/* =========================================================
   Falaê — identidade visual
   lúdica, arredondada, botões 3D, cores vivas
   ========================================================= */
:root{
  --bg:#FFFFFF;--panel:#FFFFFF;--panel2:#F7F7F7;--ink:#4B4B4B;--strong:#3C3C3C;--muted:#777777;--faint:#AFAFAF;--line:#E5E5E5;--soft:#F7F7F7;
  --green:#58CC02;--green-d:#58A700;--green-l:#D7FFB8;--green-t:#58A700;
  --blue:#1CB0F6;--blue-d:#1899D6;--blue-l:#DDF4FF;--blue-line:#84D8FF;--blue-t:#1899D6;
  --red:#FF4B4B;--red-d:#EA2B2B;--red-l:#FFDFE0;--red-t:#EA2B2B;
  --orange:#FF9600;--orange-d:#E58700;--orange-l:#FFF0D9;
  --yellow:#FFC800;--yellow-d:#E5B400;
  --purple:#CE82FF;--purple-d:#A568CC;--purple-l:#F4E3FF;
  --gray-node:#E5E5E5;--gray-node-d:#B7B7B7;--gray-ico:#AFAFAF;
  --d1:#58CC02;--d2:#1CB0F6;--d3:#CE82FF;
  --accent:var(--green);--accent-d:var(--green-d);
  --fs:17px;--rad:16px;--side:256px;--top:64px;
  --f:"Nunito","Segoe UI Rounded","Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;
  --mono:ui-monospace,Consolas,"Courier New",monospace;
  box-sizing:border-box;color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#131F24;--panel:#131F24;--panel2:#202F36;--ink:#F1F7FB;--strong:#FFFFFF;--muted:#8FA2AA;--faint:#52656D;--line:#37464F;--soft:#202F36;
  --green-l:#1F3A12;--green-t:#79D634;--blue-l:#173847;--blue-line:#2B6D8C;--blue-t:#49C0F8;--red-l:#46262A;--red-t:#FF7878;--orange-l:#3D2C14;--purple-l:#33264A;
  --gray-node:#37464F;--gray-node-d:#283840;--gray-ico:#52656D;color-scheme:dark;}}
:root[data-theme="dark"]{
  --bg:#131F24;--panel:#131F24;--panel2:#202F36;--ink:#F1F7FB;--strong:#FFFFFF;--muted:#8FA2AA;--faint:#52656D;--line:#37464F;--soft:#202F36;
  --green-l:#1F3A12;--green-t:#79D634;--blue-l:#173847;--blue-line:#2B6D8C;--blue-t:#49C0F8;--red-l:#46262A;--red-t:#FF7878;--orange-l:#3D2C14;--purple-l:#33264A;
  --gray-node:#37464F;--gray-node-d:#283840;--gray-ico:#52656D;color-scheme:dark;}
*,*::before,*::after{box-sizing:inherit}
html{font-size:var(--fs);scroll-padding-top:calc(var(--top) + 16px)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f);font-weight:600;line-height:1.55;-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased}
a{color:var(--blue-t);text-decoration:none;font-weight:800}
a:hover{color:var(--blue)}
b,strong{font-weight:800;color:var(--strong)}
code{font-family:var(--mono);font-size:.82em;background:var(--soft);padding:.1em .4em;border-radius:6px;border:1px solid var(--line);overflow-wrap:anywhere}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--blue);color:#fff;padding:.5rem 1rem;z-index:500;border-radius:0 0 12px 0}
.skip:focus{left:0}
button,select,input,textarea{font:inherit;color:inherit}
button{cursor:pointer}
svg{flex:none}

/* ===== botões 3D ===== */
.btn{--b:var(--line);--bd:var(--line);--bc:var(--panel);--tx:var(--blue-t);
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:46px;padding:.55rem 1.15rem;
  font-family:var(--f);font-weight:800;font-size:.86rem;letter-spacing:.06em;text-transform:uppercase;text-decoration:none;
  color:var(--tx);background:var(--bc);border:2px solid var(--b);border-bottom-width:4px;border-bottom-color:var(--bd);border-radius:var(--rad);
  transition:filter .12s,transform .06s;line-height:1.15;text-align:center}
.btn:hover{filter:brightness(1.04);color:var(--tx)}
.btn:active{transform:translateY(2px);border-bottom-width:2px;margin-bottom:2px}
.btn.primary{--b:var(--green);--bd:var(--green-d);--bc:var(--green);--tx:#fff}
.btn.blue{--b:var(--blue);--bd:var(--blue-d);--bc:var(--blue);--tx:#fff}
.btn.danger{--tx:var(--red-t)}
.btn.sel{--b:var(--blue-line);--bd:var(--blue-line);--bc:var(--blue-l);--tx:var(--blue-t)}
.btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.acts{display:flex;gap:.7rem;flex-wrap:wrap;align-items:center}

