/* ==========================================================================
   IRIS OHYAMA - Component Styles (BEM)
   Reusable UI Components
   ========================================================================== */

/* Carousel Component
   ========================================================================== */
.carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  background-color: var(--color-bg-alt);
}

.carousel__track {
  display: flex;
  transition: transform var(--transition-slow);
  will-change: transform;
}

.carousel__slide {
  flex: 0 0 100%;
  width: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.carousel__slide-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-bg);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.carousel__slide-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-xl);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
  color: var(--color-bg);
}

.carousel__slide-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-xs);
}

.carousel__slide-desc {
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

.carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-round);
  background-color: rgba(255, 255, 255, 0.9);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  font-size: var(--font-size-lg);
  transition: all var(--transition-fast);
  z-index: 10;
  box-shadow: var(--shadow-md);
}

.carousel__btn:hover {
  background-color: var(--color-bg);
  box-shadow: var(--shadow-lg);
  transform: translateY(-50%) scale(1.05);
}

.carousel__btn--prev {
  left: var(--spacing-md);
}

.carousel__btn--next {
  right: var(--spacing-md);
}

.carousel__indicators {
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-sm);
  z-index: 10;
}

.carousel__indicator {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-round);
  background-color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  border: none;
  padding: 0;
  transition: all var(--transition-fast);
}

.carousel__indicator:hover {
  background-color: rgba(255, 255, 255, 0.8);
}

.carousel__indicator--active {
  background-color: var(--color-bg);
  width: 28px;
  border-radius: 5px;
}

/* Card Component
   ========================================================================== */
.card {
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border-light);
}

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

.card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f0f0f0, #e0e0e0);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.card__body {
  padding: var(--spacing-md);
}

.card__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
  line-height: var(--line-height-tight);
}

.card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: var(--line-height-base);
  margin-bottom: 0;
}

.card__footer {
  padding: var(--spacing-sm) var(--spacing-md);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Button Component
   ========================================================================== */
.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-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  border: 1px solid transparent;
  white-space: nowrap;
}

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

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-bg);
  text-decoration: none;
}

.btn--secondary {
  background-color: var(--color-secondary);
  color: var(--color-bg);
  border-color: var(--color-secondary);
}

.btn--secondary:hover {
  background-color: #1a1a1a;
  color: var(--color-bg);
  text-decoration: none;
}

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

.btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-bg);
  text-decoration: none;
}

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

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

/* Tabs Component
   ========================================================================== */
.tabs {
  width: 100%;
}

.tabs__nav {
  display: flex;
  border-bottom: 2px solid var(--color-border);
  gap: var(--spacing-xs);
  overflow-x: auto;
}

.tabs__tab {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-light);
  cursor: pointer;
  border: none;
  background: none;
  position: relative;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.tabs__tab::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

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

.tabs__tab--active {
  color: var(--color-primary);
}

.tabs__tab--active::after {
  transform: scaleX(1);
}

.tabs__content {
  padding-top: var(--spacing-lg);
}

.tabs__panel {
  display: none;
  animation: fadeIn var(--transition-base);
  scroll-margin-top: calc(var(--header-height) + var(--spacing-lg));
}

.tabs__panel--active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Form Component
   ========================================================================== */
.form {
  max-width: 600px;
}

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

.form__label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
}

.form__label--required::after {
  content: " *";
  color: var(--color-primary);
}

.form__input,
.form__textarea,
.form__select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg);
  color: var(--color-text);
  transition:
    border-color var(--transition-fast),
    box-shadow 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(230, 0, 18, 0.1);
}

.form__input--error,
.form__textarea--error {
  border-color: var(--color-primary);
  background-color: #fff5f5;
}

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

.form__error {
  font-size: var(--font-size-xs);
  color: var(--color-primary);
  margin-top: var(--spacing-xs);
  display: none;
}

.form__error--visible {
  display: block;
}

.form__success {
  padding: var(--spacing-md);
  background-color: #e8f5e9;
  color: #2e7d32;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-lg);
  display: none;
}

.form__success--visible {
  display: block;
}

/* Product Grid Component
   ========================================================================== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--spacing-lg);
}

.product-grid__item {
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

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

.product-grid__image {
  width: 100%;
  height: 220px;
  background: linear-gradient(135deg, #f5f5f5, #e8e8e8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.product-grid__info {
  padding: var(--spacing-md);
}

.product-grid__name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-secondary);
  margin-bottom: var(--spacing-xs);
}

.product-grid__category {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
}

.product-grid__action {
  margin-top: var(--spacing-sm);
}

/* Language Switcher Component
   ========================================================================== */
.language-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.language-switcher__btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-light);
  background: none;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.language-switcher__btn:hover {
  color: var(--color-primary);
}

.language-switcher__btn--active {
  background-color: var(--color-primary);
  color: var(--color-bg);
}

.language-switcher__btn--active:hover {
  color: var(--color-bg);
}

.language-switcher__separator {
  color: var(--color-border);
  font-size: var(--font-size-xs);
  user-select: none;
}

/* Breadcrumb Component
   ========================================================================== */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  padding: var(--spacing-md) 0;
  font-size: var(--font-size-sm);
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.breadcrumb__link {
  color: var(--color-text-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb__link:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.breadcrumb__separator {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
}

.breadcrumb__current {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

/* Placeholder Block (for images)
   ========================================================================== */
.placeholder-block {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--spacing-sm);
  background: linear-gradient(135deg, #e8e8e8 0%, #d0d0d0 100%);
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-align: center;
  border: 2px dashed var(--color-border);
}

.placeholder-block__icon {
  font-size: var(--font-size-3xl);
  opacity: 0.5;
}

.placeholder-block__text {
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-sm);
}

/* Floating Action Button - Message
   ========================================================================== */
.fab-message {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(230, 0, 18, 0.4);
  z-index: 9999;
  transition: all 0.3s ease;
  font-size: 24px;
}

.fab-message:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(230, 0, 18, 0.5);
}

.fab-message__tooltip {
  position: absolute;
  right: 68px;
  background: var(--color-secondary);
  color: #fff;
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 13px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.fab-message:hover .fab-message__tooltip {
  opacity: 1;
}

/* Floating Action Button - WeCom Customer Service
   ========================================================================== */
.fab-wecom {
  position: fixed;
  bottom: 100px;
  right: 32px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #07c160;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(7, 193, 96, 0.4);
  z-index: 9999;
  transition: all 0.3s ease;
  font-size: 24px;
}

.fab-wecom:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(7, 193, 96, 0.5);
}

.fab-wecom__tooltip {
  position: absolute;
  right: 68px;
  background: var(--color-secondary);
  color: #fff;
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 13px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.fab-wecom:hover .fab-wecom__tooltip {
  opacity: 1;
}