:root{--bg:#f5f7f6;--paper:#fff;--ink:#172b29;--muted:#546863;--line:#d9e3df;--green:#087563;--deep:#113f36;--mint:#dbf6e9;--orange:#bd5c29;--mono:Consolas,'SFMono-Regular',monospace;--sans:Inter,'Segoe UI',Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 var(--sans)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea,summary{outline-offset:4px}a:hover{color:var(--green)}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}[hidden]{display:none!important}.wrap{max-width:1200px;margin:auto;padding:0 28px}.skip{position:fixed;left:16px;top:-70px;background:var(--deep);color:white;padding:10px;z-index:10}.skip:focus{top:10px}.header{background:#fff;border-bottom:1px solid 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p{font-size:17px;max-width:470px;color:var(--muted)}.hero-actions{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin-top:30px}.button{display:inline-flex;justify-content:center;align-items:center;gap:10px;background:var(--green);color:#fff;border:1px solid var(--green);border-radius:7px;padding:11px 18px;font-size:14px;font-weight:650;line-height:1.5}.button:hover{background:var(--deep);color:#fff}.secondary{background:#fff;color:var(--ink);border-color:var(--line)}.secondary:hover{background:#edf4f0;color:var(--ink)}.textlink{font-size:14px;font-weight:650;text-decoration:underline;text-underline-offset:5px}.hero-foot{display:flex;gap:18px;font:11px var(--mono);color:var(--muted);margin-top:25px}.demo{border:1px solid #c8d8d1;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 18px 42px #19362a0c;transform:rotate(1deg)}.demo-top{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:#eff4f1;border-bottom:1px solid 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span{color:var(--muted);margin-left:8px}.section{padding-top:56px;padding-bottom:18px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:26px}.section-head h2{font-size:29px;line-height:1.2;letter-spacing:-.8px;margin:8px 0 0}.section-head p{margin:8px 0 0;color:var(--muted);font-size:14px}.searchbox label{display:block;font:11px var(--mono);color:var(--muted);margin-bottom:6px}.searchbox input{width:260px;padding:10px 13px;border:1px solid var(--line);border-radius:6px;background:#fff;font-size:13px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.tool-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:25px;display:flex;flex-direction:column;transition:transform .15s,border-color .15s}.tool-card:hover{transform:translateY(-3px);border-color:#6fa992;color:var(--ink)}.card-top{display:flex;justify-content:space-between;align-items:center}.icon{display:grid;place-items:center;width:44px;height:44px;background:#ebf7f0;color:var(--green);font:600 20px var(--mono);border-radius:9px}.card-tag{font:9px var(--mono);color:var(--muted);letter-spacing:1px}.tool-card h3{font-size:18px;margin:20px 0 8px;letter-spacing:-.3px}.tool-card p{color:var(--muted);font-size:13px;line-height:1.75;margin:0 0 20px}.card-cta{margin-top:auto;font-size:12px;color:var(--green);font-weight:650;display:flex;justify-content:space-between}.search-count{font:11px var(--mono);color:var(--muted);margin:14px 0}.lesson-card{border-top:2px solid var(--ink);padding:23px 0;display:block}.lesson-card h3{font-size:20px;line-height:1.35;letter-spacing:-.3px;margin:12px 0}.lesson-card p{font-size:13px;color:var(--muted)}.lesson-card .time{font:11px