/* ===== shell: lateral + topo + conteúdo + trilho ===== */
.side{position:fixed;left:0;top:0;bottom:0;width:var(--side);border-right:2px solid var(--line);background:var(--bg);padding:1.4rem 1rem;display:flex;flex-direction:column;gap:1.4rem;z-index:60}
.logo{display:flex;align-items:center;gap:.6rem;padding:0 .7rem;color:var(--green);text-decoration:none}
.logo:hover{color:var(--green)}
.logo-mark{width:42px;height:42px;display:inline-block;flex:none}
.logo-mark svg{width:100%;height:100%}
.logo-word{font-weight:900;font-size:1.75rem;letter-spacing:-.03em;line-height:1;display:flex;flex-direction:column}
.logo-word b{color:var(--faint);font-weight:800;font-size:.4em;letter-spacing:.03em;text-transform:uppercase;margin-top:.2rem;white-space:nowrap}
.nav{display:flex;flex-direction:column;gap:.35rem}
.nav a{display:flex;align-items:center;gap:1.1rem;padding:.55rem .9rem;border:2px solid transparent;border-radius:14px;color:var(--muted);font-weight:800;font-size:.95rem;letter-spacing:.05em;text-transform:uppercase}
.nav a:hover{background:var(--soft);color:var(--ink)}
.nav a.on{background:var(--blue-l);border-color:var(--blue-line);color:var(--blue-t)}
.ni{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;flex:none}
.ni svg{width:26px;height:26px;fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.ni{position:relative}
.ni-review svg{stroke:var(--blue)}
.nbadge{position:absolute;top:-6px;right:-10px;min-width:20px;height:20px;padding:0 5px;border-radius:999px;background:var(--red);color:#fff;font-size:.68rem;font-weight:900;display:grid;place-items:center;border:2px solid var(--bg);letter-spacing:0;line-height:1}
.nbadge[hidden]{display:none}
.ni-learn svg{stroke:var(--orange)}.ni-mods svg{stroke:var(--purple)}.ni-place svg{stroke:var(--green)}.ni-search svg{stroke:var(--blue)}.ni-prog svg{stroke:var(--yellow-d)}.ni-books svg{stroke:var(--red)}
.shell{margin-left:var(--side);min-height:100vh}
.topbar{position:sticky;top:0;z-index:50;height:var(--top);display:flex;align-items:center;gap:.6rem;padding:0 1.4rem;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(8px);border-bottom:2px solid var(--line)}
.logo-mobile{display:none;padding:0}
.chips{display:flex;gap:.3rem;margin-left:auto}
.chip{display:inline-flex;align-items:center;gap:.4rem;border:0;background:transparent;border-radius:12px;padding:.4rem .65rem;font-weight:900;font-size:1rem;color:var(--faint)}
.chip:hover{background:var(--soft)}
.chip svg{width:24px;height:24px}
.chip-fire svg{fill:var(--gray-node)}
.chip-fire.on{color:var(--orange)}.chip-fire.on svg{fill:var(--orange)}
.chip-xp{color:var(--yellow-d)}.chip-xp svg{fill:var(--yellow)}
.chip-lv{color:var(--purple-d)}.chip-lv svg{fill:var(--purple)}
.tools{display:flex;gap:.25rem;padding-left:.4rem;border-left:2px solid var(--line)}
.tbtn{width:40px;height:40px;display:grid;place-items:center;border:0;background:transparent;border-radius:12px;color:var(--faint)}
.tbtn:hover{background:var(--soft);color:var(--ink)}
.tbtn[aria-pressed="true"]{color:var(--blue)}
.tbtn svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
#soundbtn .snd-off{display:none}
#soundbtn[aria-pressed="false"] .snd-on{display:none}
#soundbtn[aria-pressed="false"] .snd-off{display:inline}
.content{display:flex;gap:3rem;justify-content:center;padding:1.6rem clamp(1rem,3vw,2.4rem) 6rem}
main{flex:1;min-width:0;max-width:1000px}
.col{margin:0 auto}
.rail{display:none;width:340px;flex:none}
body.has-rail main{max-width:620px}
@media (min-width:1180px){body.has-rail .rail{display:flex;flex-direction:column;gap:1.2rem;position:sticky;top:calc(var(--top) + 1.6rem);align-self:flex-start}}
body.focus .side{display:none}
body.focus .shell{margin-left:0}
body.focus .rail{display:none!important}
body.focus .lp-side{display:none}
body.focus .lesson-page{grid-template-columns:1fr}

@media (max-width:1180px){:root{--side:96px}.logo-word,.nav .nl{display:none}.side{padding:1.2rem .8rem;align-items:center}.nav a{padding:.55rem;justify-content:center}.logo{padding:0}}
@media (max-width:760px){
  :root{--side:0px;--top:58px}
  .side{top:auto;bottom:0;right:0;width:auto;height:calc(64px + env(safe-area-inset-bottom,0px));padding:0 .4rem env(safe-area-inset-bottom,0px);flex-direction:row;border-right:0;border-top:2px solid var(--line)}
  .side .logo{display:none}
  .nav{flex-direction:row;justify-content:space-around;flex:1;gap:0}
  .nav a{padding:.35rem;border-radius:12px}
  .ni{width:32px;height:32px}
  .logo-mobile{display:flex}
  .logo-mobile .logo-mark{width:36px;height:36px}
  .topbar{padding:0 .8rem}
  #fontbtn,#focusbtn{display:none}
  .content{padding:1.1rem 1rem 6.5rem}
  body.focus .side{display:flex}
}

/* ===== tipografia ===== */
h1,h2,h3,h4{font-family:var(--f);color:var(--strong);font-weight:900;line-height:1.15;letter-spacing:-.01em;text-wrap:balance}
h1{font-size:clamp(1.8rem,3.4vw,2.4rem);margin:.2rem 0 .5rem}
h2{font-size:1.45rem;margin:2.6rem 0 1rem}
h3{font-size:1.12rem;margin:1.6rem 0 .5rem}
p,li{max-width:72ch}
.sub{color:var(--muted);margin:0 0 1rem;font-weight:600}
.crumb{font-size:.8rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--faint);margin:0 0 .9rem}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--blue)}
h2.sec{display:flex;align-items:center;gap:.7rem;flex-wrap:wrap}
.hn2{display:inline-grid;place-items:center;min-width:2rem;height:2rem;padding:0 .4rem;border-radius:10px;background:var(--blue-l);color:var(--blue-t);font-size:.85rem;font-weight:900;flex:none}
.meta{display:flex;flex-wrap:wrap;gap:.45rem;margin:.7rem 0}
.tag{font-size:.78rem;font-weight:800;border:2px solid var(--line);border-radius:999px;padding:.12rem .65rem;color:var(--muted)}
.diff-mark{display:inline-flex;align-items:center;font-size:.7rem;font-weight:900;letter-spacing:.05em;text-transform:uppercase;padding:.18rem .6rem;border-radius:999px;color:#fff;white-space:nowrap;flex:0 0 auto}
.diff-mark.d1{background:var(--d1)}.diff-mark.d2{background:var(--d2)}.diff-mark.d3{background:var(--d3)}
.okc{color:var(--green-t);font-weight:800}.noc{color:var(--muted)}

/* ===== cartões gerais ===== */
.card,.sheet{background:var(--panel);border:2px solid var(--line);border-radius:var(--rad);padding:1.3rem 1.4rem;margin:0 0 1.4rem}
.hero{display:grid;grid-template-columns:auto minmax(0,1fr);gap:1.3rem;align-items:center}
.acell{position:relative;min-width:5rem;height:5rem;padding:.5rem .6rem;border-radius:18px;background:var(--cc,var(--green));box-shadow:0 5px 0 color-mix(in srgb,var(--cc,var(--green)) 70%,#000);color:#fff;font-weight:900;font-size:2rem;line-height:1;display:flex;flex-direction:column;justify-content:flex-end;letter-spacing:-.02em}
.acell small{position:absolute;top:.5rem;left:.6rem;font-size:.62rem;font-weight:900;opacity:.95;letter-spacing:.05em;text-transform:uppercase}
.hero h1{margin:0}
.mascot{display:inline-block;width:110px;height:110px}
.mascot svg{width:100%;height:100%}
.mascot.bob{animation:bob 2.6s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-7px) rotate(2deg)}}

