:root{--ink:#1b0b2a;--mint:#5fae95;--mint-d:#3f8f76;--mint-bg:#e8f6f1;--peach:#ffb28a;--coral:#ef5f4b;--sun:#f9c846;--indigo:#5558e8;--line:#e3e7ee;--muted:#586075;--bg:#fff;--surface:#f5f7fb;--r:14px;--sh:0 10px 30px -12px rgba(27,11,42,.25);color-scheme:light}
*{box-sizing:border-box;margin:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Poppins',system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px;overflow-x:hidden}
img,svg{max-width:100%;display:block}a{color:inherit}button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--indigo);outline-offset:2px;border-radius:6px}
.ic{width:1.25em;height:1.25em;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.wrap{width:min(1180px,100% - 2.5rem);margin-inline:auto}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em}h1{font-size:clamp(2.2rem,5.5vw,4rem);font-weight:800}h2{font-size:clamp(1.7rem,3.6vw,2.6rem);font-weight:700}h3{font-size:1.15rem;font-weight:600}
.lead{font-size:1.1rem;color:var(--muted);max-width:56ch}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.8rem 1.4rem;border-radius:999px;border:2px solid var(--ink);background:var(--ink);color:#fff;font-weight:600;text-decoration:none;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{transform:translateY(-2px);box-shadow:var(--sh)}.btn:disabled{opacity:.6;cursor:wait;transform:none}
.btn.alt{background:#fff;color:var(--ink)}.btn.mint{background:var(--mint);border-color:var(--mint);color:#06281e}.btn.sm{padding:.45rem .9rem;font-size:.875rem}.btn.danger{background:#fff;border-color:var(--coral);color:var(--coral)}
/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:1rem}.nav img{height:44px;width:auto}
.nav ul{display:flex;gap:1.6rem;list-style:none;padding:0}.nav ul a{text-decoration:none;font-weight:500;font-size:.95rem}.nav ul a:hover{color:var(--mint-d)}
.nav .acts{display:flex;gap:.6rem}.burger{display:none;background:none;border:0;padding:.4rem;cursor:pointer}
@media(max-width:860px){.burger{display:block}.nav ul{position:absolute;inset:68px 0 auto 0;background:#fff;flex-direction:column;padding:1rem 1.5rem;gap:1rem;border-bottom:1px solid var(--line);display:none}.nav ul.open{display:flex}.nav .acts .alt{display:none}}
/* hero */
.hero{padding:clamp(2.5rem,6vw,5rem) 0;background:radial-gradient(900px 400px at 85% 0,var(--mint-bg),transparent 70%)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:2.5rem;align-items:center}
.hero h1 em{font-style:normal;background:linear-gradient(transparent 62%,var(--sun) 62%)}
.hero .cta{display:flex;gap:.8rem;flex-wrap:wrap;margin:1.8rem 0 1.2rem}.pills{display:flex;gap:.5rem;flex-wrap:wrap}.pill{font-size:.8rem;padding:.25rem .7rem;border-radius:99px;background:#fff;border:1px solid var(--line);display:inline-flex;gap:.4rem;align-items:center}
.stage{position:relative;min-height:420px}.stage .code{position:absolute;left:0;top:10px;width:min(100%,430px);z-index:2}.stage .photo{position:absolute;right:0;bottom:0;width:62%;border-radius:28px;background:var(--mint-bg)}
.code{background:var(--ink);color:#e9e4f2;border-radius:var(--r);box-shadow:var(--sh);font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.85rem;overflow:hidden}
.code header{display:flex;gap:.4rem;padding:.7rem .9rem;background:#2a1640}.code header i{width:11px;height:11px;border-radius:50%;background:var(--coral)}.code header i:nth-child(2){background:var(--sun)}.code header i:nth-child(3){background:var(--mint)}
