:root {
  --bg: #ffffff;
  --bg-subtle: #f6f8fa;
  --bg-muted: #eaeef2;
  --border: #d8dee4;
  --border-strong: #8c959f;
  --fg: #1f2328;
  --fg-muted: #424a53;
  --fg-subtle: #59636e;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-fg: #ffffff;
  --accent-soft: #eff6ff;
  --accent-ring: rgb(37 99 235 / 0.22);
  --ok: #15803d;
  --ok-soft: #e7f6ec;
  --warn: #b45309;
  --warn-soft: #fdf3e2;
  --err: #c2255c;
  --err-hover: #a61e4d;
  --err-fg: #ffffff;
  --err-soft: #fdecf2;
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --radius: 6px;
  /* Query screens read across; a mutation is one column the width of a form. */
  --wide: 920px;
  --narrow: 600px;
  --gutter: 20px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --bg-subtle: #161b22;
    --bg-muted: #21262d;
    --border: #30363d;
    --border-strong: #6e7681;
    --fg: #f0f3f6;
    --fg-muted: #c9d1d9;
    --fg-subtle: #9198a1;
    --accent: #4c8dff;
    --accent-hover: #6ea1ff;
    --accent-fg: #0d1117;
    --accent-soft: #14233f;
    --accent-ring: rgb(76 141 255 / 0.3);
    --ok: #4ac26b;
    --ok-soft: #12261b;
    --warn: #e3a341;
    --warn-soft: #2b2111;
    --err: #ff7b9c;
    --err-hover: #ff9db5;
    --err-fg: #0d1117;
    --err-soft: #2d1620;
  }
}
* {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 14px / 1.5 var(--font-sans);
}
a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
h1,
h2,
h3 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-wrap: balance;
  overflow-wrap: anywhere;
}
h1 {
  font-size: 24px;
  line-height: 1.25;
}
h2 {
  font-size: 16px;
}
h3 {
  font-size: 15px;
}
p,
dl,
dd,
fieldset {
  margin: 0;
}
code,
.mono {
  font-family: var(--font-mono);
  font-size: 12.5px;
}
.boot {
  padding: 48px var(--gutter);
  color: var(--fg-subtle);
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 3px;
}
/* A heading takes the focus when the screen changes; it is not a control, so it shows no ring. */
h1:focus {
  outline: 0;
}

/* Shell */
.top {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 52px;
  padding: 0 var(--gutter);
  border-bottom: 1px solid var(--border);
}
.brand {
  font-weight: 650;
  color: var(--fg);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.brand span {
  color: var(--fg-subtle);
  font-weight: 450;
}
.topnav {
  display: flex;
  gap: 2px;
  margin-left: auto;
  align-items: center;
}
.navlink {
  padding: 6px 10px;
  border-radius: var(--radius);
  color: var(--fg-muted);
  white-space: nowrap;
}
.navlink:hover {
  background: var(--bg-subtle);
  text-decoration: none;
}
main {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 28px var(--gutter) 96px;
}
main.narrow {
  max-width: var(--narrow);
  padding-top: 36px;
}
.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 6px;
  color: var(--fg-subtle);
  font-size: 13px;
  margin-bottom: 14px;
}
.crumbs a {
  color: var(--fg-subtle);
}
.crumbs .sep {
  color: var(--border-strong);
}
.head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px 24px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.head-text {
  flex: 1 1 320px;
  min-width: 0;
}
.head-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.sub {
  color: var(--fg-subtle);
  margin-top: 4px;
  max-width: 68ch;
}
.aside {
  color: var(--fg-subtle);
  font-weight: 400;
  font-size: 12.5px;
  margin-left: 8px;
}
.tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.tabs a {
  padding: 8px 12px;
  color: var(--fg-subtle);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
}
.tabs a:hover {
  color: var(--fg);
  text-decoration: none;
}
.tabs a[aria-current] {
  color: var(--fg);
  border-color: var(--accent);
  font-weight: 550;
}
section {
  margin-bottom: 36px;
}
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
section > h2 {
  margin-bottom: 10px;
}
section > .sub {
  margin: 0 0 12px;
}
section > p + p {
  margin-top: 12px;
}