/* ===== TRILHA (página inicial) ===== */
.lv-banner{position:sticky;top:calc(var(--top) + .6rem);z-index:20;display:flex;align-items:center;gap:1rem;justify-content:space-between;background:var(--lc);color:#fff;border-radius:var(--rad);padding:1rem 1.2rem;box-shadow:0 5px 0 var(--lcd);margin:0 0 2.2rem}
.lv-banner small{display:block;font-size:.78rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase;opacity:.85}
.lv-banner h2{margin:.1rem 0 .1rem;color:#fff;font-size:1.35rem}
.lv-banner p{margin:0;font-size:.88rem;opacity:.92;font-weight:700}
.lv-guide{flex:none;display:inline-flex;align-items:center;gap:.45rem;color:#fff;font-weight:900;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;border:2px solid rgba(255,255,255,.45);border-bottom-width:4px;border-radius:14px;padding:.6rem .9rem;background:rgba(255,255,255,.08)}
.lv-guide:hover{color:#fff;background:rgba(255,255,255,.18)}
.lv-guide:active{transform:translateY(2px);border-bottom-width:2px}
.lv-guide svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.path{position:relative;display:flex;flex-direction:column;align-items:center;gap:1.5rem;padding:3.4rem 0 3rem}
.pnode-h{position:relative;display:inline-block}
.pwrap{position:relative;display:flex;flex-direction:column;align-items:center;transform:translateX(var(--x,0px))}
.pnode{position:relative;width:74px;height:70px;border-radius:50%;display:grid;place-items:center;background:var(--gray-node);box-shadow:0 7px 0 var(--gray-node-d);transition:transform .08s,box-shadow .08s;color:var(--gray-ico)}
.pnode:hover{filter:brightness(1.05)}
.pnode:active{transform:translateY(5px);box-shadow:0 2px 0 var(--gray-node-d)}
.pnode svg{width:34px;height:34px;fill:currentColor}
.pnode.done,.pnode.cur{background:var(--lc);box-shadow:0 7px 0 var(--lcd);color:#fff}
.pnode.done:active,.pnode.cur:active{box-shadow:0 2px 0 var(--lcd)}
.pring{position:absolute;inset:-11px -13px -18px;border-radius:50%;background:conic-gradient(var(--lc) calc(var(--p)*1%),var(--gray-node) 0);-webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 9px),#000 calc(100% - 8px));mask:radial-gradient(farthest-side,transparent calc(100% - 9px),#000 calc(100% - 8px));pointer-events:none}
.pnode.trophy{width:84px;height:80px;border-radius:24px}
.pnode.trophy svg{width:40px;height:40px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linejoin:round}
.plabel{margin-top:.75rem;font-size:.82rem;font-weight:800;color:var(--muted);text-align:center;max-width:170px;line-height:1.25}
.plabel b{display:block;font-size:.68rem;letter-spacing:.06em;color:var(--faint);font-weight:900}
.pwrap.is-cur{margin-top:2.8rem}
.pwrap.is-cur .plabel{color:var(--strong);margin-top:1.5rem}
.pbubble{position:absolute;bottom:calc(100% + 16px);left:50%;transform:translateX(-50%);white-space:nowrap;background:var(--panel);border:2px solid var(--line);border-radius:14px;padding:.55rem .9rem;font-weight:900;font-size:.9rem;letter-spacing:.06em;text-transform:uppercase;color:var(--lc);animation:bounce 1.6s ease-in-out infinite;z-index:2}
.pbubble::after{content:"";position:absolute;left:50%;top:100%;width:14px;height:14px;background:var(--panel);border-right:2px solid var(--line);border-bottom:2px solid var(--line);transform:translate(-50%,-6px) rotate(45deg)}
@keyframes bounce{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,-6px)}}
.path-mascot{position:absolute;top:var(--my,140px);width:120px;height:120px;pointer-events:none}
.path-mascot.r{right:6%}.path-mascot.l{left:6%}
.path-mascot svg{width:100%;height:100%}
@media (max-width:560px){.path-mascot{display:none}.lv-banner{padding:.85rem 1rem}.lv-guide span{display:none}}
.path-end{text-align:center;color:var(--muted);margin:1rem 0 0}

/* ===== trilho lateral (direita) ===== */
.rcard{border:2px solid var(--line);border-radius:var(--rad);padding:1.1rem 1.2rem;background:var(--panel)}
.rcard h3{margin:0 0 .7rem;font-size:1.08rem;display:flex;align-items:center;justify-content:space-between;gap:.6rem}
.rcard h3 a{font-size:.78rem;letter-spacing:.06em;text-transform:uppercase}
.rcard p{margin:.2rem 0 .8rem;color:var(--muted);font-size:.92rem}
.goal{display:flex;align-items:center;gap:.9rem}
.goal-ico{width:52px;height:52px;flex:none}
.goal-ico svg{width:100%;height:100%}
.goal-txt{flex:1;min-width:0}
.goal-txt b{display:block;font-size:.95rem;margin-bottom:.35rem}
.pbar{position:relative;height:16px;border-radius:99px;background:var(--gray-node);overflow:hidden}
.pbar>i{position:absolute;inset:0 auto 0 0;border-radius:99px;background:var(--bc,var(--green));transition:width .5s}
.pbar>i::after{content:"";position:absolute;left:8px;right:8px;top:4px;height:4px;border-radius:99px;background:rgba(255,255,255,.3)}
.pbar-n{font-size:.78rem;font-weight:800;color:var(--faint);margin-top:.3rem;display:block}
.rlv{display:flex;align-items:center;gap:.8rem;padding:.55rem 0;border-top:2px solid var(--soft)}
.rlv:first-of-type{border-top:0}
.rlv-dot{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;color:#fff;font-weight:900;font-size:.8rem;flex:none;background:var(--lc);box-shadow:0 3px 0 var(--lcd)}
.rlv-txt{flex:1;min-width:0;font-weight:800;font-size:.9rem;color:var(--strong)}
.rlv-txt .pbar{height:10px;margin-top:.35rem}
.rlv-txt .pbar>i::after{display:none}
.rlv-n{font-size:.8rem;font-weight:900;color:var(--muted)}
.rfoot{font-size:.78rem;color:var(--faint);text-align:center;font-weight:700}

