*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f4f7fb;color:#19263b;font:15px/1.65 Arial,Helvetica,sans-serif}a{color:#145db8}a:hover{text-decoration:none}.lc-shell{max-width:1190px;margin:0 auto;padding:24px 20px 48px}.lc-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.lc-back,.lc-print{display:inline-block;padding:9px 14px;border:1px solid #d4e0ee;border-radius:9px;background:white;color:#1655a1;font-weight:700;text-decoration:none;font-size:13px}.lc-print{cursor:pointer}.lc-hero{padding:26px 30px;background:linear-gradient(115deg,#103c79,#1972cf);color:white;border-radius:16px;margin-bottom:22px}.lc-eyebrow{text-transform:uppercase;letter-spacing:.09em;font-weight:800;font-size:11px;color:#cde2ff}.lc-hero h1{font-size:30px;line-height:1.2;margin:9px 0}.lc-hero p{max-width:760px;margin:0;color:#eaf2ff}.lc-layout{display:grid;grid-template-columns:minmax(0,1fr) 245px;gap:20px;align-items:start}.lc-main{min-width:0}.lc-section,.lc-side,.lc-related,.lc-intro{background:white;border:1px solid #dce5f0;border-radius:13px;padding:23px 25px;margin-bottom:16px}.lc-section h2,.lc-related h2{font-size:20px;line-height:1.3;margin:0 0 11px;color:#183b68}.lc-section p{margin:0 0 12px}.lc-section p:last-child{margin-bottom:0}.lc-section ol,.lc-section ul{padding-left:23px}.lc-section li{margin:7px 0}.lc-callout{padding:15px 17px;border-left:4px solid #1769e0;border-radius:8px;background:#f0f6ff;margin:12px 0}.lc-callout strong{color:#153d70}.lc-formula{font-weight:700;background:#f6f9fe;border:1px solid #dce8f8;border-radius:9px;padding:13px 16px;margin:12px 0;overflow-wrap:anywhere}.lc-side{position:sticky;top:16px;padding:19px}.lc-side h3{margin:0 0 12px;font-size:15px}.lc-side a{display:block;padding:7px 9px;border-radius:7px;text-decoration:none;color:#38506d;font-size:13px}.lc-side a:hover,.lc-side a:focus{background:#eef5ff;color:#145db8}.lc-steps{counter-reset:step;list-style:none!important;padding:0!important}.lc-steps li{position:relative;padding:12px 14px 12px 44px;border:1px solid #e2eaf4;border-radius:9px;background:#fbfdff}.lc-steps li:before{counter-increment:step;content:counter(step);position:absolute;left:12px;top:11px;background:#e3efff;border-radius:50%;width:24px;height:24px;display:grid;place-items:center;font-size:12px;font-weight:800;color:#1358ad}.lc-details{border:1px solid #dce5f0;border-radius:9px;padding:12px 15px;background:#fbfdff}.lc-details summary{font-weight:700;cursor:pointer}.lc-search{display:block;width:100%;padding:14px 16px;border:1px solid #cbd9e8;border-radius:10px;background:white;font:inherit;margin:16px 0 20px}.lc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.lc-card{display:block;background:white;border:1px solid #dce5f0;border-radius:12px;padding:20px;text-decoration:none;color:#1a2b42;transition:transform .15s,border-color .15s}.lc-card:hover{transform:translateY(-2px);border-color:#80b0e6}.lc-card h2{font-size:17px;margin:0 0 6px;color:#144b8c}.lc-card p{font-size:13px;margin:0;color:#52657c}.lc-tag{display:inline-block;color:#125da8;background:#eaf3ff;padding:3px 8px;border-radius:6px;font-size:11px;font-weight:700;margin-bottom:9px}.lc-footer{color:#65758b;font-size:12px;padding:14px 3px}.lc-empty{padding:24px;background:white;border-radius:10px}.lc-related a{font-weight:700}@media(max-width:850px){.lc-layout{grid-template-columns:1fr}.lc-side{position:static;order:-1}.lc-side nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.lc-shell{padding:14px 12px 28px}.lc-hero{padding:22px 18px}.lc-hero h1{font-size:25px}.lc-section,.lc-related,.lc-intro{padding:19px 16px}.lc-grid{grid-template-columns:1fr}.lc-side nav{grid-template-columns:1fr}.lc-top{flex-wrap:wrap}}@media print{body{background:white}.lc-shell{max-width:none;padding:0}.lc-hero{color:#111;background:white;border-bottom:2px solid #333;border-radius:0}.lc-hero p,.lc-eyebrow{color:#333}.lc-side,.lc-top,.lc-footer{display:none!important}.lc-layout{display:block}.lc-section,.lc-related{break-inside:avoid;box-shadow:none;border-color:#ccc}}
/* V3 responsive directory and lesson enhancements */
.lc-shell{max-width:1220px}.lc-intro{padding:25px 27px}.lc-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.lc-filters{display:flex;flex-wrap:wrap;gap:8px;margin:-5px 0 10px}.lc-filter{font:700 13px Arial,sans-serif;padding:9px 13px;border:1px solid #cbd9e8;background:white;color:#20548d;border-radius:999px;cursor:pointer}.lc-filter.is-active,.lc-filter:hover{background:#145db8;border-color:#145db8;color:white}.lc-filter:focus-visible,.lc-card:focus-visible{outline:3px solid #79b6f5;outline-offset:2px}.lc-count{font-size:12px;color:#62758b;margin:0 0 12px}.lc-card[hidden]{display:none!important}.lc-table-scroll{overflow-x:auto}.lc-table{width:100%;border-collapse:collapse;min-width:520px}.lc-table th,.lc-table td{border:1px solid #dce5f0;padding:9px 10px;text-align:left;font-size:13px}.lc-table th{background:#eff5fc}.lc-chart{background:#f8fbff;border:1px solid #dce5f0;border-radius:10px;padding:14px;margin-top:12px}.lc-chart-legend{display:flex;gap:15px;font-size:12px;margin-bottom:12px}.lc-chart-legend span:before{content:"";display:inline-block;width:11px;height:11px;margin-right:5px;border-radius:3px;background:#8da6c5}.lc-chart-legend span+span:before{background:#166ac5}.lc-chart-row{display:grid;grid-template-columns:55px minmax(0,1fr) 65px;align-items:center;gap:9px;margin:10px 0;font-size:12px}.lc-bars{display:flex;flex-direction:column;gap:3px}.lc-bar-simple,.lc-bar-compound{height:9px;border-radius:3px}.lc-bar-simple{background:#8da6c5}.lc-bar-compound{background:#166ac5}@media(max-width:950px){.lc-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.lc-grid{grid-template-columns:1fr}.lc-intro{padding:19px 16px}.lc-filter{font-size:12px;padding:8px 10px}}@media print{.lc-filters{display:none}.lc-chart{-webkit-print-color-adjust:exact;print-color-adjust:exact}}

