/* ========================================
   Nursery E-Commerce - Main Stylesheet
   Nature-Inspired Green Theme
   ======================================== */

/* ========== CSS Variables ========== */
:root {
  /* Colors */
  --primary-green: #2d6a4f;
  --light-green: #52b788;
  --dark-green: #1b4332;
  --accent-orange: #f77f00;
  --light-bg: #f8f9fa;
  --white: #ffffff;
  --text-dark: #212529;
  --text-muted: #6c757d;
  --border-color: #dee2e6;
  --success: #40916c;
  --danger: #dc3545;
  
  /* Gradients */
  --gradient-green: linear-gradient(135deg, var(--dark-green) 0%, var(--primary-green) 100%);
  --gradient-light: linear-gradient(135deg, var(--light-green) 0%, var(--primary-green) 100%);
  
  /* Typography */
  --font-family: 'Poppins', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-lg: 18px;
  --font-size-xl: 24px;
  
  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 50px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--light-bg);
  overflow-x: hidden;
}

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

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

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-muted);
}

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

a:hover {
  color: var(--light-green);
}

/* ========== Navbar ========== */
.navbar {
  background: var(--white);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition-base);
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-green) !important;
  display: flex;
  align-items: center;
  gap: 10px;
}

.navbar-brand i {
  color: var(--light-green);
  font-size: 1.8rem;
}

.nav-link {
  color: var(--text-dark) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  transition: var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--gradient-green);
  transition: var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-green) !important;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

.cart-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--accent-orange);
  color: var(--white);
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
}

.search-box {
  position: relative;
  max-width: 400px;
}

.search-box input {
  padding-left: 40px;
  border-radius: var(--radius-full);
  border: 2px solid var(--border-color);
  transition: var(--transition-fast);
}

.search-box input:focus {
  border-color: var(--primary-green);
  box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.1);
}

.search-box i {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

/* ========== Hero Section ========== */
.hero-section {
  position: relative;
  height: 600px;
  background: linear-gradient(rgba(27, 67, 50, 0.6), rgba(27, 67, 50, 0.6)),
              url('../assets/images/hero/hero-banner.jpg') center/cover;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  text-align: center;
  margin-top: -16px;
  overflow: hidden;
}

.hero-content {
  max-width: 800px;
  padding: var(--spacing-lg);
  animation: fadeInUp 1s ease;
}

.hero-content h1 {
  font-size: 3.5rem;
  color: var(--white);
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-content p {
  font-size: 1.3rem;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: var(--spacing-lg);
}

.delivery-badge {
  display: inline-block;
  background: var(--accent-orange);
  color: var(--white);
  padding: 10px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  margin-top: var(--spacing-sm);
  box-shadow: var(--shadow-lg);
}

/* ========== Buttons ========== */
.btn {
  padding: 12px 32px;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: var(--transition-base);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-green);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--white);
}

.btn-secondary {
  background: var(--accent-orange);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  background: #e67300;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--white);
}

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

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

.btn-lg {
  padding: 16px 40px;
  font-size: var(--font-size-lg);
}

.btn-sm {
  padding: 8px 20px;
  font-size: var(--font-size-sm);
}

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

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

.section-title h2 {
  font-size: 2.5rem;
  color: var(--dark-green);
  margin-bottom: var(--spacing-sm);
}

.section-title p {
  font-size: var(--font-size-lg);
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.section-divider {
  width: 80px;
  height: 4px;
  background: var(--gradient-green);
  margin: var(--spacing-sm) auto var(--spacing-lg);
  border-radius: 2px;
}

/* ========== Category Cards ========== */
.category-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  cursor: pointer;
  text-decoration: none;
  display: block;
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.category-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: var(--transition-slow);
}

.category-card:hover img {
  transform: scale(1.1);
}

.category-card-body {
  padding: var(--spacing-md);
  text-align: center;
}

.category-card-body h5 {
  color: var(--dark-green);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.category-card-body p {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  margin: 0;
}

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

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.product-image-wrapper {
  position: relative;
  overflow: hidden;
  height: 280px;
  background: var(--light-bg);
}

.product-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.product-card:hover img {
  transform: scale(1.1);
}

.product-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--accent-orange);
  color: var(--white);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.product-badge.new {
  background: var(--success);
}

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

.product-category {
  color: var(--text-muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.product-title {
  font-size: 1.1rem;
  color: var(--dark-green);
  margin-bottom: 12px;
  font-weight: 600;
  flex: 1;
}

.product-price {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--spacing-sm);
}

.current-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-green);
}

.original-price {
  font-size: 1rem;
  color: var(--text-muted);
  text-decoration: line-through;
}

.discount-percent {
  background: #d4edda;
  color: #155724;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
}

.product-actions {
  display: flex;
  gap: 10px;
}

.add-to-cart-btn {
  flex: 1;
  padding: 12px;
  background: var(--primary-green);
  color: var(--white);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-base);
}

.add-to-cart-btn:hover {
  background: var(--dark-green);
  transform: translateY(-2px);
}

.quick-view-btn {
  padding: 12px;
  background: var(--light-bg);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-base);
  color: var(--text-dark);
}

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

/* ========== Features Section ========== */
.feature-box {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

.feature-box:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-size: 2rem;
  color: var(--white);
}

.feature-box h5 {
  color: var(--dark-green);
  margin-bottom: var(--spacing-sm);
}

