* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #eef2f6;
  color: #111827;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}

h1 {
  margin: 0 0 8px;
  font-size: 26px;
}

h2 {
  margin: 0 0 12px;
  font-size: 18px;
}

.muted {
  margin: 0 0 16px;
  color: #4b5563;
}

.panel {
  background: #ffffff;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.btn,
button {
  display: inline-block;
  text-decoration: none;
  border: 1px solid #111827;
  background: #111827;
  color: #ffffff;
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 14px;
  cursor: pointer;
}

.btn:hover,
button:hover {
  background: #1f2937;
}

.result {
  margin: 0;
  min-height: 110px;
  padding: 12px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  background: #0f172a;
  color: #f8fafc;
  overflow: auto;
}

.endpoint-list {
  margin: 0;
  padding-left: 20px;
}

.endpoint-list li {
  margin: 6px 0;
}