/* Vexa Method — estilos (mobile primeiro) */
:root{
  --ink:#1c2541;--muted:#5d6377;--line:#e6dfd0;--bg:#f6f2ea;--card:#fff;
  --coral:#ef5b3c;--coral-soft:#fde5de;--sun:#ffd23f;--sun-soft:#fff4c9;--sky:#3b82f6;--sky-soft:#e6efff;
  --ok:#17935f;--ok-soft:#dcf3e8;--near:#b77a00;--near-soft:#fdf1d2;--bad:#d23f3f;--bad-soft:#fbe1e1;
  --hf:Fraunces,Georgia,serif;--bf:Nunito,system-ui,-apple-system,"Segoe UI",sans-serif;--r:16px;
}
*{box-sizing:border-box}
html{scroll-padding-top:120px}
body{margin:0;font-family:var(--bf);color:var(--ink);background:var(--bg);font-size:16px;line-height:1.45;-webkit-text-size-adjust:100%}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
a{color:var(--sky)}
img{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
.hidden{display:none!important}
.muted{color:var(--muted)}
.small{font-size:13px}
/* topo */
.top{position:sticky;top:0;z-index:20;background:var(--ink);color:#fff}
.top .wrap{display:flex;align-items:center;gap:10px;height:56px}
.brand{display:flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-family:var(--hf);font-weight:900;font-size:18px;white-space:nowrap}
.brand .logo{height:34px;width:auto;display:block}
.hlogo{height:96px;width:auto;display:block;margin:6px 0 4px}
@media (max-width:760px){.hlogo{height:70px}}
.brand .mark{width:30px;height:30px;border-radius:9px;background:var(--coral);display:grid;place-items:center;font-size:16px}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a,.nav button{color:#fff;text-decoration:none;padding:7px 11px;border-radius:999px;font-weight:800;font-size:14px;white-space:nowrap}
.nav a.on,.nav a:hover,.nav button:hover{background:rgba(255,255,255,.14)}
.nav .user{background:var(--coral)}
.demo{background:var(--sun-soft);border-bottom:1px solid #efd77b;font-size:13px;padding:6px 0;text-align:center}
@media (max-width:640px){.brand .txt{display:none}.nav a .lbl{display:none}.nav a,.nav button{padding:7px 9px;font-size:15px}}
/* genéricos */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--ink);color:#fff;border-radius:12px;padding:10px 16px;font-weight:800;text-decoration:none;min-height:44px}
.btn.acc{background:var(--coral)}
.btn.ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line)}
.btn.sm{padding:6px 12px;min-height:36px;font-size:14px}
.btn:disabled{opacity:.5}
.pill{display:inline-block;border-radius:999px;padding:2px 10px;font-size:12px;font-weight:800;background:var(--sky-soft);color:var(--sky)}
.bar{height:8px;border-radius:99px;background:#ece5d6;overflow:hidden}
.bar i{display:block;height:100%;background:var(--ok);border-radius:99px;transition:width .4s}
h1,h2,h3{font-family:var(--hf);line-height:1.15}
.field{display:flex;flex-direction:column;gap:4px;margin-bottom:12px;font-weight:700;font-size:14px}
.field input,.field select{border:2px solid var(--line);border-radius:12px;padding:10px 12px;font-weight:600;font-size:16px;background:#fff}
.toast{position:fixed;left:50%;bottom:18px;visibility:hidden;transform:translate(-50%,200px);background:var(--ink);color:#fff;padding:12px 18px;border-radius:12px;font-weight:700;font-size:14px;z-index:60;max-width:92vw;transition:transform .25s;box-shadow:0 8px 30px rgba(0,0,0,.25)}
.toast.show{transform:translate(-50%,0);visibility:visible}
/* home */
.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:20px;align-items:center;padding:28px 0 10px}
.hero h1{font-size:44px;margin:4px 0 8px}
