:root{--bg:#FFFFFF;--ink:#16203A;--muted:#5A6377;--line:#E3E6EE;--soft:#F3F5F9;--acc:#4338CA;--acc-soft:#ECEBFD;--mark:#FFE66D;--ok:#15803D;--ok-soft:#E3F4EA;--warn:#B4420F;--warn-soft:#FDEEE6;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#121620;--ink:#E7EAF2;--muted:#A0A8BC;--line:#2A3142;--soft:#1B2130;--acc:#A5A0FF;--acc-soft:#232250;--mark:rgba(255,214,0,.30);--ok:#5FD68F;--ok-soft:#163324;--warn:#FF9C6B;--warn-soft:#3A2218}}
:root[data-theme="dark"]{--bg:#121620;--ink:#E7EAF2;--muted:#A0A8BC;--line:#2A3142;--soft:#1B2130;--acc:#A5A0FF;--acc-soft:#232250;--mark:rgba(255,214,0,.30);--ok:#5FD68F;--ok-soft:#163324;--warn:#FF9C6B;--warn-soft:#3A2218}
html{scroll-padding-top:calc(env(safe-area-inset-top,0px) + 16px)}
*,*::before,*::after{box-sizing:inherit}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Literata",Georgia,serif;font-size:1.0625rem;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--acc)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--acc);outline-offset:2px;border-radius:4px}
.wrap{max-width:680px;margin:0 auto;padding:0 22px}
h1,h2,h3,h4{font-family:"Bricolage Grotesque",system-ui,sans-serif;line-height:1.15;margin:0}
h1{font-size:clamp(2.1rem,8.5vw,3.3rem);font-weight:800;letter-spacing:-.03em;margin:0 0 .45em}
h2{font-size:clamp(1.45rem,5vw,1.9rem);font-weight:800;letter-spacing:-.015em;margin:2.2em 0 .55em}
h3{font-size:1.15rem;font-weight:700;margin:1.6em 0 .4em}
p{margin:0 0 1.05em} ul,ol{padding-left:1.25em;margin:0 0 1.2em} li{margin:.35em 0} strong{font-weight:600}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88em;background:var(--soft);padding:.1em .35em;border-radius:5px}
pre{white-space:pre-wrap;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88rem;background:var(--soft);border-radius:12px;padding:14px 16px;overflow-x:auto;margin:0 0 1.2em}
.mt{background:linear-gradient(transparent 38%,var(--mark) 38%,var(--mark) 92%,transparent 92%);padding:0 .1em;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.muted{color:var(--muted)}
.top{display:flex;justify-content:space-between;align-items:center;padding:22px 0 0;font-family:"Bricolage Grotesque",sans-serif;font-weight:500;font-size:.95rem}
.top a{text-decoration:none;color:var(--muted)} .top a:hover{color:var(--acc)}
header.lesson{padding:34px 0 26px;border-bottom:1px solid var(--line)}
.kicker{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;color:var(--acc);margin-bottom:8px}
.oneline{font-size:1.2rem;color:var(--muted);margin:0}
.oneline strong{color:var(--ink)}
.box{border-radius:14px;padding:18px 20px;margin:1.6em 0;background:var(--soft)}
.box h3{margin-top:0}
.box>*:last-child{margin-bottom:0}
.box.acc{background:var(--acc-soft)} .box.ok{background:var(--ok-soft)} .box.warn{background:var(--warn-soft)}
.box.warn h3{color:var(--warn)} .box.ok h3{color:var(--ok)}
.label{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:6px;display:block}
.table-wrap{overflow-x:auto;margin:1.3em 0;border:1px solid var(--line);border-radius:12px}
table{border-collapse:collapse;width:100%;min-width:480px;font-size:.95rem}
th,td{text-align:left;padding:10px 13px;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child td{border-bottom:0}
th{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;background:var(--soft)}
.stack{display:grid;gap:10px;margin:1.4em 0}
.stack>div{border-radius:14px;padding:14px 16px;border:2px solid var(--line)}
.stack b{font-family:"Bricolage Grotesque",sans-serif;font-size:1.15rem;display:block}
.steps{list-style:none;padding:0;counter-reset:s}
.steps>li{counter-increment:s;position:relative;padding:0 0 16px 50px;margin:0}
