/* 
 * Fubca Toner E-commerce - Modern Flat Design
 * Version: 2.0
 * Date: 2025-09-08
 */

/* CSS Variables for consistent theming */
:root {
  /* Primary Colors */
  --primary-color: #17243f;
  --primary-dark: #0f1829;
  --primary-light: #2a3654;
  
  /* Secondary Colors */
  --secondary-color: #f59e0b;
  --secondary-dark: #d97706;
  --secondary-light: #fbbf24;
  
  /* Neutral Colors */
  --white: #ffffff;
  --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: #1f2937;
  --gray-900: #111827;
  
  /* Status Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #3b82f6;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-base: 0.2s ease-in-out;
  --transition-slow: 0.3s ease-in-out;
}

/* Header theme variables */
:root {
  --header-bg: var(--white);
  --header-text: var(--gray-800);
  --header-muted: var(--gray-600);
  --header-border: var(--gray-200);
  --nav-bg: var(--primary-color);
  --nav-hover-bg: var(--primary-light);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--gray-800);
  background-color: var(--gray-50);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--gray-900);
  margin-bottom: var(--spacing-4);
}

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-base); }

p {
  margin-top: 0;
  margin-bottom: var(--spacing-4);
  line-height: 1.6;
}

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

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

/* Layout Components */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-4);
}

/* Header Styles */
.site-header {
  background-color: var(--white);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
}

/* Mobile menu button - subtle outlined */
.mobile-nav-toggle {
  display:none;
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  border-radius: var(--radius-md);
  padding: 6px 8px;
}
.mobile-nav-toggle:hover { background: var(--primary-color); color: var(--white); }

.header-top {
  background-color: var(--primary-color);
  color: var(--white);
  padding: var(--spacing-2) 0;
  font-size: var(--font-size-sm);
}
/* Gentle contrast for links in the top bar */
.header-top a { color: #e5e7eb; }
.header-top a:hover { color: #ffffff; text-decoration: underline; }

.header-main {
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-200);
}

/* Use a tidy grid for header alignment */
.header-content {
  display: grid;
  grid-template-columns: auto 1fr auto; /* logo | search | actions */
  align-items: center;
  gap: var(--spacing-6);
}

.logo { flex-shrink: 0; display:flex; align-items:center; }

.logo h1 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--primary-color);
  margin: 0;
}

.logo img {
  height: 34px;
  width: auto;
  display: block;
}

/* Search Bar */
.search-section {
  flex: 1;
  max-width: 560px;
  position: relative;
  margin: 4px 0;
}

/* Search preview dropdown */
.search-preview {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  max-height: 380px;
  overflow-y: auto;
}

.search-preview .item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  cursor: pointer;
}
.search-preview .item:hover { background: var(--gray-100); }
.search-preview .thumb { width: 40px; height: 40px; border-radius: 6px; object-fit: contain; background:#fff; border:1px solid var(--gray-200); }
.search-preview .meta { display:flex; flex-direction:column; min-width:0; }
.search-preview .title { font-size: 14px; color: var(--gray-900); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.search-preview .brand { font-size: 12px; color: var(--gray-500); }
.search-preview .price { margin-left:auto; font-weight:700; color: var(--primary-color); }

.search-form {
  position: relative;
}

.search-input {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  padding-right: 44px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  background: var(--white);
}
.search-input::placeholder { color: var(--gray-500); }

.search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

.search-btn {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--primary-color);
  color: var(--white);
  border: none;
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color var(--transition-base);
}

.search-btn:hover {
  background: var(--primary-dark);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.action-item {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  color: var(--gray-700);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-base), color var(--transition-base);
  min-height: 36px;
}
.header-actions .action-item i { color: var(--primary-color); }

.action-item:hover {
  background-color: var(--gray-100);
  color: var(--primary-color);
}

.action-icon { width: 20px; height: 20px; }

.badge {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--error);
  color: var(--white);
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 10px;
  min-width: 20px;
  text-align: center;
}

/* Focus rings for header interactive elements */
.mobile-nav-toggle:focus-visible,
.search-btn:focus-visible,
.action-item:focus-visible,
.nav-item a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(23, 36, 63, 0.25);
}

/* Navigation */
.main-nav {
  background-color: var(--primary-color);
  padding: var(--spacing-3) 0;
}

  .nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-3);
  margin: 0;
  padding: 0;
}

