:root{
  --paper:#F6EFDF; --paper2:#EFE3C9; --card:#FDF8EC; --ink:#2A2320; --cream:#ECE6D0; --beige:#B3A191;
  --sun:#F5B93F; --coral:#E4572E; --blue:#4D9DE0; --leaf:#7FB069; --pink:#F0938A;
  --indigo:#2A2440; --indigo2:#3A3F73; --night:#241F38;
  --wb:255px 15px 225px 15px/15px 225px 15px 255px;
  --wb2:15px 225px 15px 255px/255px 15px 225px 15px;
  --wbS:14px 18px 12px 20px/20px 12px 18px 14px;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:auto}
html,body{overscroll-behavior:none}
body{
  font-family:'Nunito',system-ui,sans-serif;color:var(--ink);
  background:var(--paper);
  background-image:radial-gradient(#e2d4b4 1.1px,transparent 1.4px);
  background-size:26px 26px;
  min-height:100vh;min-height:100dvh;
  -webkit-font-smoothing:antialiased;
  touch-action:manipulation;
}
body.lock{overflow:hidden}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;touch-action:manipulation;color:inherit;background:none;border:none}
svg{display:block}
::selection{background:var(--sun);color:var(--ink)}

/* ---------- topbar ---------- */
.topbar{
  position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:10px;
  padding:calc(10px + env(safe-area-inset-top)) 14px 10px;
  background:var(--paper);border-bottom:3px solid var(--ink);
}
.logo{display:flex;align-items:center;gap:8px;font-family:'Unbounded';font-weight:700;font-size:13px;letter-spacing:.02em}
.logo svg{width:34px;height:34px}
.dots{display:flex;gap:6px;margin-left:auto}
.dot{
  width:32px;height:32px;border:2.5px solid var(--ink);background:var(--card);
  border-radius:var(--wbS);display:grid;place-items:center;position:relative;transition:transform .15s;
}
.dot svg{width:15px;height:15px}
.dot:active{transform:scale(.9)}
.dot.cur{background:var(--coral)}
.dot.cur svg *{stroke:var(--cream)}
.dot.done{background:var(--sun)}
.dot.lock{opacity:.45;border-style:dashed}
#btnSound{width:32px;height:32px;border:2.5px solid var(--ink);background:var(--card);border-radius:var(--wbS);font-size:15px;font-weight:800;line-height:1}
#btnSound.off{opacity:.5;text-decoration:line-through}

/* ---------- layout ---------- */
main{max-width:560px;margin:0 auto;padding:0 18px calc(30px + env(safe-area-inset-bottom))}
.screen{display:none;padding-top:26px}
.screen.active{display:block;animation:scrIn .45s ease both}
.screen.active .st{animation:pop .6s cubic-bezier(.34,1.5,.5,1) both;animation-delay:var(--d,0s)}
@keyframes scrIn{from{opacity:0}to{opacity:1}}
@keyframes pop{from{opacity:0;transform:translateY(18px) scale(.96)}to{opacity:1;transform:none}}

