.tools-index-page {
  --tools-line: #d7d1c7;
  --tools-paper: #f3f0e8;
  --tools-surface: #fffefa;
  --tools-ink: #211f1c;
  --tools-muted: #706b63;
  --tools-rust: #c34f2d;
}

body.tools-index-page main.tools-index-main {
  width: min(1380px, calc(100% - 64px));
  margin: 0 auto;
  padding: 46px 0 96px;
}

.tools-index-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 540px);
  gap: 64px;
  align-items: end;
  border-bottom: 1px solid var(--tools-line);
  padding: 38px 0 42px;
}

.tools-index-kicker {
  color: var(--tools-rust);
  font: 820 10px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.tools-index-hero h1 {
  max-width: 720px;
  margin: 16px 0 15px;
  font-size: clamp(50px, 6vw, 78px) !important;
}

.tools-index-hero p {
  max-width: 650px;
  margin: 0;
  color: var(--tools-muted);
  font-size: 15px;
  line-height: 1.75;
}

.tools-index-search {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-height: 58px;
  border: 1px solid var(--tools-line);
  padding: 0 16px;
  background: var(--tools-surface);
}

.tools-index-search > span { color: var(--tools-rust); font-size: 20px; }
.tools-index-search input { min-width: 0; border: 0 !important; padding: 0 !important; background: transparent !important; font-size: 14px !important; outline: 0; }
.tools-index-search kbd { border: 1px solid var(--tools-line); padding: 4px 6px; color: #8f887e; background: #f4f0e9; font: 750 9px/1 ui-monospace, monospace; }

.tools-index-layout {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr) 230px;
  gap: 28px;
  align-items: start;
  padding-top: 30px;
}

.tools-index-categories,
.tools-index-aside {
  position: sticky;
  top: 88px;
  display: grid;
  gap: 0;
}

.tools-index-categories > span,
.tools-index-aside > span {
  margin-bottom: 12px;
  color: #918a80;
  font: 800 9px/1.4 ui-monospace, monospace;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.tools-index-categories :where(button, summary) {
  min-height: 54px;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto 14px;
  align-items: center;
  gap: 8px;
  border: 0;
  border-top: 1px solid var(--tools-line);
  padding: 0;
  color: #625d55;
  background: transparent;
  text-align: left;
  cursor: pointer;
  list-style: none;
}

.tools-index-categories summary::-webkit-details-marker { display: none; }
.tools-index-categories > :last-child { border-bottom: 1px solid var(--tools-line); }
.tools-index-categories :where(button, summary) b { color: var(--tools-rust); font: 820 9px/1 ui-monospace, monospace; }
.tools-index-categories :where(button, summary) strong { font-size: 12px; }
.tools-index-categories :where(button, summary) i { color: #a29a90; font: 700 9px/1 ui-monospace, monospace; }
.tools-index-categories :where(button, summary).active { color: var(--tools-ink); }
.tools-index-categories :where(button, summary).active::before { content: ''; position: absolute; left: 0; width: 2px; height: 28px; background: var(--tools-rust); }
.tools-index-category-group { border-top: 1px solid var(--tools-line); }
.tools-index-category-group summary { border-top: 0; }
.tools-index-category-chevron { color: #999187; font-size: 16px; transform: rotate(0); transition: transform .14s; }
.tools-index-category-group[open] .tools-index-category-chevron { transform: rotate(90deg); }
.tools-index-category-links { display: grid; border-top: 1px solid color-mix(in srgb, var(--tools-line) 72%, transparent); padding: 6px 0 10px 34px; }
.tools-index-category-links a { min-height: 29px; display: flex; align-items: center; gap: 7px; color: var(--tools-muted); font-size: 9.5px; font-weight: 690; line-height: 1.35; text-decoration: none; }
.tools-index-category-links a::before { content: ''; width: 7px; border-top: 1px solid var(--tools-line); }
.tools-index-category-links a:hover { color: var(--tools-rust); }

