/* Deliberately scoped: lesson, practice, exam and save screens keep their styles. */
.world-catalog{--wc-teal:var(--teal,#176b66);--wc-ink:var(--ink,#292238);--wc-muted:var(--muted,#686575);--wc-line:var(--line,#ded8cd);--wc-card:var(--card,#fffdf9);min-width:0;overflow-wrap:anywhere}
.world-catalog *, .world-catalog *::before, .world-catalog *::after{box-sizing:border-box}
.world-catalog a,.world-catalog button,.world-catalog select,.world-catalog input,.world-catalog summary{-webkit-tap-highlight-color:transparent}
.wc-kicker{display:block;font-size:10px;font-weight:800;letter-spacing:1.8px;text-transform:uppercase;color:var(--wc-teal)}
.wc-hero{display:grid;grid-template-columns:1.35fr .65fr;gap:70px;align-items:center;margin:0 0 34px}
.wc-hero h1{font-size:clamp(39px,4.5vw,62px);line-height:1.05;margin:18px 0 22px;letter-spacing:-.045em}
.wc-hero h1 em{color:var(--wc-teal);font-weight:400}
.wc-hero>div>p{max-width:615px;font-size:16px;color:var(--wc-muted);line-height:1.8;margin:0}
.wc-library-note{position:relative;background:var(--wc-ink);color:#fffdf9;border-radius:70px 15px 15px 15px;padding:32px 32px 26px;overflow:hidden}
.wc-note-mark{position:absolute;right:22px;top:15px;color:#bfa8cf;font:55px Georgia,serif}
.wc-stat strong{display:block;font:68px/1 Georgia,serif;letter-spacing:-3px}
.wc-stat>span{display:block;margin-top:6px;font-size:13px;color:#e0d4e9}
.wc-note-bottom{display:flex;gap:30px;border-top:1px solid #ffffff30;margin-top:21px;padding-top:19px}
.wc-note-bottom>div{min-width:0}.wc-note-bottom strong{display:block;font:27px/1.2 Georgia,serif}.wc-note-bottom span{display:block;font-size:11px;line-height:1.5;color:#e0d4e9;margin-top:3px}
.wc-library-note p{font-size:11px;color:#e0d4e9;margin:23px 0 10px}.wc-library-note a{font-size:12px;color:#f0e4ce;text-decoration:none}
.wc-subjects{display:flex;gap:26px;flex-wrap:wrap;border-bottom:1px solid var(--wc-line);margin:12px 0 28px}
.wc-subjects a{padding:14px 0;color:var(--wc-muted);text-decoration:none;font-size:13px;border-bottom:3px solid transparent;margin-bottom:-1px}
.wc-subjects a[aria-current]{border-color:var(--wc-teal);color:var(--wc-teal);font-weight:750}
.wc-periods{margin-bottom:30px}.wc-periods summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:15px;cursor:pointer;padding:4px 0 16px}
.wc-periods summary::-webkit-details-marker{display:none}.wc-periods summary strong{display:block;font:24px/1.3 Georgia,serif;letter-spacing:-.02em;margin-top:6px}.wc-period-toggle{font:28px/1 Georgia,serif;color:var(--wc-teal)}.wc-periods[open] .wc-period-toggle{transform:rotate(45deg)}
.wc-period-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:9px}
.wc-period{display:flex;flex-direction:column;align-items:flex-start;min-height:123px;background:#f1ede4;border:1px solid transparent;border-radius:9px;padding:12px 13px;color:var(--wc-ink);text-decoration:none;transition:border-color .15s,background .15s}
.wc-period:nth-child(3n+2){background:#e8eee8}.wc-period:nth-child(3n){background:#eee7ef}.wc-period:hover,.wc-period.is-active{border-color:var(--wc-teal);background:#dcece6}.wc-period-number{font:italic 18px Georgia,serif;color:#73746c;opacity:.85}.wc-period strong{display:block;font-size:12px;line-height:1.35;letter-spacing:-.01em;margin:9px 0 10px}.wc-period>span:last-child{font-size:10px;line-height:1.4;color:var(--wc-muted);margin-top:auto}
.wc-refine{padding:26px 28px 20px;background:var(--wc-card);border:1px solid var(--wc-line);border-radius:13px;margin:0 0 39px;box-shadow:0 7px 22px #29223803}
.wc-refine-head{display:flex;justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:20px}.wc-refine-head h2{font:27px/1.2 Georgia,serif;margin:0}.wc-refine-head p{font-size:12px;color:var(--wc-muted);margin:0}
.wc-search{display:block}.wc-search>span:first-child,.wc-field>span,.wc-type-field>span{display:block;font-size:11px;font-weight:750;letter-spacing:.15px;margin-bottom:7px;color:var(--wc-muted)}
.wc-search-box{position:relative;display:block}.wc-search-box>span{position:absolute;left:15px;top:7px;font-size:28px;line-height:1;color:var(--wc-teal);pointer-events:none}
