:root {
  color-scheme: light;
  --ink: #202723;
  --muted: #66706a;
  --line: #d8ded9;
  --surface: #ffffff;
  --surface-subtle: #f3f5f3;
  --green: #236b4d;
  --green-soft: #e6f1eb;
  --amber: #9b5d0c;
  --focus: #0b6bcb;
  font-family: Inter, "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 1280px;
  background: var(--surface-subtle);
}

body {
  min-width: 1280px;
  margin: 0;
  color: var(--ink);
  background: var(--surface-subtle);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

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

.site-header__inner,
.catalog,
.site-footer__inner {
  width: min(1180px, calc(100% - 64px));
  margin: 0 auto;
}

.site-header__inner {
  display: flex;
  min-height: 86px;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand h1 {
  margin: 0;
  font-size: 25px;
  font-weight: 680;
  letter-spacing: 0;
}

.brand p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.catalog-summary {
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
}

.catalog-summary strong {
  color: var(--green);
  font-size: 18px;
}

.catalog {
  padding: 30px 0 54px;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 34px 38px;
  align-items: start;
}

.catalog-group {
  min-width: 0;
  border-top: 3px solid var(--ink);
}

.catalog-group:nth-child(3n + 2) {
  border-top-color: var(--green);
}

.catalog-group:nth-child(3n) {
  border-top-color: var(--amber);
}

.catalog-group h2 {
  margin: 0;
  padding: 13px 2px 11px;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  font-weight: 680;
  letter-spacing: 0;
}

.algorithm-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.algorithm-list li {
  border-bottom: 1px solid var(--line);
}

.algorithm-link {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  min-height: 58px;
  align-items: center;
  gap: 10px;
  padding: 8px 7px 8px 3px;
  color: inherit;
  text-decoration: none;
}

.algorithm-link:hover {
  background: var(--green-soft);
}

.algorithm-link .fruit-icon {
  color: var(--green);
  text-align: center;
}

.algorithm-link__name {
  overflow-wrap: anywhere;
  font-size: 14px;
  line-height: 1.35;
}

.algorithm-link__id {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
}

.algorithm-link__arrow {
  color: var(--muted);
  font-size: 18px;
}

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

.site-footer__inner {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 12px;
}

@media (prefers-contrast: more) {
  :root {
    --line: #8c948f;
    --muted: #3f4742;
  }
}