.kick{font-weight:900;letter-spacing:.12em;text-transform:uppercase;font-size:12px;color:var(--coral)}
.chars{display:flex;gap:6px;justify-content:center}
.chars figure{margin:0;text-align:center;font-weight:800;font-size:13px}
.chars img{width:86px;height:84px;display:block;background:#fff;border-radius:18px;border:1.5px solid var(--line)}
.chars figcaption span{display:block;font-weight:600;color:var(--muted);font-size:12px}
.lgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;margin:18px 0 40px}
.lcard{display:flex;flex-direction:column;gap:6px;text-decoration:none;color:inherit;background:#fff;border:1.5px solid var(--line);border-radius:var(--r);padding:14px;min-height:130px;transition:transform .12s}
.lcard:hover{transform:translateY(-2px)}
.lcard .ln{font-weight:900;color:var(--coral);font-size:13px;letter-spacing:.06em;text-transform:uppercase}
.lcard h3{margin:0;font-size:20px}
.lcard.lock{background:transparent;border-style:dashed;color:var(--muted)}
.lcard .grow{flex:1}
@media (max-width:760px){.hero{grid-template-columns:1fr}.hero h1{font-size:34px}.chars img{width:70px;height:68px}}
/* lição */
.lhead{background:var(--ink);color:#fff;border-radius:0 0 22px 22px;padding:18px 0 16px}
.lhead .row{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.lnum{background:var(--coral);border-radius:14px;padding:6px 12px;text-align:center;font-weight:900;font-size:11px;letter-spacing:.1em;text-transform:uppercase;line-height:1}
.lnum b{display:block;font-family:var(--hf);font-size:36px;letter-spacing:0;margin-top:2px}
.lhead h1{margin:0;font-size:34px}
.lhead .goals{margin:10px 0 0;padding-left:18px;font-size:14px;opacity:.9;columns:2;column-gap:28px}
.lhead .tools{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.lhead .bar{background:rgba(255,255,255,.2);margin-top:12px}
@media (max-width:640px){.lhead .goals{columns:1}.lhead h1{font-size:28px}.lhead .tools{margin-left:0;width:100%}}
.subnav{position:sticky;top:56px;z-index:15;background:var(--bg);border-bottom:1px solid var(--line)}
.subnav .wrap{display:flex;gap:6px;overflow-x:auto;padding:8px 16px;scrollbar-width:none}
.subnav .wrap::-webkit-scrollbar{display:none}
.subnav a{flex-shrink:0;text-decoration:none;color:var(--ink);background:#fff;border:1.5px solid var(--line);border-radius:999px;padding:6px 14px;font-weight:800;font-size:14px}
.subnav a.on{background:var(--ink);color:#fff;border-color:var(--ink)}
section.blk{padding:22px 0 8px}
.bh{display:flex;align-items:center;gap:10px;border-bottom:3px solid var(--ink);padding-bottom:8px;margin-bottom:12px}
.bh .lt{background:var(--coral);color:#fff;font-family:var(--hf);font-weight:900;font-size:22px;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;flex-shrink:0}
.bh h2{margin:0;font-size:24px}
.bh .pt{font-size:13px;color:var(--muted);font-weight:700}
h3.st{font-size:14px;text-transform:uppercase;letter-spacing:.06em;margin:20px 0 10px;font-family:var(--bf);font-weight:900;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
h3.st .sp{flex:1}
/* palavras */
.words{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
@media (max-width:980px){.words{grid-template-columns:repeat(3,1fr)}}
@media (max-width:700px){.words{grid-template-columns:repeat(2,1fr)}}
@media (max-width:360px){.words{grid-template-columns:1fr}}
.wc{background:#fff;border:1.5px solid var(--line);border-radius:14px;padding:10px;display:flex;flex-direction:column;gap:2px;position:relative}
