:root {
  --toolbox-accent: #d7a36a;
  --toolbox-accent-soft: rgba(215, 163, 106, .13);
  --toolbox-ink: rgba(255, 255, 255, .92);
  --toolbox-muted: rgba(255, 255, 255, .68);
  --toolbox-faint: rgba(255, 255, 255, .48);
  --toolbox-rule: rgba(255, 255, 255, .14);
  --toolbox-panel: rgba(37, 46, 58, .46);
}

.toolbox-page,
.tool-page {
  max-width: 960px;
}

.toolbox-page > header {
  margin-bottom: 2.5rem;
}

.toolbox-page h1,
.tool-page h1 {
  margin-bottom: .75rem;
  font-size: clamp(2.6rem, 7vw, 4.8rem);
  letter-spacing: -.045em;
  line-height: 1.05;
}

.toolbox-intro {
  max-width: 700px;
  margin: 0;
  color: var(--toolbox-muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.toolbox-intro strong {
  color: var(--toolbox-ink);
  font-weight: 500;
}

.toolbox-filters {
  margin: 2.5rem 0 2rem;
  padding: 1.25rem 0 1.5rem;
  border-top: 1px solid var(--toolbox-rule);
  border-bottom: 1px solid var(--toolbox-rule);
}

.filter-group + .filter-group {
  margin-top: 1.1rem;
}

.filter-label,
.tool-eyebrow {
  display: block;
  margin-bottom: .6rem;
  color: var(--toolbox-faint);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
}

.filter-buttons button,
.source-filter,
.lens-refresh {
  border: 1px solid var(--toolbox-rule);
  border-radius: 999px;
  background: transparent;
  color: var(--toolbox-muted);
  font: inherit;
}

.filter-buttons button {
  padding: .42rem .72rem;
  cursor: pointer;
}

.filter-buttons button:hover,
.filter-buttons button:focus-visible,
.filter-buttons button[aria-pressed="true"] {
  border-color: var(--toolbox-accent);
  color: var(--toolbox-accent);
}

.source-filter {
  width: min(100%, 340px);
  padding: .5rem 2rem .5rem .75rem;
  cursor: pointer;
}

.catalogue-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: .7rem;
  color: var(--toolbox-faint);
  font-size: .82rem;
}

.clear-filters {
  border: 0;
  background: transparent;
  color: var(--toolbox-accent);
  font: inherit;
  cursor: pointer;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.tool-card {
  min-width: 0;
  border: 1px solid var(--toolbox-rule);
  border-radius: .65rem;
  background: var(--toolbox-panel);
  transition: border-color .18s ease, transform .18s ease;
}

.tool-card:hover {
  border-color: rgba(215, 163, 106, .58);
  transform: translateY(-2px);
}

.tool-card[hidden] {
  display: none;
}

.tool-card > a {
  display: flex;
  height: 100%;
  box-sizing: border-box;
  flex-direction: column;
  padding: 1.35rem;
  color: inherit;
}

.tool-card > a:hover {
  color: inherit;
}

.tool-card h2 {
  margin: .2rem 0 .75rem;
  font-size: 1.25rem;
  line-height: 1.3;
}

.tool-question {
  flex: 1;
  margin: 0 0 1.2rem;
  color: var(--toolbox-ink);
  font-size: 1.03rem;
  line-height: 1.55;
}

.tool-meta,
.tool-tags,
.use-list {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.tool-tag,
.use-list span {
  padding: .2rem .48rem;
  border-radius: 999px;
  background: var(--toolbox-accent-soft);
  color: var(--toolbox-accent);
  font-size: .72rem;
}

.source-note {
  margin-top: .7rem;
  color: var(--toolbox-faint);
  font-size: .78rem;
}

.empty-state {
  margin: 2rem 0;
  padding: 1.5rem;
  border: 1px solid var(--toolbox-rule);
  border-radius: .65rem;
  color: var(--toolbox-muted);
}

.back-link {
  display: inline-block;
  margin-bottom: 2rem;
  color: var(--toolbox-accent);
}

