/*! ArxDa Math — © 2026 ArxDa. All rights reserved. Unauthorized copying, modification, hosting or distribution of this file is prohibited. */

/* ---------- fonts (self-hosted; SIL Open Font License 1.1, see assets/fonts/OFL-*.txt) ---------- */
@font-face{font-family:'Fredoka';font-style:normal;font-weight:400 700;font-display:swap;src:url(../fonts/fredoka-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Nunito';font-style:normal;font-weight:400 900;font-display:swap;src:url(../fonts/nunito-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --bg:#F5F2FF;--ink:#2B2350;--ink2:#5B5487;--mute:#7C76A3;--line:#E6E0FA;--line2:#D6CEF5;--card:#fff;
  --brand:#6C4CF5;--brand-d:#4E30D2;--brand-l:#EEE9FF;
  --green:#2FBF71;--green-d:#1E9655;--green-l:#E2F8EC;
  --red:#FF5A5F;--red-d:#D63B41;--red-l:#FFE9EA;
  --gold:#FFB020;--gold-d:#D98B00;--gold-l:#FFF4D6;
  --orange:#FF7A2F;--blue:#2F8CFF;--pink:#F0468C;
  --r:20px;--display:'Fredoka','Nunito',system-ui,sans-serif;--body:'Nunito',system-ui,-apple-system,'Segoe UI',sans-serif;
  --tab-h:66px;color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;background:var(--bg)}
body{margin:0;min-height:100vh;color:var(--ink);font:500 16px/1.5 var(--body);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;
  background:var(--bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cg fill='none' stroke='%23E4DDFB' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M22 30h16M30 22v16M110 40h16M100 104l12 12M112 104l-12 12M36 120h16'/%3E%3Ccircle cx='44' cy='112' r='1.5' fill='%23E4DDFB'/%3E%3Ccircle cx='44' cy='128' r='1.5' fill='%23E4DDFB'/%3E%3C/g%3E%3C/svg%3E")}
button{font:inherit;color:inherit}
img,svg{display:block;max-width:100%}
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.15;margin:0}
p{margin:0}
a{color:var(--brand)}
[hidden]{display:none!important}
.ic{width:1.25em;height:1.25em;flex:none}
.ic.gold{color:var(--gold)}.ic.fire{color:var(--orange)}.ic.sunny{color:#FFA21F}
.muted{color:var(--mute)}.center{text-align:center}.small{font-size:14px}
.skip{position:absolute;left:12px;top:-60px;z-index:200;background:var(--gold);color:var(--ink);font-weight:800;padding:10px 16px;border-radius:12px;text-decoration:none}
.skip:focus{top:12px}
:focus-visible{outline:3px solid var(--brand);outline-offset:3px}
.link{background:none;border:0;padding:0;color:var(--brand);font-weight:800;cursor:pointer;text-decoration:underline;text-underline-offset:3px}

/* ---------- buttons ---------- */
.btn{--b:var(--brand);--s:var(--brand-d);display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:0 26px;border:0;border-radius:16px;background:var(--b);color:#fff;
  font:600 18px/1 var(--display);letter-spacing:.02em;white-space:nowrap;cursor:pointer;box-shadow:0 5px 0 var(--s);transition:transform .08s,box-shadow .08s,filter .2s;text-decoration:none;touch-action:manipulation;user-select:none;-webkit-user-select:none}
.btn:hover{filter:brightness(1.06)}
.btn:active{transform:translateY(4px);box-shadow:0 1px 0 var(--s)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn small{font-family:var(--body);font-weight:800;font-size:13px;opacity:.85}
.btn.green{--b:var(--green);--s:var(--green-d)}
.btn.red{--b:var(--red);--s:var(--red-d)}
.btn.white{--b:#fff;--s:rgba(20,10,60,.2);color:var(--uc,var(--brand))}
.btn.ghost{--b:#fff;--s:var(--line2);color:var(--ink);box-shadow:0 4px 0 var(--s),inset 0 0 0 2px var(--line)}
.btn.ghost:active{box-shadow:0 1px 0 var(--s),inset 0 0 0 2px var(--line)}
.btn.small{min-height:42px;padding:0 16px;font-size:15px;border-radius:13px;box-shadow:0 4px 0 var(--s)}
.btn.ghost.small{box-shadow:0 4px 0 var(--s),inset 0 0 0 2px var(--line)}
.icon-btn{width:44px;height:44px;border:0;border-radius:12px;background:transparent;color:var(--mute);display:grid;place-items:center;cursor:pointer}
.icon-btn:hover{background:#F1EEFC;color:var(--ink)}
.icon-btn .ic{width:26px;height:26px}
.card{background:var(--card);border:2px solid var(--line);border-radius:var(--r);padding:18px}
.h2{font-size:22px;margin:26px 4px 12px;display:flex;align-items:center;gap:8px}
.h2>.ic{width:26px;height:26px;color:#C77B12}
.h2 small{font:800 14px var(--body);color:var(--mute)}

/* ---------- splash ---------- */
#splash{position:fixed;inset:0;z-index:300;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;text-align:center;
  background:radial-gradient(circle at 50% 35%,#8D72FF 0%,#6C4CF5 45%,#4B2CC9 100%);transition:opacity .5s,visibility .5s}
#splash.hide{opacity:0;visibility:hidden}
.sp-inner{display:flex;flex-direction:column;align-items:center;padding:0 24px}
.sp-logo{width:128px;height:128px;border-radius:32px;box-shadow:0 14px 40px rgba(20,8,80,.4);animation:bob 2.2s ease-in-out infinite}
.sp-title{font:700 clamp(40px,10vw,64px)/1.1 var(--display);margin-top:20px;letter-spacing:.01em;text-shadow:0 4px 0 rgba(30,10,110,.35)}
.sp-sub{font-weight:800;opacity:.9;margin-top:4px}
.sp-bar{width:min(260px,70vw);height:12px;border-radius:99px;background:rgba(255,255,255,.25);margin:26px 0 10px;overflow:hidden}
.sp-fill{width:0;height:100%;border-radius:99px;background:linear-gradient(90deg,#FFE27A,#FFB020);transition:width .4s}
.sp-msg{font-weight:800;font-size:15px}
.sp-tip{font-weight:700;font-size:14px;opacity:.85;margin-top:8px;max-width:340px}
.sp-copy{position:absolute;bottom:max(16px,env(safe-area-inset-bottom));font-size:12px;font-weight:700;opacity:.8}