/* Mobile nav dropdown behavior */
@media (max-width: 768px) {
  .mobile-nav-toggle { display:block; }
  .main-nav { position: relative; }
  .main-nav .nav-menu { display:none; flex-direction: column; gap:0; position:absolute; left:0; right:0; top:100%; background: var(--primary-color); padding: 6px 0; border-top: 1px solid rgba(255, 255, 255, 0.08); max-height: calc(100vh - 64px); overflow-y: auto; }
  .main-nav.open .nav-menu { display:flex; }
  .nav-item { position: static; }
  .main-nav .nav-menu > .nav-item { position: static !important; }
  .nav-item a { border-radius: 0; padding: 12px 16px; width: 100%; display: flex; align-items: center; justify-content: space-between; }
  .main-nav .nav-menu .nav-item + .nav-item a { border-top: 1px solid rgba(255, 255, 255, 0.08); }
  /* Mobile submenu as collapsible panel under parent */
  .nav-item .submenu { position: static; display: none; background: transparent; border: none; box-shadow: none; margin: 0; padding: 4px 0 8px; }
  .nav-item .submenu li a { color: rgba(255, 255, 255, 0.9); padding: 10px 20px 10px 32px; background: transparent; width: 100%; display: block; }
  /* Disable hover-open on mobile; rely on .open class */
  .nav-item.has-submenu:hover > .submenu,
  .nav-item.has-submenu:focus-within > .submenu { display: none; }
  /* Ensure tap toggled submenus show on mobile */
  .nav-item.open > .submenu { display:block; }
  .nav-item.open > a::after { transform: scaleX(1); }
  .nav-item.open > a { background-color: rgba(255, 255, 255, 0.06); }
  /* Rotate chevron when open */
  .nav-item.has-submenu > a .fa-chevron-down { transition: transform var(--transition-base); }
  .nav-item.open > a .fa-chevron-down { transform: rotate(180deg); }
}

.nav-item a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  color: var(--white);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: background-color var(--transition-base), color var(--transition-base);
  min-height: 42px;
  position: relative;
  letter-spacing: 0.2px;
}

.nav-item a:hover,
.nav-item.active a {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--white);
}

/* Underline indicator for nav links */
.nav-item a::after {
  content: '';
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 8px;
  height: 2px;
  background: transparent;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base), background-color var(--transition-base);
}
.nav-item a:hover::after,
.nav-item.active a::after { background: var(--secondary-color); transform: scaleX(1); }

/* Ensure each nav item sizes to its content and anchors dropdowns beneath themselves */
.main-nav .nav-menu > .nav-item { flex: 0 0 auto; position: relative; }
.main-nav .nav-menu > .nav-item > .submenu { left: 0; right: auto; top: 100%; }

/* Dropdown submenu */
.nav-item .submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  min-width: 220px;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: 6px 0;
  z-index: 1001;
}

.nav-item .submenu li a {
  display: block;
  padding: var(--spacing-3) var(--spacing-4);
  color: var(--gray-800);
  border-radius: 0;
}

.nav-item .submenu li a:hover {  
  background-color: var(--gray-100);
  color: var(--primary-color);
}

/* Show submenu when parent has .open (click/tap toggle) */
.nav-item.open > .submenu {
  display: block;
}

.nav-item.has-submenu:hover > .submenu,
.nav-item.has-submenu:focus-within > .submenu {
  display: block;
}

/* Mobile override placed AFTER desktop rules to win the cascade */
@media (max-width: 768px) {
  .main-nav .nav-menu > .nav-item > .submenu {
    position: static !important;
    display: none !important;
    background: transparent !important;
    border: 0 !important;
    box-shadow: none !important;
    padding: 4px 0 8px !important;
    min-width: 100% !important;
  }
  .main-nav .nav-menu > .nav-item.open > .submenu { display: block !important; }
  .main-nav .nav-menu > .nav-item.has-submenu:hover > .submenu,
  .main-nav .nav-menu > .nav-item.has-submenu:focus-within > .submenu { display: none !important; }
  .main-nav .nav-menu > .nav-item > .submenu li a { color: rgba(255,255,255,0.95) !important; pointer-events: auto; }
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
  line-height: 1;
}

.btn-primary {
  background: var(--primary-color);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--primary-dark);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--secondary-color);
  color: var(--white);
}

