/* ==========================================
   ZMIENNE KOLORÓW I TYPOGRAFII
   ========================================== */
:root {
  /* Kolory */
  --color-primary: #1a3a52; /* Głęboki niebieski */
  --color-primary-light: #2d5a7b;
  --color-primary-dark: #0f2435;
  --color-accent: #0066cc;
  --color-bg-main: #ffffff; /* Czysta biel */
  --color-bg-secondary: #f5f5f5; /* Jasna szarość */
  --color-bg-tertiary: #eeeeee;
  --color-text-primary: #333333;
  --color-text-secondary: #666666;
  --color-border: #dcdcdc;
  --color-border-light: #e8e8e8;
  --color-success: #28a745;
  --color-warning: #ffc107;
  --color-error: #dc3545;

  /* Typografia */
  --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-size-base: 14px;
  --font-size-sm: 12px;
  --font-size-lg: 16px;
  --font-size-xl: 20px;
  --font-size-xxl: 28px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;

  /* Przejścia */
  --transition: all 0.3s ease;
}

/* ==========================================
   RESET I STYLE GLOBALNY
   ========================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg-main);
  line-height: 1.6;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-primary-light);
  text-decoration: underline;
}

button {
  font-family: var(--font-family);
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

/* ==========================================
   HEADER / NAGŁÓWEK
   ========================================== */
#header-placeholder {
  margin: 0;
  padding: 0;
}

header {
  background-color: var(--color-primary);
  color: var(--color-bg-main);
  padding: var(--spacing-lg) var(--spacing-md);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 999;
  margin: 0;
}

.header-container {
  margin: 0;
  padding: 0 var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
}

.logo {
  font-size: var(--font-size-xxl);
  font-weight: var(--font-weight-bold);
  color: var(--color-bg-main);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  white-space: nowrap;
}


/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 6px;
  background: none;
  border: none;
  padding: 8px;
  color: white;
  z-index: 1001;
  position: relative;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: white;
  border-radius: 2px;
  transition: all 0.3s ease;
  display: block;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(8px, -8px);
}

/* Główne menu */
nav {
  display: flex;
  gap: var(--spacing-lg);
  flex: 1;
}

nav a {
  color: var(--color-bg-main);
  font-weight: var(--font-weight-medium);
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 3px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

/* Mobile: when menu is active, ensure it overlays hero/other content */
@media (max-width: 768px) {
  .hamburger {
    z-index: 3000; /* always on top */
    position: relative;
  }

  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-primary);
    display: block;
    padding: var(--spacing-md);
    transform-origin: top;
    z-index: 2000; /* menu stack above hero */
  }

  nav a {
    display: block;
    padding: 12px 10px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  nav:not(.active) {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }

  nav.active {
    max-height: 800px; /* enough to show items */
  }
}

nav a:hover,
nav a.active {
  border-bottom-color: var(--color-accent);
  background-color: rgba(255, 255, 255, 0.1);
}

/* Pasek wyszukiwania */
.search-bar {
  display: flex;
  align-items: center;
  background-color: var(--color-bg-main);
  border-radius: 4px;
  padding: var(--spacing-xs) var(--spacing-md);
  min-width: 250px;
  position: relative;
}

/* Ukryj wyszukiwarkę w headerze na stronie katalogu */
body.catalog-page .search-bar {
  display: none;
}

.search-bar input {
  flex: 1;
  border: none;
  outline: none;
  font-size: var(--font-size-base);
  padding: var(--spacing-sm) 0;
}

.search-bar button {
  background: none;
  color: var(--color-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 18px;
}

.search-bar button:hover {
  color: var(--color-accent);
}

/* Dropdown dla podpowiedzi wyszukiwania */
.search-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: white;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  max-height: 400px;
  overflow-y: auto;
  z-index: 1000;
  display: none;
  margin-top: 4px;
}

.search-suggestion {
  display: flex;
  align-items: center;
  padding: 12px;
  gap: 12px;
  border-bottom: 1px solid var(--color-border-light);
  text-decoration: none;
  transition: background-color 0.2s;
}

.search-suggestion:last-child {
  border-bottom: none;
}

.search-suggestion:hover {
  background-color: var(--color-bg-secondary);
}

.search-suggestion img {
  width: 50px;
  height: 50px;
  object-fit: contain;
  border-radius: 4px;
  background-color: #f9f9f9;
}

.search-suggestion-info {
  flex: 1;
}

.search-suggestion-name {
  font-size: 14px;
  color: var(--color-text-primary);
  font-weight: 500;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.search-suggestion-price {
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 600;
}


