/* PTE library follows DET discovery's type scale and spacing. Task players live
   outside .pte-discovery and retain their exam-specific layouts. */
/* The legacy hub stylesheet applies generic dark nav colors with !important. */
html[data-pte-theme] .pte-discovery .pte-mobile-tabs { background: var(--pte-surface) !important; }
html[data-pte-theme] .pte-discovery .pte-library-tasks { background: transparent !important; }
html[data-pte-theme] .pte-discovery .pte-library-tasks a { color: var(--pte-text-secondary) !important; }
html[data-pte-theme] .pte-discovery .pte-app-layout { grid-template-columns: 244px minmax(0, 1fr); }
html[data-pte-theme] .pte-discovery .pte-hub-main { padding: 3.7rem clamp(1.5rem, 3.4vw, 4rem) 4rem; }
.pte-discovery .pte-hub-main > * { max-width: 1160px; margin-inline: auto; }
html[data-pte-theme] .pte-discovery .pte-hub-sidebar { padding: 20px 14px; }
html[data-pte-theme] .pte-discovery .pte-sidebar-tab { padding: .45rem .6rem; gap: .65rem; min-height: 48px; border-radius: 4px; font-size: .8rem; font-weight: 500; }
.pte-discovery .pte-sidebar-tab > svg:first-child { box-sizing: content-box; flex-shrink: 0; width: 17px; height: 17px; padding: 6px; border-radius: 6px; background: var(--pte-surface-soft); stroke-width: 1.6; color: var(--pte-sage); }
.pte-discovery .pte-sidebar-tab.active > svg:first-child { background: var(--pte-primary-fill); color: var(--pte-on-primary); }
.pte-discovery .pte-sidebar-chevron { display: none; flex: 0 0 12px; width: 12px; height: 12px; margin-left: auto; }
.pte-discovery .pte-sidebar-tab.active .pte-sidebar-chevron { display: block; }
html[data-pte-theme] .pte-discovery .pte-sidebar-subsection { position: relative; border-radius: 0; font-size: .7rem; line-height: 1.65; letter-spacing: 0; padding: .45rem .6rem; color: var(--pte-text-muted); }
.pte-discovery .pte-sidebar-subsection-group { margin: 7px 0 12px 25px; padding-left: 12px; border-left-color: var(--pte-border); }
html[data-pte-theme] .pte-discovery .pte-sidebar-subsection:hover { background: var(--pte-surface-soft); color: var(--pte-text-secondary); }
html[data-pte-theme] .pte-discovery .pte-sidebar-subsection.active { background: color-mix(in srgb, var(--pte-sage-soft) 55%, var(--pte-surface)); color: var(--pte-sage-hover); font-weight: 500; }
.pte-discovery .pte-sidebar-subsection.active::before { content: ''; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--pte-sage); }
.pte-discovery .pte-subsection-qualifier { display: block; font-size: .625rem; font-weight: 400; line-height: 1.65; color: var(--pte-text-muted); }
/* Keep lime keyboard cues without overriding shared focus.css pointer suppression. */
html[data-pte-theme] .pte-discovery .pte-hub-sidebar :is(a, button):focus-visible { --lime: #c7ef4e; outline: 2px solid var(--lime); outline-offset: 2px; }
html[data-pte-theme] .pte-discovery .pte-sidebar-usage { margin-top: 1.5rem; box-shadow: none; background: var(--pte-surface-soft); }
.pte-discovery .pte-sidebar-usage-unlimited strong { font-size: .78rem; }
.pte-discovery .pte-sidebar-usage-unlimited span { font-size: .68rem; }
html[data-pte-theme] .pte-discovery.pte-home-active .pte-header,
.pte-discovery.pte-home-active .pte-toolbar { display: none; }
html[data-pte-theme] .pte-discovery.pte-mock-active .pte-header,
.pte-discovery.pte-mock-active .pte-toolbar,
.pte-discovery.pte-mock-active .pte-usage-banner { display: none; }
html[data-pte-theme] .pte-discovery [data-section="practice-test"]:focus-visible {
    --lime: #C7EF4E;
    outline: 2px solid var(--lime);
    outline-offset: 2px;
}
.pte-library-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, .67fr); align-items: center; gap: clamp(2rem, 4vw, 4rem); padding-bottom: 2.65rem; }
.pte-library-eyebrow { color: var(--pte-sage); font-size: .6rem; letter-spacing: .12em; line-height: 1.6; font-weight: 600; text-transform: uppercase; margin: 0 0 .45rem; }
