:root{--bg0:#1b1244;--bg1:#0d0a26;--ink:#241447;--teal:#19d3bd;--teal2:#0b7a70;--tealL:#8ff3e4;--vio:#a07bff;--vio2:#5a34b8;--vioL:#d3c2ff;--cheese:#ffd75e;--cheese2:#f2a91c;--txt:#f4f0ff;--dim:#b9b0e0;--card:#1f1650;--edge:#4a3a9a}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;background:radial-gradient(120% 90% at 50% 0%,#2a1a6e 0%,var(--bg1) 70%);color:var(--txt);font:16px/1.35 ui-rounded,"Arial Rounded MT Bold","Nunito","Segoe UI",system-ui,sans-serif;overscroll-behavior:none;touch-action:manipulation}
body{overflow:hidden}
#app{position:fixed;inset:0;display:block;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}
[hidden]{display:none!important}
.screen{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;overflow-y:auto;overflow-x:hidden;padding:0 14px 18px}
.screen>*{width:100%;max-width:520px}
/* ---------- buttons ---------- */
.btn{display:flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:10px 16px;border-radius:14px;border:2px solid var(--edge);background:linear-gradient(#32237d,#27195f);color:var(--txt);font:800 16px/1.15 inherit;font-family:inherit;text-decoration:none;cursor:pointer;box-shadow:0 3px 0 #150d3d;transition:transform .08s,filter .15s;user-select:none}
.btn:hover{filter:brightness(1.12)}.btn:active{transform:translateY(2px);box-shadow:0 1px 0 #150d3d}
.btn:focus-visible,.ibtn:focus-visible,.cbtn:focus-visible,.lv:focus-visible{outline:3px solid #ffd84a;outline-offset:2px}
.btn.primary{background:linear-gradient(#25e2c9,#12a996);border-color:#b8fff3;color:#04201c;box-shadow:0 3px 0 #0a5f55}
.btn.accent{background:linear-gradient(#b697ff,#7c52e6);border-color:#e6dbff;color:#150a3a;box-shadow:0 3px 0 #402292}
.btn.ghost{background:transparent;box-shadow:none;border-color:#4a3a9a;color:var(--dim)}
.btn.big{min-height:56px;font-size:18px}.btn.small{min-height:44px;min-width:44px;padding:6px 12px;font-size:15px}
.btn[aria-pressed="true"]{border-color:var(--tealL)}
.btn:disabled{opacity:.5;filter:grayscale(.5);cursor:default}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.stack{display:flex;flex-direction:column;gap:12px}
.stack.foot{margin-top:auto;padding-top:14px;position:sticky;bottom:0;background:linear-gradient(transparent,var(--bg1) 30%);padding-bottom:6px}
.lead{margin:0;color:var(--dim);text-align:center}
.lead.padR{text-align:left;padding-right:58px;margin-bottom:22px;min-height:66px}
.fine{margin:4px 0 0;color:#8b82c0;font-size:13px;text-align:center}
.msgline{margin:0;min-height:1.3em;color:var(--dim);text-align:center;font-size:15px}
.or{display:flex;align-items:center;gap:10px;color:var(--dim);font-size:14px}.or:before,.or:after{content:"";flex:1;height:1px;background:#3b2d86}
/* ---------- menu ---------- */
#menu{padding-top:6px}
.hero{padding:6px 58px 6px 0;text-align:left;min-height:150px}
.hero canvas{display:block;width:min(100%,300px);height:auto;aspect-ratio:300/86}
.hero h1{margin:2px 0 0;font:900 34px/1 inherit;font-family:inherit;letter-spacing:.5px;text-shadow:0 3px 0 #150d3d}
.hero h1 span:first-child{color:var(--cheese)}.hero h1 span:last-child{color:var(--tealL)}
.tag{margin:6px 0 0;color:var(--vioL);font-weight:700;font-size:15px}
#menu .stack{margin-top:10px}
.head{display:flex;align-items:center;gap:10px;padding:10px 54px 10px 0;position:sticky;top:0;z-index:3;background:linear-gradient(var(--bg1) 70%,transparent)}
.head h2{margin:0;font-size:20px;flex:1}
/* levels */
.levels{display:flex;flex-direction:column;gap:9px;margin:2px 0 8px}
