* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  background: #f6f7f9;
  color: #1b2430;
}

.shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
}

.panel {
  width: min(760px, 100%);
  background: #fff;
  border: 1px solid #dfe4ea;
  border-radius: 8px;
  box-shadow: 0 18px 45px rgba(27, 36, 48, .08);
  padding: 28px;
}

.brand {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

h1 {
  margin: 0 0 8px;
  font-size: 32px;
  line-height: 1.1;
}

p {
  margin: 0;
  color: #586474;
}

.status {
  border: 1px solid #b9c3cf;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 700;
  color: #334155;
}

.form {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: #334155;
}

input {
  width: 100%;
  min-height: 44px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  padding: 10px 12px;
  font: inherit;
  color: #111827;
  background: #fff;
}

button {
  min-height: 44px;
  border: 0;
  border-radius: 6px;
  background: #125e54;
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

button:disabled {
  opacity: .65;
  cursor: wait;
}

.result {
  margin-top: 20px;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  padding: 16px;
  display: grid;
  gap: 14px;
}

.result.ok {
  background: #f1fbf8;
  border-color: #9bd7c9;
}

.result.error {
  background: #fff5f5;
  border-color: #fecaca;
}

pre {
  overflow: auto;
  margin: 0;
  padding: 12px;
  background: #111827;
  color: #f8fafc;
  border-radius: 6px;
  font-size: 12px;
}