body {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  font-family: system-ui, -apple-system, sans-serif;
  background: #f5f5f5;
}

h1 {
  text-align: center;
  color: #2d3748;
  margin-bottom: 2rem;
}

#container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem;
  border: 2px dashed #cbd5e0;
  border-radius: 1rem;
  background: white;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition: border-color 0.3s ease;
}

#thumb {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem;
}

#container:hover {
  border-color: #4a5568;
}

#container svg {
  margin-bottom: 1rem;
  opacity: 0.7;
}

#container div {
  margin-top: 1.5rem;
  width: 100%;
  max-width: 400px;
}

input[type="text"] {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #e2e8f0;
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: border-color 0.3s ease;
  background: #f8fafc;
}

input[type="text"]:focus {
  outline: none;
  border-color: #4a5568;
  box-shadow: 0 0 0 3px rgba(74, 85, 104, 0.1);
}

#example {
  display: inline-block;
  margin-top: 0.5rem;
  color: #4299e1;
  cursor: pointer;
  font-size: 0.875rem;
  transition: color 0.3s ease;
}

#example:hover {
  color: #2b6cb0;
  text-decoration: underline;
}

#status {
  display: block;
  margin: 1.5rem auto;
  padding: 0.75rem;
  text-align: center;
  border-radius: 0.5rem;
  font-weight: 500;
  background: linear-gradient(90deg, #4c1d95 0%, #6d28d9 100%);
  color: white;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    opacity: 0.8;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0.8;
  }
}

#status.ready {
  background: linear-gradient(90deg, #065f46 0%, #059669 100%);
  animation: none;
}

#upload {
  display: none;
}

@media (max-width: 640px) {
  body {
    padding: 1rem;
  }

  #container {
    padding: 1.5rem;
  }
}

#llm-output {
  font-family: "IBM Plex Mono", monospace;
  background: #282c34;
  color: #abb2bf;
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1.5rem auto;
  min-height: 100px;
  max-height: 400px;
  overflow-y: auto;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

#llm-output:empty::after {
  content: "Waiting for response...";
  color: #5c6370;
  font-style: italic;
}

#container.disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

#container.disabled #thumb svg {
  opacity: 0.4;
}