.feature-box p {
  color: var(--text-muted);
  margin: 0;
}

/* ========== Testimonials ========== */
.testimonial-card {
  background: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.testimonial-text {
  font-style: italic;
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
  line-height: 1.8;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin-top: var(--spacing-md);
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-green);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 600;
  font-size: 1.2rem;
}

.testimonial-info h6 {
  margin: 0;
  color: var(--dark-green);
}

.testimonial-info p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.rating {
  color: var(--accent-orange);
  margin-bottom: var(--spacing-sm);
}

/* ========== Forms ========== */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: 8px;
  color: var(--dark-green);
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  transition: var(--transition-fast);
  font-family: var(--font-family);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-green);
  box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.1);
}

.form-control.is-invalid {
  border-color: var(--danger);
}

.invalid-feedback {
  color: var(--danger);
  font-size: var(--font-size-sm);
  margin-top: 6px;
  display: block;
}

select.form-control {
  cursor: pointer;
}

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

/* ========== Status Badges ========== */
.badge {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  display: inline-block;
}

.badge-success {
  background: #d4edda;
  color: #155724;
}

.badge-warning {
  background: #fff3cd;
  color: #856404;
}

.badge-danger {
  background: #f8d7da;
  color: #721c24;
}

.badge-info {
  background: #d1ecf1;
  color: #0c5460;
}

.badge-primary {
  background: rgba(45, 106, 79, 0.1);
  color: var(--primary-green);
}

/* ========== Footer ========== */
.footer {
  background: var(--dark-green);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--spacing-xl) 0 var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.footer h5 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  font-size: 1.1rem;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--white);
  padding-left: 5px;
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: var(--spacing-sm);
}

.social-links a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: var(--transition-base);
}

.social-links a:hover {
  background: var(--light-green);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* ========== Utility Classes ========== */
.text-primary { color: var(--primary-green) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-white { color: var(--white) !important; }
.bg-light { background-color: var(--light-bg) !important; }
.bg-white { background-color: var(--white) !important; }
.mt-1 { margin-top: var(--spacing-xs) !important; }
.mt-2 { margin-top: var(--spacing-sm) !important; }
.mt-3 { margin-top: var(--spacing-md) !important; }
.mt-4 { margin-top: var(--spacing-lg) !important; }
.mb-1 { margin-bottom: var(--spacing-xs) !important; }
.mb-2 { margin-bottom: var(--spacing-sm) !important; }
.mb-3 { margin-bottom: var(--spacing-md) !important; }
.mb-4 { margin-bottom: var(--spacing-lg) !important; }
.py-5 { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }

/* ========== Animations ========== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fadeIn 0.6s ease;
}

/* ========== Toast Notifications ========== */
.toast-container {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 9999;
}

.toast {
  background: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  margin-bottom: var(--spacing-sm);
  min-width: 300px;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideInRight 0.3s ease;
}

.toast.success {
  border-left: 4px solid var(--success);
}

.toast.error {
  border-left: 4px solid var(--danger);
}

.toast i {
  font-size: 1.5rem;
}

.toast.success i {
  color: var(--success);
}

.toast.error i {
  color: var(--danger);
}

@keyframes slideInRight {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ========== Mobile Bottom Navigation ========== */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--white);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  padding: 10px 0;
}

.mobile-nav-items {
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.mobile-nav-item {
  flex: 1;
  text-align: center;
  padding: 8px;
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-fast);
  position: relative;
}

.mobile-nav-item.active,
.mobile-nav-item:hover {
  color: var(--primary-green);
}

.mobile-nav-item i {
  font-size: 1.5rem;
  display: block;
  margin-bottom: 4px;
}

.mobile-nav-item span {
  font-size: 11px;
  display: block;
}

/* ========== Responsive Design ========== */
@media (max-width: 991px) {
  .hero-content h1 {
    font-size: 2.5rem;
  }
  
  .section-title h2 {
    font-size: 2rem;
  }
  
  .product-image-wrapper {
    height: 220px;
  }
}

@media (max-width: 768px) {
  .mobile-bottom-nav {
    display: block;
  }
  
  body {
    padding-bottom: 70px;
  }
  
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .hero-content p {
    font-size: 1.1rem;
  }
  
  .hero-section {
    height: 500px;
  }
  
  .section {
    padding: var(--spacing-lg) 0;
  }
  
  .btn-lg {
    padding: 14px 32px;
    font-size: 1rem;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
}

@media (max-width: 576px) {
  .hero-content h1 {
    font-size: 1.75rem;
  }
  
  .product-card-body {
    padding: var(--spacing-sm);
  }
  
  .current-price {
    font-size: 1.25rem;
  }
  
  .footer {
    text-align: center;
  }
  
  .social-links {
    justify-content: center;
  }
}

/* ========== Loading Spinner ========== */
.spinner {
  border: 3px solid var(--light-bg);
  border-top: 3px solid var(--primary-green);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ========== Empty State ========== */
.empty-state {
  text-align: center;
  padding: var(--spacing-xl);
}

.empty-state i {
  font-size: 4rem;
  color: var(--text-muted);
  opacity: 0.5;
  margin-bottom: var(--spacing-md);
}

.empty-state h4 {
  color: var(--text-muted);
  margin-bottom: var(--spacing-sm);
}

.empty-state p {
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
}