/* Library-specific extension of the owner's S001 paper-and-sage workspace. */
.auth.is-library {
  --lib-ink: #151719;
  --lib-muted: #5e625f;
  --lib-paper: #fff;
  --lib-sidebar: #f3f1ed;
  --lib-soft: #edf0e7;
  --lib-track: #eeedeb;
  --lib-line: #e1e1de;
  --lib-control-line: #b7bab8;
  --lib-green: #2e4633;
  --lib-board-light: #eee9d9;
  --lib-board-dark: #83916f;
  --lib-ease: cubic-bezier(.22, 1, .36, 1);
  --lib-spring: cubic-bezier(.34, 1.5, .5, 1);
  color-scheme: light;
  background: var(--lib-paper);
  color: var(--lib-ink);
  font: 500 16px/1.5 var(--sans);
  overflow-x: clip;
  scrollbar-color: #b7bab8 var(--lib-sidebar);
}
.is-library ::selection { background: #dbe4d3; color: var(--lib-ink); }
.is-library :is(button, input, select) { font: inherit; color: inherit; letter-spacing: 0; }
.is-library button { cursor: pointer; }
.is-library :is(a, button, input, select):focus-visible { outline: 3px solid var(--lib-green); outline-offset: 4px; }
.is-library a { color: inherit; text-underline-offset: 4px; }
.is-library :is(h1, h2, h3, h4, p) { margin: 0; }
.is-library :is(h1, h2, h3, h4) { color: var(--lib-ink); font-family: var(--display); letter-spacing: -.025em; text-wrap: balance; }
.is-library .lib-icon { flex: none; vertical-align: middle; }
.lib-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.lib-layout { display: grid; grid-template-columns: 248px minmax(0, 1fr); min-height: 100dvh; }
.lib-pathway { margin: 24px 0 18px; padding-inline: 12px; }
.lib-pathway label { display: block; margin-bottom: 8px; font-size: 12px; color: var(--lib-muted); }
.is-library .lib-pathway p { margin-top: 8px; font-size: 11px; line-height: 1.5; color: var(--lib-muted); }
.is-library .lib-pathway select { font-size: 13px; }
@supports (appearance: base-select) {
  .auth.is-library #library-track,
  .auth.is-library #library-track::picker(select) { appearance: base-select; }
  .auth.is-library #library-track { display: flex; align-items: center; justify-content: space-between; padding: 11px 13px; background-image: none; }
  .auth.is-library #library-track::picker-icon { color: var(--lib-green); }
  .auth.is-library #library-track::picker(select) { margin-top: 8px; padding: 6px; border: 1px solid var(--lib-control-line); border-radius: 14px; background: var(--lib-paper); color: var(--lib-ink); box-shadow: 0 8px 24px rgb(21 23 25 / 12%); font: 500 13px/1.5 var(--sans); }
  .auth.is-library #library-track option { display: flex; align-items: center; min-height: 44px; padding: 10px 12px; border-radius: 9px; gap: 10px; cursor: pointer; }
  .auth.is-library #library-track option:hover { background: var(--lib-soft); }
  .auth.is-library #library-track option:checked { background: var(--lib-green); color: var(--lib-paper); }
  .auth.is-library #library-track option:focus-visible { outline: 2px solid var(--lib-green); outline-offset: -2px; }
}
.lib-sidebar { position: sticky; top: 0; height: 100dvh; display: flex; flex-direction: column; padding: 26px 16px 18px; background: var(--lib-sidebar); overflow-y: auto; }
.is-library .library-top { padding: 0 12px; margin: 0; display: block; border: 0; }
.is-library .library-top .auth-brand { color: var(--lib-ink); }
.lib-side-content { padding-top: 34px; min-height: 0; overflow-y: auto; flex: 1; }
.lib-side-title { font: 500 24px/1.2 var(--display); letter-spacing: -.025em; padding: 0 12px; }
.lib-browse { display: grid; gap: 6px; margin-top: 28px; }
.is-library .lib-nav { display: flex; align-items: center; width: 100%; gap: 12px; padding: 11px 12px; min-height: 48px; background: transparent; border: 0; border-radius: 12px; text-align: left; font-size: 15px; color: var(--lib-muted); transition: transform 260ms var(--lib-spring); }
