:root {
  --paper: #f7f6f1;
  --ink: #252522;
  --muted: #6d6c65;
  --line: #cfcdc4;
  --link: #1746b3;
  --mark: #fff1a8;
  --copy: #41413d;
  --hover: #efede5;
  --image-paper: #ebe9e1;
  --page: min(1200px, calc(100vw - 32px));
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --paper: #181916;
  --ink: #eeede7;
  --muted: #aaa99f;
  --line: #454640;
  --link: #8eb7ff;
  --mark: #574f20;
  --copy: #cecdc5;
  --hover: #22231f;
  --image-paper: #20211e;
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) {
    color-scheme: dark;
    --paper: #181916;
    --ink: #eeede7;
    --muted: #aaa99f;
    --line: #454640;
    --link: #8eb7ff;
    --mark: #574f20;
    --copy: #cecdc5;
    --hover: #22231f;
    --image-paper: #20211e;
  }
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 19px;
  line-height: 1.6;
}

a {
  color: var(--link);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

a:hover {
  text-decoration-thickness: 2px;
}

button,
input,
select {
  font: inherit;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 8px;
  left: 8px;
  padding: 7px 10px;
  color: var(--paper);
  background: var(--ink);
  transform: translateY(-140%);
}

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

.site-header {
  border-bottom: 1px solid var(--line);
}

.header-inner,
.footer-inner,
.page {
  width: var(--page);
  margin-inline: auto;
}

.header-inner {
  display: flex;
  min-height: 66px;
  align-items: center;
  justify-content: space-between;
}

.site-name {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 17px;
  font-weight: 700;
  text-decoration: none;
}

.site-header nav {
  display: flex;
  gap: 20px;
}

.header-actions,
.theme-control {
  display: flex;
  align-items: center;
}

.header-actions {
  gap: 24px;
}

.theme-control {
  gap: 6px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 13px;
}

.theme-control select {
  padding: 2px 16px 2px 3px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  color: var(--ink);
  background: var(--paper);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 13px;
}

.site-header nav a {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 15px;
  text-decoration: none;
}

.site-header nav a::before {
  content: "[";
  opacity: 0;
}

.site-header nav a::after {
  content: "]";
  opacity: 0;
}

.site-header nav a:hover,
.site-header nav a[aria-current="page"] {
  color: var(--ink);
}

.site-header nav a:hover::before,
.site-header nav a:hover::after,
.site-header nav a[aria-current="page"]::before,
.site-header nav a[aria-current="page"]::after {
  opacity: 1;
}

.page {
  min-height: calc(100vh - 126px);
  padding-block: 64px 92px;
}

.home-page {
  max-width: 760px;
  padding-top: clamp(90px, 14vh, 150px);
}

.kicker,
.breadcrumbs,
.page-status {
  font-family: var(--mono);
  font-size: 14px;
}

.kicker {
  margin: 0 0 15px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.breadcrumbs {
  margin-bottom: 62px;
  color: var(--muted);
}

.breadcrumbs a {
  color: inherit;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  font-family: var(--serif);
  font-size: clamp(48px, 7vw, 78px);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1;
}

.home-intro,
.page-title > p:not(.kicker, .page-status) {
  max-width: 690px;
  color: var(--copy);
  font-family: var(--serif);
  font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1.45;
}

.home-intro {
  margin-bottom: 70px;
}

.home-index {
  border-top: 1px solid var(--ink);
}

.index-entry {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  gap: 20px;
  align-items: start;
  padding: 24px 3px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
}

.index-entry:hover {
  background: var(--hover);
}

.index-number {
  padding-top: 4px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 14px;
}

.index-copy strong {
  display: block;
  margin-bottom: 5px;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 400;
}

.index-copy span {
  color: var(--muted);
}

.plain-note {
  max-width: 580px;
  margin: 52px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.plain-note span {
  margin-right: 8px;
  color: var(--ink);
}

