:root {
  font-family: Arial, sans-serif;
  color: #1f2937;
  background: #f3f4f6;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

.page {
  max-width: 860px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  gap: 16px;
}

.card {
  background: #ffffff;
  border: 1px solid #d1d5db;
  border-radius: 12px;
  padding: 20px;
}

.form {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 14px;
}

input,
textarea,
button {
  font: inherit;
}

input,
textarea {
  width: 100%;
  border: 1px solid #9ca3af;
  border-radius: 8px;
  padding: 8px 10px;
}

.checkbox-line {
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox-line input {
  width: auto;
}

button {
  width: fit-content;
  border: 0;
  border-radius: 8px;
  padding: 10px 14px;
  background: #0f766e;
  color: #ffffff;
  cursor: pointer;
}

button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.muted {
  color: #4b5563;
}

.message {
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  margin-top: 10px;
}

.message--success {
  background: #ecfdf5;
  border: 1px solid #6ee7b7;
}

.message--error {
  background: #fef2f2;
  border: 1px solid #fca5a5;
}

.field-error {
  color: #b91c1c;
  min-height: 18px;
  font-size: 12px;
}

.credentials {
  display: grid;
  gap: 4px;
  margin-top: 8px;
  font-size: 14px;
}

.hidden {
  display: none;
}

code {
  background: #f3f4f6;
  border-radius: 4px;
  padding: 1px 4px;
}