.tldr {
  background: #eaf3ff;
  border: 1px solid #bfd8ff;
  color: #1e3a5f;
  border-radius: 14px;
  padding: 16px 18px;
  margin: 24px 0 32px;
  font-size: 1rem;
  line-height: 1.6;
}

.tldr a {
  text-decoration: underline;
}

.post-page img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 10px;
}

.plot-figure {
  margin: 28px 0 32px;
}

.conversation {
  background: #f7f8fa;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  padding: 18px;
  margin: 32px 0;
}

.conversation-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: #4b5563;
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}

.message {
  border-radius: 14px;
  border: 1px solid transparent;
  padding: 12px 14px;
  margin: 12px 0;
  background: #ffffff;
}

.message-role {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #6b7280;
  margin-bottom: 6px;
}

.message-content {
  font-size: 0.98rem;
}

.message-content p {
  margin: 0.6em 0;
}

.message.user {
  background: #eef4ff;
  border-color: #cfe0ff;
}

.message.assistant {
  background: #f3f4f6;
  border-color: #e1e3e7;
}

.message.system {
  background: #f4f1ff;
  border-color: #d8cdfa;
}

.message.confession {
  background: #fff6d8;
  border-color: #f0e1a6;
}

.cot {
  margin: 8px 0 12px;
  border: 1px dashed #d1d5db;
  border-radius: 12px;
  background: #ffffff;
}

.cot-heading {
  padding: 10px 12px 0;
  font-weight: 600;
  font-size: 0.9rem;
  color: #374151;
}

.cot-content {
  padding: 8px 12px 12px;
  color: #4b5563;
}

.assistant-response {
  margin-top: 10px;
}

.assistant-title {
  font-weight: 600;
  margin-bottom: 8px;
}

.confession-objective {
  margin-top: 10px;
}

.confession-objective .objective-title {
  font-weight: 600;
  margin-bottom: 6px;
}

.confession-objective ul {
  margin: 0 0 12px 18px;
}

@media (max-width: 720px) {
  .conversation {
    padding: 14px;
  }

  .message {
    padding: 10px 12px;
  }
}