/* ==========================================
   CATALOG WRAPPER - NOWY NOWOCZESNY UKŁAD
   ========================================== */
.product-detail-container {
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px;
  flex: 1;
}

.catalog-wrapper {
  max-width: 1600px;
  margin: 0 auto;
  padding: var(--spacing-lg) 0 var(--spacing-xxl) 0;
  flex: 1;
  width: 100%;
  box-sizing: border-box;
}

/* Nagłówek katalogu */
.catalog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  padding: 0 var(--spacing-lg);
}

.catalog-title-section {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-md);
}

.catalog-title-section h1 {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
}

.product-counter {
  font-size: 14px;
  color: var(--color-text-secondary);
  background: #f0f4f8;
  padding: 6px 14px;
  border-radius: 20px;
  font-weight: 500;
}

/* Wyszukiwarka katalogu */
.catalog-search-container {
  flex: 1;
  max-width: 500px;
  min-width: 300px;
}

.catalog-search-wrapper {
  position: relative;
  display: flex;
  gap: 8px;
}

#catalogSearchInput {
  flex: 1;
  padding: 12px 16px;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-size: 14px;
  transition: var(--transition);
}

#catalogSearchInput:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.catalog-search-btn {
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--color-accent) 0%, #0052a3 100%);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.catalog-search-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.catalog-search-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 50px;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  max-height: 400px;
  overflow-y: auto;
  z-index: 1000;
  display: none;
}

.catalog-search-dropdown.show {
  display: block;
}

.catalog-search-suggestion {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border-light);
  cursor: pointer;
  transition: var(--transition);
  font-size: 14px;
  color: var(--color-text-primary);
}

.catalog-search-suggestion:hover {
  background: var(--color-bg-secondary);
}

.catalog-search-suggestion:last-child {
  border-bottom: none;
}

.catalog-search-suggestion strong {
  color: var(--color-accent);
  font-weight: 600;
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--spacing-lg);
  font-size: 14px;
  color: var(--color-text-secondary);
  flex-wrap: wrap;
  padding: 0 var(--spacing-lg);
}

.breadcrumb-item {
  padding: 6px 12px;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.breadcrumb-item.active {
  background: #e8f4fd;
  color: var(--color-accent);
  font-weight: 600;
}

.breadcrumb-item:not(.active) {
  cursor: pointer;
}

.breadcrumb-item:not(.active):hover {
  background: #f5f5f5;
}

/* ==========================================
   LAYOUT Z SIDEBAR - DRZEWKO KATEGORII
   ========================================== */
.catalog-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--spacing-xl);
  align-items: start;
  padding: 0 var(--spacing-lg);
}

/* Sidebar z kategoriami */
.catalog-sidebar {
  background: white;
  border-radius: 16px;
  padding: var(--spacing-lg);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  border: 1px solid #f0f0f0;
  position: sticky;
  top: 100px;
  max-height: calc(100vh - 140px);
  overflow-y: auto;
}

.sidebar-header {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid #f0f0f0;
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  user-select: none;
}

/* Drzewko kategorii - nowoczesny styl */
.category-tree {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.category-node {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
  background: #f8f9fa;
  border: 2px solid transparent;
}

.category-node:hover {
  background: #e8f4fd;
  border-color: #b3d9f2;
  transform: translateX(4px);
}

.category-node.active {
  background: linear-gradient(135deg, var(--color-accent) 0%, #0052a3 100%);
  color: white;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.category-node.active .category-count {
  background: rgba(255, 255, 255, 0.3);
  color: white;
}

.category-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  flex: 1;
}

/* Strzałka rozwijania */
.expand-arrow {
  display: inline-block;
  font-size: 10px;
  margin-left: auto;
  margin-right: 8px;
  transition: transform 0.3s ease;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* Kategorie z podkategoriami - pogrubienie */
.category-node.has-children .category-name {
  font-weight: 600;
}

/* Stan rozwinięty - zmiana koloru badge */
.category-node.expanded .category-count {
  background: white;
  color: var(--color-accent);
}

.category-count {
  background: #e2e8f0;
  color: #475569;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
}

/* Podkategorie - bez wcięć, jedna pod drugą */
.category-children {
  margin-left: 0;
  margin-top: 4px;
  margin-bottom: 4px;
  padding-left: 0;
  border-left: none;
  display: none;
}

.category-node.expanded + .category-children {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* PROSTY SYSTEM - Podkategorie */
.category-subs {
  display: none;
  flex-direction: column;
  gap: 4px;
  margin-top: 4px;
  padding-left: 16px;
  border-left: 3px solid var(--color-accent);
}

