/* Blinkit-Inspired Design System */
:root {
  /* Blinkit Colors */
  --primary-yellow: #F8CB00;
  --primary-green: #0C831F;
  --dark-green: #0A6E1A;
  --light-yellow: #FFF8D6;
  --bg-tint: #FFFBEA;
  
  /* Neutral Colors */
  --bg-white: #FFFFFF;
  --bg-light: #F8F9FA;
  --text-primary: #1E1E1E;
  --text-secondary: #666666;
  --text-muted: #999999;
  --border-color: #E5E5E5;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.12);
  
  /* Typography - Gilroy-like (Using Nunito as fallback) */
  --font-primary: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-weight-regular: 400;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 999px;
  
  /* Z-index */
  --z-header: 100;
  --z-bottom-nav: 100;
  --z-modal: 200;
}

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

body {
  font-family: var(--font-primary);
  color: var(--text-primary);
  background: var(--bg-tint);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Mobile-First Container */
.container-blinkit {
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
  .container-blinkit {
    max-width: 1200px;
  }
}

/* Sticky Header */
.header-sticky {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--bg-white);
  box-shadow: var(--shadow);
}

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

.location-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex: 1;
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: background 0.2s;
}

.location-bar:hover {
  background: var(--bg-light);
}

.location-text {
  font-size: 12px;
  color: var(--text-secondary);
}

.location-address {
  font-size: 14px;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Search Bar */
.search-container {
  flex: 2;
  position: relative;
}

.search-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  padding-left: 40px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 14px;
  outline: none;
  transition: all 0.2s;
  background: var(--bg-light);
}

.search-input:focus {
  border-color: var(--primary-green);
  background: var(--bg-white);
  box-shadow: 0 0 0 3px rgba(12, 131, 31, 0.1);
}

.search-icon {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header-icon-btn {
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: background 0.2s;
}

.header-icon-btn:hover {
  background: var(--bg-light);
}

.cart-badge {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--primary-green);
  color: white;
  font-size: 10px;
  font-weight: var(--font-weight-bold);
  padding: 2px 6px;
  border-radius: var(--radius-full);
  min-width: 18px;
  text-align: center;
}

/* Bottom Tab Navigation (Mobile) */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-white);
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.08);
  z-index: var(--z-bottom-nav);
  display: flex;
  justify-content: space-around;
  padding: var(--spacing-sm) 0;
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: var(--spacing-sm);
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 12px;
  transition: color 0.2s;
  flex: 1;
  max-width: 100px;
}

.bottom-nav-item.active {
  color: var(--primary-green);
  font-weight: var(--font-weight-semibold);
}

.bottom-nav-icon {
  font-size: 24px;
}

@media (min-width: 768px) {
  .bottom-nav {
    display: none;
  }
}

/* Category Chips */
.category-rail {
  display: flex;
  gap: var(--spacing-sm);
  overflow-x: auto;
  padding: var(--spacing-md) 0;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.category-rail::-webkit-scrollbar {
  display: none;
}

.category-chip {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.2s;
}

.category-chip:hover,
.category-chip.active {
  background: var(--primary-green);
  color: white;
  border-color: var(--primary-green);
}

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  margin-bottom: 80px; /* Space for bottom nav on mobile */
}

@media (min-width: 640px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(4, 1fr);
    margin-bottom: 0;
  }
}

@media (min-width: 1280px) {
  .product-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

/* Product Card */
.product-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  height: 100%;
}

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

.product-image-wrapper {
  position: relative;
  padding-top: 100%;
  background: var(--bg-light);
  overflow: hidden;
}

.product-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-badge {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background: var(--primary-yellow);
  color: var(--text-primary);
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

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

.product-name {
  font-size: 14px;
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-weight {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
}

.product-pricing {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  margin-top: auto;
}

.product-price {
  font-size: 16px;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.product-mrp {
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: line-through;
}

/* Quick Add Button */
.btn-quick-add {
  width: 100%;
  padding: var(--spacing-sm);
  background: var(--primary-green);
  color: white;
  border: 2px solid var(--primary-green);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: var(--font-weight-bold);
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
  text-decoration: none;
  display: inline-block;
}

.btn-quick-add:hover {
  background: var(--dark-green);
  border-color: var(--dark-green);
  transform: scale(1.02);
}

.btn-outline {
  background: white;
  color: var(--primary-green);
  border: 2px solid var(--primary-green);
}

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

/* Quantity Selector */
.quantity-selector {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
}

.quantity-btn {
  width: 32px;
  height: 32px;
  border: 2px solid var(--primary-green);
  background: white;
  color: var(--primary-green);
  border-radius: var(--radius-md);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  transition: all 0.2s;
}

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

.quantity-value {
  font-size: 16px;
  font-weight: var(--font-weight-bold);
  min-width: 30px;
  text-align: center;
}

/* Hero Banner */
.hero-banner {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--spacing-lg);
}

.hero-slide {
  position: relative;
  height: 200px;
  background: linear-gradient(135deg, var(--primary-yellow) 0%, var(--primary-green) 100%);
}

@media (min-width: 768px) {
  .hero-slide {
    height: 300px;
  }
}

.hero-content {
  padding: var(--spacing-xl);
  color: white;
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-title {
  font-size: 24px;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 36px;
  }
}

.hero-subtitle {
  font-size: 14px;
  margin-bottom: var(--spacing-md);
  opacity: 0.9;
}

@media (min-width: 768px) {
  .hero-subtitle {
    font-size: 18px;
  }
}

.btn-hero {
  background: white;
  color: var(--primary-green);
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--radius-full);
  font-size: 16px;
  font-weight: var(--font-weight-bold);
  cursor: pointer;
  display: inline-block;
  text-decoration: none;
  transition: all 0.2s;
  align-self: flex-start;
}

.btn-hero:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-hover);
}

/* Section Headers */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: var(--spacing-lg) 0 var(--spacing-md) 0;
}

.section-title {
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

@media (min-width: 768px) {
  .section-title {
    font-size: 24px;
  }
}

.see-all-link {
  font-size: 14px;
  color: var(--primary-green);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color 0.2s;
}

.see-all-link:hover {
  color: var(--dark-green);
}

/* Loading Skeleton */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: var(--radius-md);
}

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

/* Utility Classes */
.hidden-mobile {
  display: none;
}

@media (min-width: 768px) {
  .hidden-mobile {
    display: block;
  }
}

.hidden-desktop {
  display: block;
}

@media (min-width: 768px) {
  .hidden-desktop {
    display: none;
  }
}

.text-center {
  text-align: center;
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Touch Interactions */
@media (hover: none) {
  .product-card:active {
    transform: scale(0.98);
  }
  
  .btn-quick-add:active {
    transform: scale(0.95);
  }
}

/* Mobile View Adjustments (viewport simulation for screenshot) */
@media (max-width: 767px) {
  body {
    padding-bottom: 70px; /* Space for bottom nav */
  }
  
  .header-content {
    flex-wrap: wrap;
  }
  
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }
  
  .hero-title {
    font-size: 20px;
  }
  
  .hero-subtitle {
    font-size: 13px;
  }
}