.wl{--wl-bg:var(--bg-card,#101c29);--wl-card:var(--bg-secondary,#172737);--wl-text:var(--text-bright,#edf5fa);--wl-muted:var(--text-muted,#a9bbc9);--wl-line:var(--border,#354b60);--wl-accent:var(--accent,#54cabc);--wl-soft:rgba(78,177,169,.1);color:var(--wl-text);background:var(--wl-bg);font:16px/1.65 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;box-sizing:border-box;text-align:left;overflow-wrap:anywhere}.wl *, .wl-fallback *{box-sizing:border-box}.wl button,.wl input,.wl select,.wl textarea{font:inherit;color:var(--wl-text);border:1px solid var(--wl-line);border-radius:8px;background:var(--wl-bg);padding:9px 13px;min-height:42px;line-height:1.4}.wl button{cursor:pointer;font-size:13px;font-weight:650;touch-action:manipulation}.wl button:hover:not(:disabled){border-color:var(--wl-accent);background:var(--wl-soft)}.wl button:disabled{opacity:.45;cursor:not-allowed}.wl button:focus-visible,.wl input:focus-visible,.wl select:focus-visible,.wl a:focus-visible,.wl summary:focus-visible{outline:3px solid var(--wl-accent);outline-offset:3px}.wl a{color:var(--wl-accent);text-decoration-thickness:1px;text-underline-offset:3px}.wl h1,.wl h2,.wl h3,.wl h4{color:var(--wl-text);line-height:1.25;letter-spacing:-.02em}.wl h1{font-size:clamp(25px,3.3vw,37px);margin:5px 0 8px}.wl h2{font-size:27px;margin:0 0 14px}.wl h3{font-size:20px;margin:4px 0 12px}.wl h4{font-size:17px;margin:0 0 7px}.wl p{margin:9px 0 14px}.wl small,.wl-small{font-size:12px;line-height:1.65;color:var(--wl-muted)}.wl-header{padding:22px 28px 17px;display:flex;justify-content:space-between;align-items:flex-start;gap:20px;border-bottom:1px solid var(--wl-line);flex-shrink:0}.wl-brand,.wl-eyebrow{font:10px/1.5 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.11em;color:var(--wl-accent);text-transform:uppercase}.wl-header p{margin:0;color:var(--wl-muted);font-size:13px}.wl-head-actions{display:flex;align-items:center;justify-content:flex-end;gap:12px;flex-wrap:wrap;max-width:340px;font-size:12px}.wl-levels{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:15px 28px 10px;flex-shrink:0}.wl-levels button{text-align:left;padding:12px 16px;min-height:70px}.wl-levels strong{display:block;font-size:19px}.wl-levels span{display:block;font-size:12px;font-weight:400;color:var(--wl-muted);margin-top:4px}.wl-levels button[aria-pressed=true]{border-color:var(--wl-accent);background:var(--wl-soft);box-shadow:inset 3px 0 var(--wl-accent)}.wl-tabs{display:flex;gap:6px;padding:0 28px 10px;overflow:auto;flex-shrink:0}.wl-tabs button{flex:0 0 auto;white-space:nowrap;background:transparent;border-color:transparent;font-size:12px}.wl-tabs button[aria-current=page]{background:var(--wl-card);border-color:var(--wl-line);color:var(--wl-accent)}.wl-progress-summary{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:8px 28px;border-top:1px solid var(--wl-line);border-bottom:1px solid var(--wl-line);font-size:11px;color:var(--wl-muted);flex-shrink:0}.wl-progress-summary progress{width:140px;height:8px;accent-color:var(--wl-accent)}.wl-progress-summary small{margin-left:auto;font-size:10px}.wl-body{padding:0 28px 26px;overflow:auto;min-height:0;overscroll-behavior:contain;scrollbar-width:thin}.wl-search-form{display:grid;grid-template-columns:minmax(150px,1fr) minmax(120px,200px) auto;gap:9px;padding:15px 