var(--mono);color:var(--muted)}.note-band{background:var(--deep);color:#fff;border-radius:12px;margin-top:40px;margin-bottom:60px;padding:34px 38px;display:flex;gap:50px;align-items:center}.note-band h2{font-size:24px;line-height:1.3;margin:0 0 8px;letter-spacing:-.5px}.note-band p{color:#c4dcd3;font-size:14px;margin:0;max-width:730px}.note-band a{white-space:nowrap;color:#cff4e3}.footer{border-top:1px solid var(--line);padding:34px 0;background:#fff}.footer-row{display:flex;justify-content:space-between;gap:25px;align-items:start}.footer .brand{font-size:19px}.footer p{font-size:12px;color:var(--muted);max-width:330px}.footer nav{display:flex;gap:22px;flex-wrap:wrap;font-size:12px}.copyright{margin-top:23px;font:10px var(--mono);color:var(--muted)}.breadcrumbs{font-size:12px;color:var(--muted);padding-top:28px}.page-head{padding:30px 0 28px;max-width:800px}.page-head h1{font-size:clamp(32px,4vw,46px);letter-spacing:-1.6px;line-height:1.12;margin:11px 0 17px}.page-head 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8px;border-radius:5px;min-width:0;max-width:230px;background:#fff;font-size:12px}.options input[type=checkbox]{accent-color:var(--green)}.editors{display:grid;grid-template-columns:1fr 1fr}.editor{min-width:0}.editor+.editor{border-left:1px solid var(--line)}.editor-head{padding:12px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;font:11px var(--mono);color:var(--muted)}.editor textarea{display:block;width:100%;height:350px;resize:vertical;border:0;background:#fff;font:13px/1.8 var(--mono);padding:20px;color:#234d3c;tab-size:2;border-radius:0;white-space:pre;overflow:auto}.editor textarea:focus{outline:2px solid var(--green);outline-offset:-2px}.editor textarea[readonly]{background:#fafcfb}.compare-result{border-top:1px solid var(--line)}.compare-result textarea{height:200px}.run-row{padding:16px 20px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:15px}.hint{font-size:12px;color:var(--muted)}.status{padding:12px 20px;margin:0;background:#f4f7f5;color:var(--muted);font-size:12px;border-top:1px solid var(--line);overflow-wrap:anywhere}.status.success{background:#eaf7f0;color:#16634c}.status.error{background:#fff0e9;color:#983d1f}.result-summary{font-size:12px;color:var(--muted);padding:13px 20px;margin:0;border-top:1px solid var(--line)}.tree-wrap{padding:0 20px 15px}.tree-wrap>summary{font-size:12px;cursor:pointer;color:var(--green)}#tree{padding:12px 0;font:12px/1.8 var(--mono);overflow-wrap:anywhere;max-height:400px;overflow:auto}#tree details{padding-left:16px}#tree p{margin:1px 0 1px 16px}#tree summary{cursor:pointer}.tool-details{display:grid;grid-template-columns:1.3fr 1fr;gap:55px;margin:38px 0 50px}.tool-details h2{font-size:22px;letter-spacing:-.5px}.tool-details p,.tool-details li{font-size:14px;color:var(--muted)}.help-card{background:#eaf3ee;border:1px solid var(--line);border-radius:9px;padding:24px;height:fit-content}.help-card h3{font-size:20px;line-height:1.4;margin:12px 0}.article-grid{display:grid;grid-template-columns:minmax(0,760px) 260px;gap:64px;padding-bottom:60px}.prose{max-width:760px;overflow-wrap:anywhere}.prose p,.prose li{font-size:15px;line-height:1.9;color:#354d46}.prose h2{font-size:25px;letter-spacing:-.6px;line-height:1.3;margin:36px 0 12px}.prose h3{font-size:18px}.prose a{color:var(--green);text-decoration:underline;text-underline-offset:3px}.prose code{font:12px var(--mono);background:#eaf1ed;padding:2px 4px;border-radius:3px}.prose