:root {
  color-scheme: light;
  --bg: WhiteSmoke;
  --panel: White;
  --text: Black;
  --muted: Gray;
  --line: Black;
  --soft-line: #cccccc;
  --link: #0066ff;
  --link-hover: #88bbff;
  --visited: #800080;
  --mark: LightYellow;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: normal normal 100% "Trebuchet MS", verdana, "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  line-height: 22px;
}

.app {
  width: min(1120px, calc(100% - 20px));
  margin: 0 auto;
  padding: 18px 0 48px;
}

.topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

h1 {
  margin: 0;
  font-size: 240%;
  font-weight: bold;
  line-height: 120%;
  letter-spacing: 0;
}

p {
  margin: 6px 0 0;
  color: var(--muted);
}

.mirror-link,
.result-link,
.source-link {
  color: var(--link);
  text-decoration: none;
}

.mirror-link:hover,
.result-link:hover,
.source-link:hover {
  text-decoration: underline;
  color: var(--link-hover);
}

.mirror-link:visited,
.result-link:visited,
.source-link:visited {
  color: var(--visited);
}

.credit {
  margin-top: 2px;
}

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

.credit a:visited {
  color: var(--visited);
}

.credit a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

.search-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 14px 18px;
}

.query-label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 14px;
}

.search-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

input,
select,
button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--panel);
  color: var(--text);
  font: inherit;
}

input,
select {
  width: 100%;
  padding: 8px 10px;
}

button {
  padding: 8px 14px;
  cursor: pointer;
}

#searchButton,
.segmented button.active {
  border-color: var(--line);
  background: var(--line);
  color: #fff;
}

.filters {
  display: grid;
  grid-template-columns: auto minmax(120px, 160px) minmax(260px, 1fr) minmax(100px, 140px);
  align-items: end;
  gap: 12px;
  margin-top: 14px;
}

.filters label {
  color: var(--muted);
  font-size: 14px;
}

.filters label select {
  margin-top: 6px;
}

.segmented {
  display: inline-grid;
  grid-template-columns: repeat(3, auto);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 0;
  overflow: hidden;
}

.segmented button {
  border: 0;
  border-radius: 0;
  min-width: 88px;
}

.status {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin: 16px 2px;
  color: var(--muted);
  font-size: 14px;
}

.results {
  display: grid;
  gap: 12px;
}

.result {
  background: var(--panel);
  border: 1px solid var(--soft-line);
  border-left: 2px dashed var(--line);
  border-radius: 0;
  padding: 14px 16px;
}

.result-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  color: var(--muted);
  font-size: 13px;
}

.badge {
  color: var(--link);
  font-weight: 650;
}

.result h2 {
  margin: 5px 0 6px;
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: 0;
}

.snippet {
  margin: 0;
  color: var(--text);
  white-space: pre-wrap;
}

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

.snippet a:visited {
  color: var(--visited);
}

.snippet a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

.snippet strong {
  font-weight: bold;
}

.snippet blockquote {
  margin: 1em 2em;
  padding: 0.5em 1em;
  background-color: #dddddd;
  border: 0;
}

.result-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-top: 10px;
}

.expand-button {
  min-height: 32px;
  padding: 4px 10px;
  color: var(--link);
}

.pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 18px;
  color: var(--muted);
}

.pager button {
  min-height: 36px;
}

.pager button:disabled {
  cursor: default;
  opacity: 0.45;
}

mark {
  background: var(--mark);
  color: inherit;
  padding: 0 2px;
}

.empty {
  border: 1px dashed var(--line);
  border-radius: 0;
  padding: 24px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 760px) {
  .app {
    width: min(100% - 20px, 1120px);
    padding-top: 16px;
  }

  .topbar,
  .status {
    display: block;
  }

  .mirror-link {
    display: inline-block;
    margin-top: 10px;
  }

  .search-row,
  .filters {
    grid-template-columns: 1fr;
  }

  .segmented {
    width: 100%;
    grid-template-columns: repeat(3, 1fr);
  }
}