/* ===== página de módulos / nível ===== */
.home-sec{display:flex;align-items:center;gap:.7rem;font-weight:900;font-size:1.15rem;color:var(--strong);margin:2.2rem 0 1rem}
.modgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:.9rem}
.modp{display:block;padding:1rem 1rem .9rem;border:2px solid var(--line);border-bottom-width:4px;border-radius:var(--rad);background:var(--panel);color:var(--ink);transition:transform .1s,border-color .15s}
.modp:hover{border-color:var(--lc,var(--blue-line));color:var(--ink);transform:translateY(-2px)}
.modp:active{transform:translateY(2px);border-bottom-width:2px}
.modp-head{display:flex;align-items:center;gap:.6rem;margin-bottom:.7rem}
.modp-badge{flex:0 0 auto;min-width:2.6rem;height:2.6rem;padding:0 .3rem;border-radius:12px;color:#fff;font-weight:900;font-size:.72rem;display:grid;place-items:center;background:var(--lc);box-shadow:0 3px 0 var(--lcd)}
.modp-name{flex:1;font-weight:800;font-size:.95rem;line-height:1.2;color:var(--strong)}
.modp-pct{flex:0 0 auto;font-weight:900;font-size:.85rem;color:var(--muted)}
.modp-meta{margin-top:.5rem;font-size:.78rem;font-weight:700;color:var(--faint)}
.bar{height:12px;border-radius:99px;background:var(--gray-node);overflow:hidden}
.bar>i{display:block;height:100%;background:var(--bc,var(--green));border-radius:99px}
.filters{display:flex;flex-wrap:wrap;gap:.6rem;margin:1rem 0 .4rem}
.course-head{display:flex;justify-content:space-between;gap:24px;align-items:center;flex-wrap:wrap}
.ring{position:relative;width:84px;height:84px;flex:none}
.ring svg{transform:rotate(-90deg)}
.ring-txt{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.ring-txt b{font-size:1.05rem;font-weight:900}
.ring-txt span{font-size:.6rem;font-weight:900;color:var(--faint);letter-spacing:.08em}
.lesson-list{display:flex;flex-direction:column;gap:.6rem;margin-top:1rem}
.lesson{display:flex;align-items:center;gap:1rem;padding:.85rem 1rem;border:2px solid var(--line);border-bottom-width:4px;border-radius:var(--rad);color:var(--ink);background:var(--panel)}
.lesson:hover{border-color:var(--lc,var(--blue-line));color:var(--ink)}
.lesson:active{transform:translateY(2px);border-bottom-width:2px}
.lchk{width:28px;height:28px;border-radius:50%;border:3px solid var(--line);flex:none;display:grid;place-items:center}
.lesson.done .lchk{background:var(--green);border-color:var(--green)}
.lesson.done .lchk::after{content:"";width:11px;height:6px;border-left:3px solid #fff;border-bottom:3px solid #fff;transform:translateY(-1px) rotate(-45deg)}
.lnum{font-size:.78rem;font-weight:900;color:var(--lc,var(--faint));width:3.2rem;flex:none}
.ltitle{flex:1;font-weight:800;color:var(--strong)}
.ltitle small{display:block;color:var(--faint);font-size:.78rem;font-weight:700}
.lesson.done .ltitle{color:var(--muted)}
.lbar{width:110px;flex:none}
@media (max-width:560px){.lbar{display:none}}

/* ===== página de módulo (aula) ===== */
.lesson-page{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:2rem;align-items:start}
.lp-main{min-width:0}
.lp-eyebrow{display:flex;gap:.55rem;align-items:center;flex-wrap:wrap;font-size:.78rem;font-weight:900;letter-spacing:.06em;text-transform:uppercase;color:var(--faint);margin-bottom:.4rem}
.lp-side{position:sticky;top:calc(var(--top) + 1.4rem);display:flex;flex-direction:column;gap:1.2rem}
.side-block{border:2px solid var(--line);border-radius:var(--rad);padding:1rem}
.side-block b{display:block;font-size:.74rem;letter-spacing:.07em;text-transform:uppercase;color:var(--faint);margin-bottom:.7rem;font-weight:900}
.mini-list{display:flex;flex-direction:column;gap:.15rem}
.mini-item{display:flex;gap:.55rem;align-items:center;font-size:.84rem;color:var(--muted);font-weight:700;padding:.35rem .45rem;border-radius:10px;line-height:1.25}
.mini-item:hover{background:var(--soft);color:var(--ink)}
.mini-dot{width:10px;height:10px;border-radius:50%;background:var(--gray-node);flex:none}
.mini-item.done .mini-dot{background:var(--green)}
.mini-item.active{background:var(--blue-l);color:var(--blue-t);font-weight:900}
.mini-item.active .mini-dot{background:var(--blue)}
@media (max-width:980px){.lesson-page{grid-template-columns:1fr}.lp-side{position:static}}
.study-tools{display:flex;flex-wrap:wrap;gap:.7rem;align-items:center;margin:1rem 0 1.6rem}
.study-tools .stt{display:none}
.stbtn{--b:var(--line);--bd:var(--line);--bc:var(--panel);--tx:var(--blue-t);display:inline-flex;align-items:center;gap:.5rem;min-height:46px;padding:.55rem 1.1rem;font-weight:900;font-size:.86rem;letter-spacing:.06em;text-transform:uppercase;color:var(--tx);background:var(--bc);border:2px solid var(--b);border-bottom:4px solid var(--bd);border-radius:var(--rad)}
.stbtn:not(.ghost){--b:var(--green);--bd:var(--green-d);--bc:var(--green);--tx:#fff}
.stbtn:active{transform:translateY(2px);border-bottom-width:2px}
.stbtn svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
@media (max-width:560px){.stbtn{flex:1 1 auto;justify-content:center}}
.call{border:2px solid var(--line);border-radius:var(--rad);background:var(--panel);padding:1rem 1.2rem;margin:1.1rem 0}
.call>.lab{display:flex;align-items:center;gap:.5rem;font-weight:900;font-size:.82rem;letter-spacing:.07em;text-transform:uppercase;color:var(--c,var(--blue-t));margin:0 0 .4rem}
.call p{margin:.35rem 0}.call ul{margin:.3rem 0;padding-left:1.2rem}
.call.k-obj{--c:var(--green-t);background:var(--green-l);border-color:color-mix(in srgb,var(--green) 40%,var(--line))}
.call.k-obj{display:grid;grid-template-columns:auto minmax(0,1fr);gap:.2rem 1rem;align-items:center}
.call.k-obj .lab{grid-column:2}
.call.k-obj p{grid-column:2}
.call.k-obj .mascot{grid-row:1/span 2;width:64px;height:64px}
.call.k-atencao{--c:var(--red-t);background:var(--red-l);border-color:color-mix(in srgb,var(--red) 35%,var(--line))}
.call.k-dica{--c:var(--blue-t);background:var(--blue-l);border-color:var(--blue-line)}
.call.k-atencao s{color:var(--red-t);text-decoration-thickness:2px}
.pt-card{border:2px solid var(--line);border-radius:var(--rad);padding:1rem 1.2rem;margin:.8rem 0;background:var(--panel)}
.pt-card h3{margin:0 0 .4rem;font-size:1.06rem;display:flex;gap:.6rem;align-items:center}
.pt-card h3 .hn2{min-width:1.7rem;height:1.7rem;font-size:.75rem;background:var(--green-l);color:var(--green-t)}
.pt-card p{margin:.3rem 0}
li::marker{color:var(--green)}
.tw{overflow-x:auto;margin:1rem 0;border:2px solid var(--line);border-radius:var(--rad)}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{text-align:left;vertical-align:middle;padding:.65rem .9rem;border-bottom:2px solid var(--soft)}
th{font-weight:900;font-size:.76rem;letter-spacing:.07em;text-transform:uppercase;color:var(--faint);background:var(--panel2)}
tbody tr:last-child td{border-bottom:0}
td.en{font-weight:800;color:var(--strong)}
td.pt{color:var(--muted)}
.en-row{display:flex;align-items:center;gap:.8rem}
.en-row .say{margin:0 0 4px}
.say{width:38px;height:36px;border:0;border-radius:12px;background:var(--blue);box-shadow:0 4px 0 var(--blue-d);display:inline-grid;place-items:center;vertical-align:middle;margin:0 .7rem 4px 0;color:#fff;padding:0}
.say:active{transform:translateY(3px);box-shadow:0 1px 0 var(--blue-d)}
.say svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2.3;stroke-linecap:round;stroke-linejoin:round}