.lib-nav > span:nth-child(2) { flex: 1; }
.is-library .lib-nav:hover { background: #e9e8e1; color: var(--lib-ink); transform: translateX(2px); }
.is-library .lib-nav:active { transform: scale(.97); }
.is-library .lib-nav[aria-pressed='true'] { background: var(--lib-green); color: #fff; }
.lib-nav-count { font-size: 12px; font-variant-numeric: tabular-nums; border-radius: 20px; min-width: 27px; padding: 2px 6px; text-align: center; background: #e5e5de; color: #4e534c; }
.lib-nav[aria-pressed='true'] .lib-nav-count { background: #ffffff1c; color: #fff; }
.lib-stage-block { margin-top: 28px; }
.is-library .lib-stage-block .lib-stage-heading { margin: 0 12px 10px; font: 500 12px/1.5 var(--sans); color: var(--lib-muted); letter-spacing: 0; text-transform: none; }
.lib-stages { display: grid; gap: 3px; }
.lib-piece { width: 25px; height: 25px; display: grid; place-items: center; }
.lib-piece img { display: block; }
.lib-stage[aria-pressed='true'] img { filter: invert(1); }
.lib-curriculum { display: flex; gap: 10px; align-items: center; margin: 23px 12px 0; padding-block: 12px; min-height: 44px; font-size: 13px; text-decoration: none; }
.lib-curriculum .lib-icon:last-child { width: 16px; margin-left: auto; }
.lib-curriculum:hover, .lib-account-actions a:hover, .lib-map-link:hover, .lib-footer a:hover { text-decoration: underline; }
.lib-side-bottom { margin-top: auto; padding-top: 18px; flex: none; }
.lib-upgrade { padding: 16px 12px 20px; border-top: 1px solid var(--lib-line); }
.lib-upgrade strong { font: 700 15px/1.35 var(--display); display: block; }
.lib-upgrade p { margin-top: 8px; font-size: 13px; color: var(--lib-muted); }
.lib-upgrade a { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; margin-top: 5px; font-size: 13px; color: var(--lib-green); text-decoration: none; }
.lib-upgrade a:hover { text-decoration: underline; }
.lib-upgrade .lib-icon { width: 16px; }
.lib-account { display: flex; gap: 10px; align-items: center; border-top: 1px solid var(--lib-line); padding: 18px 10px 10px; }
.lib-avatar { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; flex: none; background: #e0e4d9; color: var(--lib-green); font: 700 15px var(--display); }
.lib-account > div { min-width: 0; }
.lib-account strong { display: block; font: 500 13px var(--sans); }
.lib-account #library-email { display: block; color: var(--lib-muted); font-size: 12px; overflow-wrap: anywhere; margin-top: 3px; }
.lib-account-actions { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 0 10px; }
.lib-account-actions :is(a, button) { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; border: 0; padding: 0; font-size: 12px; background: transparent; color: var(--lib-muted); text-decoration: none; }
.lib-account-actions .lib-icon { width: 15px; height: 15px; }
.lib-account-actions button:hover { color: var(--lib-ink); text-decoration: underline; }
#library-account-status { font-size: 13px; margin: 8px 10px 0; color: #8b302b; }
.lib-workarea { min-width: 0; }
.lib-topbar { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 70px; padding: 12px 40px; border-bottom: 1px solid #f1f1ee; font-size: 13px; color: var(--lib-muted); }
.lib-topbar > span > span { padding-inline: 12px; color: #757972; }
.lib-topbar strong { color: var(--lib-ink); font-weight: 500; }
.lib-topbar a { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; color: var(--lib-green); text-decoration: none; }
.lib-topbar a:hover { text-decoration: underline; }
.lib-topbar .lib-icon { width: 17px; }
.auth.is-library .library-main { max-width: 1224px; margin: 0 auto; padding: 40px 40px 24px; }
