:root {
  color-scheme: light;
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #1c1e21;
  --muted: #5c6370;
  --line: #d9dde3;
  --accent: #1f4b99;
  --accent-hover: #173a78;
  --danger: #8d1d1d;
  --danger-bg: #fdecec;
  --ok: #145c32;
  --ok-bg: #e8f6ee;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Georgia, "Times New Roman", serif;
  background: var(--bg);
  color: var(--text);
}

main {
  width: min(440px, calc(100% - 32px));
  margin: 48px auto;
  padding: 28px 24px 24px;
  background: var(--card);
  border: 1px solid var(--line);
}

h1 {
  margin: 0 0 8px;
  font-size: 1.6rem;
  font-weight: 700;
}

p.lead,
.hint {
  margin: 0 0 18px;
  color: var(--muted);
  font-family: "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.95rem;
  line-height: 1.45;
}

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

label {
  display: grid;
  gap: 6px;
  font-family: "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
}

input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font: inherit;
  font-family: "Segoe UI", Helvetica, Arial, sans-serif;
}

button,
.button {
  display: inline-block;
  margin-top: 4px;
  padding: 10px 14px;
  border: 0;
  border-radius: 4px;
  background: var(--accent);
  color: #fff;
  font-family: "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.95rem;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

button:hover,
.button:hover {
  background: var(--accent-hover);
}

.links {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  font-family: "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
}

a {
  color: var(--accent);
}

.message {
  margin: 0 0 14px;
  padding: 10px 12px;
  border-radius: 4px;
  font-family: "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.92rem;
  line-height: 1.4;
}

.message.error {
  background: var(--danger-bg);
  color: var(--danger);
}

.message.success {
  background: var(--ok-bg);
  color: var(--ok);
}

.token {
  margin: 0;
  max-width: 100%;
  padding: 10px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-all;
  background: #f7f8fa;
  border: 1px solid var(--line);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  line-height: 1.4;
}

dl {
  margin: 0 0 16px;
  font-family: "Segoe UI", Helvetica, Arial, sans-serif;
}

dt {
  color: var(--muted);
  font-size: 0.8rem;
}

dd {
  margin: 0 0 12px;
  min-width: 0;
  max-width: 100%;
}