/* ---------- app layout ---------- */
.app{min-height:100vh}
.sidebar,.rail{display:none}
.col{min-width:0}
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:6px;padding:10px max(12px,env(safe-area-inset-left)) 10px max(12px,env(safe-area-inset-right));
  background:rgba(245,242,255,.9);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:2px solid var(--line)}
main{outline:none;padding-bottom:calc(var(--tab-h) + env(safe-area-inset-bottom) + 34px)}
.view{max-width:640px;margin:0 auto;padding:18px 16px}
.chip{display:inline-flex;align-items:center;gap:6px;min-height:42px;padding:4px 10px;border:0;border-radius:14px;background:transparent;cursor:pointer;font:600 17px var(--display);color:var(--ink)}
.chip:hover{background:#fff}
.chip b{font-weight:600}
.chip small{font-size:12px;color:var(--mute);font-family:var(--body);font-weight:800}
.chip .league-badge{width:28px;height:30px}
.chip-league span{font-size:15px}
.chip-streak .ic{width:26px;height:26px;color:#C9C3E3}
.chip-streak.on .ic{color:#FFA21F}
.chip-coins .ic{width:24px;height:24px;color:var(--gold)}
.chip-goal .ring{width:30px;height:30px}
.tabbar{position:fixed;left:10px;right:10px;bottom:calc(10px + env(safe-area-inset-bottom));z-index:40;display:flex;justify-content:space-around;height:var(--tab-h);padding:6px;
  border-radius:26px;background:rgba(255,255,255,.96);box-shadow:0 10px 30px rgba(20,10,60,.2),0 0 0 2px rgba(108,76,245,.08)}
.tabbar button{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border:0;background:transparent;border-radius:14px;color:var(--mute);font:800 12px var(--body);cursor:pointer;max-width:110px}
.tabbar button .ic{width:28px;height:28px}
.tabbar button.on{color:#fff;background:linear-gradient(180deg,#8B6CFF,#6C4CF5);box-shadow:0 4px 0 #4E30D2}
body.in-lesson .tabbar,body.in-result .tabbar{display:none}

@media (min-width:760px){
  .app{display:grid;grid-template-columns:230px minmax(0,1fr)}
  .tabbar{display:none}
  main{padding-bottom:40px}
  .sidebar{display:flex;flex-direction:column;gap:6px;position:sticky;top:0;height:100vh;padding:18px 14px;border-right:2px solid var(--line);background:rgba(255,255,255,.65)}
  .sidebar .logo{display:flex;align-items:center;gap:10px;padding:4px 10px 18px;font:700 24px var(--display);color:var(--brand)}
  .sidebar .logo img{border-radius:12px}
  .sidebar button{display:flex;align-items:center;gap:14px;min-height:52px;padding:0 14px;border:2px solid transparent;border-radius:14px;background:transparent;color:var(--ink2);font:600 17px var(--display);letter-spacing:.03em;text-transform:uppercase;cursor:pointer}
  .sidebar button .ic{width:30px;height:30px}
  .sidebar button:hover{background:#F1EEFC}
  .sidebar button.on{color:var(--brand);background:var(--brand-l);border-color:#D8CEFF}
  .topbar{justify-content:flex-end;gap:10px;padding:12px 22px}
}
@media (min-width:1180px){
  .app{grid-template-columns:240px minmax(0,1fr) 330px}
  .rail{display:flex;flex-direction:column;gap:14px;position:sticky;top:0;height:100vh;overflow:auto;padding:76px 20px 20px 4px}
  .topbar{justify-content:flex-end}
}
.rail-card h3{display:flex;align-items:center;gap:8px;font-size:18px;margin-bottom:10px}
.rail-card h3 .league-badge{width:30px;height:32px}
.rail-card h3 .ic{width:24px;height:24px;color:var(--brand)}
.rail-card p{color:var(--ink2);margin-bottom:12px}
.rq{margin-bottom:12px}
.rq span{font-weight:800;font-size:14px}
.rq.done span{color:var(--green-d)}