.category-sub-node {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
  background: #f8f9fa;
  border: 2px solid transparent;
  transition: all 0.2s ease;
  font-size: 13px;
}

.category-sub-node:hover {
  background: #e8f4fd;
  border-color: #b3d9f2;
  transform: translateX(4px);
}

.category-sub-node.active {
  background: linear-gradient(135deg, #0078d4 0%, #005a9e 100%);
  color: white;
  font-weight: 600;
}

.category-sub-node.active .category-count {
  background: white;
  color: var(--color-accent);
}

/* Główna treść */
.catalog-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* Filtry Bar */
.filters-bar {
  background: white;
  border-radius: 16px;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  border: 1px solid #f0f0f0;
}

.filter-section {
  margin-bottom: var(--spacing-lg);
}

.filter-section:last-child {
  margin-bottom: 0;
}

.filter-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

/* Pills/Chips dla kategorii */
.categories-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: #f5f7fa;
  border: 2px solid transparent;
  border-radius: 25px;
  font-size: 14px;
  font-weight: 500;
  color: #4a5568;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.pill:hover {
  background: #e8f4fd;
  border-color: #b3d9f2;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 102, 204, 0.15);
}

.pill.active {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.pill-count {
  background: rgba(255, 255, 255, 0.25);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.pill.active .pill-count {
  background: rgba(255, 255, 255, 0.3);
}

/* Filter Controls */
.filter-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  align-items: flex-end;
}

.filter-control {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 160px;
}

.filter-control label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: #4a5568;
}

.modern-select {
  padding: 12px 16px;
  border: 2px solid #e1e8ed;
  border-radius: 10px;
  font-size: 14px;
  background: white;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
}

.modern-select:hover {
  border-color: #cbd5e0;
}

.modern-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

/* Price Filter */
.price-filter {
  flex: 1;
  min-width: 280px;
}

.price-range {
  display: flex;
  align-items: center;
  gap: 8px;
}

.price-range input {
  flex: 1;
  padding: 12px 14px;
  border: 2px solid #e1e8ed;
  border-radius: 10px;
  font-size: 14px;
  min-width: 80px;
  transition: all 0.3s ease;
}

.price-range input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.price-range .currency {
  font-size: 13px;
  color: var(--color-text-secondary);
  font-weight: 600;
}

/* Clear Filters Button */
.clear-filters-btn {
  padding: 12px 20px;
  background: #fff5f5;
  border: 2px solid #feb2b2;
  border-radius: 10px;
  color: #c53030;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 6px;
  align-self: flex-end;
}

.clear-filters-btn:hover {
  background: #fed7d7;
  border-color: #fc8181;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(197, 48, 48, 0.2);
}

.clear-filters-btn:active {
  transform: translateY(0);
}

/* Active Filters */
.active-filters {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: #f7fafc;
  border-radius: 12px;
  flex-wrap: wrap;
}

.active-filters-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.active-filters-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex: 1;
}

.active-filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: white;
  border: 1px solid #e1e8ed;
  border-radius: 20px;
  font-size: 13px;
  color: #4a5568;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.active-filter-pill button {
  background: none;
  border: none;
  color: #e53e3e;
  cursor: pointer;
  font-size: 16px;
  padding: 0;
  display: flex;
  align-items: center;
  transition: all 0.2s ease;
}

.active-filter-pill button:hover {
  transform: scale(1.2);
}

/* ==========================================
   STARE STYLE - ZACHOWANE DLA KOMPATYBILNOŚCI
   ========================================== */
.main-container {
  max-width: 1600px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--spacing-xl);
  padding: var(--spacing-xl) var(--spacing-lg);
  min-height: calc(100vh - 200px);
}

/* ==========================================
   SIDEBAR - KATEGORIE (STARE - NIEUŻYWANE)
   ========================================== */
.sidebar {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border-light);
  border-radius: 12px;
  padding: var(--spacing-md);
  height: fit-content;
  position: sticky;
  top: 100px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.sidebar-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
  transition: all 0.3s ease;
}

.sidebar-title:hover {
  background-color: rgba(26, 58, 82, 0.05);
  border-radius: 6px;
}

.sidebar-toggle {
  font-size: 20px;
  transition: transform 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  pointer-events: none;
}

