@import url('./tokens.css');
.triage-panel,.exercise-panel{padding:24px;border:1px solid var(--purple-line);border-radius:12px;background:var(--surface);margin:20px 0 28px}.triage-panel>label,.triage-panel #triage-questions>label{display:block;font-size:13px;font-weight:650;margin-top:14px}.triage-panel select{max-width:560px;margin-bottom:10px}.triage-panel h2{margin-top:0}.context-guidance{border-top:1px solid var(--line);margin-top:25px;padding-top:10px}.context-section{padding:15px 0;border-bottom:1px solid var(--line)}.context-section h4{margin:0 0 8px}.context-section ul{padding-left:20px;margin:8px 0;font-size:13px;color:var(--muted)}.exercise-panel fieldset{border:0;padding:0;margin:24px 0 16px;min-width:0}.exercise-panel legend{font-weight:650;font-size:14px;margin-bottom:12px}.answer-option{display:flex;align-items:flex-start;gap:10px;border:1px solid var(--line);border-radius:8px;padding:12px;margin:8px 0;font-size:13px;cursor:pointer}.answer-option input{margin-top:4px;accent-color:var(--purple);flex-shrink:0}.answer-option:has(input:checked){border-color:var(--purple);background:var(--tint)}.exercise-panel>p.small{margin-top:18px}.result-card>h3{margin-top:12px}.context-grid>div>label{display:block}.small-button-row{display:flex;gap:10px;flex-wrap:wrap}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}a{color:inherit;text-decoration:none}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}button,input,select,textarea{border:1px solid var(--line);border-radius:9px}button{color:var(--text);background:var(--surface);padding:9px 14px}button:hover{border-color:var(--purple)}a:hover{color:var(--purple)}:focus-visible{outline:3px solid var(--purple);outline-offset:4px}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3{line-height:1.2;letter-spacing:-.035em}h1{font-size:clamp(34px,4vw,57px);font-weight:750}h2{font-size:28px}h3{font-size:19px}h4{font-size:15px}p{color:var(--muted)}.header{max-width:1450px;margin:auto;padding:24px 5%;display:flex;align-items:center;gap:30px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:11px;font-size:21px;font-weight:800;letter-spacing:-.8px;line-height:1.2}.brand-wordmark-svg{height:38px;width:auto;max-width:235px;display:block;transition:transform .2s ease}.brand:hover .brand-wordmark-svg{transform:scale(1.02)}.brand-soft{font-weight:400;color:var(--purple)}.brand small{display:block;font-size:8px;letter-spacing:1.4px;margin-top:6px;color:var(--muted);font-weight:600}.header nav{display:flex;gap:27px;margin-left:auto;font-size:13px;font-weight:600}.header nav a{padding:8px 0;border-bottom:2px solid transparent;white-space:nowrap}.header nav a.active{color:var(--purple);border-color:var(--purple)}.header-tools{display:flex;gap:8px}.icon-btn{padding:4px;width:34px;height:34px;font-size:23px;line-height:1}.subbar{padding:11px 5%;max-width:1450px;margin:auto;display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:11px}.status-dot{display:inline-block;width:6px;height:6px;background:var(--green);border-radius:50%;margin-right:7px}.mode-control{display:flex;gap:3px;background:var(--tint);padding:3px;border:1px solid var(--line);border-radius:8px}.mode-control button{border:0;border-radius:5px;font-size:11px;padding:4px 12px;background:transparent}.mode-control button[aria-pressed=true]{background:var(--surface);box-shadow:0 1px 4px #0001;color:var(--purple)}main{max-width:1220px;margin:0 auto;padding:0 32px 70px;min-height:65vh}.eyebrow{font-size:10px;letter-spacing:1.7px;text-transform:uppercase;font-weight:750;color:var(--purple);display:flex;align-items:center;gap:8px;margin-bottom:20px}.pill{display:inline-block;font-size:10px;font-weight:650;letter-spacing:.3px;padding:4px 9px;border-radius:5px;background:var(--tint);color:var(--purple)}.