/* ---------- the adventure map ---------- */
#view-learn{max-width:600px;padding:0 0 30px}
.map{position:relative}
.wbanner{position:relative;overflow:hidden;aspect-ratio:400/230;background:var(--g1,#BFE6FF)}
.wb-art,.wb-art svg{position:absolute;inset:0;width:100%;height:100%}
.wb-title{position:absolute;left:12px;right:12px;bottom:12px;display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:18px;background:rgba(255,255,255,.9);box-shadow:0 6px 18px rgba(20,10,60,.18);max-width:340px}
.wb-title .league-badge{width:46px;height:50px;flex:none}
.wb-title small{display:block;font:800 11px var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--mute)}
.wb-title h2{font-size:23px;color:var(--ink)}
.wb-title span{font-weight:800;font-size:13px;color:var(--ink2)}
.wbanner.locked .wb-art{filter:grayscale(.55) brightness(1.06)}
.unit{position:relative;overflow:hidden;aspect-ratio:400/680;background:linear-gradient(var(--g1,#CDEFC4),var(--g2,#B6E3A9))}
.unit .scene{position:absolute;inset:0;width:100%;height:100%}
.unit.locked .scene{opacity:.8}
.sign{position:absolute;top:1.4%;left:50%;z-index:2;transform:translateX(-50%);width:min(80%,340px);padding:9px 14px 11px;border:2px solid #E8B47A;border-radius:14px;text-align:center;color:#fff;
  background:repeating-linear-gradient(0deg,rgba(255,255,255,.06) 0 3px,transparent 3px 9px),linear-gradient(#CF915A,#A86A35);box-shadow:0 5px 0 #7A4A22,0 12px 20px rgba(20,10,0,.2)}
.sign::before,.sign::after{content:"";position:absolute;bottom:-17px;width:9px;height:16px;border-radius:0 0 3px 3px;background:#7A4A22}
.sign::before{left:20%}.sign::after{right:20%}
.sign small{display:block;font:800 11px var(--body);letter-spacing:.14em;text-transform:uppercase;opacity:.9}
.sign h2{font-size:21px;text-shadow:0 2px 0 rgba(90,45,10,.35)}
.sign p{font-weight:700;font-size:13px;opacity:.95}
.unit.locked .sign{border-color:#C9BBAE;background:repeating-linear-gradient(0deg,rgba(255,255,255,.06) 0 3px,transparent 3px 9px),linear-gradient(#AE9E90,#8A796B);box-shadow:0 5px 0 #62554A,0 12px 20px rgba(20,10,0,.2)}
.unit.locked .sign::before,.unit.locked .sign::after{background:#62554A}
.sign .jump{position:absolute;left:50%;top:calc(100% + 6px);translate:-50% 0;gap:6px;white-space:nowrap;text-shadow:none}
.sign .jump .ic{width:18px;height:18px}
.stop-wrap{position:absolute;z-index:3;width:21%;transform:translate(-50%,-50%)}
.stop-wrap.boss{width:29%}
.stop-wrap.popped{z-index:30}
.stop-btn{position:relative;display:block;width:100%;padding:0;border:0;background:none;cursor:pointer;transition:transform .12s;-webkit-tap-highlight-color:transparent}
.stop-btn .stop{display:block;width:100%;height:auto}
.stop-btn:hover{transform:translateY(-2px)}
.stop-btn:active{transform:scale(.93)}
.stop-ic{position:absolute;left:50%;top:42%;display:grid;place-items:center;width:42%;aspect-ratio:1;border-radius:50%;transform:translate(-50%,-50%);
  background:rgba(255,255,255,.94);color:var(--wa,var(--brand));font:700 clamp(15px,4.4vw,22px) var(--display);box-shadow:0 3px 0 rgba(0,0,0,.16)}
.stop-ic .ic{width:58%;height:58%}
.stop-btn.locked .stop-ic{color:#A9A3C9;background:rgba(255,255,255,.8)}
.stop-btn.done .stop-ic{background:#FFD45A;color:#8A5A00}
.stop-btn.current .stop-ic{background:var(--wa,var(--brand));color:#fff;animation:ring 1.8s ease-out infinite}
.boss .stop-ic{width:25%;top:65%}
.stop-stars{position:absolute;left:50%;top:84%;display:flex;gap:1px;padding:2px 7px;border-radius:99px;transform:translateX(-50%);background:#fff;box-shadow:0 2px 0 rgba(0,0,0,.12);pointer-events:none}
.stop-stars i{color:#DCD6F0}.stop-stars i.on{color:#FFB020}
.stop-stars .ic{width:14px;height:14px}
.stop-buddy{position:absolute;bottom:58%;left:70%;width:80%;pointer-events:none;animation:bob 2.4s ease-in-out infinite}
.stop-buddy.left{left:auto;right:70%}
.boss .stop-buddy{width:58%;bottom:70%}
.go-bubble{position:absolute;bottom:96%;left:50%;padding:6px 12px;border-radius:12px;transform:translateX(-50%);background:#fff;color:var(--wa,var(--brand));font:700 14px var(--display);white-space:nowrap;box-shadow:0 4px 12px rgba(20,10,60,.18)}
.go-bubble::after{content:"";position:absolute;left:50%;top:100%;border:7px solid transparent;border-top-color:#fff;transform:translateX(-50%)}
.pop{--dx:0px;position:absolute;top:calc(100% + 16px);left:50%;z-index:40;width:min(290px,86vw);padding:16px;border-radius:20px;background:var(--wa,var(--brand));color:#fff;text-align:left;
  transform:translateX(calc(-50% + var(--dx)));box-shadow:0 16px 34px rgba(20,10,60,.32);animation:popIn .2s ease-out}
.pop::before{content:"";position:absolute;bottom:100%;left:calc(50% - var(--dx));border:11px solid transparent;border-bottom-color:var(--wa,var(--brand));transform:translateX(-50%)}
.pop b{display:block;font:600 21px var(--display)}
.pop span{display:block;margin-bottom:12px;font-weight:700;opacity:.95}
.pop .btn{width:100%}
.pop em{display:block;font-style:normal;font-weight:700;opacity:.95}
.pop.locked{background:#fff;color:var(--ink);border:2px solid var(--line)}
.pop.locked::before{border-bottom-color:#fff}
.pop{scroll-margin:80px 0 calc(var(--tab-h) + 40px)}
.pop.up{top:auto;bottom:calc(100% + 16px)}
.pop.up::before{bottom:auto;top:100%;border-bottom-color:transparent;border-top-color:var(--wa,var(--brand))}
.pop.locked.up::before{border-bottom-color:transparent;border-top-color:#fff}
.pop-foe{float:right;width:74px;margin:-34px -6px 0 6px}
.map-end{display:flex;flex-direction:column;align-items:center;gap:8px;padding:30px 20px;color:var(--mute);font-weight:800;text-align:center}
.map-end .buddy{width:120px}
@media (min-width:760px){
  #view-learn{padding-top:18px}
  .wbanner{border-radius:26px 26px 0 0;margin-top:24px}
  .wbanner:first-child{margin-top:0}
  .unit:last-of-type{border-radius:0 0 26px 26px}
}