.pte-library-intro > .pte-library-eyebrow { font-size: .64rem; letter-spacing: .15em; margin-bottom: 1.1rem; }
.pte-library-intro h1, .pte-library-intro h1 em { color: var(--pte-text); font-family: 'Instrument Serif', Georgia, serif; font-size: clamp(2.65rem, 4vw, 3.8rem); font-weight: 400; line-height: 1.03; letter-spacing: -.025em; margin: 0; }
.pte-library-intro h1 em { color: var(--pte-sage); }
.pte-library-intro > p:not(.pte-library-eyebrow) { color: var(--pte-text-secondary); font-size: .85rem; line-height: 1.8; max-width: 390px; margin: 1.1rem 0 0; }
.pte-library-explore { display: inline-flex; align-items: center; gap: .8rem; margin-top: 1.25rem; color: var(--pte-sage); font-size: .73rem; font-weight: 500; text-decoration: none; min-height: 40px; }
.pte-library-next { background: var(--pte-hero-bg); border: 1px solid var(--pte-sage-border); border-radius: 14px; padding: 1.65rem; }
.pte-library-next h2 { font-size: 1.08rem; font-weight: 500; letter-spacing: -.03em; line-height: 1.5; color: var(--pte-text); margin: .85rem 0 .6rem; }
.pte-library-next p { font-size: .75rem; line-height: 1.8; color: var(--pte-text-secondary); margin: 0 0 1.1rem; }
html[data-pte-theme] .pte-discovery .pte-library-next .pte-btn { width: 100%; justify-content: space-between; padding: .85rem 1rem; border-radius: 8px; font-size: .75rem; min-height: 44px; box-shadow: none; text-transform: none; }
.pte-library-next small { display: block; font-size: .6rem; line-height: 1.7; color: var(--pte-text-secondary); margin-top: .75rem; text-align: center; }
.pte-library-next svg, .pte-library-browse svg, .pte-library-progress svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.pte-library-progress { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)) 1.25fr; gap: 1rem; align-items: center; margin: 0 0 1rem; }
.pte-library-progress > div { padding: .4rem 0; }
.pte-library-progress span { display: block; font-size: .64rem; color: var(--pte-text-muted); text-transform: uppercase; font-weight: 500; }
.pte-library-progress strong { display: block; font-size: 1.4rem; color: var(--pte-text); line-height: 1.6; letter-spacing: -.04em; }
.pte-library-progress a { display: flex; justify-content: flex-end; align-items: center; gap: .5rem; color: var(--pte-sage); text-decoration: none; font-size: .7rem; min-height: 44px; }
.pte-library-skills { border-top: 1px solid var(--pte-border); padding-top: 1.8rem; scroll-margin-top: 85px; }
.pte-library-section-heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.2rem; }
.pte-library-section-heading h2 { font-size: 1.1rem; font-weight: 500; line-height: 1.5; margin: 0; letter-spacing: -.035em; }
.pte-library-section-heading > span { color: var(--pte-text-muted); font-size: .67rem; white-space: nowrap; }
.pte-library-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.pte-library-skill { border: 1px solid var(--pte-border); border-radius: 12px; padding: 1.3rem 1.45rem 0; background: var(--pte-surface); display: flex; flex-direction: column; min-width: 0; transition: border-color .2s ease; }
.pte-library-skill-heading, .pte-library-skill-title { display: flex; align-items: center; justify-content: space-between; gap: .7rem; }
.pte-library-skill-icon { color: var(--pte-sage); background: var(--pte-surface-soft); width: 39px; height: 39px; border-radius: 10px; display: grid; place-items: center; }
.pte-library-skill-icon svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.pte-library-skill-number { font: 400 1.4rem/1 'Instrument Serif', Georgia, serif; color: var(--pte-text-muted); }
.pte-library-skill-title { margin-top: .8rem; }
.pte-library-skill-title h3 { font-size: 1.05rem; font-weight: 500; color: var(--pte-text); letter-spacing: -.02em; margin: 0; }
.pte-library-skill-title > span { font-size: .6rem; color: var(--pte-text-muted); }