.tag{
  display:inline-block;font-family:'Unbounded';font-weight:700;font-size:10.5px;letter-spacing:.08em;
  text-transform:uppercase;background:var(--sun);border:2.5px solid var(--ink);
  padding:6px 12px;border-radius:var(--wbS);
}
.tag.t-ink{background:var(--beige)}
.tag.t-coral{background:var(--coral);color:var(--cream)}
h1{font-family:'Unbounded';font-weight:900;font-size:clamp(30px,9vw,46px);line-height:1.06;margin:16px 0 6px}
h1 em{font-style:normal;color:var(--coral)}
h2{font-family:'Unbounded';font-weight:700;font-size:clamp(22px,6.6vw,32px);line-height:1.15;margin:14px 0 4px}
.squig{width:min(220px,60%);height:14px;margin:2px 0 18px}
.lead{font-size:16.5px;line-height:1.65;margin:14px 0 4px}
.story{
  background:var(--card);border:3px solid var(--ink);border-radius:var(--wb);
  padding:20px 18px;margin:18px 0 14px;font-size:16px;line-height:1.7;
}
.story p+p{margin-top:12px}
.story b{font-weight:800}
.sw{display:inline-block;width:14px;height:14px;border:2px solid var(--ink);border-radius:50%;vertical-align:-2px;margin:0 2px}
.say{
  font-family:'Caveat';font-weight:700;font-size:clamp(20px,5.6vw,25px);line-height:1.35;
  background:var(--paper2);border:3px solid var(--ink);border-radius:var(--wb2);
  padding:16px 20px;margin:0 0 20px;position:relative;
}
.say::before{
  content:"";position:absolute;top:-12px;left:34px;width:18px;height:18px;background:inherit;
  border-left:3px solid var(--ink);border-top:3px solid var(--ink);transform:rotate(35deg) skewX(20deg);
}
.illo{margin:16px 0 6px;position:relative}
.illo .frame{border:3px solid var(--ink);border-radius:var(--wb);overflow:hidden;transform:rotate(-1.4deg);background:var(--cream)}
.illo .frame img{width:100%}
.illo .frame.f2{transform:rotate(1.2deg)}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:'Unbounded';font-weight:700;font-size:14px;letter-spacing:.02em;
  border:3px solid var(--ink);border-radius:var(--wb);padding:16px 24px;
  background:var(--sun);color:var(--ink);transition:transform .12s;min-height:52px;
}
.btn:active{transform:translateY(3px) scale(.99)}
.btn-ink{background:var(--ink);color:var(--cream)}
.btn-coral{background:var(--coral);color:var(--cream)}
.btn-ghost{background:var(--card)}
.btn.big{width:100%;font-size:15px;padding:18px 22px}
.btn svg{width:20px;height:20px;flex:none}
.rule{font-size:13.5px;line-height:1.5;opacity:.75;margin-top:10px}
.badge{display:none;font-family:'Unbounded';font-size:10.5px;font-weight:700;border:2.5px solid var(--ink);background:var(--leaf);color:var(--cream);padding:6px 12px;border-radius:var(--wbS);margin-left:8px;vertical-align:middle}
.locknote{font-size:13.5px;font-weight:700;opacity:.7;margin-top:10px}

/* floating decor */
.fx{position:absolute;pointer-events:none;animation:floaty 4.5s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0) rotate(var(--fr,0deg))}50%{transform:translateY(-9px) rotate(calc(var(--fr,0deg) + 7deg))}}
.heroWrap{position:relative}

/* ---------- final dark ---------- */
.screen.dark{
  background:var(--indigo);color:var(--cream);border:3px solid var(--ink);
  border-radius:26px 34px 24px 36px/36px 24px 34px 26px;padding:26px 20px 34px;margin-top:26px;
  background-image:radial-gradient(#3b3560 1.2px,transparent 1.5px);background-size:30px 30px;
}
.screen.dark .story{background:#34305A;border-color:var(--cream);color:var(--cream)}
.screen.dark .say{background:#3b3560;border-color:var(--cream);color:var(--cream)}
.screen.dark .say::before{border-color:var(--cream)}
.screen.dark .illo .frame{border-color:var(--cream);background:var(--indigo)}
.screen.dark .btn-ghost{background:transparent;color:var(--cream);border-color:var(--cream)}
.linklike{display:inline-block;margin-top:16px;font-size:13px;font-weight:700;opacity:.7;text-decoration:underline;background:none;border:none;color:inherit;cursor:pointer}

footer{max-width:560px;margin:0 auto;padding:0 18px calc(26px + env(safe-area-inset-bottom));font-size:12px;opacity:.6;text-align:center}

/* ---------- game overlays ---------- */
.goverlay{
  position:fixed;inset:0;z-index:60;display:none;flex-direction:column;
  user-select:none;-webkit-user-select:none;
}
.goverlay.open{display:flex;animation:scrIn .3s ease both}
#ov-memo{background:var(--night);color:var(--cream);background-image:radial-gradient(#3b3560 1.2px,transparent 1.5px);background-size:28px 28px}
#ov-jump{background:var(--night);color:var(--cream)}
.gtop{display:flex;align-items:center;gap:8px;padding:calc(12px + env(safe-area-inset-top)) 14px 10px;flex-wrap:wrap}
.gclose{width:40px;height:40px;border:3px solid currentColor;border-radius:var(--wbS);font-size:16px;font-weight:800;flex:none}
.gclose:active{transform:scale(.92)}
.gstat{border:3px solid currentColor;padding:8px 12px;border-radius:var(--wbS);font-family:'Unbounded';font-size:11px;font-weight:700;white-space:nowrap}
.gstat b{font-size:13px}
.gtitle{font-family:'Unbounded';font-weight:700;font-size:13px;margin-right:auto}
.ghint{padding:8px 16px calc(12px + env(safe-area-inset-bottom));text-align:center;font-size:12.5px;opacity:.8}