/* exercícios */
.drill{list-style:none;counter-reset:d;padding:0;margin:1rem 0;display:flex;flex-direction:column;gap:.7rem}
.dr{counter-increment:d;display:block;position:relative;padding:.8rem 1rem .8rem 3.4rem;border:2px solid var(--line);border-radius:var(--rad);line-height:2.3;max-width:none;font-weight:700;color:var(--strong)}
.dr::before{content:counter(d);position:absolute;left:.9rem;top:.95rem;width:1.8rem;height:1.8rem;border-radius:50%;background:var(--soft);display:grid;place-items:center;font-size:.8rem;font-weight:900;color:var(--muted);line-height:1}
.dr input{border:2px solid var(--line);border-bottom-width:4px;background:var(--panel);border-radius:12px;padding:.1rem .5rem;margin:0 .3rem;min-width:5ch;max-width:100%;font-weight:800;text-align:center;color:var(--blue-t)}
.dr input:focus{outline:none;border-color:var(--blue-line);background:var(--blue-l)}
.dr.ok{border-color:color-mix(in srgb,var(--green) 55%,var(--line));background:var(--green-l)}
.dr.ok::before{background:var(--green);color:#fff;content:"✓"}
.dr.ok input{border-color:var(--green);color:var(--green-t);background:var(--panel)}
.dr.bad{border-color:color-mix(in srgb,var(--red) 55%,var(--line));background:var(--red-l)}
.dr.bad::before{background:var(--red);color:#fff;content:"✕"}
.dr.bad input{border-color:var(--red);color:var(--red-t)}
.drfb{font-size:.86rem;margin-left:.5rem;font-weight:900}
.dr.ok .drfb{color:var(--green-t)}.dr.bad .drfb{color:var(--red-t)}
.drill-acts{display:flex;gap:.7rem;flex-wrap:wrap;align-items:center}
.drscore{font-weight:900;color:var(--muted)}

/* unidades do livro */
.units{display:flex;flex-direction:column;gap:.55rem;margin:1rem 0}
.unit{display:flex;align-items:center;gap:.9rem;padding:.7rem .9rem;border:2px solid var(--line);border-radius:var(--rad);background:var(--panel)}
.unit.done{background:var(--green-l);border-color:color-mix(in srgb,var(--green) 45%,var(--line))}
.unit input{appearance:none;-webkit-appearance:none;width:28px;height:28px;margin:0;border:3px solid var(--line);border-radius:9px;display:grid;place-items:center;cursor:pointer;flex:none;background:var(--panel)}
.unit input:checked{background:var(--green);border-color:var(--green)}
.unit input:checked::after{content:"";width:11px;height:6px;border-left:3px solid #fff;border-bottom:3px solid #fff;transform:translateY(-1px) rotate(-45deg)}
.unit label{flex:1;min-width:0;cursor:pointer;font-weight:800;color:var(--strong);line-height:1.3}
.unit label small{display:block;font-size:.72rem;font-weight:900;letter-spacing:.05em;text-transform:uppercase;color:var(--faint)}
.unit.done label{color:var(--green-t)}
.unit .pdf{flex:none;font-weight:900;font-size:.74rem;letter-spacing:.05em;text-transform:uppercase;border:2px solid var(--line);border-bottom-width:4px;border-radius:12px;padding:.35rem .7rem;background:var(--panel);color:var(--blue-t);white-space:nowrap;min-height:38px}
.unit .pdf:active{transform:translateY(2px);border-bottom-width:2px}
textarea{width:100%;min-height:120px;border:2px solid var(--line);border-radius:var(--rad);background:var(--panel2);padding:.8rem 1rem;line-height:1.55;resize:vertical;font-weight:600}
textarea:focus{background:var(--panel);border-color:var(--blue-line);outline:0}
input[type=text],input[type=search],input[type=email]{border:2px solid var(--line);border-radius:14px;background:var(--panel2);padding:.55rem .9rem;min-height:48px;font-weight:700}
input[type=text]:focus,input[type=search]:focus,input[type=email]:focus{outline:0;border-color:var(--blue-line);background:var(--panel)}
.saved{font-size:.8rem;color:var(--faint);font-weight:800}
.secchk{display:inline-flex;gap:.7rem;align-items:center;cursor:pointer;font-weight:900;font-size:.9rem;letter-spacing:.06em;text-transform:uppercase;color:var(--green-t);border:2px solid var(--line);border-bottom-width:4px;border-radius:var(--rad);padding:.7rem 1.2rem;margin-top:1.4rem;background:var(--panel)}
.secchk:active{transform:translateY(2px);border-bottom-width:2px}
.secchk input{appearance:none;-webkit-appearance:none;width:26px;height:26px;margin:0;border:3px solid currentColor;border-radius:50%;display:grid;place-items:center;cursor:pointer}
.secchk:has(input:checked){background:var(--green);border-color:var(--green-d);color:#fff}
.secchk input:checked{background:#fff;border-color:#fff}
.secchk input:checked::after{content:"";width:10px;height:5px;border-left:3px solid var(--green);border-bottom:3px solid var(--green);transform:translateY(-1px) rotate(-45deg)}
.lp-nav{display:flex;justify-content:space-between;gap:.7rem;margin-top:2.2rem;padding-top:1.4rem;border-top:2px solid var(--line);flex-wrap:wrap}
.navbtn{display:inline-flex;align-items:center;gap:.4rem;min-height:46px;padding:.55rem 1rem;font-weight:900;font-size:.84rem;letter-spacing:.05em;text-transform:uppercase;color:var(--blue-t);border:2px solid var(--line);border-bottom-width:4px;border-radius:var(--rad);background:var(--panel)}
.navbtn.next{margin-left:auto;background:var(--green);border-color:var(--green);border-bottom-color:var(--green-d);color:#fff}
.navbtn.next:hover{color:#fff}
.navbtn:active{transform:translateY(2px);border-bottom-width:2px}

