/* ============================================
   ZRZUTKI - Design System Variables & Base Reset
   Replaces: theme01/css/design-system.css
   Typography: increased scale (min 16px)
   ============================================ */

/* === DESIGN TOKENS === */
:root {
  /* Kolory podstawowe */
  --color-bg: #FAFAFA;
  --color-surface: #FFFFFF;
  --color-surface-elevated: #FFFFFF;
  --color-surface-subtle: #F5F5F5;

  /* Tekst */
  --color-text-primary: #1A1A1A;
  --color-text-secondary: #666666;
  --color-text-tertiary: #999999;
  --color-text-inverse: #FFFFFF;

  /* Akcenty */
  --color-accent: #0066FF;
  --color-accent-hover: #0052CC;
  --color-accent-light: #E6F0FF;
  --color-accent-subtle: #F0F6FF;

  /* Statusy */
  --color-success: #00C853;
  --color-success-bg: #E8F9F0;
  --color-warning: #FF9500;
  --color-warning-bg: #FFF8E6;
  --color-error: #FF3B30;
  --color-error-bg: #FFEBEA;

  /* Bordy i separatory */
  --color-border: rgba(0, 0, 0, 0.08);
  --color-border-strong: rgba(0, 0, 0, 0.12);
  --color-divider: rgba(0, 0, 0, 0.06);

  /* Cienie - subtelne, app-like */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);

  /* Blur dla glassmorphism */
  --blur-sm: blur(8px);
  --blur-md: blur(16px);
  --blur-lg: blur(24px);

  /* Typografia - SF Pro-like system font */
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", system-ui, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Monaco", monospace;

  /* Rozmiary tekstu - INCREASED scale (min 16px for readability) */
  /* UWAGA: px zamiast rem — motyw WP nadpisuje html font-size, rem oblicza się za mało */
  --text-xs: 16px;           /* was 1rem */
  --text-sm: 17px;           /* was 1.0625rem */
  --text-base: 18px;         /* was 1.125rem */
  --text-md: 20px;           /* was 1.25rem */
  --text-lg: 23px;           /* was 1.4375rem */
  --text-xl: 26px;           /* was 1.625rem */
  --text-2xl: 32px;          /* was 2rem */
  --text-3xl: 38px;          /* was 2.375rem */

  /* Line heights - increased for readability */
  --leading-tight: 1.25;
  --leading-snug: 1.4;
  --leading-normal: 1.55;
  --leading-relaxed: 1.7;

  /* Letter spacing */
  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.04em;

  /* Spacing scale */
  --space-0: 0;
  --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 */

  /* Padding bezpieczny dla urządzeń */
  --safe-area-top: env(safe-area-inset-top, 0px);
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);
  --safe-area-left: env(safe-area-inset-left, 0px);
  --safe-area-right: env(safe-area-inset-right, 0px);

  /* Radiusy */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Animacje */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;

  /* Z-index */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal-backdrop: 900;
  --z-modal: 1000;
  --z-toast: 1100;
}

/* === RESET & BASE === */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px !important;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background: var(--color-bg);
  min-height: 100vh;
  min-height: 100dvh;
  overscroll-behavior: none;
}

/* Prevent iOS bounce when scrolling */
body.modal-open {
  overflow: hidden;
  position: fixed;
  width: 100%;
  height: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

input,
textarea,
select {
  font: inherit;
  color: inherit;
  -webkit-appearance: none;
  appearance: none;
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* === UTILITY CLASSES === */

/* Screenreader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Flex utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

/* Grid utilities */
.grid { display: grid; }

/* Text utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }

/* Spacing utilities */
.mt-auto { margin-top: auto; }
.mb-auto { margin-bottom: auto; }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }

/* === SCROLL CONTAINER === */
.scroll-container {
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
}

/* Hide scrollbar but keep functionality */
.scroll-container::-webkit-scrollbar {
  display: none;
}

.scroll-container {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* === ANIMATIONS === */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Animation utilities */
.animate-fade-in {
  animation: fadeIn var(--duration-normal) var(--ease-out);
}

.animate-fade-in-up {
  animation: fadeInUp var(--duration-normal) var(--ease-out);
}

.animate-fade-in-scale {
  animation: fadeInScale var(--duration-normal) var(--ease-spring);
}

.animate-slide-up {
  animation: slideUp var(--duration-slow) var(--ease-out);
}

/* Stagger delays */
.delay-1 { animation-delay: 50ms; }
.delay-2 { animation-delay: 100ms; }
.delay-3 { animation-delay: 150ms; }
.delay-4 { animation-delay: 200ms; }
.delay-5 { animation-delay: 250ms; }

/* === FOCUS STATES === */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* === SELECTION === */
::selection {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

/* === MEDIA QUERIES BREAKPOINTS === */
/*
  Mobile: default (0-639px)
  Tablet: 640px+
  Desktop: 1024px+
  Large: 1280px+
*/