:root {
  --page: #f3f3f1;
  --card: #ffffff;
  --border: #d4d4d0;
  --text: #2a2a28;
  --muted: #6e6e69;
  --input: #fafaf8;
  --button: #3f3f3c;
  --button-text: #f6f6f4;
  --focus: #7a7a74;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--page);
  color: var(--text);
  font-family: system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.45;
}

.page {
  width: min(420px, calc(100% - 32px));
  margin: 48px auto;
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--border);
}

.header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 1.25rem;
  font-weight: 600;
}

h2 {
  margin-top: 20px;
  font-size: 1rem;
  font-weight: 600;
}

.lede,
.hint,
.status,
.result-label {
  color: var(--muted);
  font-size: 0.875rem;
}

.lede {
  margin-top: 4px;
}

.hint {
  margin-top: 6px;
}

.status {
  min-height: 1.2em;
  margin-top: 12px;
}

label,
.result-label {
  display: block;
  margin-top: 16px;
  margin-bottom: 6px;
  font-size: 0.875rem;
}

.result-label {
  color: var(--muted);
}

input {
  display: block;
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  background: var(--input);
  color: var(--text);
  font: inherit;
}

button {
  font: inherit;
  cursor: pointer;
}

form button[type="submit"],
#copy {
  border: 1px solid var(--button);
  background: var(--button);
  color: var(--button-text);
}

form button[type="submit"] {
  width: 100%;
  margin-top: 16px;
  padding: 8px 12px;
}

#sign-out {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
}

#copy {
  padding: 8px 12px;
}

button:disabled {
  cursor: default;
}

input:focus-visible,
button:focus-visible {
  outline: 1px solid var(--focus);
  outline-offset: 1px;
}

.result-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

code {
  flex: 1;
  min-width: 0;
  padding: 8px;
  border: 1px solid var(--border);
  background: var(--input);
  font-family: ui-monospace, monospace;
  font-size: 0.8rem;
  word-break: break-all;
}