.pte-library-skill > p { font-size: .72rem; line-height: 1.75; color: var(--pte-text-muted); margin: .35rem 0 .85rem; }
.pte-library-tasks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 1rem; margin-bottom: 1rem; flex: 1; align-content: start; }
.pte-library-tasks a { text-decoration: none; color: var(--pte-text-secondary); display: flex; align-items: center; justify-content: space-between; gap: .4rem; font-size: .75rem; padding: .45rem 0; min-height: 38px; line-height: 1.6; }
.pte-library-tasks a > span { color: var(--pte-sage); }
.pte-library-browse { color: var(--pte-sage); font-size: .78rem; font-weight: 500; display: flex; align-items: center; justify-content: space-between; gap: 1rem; text-decoration: none; border-top: 1px solid var(--pte-border); padding: .85rem 0; min-height: 45px; }
.pte-library-extras { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-top: 1.5rem; }
.pte-library-extras article { border: 1px solid var(--pte-border); border-radius: 12px; padding: 1.45rem; }
.pte-library-extras h2 { font-size: 1rem; font-weight: 500; letter-spacing: -.02em; line-height: 1.5; margin: .55rem 0; color: var(--pte-text); }
.pte-library-extras p:not(.pte-library-eyebrow) { font-size: .72rem; color: var(--pte-text-muted); line-height: 1.8; margin: 0; }
.pte-library-extras .pte-library-browse { border: 0; padding-bottom: 0; margin-top: .8rem; justify-content: flex-start; }

/* Catalogue controls, progress disclosure, and activity cards. */
html[data-pte-theme] .pte-discovery .pte-header h1 { font-size: 2.8rem; scroll-margin-top: 90px; }
html[data-pte-theme] .pte-discovery .pte-header p { font-size: .8rem; margin-top: .75rem; }
.pte-discovery .pte-catalog { --lime: #C7EF4E; border: 1px solid var(--pte-border); border-radius: 12px; padding: 1.5rem; background: var(--pte-surface); }
.pte-discovery:is(.pte-home-active, .pte-mock-active) .pte-catalog { display: contents; }
.pte-discovery:is(.pte-home-active, .pte-mock-active) #pte-content { max-width: 1160px; margin-inline: auto; }
.pte-discovery .pte-toolbar { display: block; margin-top: 0; }
.pte-catalog-heading { margin-bottom: 1.2rem; }
.pte-catalog-heading h2 { margin: 0; color: var(--pte-text); font-size: 1.1rem; font-weight: 500; letter-spacing: -.02em; }
.pte-catalog-heading p { margin: 0; color: var(--pte-text-muted); font-size: .72rem; }
.pte-catalog-task-filters { display: flex; flex-wrap: wrap; gap: .45rem; margin-bottom: 1rem; }
html[data-pte-theme] .pte-discovery .pte-filter-btn { min-height: 40px; padding: .5rem .75rem; border: 1px solid var(--pte-border); border-radius: 7px; background: transparent; color: var(--pte-text); font-size: .75rem; font-weight: 500; letter-spacing: 0; }
html[data-pte-theme] .pte-discovery .pte-filter-btn.active { background: var(--pte-sage-soft); color: var(--pte-sage); border-color: var(--pte-sage); }
.pte-catalog-tools { display: flex; gap: .65rem; }
.pte-discovery .pte-search-wrap { display: flex; align-items: center; flex: 1; min-width: 0; gap: .6rem; border: 1px solid var(--pte-border); border-radius: 8px; background: var(--pte-bg); padding: 0 .8rem; }
.pte-search-wrap svg { width: 18px; height: 18px; flex-shrink: 0; fill: none; stroke: var(--pte-text-muted); stroke-width: 1.7; }
html[data-pte-theme] .pte-discovery .pte-search-input { width: 100%; height: auto; min-height: 44px; padding: .75rem 0; border: 0; border-radius: 0; background: transparent; color: var(--pte-text); font-size: .75rem; }
html[data-pte-theme] .pte-discovery .pte-search-input::placeholder { color: var(--pte-text-muted); }
html[data-pte-theme] .pte-discovery .pte-search-wrap:focus-within { outline: 2px solid var(--lime, #C7EF4E); outline-offset: 2px; }
html[data-pte-theme] .pte-discovery .pte-search-input:focus,
html[data-pte-theme] .pte-discovery .pte-search-input:focus-visible { outline: none; }