/* ===== KPIs / progresso ===== */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:.9rem;margin:1rem 0}
.stat{display:flex;align-items:center;gap:.8rem;border:2px solid var(--line);border-radius:var(--rad);padding:.9rem 1rem;font-size:.85rem;font-weight:800;color:var(--muted)}
.stat .si{width:36px;height:36px;flex:none}
.stat .si svg{width:100%;height:100%}
.stat b{display:block;font-size:1.45rem;font-weight:900;line-height:1.1;color:var(--strong)}
.modrow{display:grid;grid-template-columns:minmax(0,1fr) 160px 3rem;gap:.8rem;align-items:center;padding:.65rem 0;border-bottom:2px solid var(--soft);font-size:.93rem}
.modrow a{color:var(--strong);font-weight:800}.modrow a:hover{color:var(--blue)}
.modrow .n{font-weight:900;font-size:.85rem;text-align:right;color:var(--muted)}
@media (max-width:560px){.modrow{grid-template-columns:minmax(0,1fr) 70px 2.6rem}}
.res{border:2px solid var(--line);border-radius:var(--rad);padding:.9rem 1.1rem;margin-bottom:.7rem}
.res a{font-weight:900}
.res .kind{font-size:.68rem;font-weight:900;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 .4rem 0 .5rem;border:2px solid var(--line);border-radius:999px;padding:.05rem .5rem}
.res p{margin:.3rem 0 0;color:var(--muted);font-size:.9rem}
mark.q{background:var(--yellow);color:#3C3C3C;border-radius:4px;padding:0 .1em}
.bookcard{display:grid;grid-template-columns:auto minmax(0,1fr);gap:1.1rem;align-items:start;border:2px solid var(--line);border-radius:var(--rad);padding:1.2rem;margin:.9rem 0}
.bookcard h3{margin:0 0 .25rem}
.bookcard .acts{margin-top:.8rem}
.filebtn{position:relative;overflow:hidden}
.filebtn input{position:absolute;inset:0;opacity:0;cursor:pointer}
.toast{position:fixed;left:50%;bottom:calc(84px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--strong);color:var(--bg);padding:.75rem 1.2rem;border-radius:14px;z-index:400;display:none;font-weight:800;font-size:.95rem;box-shadow:0 10px 30px rgba(0,0,0,.25);max-width:calc(100% - 32px)}
@media (min-width:761px){.toast{bottom:1.4rem}}

/* ===== modais ===== */
.smodal{position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;padding:1rem;background:rgba(0,0,0,.45);animation:smfade .18s ease}
@keyframes smfade{from{opacity:0}to{opacity:1}}
.smodal-box{display:flex;flex-direction:column;width:min(720px,100%);max-height:min(94vh,960px);background:var(--panel);border:2px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.smodal-head{display:flex;align-items:center;gap:.7rem;padding:.9rem 1.1rem;border-bottom:2px solid var(--line)}
.smodal-head .smk{font-size:.68rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:#fff;background:var(--blue);border-radius:999px;padding:.22rem .65rem;flex:none}
.smodal-head .smt{font-weight:900;font-size:1rem;margin:0;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--strong)}
.smx{flex:none;width:40px;height:40px;display:grid;place-items:center;border:0;background:transparent;border-radius:12px;color:var(--faint);font-size:1.2rem;font-weight:900}
.smx:hover{background:var(--soft);color:var(--ink)}
.smodal-body{padding:1.3rem;overflow:auto;flex:1;min-height:0}
.smodal-foot{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem;padding:.9rem 1.1rem;border-top:2px solid var(--line)}
.fc-wrap{display:flex;flex-direction:column;align-items:center;gap:1.1rem}
.fc-progress{width:100%;height:16px;border-radius:99px;background:var(--gray-node);overflow:hidden}
.fc-bar{display:block;height:100%;width:0;background:var(--green);border-radius:99px;transition:width .35s}
.fc-deck{position:relative;width:100%;max-width:560px}
.flashcard{position:relative;width:100%;height:300px;perspective:1600px;cursor:pointer}
.fc-inner{position:relative;width:100%;height:100%;transition:transform .55s cubic-bezier(.4,.15,.2,1);transform-style:preserve-3d}
.flashcard.flipped .fc-inner{transform:rotateY(180deg)}
.fc-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:1rem;padding:2rem 1.6rem 2.8rem;border-radius:22px;border:2px solid var(--line);border-bottom-width:6px;text-align:center;overflow:auto;background:var(--panel)}
.fc-back{background:var(--blue-l);border-color:var(--blue-line);transform:rotateY(180deg)}
.fc-chip{font-size:.66rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:#fff;background:var(--green);border-radius:999px;padding:.25rem .7rem}
.fc-back .fc-chip{background:var(--blue)}
.fc-q{font-weight:900;font-size:1.35rem;line-height:1.35;color:var(--strong);max-width:34ch}
.fc-a{font-size:1.08rem;line-height:1.55;font-weight:700;max-width:44ch}
.fc-hint{position:absolute;bottom:1rem;left:0;right:0;text-align:center;font-size:.74rem;font-weight:800;color:var(--faint)}
.fc-count{font-weight:900;color:var(--muted)}
.qz-count{display:flex;gap:.6rem;align-items:center;font-size:.8rem;font-weight:900;color:var(--muted);margin:0 0 .8rem}
.qz-stem{font-weight:900;font-size:1.3rem;line-height:1.35;color:var(--strong);margin:.4rem 0 1.2rem}
.qz-opts{display:flex;flex-direction:column;gap:.7rem}
.qz-opt{display:flex;align-items:center;gap:.8rem;text-align:left;width:100%;padding:.8rem 1rem;border:2px solid var(--line);border-bottom-width:4px;border-radius:var(--rad);background:var(--panel);font-size:1rem;font-weight:700;line-height:1.4;color:var(--strong)}
.qz-opt:hover:not(:disabled){background:var(--soft)}
.qz-opt:active:not(:disabled){transform:translateY(2px);border-bottom-width:2px}
.qz-opt:disabled{cursor:default}
.qz-key{flex:none;width:30px;height:30px;border-radius:9px;border:2px solid var(--line);display:grid;place-items:center;font-weight:900;font-size:.85rem;color:var(--faint)}
.qz-opt.ok{border-color:var(--green);background:var(--green-l);color:var(--green-t)}
.qz-opt.ok .qz-key{border-color:var(--green);background:var(--green);color:#fff}
.qz-opt.bad{border-color:var(--red);background:var(--red-l);color:var(--red-t)}
.qz-opt.bad .qz-key{border-color:var(--red);background:var(--red);color:#fff}
.qz-fb{margin:1.2rem -1.3rem -1.3rem;padding:1.1rem 1.3rem 1.3rem;display:flex;flex-wrap:wrap;align-items:center;gap:1rem;animation:slideup .22s ease}
@keyframes slideup{from{transform:translateY(20px);opacity:0}to{transform:none;opacity:1}}
.qz-fb.ok{background:var(--green-l);color:var(--green-t)}
.qz-fb.bad{background:var(--red-l);color:var(--red-t)}
.qz-fb-ico{width:52px;height:52px;border-radius:50%;background:var(--panel);display:grid;place-items:center;flex:none}
.qz-fb-ico svg{width:30px;height:30px;stroke:currentColor;fill:none;stroke-width:3.4;stroke-linecap:round;stroke-linejoin:round}
.qz-fb-txt{flex:1 1 260px;min-width:0}
.qz-fb-txt>b{display:block;font-size:1.3rem;font-weight:900;color:inherit}
.qz-fb-txt span b{color:inherit}
.qz-fb-txt>span{display:block}
.qz-fb-txt span{font-weight:700;font-size:.95rem}
.qz-fb .btn{min-width:160px}
.qz-fb.bad .btn.primary{--b:var(--red);--bd:var(--red-d);--bc:var(--red)}
.qz-score{margin-left:auto;font-weight:900}
.qz-result{display:flex;flex-direction:column;align-items:center;text-align:center;gap:.6rem;padding:.6rem .4rem}
.qz-result .mascot{width:120px;height:120px}
.qz-result b{font-size:1.5rem;font-weight:900;color:var(--strong)}
.qz-result>span{color:var(--muted);font-weight:700;max-width:52ch}
.qz-boxes{display:flex;gap:.8rem;margin:.4rem 0 .6rem}
.qz-box{border:2px solid var(--bx);border-radius:16px;overflow:hidden;min-width:120px;background:var(--bx)}
.qz-box small{display:block;color:#fff;font-weight:900;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;padding:.25rem .6rem}
.qz-box b{display:block;background:var(--panel);border-radius:13px;padding:.55rem .6rem;font-size:1.25rem;color:var(--bx)}
.qz-ractions{margin-top:.6rem;justify-content:center}