0;background:var(--wl-bg);position:sticky;top:0;z-index:5}.wl-search-form input,.wl-search-form select{min-width:0;width:100%;font-size:14px}.wl-sr{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important}.wl-content{min-width:0}.wl-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:12px 0}.wl-actions a,.wl-primary-link{font-size:13px}.wl-intro{display:grid;grid-template-columns:minmax(0,2.5fr) minmax(170px,1fr);gap:28px;padding:28px;border:1px solid var(--wl-line);border-radius:15px;background:linear-gradient(130deg,var(--wl-soft),transparent);margin:8px 0 22px}.wl-intro p{color:var(--wl-muted)}.wl-intro aside{display:grid;grid-template-columns:auto 1fr;align-content:start;gap:8px 12px;border-left:1px solid var(--wl-line);padding-left:24px;font-size:12px;color:var(--wl-muted)}.wl-intro aside b{color:var(--wl-text);font-size:26px;line-height:1.1}.wl-intro aside small{grid-column:1/-1;margin-top:12px}.wl-list-count{font-size:12px;color:var(--wl-muted)}.wl-card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}.wl-card{border:1px solid var(--wl-line);border-radius:12px;padding:19px;display:flex;flex-direction:column;background:var(--wl-bg);min-width:0}.wl-card-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--wl-muted);font-size:11px;margin-bottom:14px}.wl-card h3{font-size:18px}.wl-card p{color:var(--wl-muted);font-size:13px;flex:1}.wl-card footer{display:flex;align-items:center;justify-content:space-between;gap:9px;flex-wrap:wrap;margin-top:12px}.wl-card footer span{font-size:10px;color:var(--wl-muted)}.wl-number{display:inline-block;font:11px ui-monospace,monospace;color:var(--wl-accent);margin-right:10px}.wl-badge{font-size:10px;font-weight:650;color:var(--wl-accent);padding:3px 7px;border:1px solid currentColor;border-radius:20px;white-space:nowrap}.wl-review{color:#ce9b49}.wl-results{display:grid;gap:12px}.wl-result{padding:19px;border:1px solid var(--wl-line);border-radius:10px}.wl-result p{color:var(--wl-muted);font-size:14px}.wl-empty{padding:28px;border:1px dashed var(--wl-line);border-radius:12px}.wl-lesson-head{padding:18px 0 8px}.wl-goal,.wl-lead{font-size:17px;color:var(--wl-muted)}.wl-outcomes{padding:18px 24px;background:var(--wl-soft);border-radius:12px;margin:18px 0 25px}.wl-outcomes h3{font-size:16px}.wl-outcomes ul{margin-bottom:0;padding-left:22px}.wl-outcomes li{font-size:14px;margin:6px 0}.wl-steps{list-style:none;padding:0;margin:18px 0 30px;display:grid;gap:13px}.wl-steps>li{display:grid;grid-template-columns:36px minmax(0,1fr);gap:15px;border:1px solid var(--wl-line);padding:18px;border-radius:10px}.wl-step-number{display:grid;place-items:center;height:34px;width:34px;border-radius:50%;background:var(--wl-soft);color:var(--wl-accent);font-weight:700}.wl-steps p{font-size:14px;color:var(--wl-muted)}.wl-example{padding:20px 24px;border-left:4px solid var(--wl-accent);background:var(--wl-card);border-radius:0 12px 12px 0;margin:22px 0}.wl-example h3{font-size:17px}.wl-example p{font-size:14px}.wl-reference{margin:28px 0;font-size:15px}.wl-reference h3{margin-top:24px}.wl-reference h4{margin-top:20px}.wl-reference li{margin:7px 0}.wl-reference pre,.wl-lab pre{white-space:pre-wrap;overflow-wrap:anywhere;padding:16px;border:1px solid