/* ==========================================================================
   CyFun Tool - CSS Custom Properties (Design Tokens)
   ========================================================================== */

:root {
  /* --- Brand Colors --- */
  --color-primary: #339911;
  --color-primary-hover: #2b800e;
  --color-primary-light: #3dad1a;
  --color-primary-bg: rgba(51, 153, 17, 0.08);
  --color-primary-border: rgba(51, 153, 17, 0.25);
  --color-primary-text: #267a0e;

  /* --- Status Colors --- */
  --color-success: #339911;
  --color-success-bg: rgba(51, 153, 17, 0.08);
  --color-warning: #e67e22;
  --color-warning-bg: rgba(230, 126, 34, 0.08);
  --color-warning-border: rgba(230, 126, 34, 0.25);
  --color-danger: #c0392b;
  --color-danger-bg: rgba(192, 57, 43, 0.08);
  --color-danger-border: rgba(192, 57, 43, 0.25);
  --color-info: #2980b9;
  --color-info-bg: rgba(41, 128, 185, 0.08);
  --color-info-border: rgba(41, 128, 185, 0.25);

  --color-purple: #8e44ad;
  --color-purple-bg: rgba(142, 68, 173, 0.08);
  --color-purple-border: rgba(142, 68, 173, 0.25);

  /* --- CyFun Level Colors --- */
  --color-level-basic: #2980b9;
  --color-level-important: #e67e22;
  --color-level-essential: #c0392b;

  /* --- Neutrals --- */
  --color-dark: #151515;
  --color-text: #333333;
  --color-text-secondary: #555555;
  --color-text-muted: #767676;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f5f5;
  --color-bg-hover: #fafafa;
  --color-border: rgba(0, 0, 0, 0.10);
  --color-border-light: rgba(0, 0, 0, 0.06);
  --color-header-bg: #111111;
  --color-header-text: #ffffff;
  --color-sidebar-bg: #1a1a1a;
  --color-sidebar-text: #cccccc;
  --color-sidebar-hover: rgba(255, 255, 255, 0.08);
  --color-sidebar-active: rgba(51, 153, 17, 0.15);

  /* --- Typography --- */
  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Mulish', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;

  --text-xs: 0.7rem;
  --text-sm: 0.8rem;
  --text-base: 0.875rem;
  --text-md: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;

  --weight-normal: 400;
  --weight-semibold: 600;
  --weight-bold: 700;

  --line-height: 1.5;
  --line-height-tight: 1.25;

  /* --- Spacing --- */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 0.75rem;
  --space-lg: 1rem;
  --space-xl: 1.5rem;
  --space-2xl: 2rem;
  --space-3xl: 3rem;

  /* --- Layout --- */
  --header-height: 72px;
  --sidebar-width: 240px;
  --sidebar-collapsed-width: 52px;
  --side-panel-width: 35%;
  --side-panel-min-width: 300px;
  --side-panel-max-width: 600px;

  /* --- Components --- */
  --radius-sm: 3px;
  --radius-md: 5px;
  --radius-lg: 8px;
  --radius-pill: 50px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.10);

  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;

  /* --- Z-Index Scale --- */
  --z-sidebar: 100;
  --z-header: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;
  --z-notice: 600; /* full-screen blocking notices (mobile, onboarding) */
}