.wc .im{height:56px;display:flex;align-items:center}
.wc .im img{height:56px;width:auto;max-width:90px}
.wc .im .let{width:52px;height:52px;border-radius:50%;background:var(--sky-soft);color:var(--sky);display:grid;place-items:center;font-family:var(--hf);font-weight:900;font-size:24px}
.wc .w{font-weight:900;font-size:18px;line-height:1.2}
.ipa{color:var(--muted);font-size:13px;font-family:"DejaVu Sans","Lucida Sans Unicode","Segoe UI",sans-serif}
.wc .pt{font-size:14px}
.wc .wex{font-style:italic;color:#2457a8;font-size:14px}
.wc .acts{display:flex;gap:6px;margin-top:6px}
.wc .fb{font-size:12px;font-weight:800;min-height:16px}
.ib{width:40px;height:40px;border-radius:50%;display:inline-grid;place-items:center;background:var(--sky-soft);font-size:15px;flex-shrink:0}
.ib.mic{background:var(--coral-soft)}
.ib.on{background:var(--coral);color:#fff;animation:pulse 1.2s infinite}
.ib.play.on{background:var(--sky);color:#fff}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(239,91,60,.45)}100%{box-shadow:0 0 0 12px rgba(239,91,60,0)}}
.nums{display:grid;grid-template-columns:repeat(7,1fr);gap:8px}
@media (max-width:700px){.nums{grid-template-columns:repeat(4,1fr)}}
.num{background:#fff;border:1.5px solid var(--line);border-radius:12px;text-align:center;padding:6px 4px;cursor:pointer}
.num b{display:block;font-family:var(--hf);font-size:24px;color:var(--coral)}
.num span{font-weight:800;font-size:14px}
.forms{margin-top:12px;display:flex;gap:6px;flex-wrap:wrap;align-items:center;font-weight:700;font-size:14px}
.chip{background:var(--sun-soft);border:1px solid #efd77b;border-radius:999px;padding:3px 12px;font-weight:800}
/* leitura */
.read{background:var(--sky-soft);border-radius:var(--r);padding:12px 16px}
.dl{display:flex;align-items:center;gap:10px;padding:5px 0;font-size:17px}
.dl img{width:34px;height:34px;border-radius:50%;background:#fff;flex-shrink:0}
.dl b{min-width:54px}
.dl.speaking{background:var(--sun-soft);border-radius:10px}
/* fala */
.speak{background:#fff;border:1.5px solid var(--line);border-radius:var(--r);overflow:hidden}
.speak .sh{display:flex;gap:8px;align-items:center;flex-wrap:wrap;background:var(--sun-soft);padding:10px 14px;font-size:14px}
.speak .sh .sp{flex:1;min-width:180px}
.drills{list-style:none;margin:0;padding:0}
.drills li{display:grid;grid-template-columns:30px auto 1fr auto;gap:10px;align-items:center;padding:10px 14px;border-top:1px dashed var(--line)}
.drills .n{font-family:var(--hf);font-weight:900;color:var(--coral);font-size:18px;text-align:right}
.drills .pic{width:44px;text-align:center}
.drills .pic img{width:42px;height:42px}
.drills .pic em{display:block;font-style:normal;font-size:11px;font-weight:900;color:var(--coral)}
.drills .q{font-weight:900;font-size:17px}
.drills .a{font-style:italic;color:#46506b;cursor:pointer}
.hideans .drills .a{filter:blur(6px);user-select:none}
.hideans .drills .a.show{filter:none}
.drills .res{grid-column:3/5;font-size:14px}
.drills .bt{display:flex;gap:6px}
@media (max-width:560px){.drills li{grid-template-columns:24px 1fr auto}.drills .pic{display:none}.drills .res{grid-column:2/4}}
.cmp span{border-radius:5px;padding:0 2px}
.cmp .ok{background:var(--ok-soft);color:var(--ok)}
.cmp .near{background:var(--near-soft);color:var(--near)}
.cmp .miss{background:var(--bad-soft);color:var(--bad);text-decoration:underline wavy}