.lib-page-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 28px; }
.is-library .lib-page-heading h1 { font: 700 36px/1.12 var(--display); letter-spacing: -.035em; }
.lib-page-heading p { margin-top: 9px; color: var(--lib-muted); font-size: 15px; }
.lib-map-link { display: inline-flex; gap: 10px; align-items: center; min-height: 44px; font-size: 13px; text-decoration: none; }
.lib-map-link .lib-icon { width: 17px; }
.lib-find-link { display: none; }
.lib-feature { display: grid; grid-template-columns: minmax(0, 1fr) 236px; align-items: center; gap: 40px; padding: 28px 42px; background: var(--lib-soft); border-radius: 24px; }
.lib-feature-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; color: #46533f; font-size: 12px; margin-top: 14px; }
.lib-free-badge { display: inline-flex; align-items: center; min-height: 26px; border-radius: 20px; padding: 4px 10px; background: #dae2d0; color: var(--lib-green); font-size: 11px; line-height: 1.3; white-space: nowrap; }
.is-library .lib-feature h2 { font: 700 30px/1.15 var(--display); letter-spacing: -.025em; }
.lib-feature-copy > p { max-width: 44ch; margin-top: 12px; color: #46533f; font-size: 15px; line-height: 1.6; }
.lib-feature-detail { display: flex; align-items: center; gap: 8px; margin-top: 15px; font-size: 12px; color: #46533f; }
.lib-feature-detail .lib-icon { width: 15px; height: 15px; }
.lib-feature-detail > span:nth-child(3) { padding-inline: 5px; }
.lib-feature-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-top: 22px; }
.is-library .lib-primary { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 18px; padding: 12px 20px; background: var(--lib-green); color: #fff; border: 0; border-radius: 28px; text-decoration: none; font-size: 13px; transition: transform 280ms var(--lib-spring), background-color 180ms, box-shadow 240ms; }
.lib-primary .lib-icon { width: 17px; transition: transform 280ms var(--lib-spring); }
.lib-primary:hover { background: #233a28; transform: translateY(-2px); box-shadow: 0 6px 14px #243b2820; }
.lib-primary:hover .lib-icon { transform: translateX(3px); }
.lib-primary:active { transform: scale(.97); box-shadow: none; }
.lib-feature-actions button { background: transparent; border: 0; min-height: 44px; padding: 8px 0; color: var(--lib-green); font-size: 13px; text-underline-offset: 4px; }
.lib-feature-actions button:hover { text-decoration: underline; }
.lib-feature-board { margin: 0; display: grid; grid-template-columns: 18px minmax(0, 1fr); grid-template-rows: auto 18px auto; column-gap: 8px; row-gap: 5px; width: 236px; }
.lib-board { display: grid; grid-template-columns: repeat(8, 1fr); width: 210px; aspect-ratio: 1; border-radius: 10px; overflow: hidden; grid-column: 2; }
.lib-square { position: relative; display: grid; place-items: center; min-width: 0; aspect-ratio: 1; }
.lib-square.light { background: var(--lib-board-light); }
.lib-square.dark { background: var(--lib-board-dark); }
.lib-square.reachable::after { content: ''; width: 5px; height: 5px; background: #344a36; border-radius: 50%; opacity: .62; }
.lib-square.rook { background: #c6d3b7; }
.lib-square img { width: 95%; height: 95%; }
.lib-board-ranks { display: grid; grid-template-rows: repeat(8, 1fr); font-size: 10px; color: #46533f; text-align: center; align-items: center; }
.lib-board-files { grid-column: 2; display: grid; grid-template-columns: repeat(8, 1fr); text-align: center; font-size: 10px; color: #46533f; }
.lib-feature-board figcaption { grid-column: 2; text-align: center; font-size: 11px; color: #46533f; margin-top: 2px; }
.auth.is-library .library-catalog { margin-top: 32px; padding: 0; border: 0; }
.lib-catalog-heading { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 18px; }
