:root{
  --bg1:#ffe0bb; --bg2:#fff1e2; --bg3:#dfe6f5;
  --ink:#13224a; --muted:#4b5a7c; --card:rgba(255,255,255,.62); --card-b:rgba(255,255,255,.88);
  --accent:#e2601f; --sun:#ffb347; --glow:rgba(255,140,60,.35); --shadow:0 10px 30px rgba(19,34,74,.16);
  /* Spielfeld */
  --floor:#fbf4ec; --floor2:#efe2d2; --wall:#13224a; --wall2:#2a3f7e; --goal:#e2601f;
  --box:#f4a24a; --box2:#b8581a; --done:#1f9d7a; --done2:#10684f; --man:#13224a; --man2:#ff9a5a; --eye:#fff;
  --round:ui-rounded,"SF Pro Rounded","Nunito","Quicksand",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
@media (prefers-color-scheme:dark){:root{
  --bg1:#060b1e; --bg2:#0d1838; --bg3:#2a1836;
  --ink:#eef1fb; --muted:#aab4d4; --card:rgba(20,28,60,.72); --card-b:rgba(255,255,255,.14);
  --accent:#ff9a5a; --sun:#ff7a3d; --glow:rgba(255,110,50,.3); --shadow:0 10px 30px rgba(0,0,0,.5);
  --floor:#16204a; --floor2:#1d2a5c; --wall:#3b55a8; --wall2:#5b77cf; --goal:#ff9a5a;
  --box:#ff9a5a; --box2:#c4581f; --done:#34c79a; --done2:#1d8a68; --man:#f6e9df; --man2:#ff7a3d; --eye:#13224a;
}}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{display:flex;flex-direction:column;height:100vh;height:100dvh;overflow:hidden;color:var(--ink);
  font:400 15px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:linear-gradient(180deg,var(--bg1),var(--bg2) 45%,var(--bg3)) fixed;background-color:var(--bg2);
  -webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}
button,select{font:inherit;color:inherit;touch-action:manipulation}
a{color:inherit}

.bar{position:relative;z-index:3;display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;
  padding:max(8px,env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) 8px max(12px,env(safe-area-inset-left));
  background:var(--card);border-bottom:1px solid var(--card-b);box-shadow:var(--shadow);
  backdrop-filter:blur(14px) saturate(1.3);-webkit-backdrop-filter:blur(14px) saturate(1.3)}
.home{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;text-decoration:none;color:var(--muted);opacity:.7;
  transition:opacity .15s,background .15s,color .15s}
.home:hover,.home:focus-visible{opacity:1;color:var(--ink);background:var(--card-b)}
.home svg{display:block}
h1{margin:0;font:800 1.35rem/1 var(--round);letter-spacing:-.03em}
h1 span{background:linear-gradient(95deg,var(--ink),var(--accent) 70%,var(--sun));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat{font-variant-numeric:tabular-nums;color:var(--muted);font-size:.9rem;white-space:nowrap}
.stat b{color:var(--ink);font-family:var(--round)}
.bar .sel,.bar .tools{display:flex;align-items:center;gap:6px}
.bar .sel{margin-left:auto}
.ib{display:grid;place-items:center;min-width:36px;height:36px;padding:0 6px;border-radius:12px;border:1px solid var(--card-b);
  background:var(--card);cursor:pointer;font-size:1.05rem;font-weight:700;transition:transform .15s}
.ib:hover{transform:translateY(-1px);border-color:var(--accent)}
.ib:active{transform:scale(.94)}
.ib.on{background:var(--ink);color:var(--bg2)}

#stage{position:relative;flex:1;min-height:0;overflow:hidden}
#board,#fx{position:absolute;inset:0;width:100%;height:100%;display:block}
#board{touch-action:none;cursor:pointer}
#fx{pointer-events:none;z-index:4}
#stage.shake #board{animation:shake .5s cubic-bezier(.36,.07,.19,.97) both}
@keyframes shake{10%,90%{transform:translate(-2px,1px) rotate(-.3deg)}20%,80%{transform:translate(4px,-2px) rotate(.4deg)}
  30%,50%,70%{transform:translate(-7px,3px) rotate(-.8deg)}40%,60%{transform:translate(7px,-3px) rotate(.8deg)}}
.ltitle{position:absolute;left:0;right:0;bottom:max(10px,env(safe-area-inset-bottom));text-align:center;color:var(--muted);
  font:600 .85rem var(--round);pointer-events:none}

