@font-face {
  font-family: "Avenue Mono";
  src:
    url("./assets/fonts/avenue-mono/Avenue%20Mono.woff2") format("woff2"),
    url("./assets/fonts/avenue-mono/Avenue%20Mono.woff") format("woff");
  font-display: swap;
  font-style: normal;
  font-weight: 400;
}

:root {
  color-scheme: light;
  --background: #f7f5ef;
  --surface: #ffffff;
  --ink: #1e2528;
  --muted: #667174;
  --line: #d9ddd8;
  --accent: #0c6b64;
  --accent-soft: #e5f2ef;
  --warm: #b85c38;
  --code: #112b32;
  --font-brand: "Avenue Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--background);
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--ink);
  font-family: var(--font-brand);
  font-size: 15px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  transform: translateY(-140%);
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  padding: 8px 12px;
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  display: grid;
  grid-template-columns: minmax(250px, 310px) minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  overflow: auto;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  padding: 28px 22px;
}

.brand {
  display: inline-grid;
  gap: 8px;
  align-items: start;
  color: var(--ink);
  text-decoration: none;
}

.brand-logo {
  display: block;
  width: min(178px, 100%);
  height: auto;
}

.brand-subtitle {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0;
  line-height: 1;
}

.handbook-search {
  position: relative;
  display: grid;
  gap: 7px;
  margin-top: 26px;
}

.handbook-search label {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
}

.handbook-search input {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.84);
  color: var(--ink);
  font: 13px/1.4 var(--font-brand);
  padding: 9px 10px;
}

.handbook-search input:focus {
  outline: 0;
  border-color: color-mix(in srgb, var(--accent) 54%, var(--line));
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.search-results {
  position: absolute;
  z-index: 30;
  top: calc(100% + 6px);
  right: 0;
  left: 0;
  max-height: min(420px, calc(100vh - 180px));
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 16px 44px rgba(17, 43, 50, 0.16);
  padding: 6px;
}

.search-result {
  display: grid;
  gap: 3px;
  border-radius: 6px;
  color: var(--ink);
  padding: 9px 10px;
  text-decoration: none;
}

.search-result:hover,
.search-result[aria-selected="true"] {
  background: var(--accent-soft);
}

.search-result strong {
  font-size: 13px;
  line-height: 1.35;
}

.search-result span,
.search-result small,
.search-empty {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.4;
}

.search-result small {
  margin-top: 3px;
}

.search-empty {
  padding: 10px;
}

.tree {
  display: grid;
  gap: 6px;
  margin-top: 34px;
}

.tree section {
  display: grid;
  gap: 4px;
}

.tree a {
  display: block;
  border-radius: 6px;
  color: var(--ink);
  padding: 7px 9px;
  text-decoration: none;
}

.tree-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 4px;
  align-items: center;
}

.tree-row a {
  min-width: 0;
}

.tree div {
  display: grid;
  gap: 2px;
  margin-left: 12px;
  padding-left: 10px;
  border-left: 1px solid var(--line);
}

.tree div a {
  color: var(--muted);
  font-size: 13px;
}

.tree a:hover,
.tree a.active {
  background: var(--accent-soft);
  color: var(--accent);
}

.editable-nav-action {
  display: inline-grid;
  place-items: center;
  min-width: 24px;
  height: 24px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--muted);
  font: 700 11px/1 var(--font-brand);
  cursor: pointer;
  opacity: 0.72;
  padding: 0 6px;
}

.editable-nav-add {
  font-size: 15px;
}

.editable-available .tree-row:hover .editable-nav-action,
.editable-nav-action:focus {
  opacity: 1;
}

.editable-nav-action:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.editable-nav-delete:hover {
  border-color: var(--warm);
  color: var(--warm);
}

.document {
  width: min(100%, 1240px);
  padding: 34px clamp(22px, 5vw, 76px) 96px;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 12px;
}

.breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--accent);
}

.document-header {
  margin-top: 42px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.document-header-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: start;
}

.copy-markdown-menu {
  position: relative;
  display: inline-flex;
  justify-self: end;
  align-items: stretch;
}

.copy-markdown-button,
.copy-markdown-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.68);
  color: var(--ink);
  font: 700 12px/1 var(--font-brand);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.copy-markdown-primary {
  gap: 8px;
  border-radius: 6px 0 0 6px;
  padding: 9px 11px;
}

.copy-markdown-trigger {
  width: 34px;
  margin-left: -1px;
  border-radius: 0 6px 6px 0;
  padding: 0;
}