/* ---------- lessons and boss battles ---------- */
.lesson{position:fixed;inset:0;z-index:60;display:flex;flex-direction:column;overflow:auto;background:linear-gradient(var(--s1,#BFE6FF),var(--s2,#F5F2FF))}
.ls-bg{position:fixed;inset:0;z-index:0;pointer-events:none}
.ls-bg svg{width:100%;height:100%}
.ls-top,.ls-stage,.ls-answer{position:relative;z-index:1}
.ls-top{display:flex;align-items:center;gap:12px;width:100%;max-width:820px;margin:0 auto;padding:max(12px,env(safe-area-inset-top)) 16px 4px}
.ls-top .icon-btn{background:rgba(255,255,255,.85);color:var(--ink2)}
.lesson.dark .ls-top .icon-btn{background:rgba(255,255,255,.2);color:#fff}
.ls-track{position:relative;flex:1;height:40px}
.trk-line{position:absolute;left:4px;right:30px;top:50%;height:14px;margin-top:-7px;border-radius:99px;background:rgba(255,255,255,.8);box-shadow:inset 0 2px 0 rgba(20,10,60,.1)}
.trk-line i{display:block;width:0;height:100%;border-radius:99px;background:linear-gradient(90deg,#FFD43B,#FF9F1C);transition:width .45s cubic-bezier(.2,.8,.2,1)}
.trk-runner{position:absolute;top:50%;left:0;width:40px;margin-left:4px;transform:translate(-50%,-64%);transition:left .45s cubic-bezier(.2,.8,.2,1)}
.trk-goal{position:absolute;right:0;top:50%;display:grid;place-items:center;width:34px;height:34px;border-radius:12px;transform:translateY(-50%);background:#fff;color:#C77B12;box-shadow:0 3px 0 rgba(0,0,0,.12)}
.trk-goal .ic{width:22px;height:22px}
.ls-meta{display:flex;align-items:center;gap:2px;min-width:44px;justify-content:flex-end;font:700 20px var(--display);color:#FF7A2F}
.ls-meta .heart{color:var(--red);transition:transform .3s,color .3s;filter:drop-shadow(0 2px 0 rgba(0,0,0,.15))}
.ls-meta .heart .ic{width:30px;height:30px}
.ls-meta .heart.lost{color:rgba(255,255,255,.65);transform:scale(.78)}
.ls-meta .combo{display:flex;align-items:center;gap:2px;padding:3px 10px;border-radius:99px;background:#fff;color:#FF7A2F;animation:popIn .3s}
.ls-meta .combo .ic{width:20px;height:20px}
.lesson.boss .ls-top{justify-content:space-between}
.ls-stage{flex:1;display:grid;grid-template-columns:160px minmax(0,1fr) 160px;grid-template-areas:"hero board foe";align-items:center;gap:14px;width:100%;max-width:1000px;margin:0 auto;padding:8px 16px}
.lesson:not(.boss) .ls-stage{grid-template-columns:160px minmax(0,1fr) 60px}
.ls-hero{position:relative;grid-area:hero;align-self:end}
.hero-art{animation:bob 2.6s ease-in-out infinite}
.bubble{position:absolute;bottom:calc(100% + 12px);left:-14px;z-index:3;width:max-content;max-width:180px;margin:0;padding:10px 14px;border-radius:16px;background:#fff;color:var(--ink);
  font:600 17px/1.25 var(--display);text-align:left;box-shadow:0 6px 16px rgba(20,10,60,.18);transform-origin:30px 100%}
.bubble::after{content:"";position:absolute;top:100%;left:40px;border:9px solid transparent;border-top-color:#fff;margin-top:-1px}
.bubble.in{animation:popIn .28s cubic-bezier(.2,1.4,.4,1)}
.ls-foe .bubble{left:auto;right:-14px;background:#2B2350;color:#FFE27A;transform-origin:calc(100% - 30px) 100%}
.ls-foe .bubble::after{left:auto;right:40px;border-top-color:#2B2350}
.ls-board{grid-area:board;position:relative;padding:16px 16px 14px;border:3px solid #fff;border-radius:28px;background:rgba(255,255,255,.95);text-align:center;
  box-shadow:0 10px 0 rgba(20,10,60,.08),0 20px 44px rgba(20,10,60,.16);transition:box-shadow .2s}
.ls-board.good{box-shadow:0 0 0 5px var(--green),0 20px 44px rgba(20,10,60,.16)}
.ls-board.bad{box-shadow:0 0 0 5px var(--red),0 20px 44px rgba(20,10,60,.16);animation:shake .45s}
.ls-say{margin-bottom:4px;font:600 18px var(--display);color:var(--wa,var(--brand))}
.ls-eq{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:.18em;min-height:1.4em;font:600 clamp(36px,9.5vw,68px)/1.2 var(--display);color:var(--ink);transition:opacity .25s,transform .25s}
.ls-eq.in{opacity:0;transform:translateY(14px) scale(.96)}
.tk.op,.tk.par{color:var(--wa,var(--brand))}
.tk.word{font-size:.62em;font-weight:600}
.tk.sep{margin-left:-.12em;color:var(--mute)}
.tk sup{font-size:.55em;vertical-align:.8em;margin-left:.02em}
.tk.frac{display:inline-flex;flex-direction:column;align-items:center;font-size:.58em;line-height:1.05;color:var(--wa,var(--brand))}
.tk.frac i{font-style:normal}
.tk.frac i:first-child{padding:0 .15em;border-bottom:.09em solid currentColor}
.tk.box{display:inline-flex;align-items:center;justify-content:center;min-width:1.7em;height:1.3em;padding:0 .18em;border:4px dashed #CFC6EE;border-radius:18px;color:var(--brand);background:#FBFAFF}
.tk.box.typing{border-style:solid;border-color:var(--wa,var(--brand));color:var(--ink);background:#fff}
.ls-board.good .tk.box{border:4px solid var(--green);background:var(--green-l);color:var(--green-d);animation:popIn .3s}
.ls-dots{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;margin:4px 0 6px}
.dots{display:grid;grid-template-columns:repeat(var(--cols,5),20px);gap:5px;padding:8px;border-radius:14px;background:#FFF1EA}
.dots i{width:20px;height:20px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#FFB4A8,#FF6B57);animation:popIn .3s backwards}
.dots.b{background:#EAF2FF}
.dots.b i{background:radial-gradient(circle at 35% 30%,#A9CCFF,#2F8CFF)}
.dots-op{font:700 30px var(--display);color:var(--wa,var(--brand))}
.ls-fb{display:none}
.ls-fb.good,.ls-fb.bad{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:10px}
.ls-fb.good{justify-content:flex-end}
.fb-msg{display:flex;flex-direction:column;align-items:flex-start;text-align:left}
.fb-msg b{font:600 22px var(--display);color:var(--red-d)}
.fb-msg span{font-weight:700;color:var(--ink2)}
.ls-fb .btn .ic{width:16px;height:16px}
.ls-foe{position:relative;grid-area:foe;display:flex;flex-direction:column;align-items:center;gap:6px;align-self:end}
.foe-art{width:100%;animation:bob 2s ease-in-out infinite reverse}
.foe-art svg{display:block;width:100%;height:auto}
.ls-foe.hit .foe-art{animation:foeHit .5s ease-out}
.foe-hp{position:relative;width:100%;max-width:130px;height:18px;overflow:hidden;border:2px solid #fff;border-radius:99px;background:rgba(20,10,60,.25)}
.foe-hp i{display:block;width:100%;height:100%;background:linear-gradient(90deg,#FF5A5F,#FF9F1C);transition:width .4s}
.foe-hp b{position:absolute;inset:0;display:grid;place-items:center;font:700 12px var(--display);color:#fff;text-shadow:0 1px 0 rgba(0,0,0,.4)}
.ls-answer{width:100%;max-width:440px;margin:0 auto;padding:10px 16px calc(18px + env(safe-area-inset-bottom))}
.ls-answer.pad{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:400px}
.key{height:60px;border:0;border-radius:18px;background:#fff;box-shadow:0 5px 0 #D9D2F2,0 8px 16px rgba(20,10,60,.08);font:600 30px var(--display);color:var(--ink);cursor:pointer;touch-action:manipulation;user-select:none;-webkit-user-select:none;transition:transform .06s,box-shadow .06s}
.key:active{transform:translateY(4px);box-shadow:0 1px 0 #D9D2F2}
.key.del{font-size:24px;color:var(--mute)}
.key.go{display:grid;place-items:center;background:var(--green);box-shadow:0 5px 0 var(--green-d);color:#fff}
.key.go .ic{width:32px;height:32px}
.key.go:disabled{background:#E3DEF5;box-shadow:0 5px 0 #CFC6EE;cursor:default}
.ls-answer.choices,.ls-answer.tf{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.choice{position:relative;display:flex;align-items:center;justify-content:center;gap:10px;min-height:78px;border:0;border-radius:22px;background:#fff;color:var(--ink);font:600 34px var(--display);cursor:pointer;touch-action:manipulation;
  box-shadow:0 6px 0 var(--cs,#D9D2F2),0 10px 20px rgba(20,10,60,.1);transition:transform .06s,box-shadow .06s}
.choice::after{content:"";position:absolute;left:14px;right:14px;top:8px;height:10px;border-radius:9px;background:rgba(255,255,255,.55)}
.choice.c0{--cs:#7CC4FF;background:#E9F5FF}.choice.c1{--cs:#FFB37C;background:#FFF1E6}.choice.c2{--cs:#9BE3B6;background:#EBFAF0}.choice.c3{--cs:#D3B5FF;background:#F5EEFF}
.choice small{position:absolute;left:12px;bottom:8px;font:800 12px var(--body);color:rgba(43,35,80,.35)}
.choice:active{transform:translateY(5px);box-shadow:0 1px 0 var(--cs,#D9D2F2)}
.tf .choice{font-size:26px}
.tf .choice .ic{width:30px;height:30px}
.tf .yes{--cs:#8EDDAE;background:#ECFAF2;color:var(--green-d)}.tf .no{--cs:#FFAEB1;background:#FFF0F0;color:var(--red-d)}
.choice.right{background:var(--green);color:#fff;--cs:var(--green-d)}
.choice.wrong{background:var(--red);color:#fff;--cs:var(--red-d);animation:shake .4s}
.choice:disabled{cursor:default}
.ls-pop{position:fixed;left:50%;top:34%;z-index:8;padding:16px 26px;opacity:0;pointer-events:none;transform:translate(-50%,-50%) scale(0);
  font:700 clamp(30px,8vw,54px)/1 var(--display);color:#fff;white-space:nowrap;text-shadow:0 3px 0 rgba(120,50,0,.45),0 0 2px rgba(120,50,0,.6)}
.ls-pop::before{content:"";position:absolute;inset:-46% -18%;z-index:-1;background:radial-gradient(circle,#FFE066 0%,#FFB020 60%,#FF8A1F 100%);
  clip-path:polygon(50% 0%,59% 22%,79% 7%,76% 31%,100% 30%,83% 49%,99% 68%,75% 69%,79% 93%,58% 79%,47% 100%,39% 77%,15% 90%,21% 66%,0% 58%,19% 43%,4% 22%,28% 25%)}
.ls-pop:not(.good)::before{background:radial-gradient(circle,#FF8E8E 0%,#FF4D5E 60%,#D92D40 100%)}
.ls-pop.show{animation:popWord .95s cubic-bezier(.2,1.3,.4,1) forwards}
.shot{position:fixed;z-index:7;width:46px;height:46px;color:#FFD43B;pointer-events:none;transform:translate(-50%,-50%);filter:drop-shadow(0 0 8px rgba(255,200,40,.9))}
.shot .ic{width:100%;height:100%}
@media (max-width:700px){
  .ls-stage{grid-template-columns:1fr 1fr;grid-template-rows:minmax(0,1fr) auto;grid-template-areas:"hero foe" "board board";gap:8px;padding:4px 14px}
  .lesson:not(.boss) .ls-stage{grid-template-columns:1fr 1fr;grid-template-areas:"hero ." "board board"}
  .ls-hero{width:clamp(86px,15vh,136px);justify-self:start;margin-bottom:-14px;z-index:2}
  .bubble{left:8px;max-width:min(220px,56vw);font-size:16px}
  .ls-foe .bubble{left:auto;right:8px}
  .ls-foe{flex-direction:column-reverse;justify-self:end;width:auto;margin-bottom:-12px;z-index:2}
  .foe-art{width:clamp(96px,16vh,146px);flex:none}
  .foe-hp{width:100%;max-width:120px}
  .ls-board{padding:16px 12px 12px}
  .ls-say{font-size:16px}
}
@media (max-height:680px){.key{height:52px}.choice{min-height:64px}.ls-hero{width:70px}.foe-art{width:80px}.ls-answer{padding-bottom:12px}}