.page-title {
  margin-bottom: 80px;
}

.page-title h1 {
  margin-bottom: 24px;
}

.page-status {
  margin-top: 28px;
  color: var(--muted);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--ink);
}

.section-heading h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 400;
}

.search-box {
  display: flex;
  width: min(270px, 100%);
  align-items: center;
  gap: 8px;
}

.search-box input {
  width: 100%;
  min-width: 0;
  padding: 7px 2px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  color: var(--ink);
  background: transparent;
  outline: 0;
  font-size: 18px;
}

.search-box input:focus {
  border-color: var(--ink);
}

.search-box kbd {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
}

.text-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  padding: 15px 0 28px;
}

.text-filters button {
  padding: 0;
  border: 0;
  border-bottom: 1px solid transparent;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 14px;
}

.text-filters button:hover,
.text-filters button[aria-pressed="true"] {
  border-color: currentColor;
  color: var(--ink);
}

.inventory {
  border-top: 1px solid var(--line);
}

.inventory-group {
  display: grid;
  grid-template-columns: 190px 1fr;
  border-bottom: 1px solid var(--ink);
}

.inventory-group > header {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 8px;
  align-content: start;
  padding: 18px 20px 18px 0;
}

.inventory-group > header span {
  padding-top: 3px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 13px;
}

.inventory-group > header h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 400;
}

.inventory-group > div {
  border-left: 1px solid var(--line);
}

.inventory-item {
  border-bottom: 1px solid var(--line);
}

.inventory-item:last-child {
  border-bottom: 0;
}

.inventory-item summary {
  display: grid;
  grid-template-columns: 16px 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 16px 0 16px 12px;
  cursor: pointer;
  list-style: none;
}

.inventory-item summary::-webkit-details-marker {
  display: none;
}

.inventory-item summary::before {
  content: "+";
  color: var(--muted);
  font-family: var(--mono);
}

.inventory-item[open] summary::before {
  content: "–";
}

.inventory-item summary small {
  max-width: 210px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 13px;
  text-align: right;
}

.item-tag {
  display: inline-flex;
  align-items: center;
  margin-right: 9px;
  padding: 2px 8px;
  border: 1px solid var(--tag-border, var(--line));
  border-radius: 999px;
  color: var(--tag-ink, var(--muted));
  background: var(--tag-bg, transparent);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.45;
  text-transform: uppercase;
  vertical-align: 1px;
}

.item-tag[data-tag="alt"] {
  --tag-bg: #eee2fb;
  --tag-border: #cfb5ea;
  --tag-ink: #612f89;
}

.item-tag[data-tag="cold"] {
  --tag-bg: #deedff;
  --tag-border: #afd1f2;
  --tag-ink: #174f7c;
}

.item-tag[data-tag="cool"] {
  --tag-bg: #dff3ed;
  --tag-border: #aedfd3;
  --tag-ink: #176052;
}

.item-tag[data-tag="rain"] {
  --tag-bg: #e3e9ff;
  --tag-border: #bac8f4;
  --tag-ink: #344f96;
}

html[data-theme="dark"] .item-tag[data-tag="alt"] {
  --tag-bg: #3c2a4b;
  --tag-border: #6d4f84;
  --tag-ink: #e7c8ff;
}

html[data-theme="dark"] .item-tag[data-tag="cold"] {
  --tag-bg: #203b52;
  --tag-border: #396886;
  --tag-ink: #b9dcff;
}

html[data-theme="dark"] .item-tag[data-tag="cool"] {
  --tag-bg: #203f39;
  --tag-border: #397266;
  --tag-ink: #bceadd;
}

html[data-theme="dark"] .item-tag[data-tag="rain"] {
  --tag-bg: #293452;
  --tag-border: #4d6291;
  --tag-ink: #cbd6ff;
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) .item-tag[data-tag="alt"] {
    --tag-bg: #3c2a4b;
    --tag-border: #6d4f84;
    --tag-ink: #e7c8ff;
  }