.btn-secondary:hover {
  background: var(--secondary-dark);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.95);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Ana sayfa slider butonları için daha iyi kontrast */
.section.bg-white .btn-outline {
  color: var(--gray-900);
  border-color: var(--gray-700);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
}

.section.bg-white .btn-outline:hover {
  background: var(--gray-900);
  color: var(--white);
  border-color: var(--gray-900);
}

.btn-sm {
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-lg);
}

/* Button loading state */
.btn.loading {
  opacity: 0.7;
  pointer-events: none;
}

.btn.loading::after {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 0.8s linear infinite;
  margin-left: 8px;
}

.btn.success {
  background-color: var(--success) !important;
  color: var(--white) !important;
}

/* Card Components */
.card {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-header {
  padding: var(--spacing-6);
  border-bottom: 1px solid var(--gray-200);
}

.card-body {
  padding: var(--spacing-6);
}

.card-footer {
  padding: var(--spacing-6);
  border-top: 1px solid var(--gray-200);
  background-color: var(--gray-50);
}

/* Product Cards */
.product-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* Reset margins for p elements in product cards */
.product-card p,
.product-info p {
  margin-top: 0;
  margin-bottom: var(--spacing-3);
}

/* Global p element reset to prevent spacing issues */
.products-grid p,
.product-card p,
.wishlist-item p,
.printer-compatibles-page p {
  margin-top: 0 !important;
  margin-bottom: 0.5rem;
}

/* Specific resets for common product display areas */
.product-brand,
.product-excerpt,
.product-description,
.product-info > p {
  margin-top: 0 !important;
  margin-bottom: 0.75rem;
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.product-image {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background-color: var(--white);
  padding: var(--spacing-3);
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform var(--transition-slow);
  border-radius: var(--radius-md);
}

 .product-card:hover .product-image img {
  transform: scale(1.02);
}

/* Optional fine-tuning helpers for image framing */
.product-image.tight { padding: var(--spacing-4); }
.product-image.loose { padding: var(--spacing-2); }

.product-info {
  padding: var(--spacing-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-2);
  line-height: 1.4;
}

.product-title-link {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-base);
}

.product-title-link:hover .product-title {
  color: var(--primary-color);
}

.product-excerpt,
.product-description {
  color: var(--gray-600);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-4);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4; /* limit to 4 lines */
  overflow: hidden;
  max-height: calc(1.5em * 4);
  min-height: calc(1.5em * 4);
}

.product-price {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-4);
}

.price-current {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-color);
}

.price-original {
  font-size: var(--font-size-base);
  color: var(--gray-500);
  text-decoration: line-through;
}

.price-discount {
  background: var(--error);
  color: var(--white);
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: var(--spacing-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

/* Homepage category cards - equal height and bottom-aligned buttons */
.section .grid-4 .card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

 .section .grid-4 .card .card-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  height: 100%;
  min-height: 360px; /* reduced to tighten whitespace */
}

.section .grid-4 .card .card-body p {
  flex-grow: 1;
  margin-bottom: var(--spacing-4); /* reduce space above button */
}

.section .grid-4 .card .card-body .btn {
  margin-top: auto !important;
  align-self: center;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: var(--spacing-16) 0;
  text-align: center;
}

.hero h1 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--spacing-6);
  color: var(--white);
}

.hero p {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-8);
  opacity: 0.9;
}

/* Section Styles */
.section {
  padding: var(--spacing-16) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-12);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-4);
}

.section-description {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* Footer */
.site-footer {
  background-color: var(--primary-dark);
  color: var(--gray-300);
  padding: var(--spacing-16) 0 var(--spacing-8) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-8);
}

.footer-section h3 {
  color: var(--white);
  margin-bottom: var(--spacing-4);
}

.footer-section a {
  color: var(--gray-300);
  display: block;
  margin-bottom: var(--spacing-2);
  transition: color var(--transition-base);
}

.footer-section a:hover {
  color: var(--white);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-8);
  border-top: 1px solid var(--gray-700);
  color: var(--gray-400);
}

/* Form Elements */
.form-group {
  margin-bottom: var(--spacing-5);
}

.form-label {
  display: block;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: var(--spacing-2);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

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

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }

.bg-primary { background-color: var(--primary-color); }
.bg-secondary { background-color: var(--secondary-color); }
.bg-gray-100 { background-color: var(--gray-100); }
.bg-white { background-color: var(--white); }

