:root {
  --color-primary: #3b5998;
  --color-primary-hover: #2c3e50;
  --color-primary-light: #8b9dc3;
  --color-primary-dark: #2c3e50;
  --color-primary-rgb: 59, 89, 152;
  --color-primary-light-rgb: 139, 157, 195;
  --color-primary-dark-rgb: 44, 62, 80;
  --color-primary-alpha-10: rgba(59, 89, 152, 0.1);

  --color-secondary: #f8f9fa;
  --color-secondary-rgb: 248, 249, 250;
  --color-secondary-alpha-10: rgba(248, 249, 250, 0.1);

  --color-success: #1cc88a;
  --color-success-hover: #1aa179;
  --color-success-light: #d4edda;
  --color-success-dark: #155724;
  --color-success-rgb: 28, 200, 138;
  --color-success-alpha-10: rgba(28, 200, 138, 0.1);
  --color-success-alpha-20: rgba(28, 200, 138, 0.2);

  --color-warning: #f6c23e;
  --color-warning-hover: #e0a800;
  --color-warning-dark-hover: #d39e00;
  --color-warning-light: #fff3cd;
  --color-warning-dark: #856404;
  --color-warning-rgb: 246, 194, 62;
  --color-warning-alpha-10: rgba(246, 194, 62, 0.1);

  --color-danger: #e74a3b;
  --color-danger-hover: #c82333;
  --color-danger-dark-hover: #bd2130;
  --color-danger-light: #f8d7da;
  --color-danger-dark: #721c24;
  --color-danger-rgb: 231, 74, 59;
  --color-danger-alpha-10: rgba(231, 74, 59, 0.1);
  --color-danger-alpha-20: rgba(231, 74, 59, 0.2);

  --color-info: #36b9cc;
  --color-info-hover: #138496;
  --color-info-dark-hover: #117a8b;
  --color-info-light: #d1ecf1;
  --color-info-dark: #0c5460;
  --color-info-rgb: 54, 185, 204;
  --color-info-alpha-10: rgba(54, 185, 204, 0.1);

  --color-success-light-rgb: 212, 237, 218;
  --color-success-dark-rgb: 21, 87, 36;
  --color-warning-light-rgb: 255, 243, 205;
  --color-warning-dark-rgb: 133, 100, 4;
  --color-danger-light-rgb: 248, 215, 218;
  --color-danger-dark-rgb: 114, 28, 36;
  --color-info-light-rgb: 209, 236, 241;
  --color-info-dark-rgb: 12, 84, 96;

  --gray-50: #f8f9fa;
  --gray-100: #e3e6ea;
  --gray-150: #f0f0f0;
  --gray-200: #e2e6ea;
  --gray-250: #e0e0e0;
  --gray-300: #dae0e5;
  --gray-350: #ddd;
  --gray-400: #adb5bd;
  --gray-450: #999;
  --gray-475: #888;
  --gray-500: #6c757d;
  --gray-525: #777;
  --gray-550: #666;
  --gray-600: #495057;
  --gray-650: #3a3f44;
  --gray-700: #343a40;
  --gray-800: #23272b;
  --gray-850: #2a2a2a;
  --gray-875: #1f1f1f;
  --gray-900: #1d2124;
  --gray-925: #161b22;
  --gray-950: #30363d;

  --gray-100-rgb: 248, 249, 250;
  --gray-200-rgb: 226, 230, 234;
  --gray-300-rgb: 218, 224, 229;
  --gray-500-rgb: 108, 117, 125;
  --gray-700-rgb: 52, 58, 64;
  --gray-800-rgb: 35, 39, 43;

  --color-text: #333333;
  --color-text-light: #6c757d;
  --color-text-muted: #858796;
  --color-text-very-dark: #1a1a1a;

  --color-bg: #f5f7fa;
  --color-bg-light: #ffffff;
  --color-bg-lighter: #f5f5f5;
  --color-bg-lightest: #f9f9f9;
  --color-bg-dark: #2c3e50;

  --color-border: #e3e6f0;

  --color-bg-light-rgb: 255, 255, 255;
  --overlay-light: rgba(255, 255, 255, 0.08);
  --overlay-light-10: rgba(255, 255, 255, 0.1);
  --overlay-medium: rgba(255, 255, 255, 0.15);
  --overlay-light-20: rgba(255, 255, 255, 0.2);
  --overlay-light-50: rgba(255, 255, 255, 0.5);
  --overlay-light-70: rgba(255, 255, 255, 0.7);
  --overlay-light-85: rgba(255, 255, 255, 0.85);
  --overlay-dark: rgba(0, 0, 0, 0.05);
  --overlay-dark-10: rgba(0, 0, 0, 0.1);
  --overlay-dark-12: rgba(0, 0, 0, 0.12);
  --overlay-dark-15: rgba(0, 0, 0, 0.15);
  --overlay-dark-20: rgba(0, 0, 0, 0.2);
  --overlay-dark-25: rgba(0, 0, 0, 0.25);
  --overlay-dark-30: rgba(0, 0, 0, 0.3);
  --overlay-dark-50: rgba(0, 0, 0, 0.5);
  --overlay-dark-60: rgba(0, 0, 0, 0.6);
  --overlay-hover: rgba(0, 0, 0, 0.075);
  --table-striped-bg: rgba(0, 0, 0, 0.05);
  --table-hover-bg: rgba(0, 0, 0, 0.075);
  --table-border-color: var(--color-border);

  --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-mono: 'Courier New', Courier, monospace;

  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-base: 1.5;
  --line-height-sm: 1.25;
  --line-height-lg: 1.75;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  --border-radius-none: 0;
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.375rem;
  --border-radius-lg: 0.5rem;
  --border-radius-xl: 1rem;
  --border-radius-full: 9999px;

