.tools-directory { max-width: 1120px; margin: 0 auto; padding: 2.5rem var(--container-padding) 4rem; }
  .tools-directory [hidden] { display: none !important; }
  .tools-heading { max-width: 760px; margin-bottom: 1.5rem; }
  .tools-heading .eyebrow { color: var(--ink-70); font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 .5rem; }
  .tools-heading h1 { margin: 0 0 .65rem; font-family: var(--font-display); font-size: clamp(2.25rem, 5vw, 3.5rem); line-height: 1.1; color: var(--ink-deep); }
  .tools-heading p { color: var(--ink-70); line-height: 1.6; margin: 0 0 .6rem; }
  .tools-heading a, .tools-help a { color: var(--ink-deep); text-underline-offset: .2em; }
  .tools-controls { background: var(--surface); border: var(--keyline-w) solid var(--keyline); border-radius: var(--r-sm); padding: 1rem; box-shadow: var(--chip-md) var(--keyline); margin-bottom: 1.5rem; }
  .tools-search-label { display: block; font-weight: 600; color: var(--ink-deep); margin-bottom: .4rem; }
  .tools-search { width: 100%; box-sizing: border-box; background: var(--canvas); color: var(--ink-deep); border: var(--keyline-w-sm) solid var(--keyline); border-radius: var(--r-sm); padding: .8rem; font: inherit; }
  .tools-search::placeholder { color: var(--ink-70); }
  .tools-filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .8rem; }
  .tools-filter { background: var(--surface); color: var(--ink-deep); border: var(--keyline-w-sm) solid var(--keyline); border-radius: var(--r-sm); padding: .6rem .8rem; font: inherit; font-size: .88rem; cursor: pointer; }
  .tools-filter[aria-pressed="true"] { background: var(--ink-deep); color: var(--surface); }
  .tools-filter:hover { box-shadow: var(--chip-sm) var(--keyline); }
  .tools-directory :is(a, button, input):focus-visible { outline: 3px solid var(--coral); outline-offset: 3px; }
  .tools-count { color: var(--ink-70); font-size: .88rem; margin: 0 0 1rem; }
  .tools-section { margin-top: 2rem; scroll-margin-top: 6rem; }
  .tools-section h2 { color: var(--ink-deep); font-family: var(--font-display); font-size: 1.8rem; margin: 0 0 .4rem; }
  .tools-section-intro { color: var(--ink-70); margin: 0 0 1rem; line-height: 1.5; }
  .tools-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .85rem; }
  .tool-card { display: block; color: var(--ink-deep); background: var(--surface); text-decoration: none; border: var(--keyline-w) solid var(--keyline); border-radius: var(--r-sm); padding: 1rem; box-shadow: var(--chip-sm) var(--keyline); }
  .tool-card:hover { background: var(--wash); box-shadow: var(--chip-md) var(--keyline); }
  .tool-card-title { display: flex; align-items: baseline; justify-content: space-between; gap: .7rem; }
  .tool-card h3 { font-size: 1.05rem; line-height: 1.4; margin: 0; }
  .tool-card-arrow { flex-shrink: 0; font-weight: 700; }
  .tool-card p { color: var(--ink-70); line-height: 1.5; font-size: .92rem; margin: .5rem 0 .75rem; }
  .tool-badges { display: flex; flex-wrap: wrap; gap: .4rem; }
  .tool-badge { background: var(--wash); color: var(--ink-70); border: 1px solid var(--rule); border-radius: var(--r-sm); font-size: .73rem; font-weight: 600; padding: .2rem .4rem; }
  .tool-badge-beta { background: var(--caution-10); color: var(--caution-deep); }
  .tools-empty, .tools-help { background: var(--wash); border: var(--keyline-w-sm) solid var(--keyline); border-radius: var(--r-sm); padding: 1rem; line-height: 1.6; color: var(--ink-70); }
  .tools-empty button { font: inherit; color: var(--ink-deep); background: var(--surface); border: var(--keyline-w-sm) solid var(--keyline); border-radius: var(--r-sm); padding: .55rem .8rem; cursor: pointer; }
  .tools-help { margin-top: 2rem; }
  .tools-help h2 { font-size: 1.1rem; color: var(--ink-deep); margin: 0 0 .5rem; }
  .tools-help p { margin: .4rem 0; }
  @media (max-width: 640px) { .tools-grid { grid-template-columns: 1fr; } .tools-directory { padding-top: 1.75rem; } }