/* Import Google Fonts */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Poppins:wght@300;400;500;600;700&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /*Color Palette with Modern Gradients */
  --primary-gradient: linear-gradient(
    135deg,
    #6a11cb 0%,
    #2575fc 100%
  ); /*  Primary Gradient */
  --secondary-gradient: linear-gradient(
    135deg,
    #f7b733 0%,
    #fc4a1a 100%
  ); /*  Secondary Gradient */
  --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --success-gradient: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
  --warning-gradient: linear-gradient(135deg, #fc4a1a 0%, #f7b733 100%);

  /* Glassmorphism Colors */
  --glass-bg: rgba(255, 255, 255, 0.25);
  --glass-border: rgba(255, 255, 255, 0.18);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);

  /* Dark Mode Colors */
  --dark-bg: #0f0f23;
  --dark-surface: #1a1a2e;
  --dark-glass: rgba(255, 255, 255, 0.1);

  /* Enhanced Typography */
  --font-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  --font-secondary: "Poppins", sans-serif;

  /* Enhanced Spacing System */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Enhanced Shadow System */
  --shadow-soft: 0 2px 15px -3px rgba(0, 0, 0, 0.07),
    0 10px 20px -2px rgba(0, 0, 0, 0.04);
  --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-large: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 20px rgba(102, 126, 234, 0.3);

  /* Animation Variables */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Enhanced Body with Dynamic Background */
body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: #1a202c;
  background: linear-gradient(
    135deg,
    #6a11cb 0%,
    #2575fc 100%
  ); /* New Primary Gradient */
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
      circle at 20% 80%,
      rgba(120, 119, 198, 0.3) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(255, 119, 198, 0.3) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 40% 40%,
      rgba(120, 219, 255, 0.2) 0%,
      transparent 50%
    );
  pointer-events: none;
  z-index: -1;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Enhanced Header with Glassmorphism */
.header {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  color: white;
  padding: var(--space-lg) 0;
  box-shadow: var(--glass-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: all var(--transition-normal);
}

.header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.05) 100%
  );
  pointer-events: none;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 1;
}

.logo {
  font-family: var(--font-secondary);
  font-size: 2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.logo i {
  font-size: 2.5rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-5px) rotate(5deg);
  }
}

.nav {
  display: flex;
  gap: var(--space-lg);
}

.nav-link {
  color: white;
  text-decoration: none;
  font-weight: 500;
  padding: var(--space-sm) var(--space-lg);
  border-radius: 50px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.nav-link::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left var(--transition-slow);
}

.nav-link:hover::before {
  left: 100%;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Enhanced Main Content */
.main {
  padding: var(--space-3xl) 0;
  position: relative;
}

/* Enhanced Glassmorphism Filter Section */
.filters {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: var(--space-2xl);
  margin-bottom: var(--space-3xl);
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
}

.filters::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.1) 0%,
    rgba(255, 255, 255, 0.05) 100%
  );
  pointer-events: none;
}

.filters-title {
  font-family: var(--font-secondary);
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  color: white;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: relative;
  z-index: 1;
}

.filter-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  align-items: end;
  position: relative;
  z-index: 1;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.filter-label {
  font-weight: 600;
  color: rgb(255, 255, 255);
  font-size: 0.9rem;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.filter-input,
.filter-select {
  padding: var(--space-md) var(--space-lg);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  font-size: 1rem;
  transition: all var(--transition-normal);
  background: white;
  backdrop-filter: blur(10px);
  color: rgb(0, 0, 0);
  font-weight: 500;
}

.filter-input::placeholder {
  color: rgba(0, 0, 0, 0.7);
}

.filter-input:focus,
.filter-select:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.2);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* Enhanced Modern Button System */
.btn {
  padding: var(--space-md) var(--space-xl);
  border: none;
  border-radius: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  text-decoration: none;
  font-size: 0.95rem;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

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

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-large), var(--shadow-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

/* Enhanced Product Navigation */
.product-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2xl);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  padding: var(--space-lg);
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-btn {
  padding: var(--space-md) var(--space-lg);
  background: var(--primary-gradient);
  color: white;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-btn:hover:not(:disabled) {
  transform: translateY(-2px) scale(1.05);
  box-shadow: var(--shadow-large);
}

.nav-btn:disabled {
  background: rgba(255, 255, 255, 0.2);
  cursor: not-allowed;
  transform: none;
}

.product-counter {
  font-weight: 600;
  color: white;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.view-toggle {
  display: flex;
  gap: var(--space-sm);
  background: rgba(255, 255, 255, 0.1);
  padding: var(--space-xs);
  border-radius: 12px;
  backdrop-filter: blur(10px);
}

.view-btn {
  padding: var(--space-sm) var(--space-md);
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-normal);
  color: white;
  font-weight: 500;
}

.view-btn.active {
  background: var(--primary-gradient);
  box-shadow: var(--shadow-soft);
  transform: scale(1.05);
}

.view-btn:hover:not(.active) {
  background: rgba(255, 255, 255, 0.2);
}

/* Enhanced Product Grid with Advanced Animations */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.products-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.product-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--glass-shadow);
  transition: all var(--transition-slow);
  cursor: pointer;
  position: relative;
  transform-style: preserve-3d;
}

.product-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.05) 100%
  );
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.product-card:hover::before {
  opacity: 1;
}

.product-card:hover {
  transform: translateY(-10px) rotateX(5deg) rotateY(5deg);
  box-shadow: var(--glass-shadow), 0 25px 50px -12px rgba(0, 0, 0, 0.25),
    var(--shadow-glow);
}

.product-image {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: all var(--transition-slow);
  border-radius: 20px 20px 0 0;
}