.code pre{padding:1rem 1.1rem;white-space:pre-wrap;min-height:150px}.k{color:#ff9d7e}.s{color:#8be0c0}.f{color:#ffd76a}.caret{display:inline-block;width:8px;height:1em;background:#fff;vertical-align:-2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr}.stage{min-height:360px}}
/* sections */
section{padding:clamp(3rem,7vw,5.5rem) 0}.head{max-width:62ch;margin-bottom:2.4rem}.head p{color:var(--muted);margin-top:.8rem}
.tracks{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.1rem}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1.4rem;transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-4px);box-shadow:var(--sh)}
.chip{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;margin-bottom:1rem;color:#fff;font-size:1.3rem}.card p{color:var(--muted);font-size:.93rem;margin-top:.4rem}
.split{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}.split.rev .media{order:-1}.media img{margin-inline:auto;max-height:440px;width:auto}
@media(max-width:860px){.split{grid-template-columns:1fr}.split.rev .media{order:0}}
.list{list-style:none;padding:0;display:grid;gap:.8rem;margin-top:1.4rem}.list li{display:flex;gap:.7rem;align-items:flex-start}.list .ic{color:var(--mint-d);margin-top:.3rem}
.band{background:var(--surface)}.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:1.2rem;counter-reset:s}.steps .card{counter-increment:s;position:relative}.steps .card::before{content:counter(s);position:absolute;top:-14px;left:1.2rem;background:var(--ink);color:#fff;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:.85rem}
.ring{width:min(280px,70vw);aspect-ratio:1;border-radius:50%;padding:8px;background:conic-gradient(var(--mint),var(--sun),var(--coral),var(--indigo),var(--mint));margin-inline:auto}.ring img{width:100%;height:100%;border-radius:50%;object-fit:cover;border:6px solid #fff}
.founder{display:grid;grid-template-columns:auto 1fr;gap:2.5rem;align-items:center}@media(max-width:700px){.founder{grid-template-columns:1fr;text-align:center}}
.sec-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}
details{border:1px solid var(--line);border-radius:var(--r);padding:1rem 1.2rem;background:#fff}details+details{margin-top:.7rem}summary{cursor:pointer;font-weight:600}details p{color:var(--muted);margin-top:.6rem}
.cta-box{background:var(--ink);color:#fff;border-radius:28px;padding:clamp(2rem,5vw,3.5rem);text-align:center}.cta-box p{color:#cfc6dc;margin:.8rem auto 1.6rem;max-width:50ch}.cta-box .btn{background:var(--sun);border-color:var(--sun);color:var(--ink)}
footer{border-top:1px solid var(--line);padding:2rem 0;color:var(--muted);font-size:.9rem}footer .wrap{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;align-items:center}footer img{height:38px;width:auto}
.rv{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}.rv.in{opacity:1;transform:none}
@keyframes bob{50%{transform:translateY(-8px)}}.bob{animation:bob 4s ease-in-out infinite}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}}
/* auth */
.auth{min-height:100vh;display:grid;grid-template-columns:1fr 1.1fr}.auth aside{background:linear-gradient(160deg,var(--ink),#3a1a5c);color:#fff;padding:2.5rem;display:flex;flex-direction:column;justify-content:space-between;gap:2rem}.auth aside img.lg{height:48px;width:auto;background:#fff;padding:6px 12px;border-radius:12px}.auth aside .art{max-height:300px;margin-inline:auto;width:auto}
.auth main{padding:2rem clamp(1.2rem,5vw,4rem);display:flex;align-items:center;justify-content:center}.auth form,.auth .box{width:min(520px,100%)}
@media(max-width:860px){.auth{grid-template-columns:1fr}.auth aside{display:none}}
