:root {
  --guide-border: #cbd6d3;
  --guide-accent: #087b6d;
  --guide-muted: #5c6b68;
  --guide-soft: #f2f7f5;
}

.how-to-page {
  min-height: 100vh;
  background: #f5f7f6;
  color: #17211f;
}

.how-to-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.how-to-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  color: var(--guide-muted);
  font-size: 14px;
}

.how-to-breadcrumb a,
.how-to-back-link,
.guide-panel-title a {
  color: var(--guide-accent);
  font-weight: 700;
}

.how-to-heading {
  margin-bottom: 24px;
}

.how-to-heading h1 {
  margin: 0 0 8px;
  font-size: clamp(28px, 4vw, 42px);
}

.how-to-heading p {
  margin: 0;
  color: var(--guide-muted);
}

.guide-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  overflow-x: auto;
  border-bottom: 1px solid var(--guide-border);
}

.guide-tab {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 0 18px;
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  color: var(--guide-muted);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.guide-tab.is-active {
  border-bottom-color: var(--guide-accent);
  color: var(--guide-accent);
}

.guide-panel[hidden] {
  display: none;
}

.guide-panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.guide-panel-title h2 {
  margin: 0;
  font-size: clamp(22px, 3vw, 30px);
}

.guide-panel-title a {
  flex: 0 0 auto;
  padding: 8px 12px;
  border: 1px solid var(--guide-accent);
  border-radius: 6px;
  text-decoration: none;
}

.guide-document {
  padding: clamp(20px, 4vw, 44px);
  border: 1px solid var(--guide-border);
  border-radius: 10px;
  background: #fff;
}

.guide-document h3 {
  margin: 38px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--guide-border);
  font-size: 22px;
}

.guide-document h3:first-child {
  margin-top: 0;
}

.guide-document p,
.guide-document li,
.guide-definitions dd {
  font-size: 16px;
  line-height: 1.8;
}

.guide-document p {
  margin: 12px 0;
}

.guide-document ol,
.guide-document ul {
  margin: 14px 0 22px;
  padding-left: 1.7em;
}

.guide-document li + li {
  margin-top: 8px;
}

.guide-figure {
  width: 100%;
  margin: 20px auto 30px;
}

.guide-figure a {
  display: block;
}

.guide-figure img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  border: 1px solid var(--guide-border);
  border-radius: 6px;
  background: #fff;
}

.guide-figure figcaption {
  margin-top: 8px;
  color: var(--guide-muted);
  font-size: 14px;
  text-align: center;
}

.guide-annotated-image {
  position: relative;
}

.guide-annotated-image img {
  width: 100%;
}

.guide-hotspot {
  position: absolute;
  border: 3px solid #d84b35;
  border-radius: 5px;
  pointer-events: none;
}

.guide-hotspot b {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #d84b35;
  color: #fff;
  font-size: 15px;
}

.guide-hotspot-library,
.guide-hotspot-compare-target {
  top: 8%;
  left: 0.2%;
  width: 20.5%;
  height: 91%;
}

.guide-hotspot-editor {
  top: 61%;
  left: 20.5%;
  width: 52%;
  height: 8%;
}

.guide-figure-narrow {
  max-width: 520px;
}

.guide-figure-small {
  max-width: 620px;
}

.guide-note {
  margin: 22px 0;
  padding: 14px 16px;
  border-left: 4px solid var(--guide-accent);
  background: var(--guide-soft);
}

.guide-note > strong {
  color: var(--guide-accent);
}

.guide-note p {
  margin-bottom: 0;
}

.guide-details {
  margin: 28px 0;
  border: 1px solid var(--guide-border);
  border-radius: 8px;
  overflow: hidden;
}

.guide-details summary {
  padding: 16px 18px;
  background: var(--guide-soft);
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
}

.guide-details-body {
  padding: 8px 22px 22px;
}

.guide-definitions {
  margin: 0;
}

.guide-definitions > div {
  padding: 14px 0;
  border-top: 1px solid #e1e8e6;
}

.guide-definitions dt {
  margin-bottom: 4px;
  font-weight: 700;
}

.guide-definitions dd {
  margin: 0;
}

.how-to-back-link {
  display: inline-block;
  margin-top: 24px;
}

@media (max-width: 767px) {
  .how-to-shell {
    width: min(100% - 20px, 1180px);
    padding-top: 16px;
  }

  .guide-tab {
    padding-inline: 13px;
    font-size: 14px;
  }

  .guide-panel-title {
    align-items: flex-start;
  }

  .guide-panel-title a {
    padding: 7px 9px;
    font-size: 13px;
  }

  .guide-document {
    padding: 18px 14px;
  }

  .guide-document h3 {
    margin-top: 30px;
    font-size: 20px;
  }

  .guide-document p,
  .guide-document li,
  .guide-definitions dd {
    font-size: 15px;
    line-height: 1.75;
  }

  .guide-details-body {
    padding-inline: 14px;
  }

  .guide-hotspot {
    border-width: 2px;
  }

  .guide-hotspot b {
    top: 2px;
    left: 2px;
    width: 22px;
    height: 22px;
    font-size: 12px;
  }
}