  --border-width: 1px;
  --border-width-lg: 2px;

  --shadow-none: none;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.25);

  --shadow-dark-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.5);
  --shadow-dark-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.6);
  --shadow-dark-lg: 0 1rem 3rem rgba(0, 0, 0, 0.7);
  --shadow-dark-xl: 0 1.5rem 4rem rgba(0, 0, 0, 0.8);
  --shadow-dark-30: rgba(0, 0, 0, 0.3);

  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;

  --transition-easing-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-easing-emphasized: cubic-bezier(0.2, 0, 0, 1);

  --sidebar-width: 260px;
  --sidebar-collapsed-width: 70px;
  --topbar-height: 60px;

  --z-dropdown: 1030;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;

  --breakpoint-xs: 0;
  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 992px;
  --breakpoint-xl: 1200px;
  --breakpoint-xxl: 1400px;

  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-primary-reverse: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
  --gradient-fab-payment: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-fab-income: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-fab-user: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
  --gradient-success: linear-gradient(135deg, #28a745 0%, #218838 100%);
  --gradient-danger: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
  --gradient-warning: linear-gradient(135deg, #ffc107 0%, #e0a800 100%);
  --gradient-info: linear-gradient(135deg, #17a2b8 0%, #138496 100%);

  --color-success-alt: #28a745;

  --success-color: var(--color-success);
  --warning-color: var(--color-warning);
  --danger-color: var(--color-danger);

  --color-fab-primary: #667eea;
  --color-fab-primary-hover: #5568d3;
  --color-fab-secondary: #764ba2;
  --color-fab-primary-rgb: 102, 126, 234;
  --color-fab-shadow: rgba(102, 126, 234, 0.4);
  --color-fab-shadow-hover: rgba(102, 126, 234, 0.5);
  --color-fab-hover-bg: rgba(102, 126, 234, 0.08);
  --color-fab-active-bg: rgba(102, 126, 234, 0.15);

  --color-scrollbar-track: #f1f1f1;
  --color-scrollbar-thumb: #888;
  --color-scrollbar-thumb-hover: #555;
  --color-modal-footer-bg: #f8f9fa;
  --color-border-light: #dee2e6;
  --color-text-secondary: #6c757d;
  --color-text-dark: #212529;
  --color-bg-gray-light: #f8f9fa;
  --color-bg-border: #e9ecef;
  --color-text-primary-dark: #212121;
  --color-text-secondary-gray: #757575;
  --color-text-dark-mode: #e0e0e0;
  --color-text-dark-mode-muted: #9e9e9e;
  --color-dark-bg-menu: #1e1e1e;
  --color-dark-border: #333;
  --color-dark-shadow: rgba(0, 0, 0, 0.5);

  --color-bg-dark-mode: #0d1117;
  --color-bg-light-dark-mode: #161b22;
  --color-bg-dark-dark-mode: #010409;
  --color-bg-light-dark-mode-rgb: 22, 27, 34;
  --color-bg-light-dark-mode-alpha-95: rgba(22, 27, 34, 0.95);
  --color-bg-light-dark-mode-alpha-03: rgba(var(--color-bg-light-rgb), 0.03);
  --color-bg-light-dark-mode-alpha-05: rgba(var(--color-bg-light-rgb), 0.05);

  --color-text-dark-mode-main: #e6edf3;
  --color-text-light-dark-mode: #c9d1d9;
  --color-text-muted-dark-mode: #8b949e;
  --color-border-dark-mode: #30363d;

  --color-primary-dark-mode: #58a6ff;
  --color-primary-hover-dark-mode: #79b8ff;
  --color-primary-light-dark-mode: #388bfd;
  --color-primary-dark-dark-mode: #1f6feb;
  --color-primary-dark-mode-rgb: 88, 166, 255;
  --color-primary-dark-mode-alpha-15: rgba(88, 166, 255, 0.15);
  --color-primary-dark-mode-alpha-25: rgba(88, 166, 255, 0.25);
  --color-primary-dark-mode-alpha-30: rgba(88, 166, 255, 0.3);

  --color-success-dark-mode-main: #3fb950;
  --color-success-hover-dark-mode: #56d364;
  --color-success-dark-mode-rgb: 63, 185, 80;
  --color-success-dark-mode-alpha-15: rgba(63, 185, 80, 0.15);

  --color-warning-dark-mode-main: #d29922;
  --color-warning-hover-dark-mode: #e2a336;
  --color-warning-dark-mode-rgb: 210, 153, 34;
  --color-warning-dark-mode-alpha-15: rgba(210, 153, 34, 0.15);

  --color-danger-dark-mode-main: #f85149;
  --color-danger-hover-dark-mode: #ff7b72;
  --color-danger-dark-mode-rgb: 248, 81, 73;
  --color-danger-dark-mode-alpha-15: rgba(248, 81, 73, 0.15);

  --color-info-dark-mode-main: #58a6ff;
  --color-info-hover-dark-mode: #79b8ff;

  --color-danger-dark-mode: #e74c3c;
  --color-danger-dark-mode-hover: #c0392b;
  --color-success-dark-mode: #27ae60;
  --color-success-dark-mode-hover: #229954;
  --color-warning-dark-mode: #f39c12;
  --color-warning-dark-mode-hover: #e67e22;
  --color-info-dark-mode: #3498db;
  --color-info-dark-mode-hover: #2980b9;
  --color-secondary-dark-mode: #5a6268;
  --color-secondary-dark-mode-hover: #4e555b;

  --overlay-fab-backdrop: rgba(0, 0, 0, 0.3);
  --overlay-modal-loading: rgba(255, 255, 255, 0.8);
  --overlay-button-ripple: rgba(255, 255, 255, 0.3);

  --color-primary-focus-rgb: 13, 110, 253;
}