pre{background:#142f27;color:#dbf3e5;padding:22px;border-radius:8px;overflow:auto;max-width:100%;font:12px/1.8 var(--mono)}.prose pre code{background:none;color:inherit;padding:0;font-size:12px}.prose .source{border-top:1px solid var(--line);padding-top:20px;font-size:12px}.article-meta{font:11px var(--mono);color:var(--muted);margin-bottom:25px}.article-grid aside{padding-top:15px}.article-grid aside .help-card{position:sticky;top:25px}.legal{padding-bottom:70px}.empty{padding:80px 0}.tool-nav{display:flex;gap:9px;flex-wrap:wrap;margin:22px 0 38px}.tool-nav a{font-size:12px;padding:6px 12px;border:1px solid var(--line);border-radius:5px;background:#fff}.tool-nav a[aria-current=page]{background:var(--deep);color:#fff}.notice{padding:14px 18px;background:#fff1dd;border-left:3px solid var(--orange);font-size:13px}.verify-note{font-size:12px;border-left:3px solid var(--green);padding:12px 17px;background:#eaf4ee;margin-bottom:25px}
.article-grid>*{min-width:0}
@media(max-width:900px){.nav-note{display:none}.hero{gap:30px;padding-top:48px}.hero h1{font-size:44px}.grid{grid-template-columns:repeat(2,1fr)}.trust{font-size:12px;gap:16px}.trust span{display:block;margin-left:0}.article-grid{grid-template-columns:minmax(0,1fr) 220px;gap:30px}.tool-details{gap:30px}}
@media(max-width:640px){.wrap{padding-left:19px;padding-right:19px}.nav{min-height:73px;gap:15px}.brand{font-size:21px}.brand-mark{font-size:17px}.navlinks{gap:15px;font-size:12px}.hero{grid-template-columns:1fr;padding-top:42px;padding-bottom:40px;gap:35px}.hero h1{font-size:46px;letter-spacing:-2px}.hero p{font-size:16px}.demo{transform:none}.trust{grid-template-columns:1fr;gap:10px}.trust span{display:inline;margin-left:8px}.section{padding-top:38px}.section-head{display:block}.searchbox{margin-top:20px}.searchbox input{width:100%}.grid{grid-template-columns:1fr}.tool-card{padding:22px}.note-band{margin-top:25px;margin-bottom:38px;padding:25px;display:block}.note-band a{display:inline-block;margin-top:18px}.footer-row{display:block}.footer nav{margin-top:24px;gap:17px}.editors{grid-template-columns:1fr}.editor+.editor{border-left:0;border-top:1px solid var(--line)}.editor textarea{height:260px}.workspace-bar{align-items:start;flex-direction:column;padding:13px}.options{padding:13px;gap:12px}.options label{flex-wrap:wrap}.run-row{flex-wrap:wrap;padding:13px}.run-row .hint{display:none}.page-head h1{font-size:34px;letter-spacing:-1px}.page-head{padding-top:25px}.tool-details,.article-grid{grid-template-columns:1fr;gap:15px}.article-grid aside{padding-top:0}.article-grid aside .help-card{position:static}.prose pre{padding:16px}.hero-foot{gap:12px;font-size:10px}.tool-nav{gap:6px}.tool-nav a{font-size:11px;padding:6px 8px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.tool-card{transition:none}}
:root{--bg:#f6f8f5;--line:#dce4dd;--muted:#52665e;--green:#126b50;--deep:#153d31;--red:#963c34;--added:#e8f5ec;--removed:#fff0ed;--changed:#fff5dc}