/* Settings as labelled values: the label, what it is now, and the link that changes it. */
.props {
  margin-bottom: 36px;
  border-top: 1px solid var(--border);
}
.prop {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) auto;
  gap: 4px 20px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
}
.prop dt {
  color: var(--fg-subtle);
}
.prop dd {
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
}
.prop-value {
  min-width: 0;
  flex: 0 1 auto;
  overflow-wrap: anywhere;
}
.prop-value:has(.copy) {
  flex: 1 1 100%;
}
.prop-about {
  display: block;
  color: var(--fg-subtle);
  font-size: 13px;
}
.prop-change {
  grid-column: 3;
  justify-content: flex-end;
  white-space: nowrap;
}

/* Lists */
.list {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.row {
  display: flex;
  align-items: center;
  gap: 8px 12px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  min-width: 0;
}
.row:last-child {
  border-bottom: 0;
}
a.row {
  color: inherit;
}
a.row:hover {
  background: var(--bg-subtle);
  text-decoration: none;
}
a.row:focus-visible {
  outline-offset: -2px;
}
.grow {
  flex: 1;
  min-width: 0;
}
.title {
  font-weight: 550;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.title .tag {
  margin-left: 8px;
  font-weight: 400;
}
.meta {
  color: var(--fg-subtle);
  font-size: 12.5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
/* Details that must stay readable on a narrow screen: wrap instead of cutting off. */
.meta.wrap {
  white-space: normal;
  overflow-wrap: anywhere;
}
.meta code {
  margin-right: 10px;
}
.chevron {
  color: var(--border-strong);
  font-size: 18px;
  line-height: 1;
}
.row-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  align-items: baseline;
  font-size: 13px;
  white-space: nowrap;
}
a.danger,
.linklike.danger {
  color: var(--err);
}
.empty {
  padding: 28px 16px;
  text-align: center;
  color: var(--fg-subtle);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}
.empty strong {
  display: block;
  color: var(--fg);
  margin-bottom: 4px;
  font-weight: 550;
}
.tag {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 12px;
  background: var(--bg-muted);
  color: var(--fg-muted);
  white-space: nowrap;
}
.tag.ok {
  background: var(--ok-soft);
  color: var(--ok);
}
.tag.warn {
  background: var(--warn-soft);
  color: var(--warn);
}

/* What the last mutation did, beside the thing it did it to. */
.just-now {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  color: var(--ok);
  font-size: 12.5px;
  font-weight: 500;
  white-space: nowrap;
}
.just-now::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  transform: translateY(-1px);
}
.sub .just-now {
  margin-left: 10px;
}
.removed {
  margin: 0 0 10px;
}
.removed .just-now {
  white-space: normal;
}

/* Controls */
button,
.button {
  font: inherit;
  cursor: pointer;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  padding: 6px 12px;
  white-space: nowrap;
}
button:hover,
.button:hover {
  background: var(--bg-subtle);
}
a.button {
  display: inline-block;
}
a.button:hover {
  text-decoration: none;
}
.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-fg);
  font-weight: 550;
}
.primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}
.button.danger {
  color: var(--err);
}
.button.danger:hover {
  background: var(--err-soft);
  border-color: var(--err);
}
.danger-solid {
  background: var(--err);
  border-color: var(--err);
  color: var(--err-fg);
  font-weight: 550;
}
.danger-solid:hover {
  background: var(--err-hover);
  border-color: var(--err-hover);
}
button.small {
  padding: 3px 8px;
  font-size: 12.5px;
}
button.linklike {
  border: 0;
  padding: 0;
  background: none;
  color: var(--accent);
  font-size: inherit;
}
button.linklike:hover {
  background: none;
  text-decoration: underline;
}
button:disabled {
  opacity: 0.6;
  cursor: default;
}
input,
select {
  font: inherit;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 7px 10px;
  min-width: 0;
  width: 100%;
}
input[type="radio"] {
  width: auto;
  padding: 0;
  margin: 3px 0 0;
  accent-color: var(--accent);
  flex: none;
}
input:focus-visible,
select:focus-visible {
  outline: 0;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring);
}
input[type="radio"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  box-shadow: none;
}
.search {
  margin-bottom: 8px;
}
.tally {
  margin: 0 0 12px;
}