.field{display:grid;gap:.35rem;margin-bottom:1rem}.field label{font-weight:600;font-size:.9rem}.field input,.field select,.field textarea{padding:.8rem .95rem;border:1.5px solid var(--line);border-radius:12px;background:#fff;width:100%}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--indigo);outline:none;box-shadow:0 0 0 3px rgba(85,88,232,.18)}
.field input[readonly]{background:var(--surface);color:var(--muted)}.hint{font-size:.8rem;color:var(--muted)}.row2{display:grid;grid-template-columns:1fr 1fr;gap:.9rem}@media(max-width:560px){.row2{grid-template-columns:1fr}}
.seg{display:grid;grid-template-columns:1fr 1fr;background:var(--surface);padding:5px;border-radius:14px;margin-bottom:1.4rem}.seg button{border:0;background:none;padding:.65rem;border-radius:10px;font-weight:600;cursor:pointer;display:flex;gap:.5rem;justify-content:center;align-items:center}.seg button[aria-pressed=true]{background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.1)}
.alert{padding:.8rem 1rem;border-radius:12px;font-size:.92rem;margin-bottom:1rem}.alert.err{background:#fdecea;color:#8c1d10}.alert.ok{background:var(--mint-bg);color:#14513f}.alert.info{background:#eef0ff;color:#2b2e9c}
.avatar-pick{display:flex;align-items:center;gap:1rem;margin-bottom:1rem}.avatar-pick .pv{width:76px;height:76px;border-radius:50%;background:var(--surface);border:2px dashed var(--line);display:grid;place-items:center;overflow:hidden;color:var(--muted)}.avatar-pick img{width:100%;height:100%;object-fit:cover}
.spin{width:1em;height:1em;border:2.5px solid currentColor;border-right-color:transparent;border-radius:50%;animation:sp .7s linear infinite;display:inline-block}@keyframes sp{to{transform:rotate(360deg)}}
.hp{position:absolute;left:-9999px;opacity:0}
/* app shell */
.app{display:grid;grid-template-columns:272px 1fr;min-height:100vh;background:var(--surface)}
.side{background:#fff;border-right:1px solid var(--line);padding:1.2rem 1rem;position:sticky;top:0;height:100vh;overflow-y:auto;display:flex;flex-direction:column;gap:1rem}
.side .brand img{height:40px;width:auto}.me{display:flex;gap:.8rem;align-items:center;padding:.6rem;border-radius:14px;background:var(--surface)}.me img,.me .ph{width:46px;height:46px;border-radius:50%;object-fit:cover;background:var(--mint);display:grid;place-items:center;color:#fff;font-weight:700;flex:none}.me b{display:block;font-size:.92rem;line-height:1.2}.me small{color:var(--muted)}
.nv{display:grid;gap:.2rem}.nv a{display:flex;align-items:center;gap:.85rem;padding:.7rem .8rem;border-radius:12px;text-decoration:none;font-weight:500;color:var(--muted)}.nv a:hover{background:var(--surface)}.nv a[aria-current=page]{background:var(--mint-bg);color:#14513f;font-weight:600}
.nv .bd{margin-left:auto;font-size:.75rem;border:1px solid var(--line);border-radius:99px;padding:0 .55rem;background:#fff}
.side .out{margin-top:auto}.top{display:none}
.main{padding:1.6rem clamp(1rem,3vw,2.2rem) 3rem;min-width:0}.main>h1{font-size:1.7rem;margin-bottom:1.2rem}
@media(max-width:900px){.app{grid-template-columns:1fr}.side{position:fixed;inset:0 auto 0 0;width:280px;z-index:80;transform:translateX(-102%);transition:transform .25s;box-shadow:var(--sh)}.side.open{transform:none}.top{display:flex;align-items:center;gap:.8rem;padding:.7rem 1rem;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}.top button{background:none;border:0;padding:.3rem}.top img{height:34px;width:auto}.scrim{position:fixed;inset:0;background:rgba(27,11,42,.45);z-index:70}}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.6rem}.stat{border-radius:var(--r);padding:1.2rem 1.3rem;color:#fff;display:flex;align-items:center;gap:1rem}.stat .ic{width:2.2rem;height:2.2rem;opacity:.95}.stat b{font-size:1.9rem;line-height:1;display:block}.stat span{font-size:.88rem;opacity:.95}