/* ===== ofensiva / XP ===== */
.gm-hero{display:flex;align-items:center;gap:1rem;padding:1.1rem 1.2rem;border-radius:var(--rad);background:var(--orange-l);border:2px solid color-mix(in srgb,var(--orange) 40%,var(--line));margin-bottom:1.1rem}
.gm-flame{position:relative;width:64px;height:64px;flex:none;display:grid;place-items:center}
.gm-flame svg{width:60px;height:60px;fill:var(--gray-node)}
.gm-flame.on svg{fill:var(--orange)}
.gm-flame-n{position:absolute;inset:0;display:grid;place-items:center;font-weight:900;font-size:1.15rem;color:#fff;padding-top:9px}
.gm-hero b{display:block;font-size:1.25rem;font-weight:900;color:var(--strong)}
.gm-hero span{font-size:.9rem;color:var(--muted);font-weight:700}
.gm-level{border:2px solid var(--line);border-radius:var(--rad);padding:1rem 1.1rem;margin-bottom:1.2rem}
.gm-lv-top{display:flex;align-items:center;gap:.8rem;margin-bottom:.8rem}
.gm-lv-badge{font-weight:900;color:#fff;background:var(--purple);box-shadow:0 3px 0 var(--purple-d);border-radius:12px;padding:.45rem .65rem;flex:none}
.gm-lv-top b{display:block;font-weight:900}
.gm-lv-top span{font-size:.85rem;color:var(--muted);font-weight:700}
.gm-bar{height:16px;border-radius:99px;background:var(--gray-node);overflow:hidden}
.gm-bar>i{display:block;height:100%;background:var(--purple);border-radius:99px;transition:width .5s}
.gm-sub{font-weight:900;font-size:1rem;margin:0 0 .7rem;color:var(--strong)}
.gm-week{display:grid;grid-template-columns:repeat(7,1fr);gap:.45rem;margin-bottom:1rem}
.gm-day{display:flex;flex-direction:column;align-items:center;gap:.25rem;padding:.55rem .2rem;border-radius:14px;border:2px solid var(--line)}
.gm-day-l{font-size:.7rem;font-weight:900;color:var(--muted);text-transform:uppercase}
.gm-day.done{border-color:var(--orange);background:var(--orange-l)}
.gm-day.today{border-color:var(--blue-line);box-shadow:0 0 0 2px var(--blue-line)}
.gm-legend{font-size:.82rem;color:var(--muted);font-weight:700;line-height:1.55}

.linkbtn{border:0;background:none;padding:0;color:var(--blue-t);font-weight:900;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase}
.linkbtn:hover{color:var(--blue)}
.goal-pick{display:flex;align-items:center;gap:1rem;margin-bottom:1.1rem}
.goal-pick .mascot{width:76px;height:76px;flex:none}
.goal-opts{display:flex;flex-direction:column;gap:.65rem}
.goal-opt{display:flex;align-items:center;gap:.8rem;width:100%;text-align:left;padding:.9rem 1.1rem;border:2px solid var(--line);border-bottom-width:4px;border-radius:var(--rad);background:var(--panel);color:var(--strong)}
.goal-opt:hover{background:var(--soft)}
.goal-opt:active{transform:translateY(2px);border-bottom-width:2px}
.goal-opt.on{background:var(--blue-l);border-color:var(--blue-line);color:var(--blue-t)}
.goal-n{font-weight:900;font-size:1.05rem;min-width:5.5rem}
.goal-d{flex:1;color:var(--muted);font-weight:700;font-size:.9rem}
.goal-opt.on .goal-d{color:var(--blue-t)}
.goal-x{font-weight:900}
@media (max-width:480px){.goal-d{display:none}}

.wb-card{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;border:2px solid var(--line);border-radius:var(--rad);padding:1rem 1.2rem}
.wb-ico{width:52px;height:52px;border-radius:14px;background:var(--purple);box-shadow:0 4px 0 var(--purple-d);display:grid;place-items:center;color:#fff;flex:none}
.wb-ico svg{width:30px;height:30px;fill:none;stroke:currentColor;stroke-width:2.2}
.wb-card-txt{flex:1 1 220px;min-width:0}
.wb-card-txt b{display:block;margin-bottom:.4rem}
.wb-ask{font-weight:900;font-size:1.35rem;color:var(--strong);margin:0 0 .9rem}
.wb-prompt{display:flex;align-items:flex-end;gap:.8rem;margin-bottom:1.2rem}
.wb-prompt .mascot{width:84px;height:84px;flex:none}
.wb-bubble{position:relative;border:2px solid var(--line);border-radius:16px;padding:.8rem 1rem;font-weight:800;font-size:1.05rem;color:var(--strong);margin-bottom:1.6rem}
.wb-bubble::before{content:"";position:absolute;left:-9px;bottom:14px;width:14px;height:14px;background:var(--panel);border-left:2px solid var(--line);border-bottom:2px solid var(--line);transform:rotate(45deg)}
.wb-line{display:flex;flex-wrap:wrap;align-content:flex-start;gap:.5rem;min-height:116px;padding:.4rem 0 .8rem;background:repeating-linear-gradient(to bottom,transparent 0,transparent 55px,var(--line) 55px,var(--line) 57px);margin-bottom:1.4rem;border-radius:4px;transition:background-color .2s}
.wb-bank{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;margin-bottom:1.2rem}
.wb-tile{border:2px solid var(--line);border-bottom-width:4px;border-radius:14px;background:var(--panel);padding:.45rem .85rem;font-weight:800;font-size:1rem;color:var(--strong);min-height:46px;line-height:1.2}
.wb-tile:hover{background:var(--soft)}
.wb-tile:active{transform:translateY(2px);border-bottom-width:2px}
.wb-tile.ghost{background:var(--gray-node);border-color:var(--gray-node);color:transparent;cursor:default;box-shadow:none}
.wb-line.ok .wb-tile{border-color:var(--green);color:var(--green-t);background:var(--green-l)}
.wb-line.bad .wb-tile{border-color:var(--red);color:var(--red-t);background:var(--red-l)}
.wb-actions{display:flex;justify-content:space-between;gap:.7rem;border-top:2px solid var(--line);padding-top:1rem}
.wb-actions .btn.primary{min-width:160px}
.btn:disabled{--b:var(--line);--bd:var(--line);--bc:var(--gray-node);--tx:var(--faint);cursor:not-allowed;filter:none}
.wb-sol{display:flex!important;align-items:center;gap:.7rem;font-weight:800!important;margin-top:.2rem}
.wb-sol .say{margin:0 0 4px}

