:root {
  /* Colors */
  --color-background: #f5f7fa;
  --color-surface: #ffffff;
  --color-surface-muted: #f1f3f7;
  --color-text: #1f2933;
  --color-text-muted: #6b7280;
  --color-border-subtle: #e1e4eb;
  --color-border: #cbd2e1;

  /* Calming, creativity-inspired accents (soft teal & warm accent) */
  --color-primary: #2f7f8f;
  --color-primary-soft: rgba(47, 127, 143, 0.08);
  --color-primary-strong: #245f6a;
  --color-success: #22a06b;
  --color-warning: #f8b425;
  --color-danger: #e0244d;

  /* Neutral grays */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2933;
  --gray-900: #111827;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-heading: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 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-size-4xl: 2.25rem;  /* 36px */

  --line-height-tight: 1.2;
  --line-height-snug: 1.35;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (0–96px) */
  --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 */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */

  /* Radius */
  --radius-xs: 3px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  /* Shadows (soft, clean, e‑commerce friendly) */
  --shadow-xs: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-sm: 0 4px 10px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.12);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-normal: 180ms ease-out;
  --transition-slow: 240ms ease-out;

  /* Layout */
  --container-max-width: 1120px;
}

/* ========================================
   Reset / Normalize
   ======================================== */

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
}

h1, h2, h3, h4, h5, h6,
p, figure, blockquote,
dl, dd {
  margin: 0;
}

ul[role="list"],
ol[role="list"] {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  border: none;
  background: none;
  padding: 0;
}

/* Remove default link styles but keep accessibility via focus */
a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}

/* Respect user motion preferences */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ========================================
   Base Styles
   ======================================== */

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
}

main {
  min-height: 60vh;
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

small {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--gray-900);
  margin-bottom: var(--space-2);
}

h1 {
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-md);
}

/* Polish-language e‑commerce: subtle emphasis for key labels */
strong, b {
  font-weight: 600;
}

/* Links - primary accent for interactive elements */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-normal), opacity var(--transition-fast);
}

a:hover {
  color: var(--color-primary-strong);
}

a:active {
  opacity: 0.85;
}

/* ========================================
   Accessibility & Focus Styles
   ======================================== */

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Screen-reader only utility */
.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;
}

/* ========================================
   Utilities
   ======================================== */

/* Page container for main content and product grids */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-6);
  }
}

/* Flex helpers */
.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

.flex-row {
  flex-direction: row;
}

.flex-column {
  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;
}

.gap-2 {
  gap: var(--space-2);
}

.gap-3 {
  gap: var(--space-3);
}

.gap-4 {
  gap: var(--space-4);
}

/* Grid helpers for product listings */
.grid {
  display: grid;
}

.grid-auto-fit-min-200 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

/* Simple spacing utilities for layout tweaks */
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }

.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.py-4 {
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.py-6 {
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-muted); }

/* ========================================
   Components
   ======================================== */

/* Buttons - primary CTA for key e‑commerce actions */
.button,
button,
input[type="button"],
input[type="submit"],
input[type="reset"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);

  border-radius: var(--radius-full);
  border: 1px solid transparent;
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition:
    background-color var(--transition-normal),
    color var(--transition-normal),
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-fast);
}

.button:hover,
button:hover,
input[type="button"]:hover,
input[type="submit"]:hover,
input[type="reset"]:hover {
  background-color: var(--color-primary-strong);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.button:active,
button:active,
input[type="button"]:active,
input[type="submit"]:active,
input[type="reset"]:active {
  transform: translateY(0);
  box-shadow: var(--shadow-xs);
}

.button:disabled,
button:disabled,
input[type="button"]:disabled,
input[type="submit"]:disabled,
input[type="reset"]:disabled {
  cursor: not-allowed;
  opacity: 0.6;
  box-shadow: none;
  transform: none;
}

/* Secondary / subtle button variant */
.button--ghost {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}

.button--ghost:hover {
  background-color: var(--color-primary-soft);
  border-color: var(--color-primary);
  box-shadow: none;
}

/* Inputs - for search, filters, checkout forms */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="search"],
select,
textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background-color: #ffffff;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), background-color var(--transition-fast);
}

input::placeholder,
textarea::placeholder {
  color: var(--gray-400);
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-soft), 0 0 0 1px rgba(0, 0, 0, 0.02);
}

input:disabled,
select:disabled,
textarea:disabled {
  background-color: var(--gray-100);
  cursor: not-allowed;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

/* Basic card for product tiles, info blocks, etc. */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-xs);
  padding: var(--space-4);
  transition:
    box-shadow var(--transition-normal),
    transform var(--transition-normal),
    border-color var(--transition-normal),
    background-color var(--transition-fast);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: rgba(47, 127, 143, 0.25);
}

.card-header {
  margin-bottom: var(--space-3);
}

.card-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-1);
}

.card-body {
  color: var(--color-text);
}

/* Tag / pill for categories, e.g. "nowość", "bestseller" */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.6rem;
  font-size: var(--font-size-xs);
  border-radius: var(--radius-full);
  background-color: var(--color-primary-soft);
  color: var(--color-primary-strong);
  font-weight: 500;
}

.badge--success {
  background-color: rgba(34, 160, 107, 0.1);
  color: var(--color-success);
}

.badge--warning {
  background-color: rgba(248, 180, 37, 0.1);
  color: var(--color-warning);
}

.badge--danger {
  background-color: rgba(224, 36, 77, 0.08);
  color: var(--color-danger);
}

/* Simple section wrapper for calm, structured pages */
.section {
  padding-block: var(--space-8);
}

.section--muted {
  background-color: var(--color-surface-muted);
}

/* Footer base styles */
footer {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}