.copy-markdown-button svg,
.copy-markdown-trigger svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.copy-markdown-button:hover,
.copy-markdown-button:focus-visible,
.copy-markdown-trigger:hover,
.copy-markdown-trigger:focus-visible,
.copy-markdown-trigger[aria-expanded="true"] {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  color: var(--accent);
  z-index: 1;
}

.copy-markdown-button:focus-visible,
.copy-markdown-trigger:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.copy-markdown-button:disabled {
  cursor: default;
  opacity: 0.78;
}

.copy-markdown-options {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  z-index: 20;
  display: grid;
  min-width: 214px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 14px 36px rgba(17, 43, 50, 0.16);
  padding: 6px;
}

.copy-markdown-options[hidden] {
  display: none;
}

.copy-markdown-options button,
.copy-markdown-options a {
  display: block;
  width: 100%;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--ink);
  font: 700 12px/1.25 var(--font-brand);
  padding: 10px;
  text-align: left;
  text-decoration: none;
}

.copy-markdown-options button {
  cursor: pointer;
}

.copy-markdown-options button:hover,
.copy-markdown-options button:focus-visible,
.copy-markdown-options a:hover,
.copy-markdown-options a:focus-visible {
  outline: 0;
  background: var(--accent-soft);
  color: var(--accent);
}

.status {
  display: inline-flex;
  align-items: center;
  border: 1px solid color-mix(in srgb, var(--warm) 28%, transparent);
  border-radius: 999px;
  color: var(--warm);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  padding: 5px 9px;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.18;
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  margin: 16px 0 12px;
  font-size: clamp(38px, 7vw, 68px);
  font-weight: 760;
}

.document-header p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

time {
  display: block;
  margin-top: 14px;
  color: var(--muted);
  font-size: 12px;
}

.document-body {
  max-width: 760px;
}

.document-body.has-page-callout {
  display: grid;
  grid-template-columns: minmax(0, 760px) minmax(170px, 220px);
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
  max-width: none;
}

.prose {
  max-width: 760px;
  min-width: 0;
  margin-top: 38px;
}

.sutro-callout {
  position: sticky;
  top: 34px;
  display: grid;
  gap: 10px;
  margin-top: 44px;
  border-left: 2px solid var(--accent);
  background: rgba(255, 255, 255, 0.58);
  padding: 14px 0 14px 16px;
}

.sutro-callout img {
  width: 28px;
  height: 28px;
}

.sutro-callout span {
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
}

.sutro-callout strong {
  color: var(--ink);
  font-size: 15px;
  line-height: 1.35;
}

.sutro-callout p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.sutro-callout a {
  justify-self: start;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.sutro-callout-inline {
  position: relative;
  z-index: 1;
  float: right;
  width: 220px;
  margin: 4px -268px 20px 28px;
}

.prose h2 {
  margin: 44px 0 12px;
  font-size: 27px;
}

.prose h3 {
  margin: 32px 0 10px;
  font-size: 21px;
}

.prose h2 a,
.prose h3 a {
  color: inherit;
  text-decoration: none;
}

.prose h2 a:hover,
.prose h3 a:hover {
  color: var(--accent);
}

.prose p,
.prose ul,
.prose ol {
  margin: 0 0 18px;
}

.prose table {
  display: block;
  width: 100%;
  margin: 24px 0;
  overflow-x: auto;
  border-collapse: collapse;
  border-spacing: 0;
}

.prose th,
.prose td {
  min-width: 160px;
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

.prose th {
  background: var(--accent-soft);
  color: var(--ink);
  font-weight: 700;
}

.prose td {
  background: rgba(255, 255, 255, 0.55);
}

.prose li + li {
  margin-top: 7px;
}

.prose code {
  border-radius: 4px;
  background: rgba(17, 43, 50, 0.08);
  color: var(--code);
  font-size: 0.92em;
  padding: 0.13em 0.32em;
}

.prose pre {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--code);
  color: #f4fbfa;
  padding: 16px;
}

.prose pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.child-index {
  max-width: 820px;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.child-index h2 {
  margin: 0 0 16px;
  font-size: 18px;
}

.child-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.child-list a {
  display: grid;
  gap: 5px;
  min-height: 118px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  padding: 16px;
  text-decoration: none;
}

.child-list a:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
}

.child-list span {
  color: var(--muted);
  font-size: 14px;
}

.footer-navigation {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  max-width: 820px;
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.footer-navigation-link {
  display: grid;
  gap: 6px;
  min-height: 92px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.58);
  color: var(--ink);
  padding: 15px;
  text-decoration: none;
}