.lib-catalog-heading > div { display: flex; align-items: baseline; flex-wrap: wrap; gap: 12px; }
.is-library .lib-catalog-heading h2 { font: 700 22px/1.2 var(--display); }
#library-count { font-size: 12px; color: var(--lib-muted); }
.lib-access-note { font-size: 11px; color: var(--lib-muted); text-align: right; max-width: 40ch; }
.lib-filters { display: grid; grid-template-columns: minmax(180px, 1fr) 128px 156px 150px; gap: 10px; margin: 0; }
.lib-search { display: flex; align-items: center; gap: 10px; padding-left: 14px; background: var(--lib-paper); border: 1px solid var(--lib-control-line); border-radius: 12px; min-width: 0; transition: border-color 180ms, background-color 180ms; }
.lib-search > .lib-icon { width: 18px; color: var(--lib-muted); }
.lib-search:focus-within { border-color: var(--lib-green); outline: 2px solid var(--lib-green); outline-offset: 2px; }
.auth.is-library .lib-search input { background: transparent; color: var(--lib-ink); border: 0; border-radius: 0; height: 46px; min-height: 46px; width: 100%; min-width: 0; padding: 10px 8px 10px 0; font-size: 13px; caret-color: var(--lib-green); box-shadow: none; }
.lib-search input::placeholder { color: #656a63; opacity: 1; }
.lib-search input:focus-visible { outline: 0; }
.lib-search input::-webkit-search-cancel-button { display: none; }
.is-library .lib-search button { display: grid; place-items: center; width: 44px; height: 44px; padding: 0; background: transparent; border: 0; border-radius: 10px; flex: none; color: var(--lib-muted); }
.lib-search button:hover { background: var(--lib-soft); }
.lib-search button .lib-icon { width: 16px; }
.auth.is-library .lib-select select { width: 100%; min-height: 48px; padding: 10px 26px 10px 13px; background-color: var(--lib-paper); color: var(--lib-ink); border: 1px solid var(--lib-control-line); border-radius: 12px; font-size: 12px; box-shadow: none; cursor: pointer; }
.lib-select select:hover { background-color: var(--lib-sidebar); }
.lib-active-filters { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 9px 0 0; color: var(--lib-muted); font-size: 12px; }
.lib-active-filters button { display: inline-flex; align-items: center; gap: 8px; padding: 8px 0; min-height: 44px; background: transparent; border: 0; color: var(--lib-green); font-size: 12px; flex: none; }
.lib-active-filters button .lib-icon { width: 15px; height: 15px; }
.lib-active-filters button:hover { text-decoration: underline; }
.auth.is-library .library-list { display: block; margin: 22px 0 0; padding: 0; }
.lib-unit + .lib-unit { margin-top: 22px; }
.is-library .lib-unit-title { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; margin: 0 0 10px; font: 500 13px/1.4 var(--sans); letter-spacing: 0; color: var(--lib-ink); }
.lib-unit-title small { font-size: 11px; color: var(--lib-muted); font-weight: 500; }
.lib-unit-list { list-style: none; margin: 0; padding: 0; }
.is-library .lib-session { margin: 0; padding: 0; background: transparent; border: 0; border-top: 1px solid var(--lib-line); border-radius: 0; }
.is-library .lib-session:last-child { border-bottom: 1px solid var(--lib-line); }
.is-library .lib-session-link { display: grid; grid-template-columns: 44px minmax(0, 1fr) 130px 40px; align-items: center; gap: 18px; padding: 17px 8px; min-height: 92px; color: var(--lib-ink); text-decoration: none; border-radius: 12px; transition: background-color 180ms, transform 280ms var(--lib-spring); }
.lib-session-link:hover { background: #f7f8f4; transform: translateX(3px); }
.lib-session-link:active { transform: scale(.994); }
