* ,
*::before,
*::after { box-sizing: border-box; }

html { min-width: 320px; background: var(--zv-color-bg); }
body.zv-herramientas {
  margin: 0;
  overflow-x: hidden;
  background: var(--zv-color-bg);
  color: var(--zv-color-text);
  font-family: var(--zv-font-ui);
}

.tools-page { width: min(1120px, calc(100% - 40px)); margin: 0 auto; padding: 126px 0 100px; }

/* ── Cabecera (Catálogo v2 §10 ter) ─────────────────────────────────────── */
.tools-hero { max-width: 46em; margin: 0 0 48px; }
.tools-eyebrow {
  margin: 0;
  color: var(--zv-color-evidence);
  font-size: 11px;
  font-weight: var(--zv-font-weight-semibold);
  letter-spacing: .035em;
  line-height: 1.45;
  text-transform: uppercase;
}
.tools-hero h1 {
  margin: 14px 0 18px;
  color: var(--zv-color-ink);
  font-family: var(--zv-font-display);
  font-size: 40px;
  font-weight: var(--zv-font-weight-bold);
  letter-spacing: -.03em;
  line-height: 1.12;
}
.tools-answer { margin: 0; color: var(--zv-color-ink-soft); font-size: 17px; line-height: 1.5; }
.tools-lnk {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--zv-color-teal-link);
  font-weight: var(--zv-font-weight-semibold);
  text-decoration: none;
  text-underline-offset: 3px;
}
.tools-lnk:hover { text-decoration: underline; }
.tools-lnk svg { flex: none; }

/* ── Layout de dos columnas ──────────────────────────────────────────────── */
.tools-layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 48px; align-items: start; }
.tools-layout > *,
.tools-rail { min-width: 0; }

.tools-rail {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 18px;
  max-height: calc(100vh - 96px);
  overflow-x: hidden;
  overflow-y: auto;
  padding: 2px 2px 12px;
  scrollbar-width: thin;
  scrollbar-color: var(--zv-color-line) transparent;
}

.tools-search {
  display: flex;
  align-items: center;
  gap: 10px;
  height: var(--zv-height-lg, 52px);
  padding: 0 14px;
  border: 1px solid var(--zv-color-line-strong);
  border-radius: var(--zv-radius-field);
  background: var(--zv-color-bg-panel);
  box-shadow: var(--zv-shadow-e0);
  color: var(--zv-color-muted);
}
.tools-search svg { flex: none; }
.tools-search input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  font: 500 15px/1.3 var(--zv-font-ui);
  color: var(--zv-color-ink);
  outline: none;
}
.tools-search:focus-within {
  border-color: var(--zv-color-teal-link);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--zv-color-teal-link) 14%, transparent);
}

.tools-catnav { display: grid; gap: 2px; }
.cat-btn {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 12px;
  border: 0;
  border-radius: var(--zv-radius-row);
  background: transparent;
  color: var(--zv-color-ink-soft);
  font: 500 14px/1.3 var(--zv-font-ui);
  text-align: left;
  cursor: pointer;
}
.cat-btn:hover { background: var(--zv-color-bg-panel); }
.cat-btn .cat-count { color: var(--zv-color-muted); font-size: 12.5px; }
.cat-btn.is-active {
  background: var(--zv-color-surface);
  color: var(--zv-color-ink);
  font-weight: var(--zv-font-weight-semibold);
  box-shadow: var(--zv-shadow-e1);
}
.cat-btn.is-active::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--zv-color-teal-graphic); margin-right: -2px; flex: none; }