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:65px;padding:62px 0 46px;align-items:center}.hero h1{margin-bottom:20px}.hero h1 em{font-style:normal;color:var(--purple)}.hero p{max-width:470px;font-size:15px;line-height:1.8}.hero-actions{display:flex;gap:12px;margin:26px 0 18px}.button{display:inline-flex;gap:12px;align-items:center;justify-content:center;padding:12px 20px;font-size:13px;font-weight:650;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.button.primary{color:#fff;background:var(--purple);border-color:var(--purple)}.button.primary:hover{background:var(--purple-hover);color:#fff}.button.secondary{background:var(--surface)}.button.small{padding:8px 13px;font-size:12px}.tiny-note{font-size:11px;color:var(--muted)}.hero-demo{background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:0 15px 45px #25214b08;transform:rotate(1deg);overflow:hidden}.window-head{display:flex;align-items:center;gap:5px;padding:13px 16px;border-bottom:1px solid var(--line);font-size:10px;color:var(--muted)}.window-head i{width:6px;height:6px;border-radius:50%;background:var(--line)}.window-head i:first-child{background:#eab0ae}.window-head i:nth-child(2){background:#e4ce8c}.window-head i:nth-child(3){background:#a6cbb3}.window-head span{margin-left:8px}.demo-body{padding:23px}.demo-caption{font-size:10px;color:var(--muted);margin-bottom:15px;letter-spacing:.4px}.demo-resource{font:12px/1.9 var(--mono);padding-bottom:16px}.code-add{color:var(--green)}.code-change{color:var(--amber)}.code-comment{color:var(--muted)}.plan-summary{display:flex;gap:15px;flex-wrap:wrap;font-size:11px;padding:12px 0;border-top:1px solid var(--line)}.demo-note{margin:7px 0 0;display:flex;gap:10px;border-radius:7px;background:var(--green-tint);color:var(--green);padding:11px 12px;font-size:11px}.search-banner{display:flex;align-items:center;gap:13px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:15px 20px;width:100%;text-align:left;color:var(--muted);font-size:13px}.search-banner .search-icon{font-size:25px;line-height:1;color:var(--purple)}.key{margin-left:auto;border:1px solid var(--line);border-radius:4px;padding:1px 6px;font-size:10px}.section{margin-top:45px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:20px}.section-heading h2{font-size:23px;margin-bottom:5px}.section-heading p{font-size:12px;margin:0}.text-link{font-size:12px;color:var(--purple);font-weight:650;white-space:nowrap}.problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.problem-card{padding:18px;border:1px solid var(--line);border-radius:10px;background:var(--surface);display:flex;gap:12px;align-items:center;transition:transform .15s,border-color .15s}.problem-card:hover{border-color:var(--purple);transform:translateY(-2px)}.problem-card h3{font-size:13px;letter-spacing:-.01em;margin:0 0 4px}.problem-card p{font-size:11px;margin:0}.problem-icon{display:grid;place-items:center;background:var(--tint);color:var(--purple);border-radius:8px;width:34px;height:34px;flex-shrink:0;font:19px var(--mono)}.arrow{margin-left:auto;color:var(--muted);font-size:17px}.learning-banner{display:grid;grid-template-columns:1.1fr 1fr;gap:35px;border:1px solid var(--purple-line);border-radius:12px;background:var(--tint);padding:28px 30px;margin-top:32px;align-items:center}.learning-banner h2{font-size:22px;margin-bottom:8px}.learning-banner p{font-size:12px;max-width:440px;margin-bottom:17px}.mini-model{display:grid;grid-template-columns:1fr 1fr;gap:9px}.mini-node{padding:12px;border:1px solid var(--purple-line);background:var(--surface);border-radius:7px;font-size:11px;font-weight:650}.mini-node small{display:block;color:var(--muted);font-size:10px;font-weight:400}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:var(--surface);border:1px solid var(--line);border-radius:11px;padding:22px;display:flex;flex-direction:column;align-items:flex-start}.card h3{margin:13px 0 9px;font-size:18px}.card p{font-size:13px;margin-bottom:18px}.card .text-link{margin-top:auto}.card:hover{border-color:var(--purple-line)}.card-number{font:11px var(--mono);color:var(--purple)}.page-head{padding:45px 0 25px;max-width:770px}.page-head h1{font-size:40px;margin:15px 0}.page-head p{font-size:15px;margin-bottom:0}.breadcrumb{font-size:12px;color:var(--muted);margin-top:28px}.breadcrumb a{color:var(--purple)}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:45px}.article{max-width:800px;min-width:0;overflow-wrap:anywhere}.article h2{font-size:24px;margin:34px 0 13px}.article h3{margin:26px 0 10px}.article p,.article li{font-size:14px}.article li{margin:8px 0;color:var(--muted)}.article ul,.article ol{padding-left:22px}.article a:not(.button){color:var(--purple);text-decoration:underline;text-underline-offset:3px}.callout{padding:16px 18px;background:var(--tint);border:1px solid var(--purple-line);border-left:3px solid var(--purple);border-radius:8px;font-size:13px;color:var(--text);margin:20px 