.s1{background:#f6a93b}.s2{background:#45bf6c}.s3{background:#f2606a}.s4{background:#2563eb}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1.2rem 1.3rem;margin-bottom:1.2rem}.panel h2{font-size:1.15rem;margin-bottom:.9rem;display:flex;justify-content:space-between;align-items:center;gap:.6rem;flex-wrap:wrap}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem}.cc{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;display:flex;flex-direction:column}.cc .cv{height:84px;display:grid;place-items:center;color:#fff}.cc .cv .ic{width:2.4rem;height:2.4rem}.cc .bd2{padding:1rem;display:flex;flex-direction:column;gap:.5rem;flex:1}.cc .bd2 p{font-size:.88rem;color:var(--muted)}.cc .ft{margin-top:auto;display:flex;gap:.5rem;flex-wrap:wrap}
.tag{font-size:.72rem;padding:.1rem .6rem;border-radius:99px;background:var(--surface);border:1px solid var(--line);display:inline-block}.tag.g{background:var(--mint-bg);border-color:#bfe5d8}.tag.y{background:#fff6d6;border-color:#f3dd8b}
.bar{height:8px;background:var(--surface);border-radius:9px;overflow:hidden}.bar i{display:block;height:100%;background:var(--mint);border-radius:9px}
.tbl{width:100%;border-collapse:collapse;font-size:.92rem}.tbl th,.tbl td{text-align:left;padding:.65rem .5rem;border-bottom:1px solid var(--line)}.tbl-w{overflow-x:auto}
.empty{text-align:center;color:var(--muted);padding:2rem 1rem}
.two{display:grid;grid-template-columns:300px 1fr;gap:1.2rem;align-items:start}@media(max-width:900px){.two{grid-template-columns:1fr}}
.ls{list-style:none;padding:0;display:grid;gap:.3rem}.ls li button,.ls li a{width:100%;display:flex;gap:.6rem;align-items:center;text-align:left;padding:.6rem .7rem;border-radius:10px;border:0;background:none;cursor:pointer;text-decoration:none;font-size:.92rem}.ls li[aria-current=true] button,.ls li button:hover{background:var(--mint-bg)}.ls .done{color:var(--mint-d)}
.md{overflow-wrap:anywhere}.md h1,.md h2,.md h3{margin:1.2rem 0 .5rem}.md p,.md ul,.md ol{margin:.6rem 0}.md ul,.md ol{padding-left:1.4rem}.md pre{background:var(--ink);color:#eee;padding:1rem;border-radius:12px;overflow-x:auto;font-size:.85rem}.md code{background:var(--surface);padding:.1rem .35rem;border-radius:6px;font-size:.88em}.md pre code{background:none;padding:0}.md img{border-radius:12px;margin:.8rem 0}.md blockquote{border-left:4px solid var(--mint);padding-left:1rem;color:var(--muted)}.md a{color:var(--indigo)}
.vid{aspect-ratio:16/9;width:100%;border:0;border-radius:12px;background:#000;margin-bottom:1rem}video.vid{object-fit:contain}
.ed{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.ed textarea{min-height:420px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.9rem;resize:vertical;line-height:1.5;padding:.9rem;border:1.5px solid var(--line);border-radius:12px;width:100%}.ed .pvw{border:1.5px dashed var(--line);border-radius:12px;padding:.9rem;min-height:420px;overflow:auto;max-height:620px}
.tools{display:flex;gap:.35rem;flex-wrap:wrap;margin-bottom:.6rem}.tools button{border:1px solid var(--line);background:#fff;border-radius:9px;padding:.35rem .6rem;cursor:pointer;font-weight:600;font-size:.85rem}.tools button:hover{background:var(--mint-bg)}
.etabs{display:none;gap:.4rem;margin-bottom:.6rem}.etabs button{flex:1;padding:.5rem;border:1px solid var(--line);background:#fff;border-radius:10px;cursor:pointer;font-weight:600}.etabs button[aria-pressed=true]{background:var(--ink);color:#fff}