/* ---------- result: treasure + tamed monster ---------- */
.result{position:fixed;inset:0;z-index:70;overflow:auto;display:flex;justify-content:center;background:linear-gradient(var(--s1,#FFF6D8),var(--s2,#F5F2FF))}
.res-bg{position:fixed;inset:0;pointer-events:none}
.res-bg svg{width:100%;height:100%}
.res-in{position:relative;z-index:1;width:100%;max-width:520px;margin:auto;padding:max(20px,env(safe-area-inset-top)) 16px calc(24px + env(safe-area-inset-bottom));text-align:center}
.res-art{display:flex;justify-content:center;min-height:150px;align-items:flex-end}
.res-chest{width:180px;filter:drop-shadow(0 14px 18px rgba(20,10,60,.25))}
.res-chest svg{display:block;width:100%;height:auto}
.res-chest.open{animation:chestPop .55s cubic-bezier(.2,1.4,.4,1)}
.res-duo{display:flex;align-items:flex-end;justify-content:center;gap:4px}
.rd-hero{width:130px;animation:jump 1s ease-out}
.rd-foe{width:140px;animation:jump 1s .15s ease-out backwards}
.rd-foe svg,.rd-hero svg{display:block;width:100%;height:auto}
.result h1{margin-top:8px;padding:0 6px;font-size:clamp(30px,8vw,42px);color:var(--ink);text-shadow:0 3px 0 rgba(255,255,255,.7)}
.result.dark h1{color:#fff;text-shadow:0 3px 0 rgba(0,0,0,.25)}
.res-sub{margin:6px 0 14px;font-weight:800;color:var(--ink2)}
.result.dark .res-sub{color:rgba(255,255,255,.92)}
.res-stars{display:flex;justify-content:center;gap:8px;margin:4px 0 16px}
.res-stars i{color:rgba(255,255,255,.75)}
.res-stars i .ic{width:56px;height:56px;filter:drop-shadow(0 3px 0 rgba(0,0,0,.12))}
.res-stars i.on{color:#FFB020;animation:starIn .5s cubic-bezier(.3,1.6,.5,1) backwards}
.res-stars i.on:nth-child(2){animation-delay:.25s}.res-stars i.on:nth-child(3){animation-delay:.5s}
.res-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.tile{border:3px solid;border-radius:18px;overflow:hidden;background:#fff}
.tile span{display:block;padding:5px 4px;color:#fff;font:800 12px var(--body);letter-spacing:.08em;text-transform:uppercase}
.tile b{display:block;padding:10px 4px;font:600 24px var(--display)}
.tile.xp{border-color:var(--gold)}.tile.xp span{background:var(--gold)}.tile.xp b{color:var(--gold-d)}
.tile.acc{border-color:var(--green)}.tile.acc span{background:var(--green)}.tile.acc b{color:var(--green-d)}
.tile.time{border-color:var(--blue)}.tile.time span{background:var(--blue)}.tile.time b{color:#1D6FD6}
.res-list{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-direction:column;gap:8px;text-align:left}
.res-list li{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:16px;background:rgba(255,255,255,.95);box-shadow:0 4px 0 rgba(20,10,60,.08);font-weight:800;animation:slideIn .4s backwards}
.res-list li:nth-child(2){animation-delay:.1s}.res-list li:nth-child(3){animation-delay:.2s}.res-list li:nth-child(4){animation-delay:.3s}.res-list li:nth-child(5){animation-delay:.4s}
.res-list li span{flex:1}
.res-list li b{font:600 18px var(--display);color:var(--gold-d)}
.res-list li .ic{width:26px;height:26px;color:var(--brand)}
.res-list li .ic.gold{color:var(--gold)}.res-list li .ic.fire{color:var(--orange)}.res-list li .ic.medal{color:var(--pink)}.res-list li .ic.sunny{color:#FFA21F}
.res-list .streak-li{background:#FFF8E1}
.res-list .streak-li b{color:var(--green)}
.res-tip{display:flex;align-items:center;gap:10px;margin-top:14px;padding:12px 14px;border-radius:16px;background:#fff;font-weight:800;color:var(--brand-d);text-align:left}
.res-tip .ic{width:26px;height:26px}
.res-btns{display:flex;flex-direction:column;gap:12px;margin-top:20px}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;padding:16px;background:rgba(43,35,80,.48);opacity:0;transition:opacity .2s}
.modal.show{opacity:1}
.modal-card{width:100%;max-width:420px;max-height:calc(100vh - 32px);max-height:calc(100dvh - 32px);overflow:auto;padding:26px 22px 22px;border-radius:26px;background:#fff;text-align:center;box-shadow:0 30px 70px rgba(25,15,70,.35);animation:pop .25s ease-out}
.modal-card.wide{max-width:470px}
.modal-card.page{max-width:620px;text-align:left}
.modal-card h2{font-size:26px;margin-bottom:8px}
.modal-card h3{font-size:19px;margin:18px 0 6px}
.modal-card p{color:var(--ink2);font-weight:600}
.modal-card ul,.modal-card ol{padding-left:22px;color:var(--ink2);font-weight:600}
.modal-card li{margin:4px 0}
.modal-card .lead{color:var(--ink)}
.modal-card .credits{font-size:13px;color:var(--mute);margin-top:14px}
.modal-card .links{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.modal-card .links a{padding:6px 14px;border:2px solid var(--line);border-radius:99px;font-weight:800;text-decoration:none}
.m-art{display:flex;justify-content:center;margin-bottom:6px}
.m-art .buddy{width:120px}
.m-art.big .buddy{width:160px}
.m-art.small .buddy{width:84px}
.m-badge{position:relative;display:flex;justify-content:center;margin-bottom:8px}
.m-banner{position:relative;margin:-26px -22px 8px;aspect-ratio:400/190;overflow:hidden;border-radius:26px 26px 0 0}
.m-banner svg{position:absolute;inset:0;width:100%;height:100%}
.m-banner+.m-badge{margin-top:-58px}
.mb-buddy{position:absolute;left:50%;bottom:-4px;width:120px;transform:translateX(-50%)}
.world-up h2,.onboard h2{margin-top:4px}
.m-badge .league-badge{width:110px;height:120px;animation:jump 1s ease-out}
.m-row{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:20px}
.m-row .btn{flex:1 1 140px}
.page .m-row{justify-content:flex-end}
.page .m-row .btn{flex:0 0 auto}
.celebrate{background:radial-gradient(circle at 50% 0%,#FFF3C9,#fff 55%)}
.onboard h2{margin-top:6px}
.swatches{display:flex;justify-content:center;gap:14px;margin:16px 0 8px}
.swatch{width:58px;height:58px;border-radius:50%;border:4px solid #fff;background:var(--sw);box-shadow:0 0 0 3px var(--line);cursor:pointer}
.swatch.on{box-shadow:0 0 0 4px var(--brand)}
.goal-list{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.goal-opt{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border:2px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 4px 0 var(--line);cursor:pointer}
.goal-opt b{font:600 19px var(--display)}
.goal-opt span{color:var(--mute);font-weight:800}
.goal-opt.on{border-color:var(--brand);background:var(--brand-l);box-shadow:0 4px 0 #CDBFFF}
.seg{display:flex;gap:4px;padding:4px;margin:16px 0;border-radius:16px;background:#ECE7FC}
.seg button{flex:1;min-height:42px;border:0;border-radius:12px;background:transparent;color:var(--ink2);font:600 15px var(--display);cursor:pointer;white-space:nowrap}
.seg button.on{background:#fff;color:var(--brand);box-shadow:0 2px 0 var(--line2)}
.seg.wide{overflow-x:auto;scrollbar-width:none}
.seg.wide button{flex:1 0 auto;padding:0 14px}
.form{display:flex;flex-direction:column;gap:12px;text-align:left;margin-top:6px}
.form label{display:flex;flex-direction:column;gap:5px;font-weight:800;font-size:14px;color:var(--ink2)}
.form input{height:50px;padding:0 14px;border:2px solid var(--line);border-radius:14px;background:#FBFAFF;font:700 17px var(--body);color:var(--ink)}
.form input:focus{outline:none;border-color:var(--brand);background:#fff}
.form-err{min-height:1.2em;color:var(--red-d);font-weight:800;font-size:14px}
.form .btn{margin-top:4px}
.kid-note{display:flex;gap:10px;margin-top:16px;padding:12px;border-radius:14px;background:var(--gold-l);font-size:14px;text-align:left;color:var(--ink)!important}
.kid-note .ic{width:22px;height:22px;color:var(--gold-d);margin-top:2px}
details.danger{margin-top:14px;text-align:left;border:2px solid var(--line);border-radius:14px;padding:10px 14px}
details.danger summary{cursor:pointer;font:600 17px var(--display)}
.m-medal{display:flex;justify-content:center;margin-bottom:10px}
.m-medal .b-medal{width:96px;height:96px}
.m-medal .b-medal .ic{width:48px;height:48px}