.sidebar-toggle.collapsed {
  transform: rotate(-90deg);
}

.category-list {
  list-style: none;
  max-height: calc(100vh - 300px);
  overflow-y: auto;
  overflow-x: hidden;
  transition: max-height 0.4s ease, opacity 0.4s ease;
  opacity: 1;
  padding: 0;
  padding-right: 8px;
}

.category-list.collapsed {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
}

.category-item {
  margin-bottom: var(--spacing-sm);
  animation: slideIn 0.3s ease;
}

.category-item.has-children {
  position: relative;
}

.category-item.collapsed .category-subtree {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.category-link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text-primary);
  background-color: var(--color-bg-main);
  border-left: 3px solid transparent;
  border-radius: 0 6px 6px 0;
  transition: all 0.2s ease;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  word-wrap: break-word;
  overflow-wrap: break-word;
  white-space: normal;
  line-height: 1.4;
}

.category-link:hover,
.category-link.active {
  background-color: var(--color-accent);
  border-left-color: var(--color-primary);
  color: white;
  padding-left: calc(var(--spacing-md) + 6px);
}

/* Hierarchiczne drzewko kategorii */
.category-item {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 100%;
}

.category-subtree {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.category-subtree .category-item {
  margin-left: 16px;
  padding-left: 8px;
  border-left: 1px solid var(--color-border-light);
}

.category-toggle {
  display: inline-block;
  transition: transform 0.2s ease;
  user-select: none;
  opacity: 0.6;
  margin-right: 5px;
  cursor: pointer;
  font-size: 10px;
  vertical-align: middle;
}

.category-item:hover .category-toggle {
  opacity: 1;
}

.category-toggle:hover {
  transform: scale(1.2);
}

.category-item:has(.category-subtree) .category-link {
  cursor: pointer;
}

/* ==========================================
   CONTENT AREA - GRID PRODUKTÓW
   ========================================== */
.content {
  background-color: var(--color-bg-main);
}

.content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border-light);
}

.content-title {
  font-size: var(--font-size-xxl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.content-meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  padding: var(--spacing-lg) 0;
}

/* ==========================================
   KARTY PRODUKTÓW
   ========================================== */
.product-card {
  background-color: var(--color-bg-main);
  border: 1px solid var(--color-border-light);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  cursor: pointer;
  position: relative;
}

.product-card:hover {
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
  transform: translateY(-8px);
  border-color: var(--color-accent);
}

.product-image {
  width: 100%;
  height: 280px;
  background: #f8f9fa;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-bottom: 1px solid var(--color-border-light);
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--spacing-md);
  transition: var(--transition);
}

.product-card:hover .product-image img {
  transform: scale(1.08);
}

.product-info {
  padding: var(--spacing-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-category {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: var(--font-weight-bold);
}

.product-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.4;
  min-height: 2.8em;
  flex-grow: 0;
}

.product-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  flex-grow: 1;
}

.product-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  margin-top: auto;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border-light);
  flex-wrap: wrap;
}

.product-buttons {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  flex: 1;
  min-width: 0;
  position: relative;
  z-index: 2;
}

.product-price {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  flex-shrink: 0;
}

.product-price-small {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.product-details-link {
  background-color: var(--color-primary);
  color: var(--color-bg-main);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 4px;
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transition: var(--transition);
  position: relative;
  z-index: 3;
}

.product-details-link:hover {
  background-color: var(--color-primary-light);
  text-decoration: none;
}

/* Przycisk "Kup teraz" w kafelkach produktów */
.btn-buy-card {
  background-color: #ff6b00;  /* Kolor Allegro */
  color: var(--color-bg-main);
  padding: 8px 16px;
  border-radius: 4px;
  font-weight: var(--font-weight-bold);
  text-decoration: none;
  transition: var(--transition);
  font-size: var(--font-size-sm);
  display: inline-block;
  position: relative;
  z-index: 3;
}

.btn-buy-card:hover {
  background-color: #e55a00;
  transform: scale(1.05);
  text-decoration: none;
}

.btn-buy-card:active {
  transform: scale(0.98);
}

/* Przycisk "Kup teraz" na stronie szczegółów produktu */
.product-detail-actions {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.btn-buy-now {
  display: inline-block;
  background-color: #ff6b00;  /* Kolor Allegro */
  color: white;
  padding: 12px 24px;
  border-radius: 6px;
  font-weight: var(--font-weight-bold);
  text-decoration: none;
  font-size: var(--font-size-lg);
  transition: var(--transition);
  cursor: pointer;
}

.btn-buy-now:hover {
  background-color: #e55a00;
  transform: scale(1.05);
  text-decoration: none;
}