@media(max-width:900px){.ed{grid-template-columns:1fr}.etabs{display:flex}.ed[data-tab=edit] .pvw,.ed[data-tab=prev] .edw{display:none}.ed textarea,.ed .pvw{min-height:320px}}
.toast{position:fixed;left:50%;bottom:1.2rem;transform:translateX(-50%);background:var(--ink);color:#fff;padding:.7rem 1.1rem;border-radius:12px;z-index:200;box-shadow:var(--sh);max-width:92vw;font-size:.92rem}.toast.err{background:#b3261e}
.modal{position:fixed;inset:0;background:rgba(27,11,42,.5);display:grid;place-items:center;z-index:150;padding:1rem}.modal .box{background:#fff;border-radius:18px;padding:1.5rem;width:min(520px,100%);max-height:92vh;overflow:auto}
.pgload{display:grid;place-items:center;min-height:60vh;color:var(--muted)}
.chart{display:flex;gap:.6rem;align-items:flex-end;height:130px}.chart>div{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:.3rem;height:100%}.chart i{width:100%;background:var(--mint);border-radius:8px 8px 0 0;min-height:4px}.chart small{font-size:.72rem;color:var(--muted)}.chart b{font-size:.75rem}
.badges{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:1rem}.bdg{text-align:center;padding:1.2rem;border:1px solid var(--line);border-radius:var(--r);background:#fff}.bdg.off{opacity:.45;filter:grayscale(1)}.bdg .chip{margin-inline:auto}.bdg p{font-size:.85rem;color:var(--muted)}
.banner{background:#fff6d6;border:1px solid #f3dd8b;border-radius:var(--r);padding:.9rem 1.1rem;margin-bottom:1.2rem}
.row{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center}.srch{display:flex;gap:.6rem;flex-wrap:wrap;margin-bottom:1rem}.srch input,.srch select{padding:.6rem .8rem;border:1.5px solid var(--line);border-radius:10px;background:#fff;min-width:0}.srch input{flex:1;min-width:180px}
.tag.r{background:#fdecea;border-color:#f3b5ad}.dl{display:grid;grid-template-columns:140px 1fr;gap:.4rem .8rem;font-size:.92rem}.dl dt{color:var(--muted)}.dl dd{margin:0;overflow-wrap:anywhere}
.news{border-left:4px solid var(--mint);padding-left:1rem;margin-bottom:1rem}.news p{white-space:pre-wrap;color:var(--muted);margin-top:.3rem}
.sticky-cta{display:none}@media(max-width:700px){.sticky-cta{display:flex;position:fixed;left:0;right:0;bottom:0;padding:.7rem 1rem;background:rgba(255,255,255,.96);border-top:1px solid var(--line);z-index:60;gap:.6rem}.sticky-cta .btn{flex:1}body{padding-bottom:70px}}
.tabs{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1.4rem}.tabs button{border:1.5px solid var(--line);background:#fff;border-radius:99px;padding:.5rem 1rem;cursor:pointer;font-weight:600;display:flex;gap:.5rem;align-items:center}.tabs button[aria-selected=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.tl{display:grid;gap:1rem;position:relative;padding-left:2rem}.tl::before{content:"";position:absolute;left:11px;top:6px;bottom:6px;width:3px;background:var(--line);border-radius:3px}.tl>div{position:relative}.tl>div::before{content:"";position:absolute;left:-2rem;top:6px;width:20px;height:20px;border-radius:50%;background:var(--mint);border:4px solid #fff;box-shadow:0 0 0 2px var(--mint)}
.cmp{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r);overflow:hidden;font-size:.93rem}.cmp th,.cmp td{padding:.8rem 1rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.cmp thead th{background:var(--ink);color:#fff}
/* Certificado */
.cert-wrap{container-type:inline-size;width:100%;max-width:980px;margin-inline:auto}
