/* ============================================================
   DESIGN SYSTEM - RysujeSCADA.pl
   Kolory, fonty, spacing, breakpoints
   ============================================================ */

:root {
    /* --- KOLORY --- */

    /* Primary - turkus (brand color) */
    --color-primary: #1ABC9C;
    --color-primary-hover: #15A288;
    --color-primary-light: #E8F8F5;

    /* Tekst */
    --color-text: #3B3B3B;
    --color-text-light: #6B7280;
    --color-heading: #204147;

    /* Tla */
    --color-bg: #FFFFFF;
    --color-bg-alt: #F8F9FA;
    --color-bg-dark: #204147;

    /* CTA / Akcenty - CZERWONY (glowny kolor buttonow) */
    --color-cta: #DC2626;
    --color-cta-hover: #B91C1C;
    --color-success: #27AE60;
    --color-warning: #F39C12;

    /* Borders */
    --color-border: #E5E7EB;
    --color-border-light: #F3F4F6;

    /* --- FONTY --- */
    --font-heading: 'Sen', sans-serif;
    --font-body: 'DM Sans', sans-serif;

    /* Rozmiary */
    --text-xs: 0.75rem;     /* 12px */
    --text-sm: 0.875rem;    /* 14px */
    --text-base: 1rem;      /* 16px */
    --text-lg: 1.125rem;    /* 18px */
    --text-xl: 1.25rem;     /* 20px */
    --text-2xl: 1.5rem;     /* 24px */
    --text-3xl: 1.875rem;   /* 30px */
    --text-4xl: 2.25rem;    /* 36px */
    --text-5xl: 3rem;       /* 48px */

    /* Wagi */
    --font-normal: 400;
    --font-medium: 500;
    --font-bold: 700;
    --font-extrabold: 800;

    /* Line height */
    --leading-tight: 1.25;
    --leading-normal: 1.5;
    --leading-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 */
    --space-20: 5rem;       /* 80px */
    --space-24: 6rem;       /* 96px */

    /* --- LAYOUT --- */
    --max-width: 1200px;
    --max-width-narrow: 800px;
    --max-width-wide: 1400px;

    /* 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 rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);

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

/* --- BREAKPOINTS (reference, use in media queries) ---
   Mobile:  < 640px
   Tablet:  640px - 1024px
   Desktop: > 1024px
   Wide:    > 1400px
   ---------------------------------------------------- */