*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;overflow:hidden}
body{
  font-family:'Fredoka',ui-rounded,'Segoe UI Rounded','Arial Rounded MT Bold',system-ui,sans-serif;
  color:var(--ink,#1e1b4b);background:#8b5cf6;user-select:none;-webkit-user-select:none;touch-action:manipulation;
  --bg:linear-gradient(160deg,#f472b6 0%,#a78bfa 50%,#60a5fa 100%);
  --main:#7c3aed;--accent:#f59e0b;--soft:#ede9fe;--ink:#2e1065;
}
button{font-family:inherit;cursor:pointer;color:inherit}

/* ---------- Background ---------- */
.bg{position:fixed;inset:0;background:var(--bg);z-index:0;overflow:hidden;transition:background .6s}
#floaters{position:absolute;inset:0}
.floater{position:absolute;font-size:30px;opacity:.6;will-change:transform;pointer-events:none}
.f-rise{bottom:-70px;animation:rise linear infinite}
.f-fall{top:-70px;animation:fall linear infinite}
.f-spin{bottom:-70px;animation:spinRise linear infinite}
.f-drift{animation:drift ease-in-out infinite alternate}
.f-twinkle{animation:twinkle ease-in-out infinite alternate}
.bubble{width:var(--s);height:var(--s);border-radius:50%;border:2px solid rgba(255,255,255,.75);
  background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.85),rgba(255,255,255,.12) 40%,transparent 70%)}
.star-dot{width:var(--s);height:var(--s);border-radius:50%;background:#fff;box-shadow:0 0 8px #fff}
@keyframes rise{to{transform:translateY(-125vh) translateX(30px)}}
@keyframes fall{to{transform:translateY(125vh) rotate(400deg)}}
@keyframes spinRise{to{transform:translateY(-125vh) rotate(720deg)}}
@keyframes drift{0%{transform:translate(0,0) rotate(-12deg)}50%{transform:translate(50px,-40px) rotate(12deg)}100%{transform:translate(-40px,30px) rotate(-6deg)}}
@keyframes twinkle{from{opacity:.15;transform:scale(.6)}to{opacity:.95;transform:scale(1.15)}}

#fx{position:fixed;inset:0;pointer-events:none;z-index:60}
#app{position:relative;z-index:1;height:100%;max-width:560px;margin:0 auto}
.screen{display:none;flex-direction:column;height:100%;
  padding:max(10px,env(safe-area-inset-top)) 14px max(12px,env(safe-area-inset-bottom))}
.screen.active{display:flex;animation:screenIn .4s ease-out}
#home,#book{overflow-y:auto;-webkit-overflow-scrolling:touch}

/* ---------- Top bar ---------- */
.topbar{display:flex;align-items:center;gap:8px;min-height:50px}
.spacer{flex:1}
.icon-btn{width:46px;height:46px;flex:0 0 46px;border-radius:16px;border:none;background:rgba(255,255,255,.9);
  font-size:23px;box-shadow:0 4px 0 rgba(0,0,0,.18);transition:transform .08s,opacity .2s}
.icon-btn:active{transform:translateY(3px);box-shadow:0 1px 0 rgba(0,0,0,.18)}
.icon-btn.off{opacity:.45}
.world-title{flex:1;color:#fff;font-weight:700;font-size:clamp(16px,4.6vw,22px);text-shadow:0 2px 0 rgba(0,0,0,.25);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.streak{background:#fff;border-radius:999px;padding:5px 12px 5px 8px;font-weight:700;font-size:22px;display:flex;
  align-items:center;gap:3px;box-shadow:0 4px 0 rgba(0,0,0,.18);transition:background .3s}
.flame{display:inline-block;transition:transform .3s cubic-bezier(.3,1.8,.5,1)}
.streak.cold .flame{filter:grayscale(1);opacity:.45}
.streak.warm{background:#fef3c7}
.streak.hot{background:linear-gradient(#fde68a,#fb923c);color:#7c2d12;animation:glow .8s infinite alternate}
.streak.bump{animation:bump .45s}

