.ptr-subject-directory {
  --ptr-teal: #185c6b;
  --ptr-purple: #96588a;
  --ptr-accent: #e9a825;
  --ptr-accent-soft: #fff6dc;
  --ptr-ink: #263f49;
  --ptr-line: #cfe1e5;
  max-width: 1440px;
  margin: 0 auto;
  color: var(--ptr-ink);
}

.ptr-subject-directory *,
.ptr-subject-directory *::before,
.ptr-subject-directory *::after {
  box-sizing: border-box;
}

.ptr-subject-directory__header {
  max-width: 780px;
  margin-bottom: 28px;
}

.ptr-subject-directory__eyebrow {
  margin: 0 0 8px;
  color: var(--ptr-purple);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.ptr-subject-directory__title {
  margin: 0;
  color: var(--ptr-teal);
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 900;
  line-height: 1.03;
}

.ptr-subject-directory__intro {
  margin: 14px 0 0;
  color: #52666f;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 650;
  line-height: 1.45;
}

.ptr-subject-search {
  max-width: 880px;
  margin: 0 0 24px;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--ptr-line);
  border-top: 4px solid var(--ptr-accent);
  border-radius: 10px;
  background: linear-gradient(135deg, #f1f8f9, #fff 68%);
  box-shadow: 0 10px 24px rgba(24, 92, 107, .06);
}

.ptr-subject-search__label {
  display: block;
  margin-bottom: 9px;
  color: var(--ptr-teal);
  font-size: 19px;
  font-weight: 900;
  line-height: 1.2;
}

.ptr-subject-search__controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.ptr-subject-search__input {
  width: 100%;
  min-width: 0;
  min-height: 48px;
  margin: 0;
  padding: 10px 14px;
  border: 1px solid #9dbfc7;
  border-radius: 6px;
  background: #fff;
  color: var(--ptr-ink);
  font: inherit;
  font-size: 16px;
}

.ptr-subject-search__input:focus {
  border-color: var(--ptr-teal);
  outline: 3px solid rgba(233, 168, 37, .3);
  outline-offset: 1px;
}

.ptr-subject-search__button {
  min-height: 48px;
  margin: 0;
  padding: 10px 20px;
  border: 1px solid var(--ptr-accent);
  border-radius: 6px;
  background: var(--ptr-accent);
  color: #253e47;
  font: inherit;
  font-size: 15px;
  font-weight: 900;
  line-height: 1.2;
  cursor: pointer;
}

.ptr-subject-search__button:hover,
.ptr-subject-search__button:focus-visible {
  border-color: var(--ptr-teal);
  background: #f2bd50;
}

.ptr-subject-search__hint {
  margin: 8px 0 0;
  color: #64767d;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.35;
}

.ptr-subject-search__results {
  margin-top: 16px;
  padding-top: 15px;
  border-top: 1px solid var(--ptr-line);
}

.ptr-subject-search__results-title {
  margin: 0 0 8px;
  color: var(--ptr-ink);
  font-size: 15px;
  font-weight: 900;
}

.ptr-subject-search__results ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ptr-subject-search__results li { margin: 0; }

.ptr-subject-search__results a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid #d6e5e8;
  border-radius: 6px;
  background: #fff;
  color: var(--ptr-teal);
  font-size: 14px;
  font-weight: 850;
  line-height: 1.25;
  text-decoration: none;
}

.ptr-subject-search__results a:hover,
.ptr-subject-search__results a:focus-visible {
  border-color: var(--ptr-accent);
  background: var(--ptr-accent-soft);
}

.ptr-subject-search__results small {
  flex: 0 0 auto;
  color: #74858b;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.ptr-subject-directory__jump-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 42px;
  padding: 0;
  list-style: none;
}

.ptr-subject-directory__jump-list li { flex: 0 0 auto; margin: 0; }

.ptr-subject-directory__jump-list a {
  display: block;
  padding: 10px 15px;
  border: 1px solid var(--ptr-line);
  border-left: 4px solid var(--ptr-accent);
  border-radius: 999px;
  background: #fff;
  color: var(--ptr-teal);
  font-size: 14px;
  font-weight: 850;
  line-height: 1.2;
  text-decoration: none;
}

.ptr-subject-directory__jump-list a:hover,
.ptr-subject-directory__jump-list a:focus-visible {
  border-color: var(--ptr-accent);
  background: var(--ptr-accent-soft);
}

.ptr-subject-directory__rollups { display: grid; gap: 56px; }
.ptr-subject-rollup { scroll-margin-top: 120px; }

.ptr-subject-rollup__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--ptr-accent);
}

.ptr-subject-rollup__header h2 {
	flex: 1 1 auto;
  margin: 0;
  color: var(--ptr-teal);
  font-size: clamp(25px, 3vw, 34px);
  font-weight: 900;
  line-height: 1.15;
}