.cert{aspect-ratio:297/210;position:relative;overflow:hidden;color:var(--ink);border-radius:6px;box-shadow:var(--sh);font-family:'Poppins',sans-serif;
 background:radial-gradient(circle at 0 0,var(--peach) 0 9cqw,transparent 9.1cqw),radial-gradient(circle at 100% 100%,var(--mint) 0 9cqw,transparent 9.1cqw),radial-gradient(circle at 100% 0,var(--sun) 0 5cqw,transparent 5.1cqw),radial-gradient(circle at 0 100%,var(--indigo) 0 5cqw,transparent 5.1cqw),#fff}
.cert::before{content:"";position:absolute;inset:2.6cqw;border:.5cqw solid var(--ink);border-radius:.8cqw}
.cert::after{content:"";position:absolute;inset:3.7cqw;border:.18cqw solid var(--mint);border-radius:.5cqw}
.cert .in{position:absolute;inset:6cqw 9cqw 5cqw;display:flex;flex-direction:column;align-items:center;justify-content:space-between;text-align:center}
.c-logo{height:7.5cqw;width:auto}.c-title{font-size:3.4cqw;font-weight:800;letter-spacing:.28em;text-transform:uppercase}.c-sm{font-size:1.5cqw;color:var(--muted);margin:0}
.c-name{font-size:4.8cqw;font-weight:800;line-height:1.1;padding:0 2cqw .6cqw;border-bottom:.25cqw solid var(--ink);max-width:100%;overflow-wrap:anywhere}
.c-course{font-size:2.9cqw;font-weight:700;color:var(--indigo);margin:.5cqw 0}
.c-foot{display:grid;grid-template-columns:1fr auto 1fr;align-items:end;gap:3cqw;width:100%}.c-foot b{display:block;font-size:1.6cqw}.c-foot span{font-size:1.2cqw;color:var(--muted)}
.c-seal{width:8cqw;height:8cqw;border-radius:50%;display:grid;place-items:center;color:#fff;background:conic-gradient(var(--mint),var(--sun),var(--coral),var(--indigo),var(--mint));box-shadow:0 0 0 .7cqw #fff,0 0 0 .9cqw var(--ink)}.c-seal .ic{width:4cqw;height:4cqw}
.c-sign i{display:block;border-top:.18cqw solid var(--ink);margin-bottom:.5cqw}.c-code{font-size:1.1cqw;color:var(--muted);font-family:ui-monospace,Menlo,Consolas,monospace}
.c-void{position:absolute;inset:0;display:grid;place-items:center;font-size:12cqw;font-weight:800;color:rgba(239,95,75,.28);transform:rotate(-18deg);letter-spacing:.1em;pointer-events:none}
@media print{body *{visibility:hidden}.cert-wrap,.cert-wrap *{visibility:visible}.cert-wrap{position:absolute;left:0;top:0;width:100%;max-width:none}.cert{box-shadow:none;border-radius:0;-webkit-print-color-adjust:exact;print-color-adjust:exact}@page{size:A4 landscape;margin:0}}

.c-mark{position:absolute;left:50%;top:52%;width:34cqw;transform:translate(-50%,-50%);opacity:.06;pointer-events:none}
.c-sign .sig{font-family:'Caveat','Brush Script MT',cursive;font-weight:600;font-size:4.2cqw;line-height:1;color:#1f2a7a;transform:rotate(-3deg);margin-bottom:-.3cqw}
.c-legal{font-size:1.15cqw;color:var(--muted);max-width:70cqw;line-height:1.35}.c-legal b{color:var(--ink)}

/* ---- Painel: organização e responsividade ---- */
.ng{font-size:.68rem;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);padding:.9rem .8rem .25rem;font-weight:700}
.side .sh{display:flex;align-items:center;justify-content:space-between}.sclose{display:none;background:none;border:0;padding:.3rem;cursor:pointer}
.nv a span:first-of-type{flex:1}.nv a .bd{flex:none}
.two2{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;align-items:start}
.stat span{font-size:.85rem}.main{width:100%;max-width:1400px}
@media(max-width:1100px){.app{grid-template-columns:240px 1fr}}
@media(max-width:900px){.two2{grid-template-columns:1fr}.sclose{display:block}.side{width:min(300px,86vw);height:100dvh;padding-bottom:max(1rem,env(safe-area-inset-bottom))}.main{padding:1rem 1rem 4rem}}
