* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: #333;
  background: #f0f4f8;
  height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.header {
  padding: 1.5rem 2rem;
  text-align: center;
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}

.header h1 {
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.5px;
  color: #1e40af;
}

.update-btn {
  padding: 0.5rem 1rem;
  background-color: #4a5568;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background-color 0.3s;
}

.update-btn:hover {
  background-color: #2d3748;
}

.update-btn.updating {
  background-color: #ed8936;
  cursor: not-allowed;
}

.update-btn.updated {
  background-color: #48bb78;
}

.update-btn.error {
  background-color: #e53e3e;
}

.main {
  flex: 1;
  display: grid;
  grid-template-columns: 3fr 2fr; /* Adjust ratio: 60% chat, 40% visualization */
  gap: 0.75rem; /* Reduced gap */
  padding: 0.75rem; /* Reduced padding */
  overflow: hidden;
  height: calc(100vh - 80px); /* Subtract header height */
}

.main > .viz-section {
  max-height: 100%;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-section {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-messages {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.message {
  padding: 1rem 1.25rem;
  border-radius: 10px;
  max-width: 80%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  line-height: 1.5;
  position: relative;
  margin-bottom: 0.75rem;
}

.ai-message {
  background-color: #f0f4f8;
  border-radius: 1rem 1rem 0 1rem;
  margin-right: auto;
  margin-left: 0.5rem;
  max-width: 80%;
}

.user-message {
  background-color: #0078d7;
  color: white;
  border-radius: 1rem 1rem 1rem 0;
  margin-left: auto;
  margin-right: 0.5rem;
  max-width: 80%;
}

.system-message {
  background-color: #f0f0f0;
  border-radius: 0.5rem;
  padding: 0.5rem 1rem;
  margin: 0.5rem auto;
  font-size: 0.9rem;
  color: #666;
  max-width: 90%;
  text-align: center;
  font-style: italic;
}

.error-message {
  background-color: #ffebee;
  color: #c62828;
}

.thinking-indicator {
  background-color: #f0f4f8;
  border-radius: 1rem 1rem 0 1rem;
  padding: 0.75rem 1rem;
  margin-right: auto;
  margin-left: 0.5rem;
  max-width: 60px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  text-align: center;
}

.dot-pulse {
  color: #0078d7;
  display: inline-block;
}

.chat-input-area {
  padding: 1rem;
  border-top: 1px solid #e5e7eb;
  background: #fafafa;
}

.chat-input-area input[type="file"] {
  width: 0.1px;
  height: 0.1px;
  opacity: 0;
  overflow: hidden;
  position: absolute;
  z-index: -1;
}

.file-upload-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding: 0.75rem;
  border: 1px dashed #cbd5e1;
  border-radius: 6px;
  background: #f8fafc;
  color: #64748b;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.file-upload-label:hover {
  border-color: #3b82f6;
  background-color: #f0f7ff;
  color: #2563eb;
}

.file-upload-label::before {
  content: "📁";
  font-size: 1.25rem;
  margin-right: 0.5rem;
}

.input-group {
  display: flex;
  gap: 0.5rem;
}

.input-group input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 0.875rem;
  transition: all 0.2s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05) inset;
}

.input-group input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.input-group button {
  padding: 0.75rem 1.5rem;
  background: #2563eb;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.2s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.input-group button:hover {
  background: #1e40af;
  transform: translateY(-1px);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.viz-section {
  height: 100%;
  padding: 1rem;
  overflow-y: auto;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background-color: white;
  padding: 2rem;
  border-radius: 0.5rem;
  max-width: 90%;
  width: 500px;
  position: relative;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.close-modal {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-body {
  margin-top: 1rem;
}

.modal h2 {
  margin-bottom: 1rem;
  color: #333;
}

.modal input[type="password"] {
  width: 100%;
  padding: 0.75rem;
  margin-bottom: 1rem;
  border: 1px solid #ccc;
  border-radius: 0.25rem;
}

.modal .submit-btn {
  background-color: #0078d7;
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 0.25rem;
  cursor: pointer;
}

.modal .small-text {
  font-size: 0.8rem;
  color: #666;
  margin-top: 1rem;
}

.viz-section {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  margin-bottom: 1rem; /* Add space between multiple visualization sections */
  height: 100%; /* Take full height */
}

.graph-container {
  flex-shrink: 0;
  height: 300px;
  width: 100%;
  margin-bottom: 2rem;
}

.viz-section > h3 {
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #e5e7eb;
  color: #1e40af;
  font-size: 1.125rem;
}

.viz-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  color: #6b7280;
  border: 2px dashed #d1d5db;
  border-radius: 8px;
  padding: 2rem;
  background: rgba(59, 130, 246, 0.02);
  transition: all 0.3s ease;
  overflow-y: auto; /* Make the placeholder area scrollable */
  overflow-x: hidden;
}

.viz-placeholder::before {
  content: "📊";
  font-size: 2.5rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.viz-placeholder:hover {
  border-color: #3b82f6;
  background: rgba(59, 130, 246, 0.05);
}

@media (max-width: 768px) {
  .main {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
  }

  .main > .viz-section {
    height: 400px;
  }

  .header {
    padding: 0.75rem 1rem;
  }

  .header h1 {
    font-size: 1.25rem;
  }

  .main {
    padding: 0.5rem;
  }
}

.ai-generated-image {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  border-radius: 8px;
  margin: 0.5rem 0;
  cursor: pointer;
  transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  object-fit: contain;
}

.graph-image-container {
  width: 100%;
  overflow: visible;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ai-generated-image:hover {
  transform: scale(1.01);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.graph-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.5rem;
  border-radius: 8px;
  background-color: white;
  margin-bottom: 1rem;
  overflow: hidden;
}

.graph-container h3 {
  width: 100%;
  text-align: center;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #e5e7eb;
  color: #1e40af;
  font-size: 1.125rem;
}

.full-size-image-view {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  cursor: pointer;
}

.full-size-image-view img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
}

.markdown {
  line-height: 1.6;
  font-size: 1rem;
  color: #333;
}

.markdown ul {
  list-style: disc;
  padding-left: 1.5em;
  margin-bottom: 1em;
}

.markdown li {
  margin-bottom: 0.3em;
}

.markdown pre {
  background: #f5f5f5;
  padding: 0.5em;
  border-radius: 4px;
  overflow-x: auto;
}

.markdown code {
  background: #eee;
  padding: 2px 4px;
  border-radius: 3px;
  font-family: monospace;
}