.pad{position:absolute;z-index:2;right:max(14px,env(safe-area-inset-right));bottom:max(14px,env(safe-area-inset-bottom));
  display:grid;grid-template:repeat(3,52px)/repeat(3,52px);gap:4px;opacity:.9}
.pad[hidden]{display:none}
.pad button{border-radius:16px;border:1px solid var(--card-b);background:var(--card);font-size:1.2rem;touch-action:none;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:var(--shadow)}
.pad button.act{background:var(--ink);color:var(--bg2)}
.pad .u{grid-area:1/2}.pad .l{grid-area:2/1}.pad .r{grid-area:2/3}.pad .d{grid-area:3/2}

.overlay{position:absolute;inset:0;z-index:5;display:grid;place-items:center;padding:16px;background:rgba(6,11,30,.25)}
.overlay[hidden]{display:none}
.overlay .card{max-width:440px;width:100%;padding:24px;border-radius:24px;background:var(--card);border:1px solid var(--card-b);
  box-shadow:var(--shadow);backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);
  animation:pop .45s cubic-bezier(.2,.8,.2,1.4) both;-webkit-user-select:text;user-select:text}
#win .card{text-align:center}
.overlay h2{margin:.1em 0 .3em;font:800 1.7rem var(--round);letter-spacing:-.02em}
.overlay ul{padding-left:1.1em;margin:.6em 0}
.overlay li{margin:.35em 0}
.overlay .small{font-size:.82rem;color:var(--muted)}
.overlay .q{font:700 1.15rem var(--round);margin:.9em 0 .2em}
.big{font-size:3.4rem;line-height:1;animation:spin 1.2s cubic-bezier(.2,.8,.2,1.3) both}
.row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:14px}
.btn{border:0;cursor:pointer;padding:.75em 1.3em;border-radius:999px;font:700 1rem var(--round);background:var(--ink);color:var(--bg2);
  box-shadow:var(--shadow);transition:transform .15s}
.btn.ghost{background:var(--card);color:var(--ink);border:1px solid var(--card-b)}
.btn:hover{transform:translateY(-2px) rotate(-1deg)}
@keyframes pop{from{opacity:0;transform:scale(.6) rotate(-6deg)}to{opacity:1;transform:none}}
@keyframes spin{from{transform:scale(0) rotate(-540deg)}to{transform:none}}

@media (max-width:640px){
  .bar{gap:6px 8px}
  h1{font-size:1.15rem}
  .stat{margin-left:auto;font-size:.8rem}
  .bar .sel{margin-left:0;flex:1 1 100%}

  .tools{flex:1 1 100%;justify-content:space-between}
  .ib{min-width:40px;height:40px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- Menü-Button ---------- */
.menub{display:flex;align-items:center;gap:.5em;height:36px;max-width:min(52vw,360px);padding:0 .9em;border-radius:12px;cursor:pointer;
  border:1px solid var(--card-b);background:var(--card);font:600 .95rem var(--round);transition:border-color .15s}
.menub:hover{border-color:var(--accent)}
.menub span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted)}
.menub b{white-space:nowrap}
.menub i{font-style:normal;color:var(--accent)}

/* ---------- Menü ---------- */
.overlay .card.menu{max-width:920px;height:min(680px,calc(100% - 8px));display:flex;flex-direction:column;padding:18px}
.mhead{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.mhead h2{margin:0}
.mbody{flex:1;min-height:0;display:grid;grid-template-columns:260px 1fr;gap:16px}
.cols{overflow:auto;display:flex;flex-direction:column;gap:6px;padding-right:4px}
.col{display:grid;grid-template-columns:1fr auto;align-items:center;gap:2px 8px;text-align:left;cursor:pointer;
  padding:9px 12px;border-radius:14px;border:1px solid transparent;background:transparent;transition:background .15s,border-color .15s}
.col:hover{background:var(--card-b)}
.col.sel{background:var(--ink);color:var(--bg2)}
.col b{font:700 .95rem var(--round);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.col small{font-size:.75rem;opacity:.75;font-variant-numeric:tabular-nums}