.score{font-weight:900;border-radius:8px;padding:1px 8px;margin-right:6px}
.score.g{background:var(--ok-soft);color:var(--ok)}.score.y{background:var(--near-soft);color:var(--near)}.score.r{background:var(--bad-soft);color:var(--bad)}
/* exercícios */
.ex{background:#fff;border:1.5px solid var(--line);border-radius:var(--r);padding:14px 16px;margin-bottom:12px}
.ex h4{margin:0 0 10px;font-size:16px;display:flex;gap:8px;align-items:center}
.ex h4 .id{background:var(--ink);color:#fff;border-radius:8px;padding:1px 8px;font-size:13px}
.ex .items{display:grid;grid-template-columns:1fr 1fr;gap:8px 24px}
.ex .items.one{grid-template-columns:1fr}
.ex .items.pics{grid-template-columns:repeat(4,1fr);text-align:center}
@media (max-width:700px){.ex .items{grid-template-columns:1fr}.ex .items.pics{grid-template-columns:1fr 1fr}}
.it{font-size:17px;display:flex;align-items:center;flex-wrap:wrap;gap:4px}
.pics .it{flex-direction:column;justify-content:flex-end}
.pics .it img{height:70px}
.it img.sm{height:52px;width:auto}
.it .qq{font-weight:800;width:100%}
.it input{border:0;border-bottom:2.5px solid var(--ink);background:var(--sun-soft);border-radius:6px 6px 0 0;padding:4px 6px;font-weight:800;font-size:16px;width:110px;text-align:center}
.it input.long{width:100%;text-align:left}
.it input.ok{border-color:var(--ok);background:var(--ok-soft);color:var(--ok)}
.it input.bad{border-color:var(--bad);background:var(--bad-soft);color:var(--bad)}
.it .fix{font-size:13px;color:var(--bad);font-weight:800;width:100%}
.order .bank,.order .ans{display:flex;flex-wrap:wrap;gap:6px;min-height:46px;padding:6px;border-radius:12px;width:100%}
.order .ans{border:2px dashed var(--line);margin-bottom:4px}
.order .ans.ok{border-color:var(--ok);background:var(--ok-soft)}
.order .ans.bad{border-color:var(--bad);background:var(--bad-soft)}
.tok{background:#fff;border:1.5px solid var(--line);border-radius:10px;padding:7px 12px;font-weight:800;box-shadow:0 2px 0 var(--line);min-height:40px}
.ans .tok{background:var(--ink);color:#fff;border-color:var(--ink);box-shadow:none}
.ex .acts{display:flex;gap:8px;margin-top:12px;align-items:center;flex-wrap:wrap}
.ex .msg{font-weight:800;font-size:14px}
.reading{display:flex;gap:12px;align-items:center;background:var(--sky-soft);border-radius:12px;padding:10px 14px;margin-bottom:10px;font-size:17px}
.reading img{width:56px;height:56px}
/* gramática */
.g{background:#fffaf6;border-left:5px solid var(--coral);border-radius:0 14px 14px 0;padding:12px 16px;margin-bottom:12px}
.g h4{margin:0 0 6px;font-size:17px}
.g p{margin:0 0 8px;font-size:15px}
.tbl{overflow-x:auto}
.g table{border-collapse:collapse;width:100%;font-size:15px;min-width:420px}
.g th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:4px 8px;border-bottom:1.5px solid var(--line)}
.g td{padding:5px 8px;border-bottom:1px solid #f1ebdf}
.g td:first-child{font-weight:800}
.tip{background:var(--ok-soft);border-radius:14px;padding:12px 16px;font-size:15px}
.next{display:flex;justify-content:space-between;gap:10px;margin:26px 0 50px;flex-wrap:wrap}
/* aula ao vivo */
.live{position:fixed;inset:0;z-index:50;background:var(--ink);color:#fff;display:flex;flex-direction:column}
.live .lt{display:flex;align-items:center;gap:10px;padding:12px 18px;font-weight:800}
.live .lt .sp{flex:1;opacity:.75;font-size:14px}
.live .stage{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px;gap:18px}
