/* ================================
   Enhanced Lightbox with Tabs
   ================================ */

.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

.lightbox-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(4px);
}

.lightbox-content {
  position: relative;
  z-index: 10001;
  max-width: 95vw;
  max-height: 95vh;
  height: 90vh;
  width: 1200px;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 10002;
  background-color: rgba(0, 0, 0, 0.7);
  color: var(--color-white);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.lightbox-close:hover {
  background-color: var(--color-primary);
  transform: scale(1.1);
}

/* Tabs */
.lightbox-tabs {
  display: flex;
  background-color: var(--color-background);
  border-bottom: 2px solid var(--color-border);
  padding: 0 var(--spacing-md);
  gap: var(--spacing-xs);
}

.lightbox-tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--color-text-light);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  top: 2px;
}

.lightbox-tab:hover {
  color: var(--color-primary);
  background-color: rgba(26, 77, 32, 0.05);
}

.lightbox-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
  background-color: var(--color-white);
}

.lightbox-tab svg {
  width: 20px;
  height: 20px;
}

/* Tab Content */
.lightbox-main {
  flex: 1;
  position: relative;
  overflow: hidden;
}

.lightbox-tab-content {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.lightbox-tab-content.active {
  opacity: 1;
  visibility: visible;
}

/* Work Tab */
.lightbox-image-container {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  background-color: #f5f5f5;
}

.lightbox-image {
  max-width: 100%;
  max-height: calc(95vh - 200px);
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.lightbox-work-info {
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(26, 77, 32, 0.9);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
}

/* Certificate Tab */
.lightbox-certificate-container {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  background-color: #f5f5f5;
  position: relative;
  perspective: 1000px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.certificate-flip-btn {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 10;
}

.certificate-flip-btn:hover {
  background-color: var(--color-secondary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(26, 77, 32, 0.3);
}

.certificate-flip-btn svg {
  width: 20px;
  height: 20px;
}

.certificate-flip-card {
  position: relative;
  width: 100%;
  max-width: 600px;
  aspect-ratio: 1 / 1.414;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.certificate-flip-card.flipped {
  transform: rotateY(180deg);
}

.certificate-side {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  overflow: auto;
  background-color: #fefefe;
}

/* Only apply to direct img child (old image-based certificates) */
.certificate-side > img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background-color: var(--color-white);
}

.certificate-en {
  transform: rotateY(180deg);
}

/* Dynamic HTML Certificate Styles */
.certificate-html {
  width: 100%;
  height: 100%;
  min-height: 100%;
  background-color: #fefefe;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.certificate-inner {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
  position: relative;
  border: 2px solid #1a5d1a;
  margin: 12px;
  border-radius: 0;
  background-color: #fefefe;
}

/* Logo container */
.certificate-logo-frame {
  text-align: center;
  margin-bottom: 24px;
  padding: 16px 24px;
  display: inline-block;
  margin-left: auto;
  margin-right: auto;
}

.certificate-logo {
  max-width: 220px;
  height: auto;
  display: block;
}

.certificate-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: #2a2a2a;
  text-align: left;
  margin-bottom: 20px;
  line-height: 1.3;
}

.certificate-description {
  font-family: 'Source Sans Pro', Georgia, serif;
  font-size: 0.92rem;
  line-height: 1.75;
  color: #333;
  text-align: justify;
  flex: 1;
}

.certificate-description p {
  margin-bottom: 14px;
  text-indent: 0;
}

.certificate-description p:last-child {
  margin-bottom: 0;
}

.certificate-houses {
  text-align: center;
  margin-top: auto;
  padding-top: 20px;
}

.houses-svg {
  width: 100%;
  max-width: 320px;
  height: auto;
}

.houses-img {
  width: 100%;
  max-width: 400px;
  height: auto;
}

/* Details Tab */
.lightbox-details-container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  height: 100%;
  overflow-y: auto;
}

.lightbox-details-image {
  position: sticky;
  top: 0;
  height: fit-content;
}

.lightbox-details-image img {
  width: 100%;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.lightbox-details-content {
  padding-right: var(--spacing-md);
}

.lightbox-details-content h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.details-metadata {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background-color: var(--color-background);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-sm);
}

.detail-item {
  display: flex;
  gap: var(--spacing-xs);
  font-size: 0.95rem;
}

.detail-item strong {
  color: var(--color-primary);
  min-width: 100px;
}

.details-description {
  line-height: 1.8;
  color: var(--color-text);
}

.details-description p {
  margin-bottom: var(--spacing-md);
}

.details-description p:last-child {
  margin-bottom: 0;
}

/* Navigation Arrows */
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(0, 0, 0, 0.6);
  color: var(--color-white);
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  z-index: 10002;
}

.lightbox-nav:hover {
  background-color: var(--color-primary);
  transform: translateY(-50%) scale(1.1);
}

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

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

/* Responsive */
@media (max-width: 768px) {
  .lightbox-content {
    max-width: 100vw;
    max-height: 100vh;
    border-radius: 0;
  }

  .lightbox-tabs {
    padding: 0 var(--spacing-sm);
  }

  .lightbox-tab {
    font-size: 0.85rem;
    padding: var(--spacing-xs) var(--spacing-sm);
  }

  .lightbox-tab span {
    display: none;
  }

  .lightbox-details-container {
    grid-template-columns: 1fr;
  }

  .lightbox-details-image {
    position: static;
  }

  .lightbox-nav {
    width: 40px;
    height: 40px;
  }

  .lightbox-nav svg {
    width: 24px;
    height: 24px;
  }

  .lightbox-certificate-container {
    justify-content: flex-start;
    padding: var(--spacing-sm);
  }

  .certificate-flip-card {
    max-width: 100%;
    flex-shrink: 0;
  }

  .certificate-inner {
    padding: 16px 14px;
    margin: 8px;
  }

  .certificate-logo {
    max-width: 160px;
  }

  .certificate-title {
    font-size: 1.15rem;
    margin-bottom: 12px;
  }

  .certificate-description {
    font-size: 0.82rem;
    line-height: 1.6;
  }

  .certificate-flip-btn {
    font-size: 0.8rem;
    padding: var(--spacing-xs);
  }

  .certificate-flip-btn span {
    display: none;
  }
}