.col .bar2{grid-column:1/-1;height:4px;border-radius:2px;background:rgba(127,127,127,.2);overflow:hidden}
.col .bar2 i{display:block;height:100%;background:linear-gradient(90deg,var(--done),var(--accent))}
.lv{display:flex;flex-direction:column;min-height:0}
.lvhead{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:8px}
.lvhead b{font:800 1.15rem var(--round)}
.lvhead span{color:var(--muted);font-size:.85rem}
.lvgrid{overflow:auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(52px,1fr));gap:8px;align-content:start;padding:2px}
.lvgrid button{position:relative;aspect-ratio:1;border-radius:14px;border:1px solid var(--card-b);background:var(--card);cursor:pointer;
  font:700 1rem var(--round);font-variant-numeric:tabular-nums;transition:transform .15s,border-color .15s}
.lvgrid button:hover{transform:translateY(-2px) rotate(-2deg);border-color:var(--accent)}
.lvgrid button.played{border-color:var(--accent)}
.lvgrid button.played::after{content:"";position:absolute;top:6px;right:6px;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.lvgrid button.solved{background:var(--done);color:#fff;border-color:var(--done2)}
.lvgrid button.solved::after{content:"✓";top:2px;right:5px;width:auto;height:auto;background:none;font-size:.7rem}
.lvgrid button.cur{outline:3px solid var(--ink);outline-offset:2px}
.legend{display:flex;gap:6px 14px;flex-wrap:wrap;align-items:center;margin-top:12px;font-size:.8rem;color:var(--muted)}
.sw{display:inline-block;width:12px;height:12px;border-radius:4px;margin-right:-8px;vertical-align:-1px;border:1px solid var(--card-b)}
.sw.solved{background:var(--done)}.sw.played{background:var(--card);border-color:var(--accent);box-shadow:inset 0 0 0 3px var(--accent)}
.sw.cur{outline:2px solid var(--ink)}
@media (max-width:640px){
  .menub{flex:1;max-width:none;justify-content:center}
  .overlay .card.menu{height:100%;padding:14px;border-radius:20px}
  .mbody{grid-template-columns:1fr;grid-template-rows:auto 1fr;gap:10px}
  .cols{flex-direction:row;overflow-x:auto;overflow-y:hidden;padding:0 0 6px;scroll-snap-type:x mandatory}
  .col{min-width:150px;scroll-snap-align:start;border-color:var(--card-b)}
  .lvgrid{grid-template-columns:repeat(auto-fill,minmax(46px,1fr));gap:6px}
  /* Gehirne kleiner und mit Innenabstand: alle 5 bleiben vor der Kachelrundung; bei schmalen Kacheln schrumpfen sie */
  .lvgrid .brains.tile{left:7px;right:7px;bottom:5px;font-size:.5rem}
  .lvgrid .brains.tile svg{flex:0 1 auto;min-width:0}
}
#ask .card{text-align:center;max-width:400px}
/* Menü: Raster scrollt selbst, statt die Karte zu sprengen */
.mbody{grid-template-rows:minmax(0,1fr)}
.cols{min-height:0}
.lvgrid{position:relative;flex:1;min-height:0;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;scroll-behavior:smooth}
@media (max-width:640px){.mbody{grid-template-rows:auto minmax(0,1fr)}}
/* Steuerkreuz links unten; Leveltitel dafür nach oben */
.pad{right:auto;left:max(14px,env(safe-area-inset-left));transform:none}
.ltitle{bottom:auto;top:8px}
/* Sprachen */
.i18n-pending body{visibility:hidden}
.langs{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0 4px}
.langs a{text-decoration:none;padding:.35em .8em;border-radius:999px;border:1px solid var(--card-b);background:var(--card);cursor:pointer;font:700 .85rem var(--round)}
.langs a.on{background:var(--ink);color:var(--bg2)}
/* Overlays: Karte bekommt eine feste Bildschirmhöhe, damit Inhalte darin scrollen (statt abgeschnitten zu werden) */
.overlay{grid-template-rows:minmax(0,1fr);grid-template-columns:minmax(0,1fr);justify-items:center;align-items:center}
.overlay .card{max-height:100%;overflow:auto;overscroll-behavior:contain}
.overlay .card.menu{height:100%;max-height:680px;overflow:hidden}