.lv{display:grid;grid-template-columns:44px 1fr;gap:10px;align-items:center;text-align:left;width:100%;padding:10px 12px;border-radius:14px;border:2px solid var(--edge);background:var(--card);color:var(--txt);font:inherit;cursor:pointer;min-height:64px}
.lv img{width:44px;height:44px}
.lv b{display:block;font-size:17px}.lv b em{font-style:normal;color:var(--vioL);font-weight:700;font-size:14px;margin-left:6px}
.lv small{display:block;color:var(--dim);font-size:13.5px;line-height:1.3}
.lv .bars{display:inline-flex;gap:3px;margin-left:8px;vertical-align:middle}.lv .bars i{width:8px;height:12px;border-radius:2px;background:#3b2d86}.lv .bars i.on{background:var(--cheese)}
.lv[aria-checked="true"]{border-color:var(--teal);background:#193a63;box-shadow:0 0 0 2px rgba(25,211,189,.35)}
/* online */
.codeIn{display:flex;flex-direction:column;gap:6px;color:var(--dim);font-size:14px}
.codeIn input{font:900 34px/1 inherit;font-family:ui-monospace,Consolas,monospace;letter-spacing:.3em;text-align:center;text-transform:uppercase;min-height:60px;border-radius:14px;border:2px solid var(--edge);background:#120b33;color:var(--txt);padding:6px 6px 6px calc(6px + .3em)}
.codeIn input:focus{outline:3px solid #ffd84a;outline-offset:2px}
/* ---------- game ---------- */
/* Portrait: top bar, score chips, a tall board, one row of four big buttons, a message line. */
#game{padding:0 max(8px,calc((100vw - 760px)/2));display:grid;grid-template-columns:56px 1fr 1fr 56px;grid-template-rows:auto auto minmax(0,1fr) auto 44px;column-gap:8px;align-items:stretch}
#game>*,#lcol,#mid,#rcol,#poleBtns,#pushBtns{max-width:none}
#lcol,#mid,#rcol,#poleBtns,#pushBtns{display:contents}
#top{grid-area:1/1/2/5}#scores{grid-area:2/1/3/5}#stage{grid-area:3/1/4/5}
#bPrev{grid-area:4/1}#bUp{grid-area:4/2}#bDown{grid-area:4/3}#bNext{grid-area:4/4}#msg{grid-area:5/1/6/5}
#top{display:flex;align-items:center;gap:8px;padding:8px 58px 4px 2px;min-height:56px}
.ibtn{flex:none;width:44px;height:44px;border-radius:12px;border:2px solid var(--edge);background:var(--card);color:var(--txt);font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0;box-shadow:0 2px 0 #150d3d}
.ibtn .bars{width:20px;height:14px;background:linear-gradient(var(--txt) 0 2.5px,transparent 2.5px 5.75px,var(--txt) 5.75px 8.25px,transparent 8.25px 11.5px,var(--txt) 11.5px 14px);border-radius:2px}
#turnBanner{flex:1;min-width:0;display:flex;align-items:center;gap:8px;font:900 17px/1.1 inherit;font-family:inherit;overflow:hidden}
#turnTxt{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#turnDot{flex:none;width:14px;height:14px;border-radius:50%;background:var(--teal);box-shadow:0 0 10px var(--teal)}
#turnBanner.t1 #turnDot{background:var(--vio);box-shadow:0 0 10px var(--vio)}
#turnBanner.t0 #turnTxt{color:var(--tealL)}#turnBanner.t1 #turnTxt{color:var(--vioL)}
#scores{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px;padding:0 2px 6px;min-width:0}
.chip{display:flex;align-items:center;gap:5px;padding:3px 9px;border-radius:12px;background:var(--card);border:2px solid var(--edge);min-height:40px;font-size:14px}
.chip b{font:900 22px/1 inherit;font-family:inherit}.chip small{color:var(--dim);font-size:11.5px;line-height:1}
.chip .nm{font-weight:800;font-size:13px;max-width:70px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chip.t0{border-color:var(--teal2)}.chip.t0 b,.chip.t0 .nm{color:var(--tealL)}.chip.t1{border-color:var(--vio2)}.chip.t1 b,.chip.t1 .nm{color:var(--vioL)}
.chip.t0.turn{border-color:var(--teal);box-shadow:0 0 0 2px rgba(25,211,189,.4)}.chip.t1.turn{border-color:var(--vio);box-shadow:0 0 0 2px rgba(160,123,255,.45)}