.lib-session-number { width: 40px; height: 40px; display: grid; place-items: center; background: var(--lib-sidebar); color: var(--lib-muted); border-radius: 12px; font-size: 12px; font-variant-numeric: tabular-nums; transition: background-color 180ms, border-radius 280ms var(--lib-spring); }
.lib-session.is-free .lib-session-number { background: var(--lib-soft); color: var(--lib-green); }
.lib-session-link:hover .lib-session-number { border-radius: 50%; background: #e0e7d7; color: var(--lib-green); }
.lib-session-copy { min-width: 0; }
.is-library .lib-session h4 { font: 500 17px/1.3 var(--display); letter-spacing: -.015em; }
.lib-session-copy p { margin-top: 5px; font-size: 14px; line-height: 1.6; color: var(--lib-muted); max-width: 75ch; }
.lib-session-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; margin-top: 8px; color: var(--lib-muted); font-size: 12px; }
.lib-session-meta .lib-free-badge { min-height: 22px; padding: 3px 8px; font-size: 10px; }
.lib-session-info { font-size: 12px; color: var(--lib-muted); }
.lib-session-info span { display: block; }
.lib-session-info span + span { margin-top: 5px; }
.lib-session-action { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--lib-sidebar); color: var(--lib-muted); transition: transform 280ms var(--lib-spring); }
.lib-session-action .lib-icon { width: 17px; height: 17px; }
.is-free .lib-session-action { background: var(--lib-green); color: #fff; }
.lib-session-link:hover .lib-session-action { transform: translateX(2px) scale(1.07); color: #fff; background: var(--lib-green); }
.lib-pagination { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding-block: 20px; font-size: 12px; color: var(--lib-muted); }
.lib-pagination > div { display: flex; align-items: center; gap: 14px; }
.is-library .lib-pagination button { width: 44px; height: 44px; display: grid; place-items: center; padding: 0; background: var(--lib-sidebar); border: 0; border-radius: 50%; transition: transform 260ms var(--lib-spring), background-color 180ms; }
.lib-pagination button:hover:enabled { background: #e0e7d7; transform: scale(1.07); }
.lib-pagination button:active:enabled { transform: scale(.94); }
.is-library button:disabled { opacity: .5; cursor: default; }
.lib-pagination span { font-variant-numeric: tabular-nums; }
.is-library #library-status { font-size: 13px; color: var(--lib-muted); padding: 16px 0 0; margin: 0; }
.lib-skeleton { height: 88px; margin-bottom: 12px; background: var(--lib-sidebar); border-radius: 12px; }
.lib-empty { padding: 54px 20px; text-align: center; }
.lib-empty > .lib-icon { width: 30px; height: 30px; color: var(--lib-muted); margin-bottom: 14px; }
.is-library .lib-empty h3 { font: 500 22px var(--display); }
.lib-empty p { font-size: 14px; color: var(--lib-muted); margin: 10px auto 20px; max-width: 50ch; }
.is-library .lib-secondary { min-height: 44px; padding: 11px 18px; border: 1px solid var(--lib-control-line); border-radius: 22px; font-size: 13px; color: var(--lib-green); background: var(--lib-paper); }
.lib-secondary:hover { background: var(--lib-soft); }
.lib-footer { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--lib-line); font-size: 12px; color: var(--lib-muted); }
.lib-footer a { display: inline-flex; gap: 8px; align-items: center; min-height: 44px; text-decoration: none; }
.lib-footer .lib-icon { width: 15px; }
@keyframes lib-settle { 0% { transform: translateY(5px); } 70% { transform: translateY(-1px); } 100% { transform: translateY(0); } }
@media (prefers-reduced-motion: no-preference) { .library-list.is-settling { animation: lib-settle 320ms var(--lib-ease); } }
@media (max-height: 860px) and (min-width: 901px) {
  .lib-side-content { padding-top: 20px; }
  .lib-stage-block { margin-top: 16px; }
