/* ==========================================================================
   KARTOTEKEN — Design Tokens (CSS Custom Properties)
   ==========================================================================
   Kolory marki STRABAG/BMTI: czerwony #E30613, ciemnoszary, biel.
   System oparty na HSL dla łatwego generowania odcieni.
   ========================================================================== */

:root {
  /* --- Brand Colors --- */
  --color-brand-primary: #E30613;
  --color-brand-primary-dark: #B8050F;
  --color-brand-primary-light: #FF1A27;
  --color-brand-primary-bg: rgba(227, 6, 19, 0.08);

  /* --- Neutral Palette --- */
  --color-neutral-50: #F8F9FA;
  --color-neutral-100: #F1F3F5;
  --color-neutral-200: #E9ECEF;
  --color-neutral-300: #DEE2E6;
  --color-neutral-400: #CED4DA;
  --color-neutral-500: #ADB5BD;
  --color-neutral-600: #868E96;
  --color-neutral-700: #495057;
  --color-neutral-800: #343A40;
  --color-neutral-900: #212529;

  /* --- Semantic Colors --- */
  --color-success: #2B8A3E;
  --color-success-bg: rgba(43, 138, 62, 0.1);
  --color-warning: #E67700;
  --color-warning-bg: rgba(230, 119, 0, 0.1);
  --color-danger: #C92A2A;
  --color-danger-bg: rgba(201, 42, 42, 0.1);
  --color-info: #1971C2;
  --color-info-bg: rgba(25, 113, 194, 0.1);

  /* --- Status Colors (Kartoteka) --- */
  --status-aktywne: #2B8A3E;
  --status-aktywne-bg: rgba(43, 138, 62, 0.12);
  --status-zagubione: #C92A2A;
  --status-zagubione-bg: rgba(201, 42, 42, 0.12);
  --status-zużyte: #868E96;
  --status-zużyte-bg: rgba(134, 142, 150, 0.12);
  --status-przekazane: #1971C2;
  --status-przekazane-bg: rgba(25, 113, 194, 0.12);
  --status-w-trakcie: #E67700;
  --status-w-trakcie-bg: rgba(230, 119, 0, 0.12);
  --status-niekompletne: #9C36B5;
  --status-niekompletne-bg: rgba(156, 54, 181, 0.12);

  /* --- Typography --- */
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.8125rem;  /* 13px */
  --font-size-base: 0.875rem; /* 14px */
  --font-size-md: 1rem;       /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */

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

  --line-height-tight: 1.25;
  --line-height-base: 1.5;
  --line-height-relaxed: 1.75;

  /* --- Spacing --- */
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */

  /* --- Border Radius --- */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* --- Shadows --- */
  --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 -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);

  /* --- Layout --- */
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 64px;
  --header-height: 60px;
  --content-max-width: 1400px;

  /* --- Transitions --- */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  /* --- Z-index layers --- */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;
  /* --- Background & Text --- */
  --color-bg: #ffffff;
  --color-text: #212529;
}

/* Dark mode palette */
:root.dark-mode {
  --color-bg: #212529;
  --color-text: #f8f9fa;
  --color-neutral-50: #2c2c2c;
  --color-neutral-100: #373737;
  --color-neutral-200: #404040;
  --color-neutral-300: #4b4b4b;
  --color-neutral-400: #555555;
  --color-neutral-500: #666666;
  --color-neutral-600: #777777;
  --color-neutral-700: #888888;
  --color-neutral-800: #999999;
  --color-neutral-900: #aaaaaa;
  --color-brand-primary: #ff6b6b;
  --color-brand-primary-bg: rgba(255,107,107,0.08);
}