:root {
  --color-paper: #f4f1e8;
  --color-paper-deep: #ece7d9;
  --color-ink: #1c1b18;
  --color-ink-soft: #6b665b;
  --color-line: #d9d3c3;
  --color-accent: #d8442a;
  --color-accent-deep: #b0331d;
  --color-mark: #e0a92e;
  --font-display: Inter, Noto Sans TC, sans-serif;
  --font-body: Inter, Noto Sans TC, sans-serif;
  --font-mono: Inter, Noto Sans TC, sans-serif;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

.tool-intro {
  max-width: 64ch;
  margin-block: 24px 16px;
  color: #6b665b;
}

.query-bar {
  position: sticky;
  top: 0;
  z-index: 2;
  padding-block: 16px;
  background: #f4f1e8;
  border-bottom: 1px solid #d9d3c3;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.search-input {
  width: 100%;
  font-family: "Inter", "Noto Sans TC", sans-serif;
  font-size: 1rem;
  padding: 8px 16px;
  border: 1px solid #d9d3c3;
  border-radius: 2px;
  background: #ece7d9;
  color: #1c1b18;
}
.search-input:focus {
  outline: none;
  border-color: #d8442a;
}
.search-input::placeholder {
  color: #6b665b;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-chip {
  font-family: "Inter", "Noto Sans TC", sans-serif;
  font-size: 1rem;
  letter-spacing: 0.04em;
  padding: 4px 16px;
  border: 1px solid #d9d3c3;
  border-radius: 2px;
  color: #6b665b;
  background: transparent;
  cursor: pointer;
  transition: color 0.4s cubic-bezier(0.22, 0.61, 0.36, 1), border-color 0.4s cubic-bezier(0.22, 0.61, 0.36, 1), background-color 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.filter-chip:hover {
  color: #1c1b18;
  border-color: #1c1b18;
}
.filter-chip.is-active {
  color: #f4f1e8;
  background: #d8442a;
  border-color: #d8442a;
}

.result-count {
  margin-block: 16px 0;
  font-family: "Inter", "Noto Sans TC", sans-serif;
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: #6b665b;
}

.category-block {
  padding-block: 40px 16px;
  border-bottom: 1px solid #d9d3c3;
}
.category-block:last-child {
  border-bottom: 0;
}

.category-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 16px;
}

.category-name {
  font-family: "Inter", "Noto Sans TC", sans-serif;
  font-size: 1.75rem;
}

.category-count {
  font-family: "Inter", "Noto Sans TC", sans-serif;
  font-size: 1rem;
  color: #6b665b;
}

.command-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.command-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px;
  border: 1px solid #d9d3c3;
  border-radius: 2px;
  background: #ece7d9;
  cursor: pointer;
  transition: border-color 0.4s cubic-bezier(0.22, 0.61, 0.36, 1), transform 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.command-card:hover {
  border-color: #d8442a;
  transform: translateY(-2px);
}
.command-card.is-deprecated {
  opacity: 0.6;
}
.command-card.is-deprecated .cmd-name {
  text-decoration: line-through;
}

.cmd-name {
  font-family: "Inter", "Noto Sans TC", sans-serif;
  font-size: 1rem;
  font-weight: 500;
  color: #d8442a;
}

.cmd-alias {
  font-family: "Inter", "Noto Sans TC", sans-serif;
  font-size: 1rem;
  color: #6b665b;
}

.cmd-desc {
  font-size: 1rem;
  color: #1c1b18;
}

.cmd-usage {
  font-family: "Inter", "Noto Sans TC", sans-serif;
  font-size: 1rem;
  color: #6b665b;
  padding-top: 4px;
  border-top: 1px solid #d9d3c3;
}

.cmd-foot {
  display: flex;
  justify-content: flex-end;
}

.copy-hint {
  font-family: "Inter", "Noto Sans TC", sans-serif;
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: #6b665b;
  opacity: 0;
  transition: opacity 0.4s cubic-bezier(0.22, 0.61, 0.36, 1), color 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.command-card:hover .copy-hint {
  opacity: 1;
}

.command-card.is-copied .copy-hint {
  opacity: 1;
  color: #d8442a;
}

.empty-state {
  padding-block: 64px;
  text-align: center;
  color: #6b665b;
}