/* ---------- league ---------- */
.league-hero{padding:0;overflow:hidden}
.lh-art{position:relative;aspect-ratio:400/150;overflow:hidden}
.lh-art svg{position:absolute;inset:0;width:100%;height:100%}
.lh-in{display:flex;align-items:center;gap:16px;padding:0 18px 16px}
.league-hero .league-badge{width:88px;height:96px;flex:none;margin-top:-40px;filter:drop-shadow(0 6px 8px rgba(20,10,60,.25))}
.league-hero small,.goal-card small,.streak-card small,.shop-top small{font:800 13px var(--body);letter-spacing:.1em;text-transform:uppercase;color:var(--mute)}
.league-hero h1{font-size:30px}
.league-hero p{color:var(--ink2);font-weight:700;margin-top:4px}
.ladder{display:flex;gap:6px;overflow-x:auto;padding:14px 2px 6px;scrollbar-width:thin}
.rung{display:flex;flex-direction:column;align-items:center;gap:2px;min-width:62px;font:800 11px var(--body);color:var(--mute)}
.rung .league-badge{width:44px;height:48px}
.rung.on{color:var(--brand)}
.rung.on .league-badge{transform:scale(1.15)}
.lb{display:flex;flex-direction:column;gap:8px}
.lb-row{display:flex;align-items:center;gap:12px;padding:8px 14px;border:2px solid var(--line);border-radius:16px;background:#fff}
.lb-row .rk{display:flex;align-items:center;gap:2px;min-width:44px;font:600 18px var(--display);color:var(--mute)}
.lb-row .rk .ic{width:20px;height:20px}
.lb-row .av{width:44px;flex:none}
.lb-row .nm{flex:1;min-width:0;font-weight:800;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lb-row .nm small{color:var(--mute);font-weight:800;margin-left:4px}
.lb-row .xp{font:600 17px var(--display);color:var(--ink2);white-space:nowrap}
.lb-row.top1{background:#FFF7DB;border-color:#FFE08A}.lb-row.top1 .rk{color:#C98A00}
.lb-row.top2{background:#F4F6FA;border-color:#DCE1EA}.lb-row.top2 .rk{color:#7C8597}
.lb-row.top3{background:#FFF1E8;border-color:#FFD2B5}.lb-row.top3 .rk{color:#B86A33}
.lb-row.me{border-color:var(--brand);background:var(--brand-l)}
.lb-row.sep{margin-top:10px}
.lb .empty{padding:26px 12px;text-align:center;color:var(--mute);font-weight:800;border:2px dashed var(--line2);border-radius:16px}
.cta-card{display:flex;align-items:center;gap:14px;margin-bottom:14px;background:var(--gold-l);border-color:#FFE3A0}
.cta-card .buddy{width:84px;flex:none}
.cta-card b{font:600 19px var(--display)}
.cta-card p{color:var(--ink2);font-weight:700;margin:2px 0 10px}
.how{margin-top:16px}
.how summary{cursor:pointer;font:600 17px var(--display)}
.how ul{margin:10px 0 0;padding-left:20px;color:var(--ink2);font-weight:700}
.how li{margin:5px 0}
.muted.center .ic{display:inline-block;vertical-align:-4px;color:var(--gold)}

