/**
 * Design Tokens - Centralne zmienne CSS
 * Wszystkie wartości designu w jednym miejscu dla łatwego zarządzania
 */

:root {
    /* ========================================
       COLORS - Kolory
       ======================================== */
    
    /* Primary Palette - Zielony akcent */
    --ds-color-primary: #009634;
    --ds-color-primary-light: #10b981;
    --ds-color-primary-dark: #047857;
    --ds-color-primary-bg: #d1fae5;
    --ds-color-primary-hover: #007a2a;

    /* Wine accent — burgund pasujący do branży */
    --ds-color-wine: #722F37;
    --ds-color-wine-light: #9B4D54;
    --ds-color-wine-dark: #4A1C23;
    --ds-color-wine-bg: #fce8ea;
    
    /* Neutral Palette - Skala szarości */
    --ds-color-neutral-50: #ffffff;
    --ds-color-neutral-100: #f8f9fb;
    --ds-color-neutral-200: #f1f3f6;
    --ds-color-neutral-300: #e2e8f0;
    --ds-color-neutral-400: #cbd5e0;
    --ds-color-neutral-500: #a0aec0;
    --ds-color-neutral-600: #718096;
    --ds-color-neutral-700: #4a5568;
    --ds-color-neutral-800: #2d3748;
    --ds-color-neutral-900: #1a202c;
    
    /* Semantic Colors - Kolory semantyczne */
    --ds-color-success: #10b981;
    --ds-color-success-light: #34d399;
    --ds-color-success-dark: #059669;
    --ds-color-success-bg: #d1fae5;
    
    --ds-color-warning: #f59e0b;
    --ds-color-warning-light: #fbbf24;
    --ds-color-warning-dark: #d97706;
    --ds-color-warning-bg: #fef3c7;
    
    --ds-color-error: #ef4444;
    --ds-color-error-light: #f87171;
    --ds-color-error-dark: #dc2626;
    --ds-color-error-bg: #fee2e2;
    
    --ds-color-info: #3b82f6;
    --ds-color-info-light: #60a5fa;
    --ds-color-info-dark: #2563eb;
    --ds-color-info-bg: #dbeafe;

    /* Semantic surfaces */
    --ds-color-surface: var(--ds-color-neutral-50);
    --ds-color-surface-elevated: var(--ds-color-neutral-100);
    --ds-color-background: var(--ds-color-neutral-100);
    --ds-color-border: var(--ds-border-color-light);
    --ds-color-text-primary: var(--ds-color-neutral-900);
    --ds-color-text-secondary: var(--ds-color-neutral-600);
    --ds-color-secondary: var(--ds-color-neutral-700);
    --ds-color-secondary-bg: var(--ds-color-neutral-100);

    /* Hero gradients */
    --ds-color-hero-gradient-start: var(--ds-color-primary);
    --ds-color-hero-gradient-end: var(--ds-color-primary-dark);
    --ds-color-hero-text: #ffffff;

    /* Layout */
    --ds-layout-max-width: 1400px;
    --ds-layout-max-width-wide: 1920px;
    --ds-grid-min-column-width: 250px;

    /* Touch targets (mobile UX) */
    --ds-touch-target-min: 44px;

    /* Breakpoints — mobile-first (@media min-width) */
    --ds-bp-tablet: 768px;
    --ds-bp-desktop: 1024px;
    --ds-bp-desktop-lg: 1440px;
    /* Legacy aliases */
    --ds-breakpoint-sm: 480px;
    --ds-breakpoint-md: 768px;
    --ds-breakpoint-lg: 1024px;
    --ds-breakpoint-xl: 1280px;
    --ds-breakpoint-2xl: 1536px;

    /* ========================================
       SPACING - Odstępy
       ======================================== */
    --ds-space-0: 0;
    --ds-space-1: 0.25rem;    /* 4px */
    --ds-space-2: 0.5rem;     /* 8px */
    --ds-space-3: 0.75rem;    /* 12px */
    --ds-space-4: 1rem;       /* 16px */
    --ds-space-5: 1.25rem;    /* 20px */
    --ds-space-6: 1.5rem;     /* 24px */
    --ds-space-8: 2rem;       /* 32px */
    --ds-space-10: 2.5rem;    /* 40px */
    --ds-space-12: 3rem;      /* 48px */
    --ds-space-16: 4rem;      /* 64px */
    --ds-space-20: 5rem;      /* 80px */
    --ds-space-24: 6rem;      /* 96px */
    