/* V4: six-category Learning Centre directory */
.lc-category-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:18px 0 4px}
.lc-category{display:flex;flex-direction:column;min-height:185px;padding:19px 19px 15px;background:#fff;border:1px solid #dce5f0;border-radius:12px;text-decoration:none;color:#19263b;transition:border-color .15s,transform .15s,box-shadow .15s}
.lc-category:hover{border-color:#80b0e6;transform:translateY(-2px);box-shadow:0 5px 14px #1c4b7a0d}
.lc-category:focus-visible{outline:3px solid #79b6f5;outline-offset:2px}
.lc-category-icon{display:grid;place-items:center;width:37px;height:37px;background:#eaf3ff;border-radius:9px;color:#145db8;font-size:20px;font-weight:800;line-height:1}
.lc-category h3{font-size:17px;color:#144b8c;margin:11px 0 4px}
.lc-category p{font-size:13px;color:#52657c;margin:0 0 12px;line-height:1.5}
.lc-category-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:auto;color:#145db8;font-weight:700}
.lc-category-bottom small{font-size:11px;color:#65758b;font-weight:600}
.lc-ad-space{margin:12px 0 16px;text-align:center;font-size:12px;color:#6d7c90;display:none}
.lc-ad-space:has(ins.adsbygoogle[data-ad-status="filled"]){display:block}
#lc-search-results{margin-top:23px;border-top:1px solid #e3eaf3;padding-top:15px}
#lc-search-results[hidden]{display:none!important}
#lc-search-results h2{font-size:18px;margin:0 0 6px;color:#183b68}
@media(max-width:850px){.lc-category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:550px){.lc-category-grid{grid-template-columns:1fr}.lc-category{min-height:0}}
@media print{.lc-ad-space,.lc-search{display:none!important}}

/* V5: preserve filtered card visibility */
.lc-card[hidden]{display:none!important}
#lc-category-search{display:block;width:100%;margin:10px 0 12px}

/* V6 expanded educational articles */
.lc-table-wrap{overflow-x:auto;margin:14px 0}.lc-ref-table{border-collapse:collapse;width:100%;min-width:510px;font-size:13px}.lc-ref-table th,.lc-ref-table td{padding:12px;border:1px solid #dce6f2;text-align:left;vertical-align:top;line-height:1.55}.lc-ref-table th{background:#edf4fe;color:#174777}.lc-ref-table tr:nth-child(even) td{background:#fafcff}.lc-example-stack{display:grid;gap:12px}.lc-example{border:1px solid #dce6f2;border-radius:10px;background:#f8fbff;padding:15px}.lc-example strong{color:#1458a7}.lc-example p{margin:8px 0 0}.lc-details{margin:10px 0}.lc-details summary{cursor:pointer;line-height:1.6}.lc-section{scroll-margin-top:16px}@media print{.lc-side{display:none!important}.lc-layout{display:block!important}.lc-table-wrap{overflow:visible}.lc-ref-table{min-width:0;font-size:10px}.lc-details{break-inside:avoid}}

/* V14: consistent breadcrumb and lesson navigation */
.lc-breadcrumbs{font-size:.9rem;margin:0 0 14px;line-height:1.6;overflow-wrap:anywhere;color:#52647a}
.lc-breadcrumbs a{color:#195aa5;text-decoration:none}.lc-breadcrumbs a:hover{text-decoration:underline}
.lc-lesson-pagination{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,210px),1fr));gap:12px;margin:22px 0 8px}
.lc-page-link{display:flex;flex-direction:column;gap:6px;padding:14px 16px;border:1px solid #d9e5f2;border-radius:12px;background:#f6f9fd;color:#183b66;text-decoration:none;overflow-wrap:anywhere}
.lc-page-link:hover,.lc-page-link:focus-visible{background:#eaf3fd;border-color:#85b4e5}
.lc-page-link small{font-size:.8rem;color:#55718c}.lc-page-link strong{font-size:.95rem}
@media(max-width:640px){.lc-breadcrumbs{font-size:.83rem}.lc-lesson-pagination{grid-template-columns:1fr}}
@media print{.lc-breadcrumbs,.lc-lesson-pagination{display:none!important}}