.chip.end{order:5;flex:1 1 100%;justify-content:center;text-align:center;border-color:#c98b13;background:#3b2a07;color:#ffe9a8;font-weight:800;font-size:13px;line-height:1.15;padding:2px 8px;min-height:30px}
#stage{position:relative;min-height:0}
#board{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;cursor:pointer}
.cbtn{min-height:62px;margin-top:6px;border-radius:14px;border:2px solid var(--edge);background:linear-gradient(#32237d,#27195f);color:var(--txt);font:900 20px/1 inherit;font-family:inherit;cursor:pointer;box-shadow:0 3px 0 #150d3d;display:flex;align-items:center;justify-content:center;gap:6px;padding:0 6px}
.cbtn span{font-size:13px;font-weight:800;white-space:nowrap}
.cbtn.push{background:linear-gradient(#25e2c9,#12a996);border-color:#b8fff3;color:#04201c;box-shadow:0 3px 0 #0a5f55}
body.v1 .cbtn.push{background:linear-gradient(#b697ff,#7c52e6);border-color:#e6dbff;color:#150a3a;box-shadow:0 3px 0 #402292}
.cbtn:active:not(:disabled){transform:translateY(2px);box-shadow:0 1px 0 #150d3d}
.cbtn:disabled{opacity:.4;filter:grayscale(.6)}
#msg{margin:0;padding:3px 6px 6px;height:44px;overflow:hidden;font-size:14px;line-height:1.25;display:flex;align-items:center;justify-content:center;text-align:center}
#turnTxt{min-width:0}
/* Wide windows (phone on its side, desktop): board gets the full height; thumb buttons sit in side columns. */
@media(max-aspect-ratio:6/5){.ov{padding:56px 12px 12px!important}}
@media(min-aspect-ratio:6/5){
  #game{display:flex;flex-direction:row;gap:10px;padding:0 10px}
  #lcol,#mid,#rcol{display:flex;flex-direction:column;min-width:0;min-height:0;padding-top:0}
  #lcol{flex:0 0 clamp(140px,15vw,196px);padding:8px 0;gap:8px}
  #rcol{flex:0 0 clamp(108px,13vw,176px);padding:58px 0 8px}
  #mid{flex:1 1 auto}
  #top,#scores,#stage,#bPrev,#bUp,#bDown,#bNext,#msg{grid-area:auto}
  #bPrev,#bNext,#bUp,#bDown{grid-area:auto}
  #poleBtns{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px;margin-top:auto}
  #pushBtns{display:flex;flex-direction:column;justify-content:center;gap:10px;flex:1;min-height:0}
  .cbtn{margin:0;min-height:54px}#pushBtns .cbtn{flex:1 1 0;max-height:230px;font-size:22px}#pushBtns .cbtn span{font-size:14px}#poleBtns .cbtn{min-height:60px;font-size:24px}
  #top{padding:0;min-height:0;flex-wrap:wrap;gap:6px}
  .ibtn{width:40px;height:40px;font-size:18px}
  #turnBanner{flex:1 1 100%;min-height:34px;font-size:15px;align-items:center}
  #turnTxt{white-space:normal;overflow:visible;line-height:1.1}
  #scores{display:flex;flex-direction:column;flex-wrap:nowrap;align-items:stretch;justify-content:flex-start;padding:0;gap:6px}
  .chip{min-height:40px;padding:2px 8px;gap:4px;justify-content:flex-start}.chip .nm{flex:1;min-width:0;max-width:none;font-size:12.5px}.chip b{font-size:20px}
  .chip.end{order:5;flex:none;justify-content:center;font-size:12px;min-height:0;padding:4px 6px}
  #msg{grid-area:auto;height:32px;padding:0 4px 2px;font-size:12.5px;line-height:1.15;flex:none}
  #stage{flex:1 1 auto}
}
@media(min-aspect-ratio:6/5) and (min-height:640px){#msg{height:40px;font-size:15px}.ibtn{width:44px;height:44px}}
/* ---------- overlays ---------- */
.ov{position:fixed;inset:0;z-index:50;padding-right:58px!important;background:rgba(8,5,26,.78);display:flex;align-items:center;justify-content:center;padding:12px;overflow-y:auto}
.ov.solid{background:radial-gradient(100% 80% at 50% 20%,#34208a,#0d0a26)}
.card{width:100%;max-width:400px;background:var(--card);border:2px solid var(--edge);border-radius:20px;padding:18px 16px;box-shadow:0 10px 40px rgba(0,0,0,.6);max-height:100%;overflow-y:auto;display:flex;flex-direction:column;gap:12px}