  .lib-browse { margin-top: 20px; }
  .lib-upgrade { padding-block: 14px; }
  .lib-side-bottom { padding-top: 18px; }
  .lib-side-title { font-size: 21px; }
}
@media (min-width: 1600px) { .auth.is-library .library-main { padding-top: 44px; } }
@media (max-width: 1200px) {
  .lib-topbar { padding-inline: 28px; }
  .auth.is-library .library-main { padding: 30px 28px 20px; }
  .lib-feature { grid-template-columns: minmax(0, 1fr) 204px; gap: 24px; padding: 26px 28px; }
  .lib-feature-board { width: 204px; }
  .lib-board { width: 178px; }
  .lib-feature-actions { gap: 10px; }
  .lib-filters { grid-template-columns: minmax(160px, 1fr) 118px 135px; }
  .lib-sort { grid-column: 3; }
  .lib-access-note { max-width: 29ch; }
}
@media (max-width: 900px) {
  .lib-layout { display: block; }
  .lib-sidebar { position: relative; height: auto; padding: 18px 24px 14px; overflow: visible; }
  .is-library .library-top { padding: 0; }
  .lib-side-content { padding-top: 0; display: flex; flex-wrap: wrap; align-items: center; column-gap: 20px; overflow: visible; }
  .lib-side-title, .lib-curriculum, .lib-upgrade, .lib-avatar, .lib-account strong { display: none; }
  .lib-browse { display: flex; gap: 8px; margin-top: 20px; }
  .is-library .lib-browse .lib-nav { width: auto; min-width: 140px; font-size: 13px; }
  .lib-stage-block { width: 100%; margin-top: 14px; }
  .is-library .lib-stage-block .lib-stage-heading { margin-left: 0; margin-bottom: 8px; }
  .lib-stages { display: flex; gap: 6px; overflow-x: auto; padding: 4px; margin: -4px; scrollbar-width: thin; }
  .is-library .lib-stage { min-width: 128px; width: auto; flex: none; padding: 9px 10px; gap: 8px; }
  .lib-side-bottom { position: absolute; top: 14px; right: 24px; margin: 0; padding: 0; }
  .lib-account { display: none; }
  .lib-account-actions { padding: 0; gap: 18px; }
  .lib-topbar { min-height: 58px; padding: 8px 24px; }
  .auth.is-library .library-main { padding: 28px 24px 20px; }
  .lib-feature { grid-template-columns: minmax(0, 1fr) 216px; }
  .lib-feature-board { width: 216px; }
  .lib-board { width: 190px; }
  .lib-filters { grid-template-columns: minmax(150px, 1fr) 120px 148px 145px; }
  .lib-sort { grid-column: auto; }
  #library-account-status { background: var(--lib-paper); max-width: 230px; padding: 8px; }
}
@media (max-width: 700px) {
  .lib-map-link { display: none; }
  .lib-find-link { display: grid; place-items: center; width: 44px; height: 44px; flex: none; border-radius: 50%; background: var(--lib-sidebar); }
  .lib-feature { grid-template-columns: minmax(0, 1fr) 172px; padding: 24px; gap: 20px; }
  .lib-feature-board { width: 172px; }
  .lib-board { width: 146px; }
  .is-library .lib-feature h2 { font-size: 25px; }
  .lib-feature-copy > p { font-size: 14px; }
  .lib-feature-actions { margin-top: 18px; }
  .lib-filters { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lib-search { grid-column: 1 / -1; }
  .lib-access-note { display: none; }
  .is-library .lib-session-link { grid-template-columns: 38px minmax(0, 1fr) 34px; gap: 12px; padding: 17px 4px; }
  .lib-session-info { display: none; }
  .lib-session-number { width: 34px; height: 34px; border-radius: 10px; font-size: 11px; }
  .lib-session-action { width: 32px; height: 32px; }
  .lib-session-copy p { font-size: 14px; }
  .lib-session-meta .lib-mobile-time { display: inline; }
}
@media (min-width: 701px) { .lib-session-meta .lib-mobile-time { display: none; } }
@media (max-width: 480px) {
  .lib-sidebar { padding: 16px 18px 14px; }
  .lib-side-bottom { right: 18px; top: 13px; }
  .lib-account-actions a { display: none; }
  .lib-browse { width: 100%; margin-top: 12px; }