.btn-buy-now:active {
  transform: scale(0.98);
}

/* ==========================================
   FILTERS / FILTRY
   ========================================== */
.filters {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  flex-wrap: wrap;
  align-items: flex-start;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  min-width: 200px;
  flex: 1;
}

.filter-group label {
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.filter-group select,
.filter-group input {
  padding: 10px 14px;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  background-color: white;
  transition: all 0.2s ease;
}

.filter-group select:focus,
.filter-group input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
  transform: translateY(-1px);
}

.filter-group select:hover,
.filter-group input:hover {
  border-color: var(--color-primary);
}

/* Price range group */
.price-range-group {
  flex-direction: column;
  align-items: flex-start;
  min-width: 320px;
  flex: 1.5;
  background-color: white;
  padding: var(--spacing-md);
  border-radius: 8px;
  border: 1px solid var(--color-border-light);
}

.price-inputs {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
}

.price-inputs input {
  flex: 1;
  min-width: 80px;
  font-weight: 600;
}

.price-separator {
  color: var(--color-text-secondary);
  font-weight: bold;
  font-size: 18px;
}

.price-slider-container {
  width: 100%;
  margin-top: var(--spacing-md);
}

.price-slider-container input[type="range"] {
  width: 100%;
  height: 8px;
  background: linear-gradient(to right, var(--color-accent) 0%, var(--color-accent) 100%, var(--color-border) 100%, var(--color-border) 100%);
  border-radius: 4px;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

.price-slider-container input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: linear-gradient(135deg, var(--color-accent), #0052a3);
  cursor: pointer;
  border-radius: 50%;
  border: 3px solid white;
  box-shadow: 0 3px 6px rgba(0,0,0,0.3);
  transition: transform 0.2s ease;
}

.price-slider-container input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.price-slider-container input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: linear-gradient(135deg, var(--color-accent), #0052a3);
  cursor: pointer;
  border-radius: 50%;
  border: 3px solid white;
  box-shadow: 0 3px 6px rgba(0,0,0,0.3);
  transition: transform 0.2s ease;
}

.price-slider-container input[type="range"]::-moz-range-thumb:hover {
  transform: scale(1.15);
}

.price-slider-value {
  display: flex;
  justify-content: space-between;
  margin-top: var(--spacing-sm);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
}

/* ==========================================
   FOOTER / STOPKA
   ========================================== */
#footer-placeholder {
  margin: 0;
  padding: 0;
  margin-top: auto;
}

footer {
  background-color: var(--color-primary);
  color: var(--color-bg-main);
  padding: var(--spacing-xxl) 0 0 0;
  margin: 0;
  border-top: 1px solid var(--color-border);
  width: 100%;
}

.footer-container {
  margin: 0;
  padding: 0 var(--spacing-lg) var(--spacing-lg) var(--spacing-lg);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.footer-section h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  color: var(--color-bg-main);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: var(--spacing-sm);
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: var(--color-bg-main);
  transition: var(--transition);
}

.footer-section a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding: var(--spacing-lg) 0;
  margin: 0;
  text-align: center;
  color: rgba(255, 255, 255, 0.8);
}

.footer-bottom p {
  margin: 0;
  padding: 0;
}

/* ==========================================
   LOADING I EMPTY STATES
   ========================================== */
.loading {
  text-align: center;
  padding: var(--spacing-xxl);
  color: var(--color-text-secondary);
}

.loading::after {
  content: '';
  display: inline-block;
  width: 40px;
  height: 40px;
  margin-left: var(--spacing-md);
  border: 4px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.empty-state {
  text-align: center;
  padding: var(--spacing-xxl);
  color: var(--color-text-secondary);
}

.empty-state svg {
  width: 100px;
  height: 100px;
  margin-bottom: var(--spacing-lg);
  opacity: 0.5;
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */
@media (max-width: 1024px) {
  .header-container {
    flex-wrap: wrap;
    gap: var(--spacing-md);
  }

  nav {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  .search-bar {
    width: 100%;
  }

  .main-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .sidebar {
    position: static;
    margin-bottom: var(--spacing-lg);
    width: 100%;
  }

  .sidebar-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-md);
    border-bottom: 2px solid var(--color-border);
  }

  .category-list {
    max-height: 400px;
  }

  .category-list.collapsed {
    max-height: 0;
  }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }
}

/* Desktop - normalne menu */
@media (min-width: 769px) {
  .hamburger {
    display: none !important;
  }

  nav {
    display: flex !important;
    position: static !important;
    max-height: none !important;
    background-color: transparent !important;
    flex-direction: row !important;
    padding: 0 !important;
  }
}