.lvgrid,.cols{touch-action:pan-y;-webkit-user-select:none;user-select:none}
@media (max-width:640px){.overlay .card.menu{max-height:none}.cols{touch-action:pan-x}}

.about{font-weight:600}
.colsinfo{margin:.6em 0}
.colsinfo summary{cursor:pointer;font:700 .9rem var(--round);color:var(--muted)}
noscript .overlay{display:grid}
.linkbtn{border:0;background:none;cursor:pointer;color:var(--accent);font:600 .85rem var(--round);padding:.3em .6em;border-radius:8px}
.linkbtn:hover{background:var(--card-b)}
/* Tipp: Suche nach der Lösung, danach Statistik + Knöpfe */
.hint{position:absolute;z-index:3;left:12px;right:12px;bottom:max(14px,env(safe-area-inset-bottom));margin:0 auto;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px 12px;width:fit-content;max-width:calc(100% - 24px);
  padding:10px 10px 10px 8px;border-radius:20px;cursor:grab;touch-action:none;
  background:var(--card);border:1px solid var(--card-b);box-shadow:var(--shadow);font:600 .9rem var(--round);
  backdrop-filter:blur(14px) saturate(1.3);-webkit-backdrop-filter:blur(14px) saturate(1.3);animation:pop .3s ease-out both}
.hint[hidden]{display:none}
.htxt{display:flex;flex-direction:column;min-width:0}
.htxt small{font:500 .75rem system-ui,sans-serif;color:var(--muted);font-variant-numeric:tabular-nums}
.htxt small:empty{display:none}
.hbar{flex:0 0 120px;height:8px;border-radius:4px;background:rgba(127,127,127,.22);overflow:hidden}
.hbar i{display:block;height:100%;width:0;border-radius:4px;background:linear-gradient(90deg,var(--done),var(--accent));transition:width .25s linear}
.hbtns{display:flex;gap:8px}
.hbtns .btn{padding:.5em 1em;font-size:.9rem;box-shadow:none}
.hint:not(.search) .hbar,.hint:not(.found) .hbtns{display:none}
.hint .ib{min-width:30px;height:30px;font-size:.85rem}
#hintb.busy{animation:wand 1s ease-in-out infinite}
@keyframes wand{50%{transform:rotate(-18deg) scale(1.1)}}
@media (max-width:640px){.hint{bottom:auto;top:34px}.hbar{flex-basis:70px}.htxt{flex:1 1 160px}}
.hint.moved{right:auto;bottom:auto;margin:0}
.hint.drag{cursor:grabbing;animation:none;opacity:.92}
.hgrip{align-self:stretch;display:grid;place-items:center;padding:0 2px;color:var(--muted);font-size:1rem;letter-spacing:-2px}
.hint .htxt,.hint .hbtns{cursor:auto}
/* Eigene Level importieren */
.imp{margin:.8em 0;padding:.7em .9em;border-radius:16px;background:var(--card-b)}
.imp h3{margin:0 0 .2em;font:800 1.05rem var(--round)}
.imp .row{justify-content:flex-start;margin-top:8px}
.imp .btn{padding:.5em 1em;font-size:.9rem;box-shadow:none}
.imp textarea{display:block;width:100%;min-height:110px;margin-top:8px;padding:8px;border-radius:12px;border:1px solid var(--card-b);
  background:var(--card);color:var(--ink);font:13px/1.15 ui-monospace,Menlo,Consolas,monospace;white-space:pre}
.imp textarea[hidden]{display:none}
.drop{z-index:7;pointer-events:none;background:rgba(226,96,31,.18);outline:4px dashed var(--accent);outline-offset:-14px}
.drop .card{text-align:center;max-width:360px}
.col b .del{display:inline-block;margin-right:.4em;padding:0 .3em;border-radius:6px;opacity:.6}
.col b .del:hover{opacity:1;background:var(--accent);color:#fff}
/* Level-Vorschau im Menü */
.lvprev{position:fixed;z-index:8;pointer-events:none;display:flex;flex-direction:column;align-items:center;gap:6px;max-width:300px;
  padding:10px;border-radius:16px;background:var(--card);border:1px solid var(--card-b);box-shadow:var(--shadow);
  backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);animation:pop .2s ease-out both}
.lvprev[hidden]{display:none}
.lvprev canvas{display:block;border-radius:6px}
.lvprev small{max-width:260px;text-align:center;font:600 .78rem var(--round);color:var(--muted)}