html{scroll-padding-top:28px}body{font-size:15px}h1,h2,h3{color:var(--ink)}.wrap{max-width:1260px;padding-left:30px;padding-right:30px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.brand-dot{color:var(--green);margin-left:-10px}.header{position:relative;z-index:20}.nav{min-height:78px}.navlinks{gap:28px}.nav-toggle{display:none}.nav-cta{background:#edf4ef;border:1px solid var(--line);border-radius:6px;padding:9px 14px;color:var(--green)}.nav-menu summary{cursor:pointer;list-style:none}.nav-menu summary:after{content:'⌄';margin-left:8px}.nav-menu{position:static}.menu-panel{position:absolute;right:30px;top:65px;width:660px;max-width:calc(100vw - 40px);display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:25px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 16px 40px #163d3126;z-index:30}.menu-panel strong{display:block;font:11px var(--mono);color:var(--muted);letter-spacing:1px;margin-bottom:10px}.menu-panel a{display:flex;gap:10px;align-items:center;font-size:13px;padding:8px 0}.menu-panel a span{font:13px var(--mono);color:var(--green);width:23px}.menu-panel .menu-all{grid-column:1/-1;border-top:1px solid var(--line);padding-top:15px;color:var(--green)}.hero{grid-template-columns:1fr 1.08fr;gap:48px;padding-top:69px;padding-bottom:62px}.hero h1{font-size:clamp(42px,4.35vw,60px);line-height:1.11;letter-spacing:-2.5px}.hero p{font-size:17px;max-width:455px}.hero-preview{background:#fff;border:1px solid #cbd9cf;border-radius:12px;overflow:hidden;box-shadow:0 18px 38px #173c3010;transform:rotate(.6deg)}.preview-top{display:flex;align-items:center;gap:8px;padding:18px 16px;border-bottom:1px solid var(--line)}.preview-top strong{font-size:11px;font-weight:600;flex:1}.preview-top>span:last-child{font:9px var(--mono);color:var(--muted)}.preview-dot{width:7px;height:7px;background:#3a9776;border-radius:50%}.preview-labels,.preview-line{display:grid;grid-template-columns:1fr 1fr}.preview-labels{background:#f3f6f2;font:10px var(--mono);letter-spacing:1px;color:var(--muted)}.preview-labels span{padding:14px 17px}.preview-line{font:11px/1.8 var(--mono)}.preview-line>span{padding:10px 12px;white-space:nowrap}.preview-line>span+span,.preview-labels>span+span{border-left:1px solid var(--line)}.preview-line i{display:inline-block;width:25px;font-style:normal;color:#728179}.preview-line .added{background:var(--added);color:#20623d}.preview-line .removed{background:var(--removed);color:var(--red)}.preview-blank{background:#fafbf9}.preview-bottom{padding:17px 16px;display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);font-size:11px}.preview-bottom b{color:var(--green);margin-right:3px}.preview-bottom .minus{color:var(--red);margin-left:12px}.preview-bottom a{color:var(--green);font-weight:650}.trust{padding:25px 0;gap:35px}.trust strong{display:block;font-size:13px}.trust span{display:block;margin:4px 0 0;font-size:12px}.section{padding-top:49px}.section-head{margin-bottom:23px}.section-head h2{font-size:30px}.catalog-controls{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:25px 0}.filter-group{display:flex;gap:5px;flex-wrap:wrap}.filter-group button{background:transparent;border:1px solid transparent;padding:8px 14px;border-radius:5px;color:var(--muted);font-size:12px;font-weight:600;min-height:38px}.filter-group button:hover{background:#e9efea}.filter-group [aria-pressed=true]{background:var(--deep);color:#fff;border-color:var(--deep)}.searchbox{display:block;color:var(--muted);font-size:12px}.searchbox input{font-size:13px;padding:10px 14px;border-radius:6px;max-width:100%;min-height:40px}.grid{gap:18px}.tool-card{padding:23px;min-height:243px}.tool-card h3{font-size:19px;margin-top:17px}.tool-card p{font-size:13px;line-height:1.7}.card-tag{background:#f2f5f1;padding:4px 7px;border-radius:4px;font-size:9px}.tool-card:nth-child(3n+2) .icon{background:#f8f0df;color:#916b23}.tool-card:nth-child(3n+3) .icon{background:#edf0f9;color:#546498}.search-empty{text-align:center;background:#fff;border:1px