/* Copyable values */
.copy {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 5px 6px 5px 10px;
}
.copy code {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.notice {
  padding: 10px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-subtle);
  margin-bottom: 20px;
}
.notice.warn {
  border-color: var(--warn);
  background: var(--warn-soft);
}
/* What mockingbird.yaml controls: a fact about the screen, not a warning. */
.notice.managed,
.notice.prefer {
  border-left: 3px solid var(--accent);
  color: var(--fg-muted);
}
.notice strong {
  color: var(--fg);
  font-weight: 600;
}
.notice a {
  white-space: nowrap;
}
.mutation-surface > .notice {
  margin: 16px 0 0;
}
.mutation-surface > .props {
  margin: 20px 0 0;
}
.nowrap {
  white-space: nowrap;
}
.head + .notice.prefer {
  margin-top: -8px;
}
.empty span {
  display: block;
  max-width: 52ch;
  margin: 0 auto;
}
.empty-action {
  margin-top: 14px;
}
.empty-aside {
  margin-top: 14px;
  font-size: 13px;
}

/* Text to read or copy whole: a file, or commands. */
.code {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-subtle);
  overflow: hidden;
}
.code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 38px;
  padding: 5px 6px 5px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.code-label {
  color: var(--fg-subtle);
  font-size: 12.5px;
  font-weight: 550;
}
.code-actions {
  display: flex;
  gap: 6px;
}
.code pre {
  margin: 0;
  padding: 12px 14px;
  overflow-x: auto;
  line-height: 1.6;
  tab-size: 2;
}
.code pre:focus-visible {
  outline-offset: -2px;
}
.intro {
  margin: 0 0 16px;
}
section > .sub.after {
  margin: 12px 0;
}
.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 24px;
}
.steps li {
  counter-increment: step;
  display: grid;
  gap: 8px;
  min-width: 0;
  padding-left: 34px;
  position: relative;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--bg-muted);
  color: var(--fg-muted);
  font-size: 12.5px;
  font-weight: 600;
  line-height: 22px;
  text-align: center;
}
.steps p {
  color: var(--fg-muted);
  max-width: 68ch;
}

/* A screen-sized statement: not found, no access, not responding. */
.statement h1 {
  margin-bottom: 8px;
}
.statement p {
  color: var(--fg-muted);
  max-width: 60ch;
}
.statement-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 24px;
}
main[data-route="unavailable"],
main[data-route="not-found"],
main[data-route="forbidden"],
main[data-route="gone"],
main[data-route="managed"],
main[data-route="error"] {
  padding-top: 10vh;
}

/* Mutation screens: one form, one submit. */
.lead {
  color: var(--fg-muted);
  margin-top: 10px;
  max-width: 62ch;
  font-size: 15px;
}
.lead code {
  overflow-wrap: anywhere;
}
.is-danger .lead {
  border-left: 3px solid var(--err);
  padding-left: 12px;
}
form.mutation {
  margin-top: 28px;
  display: grid;
  gap: 22px;
}
.field {
  display: grid;
  gap: 6px;
  min-width: 0;
  border: 0;
  padding: 0;
}
.field > label,
.field > legend {
  font-weight: 600;
  padding: 0;
}
.field > legend {
  margin-bottom: 6px;
}
.hint {
  color: var(--fg-subtle);
  font-size: 13px;
  overflow-wrap: anywhere;
}
.choices > .hint {
  margin-bottom: 4px;
}
.field-error {
  color: var(--err);
  font-size: 13px;
  font-weight: 500;
}
.field-error:not(.emulator > *)::before {
  content: "";
  display: inline-block;
  width: 3px;
  height: 0.9em;
  margin-right: 8px;
  background: var(--err);
  vertical-align: -1px;
}
[aria-invalid="true"]:not([type="radio"]) {
  border-color: var(--err);
}
.choices:has([aria-invalid="true"]) .choice-list {
  border-color: var(--err);
}
.choice-list {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  overflow: hidden;
}
.choice {
  display: flex;
  gap: 10px;
  padding: 11px 12px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}
.choice:last-child {
  border-bottom: 0;
}
.choice:hover {
  background: var(--bg-subtle);
}
.choice:has(input:checked) {
  background: var(--accent-soft);
  box-shadow: inset 3px 0 0 var(--accent);
}
.choice-text {
  display: grid;
  gap: 1px;
  min-width: 0;
}
.choice-title {
  font-weight: 550;
}
.choice-title .tag {
  margin-left: 8px;
  font-weight: 400;
  background: var(--bg);
  border: 1px solid var(--border);
}
.choice-about {
  color: var(--fg-subtle);
  font-size: 13px;
}
.form-error {
  border: 1px solid var(--err);
  border-left-width: 3px;
  border-radius: var(--radius);
  background: var(--err-soft);
  padding: 10px 12px;
}
.form-error strong {
  display: block;
  color: var(--err);
}
.form-error ul {
  margin: 4px 0 0;
  padding-left: 18px;
}
.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
p.form-actions {
  margin-top: 24px;
}
.form-actions button,
.form-actions .button {
  padding: 8px 16px;
}
.cancel {
  color: var(--fg-muted);
  padding: 8px 0;
}
button[data-pending]::before {
  content: "";
  display: inline-block;
  width: 0.85em;
  height: 0.85em;
  margin-right: 8px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  vertical-align: -1px;
}