.pte-discovery .pte-status-control { position: relative; display: flex; flex-shrink: 0; color: var(--pte-text-secondary); }
.pte-status-control select { appearance: none; -webkit-appearance: none; width: 100%; min-width: 10rem; min-height: 44px; padding: .65rem 2.65rem .65rem .9rem; border: 1px solid var(--pte-border); border-radius: 8px; background: var(--pte-surface); color: inherit; font: 400 .75rem/1.5 var(--pte-font); cursor: pointer; }
.pte-status-control svg { position: absolute; top: 50%; right: .9rem; width: 16px; height: 16px; transform: translateY(-50%); fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; pointer-events: none; }
.pte-catalog-results-header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 48px; color: var(--pte-text-muted); font-size: .65rem; }
.pte-catalog-attempts { color: var(--pte-sage); font-size: .8rem; font-weight: 600; text-underline-offset: 3px; }
.pte-catalog-result-tools { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: .4rem 1rem; }
.pte-catalog-result-tools .pte-focus-clear { border: 0; border-radius: 0; padding: 0; min-height: 40px; background: transparent; color: var(--pte-sage); font-size: .67rem; font-weight: 400; text-decoration: underline; cursor: pointer; }
html[data-pte-theme] .pte-catalog :is(a, button, select):focus,
html[data-pte-theme] .pte-catalog :is(a, button, select):focus-visible { outline: 2px solid var(--lime, #C7EF4E); outline-offset: 2px; }
.pte-discovery .pte-practice-plan { margin-top: 1.2rem; margin-bottom: 1rem; }
.pte-library-plan { border: 1px solid var(--pte-border); border-radius: 10px; background: var(--pte-surface); }
.pte-library-plan summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; cursor: pointer; padding: .85rem 1.1rem; list-style: none; }
.pte-library-plan summary::-webkit-details-marker { display: none; }
.pte-library-plan summary::after { content: '+'; color: var(--pte-sage); font-size: 1.25rem; }
.pte-library-plan[open] summary::after { content: '−'; }
.pte-library-plan summary > span:first-child { flex: 1; min-width: 0; }
.pte-library-plan summary .pte-library-eyebrow { display: block; margin: 0 0 .15rem; }
.pte-library-plan summary strong { font-size: .8rem; font-weight: 500; }
.pte-library-plan summary > span:nth-child(2) { color: var(--pte-text-muted); font-size: .68rem; white-space: nowrap; }
.pte-library-plan-content { border-top: 1px solid var(--pte-border); padding: 1.1rem; }
.pte-library-plan-progress { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; color: var(--pte-text-muted); font-size: .7rem; margin-bottom: 1rem; }
.pte-library-plan-progress strong { font-weight: 500; color: var(--pte-text); }
.pte-discovery .pte-plan-next { border: 0; padding: 0; background: transparent; }
.pte-discovery .pte-plan-next-title { font-size: .9rem; font-weight: 500; }
.pte-discovery .pte-plan-next-label { font-size: .6rem; font-weight: 500; }
.pte-discovery .pte-plan-next-reason, .pte-discovery .pte-plan-next-meta { font-size: .72rem; }
.pte-discovery .pte-grid { grid-template-columns: 1fr; gap: .9rem; margin-top: 1rem; }
html[data-pte-theme] .pte-discovery .pte-card { grid-template-columns: minmax(0, 1fr) auto; align-items: center; border-radius: 10px; padding: 1.15rem 1.25rem; box-shadow: none; gap: 1.25rem; }
html[data-pte-theme] .pte-discovery .pte-card:hover { transform: none; box-shadow: none; border-color: var(--pte-sage); }
.pte-discovery .pte-card-main { display: flex; flex-direction: column; gap: .3rem; min-width: 0; }
.pte-discovery .pte-card-top-row { gap: .3rem .8rem; color: var(--pte-sage); font-size: .7rem; line-height: 1.5; }
.pte-discovery .pte-card-top-row > span + span::before { content: '·'; margin-right: .8rem; color: var(--pte-text-muted); }
html[data-pte-theme] .pte-discovery .pte-card-title { font-size: 1rem; font-weight: 500; line-height: 1.45; margin: .5rem 0 0; letter-spacing: -.025em; overflow-wrap: anywhere; }