dashed #bac9bf;padding:35px;border-radius:8px}.lesson-card{border:1px solid var(--line);border-radius:9px;padding:23px;background:#fff;display:flex;flex-direction:column}.lesson-card:hover{border-color:#78a18a;color:var(--ink)}.lesson-card h3{font-size:20px;line-height:1.4}.lesson-card .time{margin-top:auto;padding-top:15px;color:var(--green)}.note-band{border-radius:10px;padding:37px 39px;margin-top:40px}.note-band h2{color:#fff;font-size:27px;margin-top:10px}.note-band .eyebrow{color:#a7d0b7}.note-band .light{background:#fff;color:var(--deep);border-color:#fff}.footer{margin-top:48px;padding:44px 0 23px}.footer-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr .8fr;gap:30px}.footer nav{display:flex;flex-direction:column;gap:8px;font-size:12px}.footer nav strong{margin-bottom:6px;font-size:12px}.privacy-dot{font:10px var(--mono);color:var(--green)}.privacy-dot:before{content:'●';margin-right:7px}.copyright{border-top:1px solid var(--line);padding-top:20px;margin-top:29px;display:flex;justify-content:space-between}.page-head{max-width:920px;padding:48px 0 35px}.page-head h1{font-size:43px;line-height:1.17}.page-head p{max-width:740px;line-height:1.8}.choose-grid{display:grid;grid-template-columns:1fr 1fr;gap:35px;margin:40px 0}.choose-grid article{padding:28px;border-top:1px solid var(--line)}.choose-grid h2{font-size:21px}.choose-grid p{color:var(--muted);font-size:14px}.breadcrumbs{display:flex;flex-wrap:wrap;gap:10px;padding-top:23px;font-size:11px}.tool-switch{display:flex;align-items:center;gap:6px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding:18px 0 13px}.tool-switch a{font-size:12px;padding:7px 12px;border-radius:5px}.tool-switch a[aria-current=page]{background:#e4efe6;color:var(--green);font-weight:650}.tool-switch a:last-child{margin-left:auto;color:var(--muted)}.tool-head{max-width:none;display:flex;justify-content:space-between;align-items:center;gap:30px;padding:29px 0 27px}.tool-head h1{font-size:36px;margin:8px 0 9px}.tool-head p{max-width:800px;font-size:14px}.tool-head>.textlink{white-space:nowrap}.workspace{box-shadow:0 3px 15px #18392d06}.workspace-bar{padding:13px 17px;background:#f1f5f0}.local-label{font-size:11px}.small-button{display:inline-flex;justify-content:center;align-items:center;padding:7px 11px;min-height:34px;background:#fff;border:1px solid #cbd8ce;border-radius:5px;color:var(--ink);font-size:11px;line-height:1.4;font-weight:550;cursor:pointer}.small-button:hover{background:#eaf1e9;border-color:#a0b8a8}.small-button:focus-visible,.button:focus-visible{outline:2px solid var(--green)}.wrap-control{font-size:11px;display:flex;gap:5px;align-items:center;margin-left:8px;white-space:nowrap}.wrap-control input{accent-color:var(--green)}.options{padding:14px 17px;gap:16px;align-items:center}.options>label{font-size:11px;gap:7px}.options input[type=text],.options select{font-size:12px;min-height:34px;max-width:180px}.options>p{margin:0}.editor-head{align-items:center;min-height:49px;padding:9px 17px;background:#fff}.editor-head label{font-size:10px;letter-spacing:1px;font-weight:600}.editor textarea{height:290px;font-size:13px;line-height:1.85;padding:17px;color:#264735;white-space:pre-wrap;overflow-wrap:normal}.editor textarea.no-wrap{white-space:pre;overflow-wrap:normal}.editor-foot{display:flex;justify-content:space-between;gap:10px;padding:9px 17px;border-top:1px