/* memory */
.memo-wrap{flex:1;min-height:0;position:relative;display:flex;align-items:center;justify-content:center;padding:8px}
.memo-board{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;width:min(94vw,396px,calc(100dvh - 250px),calc(100vh - 250px))}
.mcard{aspect-ratio:1;position:relative;perspective:700px;transform:rotate(var(--r,0deg))}
.mcard.orbited{transition:transform 1.1s cubic-bezier(.3,1.25,.4,1);pointer-events:none;z-index:2}
.mflip{position:absolute;inset:0;transform-style:preserve-3d;transition:transform .45s cubic-bezier(.4,1.3,.6,1)}
.mcard.open .mflip{transform:rotateY(180deg)}
.mface{
  position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;
  border:3px solid var(--ink);border-radius:var(--wbS);display:grid;place-items:center;
}
.mfront{background:var(--indigo2)}
.mfront svg{width:44%;height:44%}
.mback{background:var(--cream);transform:rotateY(180deg)}
.mback svg{width:72%;height:72%}
.mcard.match .mback{background:var(--sun);animation:matchPulse .55s cubic-bezier(.3,1.5,.5,1)}
@keyframes matchPulse{0%{transform:rotateY(180deg) scale(1)}45%{transform:rotateY(180deg) scale(1.14)}100%{transform:rotateY(180deg) scale(1)}}
.orbit-sun{
  position:absolute;left:50%;top:50%;width:86px;height:86px;z-index:3;
  transform:translate(-50%,-50%) scale(.2);opacity:0;pointer-events:none;
}
.orbit-sun svg{width:100%;height:100%}
.orbit-sun.show{opacity:1;animation:sunIn .7s cubic-bezier(.3,1.6,.5,1) both,sunPulse 2.4s 1s ease-in-out infinite}
@keyframes sunIn{from{transform:translate(-50%,-50%) scale(.2)}to{transform:translate(-50%,-50%) scale(1)}}
@keyframes sunPulse{0%,100%{transform:translate(-50%,-50%) scale(1)}50%{transform:translate(-50%,-50%) scale(1.09)}}

/* panels */
.gpanel{position:absolute;inset:0;display:none;place-items:center;padding:22px;z-index:6}
.gpanel.open{display:grid;animation:scrIn .35s ease both}
.gbox{
  background:var(--paper);color:var(--ink);border:3px solid var(--ink);border-radius:var(--wb);
  padding:26px 22px;max-width:340px;width:100%;text-align:center;
}
.gbox h3{font-family:'Unbounded';font-weight:900;font-size:21px;margin-bottom:10px}
.gbox p{font-size:15px;line-height:1.6;margin-bottom:16px}
.gbox .btn{width:100%;margin-top:8px}
.gbox .score{font-family:'Unbounded';font-size:11px;font-weight:700;background:var(--paper2);border:2.5px solid var(--ink);border-radius:var(--wbS);display:inline-block;padding:6px 12px;margin-bottom:6px}

/* jump */
.gstage{flex:1;min-height:0;position:relative;margin:4px 14px;display:flex;align-items:center;justify-content:center}
#jumpCv{border:3px solid var(--cream);border-radius:18px 24px 16px 26px/26px 16px 24px 18px;touch-action:none;background:#8FCBE4}
.jbar{height:10px;border:2.5px solid currentColor;border-radius:8px;overflow:hidden;flex:1;min-width:70px}
.jbar i{display:block;height:100%;width:0%;background:var(--coral);transition:width .25s}

/* toast */
#toast{
  position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));z-index:90;
  transform:translateX(-50%) translateY(24px);opacity:0;pointer-events:none;
  background:var(--ink);color:var(--cream);padding:13px 20px;border-radius:var(--wbS);
  font-weight:800;font-size:14px;max-width:88vw;text-align:center;transition:.3s;
}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media (min-width:640px){
  .lead,.story{font-size:17px}
  .memo-board{gap:12px}
}