/* ---------- quests ---------- */
.goal-card,.streak-card{display:flex;align-items:center;gap:18px;margin-bottom:14px}
.goal-card h2,.streak-card h2{font-size:22px;margin:2px 0 4px}
.goal-card p,.streak-card p{color:var(--ink2);font-weight:700;margin-bottom:10px}
.big-ring{position:relative;width:120px;height:120px;flex:none}
.big-ring .ring{width:120px;height:120px}
.big-ring b{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;font:600 30px/1 var(--display)}
.big-ring small{font:800 12px var(--body);color:var(--mute);margin-top:4px}
.streak-card{align-items:flex-start;background:linear-gradient(135deg,#fff 40%,#FFF6D6)}
.sun-big{position:relative;width:104px;flex:none;color:#D8D2EE;text-align:center}
.streak-card.on .sun-big{color:#FFB020;animation:spin 18s linear infinite}
.sun-big .ic{width:104px;height:104px}
.sun-big b{position:absolute;left:0;right:0;top:36px;color:#fff;font:700 28px var(--display);text-shadow:0 2px 0 rgba(150,80,0,.35)}
.streak-card.on .sun-big b{animation:spin 18s linear infinite reverse}
.week{display:flex;gap:6px;flex-wrap:wrap}
.week span{display:flex;flex-direction:column;align-items:center;gap:2px;width:34px;font:800 12px var(--body);color:var(--mute)}
.week i{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#EEEAFB}
.week .done i{background:#FFF0C2;color:#FFA21F}
.week .today i{box-shadow:0 0 0 2px #FFA21F}
.week .ic{width:18px;height:18px}
.umb{display:flex;align-items:center;gap:6px;margin-top:10px!important;font-size:14px;color:#2B8FCF!important}
.umb .ic{color:#55B6F0}
.quests{display:flex;flex-direction:column;gap:10px}
.quest{display:flex;align-items:center;gap:14px;padding:14px 16px}
.quest>div{flex:1;min-width:0}
.quest b{display:block;font-weight:800;margin-bottom:6px}
.q-ic{display:grid;place-items:center;width:46px;height:46px;flex:none;border-radius:14px;background:var(--brand-l);color:var(--brand)}
.q-ic .ic{width:26px;height:26px}
.q-rew{display:flex;align-items:center;gap:3px;font:600 17px var(--display);color:var(--gold-d)}
.q-rew .ic{width:22px;height:22px}
.quest.done{background:var(--green-l);border-color:#BDEDD0}
.quest.done .q-ic{background:#fff;color:var(--green)}
.quest.done .q-rew{color:var(--green)}
.qbar{position:relative;height:18px;border-radius:99px;background:#EEEAFB;overflow:hidden}
.qbar i{position:absolute;left:0;top:0;bottom:0;width:0;border-radius:99px;background:linear-gradient(180deg,#FFD36B,var(--gold));transition:width .6s}
.qbar span{position:relative;display:block;text-align:center;font:800 12px/18px var(--body);color:var(--ink)}
.qbar.big{height:24px}.qbar.big span{line-height:24px;font-size:13px}
.quest.done .qbar i{background:linear-gradient(180deg,#63E395,var(--green))}

/* ---------- shop ---------- */
.shop-top{display:flex;align-items:center;gap:16px;background:linear-gradient(135deg,#fff 30%,var(--gold-l))}
.shop-buddy{width:130px;flex:none}
.shop-top h1{display:flex;align-items:center;gap:6px;font-size:32px}
.shop-top h1 .ic{width:32px;height:32px}
.shop-top p{color:var(--ink2);font-weight:700;margin:4px 0 8px}
.items{display:grid;grid-template-columns:repeat(auto-fill,minmax(128px,1fr));gap:12px}
.item{display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 8px 10px;border:2px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 4px 0 var(--line);cursor:pointer;text-align:center}
.item:active{transform:translateY(3px);box-shadow:0 1px 0 var(--line)}
.item .buddy{width:86px}
.item b{font:600 15px var(--display);line-height:1.15}
.item.on{border-color:var(--brand);background:var(--brand-l);box-shadow:0 4px 0 #CDBFFF}
.item.locked .buddy{filter:grayscale(1);opacity:.6}
.state{display:inline-flex;align-items:center;gap:3px;padding:2px 10px;border-radius:99px;background:#F1EEFC;font:800 12px var(--body);color:var(--ink2)}
.state .ic{width:15px;height:15px}
.state.on{background:var(--brand);color:#fff}
.state.price{background:var(--gold-l);color:var(--gold-d)}
.state.lock{background:#EEE;color:#888}
.item.power{display:flex;flex-direction:row;align-items:center;gap:14px;text-align:left;cursor:default}
.item.power>div{flex:1}
.item.power b{font-size:18px}
.item.power p{color:var(--ink2);font-weight:700}
.p-ic{display:grid;place-items:center;width:56px;height:56px;border-radius:16px;background:#E6F5FF;color:#2B9BE3}
.p-ic .ic{width:32px;height:32px}