@media (max-width: 768px) {
  /* Header dynamiczny na mobilnych */
  .header-container {
    flex-direction: row;
    flex-wrap: nowrap;
    gap: var(--spacing-sm);
    align-items: center;
  }

  .hamburger {
    display: flex;
  }

  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-primary-dark);
    flex-direction: column;
    width: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    gap: 0;
    padding: 0;
    z-index: 1000;
  }

  nav.active {
    max-height: 400px;
    padding: var(--spacing-md);
    z-index: 1000;
  }

  nav a {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom-color: transparent;
  }

  nav a:last-child {
    border-bottom: none;
  }

  nav a.active {
    background-color: rgba(0, 102, 204, 0.2);
  }

  .search-bar {
    display: none;
  }

  .logo {
    flex: 1;
  }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-md);
  }

  .product-image {
    height: 200px;
  }

  .content-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .filters {
    flex-direction: column;
  }

  .filter-group {
    width: 100%;
  }

  .filter-group select,
  .filter-group input {
    width: 100%;
  }

  .product-info {
    padding: var(--spacing-md);
  }

  .product-footer {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
  }

  .product-price {
    width: 100%;
    text-align: center;
    margin-bottom: var(--spacing-sm);
  }

  .product-buttons {
    width: 100%;
    justify-content: space-between;
  }

  .product-details-link,
  .btn-buy-card {
    flex: 1;
    text-align: center;
    padding: 10px 8px;
    font-size: 12px;
  }

  .sidebar-title {
    width: 100%;
    font-size: var(--font-size-lg);
  }

  .category-link {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
  }

  .category-list {
    max-height: 300px;
    overflow-y: auto;
  }
}

@media (max-width: 480px) {
  header {
    padding: var(--spacing-md) var(--spacing-sm);
  }

  .header-container {
    gap: var(--spacing-xs);
  }

  .logo {
    font-size: var(--font-size-xl);
  }


  .hamburger {
    margin-left: auto;
  }

  nav {
    max-height: 0;
    z-index: 1000;
  }

  nav.active {
    max-height: 300px;
    z-index: 1000;
  }

  .main-container {
    padding: var(--spacing-md) var(--spacing-sm);
    gap: var(--spacing-md);
  }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--spacing-sm);
  }

  .product-image {
    height: 140px;
  }

  .product-name {
    font-size: var(--font-size-base);
    min-height: auto;
  }

  .product-price {
    font-size: var(--font-size-lg);
  }

  nav {
    gap: var(--spacing-sm);
  }

  nav a {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
  }

  .product-info {
    padding: var(--spacing-md) var(--spacing-sm);
  }
}

/* ==========================================
   HERO SLIDER / BANER
   ========================================== */
.hero-section {
  background: linear-gradient(135deg, #1a3a52 0%, #2d5a7b 100%);
  color: white;
  padding: 0;
  margin: 0 0 var(--spacing-xxl) 0;
  position: relative;
  overflow: hidden;
  min-height: 400px;
}

.hero-slider {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Grafiki tła dla slajdów banera */
.hero-slide:nth-child(1) {
  background-image: 
    linear-gradient(rgba(26, 58, 82, 0.7), rgba(45, 90, 123, 0.7)),
    url('../assets/hero-banner-1.jpg');
  background-size: cover;
  background-position: center;
}

.hero-slide:nth-child(2) {
  background-image: 
    linear-gradient(rgba(26, 58, 82, 0.7), rgba(45, 90, 123, 0.7)),
    url('../assets/hero-banner-2.jpg');
  background-size: cover;
  background-position: center;
}

.hero-slide:nth-child(3) {
  background-image: 
    linear-gradient(rgba(26, 58, 82, 0.7), rgba(45, 90, 123, 0.7)),
    url('../assets/hero-banner-3.jpg');
  background-size: cover;
  background-position: center;
}

.hero-slide {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xxl);
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide h2 {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
  font-weight: var(--font-weight-bold);
}

.hero-slide p {
  font-size: 20px;
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
}

.hero-controls {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.hero-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all 0.3s ease;
}

.hero-dot.active {
  background-color: white;
  transform: scale(1.3);
}

.hero-btn {
  background-color: var(--color-accent);
  color: white;
  padding: 12px 30px;
  border: none;
  border-radius: 6px;
  font-weight: var(--font-weight-bold);
  cursor: pointer;
  transition: all 0.3s ease;
}

.hero-btn:hover {
  background-color: #0052a3;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

