/**
 * Product Footer Tabs CSS
 * Tailwind-inspired design với responsive layout
 */

/* ================================================
   CONTAINER & LAYOUT
   ================================================ */

.product-footer-tabs {
  background: var(--tp-white);
  border-top: 1px solid var(--tp-gray-200);
  padding: 2rem 0;
  margin-top: 1rem;
}

.product-footer-tabs .container {
  margin: 0 auto;
}

/* ================================================
   TAB NAVIGATION
   ================================================ */

.tab-navigation {
  margin-bottom: 2rem;
}

.tab-nav-wrapper {
  position: relative;
  display: flex;
  background: var(--tp-gray-100);
  border-radius: 5px;
  padding: 0.25rem;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  gap: 20px;
}

.tab-nav-wrapper::-webkit-scrollbar {
  display: none;
}

.tab-nav-item {
  position: relative;
  flex: 1;
  min-width: fit-content;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  background: transparent;
  border: none;
  border-radius: 5px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--tp-gray-600);
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  white-space: nowrap;
  user-select: none;
  z-index: 2;
}

.tab-nav-item:hover {
  color: var(--tp-gray-800);
  background: rgba(255, 255, 255, 0.5);
}

.tab-nav-item:focus {
  outline: 2px solid var(--tp-primary);
  outline-offset: 2px;
}

.tab-nav-item.active {
  color: var(--tp-primary);
  background: var(--tp-white);
  font-weight: 600;
}

.tab-nav-item i {
  font-size: 1rem;
}

.tab-title {
  display: block;
}

/* Tab Indicator */
.tab-indicator {
  position: absolute;
  top: 0.25rem;
  bottom: 0.25rem;
  left: 0.25rem;
  width: 0;
  background: var(--tp-white);
  border-radius: 5px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1;
  pointer-events: none;
  transform: translateX(0);
}

/* ================================================
   TAB CONTENT
   ================================================ */

.tab-content-wrapper {
  position: relative;
  min-height: 300px;
}

.tab-content {
  display: none;
  opacity: 0;
  transform: translateY(0.5rem);
  transition: all 0.3s ease-in-out;
}

.tab-content.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.tab-content-inner {
  background: var(--tp-white);
  border: 1px solid var(--tp-gray-200);
  border-radius: 5px;
  padding: 2rem;
  min-height: 250px;
}

/* ================================================
   CONTENT STYLING
   ================================================ */

/* Product Introduction Content */
.product-intro-content {
  line-height: 1.7;
  color: var(--tp-gray-700);
}

.product-intro-content h1,
.product-intro-content h2,
.product-intro-content h3,
.product-intro-content h4 {
  color: var(--tp-gray-900);
  margin-top: 1.5rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.product-intro-content h1 {
  font-size: 1.875rem;
}

.product-intro-content h2 {
  font-size: 1.5rem;
}

.product-intro-content h3 {
  font-size: 1.25rem;
}

.product-intro-content p {
  margin-bottom: 1rem;
}

.product-intro-content ul,
.product-intro-content ol {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.product-intro-content li {
  margin-bottom: 0.5rem;
}

.product-intro-content img {
  max-width: 100%;
  height: auto;
  border-radius: 0.5rem;
  margin: 1rem 0;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

/* Order Notes Content */
.order-notes-content {
  line-height: 1.7;
  color: var(--tp-gray-700);
}

.order-notes-content ul,
.order-notes-content ol {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.order-notes-content li {
  margin-bottom: 0.5rem;
}

.order-notes-content .highlight {
  color: var(--tp-primary);
  font-weight: 600;
}

.order-notes-content .warning {
  display: inline-block;
  color: #92400e;
  background: #fef3c7;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.order-notes-content .info-box {
  background: #f0f9ff;
  border: 1px solid #0ea5e9;
  border-radius: 0.5rem;
  padding: 1.5rem;
  margin: 1.5rem 0;
}

.order-notes-content .info-box h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  color: #0369a1;
  font-size: 1.125rem;
  font-weight: 600;
}

.order-notes-content .info-box p {
  margin-bottom: 0.75rem;
}

.order-notes-content .info-box p:last-child {
  margin-bottom: 0;
}

/* Reviews Content */
.reviews-content {
  text-align: center;
}

.reviews-placeholder {
  padding: 3rem 2rem;
}

.coming-soon-message {
  max-width: 400px;
  margin: 0 auto;
}

.coming-soon-message i {
  font-size: 3rem;
  color: var(--tp-gray-400);
  margin-bottom: 1rem;
}

.coming-soon-message h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--tp-gray-800);
  margin-bottom: 0.75rem;
}

.coming-soon-message p {
  color: var(--tp-gray-600);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.current-reviews {
  font-size: 0.875rem;
  color: var(--tp-gray-500);
}

.existing-reviews-link {
  margin-top: 2rem;
}

/* ================================================
   ANIMATIONS
   ================================================ */

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(1rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.product-footer-tabs.animate-in {
  animation: slideInUp 0.6s ease-out;
}

/* Smooth content transitions */
.tab-content-inner > * {
  opacity: 0;
  transform: translateY(0.25rem);
  animation: slideInUp 0.4s ease-out 0.1s forwards;
}

.tab-content-inner > *:nth-child(2) {
  animation-delay: 0.15s;
}

.tab-content-inner > *:nth-child(3) {
  animation-delay: 0.2s;
}

.tab-content-inner > *:nth-child(4) {
  animation-delay: 0.25s;
}

/* ================================================
   RESPONSIVE DESIGN
   ================================================ */

@media (max-width: 768px) {
  .product-footer-tabs {
    padding: 1.5rem 0;
    margin-top: 1rem;
  }

  .product-footer-tabs .container {
    padding: 0 0.75rem;
  }

  .tab-navigation {
    margin-bottom: 1.5rem;
  }

  .tab-nav-item {
    padding: 0.75rem 1rem;
    font-size: 0.8125rem;
  }

  .tab-nav-item i {
    font-size: 0.875rem;
  }

  .tab-title {
    display: none;
  }

  .tab-content-inner {
    padding: 1.5rem 1rem;
    min-height: 200px;
  }

  .product-intro-content h1 {
    font-size: 1.5rem;
  }

  .product-intro-content h2 {
    font-size: 1.25rem;
  }

  .product-intro-content h3 {
    font-size: 1.125rem;
  }

  .reviews-placeholder {
    padding: 2rem 1rem;
  }

  .coming-soon-message i {
    font-size: 2.5rem;
  }

  .coming-soon-message h3 {
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .tab-nav-item {
    padding: 0.625rem 0.75rem;
    gap: 0.25rem;
  }

  .tab-nav-item i {
    font-size: 0.75rem;
  }

  .tab-content-inner {
    padding: 1rem 0.75rem;
  }

  .order-notes-content .info-box {
    padding: 1rem;
    margin: 1rem 0;
  }
}

/* ================================================
   ACCESSIBILITY
   ================================================ */

@media (prefers-reduced-motion: reduce) {
  .tab-nav-item,
  .tab-indicator,
  .tab-content,
  .tab-content-inner > * {
    transition: none !important;
    animation: none !important;
  }
}

/* Focus styles for keyboard navigation */
.tab-nav-item:focus-visible {
  outline: 2px solid var(--tp-primary);
  outline-offset: 2px;
  border-radius: 0.625rem;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .tab-nav-wrapper {
    border: 2px solid var(--tp-gray-800);
  }

  .tab-nav-item.active {
    background: var(--tp-primary);
    color: var(--tp-white);
  }

  .tab-indicator {
    display: none;
  }
}