solid #edf1eb;font:10px/1.5 var(--mono);color:var(--muted)}.editor-foot span:last-child{text-align:right;overflow-wrap:anywhere;max-width:55%}.input-editor.dragging{box-shadow:inset 0 0 0 3px var(--green);background:#edf6ef}.input-editor.dragging textarea{background:#edf6ef}.run-row{padding:15px 17px;gap:15px}.run-row .hint{font-size:10px}.status,.result-summary{padding:11px 17px;font-size:12px}.status.error{color:#913d23}.tree-wrap{padding:13px 17px}.tree-wrap>summary{font-size:13px}.tool-content{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:58px;padding:46px 0 10px}.tool-content>article>section{margin-bottom:40px}.tool-content h2{font-size:23px;line-height:1.35;letter-spacing:-.5px;margin:10px 0 18px}.tool-content h3{font-size:16px}.tool-content p,.tool-content li{font-size:14px;color:#425b4d;line-height:1.9}.steps{list-style:none;counter-reset:steps;padding:0}.steps li{position:relative;padding:0 0 18px 42px;counter-increment:steps}.steps li:before{content:counter(steps);position:absolute;left:0;top:2px;display:grid;place-items:center;width:25px;height:25px;border-radius:50%;background:#e5efe5;color:var(--green);font:12px 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@media(max-width:1050px){.navlinks{gap:20px}.hero{gap:28px;grid-template-columns:.95fr 1.1fr}.hero h1{font-size:45px}.hero-preview{transform:none}.preview-top>span:last-child{display:none}.preview-line{font-size:10px}.preview-line>span{padding:10px 7px}.preview-line i{width:20px}.article-grid{gap:30px;grid-template-columns:minmax(0,1fr) 230px}.tool-content{gap:30px}.diff-row{grid-template-columns:135px minmax(0,1fr) minmax(0,1fr)}.hero-foot{font-size:10px;gap:12px}.report-controls{flex-wrap:wrap}}
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@media(max-width:640px){.wrap{padding-left:18px;padding-right:18px}.nav{min-height:69px;flex-wrap:wrap;gap:0}.brand{font-size:21px}.brand-mark{font-size:17px}.nav-toggle{display:inline-flex;gap:9px;align-items:center;min-height:38px;border:1px solid var(--line);background:#fff;border-radius:5px;padding:7px 10px;font-size:12px}.navlinks{display:none;width:100%;padding:10px 0 18px;align-items:stretch;gap:0;flex-direction:column}.navlinks.is-open{display:flex}.navlinks>a,.nav-menu>summary{display:block;padding:12px 4px;font-size:14px}.nav-cta{display:none!important}.menu-panel{position:static;width:100%;max-width:none;box-shadow:none;grid-template-columns:1fr;gap:18px;padding:18px;margin:7px 0}.menu-panel a{font-size:13px;padding:9px 0}.menu-panel>div{border-bottom:1px solid var(--line);padding-bottom:10px}.menu-panel .menu-all{grid-column:auto}.hero{padding-top:38px;padding-bottom:34px;gap:32px}.hero h1{font-size:42px;letter-spacing:-1.8px;line-height:1.13}.hero p{font-size:15px;line-height:1.8}.hero-actions{margin-top:25px;gap:17px}.hero-actions .button{font-size:13px}.hero-actions .textlink{font-size:12px}.hero-foot{font-size:9px;gap:12px;flex-wrap:wrap}.preview-top{padding:14px 11px}.preview-top strong{font-size:10px}.preview-labels span{padding:10px 12px}.preview-line{font-size:9px}.preview-line>span{padding:9px 6px}.preview-line i{width:14px}.preview-bottom{font-size:9px;padding:13px 10px;gap:5px}.preview-bottom .minus{margin-left:7px}.trust{gap:16px;padding:23px 0}.trust strong{font-size:13px}.trust span{display:block;margin:3px 0 0;font-size:12px}.section{padding-top:36px}.section-head