var(--wl-line);background:var(--wl-card);border-radius:8px;font-size:12px}.wl-reference code{font:12px/1.6 ui-monospace,monospace}.wl-table-wrap{overflow:auto;max-width:100%;margin:16px 0;border:1px solid var(--wl-line);border-radius:8px}.wl-reference table{width:100%;min-width:550px;border-collapse:collapse;font-size:13px}.wl-reference th,.wl-reference td{border:1px solid var(--wl-line);padding:10px;text-align:left;vertical-align:top}.wl[data-depth=simple] .wl-reference{display:none}.wl-check{border:1px solid var(--wl-line);border-radius:12px;padding:22px;margin:26px 0}.wl-check h3{font-size:18px}.wl-check fieldset{border:0;padding:0;margin:15px 0}.wl-choice{display:flex;align-items:flex-start;gap:12px;padding:12px;border:1px solid var(--wl-line);border-radius:8px;margin:9px 0;cursor:pointer;font-size:14px}.wl-choice input{min-height:0;width:18px;height:18px;flex:0 0 18px;margin:3px 0;accent-color:var(--wl-accent)}.wl-feedback{padding:12px 16px;background:var(--wl-card);border-left:3px solid #d19b4c;border-radius:6px;font-size:13px}.wl-correct{border-color:var(--wl-accent)}.wl-error{border:1px solid #c07863;color:var(--wl-text);padding:12px 16px;border-radius:7px;background:rgba(190,93,69,.1);font-size:13px}.wl-methods a{display:inline-block;font-size:13px;margin:4px}.wl-lesson-footer{border-top:1px solid var(--wl-line);margin-top:25px;padding-top:14px}.wl-downloads{border-top:1px solid var(--wl-line);margin:32px 0 0;padding:24px 0 0;font-size:13px}.wl-downloads p{font-size:12px;color:var(--wl-muted);margin:6px 0}.wl-downloads>small{display:block;margin-top:10px}.wl-glossary{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.wl-glossary>div{padding:16px;border:1px solid var(--wl-line);border-radius:9px}.wl-glossary dt{font-weight:700;margin-bottom:6px}.wl-glossary dd{font-size:13px;color:var(--wl-muted);margin:0}.wl-progress-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}.wl-progress-cards article{padding:20px;border:1px solid var(--wl-line);border-radius:12px}.wl-progress-cards b{display:block;font-size:26px}.wl-progress-cards span{display:block;font-size:12px;color:var(--wl-muted)}.wl-progress-list{list-style:none;padding:0;display:grid;gap:8px}.wl-progress-list li{padding:12px;border-bottom:1px solid var(--wl-line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px}.wl-progress-list .wl-badge{margin-left:10px}.wl-file-button{position:relative;display:inline-block;padding:9px 13px;border:1px solid var(--wl-line);border-radius:8px;font-size:13px;cursor:pointer;overflow:hidden;min-height:42px}.wl-file-button input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;padding:0}.wl-lab-tabs{display:flex;flex-wrap:wrap;gap:7px;margin:20px 0}.wl-lab-tabs [aria-pressed=true]{background:var(--wl-soft);border-color:var(--wl-accent)}.wl-lab{padding:24px;border:1px solid var(--wl-line);border-radius:14px}.wl-lab-controls{display:flex;gap:13px;flex-wrap:wrap;margin:20px 0}.wl-lab-controls label{display:flex;flex-direction:column;gap:6px;font-size:12px;flex:1 1 180px;min-width:0}.wl-lab-controls input,.wl-lab-controls select{width:100%;min-width:0}.wl-lab-result{padding:18px;background:var(--wl-card);border-radius:10px;min-height:130px}.wl-lab-result p{font-size:14px}.wl-lab-numbers{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px}.wl-lab-numbers b{display:block;font-size:22px}.wl-lab-numbers span{display:block;color:var(--wl-muted);font-size:12px}.wl-lab-result svg{display:block;width:min(100%,400px);margin:0 auto 12px;color:var(--wl-muted)}
