body {
  font-family: Arial, sans-serif;
  background: #f5f7fb;
  color: #222;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 780px;
  margin: 40px auto;
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.08);
}

h1 {
  margin-top: 0;
}

.description {
  color: #555;
  line-height: 1.5;
}

label {
  display: block;
  margin-top: 18px;
  margin-bottom: 6px;
  font-weight: bold;
}

input,
select {
  width: 100%;
  padding: 12px;
  border: 1px solid #ccd3dd;
  border-radius: 8px;
  font-size: 16px;
  box-sizing: border-box;
}

button {
  margin-top: 22px;
  padding: 12px 22px;
  border: none;
  border-radius: 8px;
  background: #78C2AD;
  color: #fff;
  font-size: 16px;
  cursor: pointer;
}

button:hover {
  background: #5fae98;
}

.url-box {
  margin-top: 18px;
}

.url-row {
  display: flex;
  gap: 10px;
}

.url-row input {
  flex: 1;
}

.url-row button {
  margin-top: 0;
  white-space: nowrap;
}

.request-url {
  padding: 12px;
  border: 1px solid #ccd3dd;
  border-radius: 8px;
  background: #f5f7fb;
  word-break: break-all;
  font-family: monospace;
}

.note {
  margin-top: 18px;
  font-size: 14px;
}

pre {
  background: #0f172a;
  color: #e5e7eb;
  padding: 18px;
  border-radius: 8px;
  overflow-x: auto;
  min-height: 120px;
}