    /* ========================================
       TYPOGRAPHY - Typografia
       ======================================== */
    --ds-font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --ds-font-family-mono: 'Fira Code', 'Courier New', monospace;
    
    /* Font Sizes */
    --ds-font-size-xs: 0.75rem;      /* 12px */
    --ds-font-size-sm: 0.875rem;     /* 14px */
    --ds-font-size-base: 0.9375rem;  /* 15px */
    --ds-font-size-md: 1rem;         /* 16px */
    --ds-font-size-lg: 1.125rem;     /* 18px */
    --ds-font-size-xl: 1.25rem;      /* 20px */
    --ds-font-size-2xl: 1.5rem;      /* 24px */
    --ds-font-size-3xl: 1.875rem;    /* 30px */
    --ds-font-size-4xl: 2.25rem;     /* 36px */
    --ds-font-size-5xl: 3rem;        /* 48px */
    
    /* Font Weights */
    --ds-font-weight-light: 300;
    --ds-font-weight-normal: 400;
    --ds-font-weight-medium: 500;
    --ds-font-weight-semibold: 600;
    --ds-font-weight-bold: 700;
    --ds-font-weight-extrabold: 800;
    
    /* Line Heights */
    --ds-line-height-none: 1;
    --ds-line-height-tight: 1.25;
    --ds-line-height-snug: 1.375;
    --ds-line-height-normal: 1.5;
    --ds-line-height-relaxed: 1.625;
    --ds-line-height-loose: 2;
    
    /* Letter Spacing */
    --ds-letter-spacing-tight: -0.05em;
    --ds-letter-spacing-normal: 0;
    --ds-letter-spacing-wide: 0.05em;
    --ds-letter-spacing-wider: 0.1em;
    
    /* ========================================
       BORDERS - Obramowania
       ======================================== */
    --ds-border-width-0: 0;
    --ds-border-width-thin: 1px;
    --ds-border-width-medium: 2px;
    --ds-border-width-thick: 4px;
    
    --ds-border-color-light: var(--ds-color-neutral-300);
    --ds-border-color-medium: var(--ds-color-neutral-400);
    --ds-border-color-dark: var(--ds-color-neutral-500);
    
    /* Border Radius */
    --ds-radius-none: 0;
    --ds-radius-sm: 0.375rem;   /* 6px */
    --ds-radius-md: 0.5rem;     /* 8px */
    --ds-radius-lg: 0.75rem;    /* 12px */
    --ds-radius-xl: 1rem;       /* 16px */
    --ds-radius-2xl: 1.5rem;    /* 24px */
    --ds-radius-3xl: 2rem;      /* 32px */
    --ds-radius-full: 9999px;
    
    /* ========================================
       SHADOWS - Cienie
       ======================================== */
    --ds-shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --ds-shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --ds-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --ds-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --ds-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --ds-shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --ds-shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    --ds-shadow-card: var(--ds-shadow-sm);
    --ds-shadow-dropdown: var(--ds-shadow-lg);
    --ds-shadow-modal: var(--ds-shadow-xl);
    
    /* ========================================
       TRANSITIONS - Animacje
       ======================================== */
    --ds-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --ds-transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --ds-transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --ds-transition-slower: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    --ds-ease-in: cubic-bezier(0.4, 0, 1, 1);
    --ds-ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ds-ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

    /* Duration aliases */
    --ds-duration-fast: var(--ds-transition-fast);
    --ds-duration-base: var(--ds-transition-base);
    --ds-duration-slow: var(--ds-transition-slow);
    
    /* ========================================
       Z-INDEX - Warstwy
       ======================================== */
    --ds-z-dropdown: 1000;
    --ds-z-sticky: 1020;
    --ds-z-fixed: 1030;
    --ds-z-modal-backdrop: 1040;
    --ds-z-modal: 1050;
    --ds-z-popover: 1060;
    --ds-z-tooltip: 1070;
    
}

/* ========================================
   DARK MODE OVERRIDES
   ======================================== */
[data-theme="dark"] {
    /* Odwrócona skala kolorów dla ciemnego tła */
    --ds-color-neutral-50: #1a202c;
    --ds-color-neutral-100: #2d3748;
    --ds-color-neutral-200: #4a5568;
    --ds-color-neutral-300: #718096;
    --ds-color-neutral-400: #a0aec0;
    --ds-color-neutral-500: #cbd5e0;
    --ds-color-neutral-600: #e2e8f0;
    --ds-color-neutral-700: #f1f3f6;
    --ds-color-neutral-800: #f8f9fb;
    --ds-color-neutral-900: #ffffff;
    