.steps>li::before{content:counter(s);position:absolute;left:0;top:0;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-family:"Bricolage Grotesque",sans-serif;font-weight:800;background:var(--acc);color:var(--bg)}
.steps>li::after{content:"";position:absolute;left:16px;top:38px;bottom:4px;width:2px;background:var(--line)}
.steps>li:last-child::after{display:none}
.steps h4{font-size:1.02rem;margin:.3em 0 .25em}
.prompt-block{margin:1.1em 0 1.6em}
.prompt-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px}
.prompt-head span{font-family:"Bricolage Grotesque",sans-serif;font-weight:700}
.prompt{white-space:pre-wrap;font-family:"Literata",serif;font-size:.97rem;line-height:1.6;background:var(--soft);border-left:4px solid var(--acc);border-radius:0 12px 12px 0;padding:14px 16px;margin:0}
.copy{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:.88rem;border:1.5px solid var(--ink);background:transparent;color:var(--ink);border-radius:999px;padding:6px 14px;cursor:pointer;flex-shrink:0}
.copy.ok{background:var(--ok);border-color:var(--ok);color:var(--bg)}
details.q{border:1.5px solid var(--line);border-radius:12px;margin:10px 0;padding:0 16px}
details.q summary{cursor:pointer;padding:13px 0;font-family:"Bricolage Grotesque",sans-serif;font-weight:700;list-style:none}
details.q summary::-webkit-details-marker{display:none}
details.q summary::after{content:"ver resposta";float:right;font-weight:500;font-size:.85rem;color:var(--acc)}
details.q[open] summary::after{content:"esconder"}
details.q>div{padding:0 0 14px}
.done{display:flex;align-items:center;gap:12px;margin:2.4em 0 0;padding:16px 18px;border-radius:14px;background:var(--soft);font-family:"Bricolage Grotesque",sans-serif;font-weight:700;cursor:pointer;border:2px solid transparent;width:100%;font-size:1rem;color:var(--ink);text-align:left}
.done i{width:26px;height:26px;border-radius:8px;border:2px solid var(--muted);display:grid;place-items:center;font-style:normal;flex-shrink:0}
.done.on{background:var(--ok-soft);border-color:var(--ok)} .done.on i{background:var(--ok);border-color:var(--ok);color:var(--bg)}
nav.pn{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:22px 0 0}
nav.pn a{display:block;text-decoration:none;border:1.5px solid var(--line);border-radius:14px;padding:12px 14px;color:var(--ink)}
nav.pn a small{display:block;color:var(--muted);font-family:"Bricolage Grotesque",sans-serif}
nav.pn a b{font-family:"Bricolage Grotesque",sans-serif}
nav.pn .next{text-align:right;grid-column:2}
footer{padding:44px 0 70px;color:var(--muted);font-size:.93rem}
.cards{list-style:none;padding:0;margin:1.4em 0;display:grid;gap:12px}
.cards li{margin:0}
.cards a{display:grid;grid-template-columns:44px 1fr 28px;gap:12px;align-items:center;text-decoration:none;color:var(--ink);border:1.5px solid var(--line);border-radius:16px;padding:14px}
.cards a:hover{border-color:var(--acc)}
.cards .n{width:44px;height:44px;border-radius:12px;background:var(--acc-soft);color:var(--acc);display:grid;place-items:center;font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:1.2rem}
.cards b{font-family:"Bricolage Grotesque",sans-serif;font-size:1.08rem;display:block;line-height:1.25}
.cards small{color:var(--muted);display:block;line-height:1.4;margin-top:2px}
.cards .ck{width:26px;height:26px;border-radius:8px;border:2px solid var(--line);display:grid;place-items:center;font-size:.9rem}
.cards .ck.on{background:var(--ok);border-color:var(--ok);color:var(--bg)}
.bar{height:10px;border-radius:99px;background:var(--soft);overflow:hidden;margin:6px 0 4px}
.bar span{display:block;height:100%;width:0;background:var(--ok);transition:width .4s}