.lvprev small:empty{display:none}
.lvgrid button{-webkit-touch-callout:none}
/* Hilfe/Einstellungen: Zahnrad mit Fragezeichen, Skin-Auswahl; breite Bildschirme: breiter, ab 1000px zweispaltig */
#helpb{padding:0 5px}
.gearq{display:block}
.hmain h3{margin:.9em 0 .1em;font:800 1.05rem var(--round)}
.skinrow{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:8px;margin-top:8px}
.skinb{display:flex;flex-direction:column;align-items:center;gap:5px;padding:8px 6px;border-radius:14px;cursor:pointer;
  border:1px solid var(--card-b);background:var(--card);font:700 .8rem var(--round);transition:transform .15s,border-color .15s}
.skinb:hover{transform:translateY(-1px);border-color:var(--accent)}
.skinb.on{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent)}
.skinb canvas{display:block;border-radius:4px}
@media (min-width:720px){#help .card{max-width:680px}}
@media (min-width:1000px){
  #help .card{max-width:1080px;padding:28px 32px}
  .hcols{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:0 32px;align-items:start}
  .hside > .imp:first-child{margin-top:.2em}
}
/* Menü: Buchstabengruppen über der Sammlungsleiste */
.colwrap{display:flex;flex-direction:column;gap:8px;min-height:0;min-width:0}
.cols{position:relative;flex:1}
.cgroups{display:flex;gap:4px}
.cgroups:empty{display:none}
.cgroups button{flex:1 1 0;min-width:0;padding:.35em .2em;border-radius:10px;border:1px solid var(--card-b);background:var(--card);
  cursor:pointer;font:700 .78rem var(--round);white-space:nowrap;transition:background .15s,border-color .15s}
.cgroups button:hover{border-color:var(--accent)}
.cgroups button.on{background:var(--ink);color:var(--bg2);border-color:var(--ink)}
@media (max-width:640px){.cols{flex:none}}
/* Tipp-Panel „keine Lösung mehr“: Knopf „Zurück bis lösbar“ */
/* Tipp-Panel ohne Ergebnis: „Länger suchen“ */
.hint.dead .hbtns,.hint.none .hbtns{display:flex}
.hint.dead #hnext,.hint.dead #hrun,.hint.none #hnext,.hint.none #hrun,.hint:not(.dead) #hback,.hint:not(.none) #hlong,.hint:not(.none) #hstored,#hstored[hidden]{display:none}
/* Steuerkreuz-Schalter: Windrose; aus = blass, an = hervorgehoben wie die anderen Schalter */
#padt{padding:0 6px}
#padt .rose{display:block}
#padt:not(.on) .rose{opacity:.5}
/* Tipp-Panel: Statusanzeige der Suche (Rundinstrumente + Strategien) */
.hgauges{flex:1 1 100%;order:5;min-width:0}
.hgauges[hidden]{display:none}
.grow{display:flex;justify-content:center;gap:6px}
.gauge{position:relative;flex:0 1 72px;min-width:58px;display:flex;flex-direction:column;align-items:center;cursor:help}
.gsvg{width:100%;max-width:72px;display:block;overflow:visible}
.gsvg path{fill:none;stroke-width:6;stroke-linecap:round}
.gtrack{stroke:rgba(127,127,127,.22)}
.gval,.gres{transition:stroke-dasharray .45s cubic-bezier(.2,.8,.2,1)}
.gres{stroke:var(--sun);opacity:.45}
.gval.gth{stroke:var(--done)}.gval.gram{stroke:var(--accent)}.gval.gpos{stroke:var(--wall2)}.gval.gtime{stroke:var(--sun)}
.gneedle{stroke:var(--ink);stroke-width:2;stroke-linecap:round;transform-origin:32px 32px;transform:rotate(-135deg);transition:transform .45s cubic-bezier(.2,.8,.2,1.25)}
.ghub{fill:var(--ink)}
.gauge b{position:relative;margin-top:-17px;min-height:1em;text-align:center;color:var(--ink);font:800 .8rem/1 var(--round);font-variant-numeric:tabular-nums;white-space:nowrap}
.gauge small{margin-top:2px;font:600 .64rem/1.1 system-ui,sans-serif;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.gauge span{font:700 .64rem/1.2 var(--round);color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.hgauges.done .gneedle{opacity:.55}
.gstr{margin-top:4px;font-size:.72rem}