/* ---------- Home ---------- */
.title{text-align:center;margin:6px 0 2px;font-size:clamp(36px,10.5vw,60px);line-height:1;font-weight:700;letter-spacing:1px}
.title .word{display:inline-block;white-space:nowrap}
.title .word span{display:inline-block;color:#fff;-webkit-text-stroke:2px rgba(0,0,0,.15);
  text-shadow:0 5px 0 rgba(0,0,0,.18);animation:letterBob 2.4s ease-in-out infinite}
.subtitle{text-align:center;color:#fff;font-size:18px;margin:6px 0 14px;text-shadow:0 2px 0 rgba(0,0,0,.2)}
.world-list{display:flex;flex-direction:column;gap:14px}
.world-card{border-radius:26px;padding:12px 12px 12px 14px;display:flex;align-items:center;gap:10px;color:#fff;
  background:var(--wbg);box-shadow:0 7px 0 rgba(0,0,0,.18),inset 0 0 0 3px rgba(255,255,255,.35);position:relative;
  overflow:hidden;animation:cardIn .5s backwards}
.world-card::after{content:'';position:absolute;right:-30px;top:-30px;width:120px;height:120px;border-radius:50%;
  background:rgba(255,255,255,.15)}
.wc-emoji{font-size:52px;line-height:1;animation:bob 3s ease-in-out infinite;filter:drop-shadow(0 4px 0 rgba(0,0,0,.2))}
.wc-info{flex:1;min-width:0}
.wc-name{font-size:clamp(18px,5vw,23px);font-weight:700;text-shadow:0 2px 0 rgba(0,0,0,.25);line-height:1.1}
.wc-range{font-size:16px;font-weight:600;background:rgba(255,255,255,.3);display:inline-block;border-radius:10px;
  padding:1px 9px;margin-top:4px}
.wc-modes{display:flex;flex-direction:column;gap:8px;z-index:1}
.mode-btn{border:none;border-radius:16px;padding:6px 10px;font-size:17px;font-weight:700;background:#fff;
  color:var(--wmain);box-shadow:0 4px 0 rgba(0,0,0,.2);min-width:118px;transition:transform .08s}
.mode-btn:active{transform:translateY(3px);box-shadow:0 1px 0 rgba(0,0,0,.2)}
.mode-btn small{display:block;font-size:13px;letter-spacing:1px;line-height:1.1}
.mode-btn small .s-off{filter:grayscale(1);opacity:.35}
.btn{border:none;border-radius:20px;padding:12px 20px;font-size:20px;font-weight:700;background:var(--main);color:#fff;
  box-shadow:0 6px 0 rgba(0,0,0,.22);transition:transform .08s}
.btn:active{transform:translateY(4px);box-shadow:0 2px 0 rgba(0,0,0,.22)}
.btn.big{font-size:22px;padding:14px 22px}
.btn.alt{background:#fff;color:var(--main)}
.book-btn{margin:18px auto 10px;display:block;background:#fff;color:#7c3aed}

/* ---------- Play ---------- */
.prog{display:flex;gap:7px;justify-content:center;margin:8px 0 2px}
.pd{width:14px;height:14px;border-radius:50%;background:rgba(255,255,255,.4);transition:all .3s}
.pd.cur{background:#fff;transform:scale(1.35);box-shadow:0 0 0 3px rgba(255,255,255,.4)}
.pd.good{background:#22c55e;box-shadow:0 0 0 2px #fff}
.pd.help{background:#facc15;box-shadow:0 0 0 2px #fff}
.pd.shown{background:#fb923c;box-shadow:0 0 0 2px #fff}

.mascot-row{display:flex;align-items:flex-end;gap:12px;margin:8px 0 10px;min-height:70px}
.mascot{font-size:clamp(48px,14vw,64px);line-height:1;animation:bob 2.4s ease-in-out infinite;
  filter:drop-shadow(0 4px 0 rgba(0,0,0,.18))}
.mascot.cheer{animation:cheer .7s ease-out}
.mascot.wobble{animation:wobble .6s ease-in-out}
.bubble-say{background:#fff;border-radius:20px;padding:10px 14px;font-size:clamp(16px,4.4vw,20px);font-weight:600;
  position:relative;flex:1;box-shadow:0 4px 0 rgba(0,0,0,.14);min-height:48px;display:flex;align-items:center}
.bubble-say::before{content:'';position:absolute;left:-10px;bottom:14px;border:10px solid transparent;border-right-color:#fff;border-left:0}
.bubble-say.pop{animation:sayPop .35s}

.eq-card{background:#fff;border-radius:28px;padding:46px 8px 16px;position:relative;
  box-shadow:0 8px 0 rgba(0,0,0,.13),0 14px 30px rgba(0,0,0,.18)}
.eq{display:flex;align-items:center;justify-content:center;gap:clamp(4px,1.6vw,10px)}
.box{min-width:clamp(60px,18vw,88px);height:clamp(66px,19vw,92px);padding:0 6px;border-radius:20px;display:flex;
  align-items:center;justify-content:center;font-size:clamp(36px,11vw,56px);font-weight:700;background:var(--soft);
  color:var(--ink);box-shadow:inset 0 -6px 0 rgba(0,0,0,.08)}
.op{font-size:clamp(30px,9vw,48px);font-weight:700;color:var(--main)}
.box.blank{background:#fff;border:4px dashed var(--main);color:var(--main);box-shadow:none;animation:pulse 1.4s ease-in-out infinite}
.box.blank.typed{border-style:solid}
.box.blank .q{opacity:.55}
.box.blank.right{border:4px solid #22c55e;background:#dcfce7;color:#15803d;animation:popBox .5s}
.box.blank.reveal{border:4px solid #f59e0b;background:#fef3c7;color:#b45309;animation:popBox .5s}
.box.blank.shake{animation:shake .45s}
.box.blank.wrong{border-color:#ef4444;color:#ef4444}
.mini-btn{position:absolute;top:8px;border:none;border-radius:12px;background:var(--soft);color:var(--ink);
  font-size:15px;font-weight:600;padding:4px 10px;box-shadow:0 3px 0 rgba(0,0,0,.12)}
.mini-btn:active{transform:translateY(2px);box-shadow:none}
.mini-btn.read{left:10px;font-size:17px}
.mini-btn.hint-btn{right:10px}
.mini-btn:disabled{opacity:.4}