.wl-modal{position:fixed;width:min(1180px,calc(100vw - 32px));max-width:none;height:min(930px,92dvh);max-height:92dvh;padding:0;margin:auto;border:1px solid var(--wl-line);border-radius:17px;box-shadow:0 25px 100px #0006;overflow:hidden}.wl-modal[open]{display:flex;flex-direction:column}.wl-modal:not([open]){display:none}.wl-modal::backdrop{background:rgba(3,12,22,.72)}.wl-coach{position:fixed;right:20px;bottom:20px;width:min(410px,calc(100vw - 28px));max-height:65dvh;overflow:auto;z-index:2147481000;border:1px solid var(--wl-accent);border-radius:13px;box-shadow:0 15px 60px #0005;padding:18px}.wl-coach header{display:flex;align-items:flex-start;gap:10px;justify-content:space-between}.wl-coach h2{font-size:18px;margin:5px 0 10px}.wl-coach p{font-size:14px}.wl-coach button{font-size:12px;min-height:38px}.wl-coach .wl-actions{gap:7px;margin:10px 0 0}.wl-coach-message{border-left:3px solid var(--wl-accent);padding:8px 11px;color:var(--wl-muted);font-size:12px!important;background:var(--wl-soft)}.wl-spot{position:fixed;z-index:2147480999;border:3px solid #f1a641;border-radius:7px;box-shadow:0 0 0 4px #f1a64144;pointer-events:none!important;box-sizing:border-box}.wl-public-body{margin:0;background:#f4f3ed;color:#20323d;font:16px/1.7 system-ui}.wl-public-body>.wl{max-width:1220px;margin:20px auto;border:1px solid #bdcbc9;border-radius:16px;overflow:hidden}.wl-public-body .wl-body{overflow:visible}.wl-fallback{max-width:1100px;padding:28px 24px;margin:auto;overflow-wrap:anywhere}.wl-fallback .wl-fallback-lesson{margin:35px 0;padding-top:20px;border-top:1px solid #8fa5ab88}.wl-fallback table{width:100%;border-collapse:collapse;font-size:13px}.wl-fallback td,.wl-fallback th{border:1px solid #9eafb7;padding:8px;vertical-align:top;text-align:left}.wl-fallback pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px}.wl-fallback nav{display:flex;gap:12px;flex-wrap:wrap}.wl-enhanced .wl-fallback{display:none}.wl-skip{position:fixed;left:10px;top:-100px;background:#fff;color:#122c34;padding:10px;z-index:2147483000}.wl-skip:focus{top:10px}.wl-legacy-anchor{display:block;position:relative;top:-10px}.wl-public-body [data-watchtower-learning-page]:empty{display:none}html[data-wl-theme=light] .wl{--wl-bg:#fffefa;--wl-card:#f2f5f2;--wl-text:#233c42;--wl-muted:#526970;--wl-line:#c7d4d2;--wl-accent:#0b746e;--wl-soft:#0b746e0d}html[data-wl-theme=dark] .wl-public-body{background:#091521;color:#e7f1f6}html[data-wl-theme=dark] .wl{--wl-bg:#101f2b;--wl-card:#172d3a;--wl-text:#e7f1f6;--wl-muted:#a3b9c5;--wl-line:#34525f;--wl-accent:#62d2c0;--wl-soft:#62d2c010}
@media(max-width:760px){.wl-modal{width:calc(100vw - 12px);height:96dvh;max-height:96dvh;border-radius:12px}.wl-header{padding:14px 16px;gap:10px}.wl-header p{display:none}.wl-head-actions{max-width:145px;gap:8px;font-size:11px}.wl-head-actions button{padding:7px 10px;min-height:38px}.wl-head-actions>a:last-child{display:none}.wl-levels{padding:10px 15px 7px;gap:8px}.wl-levels button{min-height:66px;padding:9px 11px}.wl-levels strong{font-size:17px}.wl-levels span{font-size:10px}.wl-tabs{padding:0 14px 