html[data-pte-theme] .pte-discovery .pte-card-preview { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 1; overflow: hidden; font-size: .74rem; line-height: 1.75; margin: 0; overflow-wrap: anywhere; }
.pte-discovery .pte-card-meta { margin: 0; font-size: .7rem; font-weight: 400; color: var(--pte-text-muted); gap: .3rem .8rem; }
html[data-pte-theme] .pte-discovery :is(.pte-card-badge, .pte-card-status, .pte-card-pro-pill, .pte-best-pill) { font-size: inherit; font-weight: 400; line-height: 1.5; padding: 0; letter-spacing: 0; text-transform: none; }
html[data-pte-theme] .pte-discovery :is(.pte-card-badge, .pte-card-status, .pte-card-pro-pill) { border: 0; border-radius: 0; background: transparent; color: inherit; }
.pte-discovery .pte-card-side { flex-direction: row; flex-wrap: nowrap; align-items: center; align-self: center; gap: 1.1rem; }
.pte-discovery .pte-card-actions { display: flex; flex-direction: column; align-items: stretch; gap: .25rem; min-width: 9.5rem; }
html[data-pte-theme] .pte-discovery .pte-card-action-label { padding: .7rem 1rem; min-height: 44px; font-size: .75rem; font-weight: 500; border-radius: 7px; text-transform: none; }
.pte-discovery .pte-card-score { display: flex; flex-direction: column; min-width: 3.5rem; gap: .1rem; text-align: right; }
.pte-discovery .pte-card-score span { color: var(--pte-text-muted); font-size: .64rem; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; white-space: nowrap; }
.pte-discovery .pte-card-score strong { color: var(--pte-sage); font-size: 1.35rem; font-weight: 800; letter-spacing: -.01em; line-height: 1.1; }
.pte-discovery .pte-card-results-link { display: inline-flex; align-items: center; justify-content: center; min-height: 28px; padding: .25rem .65rem; border-radius: 6px; color: var(--pte-text-muted); font-size: .6875rem; text-decoration: none; }
.pte-discovery .pte-card-results-link:hover { color: var(--pte-sage); text-decoration: underline; text-underline-offset: 4px; }
html[data-pte-theme] .pte-discovery .pte-card-locked .pte-card-action-label { background: var(--pte-sage-soft); color: var(--pte-sage); border: 1px solid var(--pte-sage-border); }
.pte-discovery .pte-card .pte-attribution-card { min-width: 0; margin: 0; padding: 0; border: 0; gap: .3rem; font-size: .59rem; font-weight: 500; font-style: normal; line-height: 1.45; color: var(--pte-text-muted); overflow-wrap: anywhere; }
.pte-discovery .pte-card .pte-attribution-link { color: var(--pte-sage); font-weight: 700; }
.pte-card-byline-avatars { display: inline-flex; flex-shrink: 0; }
.pte-card-byline-avatar { display: inline-flex; align-items: center; justify-content: center; position: relative; overflow: hidden; width: 22px; height: 22px; border: 1px solid var(--pte-sage-border); border-radius: 50%; background: var(--pte-sage-soft); color: var(--pte-sage); font-size: 9px; font-weight: 600; }
.pte-card-byline-avatar + .pte-card-byline-avatar { margin-left: -5px; }
.pte-card-byline-avatar img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.pte-card-byline-copy { min-width: 0; }
.pte-discovery .pte-focus-bar { margin-top: .85rem; }
.pte-discovery .pte-focus-bar-label { font-size: .6rem; font-weight: 500; }
.pte-discovery .pte-focus-chip { font-size: .7rem; font-weight: 400; }
.pte-discovery .pte-focus-clear { font-size: .7rem; font-weight: 500; }
html[data-pte-theme] .pte-discovery .pte-btn { box-shadow: none; font-size: .75rem; text-transform: none; }
.pte-discovery .pte-usage-banner { font-size: .7rem; line-height: 1.7; }
.pte-discovery.pte-home-active .pte-usage-banner { display: none; }
.pte-discovery .pte-mission { margin-top: 1.5rem; border: 1px solid var(--pte-border); background: transparent; box-shadow: none; padding: 1.45rem; border-radius: 12px; }
.pte-discovery .pte-mission-title { font-size: 1rem; font-weight: 500; }
.pte-discovery .pte-mission-lede, .pte-discovery .pte-mission-name { font-size: .72rem; font-weight: 400; }