.wc-search input{display:block;width:100%;min-width:0;border:1px solid var(--wc-line);border-radius:8px;background:#f8f5ee;padding:12px 14px 12px 45px;font-size:14px;color:var(--wc-ink);line-height:1.5}
.wc-search input::placeholder{color:#7b7682;opacity:1}
.wc-axis-fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:18px}
.wc-field,.wc-type-field{display:block;min-width:0}.wc-field select,.wc-type-field select{display:block;width:100%;min-width:0;max-width:100%;border:1px solid var(--wc-line);background:var(--wc-card);border-radius:7px;padding:11px 30px 11px 11px;font-size:12px;line-height:1.5;color:var(--wc-ink);text-overflow:ellipsis}
.wc-filter-bottom{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-top:18px}.wc-type-field{flex:0 1 295px}
.wc-views{display:flex;gap:4px;padding:4px;background:#f0ede7;border-radius:8px;max-width:100%}.wc-views a{font-size:11px;line-height:1.4;color:var(--wc-muted);text-decoration:none;padding:10px 12px;border-radius:5px}.wc-views a[aria-current]{color:var(--wc-teal);background:var(--wc-card);box-shadow:0 1px 5px #2922380d;font-weight:750}
.wc-filter-hint{font-size:11px;color:var(--wc-muted);margin:17px 0 0}.wc-active{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:18px}
.wc-remove{display:inline-flex;gap:12px;align-items:center;min-height:36px;max-width:100%;background:#dcece6;color:#23534c;border:1px solid #b8d1c7;border-radius:6px;padding:6px 10px;font-size:11px;line-height:1.4;text-align:left}.wc-remove span{font-size:18px;line-height:1;flex:0 0 auto}.wc-clear{background:transparent;border:0;text-decoration:underline;text-underline-offset:4px;color:var(--wc-muted);padding:8px;font-size:11px;min-height:36px}
.wc-results-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:20px}.wc-results-head h2{font:32px/1.2 Georgia,serif;margin:8px 0 9px;letter-spacing:-.025em}.wc-results-head p{font-size:12px;color:var(--wc-muted);margin:0}.wc-result-note{font-size:10px;color:var(--wc-muted);padding-bottom:4px}
.wc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;align-items:stretch}
.wc-card{display:flex;flex-direction:column;min-width:0;padding:22px;background:var(--wc-card);border:1px solid var(--wc-line);border-radius:11px;box-shadow:0 5px 17px #29223803}
.wc-card-meta{display:flex;gap:12px;justify-content:space-between;align-items:center;margin-bottom:15px;font-size:10px;color:var(--wc-muted);flex-wrap:wrap}
.wc-type{color:var(--wc-teal);font-size:9px;letter-spacing:1.2px;text-transform:uppercase;font-weight:800}.wc-done{color:var(--wc-teal);font-weight:650}.wc-order{font-variant-numeric:tabular-nums}
.wc-card-body{display:flex;gap:15px;align-items:flex-start}.wc-card-copy{min-width:0;flex:1}.wc-card h3{font:24px/1.23 Georgia,serif;letter-spacing:-.025em;margin:0 0 12px}.wc-card h3 a{color:var(--wc-ink);text-decoration:none}.wc-card h3 a:hover{color:var(--wc-teal);text-decoration:underline;text-underline-offset:4px}.wc-card p{font-size:12px;line-height:1.75;color:var(--wc-muted);margin:0 0 15px}.wc-card-copy>p{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.wc-thumb{display:block;flex:0 0 108px;max-width:30%;border:1px solid var(--wc-line);border-radius:6px;overflow:hidden;background:#f3eee5}.wc-thumb img{display:block;width:100%;height:80px;object-fit:contain}
.wc-tags{display:flex;align-items:flex-start;gap:5px;flex-wrap:wrap;margin:1px 0 15px}.wc-tag{display:inline-block;max-width:100%;font-size:9px;line-height:1.5;padding:4px 7px;border-radius:4px;text-decoration:none;color:#3c5e54;background:#e7eee8;border:1px solid transparent}.wc-tag-region{background:#f3eddf;color:#705b3f}.wc-tag-topic{background:#eee6f0;color:#674c77}.wc-tag:hover,.wc-tag.is-active{border-color:currentColor}
.wc-card .wc-module-label{font-size:10px;line-height:1.5;margin:0 0 15px;color:#79717e}
.wc-card-footer{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-top:auto;padding-top:13px;border-top:1px solid #e8e3da;flex-wrap:wrap}.wc-open{font-size:12px;color:var(--wc-teal);font-weight:750;text-decoration:none}.wc-open:hover{text-decoration:underline}.wc-related-all{font-size:10px;color:var(--wc-muted);text-decoration:none}.wc-related-all:hover{text-decoration:underline}.wc-related{display:flex;flex-wrap:wrap;gap:8px 15px;margin-top:13px}.wc-related a{font-size:10px;color:var(--wc-teal);text-decoration:none}.wc-related a:hover{text-decoration:underline}.wc-related a span{font-size:9px}.wc-card .wc-owner{font-size:10px;line-height:1.6;border-top:1px solid #e8e3da;margin:13px 0 0;padding-top:11px}.wc-owner a{text-decoration:none}.wc-card .wc-module-progress{margin-top:auto;padding-top:18px;font-size:11px}.wc-module-card>.wc-open{border-top:1px solid var(--wc-line);padding-top:12px}