.tool-page .tool-tags {
  margin-bottom: 1rem;
}

.tool-page .tool-question-lead {
  margin: 1.8rem 0 2.5rem;
  padding: 1.25rem 0 1.25rem 1.5rem;
  border-left: 3px solid var(--toolbox-accent);
  color: var(--toolbox-ink);
  font-size: clamp(1.35rem, 3.1vw, 1.9rem);
  font-style: normal;
  line-height: 1.45;
}

.tool-sections {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.tool-section {
  padding: 1.35rem;
  border: 1px solid var(--toolbox-rule);
  border-radius: .65rem;
  background: var(--toolbox-panel);
}

.tool-section.wide {
  grid-column: 1 / -1;
}

.tool-section h2 {
  margin: 0 0 .7rem;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.tool-section p {
  margin: 0;
  color: var(--toolbox-muted);
  line-height: 1.65;
}

.tool-section .use-list {
  margin-top: .25rem;
}

.post-relationship {
  display: block;
  padding: 1rem 0;
  border-bottom: 1px solid var(--toolbox-rule);
}

.post-relationship:last-child {
  border-bottom: 0;
}

.post-relationship strong,
.post-relationship span {
  display: block;
}

.post-relationship span {
  margin-top: .3rem;
  color: var(--toolbox-muted);
  font-size: .9rem;
}

.toolbox-callout {
  margin: 3.5rem 0 2.5rem;
  padding: 1.35rem;
  border: 1px solid var(--toolbox-rule);
  border-radius: .65rem;
  background: var(--toolbox-panel);
}

.toolbox-callout h2 {
  margin: 0 0 .9rem;
  font-size: 1rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.essay-tool-link {
  display: block;
  padding: 1rem 0;
  border-top: 1px solid var(--toolbox-rule);
  color: inherit;
}

.essay-tool-link:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.essay-tool-link strong,
.essay-tool-link span {
  display: block;
}

.essay-tool-link .essay-tool-question {
  margin-top: .35rem;
  color: var(--toolbox-muted);
  line-height: 1.5;
}

.essay-tool-link .essay-tool-action {
  margin-top: .55rem;
  color: var(--toolbox-accent);
  font-size: .82rem;
}

.home-toolbox {
  margin: 0 0 4.5rem;
}

.home-toolbox-header {
  max-width: 760px;
  margin-bottom: 2rem;
}

.home-toolbox-header h1 {
  margin: 0;
  font-size: clamp(2.55rem, 6vw, 4.6rem);
  letter-spacing: -.045em;
  line-height: 1.05;
}

.home-toolbox-header p {
  margin: 1rem 0 0;
  color: var(--toolbox-muted);
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  line-height: 1.6;
}

.home-toolbox-header .not-rules {
  color: var(--toolbox-ink);
}

.toolbox-doors {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.toolbox-door {
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--toolbox-rule);
  border-radius: .65rem;
  background: var(--toolbox-panel);
}

.toolbox-door h2 {
  margin: .2rem 0 .7rem;
  font-size: 1.12rem;
}

.toolbox-door p {
  color: var(--toolbox-muted);
  font-size: .92rem;
  line-height: 1.55;
}

.problem-links {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  margin-top: 1rem;
}

.problem-links a {
  padding: .25rem .48rem;
  border-radius: 999px;
  background: var(--toolbox-accent-soft);
  color: var(--toolbox-accent);
  font-size: .72rem;
}

.lens-question {
  min-height: 7.3rem;
  margin: .9rem 0;
  color: var(--toolbox-ink) !important;
  font-size: 1.05rem !important;
}

.lens-name {
  display: block;
  color: var(--toolbox-faint);
  font-size: .78rem;
}

.lens-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .8rem;
  margin-top: 1rem;
}

.lens-refresh {
  padding: .38rem .68rem;
  cursor: pointer;
}

.lens-open,
.door-link {
  color: var(--toolbox-accent);
}

@media (max-width: 760px) {
  .tool-grid,
  .tool-sections,
  .toolbox-doors {
    grid-template-columns: 1fr;
  }

  .lens-question {
    min-height: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tool-card {
    transition: none;
  }
}