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}
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}
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}
/* Pilot only: the theory-practice directory has one parent link, no browser tabs. */
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}
.tp-top-shell .tp-directory-back:hover { color:var(--color-indigo); }
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.tp-top-shell section.tp-directory-intro--focused .tp-directory-description .tp-directory-motto { min-height:24px; margin-top:8px; }
.tp-directory-motto > span { display:block; animation:tp-motto-appear .25s ease both; }
.tp-directory-motto .tp-motto-clause { display:inline-block; white-space:nowrap; }
@keyframes tp-motto-appear { from { opacity:0; } to { opacity:1; } }
.tp-theory-subpage-bar:has(+ .tp-directory-marker) { display:none; }
main:has(.tp-directory-intro--focused)::after { content:''; display:block; height:var(--directory-scroll-tail,0px); }
.tp-top-shell section.tp-directory-intro .tp-directory-identity { flex:0 1 auto; min-width:0; }
.tp-top-shell section.tp-directory-intro .tp-directory-identity h1 {
  display:flex; align-items:center; gap:8px; margin:0; font-size:calc(30px - 10px * var(--directory-progress));
  line-height:1.3; font-weight:600; letter-spacing:-.025em; text-wrap:balance;
  color:var(--top-ink);
}
.tp-top-shell .tp-directory-description {
  max-width:calc(480px * (1 - var(--directory-progress)));
  max-height:calc(78px * (1 - var(--directory-progress))); overflow:hidden;
  opacity:calc(1 - var(--directory-progress));
}
.tp-top-shell .tp-directory-description p { display:block; margin:10px 0 0; color:var(--top-secondary); font-size:14px; line-height:1.65; }
.tp-top-shell .tp-directory-description small { display:block; margin:7px 0 0; color:var(--top-tertiary); font-size:12px; line-height:1.5; }
.tp-top-shell .tp-directory-reserve {
  height:calc(var(--directory-reduction) * var(--directory-progress)); margin:0; overflow-anchor:none;
}
.tp-top-shell .tp-directory-reserve + :is(.tp-theory-canvas,.tp-course-chapters,.tp-catalog-empty,.tp-theory-featured) { margin-top:28px; }
.tp-top-shell .tp-theory-clean:has(> .tp-directory-intro--focused) .tp-theory-practice-group + .tp-theory-practice-group { margin-top:32px; }
@media(max-width:639px) {
  .tp-top-shell { --directory-banner-height:64px; --directory-tabs-height:48px; }
  .tp-directory-intro,.tp-directory-reserve { --directory-expanded-height:136px; --directory-reduction:70px; }
  .tp-top-shell section.tp-directory-intro .tp-directory-intro-inner { grid-template-columns:32px minmax(0,1fr) 32px; padding-block:10px; }
  .tp-top-shell section.tp-directory-intro--focused .tp-directory-intro-inner { grid-template-columns:calc(32px + 8px * var(--directory-progress)) minmax(0,1fr) 32px; }
  .tp-top-shell section.tp-directory-intro .tp-directory-heading { gap:calc(14px - 4px * var(--directory-progress)); }
  .tp-top-shell .tp-directory-back { justify-content:flex-start; min-width:32px; }
  .tp-top-shell .tp-directory-back span { display:none; }
  .tp-top-shell section.tp-directory-intro .tp-theory-area-art {
    width:calc(90px - 26px * var(--directory-progress)); height:calc(80px - 30px * var(--directory-progress)); padding:6px;
  }
  .tp-top-shell section.tp-directory-intro--focused .tp-theory-area-art { padding:calc(4px * var(--directory-progress)); }
  .tp-top-shell section.tp-directory-intro--focused .tp-directory-description .tp-directory-motto { height:3.4em; min-height:0; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
  .tp-top-shell section.tp-directory-intro .tp-directory-identity h1 { font-size:calc(23px - 5px * var(--directory-progress)); }
  .tp-top-shell .tp-directory-description p { display:block; font-size:12px; margin-top:7px; line-height:1.6; }
  .tp-top-shell .tp-directory-description { max-width:calc(176px * (1 - var(--directory-progress))); }
  .tp-top-shell section.tp-directory-intro--focused .tp-directory-description { width:176px; max-width:100%; }
  .tp-top-shell .tp-directory-description small { display:none; }
  .tp-top-shell .tp-directory-reserve + :is(.tp-theory-canvas,.tp-course-chapters,.tp-catalog-empty,.tp-theory-featured) { margin-top:22px; }
}
@media(prefers-reduced-motion:reduce) { .tp-directory-motto > span { animation:none; } }
@media print {
  .tp-top-shell .tp-directory-marker,.tp-top-shell .tp-directory-reserve { display:none; }
  .tp-top-shell .tp-theory-area-intro.tp-directory-intro { position:static; height:auto; }
}

.tp-top-shell .tp-practice-header-pilot-page .tp-oral-reader-header .tp-oral-paper-source { flex:0 1 auto; min-width:0; }
.tp-top-shell .tp-practice-header-pilot-page .tp-oral-reader-header .tp-oral-paper-source { flex-wrap:nowrap; }
@media (max-width:760px){.tp-top-shell .tp-practice-header-pilot-page .tp-oral-reader-header .tp-oral-header-row { gap:8px; }
.tp-top-shell .tp-practice-header-pilot-page .tp-oral-reader-header .tp-oral-paper-source { flex:1 1 auto; }}
.tp-top-shell .tp-practice-header-pilot-page .tp-oral-reader-header .tp-oral-header-row { display:grid; grid-template-columns:auto minmax(0,1fr) auto; align-items:center; }
.tp-top-shell .tp-practice-header-pilot-page .tp-oral-reader-header .tp-oral-paper-source { width:max-content; max-width:min(30vw,360px); }
@media (max-width:760px){.tp-top-shell .tp-practice-header-pilot-page .tp-oral-reader-header .tp-oral-header-row { grid-template-columns:minmax(0,1fr) auto; }
.tp-top-shell .tp-practice-header-pilot-page .tp-oral-reader-header .tp-oral-paper-source { width:auto; max-width:none; }}
.tp-course-catalog-page:not(.is-reading):not(.is-course-directory)>.tp-course-subpage-bar{display:none}