.wc-more{text-align:center;margin:30px 0 10px}.wc-more p{font-size:11px;color:var(--wc-muted);margin:0 0 12px}.wc-more-button{border:1px solid var(--wc-teal);background:var(--wc-teal);color:#fff;border-radius:7px;padding:12px 24px;font-size:12px;font-weight:650;line-height:1.5;max-width:100%;min-height:44px}.wc-more-button span{padding-left:12px}.wc-end{text-align:center;font-size:11px;color:var(--wc-muted);padding-top:28px;margin:0}
.wc-empty{padding:45px 25px;text-align:center;border:1px dashed #bfb8ab;border-radius:12px;background:#f1ede4}.wc-empty>span{font-size:37px;color:var(--plum,#6e4d8b)}.wc-empty h3{font:28px/1.3 Georgia,serif;margin:15px 0}.wc-empty p{max-width:470px;margin:0 auto 22px;font-size:13px;color:var(--wc-muted)}
@media(min-width:1350px){.wc-period-grid{grid-template-columns:repeat(6,minmax(0,1fr))}.wc-card{padding:25px}}
@media(max-width:1000px){.wc-hero{gap:35px;grid-template-columns:1.25fr .75fr}.wc-library-note{padding:29px 24px 23px}.wc-period-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.wc-period{min-height:112px}.wc-refine{padding:24px}.wc-axis-fields{gap:12px}.wc-card{padding:20px}.wc-card h3{font-size:22px}.wc-result-note{max-width:120px;text-align:right}}
@media(max-width:700px){.wc-hero{grid-template-columns:1fr;gap:25px;margin-bottom:24px}.wc-hero h1{font-size:47px;margin-top:14px}.wc-hero>div>p{font-size:14px}.wc-library-note{border-radius:37px 11px 11px 11px;padding:24px;display:grid;grid-template-columns:.8fr 1.2fr;gap:0 25px}.wc-stat strong{font-size:48px}.wc-note-mark{font-size:34px;right:17px;top:15px}.wc-note-bottom{margin:0;padding:3px 16px 0 0;border:0;gap:18px;align-items:center}.wc-note-bottom strong{font-size:25px}.wc-note-bottom span{font-size:10px}.wc-library-note p{grid-column:1/-1;margin-top:18px}.wc-library-note>a{grid-column:1/-1}.wc-subjects{gap:22px;margin-bottom:22px}.wc-subjects a{font-size:12px;padding:10px 0}.wc-period-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.wc-period{padding:11px;min-height:116px}.wc-period strong{font-size:11px}.wc-periods{margin-bottom:24px}.wc-periods summary strong{font-size:22px}.wc-refine{padding:22px 18px;margin-bottom:29px}.wc-refine-head{display:block;margin-bottom:18px}.wc-refine-head h2{font-size:25px}.wc-refine-head p{margin:7px 0 0}.wc-axis-fields{grid-template-columns:1fr;gap:14px;margin-top:15px}.wc-field select,.wc-type-field select{font-size:13px;padding-top:11px;padding-bottom:11px}.wc-filter-bottom{display:block;margin-top:15px}.wc-type-field{width:100%}.wc-views{margin-top:20px;width:100%;justify-content:stretch}.wc-views a{flex:1;text-align:center;font-size:11px}.wc-search input{font-size:13px;padding-left:38px}.wc-search-box>span{left:12px}.wc-filter-hint{font-size:10px;line-height:1.7}.wc-grid{grid-template-columns:1fr;gap:14px}.wc-results-head h2{font-size:29px}.wc-result-note{display:none}.wc-card{padding:20px}.wc-card h3{font-size:24px}.wc-card p{font-size:12px}.wc-card-footer{gap:10px}.wc-tag{font-size:9px}.wc-more-button{width:100%}.wc-empty{padding:30px 20px}.wc-empty h3{font-size:25px}}
@media(max-width:360px){.wc-hero h1{font-size:41px}.wc-subjects{gap:13px}.wc-subjects a{font-size:11px}.wc-period-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.wc-library-note{gap:0 16px;padding:22px 18px}.wc-note-bottom{gap:12px;padding-right:6px}.wc-stat strong{font-size:43px}.wc-note-bottom strong{font-size:23px}.wc-thumb{flex-basis:80px}.wc-thumb img{height:64px}}
@media(prefers-reduced-motion:reduce){.wc-period{transition:none}}
@media print{.wc-refine,.wc-subjects,.wc-periods,.wc-more{display:none}.wc-hero{display:block}.wc-library-note{display:none}.wc-grid{display:block}.wc-card{break-inside:avoid;margin-bottom:15px}.wc-card-copy>p{display:block;overflow:visible}.wc-card-footer{margin-top:10px}}