:root {
  --link-color: #5f763d;
  --meta-color: #6b6b6b;
  --label-color: #3f5226;
  --label-background: #eef2e8;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: #d9d9d9;
  color: #444;
}

body {
  font-family: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
}

main {
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  width: min(760px, calc(100% - 32px));
  margin: 40px auto;
  padding: 44px;
  background: #fff;
  box-shadow: 0 0 20px #bbb;
}

.profile-long {
  min-height: calc(100vh - 80px);
}

h1 {
  margin: 26px 0 10px;
  text-align: center;
}

h2 {
  margin: 38px 0 0;
  border-bottom: 1px solid #aaa;
}

h3 {
  margin: 28px 0 8px;
  font-size: 1.05rem;
}

h3 span {
  color: var(--meta-color);
  font: 600 13px/1.45 ui-sans-serif, system-ui, sans-serif;
}

section {
  scroll-margin-top: 16px;
}

a {
  color: var(--link-color);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

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

.site-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.site-nav a,
.section-nav a,
.profile-footer a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.profile-summary,
.issue-range {
  margin: 0;
  text-align: center;
  font: 13px/1.45 ui-sans-serif, system-ui, sans-serif;
}

.profile-summary {
  color: #444;
  font-weight: 650;
}

.issue-range {
  margin-top: 4px;
  color: var(--meta-color);
}

.section-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0 10px;
  margin-top: 12px;
  font: 600 13px/1.45 ui-sans-serif, system-ui, sans-serif;
}

.section-nav-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

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

.contribution-row {
  margin: 0;
  border-top: 1px solid #ddd;
}

.contribution-row:last-child {
  border-bottom: 1px solid #ddd;
}

.contribution-link {
  box-sizing: border-box;
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 0;
}

.contribution-note {
  display: block;
  margin: -3px 0 8px;
  color: #444;
  font: 13px/1.45 ui-sans-serif, system-ui, sans-serif;
}

.contribution-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 10px;
  padding-bottom: 12px;
  color: var(--meta-color);
  font: 13px/1.45 ui-sans-serif, system-ui, sans-serif;
}

.contribution-type {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--label-background);
  color: var(--label-color);
  font-weight: 650;
}

.contribution-issue {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.contribution-group,
.contribution-row[id] {
  scroll-margin-top: 16px;
}

[hidden] {
  display: none !important;
}

.profile-search {
  margin-top: 28px;
  font: 600 13px/1.45 ui-sans-serif, system-ui, sans-serif;
}

.profile-search label {
  display: block;
  margin-bottom: 7px;
}

.profile-search input {
  box-sizing: border-box;
  width: 100%;
  min-height: 44px;
  padding: 9px 12px;
  border: 1px solid #888;
  border-radius: 4px;
  background: #fff;
  color: #333;
  font: 16px/1.4 ui-sans-serif, system-ui, sans-serif;
}

.profile-search input:focus-visible {
  outline: 3px solid var(--link-color);
  outline-offset: 2px;
}

.profile-search-status {
  min-height: 19px;
  margin: 6px 0 0;
  color: var(--meta-color);
  font-weight: 400;
}

.profile-search-empty {
  margin: 38px 0;
  text-align: center;
  font: 600 14px/1.45 ui-sans-serif, system-ui, sans-serif;
}

.profile-long > section:last-of-type {
  padding-bottom: 42px;
}

.profile-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: auto;
  padding-top: 34px;
  font: 600 13px/1.45 ui-sans-serif, system-ui, sans-serif;
}

@media (max-width: 600px) {
  main {
    width: calc(100% - 24px);
    margin: 12px auto;
    padding: 24px;
  }

  .profile-long {
    min-height: calc(100svh - 24px);
  }

  h1 {
    font-size: 1.75rem;
  }

  h3 span,
  .profile-summary,
  .issue-range,
  .section-nav,
  .profile-search,
  .contribution-note,
  .contribution-meta,
  .profile-footer {
    font-size: 14px;
    line-height: 1.5;
  }

  .contribution-meta {
    min-height: 44px;
    padding-bottom: 0;
  }

  .contribution-issue {
    min-height: 44px;
  }

  .section-nav-item > [aria-hidden="true"] {
    display: none;
  }

  .profile-footer {
    flex-wrap: wrap;
  }
}