0}.callout p{font-size:13px;margin:5px 0 0}.callout.warning{background:var(--amber-tint);border-color:var(--amber-line);border-left-color:var(--amber)}.callout.success{background:var(--green-tint);border-color:var(--green-line);border-left-color:var(--green)}.aside{margin-top:20px}.aside-inner{position:sticky;top:20px;border:1px solid var(--line);border-radius:10px;padding:20px;background:var(--surface);font-size:12px}.aside h3{font-size:13px;letter-spacing:0}.aside a{display:block;color:var(--purple);margin:10px 0}.aside p{font-size:12px}.aside .button{display:flex}.meta{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 20px}.command{border:1px solid var(--line);border-radius:9px;overflow:hidden;margin:14px 0;background:var(--code)}.command-head{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:var(--muted);padding:8px 13px;border-bottom:1px solid var(--line);gap:12px}.command-head button{font-size:10px;padding:3px 9px;background:var(--surface);white-space:nowrap;overflow-wrap:normal;flex-shrink:0}pre{white-space:pre-wrap;overflow-wrap:anywhere;padding:18px;margin:0;font:12px/1.85 var(--mono);color:var(--text)}code{font: .9em var(--mono);background:var(--tint);padding:2px 4px;border-radius:3px}.command pre code{background:none;padding:0;font:inherit}.command-foot{border-top:1px solid var(--line);padding:10px 13px;font-size:11px;color:var(--muted)}details{border:1px solid var(--line);border-radius:8px;padding:14px 17px;margin:20px 0;background:var(--surface)}summary{cursor:pointer;font-size:13px;font-weight:650}details p{margin-top:12px;margin-bottom:0}.advanced-only{display:none}[data-mode=advanced] .advanced-only{display:block}.filter-row{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0}.filter-row button{font-size:12px;padding:7px 13px}.filter-row button.active{color:var(--purple);background:var(--tint);border-color:var(--purple-line)}.analyser{border:1px solid var(--purple-line);border-radius:12px;background:var(--surface);padding:25px;margin-bottom:30px}.analyser h2{font-size:22px;margin-bottom:8px}.analyser p{font-size:12px}.analyser textarea{display:block;width:100%;height:155px;resize:vertical;background:var(--code);color:var(--text);padding:15px;font:12px/1.7 var(--mono)}.analyser-actions{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:13px}.sample-buttons{display:flex;gap:6px;flex-wrap:wrap}.sample-buttons button{padding:6px 10px;font-size:11px}.context-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin:17px 0}.context-grid label{font-size:11px;color:var(--muted)}select{width:100%;background:var(--surface);color:var(--text);padding:8px;margin-top:4px}.result-card{margin-top:14px;padding:17px;border:1px solid var(--line);border-radius:8px}.result-card h3{font-size:17px;margin:0 0 9px}.result-card blockquote{margin:10px 0;padding:8px 12px;border-left:2px solid var(--purple);background:var(--code);font:11px/1.6 var(--mono);overflow-wrap:anywhere}.result-card p{font-size:12px}.section-divider{border:0;border-top:1px solid var(--line);margin:35px 0}.simulator{border:1px solid var(--purple-line);border-radius:12px;padding:24px;background:var(--surface);margin:23px 0}.simulator h3{margin-top:0}.sim-buttons{display:flex;gap:8px;flex-wrap:wrap;margin:17px 0}.sim-buttons button{font-size:11px}.sim-buttons button[aria-pressed=true]{background:var(--tint);color:var(--purple);border-color:var(--purple-line)}.sim-zones{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.sim-zone{padding:14px;background:var(--bg);border:1px solid var(--line);border-radius:8px;font-size:12px}.sim-zone b{font-size:10px;text-transform:uppercase;letter-spacing:1px;display:block;color:var(--purple);margin-bottom:7px}.sim-zone code{font-size:10px}.progress-track{height:4px;background:var(--line);border-radius:3px;margin:10px 0 6px}.progress-fill{height:100%;background:var(--purple);border-radius:3px}.lesson-next{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);padding-top:25px;margin-top:35px}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:12px;margin:20px 0}th,td{text-align:left;vertical-align:top;padding:13px;border-bottom:1px solid var(--line)}th{background:var(--tint);font-weight:650}td{color:var(--muted)}footer{border-top:1px solid var(--line);padding:25px 5%;display:flex;gap:25px;align-items:center;max-width:1450px;margin:auto;font-size:10px;color:var(--muted)}footer