8px;gap:3px}.wl-tabs button{font-size:11px;padding:7px 9px;min-height:36px}.wl-progress-summary{padding:7px 16px;gap:6px}.wl-progress-summary progress{width:80px}.wl-progress-summary small{width:100%;margin-left:0;font-size:10px}.wl-body{padding:0 15px 20px}.wl-search-form{grid-template-columns:1fr auto;gap:7px;padding:10px 0}.wl-search-form input{grid-column:1/-1;font-size:16px}.wl-search-form select{font-size:14px}.wl-search-form button{font-size:12px}.wl-intro{grid-template-columns:1fr;padding:20px;gap:16px}.wl-intro aside{border:0;border-top:1px solid var(--wl-line);padding:16px 0 0;grid-template-columns:auto 1fr auto 1fr;font-size:10px}.wl-intro aside small{grid-column:1/-1}.wl h2{font-size:24px}.wl-card-grid{grid-template-columns:1fr}.wl-card{padding:17px}.wl-goal,.wl-lead{font-size:16px}.wl-steps>li{grid-template-columns:28px minmax(0,1fr);padding:14px;gap:10px}.wl-step-number{width:28px;height:28px;font-size:13px}.wl-check{padding:17px}.wl-choice{font-size:14px}.wl-reference{font-size:14px}.wl-progress-cards{grid-template-columns:1fr}.wl-progress-cards article{padding:13px}.wl-progress-list li{align-items:flex-start}.wl-progress-list .wl-badge{display:table;margin:6px 0}.wl-lab{padding:17px}.wl-lab-controls{gap:10px}.wl-lab-controls input,.wl-lab-controls select{font-size:16px}.wl-coach{right:8px;bottom:8px;width:calc(100vw - 16px);max-height:43dvh;padding:13px}.wl-coach h2{font-size:16px}.wl-coach p{font-size:13px}.wl-public-body>.wl{border-radius:0;margin:0;border-left:0;border-right:0}.wl-glossary{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.wl *{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
@media(max-width:600px){.wl .wl-tabs{flex-wrap:wrap;overflow:visible}.wl .wl-tabs button{flex:0 1 auto}.wl-fallback-note{padding:16px}.wl-fallback .wl-table-wrap{overflow-x:auto}.wl-fallback .wl-table-wrap table{min-width:550px}}
@media print{.wl-public-body{background:#fff!important;color:#111!important}.wl-public-body>.wl,.wl-skip,.wl-coach,.wl-spot{display:none!important}.wl-fallback,.wl-enhanced .wl-fallback{display:block!important;max-width:none;padding:0;font:10.5pt/1.5 system-ui;color:#111}.wl-fallback a{color:#124c60}.wl-fallback nav{display:none}.wl-fallback h1{font-size:26pt}.wl-fallback h2{font-size:20pt;line-height:1.2;break-after:avoid}.wl-fallback h3,.wl-fallback h4{break-after:avoid}.wl-fallback p,.wl-fallback li{orphans:3;widows:3}.wl-fallback .wl-fallback-lesson{break-before:page;border:0;padding:0;margin:0}.wl-fallback table{font-size:9pt;table-layout:fixed}.wl-fallback thead{display:table-header-group}.wl-fallback tr{break-inside:avoid}.wl-fallback th,.wl-fallback td{padding:6px;overflow-wrap:anywhere}.wl-fallback code{font-size:8.5pt}.wl-fallback .wl-print-answer{border-left:2px solid #789;padding-left:10px;font-size:9pt}.wl-fallback .wl-print-directory{break-before:page}.wl-fallback .wl-print-nav{display:block!important}.wl-fallback .wl-print-nav li{margin:3px 0}body[data-wl-print=simple] .wl-fallback [data-level=extended],body[data-wl-print=extended] .wl-fallback [data-level=simple]{display:none!important}.wl-fallback .wl-legacy-anchor{position:static}.wl-fallback .wl-table-wrap{overflow:visible;border:0}.wl-fallback .wl-table-wrap table{min-width:0!important}@page{size:A4;margin:18mm 16mm 20mm}}