/* ============================================
   AI Toolkit Store - Components Stylesheet
   Reusable component styles, buttons, cards, and interactive elements
   ============================================ */

/* ============================================
   Navigation Components
   ============================================ */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav-link {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  padding: var(--spacing-sm) 0;
  position: relative;
  transition: color var(--transition-fast);
}

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

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
}

/* Mobile Navigation */
.mobile-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity var(--transition-base), transform var(--transition-base);
  pointer-events: none;
}

.mobile-nav.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.mobile-nav-list {
  padding: var(--spacing-md) 0;
}

.mobile-nav-link {
  display: block;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.mobile-nav-link:hover {
  background-color: var(--color-gray-50);
  color: var(--color-primary);
}

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

/* Cart Button */
.cart-button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  color: var(--color-gray-700);
  transition: all var(--transition-fast);
}

.cart-button:hover {
  background-color: var(--color-gray-100);
  color: var(--color-primary);
}

.cart-count {
  position: absolute;
  top: 4px;
  right: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-white);
}

/* Hamburger Menu */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.mobile-menu-toggle:hover {
  background-color: var(--color-gray-100);
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background-color: var(--color-gray-700);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.hamburger-line:not(:last-child) {
  margin-bottom: 5px;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   Button Components
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1.5;
  text-align: center;
  white-space: nowrap;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  user-select: none;
}

.btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Button Sizes */
.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

.btn-block {
  width: 100%;
}

/* Button Variants */
.btn-primary {
  color: var(--color-white);
  background: var(--gradient-primary);
  border-color: transparent;
  box-shadow: var(--shadow-sm);
}

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

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  color: var(--color-white);
  background-color: var(--color-gray-800);
  border-color: var(--color-gray-800);
}

.btn-secondary:hover {
  background-color: var(--color-gray-900);
  border-color: var(--color-gray-900);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

.btn-outline-light {
  color: var(--color-white);
  background-color: transparent;
  border-color: var(--color-white);
}

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

/* ============================================
   Badge Components
   ============================================ */
.product-badge,
.bundle-badge {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  z-index: 10;
}

.product-badge.popular,
.bundle-badge.popular {
  color: var(--color-white);
  background-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.product-badge.premium {
  color: var(--color-white);
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  box-shadow: var(--shadow-md);
}

.bundle-badge.best-value {
  color: var(--color-white);
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  box-shadow: var(--shadow-md);
}

/* ============================================
   Product Card Component
   ============================================ */
.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.product-image {
  position: relative;
  width: 100%;
  height: 240px;
  overflow: hidden;
  background-color: var(--color-gray-100);
}

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

.product-card:hover .product-image img {
  transform: scale(1.05);
}

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

.product-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-sm);
}

.product-description {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-relaxed);
  flex: 1;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.tag {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  background-color: rgba(99, 102, 241, 0.1);
  border-radius: var(--radius-sm);
}

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

.product-price {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
}

.add-to-cart {
  flex-shrink: 0;
}

/* ============================================
   Bundle Card Component
   ============================================ */
.bundle-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 2px solid transparent;
}

.bundle-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.bundle-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-xl);
}

.bundle-card.premium {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
  border-color: var(--color-secondary);
}

.bundle-header {
  margin-bottom: var(--spacing-lg);
}

.bundle-name {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-sm);
}

.bundle-description {
  font-size: var(--font-size-base);
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
  margin-bottom: 0;
}

.bundle-pricing {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.bundle-price {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-gray-900);
}

.bundle-original-price {
  font-size: var(--font-size-xl);
  color: var(--color-gray-400);
  text-decoration: line-through;
}

.bundle-savings {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-success);
  background-color: rgba(16, 185, 129, 0.1);
  border-radius: var(--radius-sm);
}

.bundle-includes {
  flex: 1;
  margin-bottom: var(--spacing-xl);
}

.bundle-includes li {
  position: relative;
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-base);
  color: var(--color-gray-700);
  line-height: var(--line-height-relaxed);
}

.bundle-includes li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: var(--font-weight-bold);
}

.bundle-link {
  display: inline-block;
  margin-top: var(--spacing-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

.bundle-link:hover {
  color: var(--color-primary-dark);
}

/* ============================================
   Feature Card Component
   ============================================ */
.feature-card {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

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

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  color: var(--color-primary);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  border-radius: var(--radius-xl);
}

.feature-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-sm);
}

.feature-description {
  font-size: var(--font-size-base);
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
  margin-bottom: 0;
}

/* ============================================
   Testimonial Card Component
   ============================================ */
.testimonial-card {
  display: flex;
  flex-direction: column;
  padding: var(--spacing-2xl);
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.testimonial-rating {
  display: flex;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.star {
  color: #fbbf24;
  font-size: var(--font-size-lg);
}

.testimonial-text {
  flex: 1;
  font-size: var(--font-size-lg);
  color: var(--color-gray-700);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-lg);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.author-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.author-info {
  flex: 1;
}

.author-name {
  display: block;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  font-style: normal;
  margin-bottom: var(--spacing-xs);
}

.author-role {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin: 0;
}

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

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 24px;
  margin: -12px 0 0 -12px;
  border: 3px solid var(--color-gray-300);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

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

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

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

/* ============================================
   Animations & Transitions
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.fade-in {
  animation: fadeIn var(--transition-base);
}

.fade-in-up {
  animation: fadeInUp var(--transition-base);
}

.slide-in-right {
  animation: slideInRight var(--transition-base);
}

/* ============================================
   Form Elements (for future use)
   ============================================ */
.form-group {
  margin-bottom: var(--spacing-lg);
}

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

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  color: var(--color-gray-900);
  background-color: var(--color-white);
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-gray-400);
}

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

.form-error {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-error);
}

.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--color-error);
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.form-check-input {
  width: 20px;
  height: 20px;
  cursor: pointer;
}

.form-check-label {
  font-size: var(--font-size-base);
  color: var(--color-gray-700);
  cursor: pointer;
}

/* ============================================
   Accessibility Helpers
   ============================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.focus-visible:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Skip to main content link */
.skip-to-main {
  position: absolute;
  top: -100px;
  left: 0;
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-to-main:focus {
  top: 0;
}

/* ============================================
   Dark Mode Support (Optional)
   ============================================ */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg-dark: #0f172a;
    --color-surface-dark: #1e293b;
  }
  
  body.dark-mode {
    background-color: var(--color-bg-dark);
    color: var(--color-gray-100);
  }
  
  body.dark-mode .site-header {
    background-color: var(--color-surface-dark);
    border-bottom-color: var(--color-gray-700);
  }
  
  body.dark-mode .product-card,
  body.dark-mode .bundle-card,
  body.dark-mode .feature-card,
  body.dark-mode .testimonial-card {
    background-color: var(--color-surface-dark);
    color: var(--color-gray-100);
  }
  
  body.dark-mode .product-name,
  body.dark-mode .bundle-name,
  body.dark-mode .feature-title,
  body.dark-mode .author-name {
    color: var(--color-white);
  }
}

/* Made with Bob */