    /* Jaśniejszy akcent dla lepszego kontrastu */
    --ds-color-primary: #10b981;
    --ds-color-primary-light: #34d399;
    --ds-color-primary-dark: #059669;
    
    /* Dostosowane cienie dla ciemnego tła */
    --ds-shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --ds-shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --ds-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --ds-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --ds-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
}

/* ========================================
   UTILITY ALIASES (backwards compatibility)
   ======================================== */
:root {
    /* Semantic aliases (Design System spec) */
    --color-primary: var(--ds-color-primary);
    --color-secondary: var(--ds-color-secondary);
    --color-success: var(--ds-color-success);
    --color-warning: var(--ds-color-warning);
    --color-error: var(--ds-color-error);
    --color-background: var(--ds-color-background);
    --color-surface: var(--ds-color-surface);
    --color-border: var(--ds-color-border);
    --color-text: var(--ds-color-text-primary);

    /* Aliasy kompatybilności wstecznej (legacy admin) */
    --color-bg-primary: var(--ds-color-neutral-50);
    --color-bg-secondary: var(--ds-color-neutral-100);
    --color-bg-tertiary: var(--ds-color-neutral-200);
    
    --color-text-primary: var(--ds-color-neutral-900);
    --color-text-secondary: var(--ds-color-neutral-700);
    --color-text-tertiary: var(--ds-color-neutral-600);
    --color-text-muted: var(--ds-color-neutral-500);
    
    --color-accent: var(--ds-color-primary);
    --color-accent-light: var(--ds-color-primary-light);
    --color-accent-dark: var(--ds-color-primary-dark);
    --color-accent-bg: var(--ds-color-primary-bg);
    
    --color-border-light: var(--ds-border-color-light);
    --color-border-medium: var(--ds-border-color-medium);
    
    --shadow-xs: var(--ds-shadow-xs);
    --shadow-sm: var(--ds-shadow-sm);
    --shadow-md: var(--ds-shadow-md);
    --shadow-lg: var(--ds-shadow-lg);
    --shadow-xl: var(--ds-shadow-xl);
    
    --radius-sm: var(--ds-radius-sm);
    --radius-md: var(--ds-radius-md);
    --radius-lg: var(--ds-radius-lg);
    --radius-xl: var(--ds-radius-xl);
    
    --space-xs: var(--ds-space-2);
    --space-sm: var(--ds-space-3);
    --space-md: var(--ds-space-4);
    --space-lg: var(--ds-space-6);
    --space-xl: var(--ds-space-8);
    
    --transition-fast: var(--ds-transition-fast);
    --transition-base: var(--ds-transition-base);
    --transition-smooth: var(--ds-transition-slow);

    /* theme-loader.js backward compatibility (--theme-* → --ds-*) */
    --theme-primary-color: var(--ds-color-primary);
    --theme-primary-hover: var(--ds-color-primary-hover);
    --theme-primary-light: var(--ds-color-primary-bg);
    --theme-success-color: var(--ds-color-success);
    --theme-warning-color: var(--ds-color-warning);
    --theme-error-color: var(--ds-color-error);
    --theme-info-color: var(--ds-color-info);
    --theme-bg-primary: var(--ds-color-surface);
    --theme-bg-secondary: var(--ds-color-neutral-100);
    --theme-bg-tertiary: var(--ds-color-neutral-200);
    --theme-hero-bg-start: var(--ds-color-hero-gradient-start);
    --theme-hero-bg-end: var(--ds-color-hero-gradient-end);
    --theme-hero-text-color: var(--ds-color-hero-text);
    --theme-text-primary: var(--ds-color-neutral-900);
    --theme-text-secondary: var(--ds-color-neutral-600);
    --theme-text-tertiary: var(--ds-color-neutral-500);
    --theme-text-muted: var(--ds-color-neutral-400);
    --theme-border-light: var(--ds-border-color-light);
    --theme-border-medium: var(--ds-border-color-medium);
    --theme-radius-md: var(--ds-radius-md);
    --theme-shadow-card: var(--ds-shadow-md);
    --theme-space-md: var(--ds-space-4);
    --theme-font-size-base: var(--ds-font-size-base);
}