.hint{background:rgba(255,255,255,.96);border-radius:22px;padding:10px 12px 8px;margin-top:10px;display:none;position:relative;
  box-shadow:0 5px 0 rgba(0,0,0,.12)}
.hint.open{display:block;animation:screenIn .3s}
.hint-close{position:absolute;right:8px;top:6px;border:none;background:none;font-size:20px;color:#64748b}
.hint-text{font-weight:600;font-size:clamp(15px,4.2vw,18px);margin:0 26px 6px 0;color:var(--ink)}
.hint-count{text-align:center;font-weight:700;font-size:22px;color:var(--main);min-height:28px}
.hint-count.done{animation:popBox .5s}
.dots .row{display:flex;justify-content:center;gap:3px;margin:3px 0}
.dot{width:clamp(22px,7vw,28px);height:clamp(22px,7vw,28px);font-size:clamp(16px,5vw,21px);display:flex;align-items:center;
  justify-content:center;position:relative;border-radius:50%;transform:scale(0);transition:transform .25s cubic-bezier(.3,1.6,.5,1)}
.dot.in{transform:scale(1)}
.dot.gap{margin-left:9px}
.dot.b{background:color-mix(in srgb,var(--accent) 35%,transparent)}
.dot.q{border:2.5px dashed var(--main);background:#fff}
.dot i{font-style:normal;transition:opacity .2s}
.dot.x.crossed i{opacity:.3}
.dot.x.crossed::after{content:'';position:absolute;left:-2px;right:-2px;top:50%;height:3px;background:#ef4444;
  transform:rotate(-40deg);border-radius:2px}
.dot .n{position:absolute;bottom:-6px;right:-6px;background:var(--main);color:#fff;font-size:11px;font-weight:700;
  min-width:17px;height:17px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 3px;
  animation:popBox .3s;opacity:1}
.nl{width:100%;height:auto;display:block;overflow:visible}
.nl text{font-family:inherit;font-weight:600}
.nl .hop{fill:none;stroke:var(--main);stroke-width:3.5;stroke-linecap:round}
.nl .marker{transition:transform .3s cubic-bezier(.3,1.4,.5,1)}

.pad{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:auto;padding-top:12px}
.key{height:clamp(50px,8.6vh,72px);border:none;border-radius:20px;font-size:clamp(28px,8vw,34px);font-weight:700;background:#fff;
  color:var(--ink);box-shadow:0 6px 0 rgba(0,0,0,.2);transition:transform .07s}
.key:active,.key.down{transform:translateY(4px);box-shadow:0 2px 0 rgba(0,0,0,.2)}
.key.go{background:#22c55e;color:#fff}
.key.go.next{background:var(--accent)}
.key.del{background:#fde68a;color:#92400e}

/* ---------- Results ---------- */
#results{justify-content:center}
.results-card{background:#fff;border-radius:32px;padding:24px 18px;text-align:center;box-shadow:0 10px 0 rgba(0,0,0,.15);animation:popIn .6s cubic-bezier(.3,1.5,.5,1)}
.results-card h2{margin:6px 0;font-size:34px;color:var(--main)}
.res-mascot{font-size:80px;animation:cheer 1s ease-out infinite alternate}
.stars{display:flex;justify-content:center;gap:6px;margin:6px 0}
.star{font-size:60px;filter:grayscale(1);opacity:.25;transition:all .3s}
.star.on{filter:none;opacity:1;animation:starIn .6s cubic-bezier(.3,1.8,.5,1)}
.res-line{font-size:19px;margin:6px 0;font-weight:500}
.res-stickers{font-size:40px;min-height:10px;margin:6px 0}
.res-btns{display:flex;flex-direction:column;gap:12px;margin-top:14px}
.res-btns .btn.alt{box-shadow:0 6px 0 rgba(0,0,0,.15),inset 0 0 0 3px var(--main)}