.tools-index-center { min-width: 0; }
.tools-index-result-head { min-height: 44px; display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; border-bottom: 1px solid var(--tools-line); }
.tools-index-result-head h2 { margin: 0 0 10px; font: 500 28px/1.1 Georgia, "Songti SC", serif; }
.tools-index-result-head output { color: var(--tools-muted); font: 750 10px/1.4 ui-monospace, monospace; }
.tools-index-results { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }

.tools-index-card {
  min-height: 150px;
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  grid-template-rows: auto 1fr auto;
  gap: 12px 14px;
  border-right: 1px solid var(--tools-line);
  border-bottom: 1px solid var(--tools-line);
  padding: 20px;
  color: var(--tools-ink);
  background: rgba(255, 254, 250, .34);
  text-decoration: none;
}

.tools-index-card:nth-child(2n) { border-right: 0; }
.tools-index-card:hover { background: var(--tools-surface); }
.tools-index-number { position: absolute; top: 15px; right: 16px; color: #a0988d; font: 750 9px/1 ui-monospace, monospace; }
.tools-index-icon { grid-row: 1 / 3; width: 40px; height: 40px; display: grid; place-items: center; background: #eadcd4; color: #8d3f2b; font: 820 9px/1 ui-monospace, monospace; }
.tools-index-copy { display: grid; gap: 7px; padding-right: 24px; }
.tools-index-copy strong { font-size: 14px; }
.tools-index-copy small { color: var(--tools-muted); font-size: 11px; line-height: 1.5; }
.tools-index-mode { grid-column: 1 / 3; align-self: end; color: #6e7e73; font: 750 9px/1 ui-monospace, monospace; font-style: normal; }
.tools-index-open { position: absolute; right: 18px; bottom: 18px; color: var(--tools-rust); font-size: 10px; font-weight: 800; font-style: normal; }
.tools-index-empty { grid-column: 1 / -1; min-height: 260px; display: grid; place-items: center; margin: 0; border-bottom: 1px solid var(--tools-line); color: var(--tools-muted); text-align: center; }

.tools-index-aside section { border: 1px solid var(--tools-line); padding: 17px; background: rgba(255, 254, 250, .42); }
.tools-index-aside section + section { margin-top: 12px; }
.tools-index-aside h3 { margin: 0 0 10px; font-size: 13px; }
.tools-index-aside p { margin: 0; color: var(--tools-muted); font-size: 11px; line-height: 1.65; }
.tools-index-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 14px; background: var(--tools-line); }
.tools-index-stats div { padding: 10px 5px; background: var(--tools-surface); text-align: center; }
.tools-index-stats b { display: block; font: 820 15px/1 ui-monospace, monospace; }
.tools-index-stats small { display: block; margin-top: 5px; color: var(--tools-muted); font-size: 8px; }

@media (max-width: 1120px) {
  .tools-index-layout { grid-template-columns: 170px minmax(0, 1fr); }
  .tools-index-aside { display: none; }
}

@media (max-width: 760px) {
  body.tools-index-page main.tools-index-main { width: calc(100% - 28px); padding-top: 24px; }
  .tools-index-hero { grid-template-columns: 1fr; gap: 26px; padding: 24px 0 30px; }
  .tools-index-hero h1 { font-size: clamp(44px, 14vw, 64px) !important; }
  .tools-index-layout { display: block; padding-top: 18px; }
  .tools-index-categories { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-bottom: 26px; }
  .tools-index-categories > span { grid-column: 1 / -1; }
  .tools-index-categories :where(button, summary) { min-height: 48px; border: 1px solid var(--tools-line); border-width: 1px 1px 0 0; padding: 0 9px; }
  .tools-index-categories > :last-child { border-bottom: 0; }
  .tools-index-category-group { border-top: 0; }
  .tools-index-category-links { display: none; }
  .tools-index-results { grid-template-columns: 1fr; }
  .tools-index-card, .tools-index-card:nth-child(2n) { border-right: 0; }
}