.rv-hero{display:flex;align-items:center;gap:1.4rem}
.rv-hero .mascot{width:110px;height:110px;flex:none}
@media (max-width:560px){.rv-hero{flex-direction:column;align-items:flex-start}.rv-hero .mascot{width:80px;height:80px}}
.rv-boxes{display:grid;grid-template-columns:repeat(5,1fr);gap:.6rem}
.rv-box{border:2px solid var(--line);border-radius:var(--rad);padding:.8rem .5rem;text-align:center;display:flex;flex-direction:column;gap:.1rem}
.rv-box b{font-size:1.5rem;font-weight:900;color:var(--faint)}
.rv-box.on{border-color:var(--blue-line);background:var(--blue-l)}
.rv-box.on b{color:var(--blue-t)}
.rv-box span{font-weight:900;font-size:.85rem;color:var(--strong)}
.rv-box small{font-size:.72rem;font-weight:700;color:var(--muted)}
@media (max-width:560px){.rv-boxes{grid-template-columns:repeat(3,1fr)}}
.rv-count{flex:none;min-width:2.2rem;height:2.2rem;padding:0 .5rem;border-radius:999px;background:var(--red-l);color:var(--red-t);font-weight:900;display:grid;place-items:center}
.rv-type{font-weight:900;color:var(--faint);text-transform:uppercase;letter-spacing:.05em;font-size:.72rem}
.rv-mod{margin:-.3rem 0 .8rem;font-size:.82rem;font-weight:800;color:var(--faint)}
.rv-dr{padding-left:1rem;margin-bottom:1.2rem;font-size:1.1rem}
.rv-dr::before{display:none}
.rv-ico{display:grid;place-items:center;border-radius:14px;background:var(--blue);box-shadow:0 4px 0 var(--blue-d);color:#fff}
.rv-ico svg{width:30px!important;height:30px!important;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}

.qz-fb-txt>span.ch-sol{display:block;font-weight:800;margin-top:.15rem}
.ch-sol b{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
.ch-ico{background:var(--orange);box-shadow:0 4px 0 var(--orange-d)}
.ct-box{border:2px solid var(--line);border-radius:var(--rad);padding:1rem 1.2rem;margin-bottom:1.2rem}
.ct-title{display:block;font-size:.78rem;letter-spacing:.07em;text-transform:uppercase;color:var(--faint);margin-bottom:.4rem}
.ct-text{margin:0;line-height:2.5;font-size:1.05rem;color:var(--strong);font-weight:700;max-width:none}
.ct-gap{white-space:nowrap}
.ct-gap small{font-size:.75rem;color:var(--faint);font-weight:800;margin-right:.2rem}
.ct-gap input,.kw-new input{border:2px solid var(--line);border-bottom-width:4px;background:var(--panel);border-radius:12px;padding:.05rem .5rem;margin:0 .25rem;min-width:5ch;font-weight:800;text-align:center;color:var(--blue-t);max-width:100%}
.kw-new input{width:22ch;min-height:40px}
.ct-gap input:focus,.kw-new input:focus,.er-fix input:focus{outline:none;border-color:var(--blue-line);background:var(--blue-l)}
.ct-gap input.ok,.kw-new input.ok{border-color:var(--green);color:var(--green-t);background:var(--green-l)}
.ct-gap input.bad,.kw-new input.bad{border-color:var(--red);color:var(--red-t);background:var(--red-l);text-decoration:line-through}
.ct-fix{font-style:normal;font-weight:900;color:var(--green-t);background:var(--green-l);border-radius:8px;padding:.05rem .45rem;margin-right:.3rem}
.er-line{display:flex;flex-wrap:wrap;gap:.45rem;margin:1rem 0 1.2rem}
.er-tok{border:2px solid var(--line);border-bottom-width:4px;border-radius:12px;background:var(--panel);padding:.4rem .75rem;font-weight:800;font-size:1.02rem;color:var(--strong);min-height:44px}
.er-tok:hover:not(:disabled){background:var(--soft)}
.er-tok.sel{border-color:var(--blue-line);background:var(--blue-l);color:var(--blue-t)}
.er-tok.right{border-color:var(--green);background:var(--green-l);color:var(--green-t)}
.er-tok.wrongpick{border-color:var(--red);background:var(--red-l);color:var(--red-t)}
.er-tok:disabled{cursor:default}
.er-fix{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem;margin-bottom:1.2rem}
.er-fix[hidden]{display:none}
.er-fix label{font-weight:800;color:var(--muted)}
.er-fix label b{color:var(--blue-t)}
.er-fix input{flex:1 1 220px;border:2px solid var(--line);border-bottom-width:4px;border-radius:12px;padding:.45rem .8rem;font-weight:800;background:var(--panel);min-height:46px}
.kw-orig{border-left:4px solid var(--line);padding:.4rem .9rem;font-weight:700;color:var(--muted);margin:.4rem 0 1rem;font-size:1.02rem}
.kw-key{display:inline-block;font-weight:900;letter-spacing:.1em;color:#fff;background:var(--orange);box-shadow:0 3px 0 var(--orange-d);border-radius:10px;padding:.3rem .8rem;margin-bottom:1rem}
.kw-new{font-weight:800;font-size:1.05rem;color:var(--strong);line-height:2.4;margin-bottom:1.2rem}

/* confete */
.confetti{position:fixed;inset:0;pointer-events:none;z-index:450;overflow:hidden}
.confetti i{position:absolute;top:-20px;width:10px;height:16px;border-radius:3px;animation:fall linear forwards}
@keyframes fall{to{transform:translate3d(var(--dx),110vh,0) rotate(var(--r));}}

@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media print{.side,.topbar,.rail,.study-tools,.lp-side,.lp-nav,.drill-acts{display:none!important}.shell{margin:0}}