.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: 50%; }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }

.mt-2 { margin-top: var(--spacing-2); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }
.mt-auto { margin-top: auto; }

.p-4 { padding: var(--spacing-4); }
.p-6 { padding: var(--spacing-6); }
.p-8 { padding: var(--spacing-8); }

.px-4 { padding-left: var(--spacing-4); padding-right: var(--spacing-4); }
.py-4 { padding-top: var(--spacing-4); padding-bottom: var(--spacing-4); }

.flex { display: flex; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--spacing-2); }
.gap-4 { gap: var(--spacing-4); }
.gap-6 { gap: var(--spacing-6); }

/* Additional utilities */
.w-full { width: 100%; }
.h-full { height: 100%; }
.hidden { display: none; }
.inline { display: inline; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.self-center { align-self: center; }
.self-start { align-self: flex-start; }
.self-end { align-self: flex-end; }

.absolute { position: absolute; }
.relative { position: relative; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }
.top-3 { top: var(--spacing-3); }
.right-3 { right: var(--spacing-3); }
.left-3 { left: var(--spacing-3); }

.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-50 { z-index: 50; }
.z-100 { z-index: 100; }

.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-90 { opacity: 0.9; }

.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

.overflow-hidden { overflow: hidden; }
.overflow-visible { overflow: visible; }
.overflow-auto { overflow: auto; }

.transition-colors { transition: color var(--transition-base), background-color var(--transition-base); }
.transition-all { transition: all var(--transition-base); }

.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }
.text-4xl { font-size: var(--font-size-4xl); }

/* Color utilities */
.text-white { color: var(--white); }
.text-gray-300 { color: var(--gray-300); }
.text-gray-400 { color: var(--gray-400); }
.text-gray-500 { color: var(--gray-500); }
.text-gray-600 { color: var(--gray-600); }
.text-gray-700 { color: var(--gray-700); }
.text-gray-800 { color: var(--gray-800); }
.text-gray-900 { color: var(--gray-900); }

.text-blue-200 { color: #bfdbfe; }
.text-blue-400 { color: #60a5fa; }
.text-yellow-400 { color: #fbbf24; }

.bg-gray-400 { background-color: var(--gray-400); }
.bg-gray-500 { background-color: var(--gray-500); }
.bg-blue-100 { background-color: #dbeafe; }
.bg-green-100 { background-color: #dcfce7; }
.bg-yellow-100 { background-color: #fefce8; }
.bg-green-600 { background-color: #16a34a; }
.bg-blue-600 { background-color: #2563eb; }
.bg-orange-600 { background-color: #ea580c; }

.max-w-md { max-width: 28rem; }
.max-w-4xl { max-width: 56rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

.aspect-w-16 { aspect-ratio: 16 / 9; }
.aspect-h-9 { aspect-ratio: 16 / 9; }

.object-cover { object-fit: cover; }

.mr-1 { margin-right: var(--spacing-1); }
.mr-2 { margin-right: var(--spacing-2); }
.ml-2 { margin-left: var(--spacing-2); }
.space-y-3 > * + * { margin-top: var(--spacing-3); }
.space-y-4 > * + * { margin-top: var(--spacing-4); }
.space-x-3 > * + * { margin-left: var(--spacing-3); }
.border-l-4 { border-left-width: 4px; }
.border-yellow-500 { border-color: #f59e0b; }
.border-green-500 { border-color: #10b981; }
.border-red-500 { border-color: #ef4444; }
.rounded-r-lg { border-top-right-radius: var(--radius-lg); border-bottom-right-radius: var(--radius-lg); }
.list-disc { list-style-type: disc; }
.list-inside { list-style-position: inside; }
.sticky { position: sticky; }
.top-4 { top: var(--spacing-4); }
.fixed { position: fixed; }
.z-50 { z-index: 50; }
.transform { transform: translateX(0); }
.translate-x-full { transform: translateX(100%); }
.duration-300 { transition-duration: 0.3s; }

/* Fubca Notification System */
.fubca-notification {
  position: fixed;
  top: var(--spacing-4);
  right: var(--spacing-4);
  z-index: 9999;
  min-width: 320px;
  max-width: 400px;
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transform: translateX(100%);
  transition: all 0.3s ease;
  font-size: var(--font-size-sm);
}