h2{font-size:26px}.section-head>.textlink{display:inline-block;margin-top:14px}.catalog-controls{margin:23px 0;gap:17px}.filter-group{gap:4px}.filter-group button{font-size:11px;padding:8px 10px}.searchbox{width:100%;margin-top:0}.searchbox input{width:100%}.grid{gap:14px}.tool-card{min-height:225px;padding:23px}.lesson-card{padding:23px}.lesson-card h3{font-size:20px}.note-band{padding:27px;margin-bottom:18px}.note-band h2{font-size:25px}.note-band .button{margin-top:22px}.footer{margin-top:35px;padding-top:32px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer nav{margin-top:0;gap:8px}.footer-grid nav:last-child{grid-column:1/-1;flex-direction:row;flex-wrap:wrap;gap:10px 20px}.footer-grid nav:last-child strong{width:100%}.copyright{font-size:9px;display:block;margin-top:23px}.copyright span{display:block;margin-top:8px}.page-head{padding:34px 0 25px}.page-head h1{font-size:33px;letter-spacing:-1.1px}.page-head p{font-size:14px}.choose-grid{grid-template-columns:1fr;gap:0;margin:30px 0}.choose-grid article{padding:22px 0}.breadcrumbs{font-size:10px;gap:7px;padding-top:20px}.tool-switch{gap:3px;padding:14px 0 12px}.tool-switch a{font-size:10px;padding:7px 9px}.tool-switch a:last-child{margin-left:0}.tool-head{display:block;padding:25px 0 23px}.tool-head h1{font-size:31px}.tool-head 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12px}.article-meta{font-size:10px;line-height:1.8}.article-files{padding:20px}.article-grid{padding-bottom:25px}.prose p,.prose li{font-size:14px;line-height:1.9}.prose h2{font-size:23px}.prose pre{font-size:11px;padding:16px}.tool-figure{margin:25px 0}.example-grid{grid-template-columns:1fr;gap:16px}.example-card{padding:23px}.example-card h2{font-size:22px}.example-card p{font-size:13px}.example-settings{font-size:10px}.example-links{gap:15px}.example-links .button{font-size:11px}.legal{padding-bottom:25px}.related{padding-top:25px}.related .grid{grid-template-columns:1fr}.empty{padding-top:55px;padding-bottom:55px}}
@media(prefers-reduced-motion:reduce){.hero-preview{transform:none}html{scroll-behavior:auto}}
@media print{@page{margin:16mm}body{background:#fff;color:#111;font:11pt/1.5 Arial,sans-serif}body:has(.print-report:not(:empty)) .header,body:has(.print-report:not(:empty)) .footer,body:has(.print-report:not(:empty)) .tool-page>*:not(.print-report),body:has(.print-report:not(:empty)) .skip{display:none!important}body:has(.print-report:not(:empty)) .print-report{display:block}.print-report h1{font-size:20pt}.print-report p{font-size:10pt}.print-report pre{white-space:pre-wrap;overflow-wrap:anywhere;font:9pt/1.6 Consolas,monospace}.wrap{max-width:none;padding:0}.print-report{width:100%}}
:root{color-scheme:light}
.navlinks{margin-left:auto}
.theme-toggle{display:inline-flex;align-items:center;justify-content:center;gap:7px;flex-shrink:0;min-height:40px;padding:8px 11px;border:1px solid var(--line);border-radius:6px;background:var(--paper);color:var(--ink);font-size:12px;font-weight:600;line-height:1.4}
.theme-toggle:hover{border-color:var(--green);color:var(--green)}
.theme-toggle:focus-visible{outline:2px solid var(--green)}
.theme-toggle svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.theme-sun{display:none}
[data-theme=dark] .theme-moon{display:none}
[data-theme=dark] .theme-sun{display:block}
@media(max-width:1050px){.nav{gap:16px}.navlinks{gap:18px}}
@media(max-width:800px){.theme-label{display:none}.theme-toggle{width:40px;padding:8px}}