/* ---------- profile ---------- */
.profile-hero{display:flex;align-items:center;gap:16px;background:linear-gradient(135deg,#fff 35%,var(--brand-l))}
.p-buddy{width:130px;flex:none}
.profile-hero h1{font-size:30px;word-break:break-word}
.p-league{display:flex;align-items:center;gap:6px;margin:4px 0 12px;font-weight:800;color:var(--ink2)}
.p-league .league-badge{width:26px;height:28px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.stat{display:flex;flex-direction:column;align-items:center;gap:2px;padding:14px 6px;border:2px solid var(--line);border-radius:16px;background:#fff;text-align:center}
.stat .ic{width:28px;height:28px;color:var(--brand)}
.stat b{font:600 22px var(--display)}
.stat span{font-size:13px;font-weight:800;color:var(--mute)}
.stat.xp .ic{color:var(--gold)}.stat.sunny .ic{color:#FFA21F}.stat.ok .ic{color:var(--green)}.stat.gold .ic{color:var(--gold)}.stat.acc .ic{color:var(--blue)}
.badges{display:grid;grid-template-columns:repeat(auto-fill,minmax(98px,1fr));gap:10px}
.badge{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 6px;border:2px solid var(--line);border-radius:16px;background:#fff;cursor:pointer}
.badge b{font:600 13px/1.15 var(--display);color:var(--ink2)}
.b-medal{display:grid;place-items:center;width:56px;height:56px;border-radius:50%;background:#E7E3F6;color:#fff;box-shadow:inset 0 -4px 0 rgba(0,0,0,.12),0 0 0 4px #F3F0FC}
.b-medal .ic{width:28px;height:28px}
.badge.got .b-medal,.m-medal.got .b-medal{background:var(--bc);box-shadow:inset 0 -4px 0 rgba(0,0,0,.15),0 0 0 4px #FFE9A8}
.badge:not(.got) .b-medal .ic{color:#CBC4E6}
.account-card,.settings{margin-top:16px}
.acc-row{display:flex;align-items:center;gap:12px}
.acc-row>.ic{width:36px;height:36px;color:var(--brand);flex:none}
.acc-row b{font:600 18px var(--display)}
.acc-row p{color:var(--ink2);font-weight:700}
.account-card .m-row{justify-content:flex-start;margin-top:14px}
.account-card .m-row .btn{flex:0 0 auto}
.settings h2{font-size:20px;margin-bottom:8px}
.set-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;border-top:2px solid #F1EEFC}
.set-row span{display:flex;align-items:center;gap:10px;font-weight:800}
.set-row span .ic{width:24px;height:24px;color:var(--brand)}
.switch{position:relative;width:58px;height:34px;border:0;border-radius:99px;background:#DCD6F2;cursor:pointer;transition:background .2s}
.switch i{position:absolute;left:4px;top:4px;width:26px;height:26px;border-radius:50%;background:#fff;box-shadow:0 2px 4px rgba(0,0,0,.2);transition:transform .2s}
.switch.on{background:var(--green)}
.switch.on i{transform:translateX(24px)}
.foot-links{display:flex;justify-content:center;gap:22px;margin-top:22px}
.ver{text-align:center;color:var(--mute);font-size:13px;font-weight:700;margin-top:10px}
.steps{text-align:left}
.note{font-size:14px}

/* ---------- league badges + buddies ---------- */
.league-badge{display:block}
.league-badge.locked{opacity:.85}
.buddy{display:block;width:100%;height:auto;overflow:visible}
.wave-arm{transform-origin:92px 60px;transform-box:view-box;animation:wave 1.2s ease-in-out infinite}

/* ---------- toast, fx, unofficial ---------- */
#toast{position:fixed;left:50%;bottom:calc(var(--tab-h) + env(safe-area-inset-bottom) + 26px);z-index:120;max-width:calc(100vw - 32px);padding:12px 20px;border-radius:16px;background:var(--ink);color:#fff;font-weight:800;text-align:center;
  transform:translate(-50%,20px);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s}
#toast.show{opacity:1;transform:translate(-50%,0)}
#toast.good{background:var(--green-d)}
@media (min-width:760px){#toast{bottom:24px}}
#fx{position:fixed;inset:0;width:100%;height:100%;z-index:110;pointer-events:none}
#unofficial{display:none;position:fixed;left:0;right:0;top:0;z-index:250;padding:8px 12px;background:#B3261E;color:#fff;font-weight:800;text-align:center}
html.unofficial #unofficial{display:block}
.noscript{padding:24px;text-align:center;font-weight:800}

/* ---------- small screens ---------- */
@media (max-width:420px){
  .chip-league span{display:none}
  .chip{padding:4px 7px;font-size:16px}
  .unit-head h2{font-size:21px}
  .path-buddy{width:76px;left:calc(100% + 14px)}
  .node-wrap.buddy-left .path-buddy{right:calc(100% + 14px)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .goal-card,.streak-card,.shop-top,.profile-hero,.league-hero{flex-direction:column;text-align:center}
  .streak-card{align-items:center}
  .week{justify-content:center}
  .umb{justify-content:center}
  .cta-card{flex-direction:column;text-align:center}
}

/* ---------- motion ---------- */
@keyframes pop{0%{transform:scale(.85);opacity:0}100%{transform:scale(1);opacity:1}}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-6px)}}
@keyframes pulse{0%{box-shadow:0 8px 0 rgba(25,15,70,.28),0 0 0 0 rgba(108,76,245,.45)}70%{box-shadow:0 8px 0 rgba(25,15,70,.28),0 0 0 18px rgba(108,76,245,0)}100%{box-shadow:0 8px 0 rgba(25,15,70,.28),0 0 0 0 rgba(108,76,245,0)}}
@keyframes shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-10px)}40%{transform:translateX(9px)}60%{transform:translateX(-6px)}80%{transform:translateX(4px)}}
@keyframes jump{0%{transform:translateY(30px) scale(.8);opacity:0}50%{transform:translateY(-14px) scale(1.05);opacity:1}100%{transform:none}}
@keyframes starIn{0%{transform:scale(0) rotate(-40deg)}100%{transform:scale(1) rotate(0)}}
@keyframes slideIn{0%{transform:translateY(12px);opacity:0}100%{transform:none;opacity:1}}
@keyframes wave{0%,100%{transform:rotate(0)}50%{transform:rotate(-22deg)}}
@keyframes popIn{0%{opacity:0;scale:.85}100%{opacity:1;scale:1}}
@keyframes ring{0%{box-shadow:0 3px 0 rgba(0,0,0,.16),0 0 0 0 rgba(255,255,255,.9)}70%{box-shadow:0 3px 0 rgba(0,0,0,.16),0 0 0 16px rgba(255,255,255,0)}100%{box-shadow:0 3px 0 rgba(0,0,0,.16),0 0 0 0 rgba(255,255,255,0)}}
@keyframes popWord{0%{opacity:0;transform:translate(-50%,-50%) scale(0) rotate(-14deg)}22%{opacity:1;transform:translate(-50%,-50%) scale(1.18) rotate(5deg)}42%{transform:translate(-50%,-50%) scale(1) rotate(-3deg)}78%{opacity:1;transform:translate(-50%,-50%) scale(1) rotate(-3deg)}100%{opacity:0;transform:translate(-50%,-70%) scale(.9) rotate(-3deg)}}
@keyframes foeHit{0%{transform:translateX(0) rotate(0)}20%{transform:translateX(14px) rotate(8deg) scale(.94)}45%{transform:translateX(-8px) rotate(-5deg)}70%{transform:translateX(4px) rotate(2deg)}100%{transform:none}}
@keyframes chestPop{0%{transform:scale(.9)}50%{transform:scale(1.12) translateY(-8px)}100%{transform:none}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes blink{0%,93%,100%{transform:scaleY(1)}96%{transform:scaleY(.12)}}
.buddy .eyes{transform-box:fill-box;transform-origin:center;animation:blink 4.8s infinite}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}