p{margin:0;max-width:260px}.footer-brand{font-size:16px;font-weight:750;letter-spacing:-.5px;color:var(--text)}.footer-brand span{color:var(--purple);font-weight:400}footer>div{display:flex;gap:20px;margin-left:auto}dialog{color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:15px;padding:25px;width:600px;max-width:calc(100% - 30px);max-height:85vh;box-shadow:0 20px 80px #0003}dialog::backdrop{background:#17152670;backdrop-filter:blur(3px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.dialog-head h2{font-size:21px;margin:0}dialog input{width:100%;padding:13px 15px;background:var(--bg);color:var(--text)}.search-result{display:block;padding:13px 5px;border-bottom:1px solid var(--line)}.search-result b{font-size:13px}.search-result small{display:block;color:var(--muted);font-size:11px}.muted{color:var(--muted)}.small{font-size:12px}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);padding:10px 20px;border:1px solid var(--line);border-radius:8px;background:var(--text);color:var(--surface);font-size:12px;z-index:20}.toast:not(.visible){clip-path:inset(50%);width:1px;height:1px;overflow:hidden;padding:0;border:0;white-space:nowrap}.toast.visible{display:block}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip-link{position:absolute;top:-100px;left:20px;padding:10px;background:var(--surface);z-index:100}.skip-link:focus{top:10px}.empty-state{padding:35px;border:1px dashed var(--line);border-radius:10px;color:var(--muted)}.reading-time{font-size:11px;color:var(--muted)}.choice-panel{border:1px solid var(--line);border-radius:9px;padding:19px;margin:15px 0;background:var(--surface)}.choice-panel label{display:block;font-size:13px;font-weight:650}.choice-panel select{max-width:420px}.check-list{list-style:none;padding:0!important}.check-list li{border-bottom:1px solid var(--line);padding:10px 0}.check-list input{margin-right:9px;accent-color:var(--purple)}
@media(max-width:1000px){.header{gap:15px;padding:20px 4%}.header nav{gap:17px;font-size:12px}.brand{font-size:18px}.hero{gap:30px}.article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:25px}.cards{grid-template-columns:repeat(2,1fr)}footer{flex-wrap:wrap}footer>div{margin-left:0}}
@media(max-width:750px){.header{flex-wrap:wrap;padding:18px 22px;gap:15px}.header-tools{margin-left:auto}.header nav{order:3;width:100%;overflow:visible;margin:0;gap:12px;justify-content:space-between;flex-wrap:wrap}.brand{font-size:20px}.subbar{padding:10px 22px;gap:15px}.subbar>span{font-size:10px;max-width:190px}.mode-control button{padding:4px 8px}main{padding:0 22px 45px}.hero{grid-template-columns:1fr;gap:27px;padding:37px 0 30px}.hero h1{font-size:43px;max-width:480px}.hero p{max-width:500px}.hero-demo{transform:none}.hero-actions .button{flex:1}.hero-demo .demo-body{padding:19px}.problem-grid{grid-template-columns:repeat(2,1fr)}.problem-card{padding:14px;gap:10px}.problem-card h3{font-size:12px}.problem-card p{font-size:10px}.problem-icon{width:28px;height:28px;font-size:16px}.problem-card .arrow{display:none}.learning-banner{grid-template-columns:1fr;padding:23px;gap:20px}.section{margin-top:32px}.section-heading h2{font-size:21px}.section-heading{align-items:center}.section-heading p{font-size:11px}.cards{grid-template-columns:1fr 1fr;gap:12px}.card{padding:17px}.card h3{font-size:16px}.card p{font-size:12px}.article-layout{display:flex;flex-direction:column;gap:15px}.aside{margin-top:0}.aside-inner{position:static}.page-head{padding:30px 0 20px}.page-head h1{font-size:34px}.context-grid{grid-template-columns:1fr}.sim-zones{grid-template-columns:1fr}.sim-zone{display:flex;justify-content:space-between;gap:10px}.sim-zone b{margin:0}.analyser{padding:19px}.simulator{padding:18px}.lesson-next{flex-wrap:wrap}.section-heading .text-link{font-size:10px}footer{padding:22px;gap:13px}footer>div{flex-wrap:wrap;gap:14px}.key{display:none}}
@media(max-width:420px){.hero h1{font-size:37px}.cards{grid-template-columns:1fr}.problem-grid{grid-template-columns:1fr}.problem-card p{font-size:11px}.hero-actions{flex-direction:column}.subbar>span{max-width:155px}.brand{font-size:18px}.brand img{width:29px;height:29px}.brand-wordmark-svg{height:32px;max-width:200px}.header nav{gap:8px}.section-heading{align-items:flex-start}.plan-summary{gap:10px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}