.gstr summary{cursor:pointer;color:var(--muted);font:700 .72rem var(--round);text-align:center;list-style-position:inside}
.glist{display:grid;gap:2px;max-height:150px;overflow:auto;margin-top:4px}
.gl{position:relative;display:grid;grid-template-columns:1fr auto 1.3em;gap:6px;align-items:center;padding:1px 6px;border-radius:6px;overflow:hidden}
.gl span{position:relative;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.gl i{position:absolute;left:0;top:0;bottom:0;background:rgba(127,127,127,.14);transition:width .45s}
.gl b{position:relative;font-variant-numeric:tabular-nums;font-weight:600}
.gl em{position:relative;font-style:normal;text-align:center}
.gl.ok em{color:var(--done)}.gl.dead em{color:var(--accent)}.gl.run em{animation:gpulse 1s ease-in-out infinite}
@keyframes gpulse{50%{opacity:.3}}
@media (max-width:640px){.gauge{flex-basis:64px;min-width:52px}.gauge b{font-size:.7rem}}
.solverinfo{margin:.8em 0 .2em;padding:.6em .8em;border-left:3px solid var(--accent);border-radius:8px;background:var(--card-b)}
.solverinfo a{color:var(--accent)}
/* Japanisch: System-Schriften mit Kana/Kanji, Zeilenumbruch nach japanischen Regeln */
html:lang(ja){--round:"Hiragino Maru Gothic ProN","Hiragino Sans","Yu Gothic UI","Meiryo","Noto Sans JP","Noto Sans CJK JP",ui-rounded,system-ui,sans-serif}
html:lang(ja) body{font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic UI","Meiryo","Noto Sans JP","Noto Sans CJK JP",system-ui,sans-serif;
  line-break:strict;word-break:normal;overflow-wrap:anywhere}
html:lang(ja) .gauge span{letter-spacing:0}
html:lang(ja) .overlay li{margin:.45em 0}
/* Strategien: echtes Aufklappen mit Pfeil, als Knopf erkennbar */
.gstr summary{display:inline-flex;align-items:center;gap:.35em;margin:0 auto;padding:.15em .6em;border-radius:999px;list-style:none;
  border:1px solid var(--card-b);background:var(--card);color:var(--ink);cursor:pointer;user-select:none}
.gstr summary::-webkit-details-marker{display:none}
.gstr summary::before{content:"▸";transition:transform .15s}
.gstr[open] summary::before{transform:rotate(90deg)}
.gstr summary:hover,.gstr summary:focus-visible{border-color:var(--accent)}
.gstr{text-align:center}
.glist{text-align:left}
/* Tipp-Panel: gleiche Breite und Zeilenstruktur in allen Modi (Suche, Ergebnis, keine Lösung) – nichts springt.
 * Zeile 1: Griff, Text, ✕; Zeile 2: Fortschrittsbalken bzw. Knöpfe; Zeile 3: Rundinstrumente; Zeile 4: Strategien */
.hint{width:min(520px,calc(100% - 24px));justify-content:flex-start}
.hint .hgrip{order:0}.hint .htxt{order:1;flex:1 1 0}.hint #hintx{order:2}
.hint .hbar{order:3;flex:1 1 100%;margin:14px 6px}
.hint .hbtns{order:3;flex:1 1 100%;justify-content:center;flex-wrap:wrap}
.hint .hgauges{order:5}
@media (max-width:640px){.hint .hbar{flex-basis:100%}.hint .htxt{flex:1 1 0}}
/* Rundinstrumente: Wert unter der Nabe, mit Hof in Hintergrundfarbe; Beschriftung ohne Großschreibung */
.gauge b{margin-top:-12px;text-shadow:0 0 2px var(--bg2),0 0 4px var(--bg2),0 0 6px var(--bg2)}
.gauge span{text-transform:none;letter-spacing:0;font-size:.68rem;white-space:nowrap}
.grow{gap:12px}
.glist{max-width:420px;margin-left:auto;margin-right:auto}
.hint .hbar{margin:12px 6px}
@media (max-width:640px){.hint .htxt b{min-height:2.5em;display:flex;align-items:flex-end}.hint .hbar{margin:12px 6px}}
/* Strategien-Liste: feste Höhe, sobald aufgeklappt (kurze ↔ lange Suche springen nicht); Desktop ≈ 10 Zeilen */
.gstr[open] .glist{max-height:none;height:206px}
@media (max-width:640px),(max-height:700px){.gstr[open] .glist{height:128px}}
.gl.restart em{color:var(--accent);font-weight:800}
/* Tipp-Panel: Knopf „Statistik“; beim Abspielen Statistik sanft einklappen (Breite bleibt, nur die Höhe ändert sich) */