/* ---------- Sticker book ---------- */
.book-list{display:flex;flex-direction:column;gap:12px;padding-bottom:20px}
.book-world{border-radius:22px;padding:10px 12px;background:var(--wbg);color:#fff;box-shadow:0 6px 0 rgba(0,0,0,.18)}
.book-world h3{margin:0 0 6px;font-size:19px;text-shadow:0 2px 0 rgba(0,0,0,.25)}
.book-row{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}
.slot{aspect-ratio:1;border-radius:14px;background:rgba(255,255,255,.85);display:flex;align-items:center;justify-content:center;font-size:clamp(24px,8vw,36px)}
.slot.empty span{filter:brightness(0);opacity:.15}
.gold-row{text-align:center;color:#fff;font-size:20px;font-weight:700;text-shadow:0 2px 0 rgba(0,0,0,.25)}

/* ---------- Modal & toast ---------- */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.55);display:none;align-items:center;justify-content:center;z-index:55}
.modal.open{display:flex}
.modal-card{background:#fff;border-radius:30px;padding:22px;text-align:center;max-width:320px;width:86%;
  animation:popIn .5s cubic-bezier(.3,1.6,.5,1);box-shadow:0 10px 0 rgba(0,0,0,.2)}
.modal-title{font-size:28px;font-weight:700;color:var(--main)}
.big-sticker{font-size:110px;line-height:1.2;animation:stickerIn 1s cubic-bezier(.3,1.5,.5,1)}
.modal-text{font-size:18px;margin:4px 0 16px}
.toast{position:fixed;top:22%;left:50%;z-index:58;pointer-events:none;white-space:nowrap;font-size:clamp(26px,8vw,40px);font-weight:700;
  color:#fff;-webkit-text-stroke:1.5px rgba(0,0,0,.2);text-shadow:0 4px 0 rgba(0,0,0,.25);animation:toast 1.9s forwards}

/* ---------- Keyframes ---------- */
@keyframes screenIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes cardIn{from{opacity:0;transform:translateX(-30px) scale(.95)}to{opacity:1;transform:none}}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@keyframes letterBob{0%,100%{transform:translateY(0) rotate(-3deg)}50%{transform:translateY(-8px) rotate(3deg)}}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.06)}}
@keyframes popBox{0%{transform:scale(.6)}60%{transform:scale(1.2)}100%{transform:scale(1)}}
@keyframes shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-10px)}40%{transform:translateX(10px)}60%{transform:translateX(-7px)}80%{transform:translateX(6px)}}
@keyframes cheer{0%{transform:translateY(0) scale(1)}30%{transform:translateY(-26px) scale(1.15) rotate(-10deg)}60%{transform:translateY(0) scale(.95) rotate(8deg)}100%{transform:translateY(0) scale(1)}}
@keyframes wobble{0%,100%{transform:rotate(0)}25%{transform:rotate(-14deg)}75%{transform:rotate(14deg)}}
@keyframes sayPop{from{transform:scale(.85)}to{transform:scale(1)}}
@keyframes glow{from{box-shadow:0 4px 0 rgba(0,0,0,.18),0 0 0 rgba(251,146,60,.0)}to{box-shadow:0 4px 0 rgba(0,0,0,.18),0 0 18px rgba(251,146,60,.95)}}
@keyframes bump{0%{transform:scale(1)}40%{transform:scale(1.3)}100%{transform:scale(1)}}
@keyframes popIn{from{opacity:0;transform:scale(.5)}to{opacity:1;transform:scale(1)}}
@keyframes stickerIn{0%{transform:scale(0) rotate(-200deg)}70%{transform:scale(1.25) rotate(15deg)}100%{transform:scale(1) rotate(0)}}
@keyframes starIn{0%{transform:scale(0) rotate(-90deg)}100%{transform:scale(1) rotate(0)}}
@keyframes toast{0%{opacity:0;transform:translate(-50%,30px) scale(.6)}15%{opacity:1;transform:translate(-50%,0) scale(1.1)}25%{transform:translate(-50%,0) scale(1)}80%{opacity:1}100%{opacity:0;transform:translate(-50%,-40px)}}

@media (max-height:700px){
  .mascot-row{min-height:56px;margin:4px 0 6px}
  .mascot{font-size:46px}
  .eq-card{padding-top:42px}
  .pad{gap:8px;padding-top:8px}
}
@media (max-height:780px){
  #play.hinting .mascot-row,#play.hinting .prog{display:none}
  #play.hinting .eq-card{padding:40px 8px 10px;margin-top:8px}
  #play.hinting .box{height:58px;min-width:54px;font-size:36px}
  #play.hinting .op{font-size:30px}
  #play.hinting .hint-text{font-size:15px}
  #play.hinting .nl{max-height:96px}
  #play.hinting .key{height:clamp(46px,7.6vh,64px)}
}
@media (prefers-reduced-motion:reduce){
  .floater,.title .word span,.wc-emoji,.mascot,.box.blank{animation:none!important}
}