/* ==========================================
   BANNER SEKCJE
   ========================================== */
.banner-section {
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-xxl) var(--spacing-lg);
  margin-bottom: var(--spacing-xxl);
  border-radius: 12px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.banner-section:nth-child(even) {
  grid-template-columns: 1fr 1fr;
}

.banner-section:nth-child(even) .banner-content {
  order: 2;
}

.banner-section:nth-child(even) .banner-image {
  order: 1;
}

.banner-content h3 {
  font-size: 32px;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  font-weight: var(--font-weight-bold);
}

.banner-content p {
  font-size: 16px;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.banner-image {
  text-align: center;
  font-size: 80px;
}

@media (max-width: 768px) {
  .hero-slide {
    padding: var(--spacing-lg);
  }

  .hero-slide h2 {
    font-size: 32px;
  }

  .hero-slide p {
    font-size: 16px;
  }

  .banner-section {
    grid-template-columns: 1fr !important;
  }

  .banner-section .banner-content,
  .banner-section .banner-image {
    order: initial !important;
  }

  .banner-image {
    font-size: 60px;
  }
}

/* ==========================================
   KATEGORIE SHOWCASE
   ========================================== */
.categories-showcase {
  padding: var(--spacing-xxl) var(--spacing-lg);
  margin-bottom: var(--spacing-xxl);
}

.categories-showcase h2 {
  font-size: 32px;
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
  text-align: center;
  font-weight: var(--font-weight-bold);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.category-showcase-card {
  background: linear-gradient(135deg, #f5f5f5 0%, #eeeeee 100%);
  padding: var(--spacing-lg);
  border-radius: 12px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.category-showcase-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
  border-color: var(--color-accent);
}

.category-showcase-card .icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
}

.category-showcase-card h4 {
  font-size: 18px;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.category-showcase-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
}

/* ==========================================
   TRUST BADGES / CERTYFIKATY
   ========================================== */
.trust-section {
  background-color: var(--color-primary);
  color: white;
  padding: var(--spacing-xl) var(--spacing-lg);
  margin-bottom: var(--spacing-xxl);
  border-radius: 12px;
  text-align: center;
}

.trust-section h3 {
  font-size: 24px;
  margin-bottom: var(--spacing-lg);
}

.trust-badges {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-lg);
}

.badge {
  background-color: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-lg);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.badge:hover {
  background-color: rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
}

.badge .icon {
  font-size: 40px;
  margin-bottom: var(--spacing-sm);
}

.badge h4 {
  font-size: 16px;
  margin-bottom: var(--spacing-xs);
}

.badge p {
  font-size: 12px;
  opacity: 0.9;
}

/* ==========================================
   LIGHTBOX - GALERIA ZDJĘĆ
   ========================================== */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.95);
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.3s ease;
  overflow: hidden;
}

.lightbox.active {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-image {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 40px;
  color: white;
  cursor: pointer;
  background: none;
  border: none;
  z-index: 10000;
  transition: transform 0.2s ease;
}

.lightbox-close:hover {
  transform: scale(1.2);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 40px;
  color: white;
  cursor: pointer;
  background: rgba(0, 0, 0, 0.5);
  border: none;
  padding: 10px 15px;
  border-radius: 4px;
  transition: all 0.2s ease;
  z-index: 9998;
}

.lightbox-nav:hover {
  background: rgba(0, 0, 0, 0.8);
  transform: translateY(-50%) scale(1.1);
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

.lightbox-info {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: white;
  font-size: 14px;
  background: rgba(0, 0, 0, 0.5);
  padding: 10px 20px;
  border-radius: 4px;
}

.gallery-thumbnails {
  display: flex;
  gap: 10px;
  margin-top: var(--spacing-lg);
  flex-wrap: wrap;
}

.gallery-thumbnail {
  width: 80px;
  height: 80px;
  border: 2px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
  overflow: hidden;
}

.gallery-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-thumbnail:hover,
.gallery-thumbnail.active {
  border-color: var(--color-primary);
  transform: scale(1.1);
}

/* ============================================
   KARTY BLOGOWE (dla strony głównej i bloga)
   ============================================ */
.blog-card {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  position: relative;
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.blog-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.blog-card-content {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-meta {
  display: flex;
  gap: 15px;
  font-size: 12px;
  color: #666;
  margin-bottom: 15px;
  flex-wrap: wrap;
}

.blog-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.blog-card h3 {
  font-size: 20px;
  color: #1a3a52;
  margin-bottom: 12px;
  line-height: 1.4;
  flex-grow: 1;
}

