/* Experiments Overlay Styles */

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

.overlay-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(245, 245, 220, 0.95); /* Cream background with transparency */
  backdrop-filter: blur(2px);
}

#particles-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.overlay-content {
  position: relative;
  width: 100%;
  height: 100%;
  padding: 40px;
  box-sizing: border-box;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.overlay.active .overlay-content {
  transform: translateX(0);
}

.close-btn {
  position: fixed;
  top: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: transparent;
  border: 2px solid #3b3b77;
  border-radius: 50%;
  color: #3b3b77;
  font-size: 24px;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 1001;
}

.close-btn:hover {
  background: #3b3b77;
  color: #f5f5dc;
  transform: rotate(90deg);
}

.experiments-container {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 60px;
}

.overlay-title {
  font-size: 48px;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 2px #3b3b77;
  text-stroke: 2px #3b3b77;
  text-align: center;
  margin-bottom: 60px;
  letter-spacing: 3px;
  text-transform: uppercase;
}

/* Article layout for Experiments (matches Bio aesthetics) */
.experiment-article {
  max-width: 900px;
  margin: 0 auto;
  /* Match overlay cream tone for cohesion */
  background: rgba(245, 245, 220, 0.95);
  border: 2px solid #3b3b77;
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 12px 36px rgba(59, 59, 119, 0.22);
  backdrop-filter: blur(10px);
}

.experiment-article h2 {
  font-size: 28px;
  font-weight: 800;
  color: #3b3b77;
  margin: 0 0 16px 0;
}

.experiment-article p {
  color: #3b3b77;
  line-height: 1.7;
  margin-bottom: 16px;
  font-size: 16px;
  opacity: 0.95;
}

.experiment-article em {
  font-style: italic;
}

.prompt-list {
  margin: 20px 0 28px 0;
  padding: 16px 20px;
  background: rgba(59, 59, 119, 0.06);
  border: 1px solid rgba(59, 59, 119, 0.2);
  border-radius: 12px;
}

.prompt-list p {
  margin: 8px 0;
  font-family: ui-serif, Georgia, 'Times New Roman', Times, serif;
}

.model-response {
  margin: 20px 0 28px 0;
  padding: 20px 24px;
  background: rgba(255, 255, 255, 0.9);
  border-left: 4px solid #3b3b77;
  border: 1px solid rgba(59, 59, 119, 0.2);
  border-radius: 12px;
}

.model-response ol {
  margin: 12px 0 12px 18px;
  color: #3b3b77;
}

.model-response li {
  margin: 8px 0;
  line-height: 1.6;
}

/* Inline image support */
.image-inline-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 16px;
  align-items: start;
  margin: 18px 0;
}

.image-inline-row figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.inline-image {
  width: 400px;
  height: 400px;
  object-fit: cover; /* normalize differing aspect ratios */
  display: block;
  border: 1px solid rgba(59, 59, 119, 0.25);
  border-radius: 10px;
  background: #f8f8ef;
}

.image-caption {
  font-size: 13px;
  color: #3b3b77;
  opacity: 0.8;
  margin-top: 6px;
  text-align: center;
}

.experiments-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  padding: 0 20px;
}

.experiment-card {
  background: rgba(255, 255, 255, 0.8);
  border: 2px solid #3b3b77;
  border-radius: 12px;
  padding: 30px;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.experiment-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(59, 59, 119, 0.1), transparent);
  transition: left 0.6s ease;
}

.experiment-card:hover::before {
  left: 100%;
}

.experiment-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(59, 59, 119, 0.2);
  border-color: #3b3b77;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 15px;
}

.card-header h3 {
  font-size: 24px;
  font-weight: 700;
  color: #3b3b77;
  margin: 0;
  flex: 1;
}

.card-tag {
  background: #3b3b77;
  color: #f5f5dc;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.card-description {
  color: #3b3b77;
  line-height: 1.6;
  margin-bottom: 25px;
  font-size: 16px;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-date {
  color: #3b3b77;
  font-weight: 600;
  opacity: 0.7;
}

.card-btn {
  background: transparent;
  border: 2px solid #3b3b77;
  color: #3b3b77;
  padding: 8px 20px;
  border-radius: 25px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 12px;
}

.card-btn:hover {
  background: #3b3b77;
  color: #f5f5dc;
  transform: scale(1.05);
}

/* Responsive Design */
@media (max-width: 768px) {
  .overlay-content {
    padding: 20px;
  }
  
  .experiments-container {
    padding-top: 40px;
  }
  
  .overlay-title {
    font-size: 36px;
    margin-bottom: 40px;
  }
  
  .experiment-article {
    padding: 24px;
    border-radius: 16px;
    background: #f8f8ef;
    box-shadow: 0 10px 20px rgba(59, 59, 119, 0.1);
  }
  
  .experiment-article h2 {
    font-size: 24px;
  }

  /* Scale images down on medium screens */
  .image-inline-row {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 14px;
  }
  .inline-image {
    width: 300px;
    height: 300px;
  }
}
  
@media (max-width: 480px) {
  .overlay-title {
    font-size: 28px;
    letter-spacing: 2px;
  }
  
  .image-inline-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .inline-image {
    width: 220px;
    height: 220px;
  }
  
  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  
  .card-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }
}

/* Decorative badge for upcoming experiments */
.coming-soon-banner {
  display: flex;
  justify-content: center;
  margin-top: 6px;
}

.badge-pulse {
  display: inline-block;
  padding: 8px 14px;
  border: 2px solid #3b3b77;
  color: #3b3b77;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 999px; /* pill */
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 12px;
  box-shadow: 0 0 0 0 rgba(59, 59, 119, 0.45);
  animation: pulseRing 2.4s ease-in-out infinite;
}

@keyframes pulseRing {
  0% { box-shadow: 0 0 0 0 rgba(59, 59, 119, 0.35); }
  70% { box-shadow: 0 0 0 12px rgba(59, 59, 119, 0); }
  100% { box-shadow: 0 0 0 0 rgba(59, 59, 119, 0); }
}