/* A secret, shown once. */
.secret {
  margin: 24px 0 14px;
}
.secret .copy {
  padding: 10px 10px 10px 14px;
  border-color: var(--border-strong);
}
.secret .copy code {
  white-space: normal;
  overflow-wrap: anywhere;
  font-size: 13.5px;
}

/* Emulators of a fleet */
.emulator {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  padding: 14px;
  display: grid;
  gap: 12px;
}
.emulator header {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 6px 10px;
}
.emulator .notice {
  margin: 0;
}
.emulator .props {
  margin: 0;
  border-top: 0;
}
.emulator .prop {
  padding: 0;
  border-bottom: 0;
  grid-template-columns: 100px minmax(0, 1fr) auto;
}
.emulator footer {
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

/* Sign-in */
.signin .lead {
  margin-bottom: 24px;
}
.signin .sub {
  margin: 0 0 12px;
}
.methods .row {
  padding: 14px;
}

/* API reference */
.op {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
}
.op:last-child {
  border-bottom: 0;
}
.op code {
  overflow-wrap: anywhere;
  min-width: 0;
}
.op .method {
  font: 600 11.5px var(--font-mono);
  width: 52px;
  flex: none;
}
.op .GET {
  color: var(--ok);
}
.op .POST {
  color: var(--accent);
}
.op .PUT,
.op .PATCH {
  color: var(--warn);
}
.op .DELETE {
  color: var(--err);
}
.op .summary {
  color: var(--fg-subtle);
  margin-left: auto;
  text-align: right;
}

@media (max-width: 640px) {
  :root {
    --gutter: 16px;
  }
  h1 {
    font-size: 21px;
  }
  main,
  main.narrow {
    padding-top: 20px;
  }
  /* Phones zoom into a field whose text is smaller than 16px. */
  input,
  select {
    font-size: 16px;
  }
  .head-actions .button {
    padding: 8px 14px;
  }
  .prop,
  .emulator .prop {
    grid-template-columns: minmax(0, 1fr) auto;
  }
  .prop dt {
    grid-column: 1;
    font-size: 12.5px;
  }
  .prop dd:not(.prop-change) {
    grid-column: 1 / -1;
    grid-row: 2;
  }
  .prop-change {
    grid-column: 2;
    grid-row: 1;
  }
  /* A row's links move under what they act on, each a comfortable target. */
  .row:not(a) {
    flex-wrap: wrap;
  }
  .row .row-links {
    flex: 1 1 100%;
    gap: 4px 20px;
  }
  .row-links a,
  .row-links button {
    padding: 6px 0;
  }
  .form-actions button {
    flex: 1 1 100%;
    padding: 11px 16px;
  }
  .form-actions .cancel {
    flex: 1 1 100%;
    text-align: center;
  }
  .steps li {
    padding-left: 0;
  }
  .steps li::before {
    position: static;
    justify-self: start;
  }
  .op {
    flex-wrap: wrap;
  }
  .op .summary {
    margin-left: 62px;
    text-align: left;
    width: 100%;
  }
}
@media (prefers-reduced-motion: no-preference) {
  button,
  .button,
  a.row,
  .tabs a,
  .choice {
    transition:
      background-color 0.12s,
      border-color 0.12s,
      color 0.12s;
  }
  button[data-pending]::before {
    animation: spin 0.8s linear infinite;
  }
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}