.ptr-subject-rollup__toggle {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: inherit;
  line-height: inherit;
  text-align: left;
}

.ptr-subject-rollup__toggle-icon,
.ptr-subject-rollup__mobile-view-all { display: none; }

.ptr-subject-rollup__header a,
.ptr-subject-group__browse {
  flex: 0 0 auto;
  color: var(--ptr-purple);
  font-size: 14px;
  font-weight: 900;
  text-decoration: none;
  text-transform: uppercase;
}

.ptr-subject-rollup__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.ptr-subject-group {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--ptr-line);
  border-top: 3px solid var(--ptr-accent);
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 10px 26px rgba(24, 92, 107, .07);
}

.ptr-subject-group__heading {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  margin-bottom: 14px;
}

.ptr-subject-group__icon {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 50%;
  background: var(--ptr-accent-soft);
  color: var(--ptr-teal);
  box-shadow: inset 0 0 0 2px var(--ptr-accent);
}

.ptr-subject-group__icon svg { width: 27px; height: 27px; }

.ptr-subject-group h3 { margin: 0; font-size: 20px; font-weight: 900; line-height: 1.18; }
.ptr-subject-group h3 a { color: var(--ptr-ink); text-decoration: none; }
.ptr-subject-group h3 a:hover,
.ptr-subject-group h3 a:focus-visible { color: var(--ptr-teal); text-decoration: underline; text-underline-offset: 3px; }

.ptr-subject-group__topics { margin: 0; padding: 0; list-style: none; }
.ptr-subject-group__topics li { margin: 0; border-top: 1px solid #e5eef0; }

.ptr-subject-group__topics a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  padding: 10px 2px;
  color: #415761;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
  text-decoration: none;
}

.ptr-subject-group__topics a::after { content: "›"; color: var(--ptr-purple); font-size: 18px; line-height: 1; }
.ptr-subject-group__topics a:has(small)::after { content: none; }
.ptr-subject-group__topics a:hover,
.ptr-subject-group__topics a:focus-visible { color: var(--ptr-teal); }
.ptr-subject-group__topics small { color: #697b82; font-size: 12px; }
.ptr-subject-group__browse { display: inline-block; margin-top: 6px; }

@media (max-width: 1080px) {
  .ptr-subject-rollup__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1024px) {
  .ptr-subject-search,
  .ptr-subject-directory__jump-list { display: none; }
  .ptr-subject-directory__rollups { gap: 14px; }
  .ptr-subject-rollup {
    overflow: hidden;
    scroll-margin-top: 84px;
    border: 1px solid var(--ptr-line);
    border-radius: 9px;
    background: #fff;
    box-shadow: 0 7px 18px rgba(24, 92, 107, .07);
  }
  .ptr-subject-rollup__header {
    display: block;
    margin: 0;
    padding: 0;
    border: 0;
  }
  .ptr-subject-rollup__header h2 { font-size: 20px; }
  .ptr-subject-rollup__header > a { display: none; }
  .ptr-subject-rollup__toggle {
    min-height: 62px;
    padding: 15px 18px;
    border-left: 5px solid var(--ptr-accent);
    cursor: pointer;
  }
  .ptr-subject-rollup__toggle-icon {
    display: block;
    position: relative;
    width: 22px;
    height: 22px;
    flex: 0 0 22px;
    color: var(--ptr-accent);
  }
  .ptr-subject-rollup__toggle-icon::before,
  .ptr-subject-rollup__toggle-icon::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 14px;
    height: 3px;
    border-radius: 3px;
    background: currentColor;
    transform: translate(-50%, -50%);
  }
  .ptr-subject-rollup__toggle-icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
    transition: transform 160ms ease;
  }
  .ptr-subject-rollup.is-open .ptr-subject-rollup__toggle-icon::after {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  .ptr-subject-rollup.is-open .ptr-subject-rollup__header {
    border-bottom: 1px solid var(--ptr-line);
    background: #f6fafb;
  }
  .ptr-subject-rollup__panel { display: none; padding: 16px; }
  .ptr-subject-rollup.is-open .ptr-subject-rollup__panel { display: block; }
  .ptr-subject-rollup__mobile-view-all {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin: 0 0 14px;
    color: var(--ptr-purple);
    font-size: 13px;
    font-weight: 900;
    text-decoration: none;
    text-transform: uppercase;
  }
  .ptr-subject-rollup__grid { grid-template-columns: 1fr; }
  .ptr-subject-group { padding: 18px; }
  .ptr-subject-group__heading { grid-template-columns: 42px minmax(0, 1fr); }
  .ptr-subject-group__icon { width: 42px; height: 42px; }
  .ptr-subject-group__icon svg { width: 24px; height: 24px; }
}

@media (prefers-reduced-motion: no-preference) {
  .ptr-subject-directory { scroll-behavior: smooth; }
}