.blog-card p {
  color: #666;
  line-height: 1.6;
  margin-bottom: 20px;
  font-size: 14px;
}

.blog-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 15px;
  flex-wrap: wrap;
}

.blog-tags .tag {
  background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
  color: #0066cc;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.blog-card .btn {
  align-self: flex-start;
  margin-top: auto;
  position: relative;
  z-index: 3;
}

/* ==========================================
   RESPONSYWNE STYLE DLA NOWEGO UI KATALOGU
   ========================================== */
@media (max-width: 1200px) {
  .catalog-layout {
    grid-template-columns: 240px 1fr;
    gap: var(--spacing-lg);
  }

  .catalog-sidebar {
    padding: var(--spacing-md);
  }
}

@media (max-width: 1024px) {
  .catalog-wrapper {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .catalog-layout {
    grid-template-columns: 220px 1fr;
    gap: var(--spacing-md);
  }

  .filter-controls {
    gap: var(--spacing-sm);
  }

  .filter-control {
    min-width: 140px;
  }

  .category-node {
    padding: 10px 12px;
    font-size: 13px;
  }
}

@media (max-width: 768px) {
  .catalog-header {
    flex-direction: column;
    align-items: stretch;
  }

  .catalog-title-section {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
  
  .catalog-search-container {
    max-width: 100%;
    min-width: 100%;
  }
  
  .catalog-search-wrapper {
    flex-direction: column;
  }
  
  .catalog-search-btn {
    width: 100%;
  }
  
  .catalog-search-dropdown {
    right: 0;
  }

  .catalog-title-section h1 {
    font-size: 24px;
  }

  /* Layout zmienia się na pionowy */
  .catalog-layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  /* Sidebar staje się collapsible na mobile */
  .catalog-sidebar {
    position: relative;
    top: auto;
    max-height: none;
    order: -1; /* Kategorie NAD produktami */
    margin-bottom: var(--spacing-lg);
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
  }

  .sidebar-header {
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--color-accent) 0%, #0052a3 100%);
    color: white;
    border-radius: 0;
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
  }

  .sidebar-header::after {
    content: '▼';
    float: none;
    transition: transform 0.3s ease;
    font-size: 14px;
    font-weight: bold;
  }

  .catalog-sidebar.collapsed .sidebar-header::after {
    transform: rotate(-180deg);
  }

  .catalog-sidebar.collapsed .category-tree {
    display: none;
  }
  
  .catalog-sidebar:not(.collapsed) .category-tree {
    padding: var(--spacing-sm);
    animation: slideDown 0.3s ease;
  }
  
  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  /* Kategorie na mobile - większe przyciski */
  .category-node {
    padding: 14px 16px;
    font-size: 15px;
    min-height: 48px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    margin-bottom: 6px;
  }
  
  .category-sub-node {
    padding: 12px 14px;
    font-size: 14px;
    min-height: 44px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    margin-bottom: 4px;
  }
  
  .category-subs {
    padding-left: 12px;
    margin-top: 6px;
  }

  .catalog-content {
    order: 1; /* Produkty POD kategoriami */
  }

  .filters-bar {
    padding: var(--spacing-md);
  }

  .filter-section {
    margin-bottom: var(--spacing-md);
  }

  .filter-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-control {
    min-width: 100%;
    width: 100%;
  }

  .price-filter {
    min-width: 100%;
  }

  .price-range {
    flex-wrap: wrap;
  }

  .price-range input {
    min-width: 0;
    flex: 1 1 calc(50% - 20px);
  }

  .clear-filters-btn {
    width: 100%;
    justify-content: center;
  }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--spacing-md);
  }

  .breadcrumbs {
    font-size: 12px;
  }

  .active-filters {
    flex-direction: column;
    align-items: flex-start;
  }

  /* Drzewko kategorii - mniejsze wcięcia na mobile */
  .category-children {
    margin-left: 16px;
    padding-left: 8px;
  }

  .category-node {
    padding: 10px 10px;
    font-size: 13px;
  }

  .category-children .category-node {
    padding: 8px 8px;
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .catalog-title-section h1 {
    font-size: 20px;
  }

  .product-counter {
    font-size: 12px;
    padding: 4px 10px;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .category-node {
    padding: 8px 8px;
    font-size: 12px;
  }

  .node-icon {
    font-size: 14px;
  }

  .category-count {
    padding: 3px 8px;
    font-size: 11px;
  }

  .category-children {
    margin-left: 0;
    padding-left: 0;
  }
}