.hint .hstat{order:4;flex:1 1 100%;text-align:center;font:700 .78rem var(--round);color:var(--muted)}
.hint .hstat:hover,.hint .hstat:focus-visible{color:var(--ink)}
.hint .hstat[hidden]{display:none}
.hint .hgauges{max-height:640px;transition:max-height .35s ease,opacity .25s ease}
.hint.playing .hgauges{max-height:0;opacity:0;overflow:hidden;pointer-events:none}
.hint.playing.playopen .hgauges{max-height:640px;opacity:1;overflow:visible;pointer-events:auto}
/* Anzeigenamen: Autor klein unter dem Sammlungsnamen */
.col .cau{grid-column:1/-1;margin-top:-2px;font-size:.7rem;opacity:.7;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lvau{font:600 .75rem var(--round);color:var(--muted)}
@media (max-width:640px){.col{min-width:180px;max-width:240px}}
.lvau{white-space:nowrap}
/* Tipp-Panel: Liste der gefundenen Lösungen (Auswahl) */
.hint .hsols{order:3;flex:1 1 100%;min-width:0}
.hint .hsols[hidden]{display:none}
.hsols .shead{font:700 .72rem var(--round);color:var(--muted);margin:2px 4px 4px}
.hsols .shead{display:block;width:100%;text-align:left;padding:0;border:0;background:none;text-decoration:none}
.hsols .shead:disabled{cursor:default;opacity:1}
.hsols .shead:not(:disabled):hover,.hsols .shead:focus-visible{color:var(--ink);background:none}
/* beim Abspielen eingeklappt (animiert), „▸ Lösungen (n)“ klappt sie wieder auf; Breite bleibt */
.hint .slist{transition:max-height .35s ease,opacity .25s ease}
.hint.playing .slist{max-height:0;opacity:0;pointer-events:none}
.hint.playing.solsopen .slist{max-height:142px;opacity:1;pointer-events:auto}
/* mit Lösungsliste: beim Abspielen gehört auch die Statistik samt Knopf zum eingeklappten Bereich („▸ Lösungen“ öffnet beides) */
.hint .hstat{max-height:3em;transition:max-height .35s ease,opacity .25s ease,visibility .35s}
.hint.playing.withsols:not(.solsopen) .hstat,.hint.playing.withsols:not(.solsopen) .hgauges{max-height:0;opacity:0;overflow:hidden;padding-top:0;padding-bottom:0;visibility:hidden;pointer-events:none}
.slist{display:grid;gap:3px;max-height:142px;overflow:auto;overscroll-behavior:contain}
.sol{display:grid;grid-template-columns:1fr auto auto;gap:8px;align-items:center;text-align:left;padding:4px 8px;border-radius:10px;cursor:pointer;
  border:1px solid var(--card-b);background:var(--card);color:var(--ink);font:600 .76rem var(--round);font-variant-numeric:tabular-nums;transition:background .2s,border-color .2s}
.sol span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sol small{color:var(--muted);font-weight:600}
.sol b{white-space:nowrap}
.sol:hover:not(:disabled),.sol:focus-visible{border-color:var(--accent)}
.sol.on{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.sol.off{opacity:.45;cursor:default}
.sol.flash{animation:solflash 1.5s ease-out}
@keyframes solflash{0%{background:var(--sun)}100%{background:var(--card)}}
/* Buchstabengruppen: bis zu 8; Desktop darf umbrechen, mobil eine waagerecht scrollende Zeile */
.cgroups{flex-wrap:wrap}
.cgroups button{flex:1 0 auto;min-width:2.4em;padding:.35em .45em}
@media (max-width:640px){.cgroups{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}.cgroups::-webkit-scrollbar{display:none}.cgroups button{flex:0 0 auto}}
@media (min-width:641px){.cgroups{display:grid;grid-template-columns:repeat(auto-fill,minmax(54px,1fr))}.cgroups button{min-width:0}}
.sol span{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.25}
.sol b[data-same="1"]::before{content:"= ";opacity:.45}
/* Schwierigkeit: 5 kleine Gehirne, d gefüllt (Farben je Stufe siehe unten) */
.brains{display:inline-flex;gap:1px;vertical-align:-.1em}
.brains svg{width:.85em;height:.8em}
.brains svg.off{fill:none;stroke:currentColor;stroke-width:1.1;opacity:.35}