  .is-library .lib-stage-block .lib-stage-heading { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .lib-stage-block { margin-top: 8px; }
  .is-library .lib-browse .lib-nav { min-width: 0; flex: 1; padding-inline: 10px; }
  .is-library .lib-stage { min-width: 119px; font-size: 13px; }
  .lib-topbar { padding-inline: 18px; }
  .lib-topbar > a { font-size: 0; gap: 0; }
  .lib-topbar > a .lib-icon { width: 20px; }
  .auth.is-library .library-main { padding: 26px 18px 18px; }
  .is-library .lib-page-heading h1 { font-size: 30px; }
  .lib-page-heading p { font-size: 13px; }
  .lib-page-heading { margin-bottom: 22px; }
  .lib-feature { display: block; padding: 23px; border-radius: 20px; }
  .lib-feature-board { display: none; }
  .lib-feature-meta { gap: 10px; font-size: 11px; }
  .is-library .lib-feature h2 { font-size: 26px; }
  .lib-feature-copy > p { font-size: 14px; max-width: 35ch; }
  .lib-feature-detail { margin-top: 12px; }
  .lib-feature-actions { gap: 8px 16px; }
  .lib-feature-actions button { font-size: 12px; }
  .lib-catalog-heading { margin-bottom: 16px; }
  .is-library .lib-catalog-heading h2 { font-size: 20px; }
  .auth.is-library .lib-select select { font-size: 11px; padding-left: 10px; padding-right: 17px; }
  .lib-filters { gap: 8px; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); }
  .lib-sort { grid-column: 1 / -1; }
  .is-library .lib-session-link { grid-template-columns: 32px minmax(0, 1fr) 30px; gap: 10px; }
  .lib-session-number { width: 30px; height: 30px; }
  .is-library .lib-session h4 { font-size: 16px; }
  .lib-session-action { width: 30px; height: 30px; }
  .lib-pagination { gap: 10px; font-size: 11px; }
  .lib-pagination > div { gap: 9px; }
  .lib-footer { margin-top: 16px; gap: 12px; font-size: 11px; }
}
.lib-filters[data-types='false'] { grid-template-columns: minmax(180px, 1fr) 128px 150px; }
.lib-filters[data-types='false'] .lib-sort { grid-column: auto; }
.lib-feature-detail[hidden], .lib-select[hidden] { display: none; }
@media (max-width: 900px) {
  .lib-pathway { margin: 20px 0 0; padding: 0; }
}
@media (max-width: 700px) {
  .lib-filters[data-types='false'] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 480px) {
  .lib-filters[data-types='false'] .lib-sort { grid-column: auto; }
  .lib-pathway { width: 100%; }
  .auth.is-library .lib-pathway select { font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  .is-library *, .is-library *::before, .is-library *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .is-library :is(.lib-nav, .lib-primary, .lib-primary .lib-icon, .lib-session-link, .lib-session-action, .lib-pagination button):is(:hover, :active) { transform: none; }
}
@media (forced-colors: active) {
  .lib-nav[aria-pressed='true'], .lib-primary, .lib-session-action, .lib-free-badge { border: 1px solid ButtonText; }
  .lib-nav[aria-pressed='true'] { outline: 2px solid Highlight; }
}
.lib-collections{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 10px}.lib-collections button{font:inherit;padding:12px 20px;border:1px solid var(--dash-border,#a7b8aa);border-radius:8px;background:var(--dash-paper,#fff);color:var(--dash-ink,#22372b);cursor:pointer;min-height:44px}.lib-collections button[aria-pressed=true]{background:var(--dash-green,#286248);color:var(--dash-on-action,#fff)}.lib-homework-intro{margin:0 0 24px}.lib-homework-action{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:12px 20px 16px;border-top:1px solid var(--dash-border,#d6ded8)}.lib-homework-action button{min-height:44px}.homework-print-note{font-size:13px;line-height:1.5}.homework-download-status{font-size:13px;line-height:1.5;flex-basis:100%}.homework-download-status:empty{display:none}