.fubca-notification--show {
  transform: translateX(0);
}

.fubca-notification--success {
  background-color: var(--success);
  color: var(--white);
}

.fubca-notification--error {
  background-color: var(--error);
  color: var(--white);
}

.fubca-notification--warning {
  background-color: var(--warning);
  color: var(--white);
}

.fubca-notification--info {
  background-color: var(--info);
  color: var(--white);
}

.fubca-notification__content {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.fubca-notification__icon {
  flex-shrink: 0;
  font-size: var(--font-size-lg);
}

.fubca-notification__message {
  flex: 1;
  font-weight: 500;
}

@media (min-width: 768px) {
  .md:inline { display: inline; }
  .md:flex-row { flex-direction: row; }
}

/* Grid responsive for tablets */
@media (max-width: 1024px) {
  .grid-6 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  /* Hide top bar on small screens to save space */
  .header-top { display: none; }

  .container { padding: 0 var(--spacing-3); }
  
  /* Stack header: logo + toggle + actions row, search below */
  .header-content { display: grid; grid-template-columns: auto auto 1fr; gap: var(--spacing-3); align-items:center; }
  .search-section { grid-column: 1 / -1; order: 3; max-width: none; }
  .header-actions { justify-content: flex-end; gap: 6px; }
  .mobile-nav-toggle { margin-left: 6px; }
  .logo img { height: 30px; }
  .search-input { padding-right: 40px; }
  .search-btn { width: 32px; height: 32px; right: 5px; }
  
  /* Ensure search preview stays within the screen on mobile */
  .search-preview { max-height: 60vh; }

  /* Hide white sections on homepage (mobile only) */
  body.page-home .section.bg-white { display: none !important; }
  
  .nav-menu {
    overflow-x: auto;
    padding-bottom: var(--spacing-2);
  }
  
  .nav-menu::-webkit-scrollbar {
    display: none;
  }
  
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-6 { grid-template-columns: repeat(3, 1fr); }
  
  .hero h1 {
    font-size: var(--font-size-3xl);
  }
  
  .section-title {
    font-size: var(--font-size-2xl);
  }
  
  .product-info {
    padding: var(--spacing-4);
  }
  
  /* Fix category cards excessive height on mobile */
  .section .grid-4 .card .card-body {
    min-height: unset;
    padding: var(--spacing-5);
    align-items: stretch;
    text-align: left;
  }
  .section .grid-4 .card .card-body .btn { width: 100%; }
}

@media (max-width: 480px) {
  .grid-4,
  .grid-3,
  .grid-2,
  .grid-6 {
    grid-template-columns: 1fr;
  }
  
  .hero {
    padding: var(--spacing-12) 0;
  }
  
  .hero h1 {
    font-size: var(--font-size-2xl);
  }
  
  .section {
    padding: var(--spacing-12) 0;
  }
  
  /* Tighter gaps on very small screens */
  .products-grid { gap: 14px; }
  .product-image { height: 180px; }
  
  /* Ensure preview doesn't overflow viewport */
  .search-preview { left: 0; right: 0; top: 100%; }
}

/* Animation Keyframes */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInFromLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInFromRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Animation Classes */
.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

.animate-slide-in-left {
  animation: slideInFromLeft 0.6s ease-out;
}

.animate-slide-in-right {
  animation: slideInFromRight 0.6s ease-out;
}

.animation-delay-1 {
  animation-delay: 0.1s;
}

.animation-delay-2 {
  animation-delay: 0.2s;
}

.animation-delay-3 {
  animation-delay: 0.3s;
}

.animation-delay-4 {
  animation-delay: 0.4s;
}

/* For product cards */
.animation-delay-1.product-card { animation-delay: 0.1s; }
.animation-delay-2.product-card { animation-delay: 0.2s; }
.animation-delay-3.product-card { animation-delay: 0.3s; }
.animation-delay-4.product-card { animation-delay: 0.4s; }

/* Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--gray-300);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 0.8s linear infinite;
}

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

/* Hover Effects */
.hover-scale {
  transition: transform var(--transition-base);
}

.hover-scale:hover {
  transform: scale(1.02);
}

.hover-shadow {
  transition: box-shadow var(--transition-base);
}

.hover-shadow:hover {
  box-shadow: var(--shadow-lg);
}