.pte-discovery .pte-mission-meta { font-size: .65rem; }
.pte-discovery .pte-mission-eyebrow { font-size: .6rem; font-weight: 500; }
.pte-discovery .pte-home-skeleton-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
html[data-pte-theme] .pte-discovery :is(a, button, input, select, summary):focus-visible { --lime: #c7ef4e; outline: 2px solid var(--lime); outline-offset: 2px; }
@media (hover: hover) and (pointer: fine) {
    .pte-library-skill:hover { border-color: var(--pte-sage); }
    .pte-library-tasks a:hover, .pte-library-browse:hover, .pte-library-explore:hover, .pte-library-progress a:hover { color: var(--pte-sage-hover); text-decoration: underline; text-underline-offset: 4px; }
}
@media (max-width: 1100px) {
    .pte-library-hero { grid-template-columns: minmax(0, 1fr) minmax(240px, .8fr); gap: 1.5rem; }
    .pte-library-tasks { grid-template-columns: 1fr; }
    .pte-library-skill-title { align-items: start; flex-wrap: wrap; }
    .pte-library-skill { padding-inline: 1.15rem; }
}
@media (max-width: 900px) {
    html[data-pte-theme] .pte-discovery .pte-app-layout { grid-template-columns: 1fr; }
    .pte-discovery .pte-hub-sidebar { display: none; }
    html[data-pte-theme] .pte-discovery .pte-hub-main { padding: 2rem 1.5rem 6rem; }
    .pte-discovery .pte-mobile-tabs { display: flex; flex-wrap: nowrap; overflow-x: auto; justify-content: flex-start; padding: .6rem; background: var(--pte-surface); border-color: var(--pte-border); }
    .pte-discovery .pte-mobile-tab { flex: 0 0 auto; min-height: 44px; padding: .6rem .9rem; font-size: .7rem; font-weight: 500; border-radius: 8px; }
}
@media (max-width: 800px) {
    html[data-pte-theme] .pte-discovery .pte-card { grid-template-columns: minmax(0, 1fr); }
    .pte-discovery .pte-card-side { grid-column: 1; justify-content: space-between; align-self: stretch; }
    .pte-discovery .pte-card-actions { flex: 1; min-width: 0; }
    .pte-discovery .pte-card-results-link { min-height: 44px; }
    .pte-library-hero { grid-template-columns: 1fr; gap: 1.4rem; }
    .pte-library-intro h1, .pte-library-intro h1 em { font-size: 3rem; }
    .pte-library-next { padding: 1.35rem; }
    html[data-pte-theme] .pte-discovery .pte-library-next .pte-btn { max-width: 360px; }
    .pte-library-next small { text-align: left; }
    .pte-library-section-heading > span { display: none; }
    .pte-library-extras { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
    html[data-pte-theme] .pte-discovery .pte-hub-main { padding: 1.7rem 1rem 6rem; }
    .pte-library-intro h1, .pte-library-intro h1 em { font-size: 2.85rem; }
    .pte-library-grid, .pte-discovery .pte-home-skeleton-grid { grid-template-columns: 1fr; }
    .pte-library-tasks { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 .8rem; }
    .pte-library-tasks a { min-height: 44px; font-size: .72rem; }
    .pte-library-progress { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .pte-library-progress a { justify-content: flex-start; }
    .pte-discovery .pte-catalog { padding: 1rem; }
    .pte-catalog-tools { flex-direction: column; }
    .pte-status-control select, html[data-pte-theme] .pte-discovery .pte-search-input { font-size: 16px; }
    .pte-catalog-results-header { flex-wrap: wrap; gap: .25rem .75rem; padding-block: .35rem; }
    html[data-pte-theme] .pte-discovery .pte-card { padding: 1rem; }
    html[data-pte-theme] .pte-discovery .pte-card-title { font-size: 16px; }
    html[data-pte-theme] .pte-discovery .pte-card-preview { -webkit-line-clamp: 2; }
    html[data-pte-theme] .pte-discovery .pte-card-action-label { min-width: 0; }
    .pte-library-plan summary { gap: .65rem; padding: .85rem; }
}
@media (pointer: coarse) { .pte-discovery .pte-card-results-link { min-height: 44px; } }
@media (prefers-reduced-motion: reduce) { .pte-library-skill { transition: none; } }