.infection-category {
  --skill-category-bg: #deece1;
  --skill-category-border: #c8dccd;
  --skill-category-text: #446b4e;
}

.infection-layers {
  max-width: 720px;
  margin: 0 0 22px;
}

.infection-layer {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  text-align: center;
}

.infection-layer + .infection-layer {
  margin-top: 8px;
}

.infection-layer-added {
  border-color: #c5d8e7;
  background: #f4f8fb;
}

.infection-layer-base {
  border-color: #c8dccd;
  background: #f3f8f4;
}

.infection-layer span,
.infection-layer strong {
  display: block;
}

.infection-layer span {
  color: var(--muted);
  font-size: 13px;
}

.infection-layer strong {
  margin-top: 4px;
  color: var(--navy);
  font-size: 19px;
}

.infection-layer ul {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.infection-layer li {
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  font-size: 13px;
  font-weight: 700;
}

.infection-route-grid,
.infection-choice-grid,
.infection-ppe-grid,
.infection-waste-grid {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.infection-route-grid,
.infection-waste-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.infection-choice-grid,
.infection-ppe-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.infection-route-grid > div,
.infection-choice-grid > div,
.infection-ppe-grid > div,
.infection-waste-grid > div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.infection-route-grid h3,
.infection-choice-grid h3,
.infection-ppe-grid h3,
.infection-waste-grid h3 {
  color: var(--navy);
}

.infection-route-grid ul,
.infection-choice-grid ul,
.infection-ppe-grid ol {
  margin: 12px 0 0;
  padding-left: 1.3em;
}

.infection-route-grid li + li,
.infection-choice-grid li + li,
.infection-ppe-grid li + li {
  margin-top: 6px;
}

.infection-route-summary {
  min-height: 3.2em;
  margin: 8px 0 0;
  color: var(--muted) !important;
  font-size: 14px;
}

.infection-example-heading {
  margin: 16px 0 0;
  color: var(--main-darker) !important;
  font-size: 13px;
  font-weight: 800;
}

.infection-example-list {
  margin-top: 7px !important;
  font-size: 14px;
}

.infection-route-action {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.infection-route-action strong,
.infection-route-action span {
  display: block;
}

.infection-route-action strong {
  color: var(--main-darker);
}

.infection-route-action span {
  margin-top: 4px;
  color: var(--muted);
  line-height: 1.65;
}

.infection-choice-label {
  display: inline-block;
  margin: 0 0 10px;
  padding: 4px 8px;
  border-radius: 4px;
  color: var(--main-darker) !important;
  background: var(--surface-soft);
  font-size: 13px;
  font-weight: 800;
}

.infection-choice-result {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--main-darker) !important;
  font-weight: 700;
}

.infection-subsection {
  margin-top: 30px;
}

.infection-subsection h3 {
  margin-bottom: 14px;
}

.infection-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.infection-chip-list li {
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface-soft);
  font-weight: 700;
}

.infection-timing-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: infection-timing;
}

.infection-timing-list li {
  min-height: 112px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  counter-increment: infection-timing;
}

.infection-timing-list li::before {
  content: counter(infection-timing);
  display: grid;
  width: 30px;
  height: 30px;
  margin-bottom: 12px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--main);
  font-size: 13px;
  font-weight: 800;
}

.infection-timing-list strong {
  color: var(--navy);
  font-size: 14px;
  line-height: 1.55;
}

.infection-ppe-grid {
  margin-top: 26px;
}

.infection-ppe-grid > div:first-child {
  border-top: 4px solid #7496c2;
}

.infection-ppe-grid > div:last-child {
  border-top: 4px solid #d9a9a9;
}

.infection-biohazard {
  display: inline-grid;
  grid-template-columns: 46px auto;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.infection-biohazard span {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 2px solid currentColor;
  border-radius: 4px;
  background: #fff;
  font-family: "Segoe UI Symbol", "Yu Gothic UI", sans-serif;
  font-size: 30px;
  line-height: 1;
}

.infection-biohazard strong {
  min-width: 32px;
  padding: 4px 7px;
  border: 1px solid currentColor;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 800;
}

.infection-biohazard-red { color: #a94343; }
.infection-biohazard-orange { color: #a55b24; }
.infection-biohazard-yellow { color: #866b12; }

.infection-waste-grid p {
  margin: 8px 0 0;
  color: var(--muted) !important;
  font-size: 14px;
}

.infection-waste-rules {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 14px 0 0;
  padding: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  list-style: none;
}

.infection-waste-rules li {
  padding: 14px;
  background: var(--surface);
}

.infection-waste-rules strong,
.infection-waste-rules span {
  display: block;
}

.infection-waste-rules strong {
  color: var(--navy);
}

.infection-waste-rules span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.infection-coming {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--main);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.infection-coming h2 {
  margin-bottom: 6px;
}

.infection-coming p {
  margin: 0;
  color: var(--muted) !important;
}

.infection-coming > span {
  flex: 0 0 auto;
  padding: 8px 12px;
  border: 1px solid #cbd3d9;
  border-radius: 4px;
  color: #5f6b78;
  background: #fff;
  font-size: 13px;
  font-weight: 800;
}

@media (max-width: 900px) {
  .infection-timing-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .infection-route-grid,
  .infection-choice-grid,
  .infection-ppe-grid,
  .infection-waste-grid,
  .infection-waste-rules,
  .infection-timing-list {
    grid-template-columns: 1fr;
  }

  .infection-route-summary,
  .infection-timing-list li {
    min-height: 0;
  }

  .infection-timing-list li {
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 12px;
    align-items: center;
  }

  .infection-timing-list li::before {
    margin: 0;
  }

  .infection-coming {
    align-items: flex-start;
    flex-direction: column;
  }
}