.brains.tile{position:absolute;left:0;right:0;bottom:3px;justify-content:center;font-size:.6rem;pointer-events:none}
.brains.head{font-size:.8rem}
.brains.prev{font-size:.85rem}
.crange{white-space:nowrap}
.crange svg{width:.8em;height:.75em;vertical-align:-.05em}
.lvgrid button{padding-bottom:.55em}
.lvprev .pdet{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:4px 6px;max-width:260px;font:600 .74rem var(--round);color:var(--ink);text-align:center}
.lvprev .pdet:empty{display:none}
/* Schwierigkeit 1–5: Farbe je Stufe (dunkelgrün, grün, gelb, orange, rot); Gelb auf hellem Grund mit dunklem Goldrand; auf gelösten Kacheln mit weißem Rand */
:root{--dc1:#13803d;--dc2:#5cb82e;--dc3:#f2c200;--dc4:#f07a12;--dc5:#d92b2b;--dcl:#8a6500}
@media (prefers-color-scheme:dark){:root{--dc1:#2fb35f;--dc2:#9be05a;--dc3:#ffd83d;--dc4:#ff9a3d;--dc5:#ff5c5c;--dcl:transparent}}
.brains svg.on,.crange svg{stroke-width:.9}
svg.dc1{fill:var(--dc1)}svg.dc2{fill:var(--dc2)}svg.dc3{fill:var(--dc3);stroke:var(--dcl)}svg.dc4{fill:var(--dc4)}svg.dc5{fill:var(--dc5)}
.brains svg.off{stroke:currentColor;opacity:.28}
.brains.tile{gap:0;font-size:.56rem}
.crange{display:inline-flex;align-items:center;gap:1px}
.lvgrid button.solved .brains.tile svg.on{stroke:#fff;stroke-width:1.6;paint-order:stroke} /* gelöst: Stufenfarbe behalten, weißer Rand */
.lvgrid button.solved .brains.tile svg.off{stroke:#fff;opacity:.5}
/* Tipp-Panel kompakter: weniger Rand oben/unten. Zeilenabstand als Rand oben der Zeilen statt row-gap, damit eingeklappte
   Bereiche (Höhe 0) keine verwaisten Lücken hinterlassen – eingeklappt ist auch ihr Rand 0 (animiert);
   Kopf „▸ Lösungen“ eingeklappt ohne Rand unten */
.hint{padding-top:7px;padding-bottom:7px;row-gap:0}
.hint .hbar{margin-top:20px}
.hint .hbtns,.hint .hsols,.hint .hstat,.hint .hgauges{margin-top:8px}
.hint .hstat,.hint .hgauges{transition:max-height .35s ease,opacity .25s ease,visibility .35s,margin .35s ease}
.hint.playing:not(.playopen) .hgauges,.hint.playing.withsols:not(.solsopen) .hstat,.hint.playing.withsols:not(.solsopen) .hgauges{margin-top:0}
.hint .hsols .shead{transition:margin .35s ease}
.hint.playing.withsols:not(.solsopen) .hsols .shead{margin-bottom:0}
/* Erklär-Tooltips (data-tip): Maus, Tastaturfokus, langes Drücken */
.tipbox{position:fixed;z-index:50;max-width:min(300px,calc(100vw - 16px));padding:7px 10px;border-radius:10px;pointer-events:none;
  background:var(--ink);color:var(--bg2);font:600 .74rem/1.35 var(--round);box-shadow:0 6px 20px rgba(0,0,0,.25);text-align:left}
.tipbox[hidden]{display:none}
[data-tip]{cursor:help}
[data-tip]:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}
/* Automover: „Abbrechen“, solange eine Kiste ausgewählt ist */
.mvcancel{position:absolute;z-index:2;left:50%;top:10px;transform:translateX(-50%);padding:.45em 1em;font-size:.85rem;box-shadow:var(--shadow)}
.mvcancel[hidden]{display:none}
/* Hilfe: Farbmuster des Automovers (wie auf dem Spielfeld) */
.mvsw{display:inline-block;width:.9em;height:.9em;vertical-align:-.12em;border-radius:3px;border:1.5px solid rgba(10,20,40,.55);box-shadow:inset 0 0 0 1px rgba(255,255,255,.8)}
.mvsw.g{background:#3fc493}.mvsw.hg{background:#dcfbd3}.mvsw.r{background:#fbd9d6;border-color:rgba(10,20,40,.18);box-shadow:none}
/* Hilfe: Überschriften beider Spalten gleich; Mini-Kacheln (Kiste, Ziel, Kiste auf Ziel) im aktuellen Skin */
.hside > h3{margin:.9em 0 .1em;font:800 1.05rem var(--round)}
.hside > h3:first-child,.hmain > h3:first-child{margin-top:.2em}
canvas.rt{width:1.35em;height:1.35em;vertical-align:-.32em;border-radius:3px;box-shadow:0 0 0 1px rgba(0,0,0,.18)}
.hside .about{font-weight:500}