.footer-navigation-link.next {
  text-align: right;
}

.footer-navigation-link:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
}

.footer-navigation-link span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
}

.footer-navigation-link strong {
  font-size: 15px;
  line-height: 1.35;
}

.editable-mode [contenteditable="plaintext-only"] {
  outline: 0;
}

.editable-mode [contenteditable="plaintext-only"]:focus {
  box-shadow: 0 0 0 2px var(--accent-soft);
}

.editable-corner {
  display: flex;
  gap: 16px;
  align-items: flex-end;
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 50;
  flex-direction: column;
  max-width: min(620px, calc(100vw - 36px));
}

.editable-toggle {
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font: 700 13px/1 var(--font-brand);
  padding: 10px 13px;
  cursor: pointer;
}

.editable-toggle.active {
  background: var(--surface);
  color: var(--accent);
}

.editable-status {
  color: var(--muted);
  font-size: 12px;
}

.editable-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 14px 42px rgba(17, 43, 50, 0.16);
  padding: 10px;
}

.editable-actions button,
.editable-actions select,
.editable-form-actions button {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font: 700 12px/1 var(--font-brand);
  min-height: 34px;
  padding: 8px 10px;
}

.editable-actions button[data-action="save"],
.editable-form-actions button[type="submit"] {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.editable-empty {
  color: var(--muted);
}

.editable-metadata {
  max-width: 720px;
  margin-top: 20px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.editable-metadata summary {
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
}

.editable-metadata label,
.editable-new-page label {
  display: grid;
  gap: 5px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

.editable-metadata input,
.editable-new-page input,
.editable-new-page textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font: 13px/1.45 var(--font-brand);
  padding: 8px 10px;
}

.editable-blocks {
  display: grid;
  gap: 8px;
}

.editable-block-row {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  gap: 8px;
  align-items: start;
  margin-left: -38px;
}

.editable-block {
  min-height: 34px;
  border-radius: 6px;
  padding: 5px 10px;
  white-space: pre-wrap;
}

.editable-block:empty::before {
  content: "Empty block";
  color: var(--muted);
}

.editable-block-row.is-dragging {
  opacity: 0.42;
}

.editable-block-row button {
  opacity: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--muted);
  font: 700 11px/1 var(--font-brand);
  margin-top: 2px;
  padding: 7px 8px;
}

.editable-block-drag {
  cursor: grab;
  min-width: 28px;
}

.editable-block-drag:active {
  cursor: grabbing;
}

.editable-block-row:hover button,
.editable-block-row:focus-within button {
  opacity: 1;
}

.editable-new-page {
  display: grid;
  gap: 12px;
  max-width: 760px;
  margin: 0 0 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 16px;
}

.editable-sidebar-page {
  display: grid;
  gap: 8px;
  margin: 6px 0 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 10px;
}

.editable-sidebar-page label {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 11px;
}

.editable-sidebar-page input {
  min-width: 0;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  font: 12px/1.35 var(--font-brand);
  padding: 7px 8px;
}

.editable-new-page h2 {
  margin: 0;
  font-size: 18px;
}

.editable-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.editable-form-actions {
  display: flex;
  gap: 8px;
}

@media (max-width: 820px) {
  .shell {
    display: block;
  }

  .sidebar {
    position: relative;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .tree {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    margin-top: 24px;
  }

  .tree div {
    display: none;
  }

  .document {
    padding-top: 24px;
  }

  .document-header-top {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .copy-markdown-menu {
    justify-self: start;
  }

  .document-body {
    max-width: 760px;
  }

  .document-body.has-page-callout {
    display: block;
    max-width: 760px;
  }

  .sutro-callout {
    position: static;
    margin-top: 32px;
    border-top: 1px solid var(--line);
    border-left: 0;
    padding: 18px 0 0;
  }

  .sutro-callout-inline {
    float: none;
    width: auto;
    margin: 26px 0;
  }

  .document-header {
    margin-top: 28px;
  }

  h1 {
    font-size: 42px;
  }

  .editable-form-grid,
  .editable-block-row {
    grid-template-columns: 28px minmax(0, 1fr) auto;
  }

  .footer-navigation {
    grid-template-columns: 1fr;
  }

  .footer-navigation-link.next {
    text-align: left;
  }

  .editable-block-row {
    margin-left: -4px;
  }

  .editable-corner {
    align-items: stretch;
  }

  .editable-actions {
    justify-content: start;
  }
}