.live .stage img{width:120px;height:120px;background:#fff;border-radius:22px;padding:6px}
.live .lq{font-family:var(--hf);font-size:clamp(30px,6vw,64px);font-weight:900;line-height:1.1}
.live .la{font-size:clamp(20px,3.6vw,38px);font-style:italic;color:var(--sun);min-height:1.3em}
.live .la.hid{visibility:hidden}
.live .ctl{display:flex;gap:10px;justify-content:center;padding:14px;flex-wrap:wrap}
.live .ctl button{background:rgba(255,255,255,.12);color:#fff;border-radius:14px;padding:12px 20px;font-weight:900;font-size:16px;min-width:56px}
.live .ctl button.acc{background:var(--coral)}
/* professor */
.tbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:20px 0 12px}
.tbar h1{margin:0;font-size:30px;flex:1}
.addf{display:flex;gap:8px;flex-wrap:wrap;align-items:flex-end}
.addf .field{margin:0;flex:1;min-width:150px}
.codebox{background:var(--sun-soft);border:2px dashed #e5c55a;border-radius:14px;padding:12px 16px;margin-top:12px}
.codebox b.code{font-family:"DejaVu Sans Mono",monospace;font-size:26px;letter-spacing:.18em}
.stable{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r);overflow:hidden}
.stable th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);padding:10px;border-bottom:1.5px solid var(--line);background:#fbf8f2}
.stable td{padding:10px;border-bottom:1px solid #f1ebdf;vertical-align:middle}
.stable .code{font-family:"DejaVu Sans Mono",monospace;font-weight:800;letter-spacing:.1em}
.mini{display:flex;gap:3px;align-items:flex-end}
.mini i{display:block;width:16px;background:#ece5d6;border-radius:4px;height:28px;position:relative;overflow:hidden}
.mini i b{position:absolute;left:0;right:0;bottom:0;background:var(--ok)}
@media (max-width:760px){
  .stable thead{display:none}.stable,.stable tbody,.stable tr,.stable td{display:block;width:100%}
  .stable tr{border-bottom:1.5px solid var(--line);padding:8px 0}.stable td{border:0;padding:4px 12px}
  .stable td[data-l]::before{content:attr(data-l) ": ";font-weight:800;color:var(--muted);font-size:12px}
}
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.stat h3{margin:0 0 6px;font-size:18px}
.stat .big{font-family:var(--hf);font-size:30px;font-weight:900}
.weak li{margin-bottom:6px}
/* glossário */
.gsearch{width:100%;border:2px solid var(--line);border-radius:14px;padding:12px 14px;font-size:17px;margin:16px 0}
.glist{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:8px;margin-bottom:40px}
.gi{display:flex;align-items:center;gap:10px;background:#fff;border:1.5px solid var(--line);border-radius:14px;padding:8px 10px}
.gi img,.gi .let{width:44px;height:44px;flex-shrink:0}
.gi .let{border-radius:50%;background:var(--sky-soft);color:var(--sky);display:grid;place-items:center;font-family:var(--hf);font-weight:900}
.gi .tx{flex:1;min-width:0}
.gi .w{font-weight:900}
/* login */
.auth{max-width:420px;margin:30px auto 60px}
.tabs{display:flex;gap:6px;margin-bottom:14px}
.tabs button{flex:1;border:1.5px solid var(--line);border-radius:12px;padding:10px;font-weight:800;background:#fff}
.tabs button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.err{color:var(--bad);font-weight:800;font-size:14px;min-height:20px}
/* plano */
.plan{display:grid;gap:10px;margin-bottom:40px}
.plan .p{background:#fff;border:1.5px solid var(--line);border-radius:14px;padding:12px 16px}
.plan .p h3{margin:0 0 4px;font-size:19px}
.plan .p .ws{font-size:13px;color:var(--muted)}
@media print{.top,.subnav,.demo,.ib,.btn{display:none!important}}