@media(max-width:600px){.stats{grid-template-columns:1fr 1fr;gap:.7rem}.stat{padding:.85rem;gap:.5rem;flex-direction:column;align-items:flex-start}.stat .ic{width:1.5rem;height:1.5rem}.stat b{font-size:1.5rem}.stat span{font-size:.78rem}.main>h1{font-size:1.4rem}.panel{padding:1rem}.grid{grid-template-columns:1fr}.panel h2{font-size:1.05rem}.tbl{font-size:.85rem}.row2{grid-template-columns:1fr}.cc .ft .btn{flex:1}}
/* ---- Aprender / ensinar ---- */
.noscroll{overflow:hidden}.hide-s{display:inline}@media(max-width:600px){.hide-s{display:none}}
.exrow{display:flex;justify-content:space-between;align-items:center;gap:.8rem;padding:.75rem .2rem;border-bottom:1px solid var(--line);text-decoration:none;flex-wrap:wrap}.exrow:last-child{border-bottom:0}a.exrow:hover{background:var(--surface)}
.mat{padding:1rem 0;border-bottom:1px solid var(--line)}.mat:last-child{border-bottom:0}.matimg{max-height:420px;border-radius:12px;margin-top:.6rem;object-fit:contain;background:var(--surface)}
.codeblock,.md pre.codeblock{background:var(--ink);color:#eee;padding:1rem;border-radius:12px;overflow-x:auto;font-size:.85rem;margin:.6rem 0;white-space:pre-wrap;word-break:break-word}
.codearea{width:100%;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.9rem;line-height:1.5;padding:.8rem;border:1.5px solid var(--line);border-radius:12px;background:#fbfbfe;tab-size:2;resize:vertical}
.opts{display:grid;gap:.6rem;margin-bottom:1rem}.opt{display:flex;gap:.7rem;align-items:center;border:1.5px solid var(--line);border-radius:12px;padding:.8rem 1rem;cursor:pointer}.opt:has(input:checked){border-color:var(--mint-d);background:var(--mint-bg)}
.tres{padding:.5rem .8rem;border-radius:10px;margin:.3rem 0;font-size:.9rem}.tres.ok{background:var(--mint-bg);color:#14513f}.tres.ko{background:#fdecea;color:#8c1d10}.attempt{padding:.6rem 0;border-top:1px solid var(--line)}
.vrow{display:flex;gap:.5rem;margin-bottom:.5rem}.vrow input{flex:1;min-width:0;padding:.65rem .8rem;border:1.5px solid var(--line);border-radius:10px}
.edhead{display:flex;justify-content:space-between;align-items:center;gap:.6rem;flex-wrap:wrap;margin-bottom:1rem}
.edwrap.fs{position:fixed;inset:0;z-index:120;margin:0;border-radius:0;overflow:auto;display:flex;flex-direction:column;padding:max(.8rem,env(safe-area-inset-top)) .9rem max(.8rem,env(safe-area-inset-bottom))}
.edwrap.fs .edbody{flex:1;display:flex;flex-direction:column;min-height:0}.edwrap.fs .ed{flex:1;min-height:0}.edwrap.fs .edw,.edwrap.fs .edw textarea{height:100%}.edwrap.fs .ed textarea,.edwrap.fs .pvw{min-height:0;max-height:none;height:100%}
@media(max-width:900px){.edwrap.fs .ed{display:block}.edwrap.fs .ed[data-tab=edit] .edw,.edwrap.fs .ed[data-tab=prev] .pvw{height:calc(100dvh - 330px);min-height:240px}}
/* ---- Mensagens ---- */
.chatbox{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r);height:min(70dvh,640px);min-height:380px}
.msgs{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.6rem}.msg{display:flex}.msg.me{justify-content:flex-end}
.mb{max-width:min(80%,520px);background:var(--surface);border-radius:14px 14px 14px 4px;padding:.55rem .8rem}.msg.me .mb{background:var(--mint-bg);border-radius:14px 14px 4px 14px}
.mb p{white-space:pre-wrap;overflow-wrap:anywhere;margin:.15rem 0}.mb small{color:var(--muted);font-size:.72rem}.mh{display:flex;gap:.4rem;align-items:center;font-size:.82rem}.mdel{margin-left:auto;background:none;border:0;cursor:pointer;opacity:.5;padding:0}.mdel .ic{width:.9em;height:.9em}
.msgform{display:flex;gap:.6rem;padding:.7rem;border-top:1px solid var(--line)}.msgform textarea{flex:1;resize:none;border:1.5px solid var(--line);border-radius:12px;padding:.65rem .8rem;max-height:120px}
