color-sidebar-to) 100%);
  
  /* === РАЗМЕРЫ === */
  
  /* Spacing */
  --spacing-xs: 3.2px;
  --spacing-sm: 6.4px;
  --spacing-md: 12.8px;
  --spacing-lg: 19.2px;
  --spacing-xl: 25.6px;
  --spacing-2xl: 38.4px;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* Font Sizes */
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 28px;
  
  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* === ТЕНИ === */
  
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 20px 27px 0 rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 40px 0 rgba(0,0,0,0.08);
  
  /* Специфичные тени для кнопок */
  --shadow-btn-primary: 0 3px 5px -1px rgba(73,163,241,.2);
  --shadow-btn-success: 0 3px 5px -1px rgba(102,187,106,.2);
  --shadow-btn-danger: 0 3px 5px -1px rgba(244,67,54,.2);
  
  /* === TRANSITIONS === */
  
  --transition-fast: all 0.15s ease;
  --transition-base: all 0.2s ease;
  --transition-slow: all 0.3s ease;
  
  /* === Z-INDEX === */
  
  --z-index-dropdown: 1000;
  --z-index-sticky: 1020;
  --z-index-fixed: 1030;
  --z-index-modal-backdrop: 1040;
  --z-index-modal: 1050;
  --z-index-popover: 1060;
  --z-index-tooltip: 1070;
}