.product-card:hover .product-image {
  transform: scale(1.1);
  filter: brightness(1.1) saturate(1.2);
}

.product-info {
  padding: var(--space-xl);
  position: relative;
  z-index: 2;
}

.product-title {
  font-family: var(--font-secondary);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: white;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.product-owner {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
  font-weight: 500;
}

.product-price {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-lg);
}

.product-rating {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9rem;
}

.product-rating .stars {
  color: #ffd700;
}

.product-actions {
  display: flex;
  gap: var(--space-sm);
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-normal);
}

.product-card:hover .product-actions {
  opacity: 1;
  transform: translateY(0);
}

.product-actions .btn {
  flex: 1;
  font-size: 0.85rem;
  padding: var(--space-sm) var(--space-md);
}

/* Enhanced List View */
.products-list .product-card {
  display: flex;
  align-items: center;
  padding: var(--space-lg);
  transform: none;
}

.products-list .product-card:hover {
  transform: translateX(10px);
}

.products-list .product-image {
  width: 150px;
  height: 150px;
  border-radius: 16px;
  margin-right: var(--space-lg);
  flex-shrink: 0;
}

.products-list .product-info {
  flex: 1;
  padding: 0;
}

.products-list .product-actions {
  margin-left: var(--space-lg);
  opacity: 1;
  transform: none;
  flex-direction: column;
  min-width: 150px;
}

/* Enhanced Loading and Empty States */
.loading,
.no-products {
  text-align: center;
  padding: var(--space-3xl);
  color: white;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-radius: 24px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.loading i,
.no-products i {
  font-size: 4rem;
  margin-bottom: var(--space-lg);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.loading i {
  animation: spin 1s linear infinite, pulse 2s ease-in-out infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.1);
  }
}

.no-products h3 {
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: white;
}

.hidden {
  display: none !important;
}

/* Enhanced Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-3xl);
}

.page-btn,
.page-number {
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
}

.page-btn:hover:not(:disabled),
.page-number:hover:not(.active) {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px) scale(1.05);
  box-shadow: var(--shadow-medium);
}

.page-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.page-number.active {
  background: var(--primary-gradient);
  box-shadow: var(--shadow-glow);
  transform: scale(1.1);
}

/* Enhanced Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal.show {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.9) translateY(50px);
  transition: transform var(--transition-slow) var(--bounce);
  box-shadow: var(--glass-shadow);
}

.modal.show .modal-content {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  background: rgba(255, 255, 255, 0.2);
  border: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  z-index: 1;
  color: white;
  backdrop-filter: blur(10px);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

.modal-body {
  padding: var(--space-2xl);
}

.modal-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 16px;
  margin-bottom: var(--space-lg);
}

.modal-title {
  font-family: var(--font-secondary);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: white;
}

.modal-owner {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-md);
  font-weight: 500;
}

.modal-price {
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-xl);
}

.modal-actions {
  display: flex;
  gap: var(--space-md);
}

.modal-actions .btn {
  flex: 1;
}

/* Enhanced Footer */
.footer {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--glass-border);
  color: white;
  text-align: center;
  padding: var(--space-2xl) 0;
  margin-top: var(--space-3xl);
  box-shadow: var(--glass-shadow);
}

/* Enhanced Scroll to Top Button */
.scroll-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 60px;
  height: 60px;
  background: var(--primary-gradient);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-large);
  transition: all var(--transition-normal);
  z-index: 100;
  backdrop-filter: blur(10px);
}

.scroll-to-top:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: var(--shadow-large), var(--shadow-glow);
}

/* Enhanced Notification System */
.notification {
  position: fixed;
  top: var(--space-xl);
  right: var(--space-xl);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  padding: var(--space-lg) var(--space-xl);
  border-radius: 16px;
  box-shadow: var(--glass-shadow);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  z-index: 1001;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  color: white;
  font-weight: 500;
}

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

.notification-success {
  border-left: 4px solid #38ef7d;
}

.notification-success i {
  color: #38ef7d;
}

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

@keyframes slideInFromLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInFromRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.product-card {
  animation: fadeInUp 0.6s ease-out forwards;
  opacity: 0;
}

.product-card:nth-child(odd) {
  animation: slideInFromLeft 0.6s ease-out forwards;
}

.product-card:nth-child(even) {
  animation: slideInFromRight 0.6s ease-out forwards;
}

/* Staggered animation delays */
.product-card:nth-child(1) {
  animation-delay: 0.1s;
}
.product-card:nth-child(2) {
  animation-delay: 0.2s;
}
.product-card:nth-child(3) {
  animation-delay: 0.3s;
}
.product-card:nth-child(4) {
  animation-delay: 0.4s;
}
.product-card:nth-child(5) {
  animation-delay: 0.5s;
}
.product-card:nth-child(6) {
  animation-delay: 0.6s;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }

  .header .container {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .nav {
    gap: var(--space-md);
    flex-wrap: wrap;
    justify-content: center;
  }

  .filter-controls {
    grid-template-columns: 1fr;
  }

  .product-navigation {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .products-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .products-list .product-card {
    flex-direction: column;
    text-align: center;
  }

  .products-list .product-image {
    margin-right: 0;
    margin-bottom: var(--space-lg);
  }

  .products-list .product-actions {
    margin-left: 0;
    margin-top: var(--space-lg);
    flex-direction: row;
  }

  .modal-content {
    width: 95%;
    margin: var(--space-lg);
  }

  .modal-actions {
    flex-direction: column;
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --glass-bg: rgba(0, 0, 0, 0.25);
    --glass-border: rgba(255, 255, 255, 0.1);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}