.tools-ftoggle { display: none; }

.tools-fpanel { display: grid; gap: 14px; padding: 16px; border-radius: var(--zv-radius-field); background: var(--zv-color-bg-panel); box-shadow: var(--zv-shadow-e0); }
.filter-group { min-width: 0; margin: 0; padding: 0; border: 0; display: grid; gap: 4px; }
.filter-group legend {
  padding: 0;
  margin-bottom: 4px;
  color: var(--zv-color-ink);
  font-size: 13px;
  font-weight: var(--zv-font-weight-semibold);
}
.filter-check { display: flex; align-items: center; gap: 10px; min-height: 34px; font-size: 14px; color: var(--zv-color-ink-soft); cursor: pointer; }
.filter-check input { width: 17px; height: 17px; accent-color: var(--zv-color-navy); margin: 0; }
.filter-note { margin: 4px 0 0; color: var(--zv-color-muted); font-size: 12px; line-height: 1.5; }
.clear-filters {
  justify-self: start;
  min-height: 38px;
  margin-top: 2px;
  padding: 0 14px;
  border: 1px solid var(--zv-color-line-strong);
  border-radius: var(--zv-radius-btn);
  background: var(--zv-color-surface);
  color: var(--zv-color-ink);
  font: 600 13px/1 var(--zv-font-ui);
  cursor: pointer;
}
.tools-empty .clear-filters { background: transparent; border: 0; padding: 0; color: var(--zv-color-teal-link); text-decoration: underline; text-underline-offset: 3px; }

/* ── Resultados ──────────────────────────────────────────────────────────── */
.tools-rline { margin: 0 0 18px; color: var(--zv-color-muted); font-size: 14px; }
.cat-groups { opacity: 1; transition: opacity 120ms var(--zv-motion-micro-easing); }
.cat-groups.is-filtering { opacity: 0; }

.cat-group { margin-bottom: 36px; }
.cat-group h2 {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--zv-color-line);
  color: var(--zv-color-ink);
  font-family: var(--zv-font-display);
  font-size: 20px;
  font-weight: var(--zv-font-weight-semibold);
}
.cat-group-count { color: var(--zv-color-muted); font-family: var(--zv-font-ui); font-size: 13px; font-weight: var(--zv-font-weight-medium); }
.cat-group-list { display: grid; gap: 8px; }

/* Fila de dos líneas (fase 1: tokens compartidos con archive/category rows) */
.cat-row[hidden] { display: none; }
.cat-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 14px;
  row-gap: 2px;
  align-items: center;
  padding: 12px 16px;
  border: 1px solid var(--zv-color-line);
  border-radius: var(--zv-radius-row);
  background: var(--zv-color-surface);
  color: inherit;
  text-decoration: none;
  transition: border-color 100ms var(--zv-motion-micro-easing), transform 100ms var(--zv-motion-micro-easing);
}
.cat-row:hover { border-color: color-mix(in srgb, var(--zv-color-teal-link) 42%, var(--zv-color-line)); transform: translateX(2px); }
.cat-row:hover .cat-row-name { color: var(--zv-color-teal-link); }
.cat-row-logo {
  grid-row: 1 / 3;
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 10px;
  background: var(--zv-color-bg-panel);
  box-shadow: var(--zv-shadow-logo);
}
.cat-row-logo img { width: 26px; height: 26px; object-fit: contain; }
.cat-row-main { min-width: 0; display: grid; gap: 2px; }
.cat-row-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 12px; }
.cat-row-name { color: var(--zv-color-ink); font-size: 16px; font-weight: var(--zv-font-weight-semibold); }
.cat-row-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.cat-row-tag { border-radius: var(--zv-radius-label); padding: 2px 8px; font-size: 12px; font-weight: var(--zv-font-weight-medium); white-space: nowrap; }
.cat-row-tag.is-free  { color: var(--zv-color-teal-text); background: var(--zv-color-teal-soft); }
.cat-row-tag.is-paid  { color: var(--zv-color-amber-text); background: var(--zv-color-amber-bg); }
.cat-row-tag.is-unknown,
.cat-row-tag.is-lang  { color: var(--zv-color-muted); background: var(--zv-color-bg-panel); }
.cat-row-tag.is-level { color: var(--zv-color-on-teal); background: var(--zv-color-navy); }
.cat-row-tag.is-level-usada { background: var(--zv-color-navy-btn); }
.cat-row-tag.is-level-revisada { color: var(--zv-color-muted); background: var(--zv-color-bg-panel); }
.cat-row-desc {
  display: block;
  overflow: hidden;
  color: var(--zv-color-evidence);
  font-size: 13.5px;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tools-empty { padding: 32px 28px; border: 1px solid var(--zv-color-line); border-radius: var(--zv-radius-field); background: var(--zv-color-surface); text-align: center; }
.tools-empty h2 { margin: 0 0 8px; color: var(--zv-color-ink); font-family: var(--zv-font-display); font-size: 18px; }
.tools-empty p { margin: 0; color: var(--zv-color-evidence); font-size: 14px; }