.card.center{align-items:center;text-align:center}.card.center>*{max-width:100%}
.card h2{margin:0;font-size:24px}.card h3{margin:0;font-size:18px;color:var(--cheese)}.card p{margin:0}
.card.how{align-items:stretch}#howCv{width:100%;height:auto;aspect-ratio:300/170;background:#0d0a26;border-radius:14px;border:2px solid #3b2d86;display:block}
#howP{color:var(--dim);min-height:5.4em}
.dots{display:flex;gap:7px;justify-content:center}.dots i{width:9px;height:9px;border-radius:50%;background:#3b2d86}.dots i.on{background:var(--cheese)}
.card .btn{width:100%}.card .row2 .btn{width:auto}
.card.pass img,#overIc{margin:0 auto}
.bigcode{font:900 54px/1 ui-monospace,Consolas,monospace;letter-spacing:.2em;padding:10px 6px 10px calc(6px + .2em);border-radius:16px;background:#120b33;border:2px dashed var(--tealL);color:var(--tealL)}
.coin{width:132px;height:132px;position:relative;perspective:700px;transform-style:preserve-3d;margin:6px auto}
.coin span{position:absolute;inset:0;border-radius:50%;backface-visibility:hidden;-webkit-backface-visibility:hidden;background-size:100% 100%;background-repeat:no-repeat;filter:drop-shadow(0 6px 8px rgba(0,0,0,.45))}
.coin .f1{transform:rotateY(180deg)}
.coin.spin{animation:flip 1.3s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes flip{from{transform:rotateY(0) translateY(0)}40%{transform:rotateY(900deg) translateY(-34px)}to{transform:rotateY(var(--endrot,1800deg)) translateY(0)}}
#a2hs{position:fixed;left:10px;right:10px;bottom:calc(10px + env(safe-area-inset-bottom));z-index:80;background:var(--card);border:2px solid var(--tealL);border-radius:14px;padding:10px 12px;display:flex;gap:10px;align-items:center;font-size:14px}
#a2hs p{margin:0;flex:1}
#toast{position:fixed;left:50%;bottom:calc(86px + env(safe-area-inset-bottom));transform:translate(-50%,20px);z-index:90;background:#110a33;border:2px solid var(--tealL);color:#fff;padding:9px 14px;border-radius:12px;font-weight:800;font-size:14.5px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;max-width:92vw;text-align:center}
#toast.show{opacity:1;transform:translate(-50%,0)}
@media(min-width:760px){
  .lead.padR{text-align:center;padding-right:0;min-height:0;margin-bottom:6px}.ov{padding-right:12px!important}
  .hero{padding-right:0;text-align:center;min-height:0;padding-top:14px}.hero canvas{margin:0 auto}.hero h1{font-size:44px}
  .head{padding-right:60px}
}
@media(max-height:560px) and (orientation:landscape){.hero{min-height:0}.hero canvas{display:none}}
@media(prefers-reduced-motion:reduce){.coin.spin{animation-duration:.01s}}
.scoreline{margin:8px 0 2px;text-align:center;color:var(--dim);line-height:1.35}
.scoreline b{font-size:1.25em;color:#ffe14d}
.scoreline small{font-size:.85em;display:block;margin-top:2px}
@media(max-height:470px) and (min-aspect-ratio:6/5){
  #ovPause .stack{display:grid;grid-template-columns:1fr 1fr;gap:8px}#ovPause .row2{display:contents}#ovPause #pResume{grid-column:1/-1}
  #ovPause .btn{min-height:44px;padding:6px 10px;font-size:15px}#ovPause .card{padding:12px 14px;gap:8px;max-width:560px}#ovPause h2{font-size:20px}
}
/* short windows (phone on its side): tighter cards so every button is on screen */
@media(max-height:520px){.card{padding:10px 14px;gap:8px}.card.center img{width:44px;height:44px}.card h2{font-size:20px}.card .btn.big{min-height:46px}.coin{width:96px;height:96px;margin:0 auto}#howCv{max-height:120px;width:auto;margin:0 auto}#howP{min-height:0}.bigcode{font-size:40px}}