@media(max-width:640px){.nav{gap:0}.theme-toggle{order:1;margin-left:auto;margin-right:10px}.nav-toggle{order:2}.navlinks{order:3;margin-left:0}}
@media screen{
  :root[data-theme=dark]{color-scheme:dark;--bg:#101a17;--paper:#17251f;--ink:#e5eee8;--muted:#acbeb3;--line:#344a3e;--green:#7bdcb2;--deep:#153d31;--mint:#203f31;--orange:#e9ac73;--red:#ffb4aa;--added:#193e2b;--removed:#482b2a;--changed:#44391e;--soft:#1c2d24;--hover:#274134}
  [data-theme=dark] :is(.header,.footer,.menu-panel,.hero-preview,.tool-card,.lesson-card,.search-empty,.workspace,.help-card,.example-card,.comparison-guide>div,.mobile-toc,.editor-head,.diff-row,.small-button,.secondary,.nav-toggle,.searchbox input,.tool-nav a,.options select,.options input[type=text],.report-controls select){background:var(--paper);color:var(--ink);border-color:var(--line)}
  [data-theme=dark] :is(.workspace-bar,.options,.preview-labels,.preview-blank,.card-tag,.editor textarea[readonly],.diff-label,.report-pagination,.table-scroll th,.table-scroll tbody tr:nth-child(even),.status,.example-settings,.nav-cta,.tool-switch a[aria-current=page],.steps li:before,.prose code){background:var(--soft)}
  [data-theme=dark] :is(.worked-case,.article-files,.verify-note){background:var(--soft);border-color:var(--line)}
  [data-theme=dark] :is(.small-button:hover,.secondary:hover,.filter-group button:hover,.tool-nav a:hover){background:var(--hover);color:var(--ink)}
  [data-theme=dark] :is(.filter-group [aria-pressed=true],.tool-nav a[aria-current=page]){background:#29583f;color:#e8fff2;border-color:#4d946c}
  [data-theme=dark] :is(.tool-card:hover,.lesson-card:hover){border-color:#71aa88}
  [data-theme=dark] .editor textarea{background:var(--paper);color:var(--ink)}
  [data-theme=dark] :is(input,select,textarea){color:var(--ink)}
  [data-theme=dark] ::placeholder{color:#91a69a;opacity:1}
  [data-theme=dark] .editor-foot{border-color:var(--line)}
  [data-theme=dark] :is(.input-editor.dragging,.input-editor.dragging textarea){background:var(--hover)}
  [data-theme=dark] :is(.prose p,.prose li,.tool-content p,.tool-content li){color:#c3d3c9}
  [data-theme=dark] :is(.preview-line i,.cell-caption,.not-present){color:var(--muted)}
  [data-theme=dark] .preview-line .added{color:#a1e6ba}
  [data-theme=dark] .icon{background:#244532;color:#9ce5bc}
  [data-theme=dark] .tool-card:nth-child(3n+2) .icon{background:#41391f;color:#edd18d}
  [data-theme=dark] .tool-card:nth-child(3n+3) .icon{background:#2c344d;color:#becbff}
  [data-theme=dark] .change-badge{background:var(--soft);color:var(--muted)}
  [data-theme=dark] :is(.change-badge.added,.status.success){background:var(--added);color:#a1e6ba}
  [data-theme=dark] :is(.change-badge.removed,.status.error){background:var(--removed);color:#ffc0b5}
  [data-theme=dark] :is(.change-badge.changed,.notice){background:var(--changed);color:#f2d994}
  [data-theme=dark] .button:not(.secondary){background:var(--green);border-color:var(--green);color:#10261c}
  [data-theme=dark] .button:not(.secondary):hover{background:#a0ebca;border-color:#a0ebca;color:#10261c}
  [data-theme=dark] .prose pre{background:#0b1510;color:#d8f0df;border:1px solid var(--line)}
  [data-theme=dark] .prose pre code{background:none;color:inherit}
  [data-theme=dark] .hero-preview{box-shadow:0 18px 38px #0003}
  [data-theme=dark] .menu-panel{box-shadow:0 16px 40px #0005}
}
@media print{.theme-toggle{display:none!important}:root{color-scheme:light}}