  html:not([data-theme="light"]) .item-tag[data-tag="cold"] {
    --tag-bg: #203b52;
    --tag-border: #396886;
    --tag-ink: #b9dcff;
  }

  html:not([data-theme="light"]) .item-tag[data-tag="cool"] {
    --tag-bg: #203f39;
    --tag-border: #397266;
    --tag-ink: #bceadd;
  }

  html:not([data-theme="light"]) .item-tag[data-tag="rain"] {
    --tag-bg: #293452;
    --tag-border: #4d6291;
    --tag-ink: #cbd6ff;
  }
}

.item-body {
  padding: 0 0 22px 20px;
}

.item-body--with-image {
  display: grid;
  grid-template-columns: minmax(150px, 210px) 1fr;
  gap: 24px;
  padding-top: 4px;
}

.item-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  padding: 8px;
  border: 1px solid var(--line);
  background: var(--image-paper);
  object-fit: contain;
}

.item-details > p {
  max-width: 650px;
  margin-bottom: 20px;
  color: var(--copy);
}

.item-body dl {
  margin: 0;
}

.item-body dl div {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  margin-top: 8px;
}

.item-body dt {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 13px;
  text-transform: uppercase;
}

.item-body dd {
  margin: 0;
  font-size: 17px;
}

.item-link {
  margin: 18px 0 0;
  font-family: var(--mono);
  font-size: 13px;
}

.tool-list {
  border-top: 1px solid var(--line);
}

.tool-row {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 30px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.tool-title a {
  display: inline-block;
  margin-bottom: 7px;
  font-family: var(--serif);
  font-size: 23px;
}

.tool-title span,
.tool-copy small {
  display: block;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.tool-copy p {
  margin-bottom: 10px;
}

.tool-copy small {
  text-transform: none;
  letter-spacing: 0;
}

.empty-state {
  padding: 42px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.empty-state button {
  padding: 0;
  border: 0;
  color: var(--link);
  background: transparent;
  cursor: pointer;
  text-decoration: underline;
}

.margin-note {
  max-width: 620px;
  margin: 60px 0 0 auto;
  padding: 17px 0 0 24px;
  border-top: 1px solid var(--line);
  border-left: 3px solid var(--mark);
  color: var(--muted);
  font-size: 17px;
}

.margin-note strong {
  color: var(--ink);
}

.site-footer {
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 13px;
}

.footer-inner a {
  color: inherit;
}

.error-page {
  max-width: 660px;
  padding-top: 18vh;
}

.error-page p {
  color: var(--muted);
}

@media (max-width: 700px) {
  :root {
    --page: calc(100vw - 20px);
  }

  .header-actions,
  .site-header nav {
    gap: 12px;
  }

  .theme-control > span {
    display: none;
  }

  .page {
    padding-block: 48px 72px;
  }

  .home-page {
    padding-top: 80px;
  }

  .breadcrumbs {
    margin-bottom: 44px;
  }

  .home-intro {
    margin-bottom: 50px;
  }

  .index-entry {
    grid-template-columns: 34px 1fr auto;
    gap: 12px;
  }

  .page-title {
    margin-bottom: 58px;
  }

  .section-heading {
    align-items: stretch;
    flex-direction: column;
    gap: 18px;
  }

  .search-box {
    width: 100%;
  }

  .inventory-group {
    display: block;
  }

  .inventory-group > header {
    padding-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .inventory-group > div {
    border-left: 0;
  }

  .inventory-item summary {
    padding-left: 4px;
  }

  .inventory-item summary small {
    max-width: 120px;
  }

  .item-body {
    padding-left: 16px;
  }

  .item-body--with-image {
    grid-template-columns: 1fr;
  }

  .item-photo {
    max-width: 260px;
  }

  .tool-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .tool-title {
    grid-column: 1;
  }

  .tool-copy {
    grid-column: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
  }
}