.zv-herramientas :is(a, button):focus-visible { outline: 2px solid var(--zv-color-teal-link); outline-offset: 3px; }

#zv-cookie-backdrop {
  position: fixed;
  z-index: 9998;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: color-mix(in srgb, var(--zv-color-navy) 72%, transparent);
}
#zv-cookie-banner { width: min(440px, 100%); padding: 24px; border: 1px solid var(--zv-color-line); border-radius: 10px; background: var(--zv-color-surface); }
.zvcb-title { margin: 0 0 10px; color: var(--zv-color-ink); font-family: var(--zv-font-display); font-size: 16px; line-height: 1.35; }
.zvcb-text { margin: 0 0 16px; color: var(--zv-color-evidence); font-size: 13px; line-height: 1.55; }
.zvcb-text a { color: var(--zv-color-teal); }
.zvcb-btns { display: flex; gap: 8px; }
.zvcb-btns button { flex: 1; min-height: 40px; border-radius: 6px; cursor: pointer; font-weight: var(--zv-font-weight-semibold); }
.zvcb-accept { border: 1px solid var(--zv-color-teal); background: var(--zv-color-teal); color: var(--zv-color-on-teal); }
.zvcb-reject { border: 1px solid var(--zv-color-line); background: transparent; color: var(--zv-color-text); }

@media (max-width: 900px) {
  .tools-page { width: min(720px, calc(100% - 40px)); padding-top: 100px; }
  .tools-hero { margin-bottom: 28px; }
  .tools-hero h1 { font-size: 32px; }
  .tools-layout { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .tools-rail {
    position: sticky;
    top: 58px;
    z-index: 20;
    max-height: none;
    overflow: visible;
    padding: 10px 0 12px;
    background: var(--zv-color-bg);
  }
  .tools-catnav { display: flex; flex-wrap: nowrap; gap: 6px; overflow-x: auto; padding-bottom: 2px; scrollbar-width: none; }
  .tools-catnav::-webkit-scrollbar { display: none; }
  .cat-btn { flex: none; border: 1px solid var(--zv-color-line-strong); background: var(--zv-color-surface); border-radius: var(--zv-radius-pill); white-space: nowrap; }
  .cat-btn.is-active::before { display: none; }
  .tools-ftoggle {
    display: inline-flex;
    justify-self: start;
    align-items: center;
    gap: 6px;
    height: 40px;
    padding: 0 16px;
    margin-top: 8px;
    border: 1px solid var(--zv-color-line-strong);
    border-radius: var(--zv-radius-btn);
    background: var(--zv-color-surface);
    color: var(--zv-color-ink);
    font: 600 13px/1 var(--zv-font-ui);
    cursor: pointer;
  }
  .tools-fpanel { display: none; margin-top: 10px; }
  .tools-fpanel.open { display: grid; }
}

@media (max-width: 600px) {
  .tools-page { width: calc(100% - 40px); padding: 88px 0 70px; }
  .tools-hero h1 { margin: 12px 0 12px; font-size: 28px; line-height: 1.22; }
  .tools-answer { font-size: 15px; }
  .cat-row { grid-template-columns: 36px minmax(0, 1fr); padding: 10px 12px; }
  .cat-row-logo { width: 36px; height: 36px; }
  .cat-row-logo img { width: 22px; height: 22px; }
  .cat-row-top { flex-direction: column; align-items: flex-start; gap: 4px; }
  .zvcb-btns { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .cat-groups,
  .cat-row { transition-duration: 0.01ms !important; transform: none !important; }
  html { scroll-behavior: auto !important; }
}