/* ---- Chamadas (como o Meet) ---- */
.call{position:fixed;inset:0;z-index:200;background:#10131a;color:#fff;display:flex;flex-direction:column;height:100dvh}
.call .lobby{margin:auto;width:min(480px,92vw);text-align:center;display:grid;gap:1rem;padding:1rem}.lvid{aspect-ratio:4/3;background:#1d2230;border-radius:18px;overflow:hidden;display:grid;place-items:center}.lvid video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}.bigav{width:96px;height:96px;border-radius:50%;background:var(--mint-d);display:grid;place-items:center}.bigav .ic{width:2.6rem;height:2.6rem}
.call-top{display:flex;justify-content:space-between;align-items:center;gap:.6rem;padding:max(.7rem,env(safe-area-inset-top)) 1rem .5rem}.call-top .tag{background:#242a3a;border-color:#34405a;color:#fff}
.call-grid{flex:1;min-height:0;display:grid;gap:.5rem;padding:.5rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));grid-auto-rows:1fr;position:relative}
.call-grid[data-n="1"],.call-grid[data-n="2"]{grid-template-columns:1fr}
.tile{position:relative;background:#1d2230;border-radius:16px;overflow:hidden;min-height:0;display:grid;place-items:center}.tile video{width:100%;height:100%;object-fit:cover;background:#000}.tile.me video{transform:scaleX(-1)}
.tile .av{position:absolute;width:84px;height:84px;border-radius:50%;background:var(--indigo);display:none;place-items:center;font-size:1.8rem;font-weight:700}.tile.nocam video{visibility:hidden}.tile.nocam .av{display:grid}
.tile .tl{position:absolute;left:.6rem;bottom:.6rem;background:rgba(0,0,0,.55);border-radius:8px;padding:.15rem .55rem;font-size:.82rem;display:flex;gap:.4rem;align-items:center}.tile .tl .ic{width:1em;height:1em;color:#ff8a80}
.call-grid[data-n="2"] .tile.me{position:absolute;right:.9rem;bottom:.9rem;width:min(30vw,170px);aspect-ratio:3/4;z-index:3;box-shadow:0 6px 24px rgba(0,0,0,.5)}
.call-grid .wait{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none;color:#aeb6c8;text-align:center;padding:1rem}.call-grid[data-n="1"] .tile.me{opacity:.95}
.call-bar{display:flex;justify-content:center;align-items:center;gap:.8rem;padding:.8rem 1rem max(.8rem,env(safe-area-inset-bottom));flex-wrap:wrap}
.cbtn{width:54px;height:54px;border-radius:50%;border:0;background:#2a3142;color:#fff;display:grid;place-items:center;cursor:pointer}.cbtn .ic{width:1.5rem;height:1.5rem}.cbtn.off{background:#fff;color:#10131a}.cbtn.on{background:var(--indigo)}.cbtn.red{background:var(--coral);width:64px;border-radius:30px}
.ringing{position:fixed;top:max(.8rem,env(safe-area-inset-top));left:50%;transform:translateX(-50%);z-index:300;width:min(560px,94vw);background:var(--ink);color:#fff;border-radius:16px;padding:.8rem 1rem;display:flex;gap:.8rem;align-items:center;box-shadow:var(--sh);flex-wrap:wrap}.ringing .ic{width:1.6rem;height:1.6rem;color:var(--sun)}
@media(max-width:600px){.cbtn{width:50px;height:50px}.call-grid[data-n="3"],.call-grid[data-n="4"]{grid-template-columns:1fr 1fr}}
/* grelhas que nunca ultrapassam o ecrã (minmax(0,1fr) evita que o conteúdo force a largura) */
.two{grid-template-columns:300px minmax(0,1fr)}.two2{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.two>*,.two2>*,.grid>*,.stats>*{min-width:0}
@media(max-width:900px){.two,.two2{grid-template-columns:minmax(0,1fr)}}
.chart{min-width:0}.panel{min-width:0;max-width:100%}
.mat .row b,.exrow b{display:inline-flex;align-items:center;gap:.45rem}.mat .row{margin-bottom:.4rem}