:root{
  color-scheme:light;
  --paper:#f6f5ef;
  --ink:#202820;
  --muted:#72776c;
  --line:#dcdfd3;
  --green:#d8f589;
  --dark:#171f19
}
*{
  box-sizing:border-box
}
html{
  scroll-behavior:smooth;
  scroll-padding-top:20px
}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:Arial,Helvetica,sans-serif;
  font-size:14px
}
button,a{
  -webkit-tap-highlight-color:transparent
}
button{
  font:inherit;
  cursor:pointer;
  touch-action:manipulation
}
a{
  color:inherit;
  text-decoration:none
}
button:focus-visible,a:focus-visible,summary:focus-visible,canvas:focus-visible{
  outline:3px solid #63872e;
  outline-offset:5px
}
button:disabled{
  cursor:default;
  opacity:.45
}
.site-header,main,footer{
  max-width:1180px;
  margin:auto
}
.site-header{
  height:98px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-bottom:1px solid var(--line)
}
.brand{
  font-weight:900;
  letter-spacing:-1px;
  font-size:22px;
  display:flex;
  gap:6px;
  align-items:center
}
.brand-light{
  font-weight:400
}
.brand-icon{
  background:var(--green);
  border:1px solid var(--ink);
  border-radius:8px;
  width:32px;
  height:32px;
  text-align:center;
  line-height:27px;
  margin-right:5px
}
nav{
  display:flex;
  align-items:center;
  gap:35px;
  font-size:13px
}
nav a span{
  margin-left:14px
}
.free-badge{
  font:10px monospace;
  letter-spacing:1px;
  display:flex;
  gap:8px;
  align-items:center
}
i{
  display:inline-block;
  width:6px;
  height:6px;
  border-radius:50%;
  background:#779d48
}
.intro{
  padding:42px 0 32px
}
.eyebrow{
  font:10px/1.5 monospace;
  letter-spacing:1.5px;
  font-weight:600
}
.intro>.eyebrow{
  display:flex;
  justify-content:space-between;
  color:var(--muted)
}
.intro-row{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:30px
}
h1{
  font-size:clamp(36px,4.3vw,58px);
  line-height:1.08;
  letter-spacing:-2.8px;
  margin:15px 0 0;
  font-weight:750
}
h1 em{
  font-family:Georgia,serif;
  font-weight:400
}
.intro-row>p{
  max-width:310px;
  color:var(--muted);
  font-size:14px;
  line-height:1.8;
  margin:0 0 3px
}
.arcade{
  display:grid;
  grid-template-columns:minmax(0,1fr) 310px;
  gap:26px
}
.game-panel{
  background:var(--dark);
  padding:0 18px;
  border-radius:15px;
  box-shadow:0 4px 0 #daddcf;
  color:#f0f4e9;
  overflow:hidden
}
.scorebar{
  height:86px;
  display:flex;
  align-items:center;
  gap:37px;
  padding:0 9px
}
.label{
  display:block;
  font:9px monospace;
  letter-spacing:1.2px;
  color:#a5ad9c;
  margin-bottom:5px
}
.scorebar strong{
  font:30px/1 monospace;
  letter-spacing:2px
}
.best-score strong{
  color:var(--green)
}
.best-score .label span{
  color:var(--green)
}
.live-tag{
  margin-left:auto;
  font:9px monospace;
  letter-spacing:1px;
  color:#b4bba9
}
.board-wrap{
  position:relative;
  background:#cbd9a6;
  border:1px solid #0e140e;
  border-radius:5px;
  overflow:hidden;
  aspect-ratio:1.48
}
canvas{
  display:block;
  width:100%;
  height:100%;
  touch-action:none;
  image-rendering:auto
}
.overlay{
  position:absolute;
  inset:0;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  background:#cbd9a6d9;
  color:#243524;
  backdrop-filter:blur(2px)
}
.overlay[hidden]{
  display:none
}
.pixel-snake{
  font-size:55px;
  line-height:1;
  transform:rotate(-12deg);
  color:#345630;
  margin-bottom:6px
}
.overlay .eyebrow{
  font-size:9px;
  margin:12px 0
}
.overlay h2{
  font-size:43px;
  letter-spacing:-2px;
  margin:0
}
.overlay>p:not(.eyebrow){
  line-height:1.7;
  font-size:13px;
  margin:14px 0 20px;
  color:#50613f
}
.primary{
  border:0;
  border-radius:6px;
  background:#253d26;
  color:#f3f8e9;
  padding:15px 26px;
  min-width:174px;
  font-weight:600;
  box-shadow:0 3px 0 #152b17
}
.primary:hover{
  background:#355638
}
.primary span{
  margin-left:30px
}
.start-hint{
  font:9px monospace;
  color:#5d6d4b;
  margin-top:14px
}
.board-footer{
  display:flex;
  align-items:center;
  gap:20px;
  height:55px;
  font:9px monospace;
  letter-spacing:.5px
}
.board-footer>span{
  margin-right:auto;
  display:flex;
  align-items:center;
  gap:7px
}
.board-footer button{
  border:0;
  background:none;
  color:#ced6c7;
  font-size:11px;
  padding:8px 0;
  min-width:44px;
  min-height:44px
}
.sidebar{
  display:flex;
  flex-direction:column
}
.settings{
  border:1px solid var(--line);
  border-radius:12px;
  padding:23px
}
.settings>.eyebrow{
  color:var(--muted);
  margin:0 0 13px
}
.settings h2{
  font-size:27px;
  letter-spacing:-1px;
  margin:0 0 9px
}
.muted{
  color:var(--muted);
  font-size:12px;
  margin:0 0 22px
}
.difficulty{
  display:grid;
  gap:9px
}
.difficulty button{
  display:flex;
  align-items:center;
  gap:13px;
  width:100%;
  text-align:left;
  padding:14px 12px;
  background:transparent;
  border:1px solid var(--line);
  border-radius:6px;
  min-height:66px
}
.difficulty .selected{
  border-color:#6e853f;
  background:#e7edda
}
.difficulty button:not(:disabled):hover{
  background:#e7edda
}
.mode-icon{
  font-size:24px;
  width:21px;
  text-align:center
}
.difficulty strong{
  display:block;
  font-size:13px;
  margin-bottom:5px
}
.difficulty small{
  font-size:10px;
  color:var(--muted)
}
.mode-number{
  margin-left:auto;
  color:#7c856d;
  font:10px monospace
}
.setting-note{
  font:9px/1.6 monospace;
  color:var(--muted);
  margin:15px 0 0
}
.controls{
  padding:20px 6px 7px
}
.controls>.eyebrow{
  margin:0 0 16px;
  color:var(--muted)
}
.control-row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:11px;
  margin:11px 0
}
.keys,kbd{
  font:10px monospace;
  letter-spacing:3px;
  background:#eeefe7;
  border:1px solid #dce0d0;
  border-bottom-width:2px;
  border-radius:4px;
  padding:5px 7px
}
.controls>p:last-child{
  color:var(--muted);
  font-size:10px;
  line-height:1.8;
  max-width:250px
}
.tip{
  display:flex;
  align-items:center;
  gap:13px;
  border-top:1px solid var(--line);
  margin-top:auto;
  padding:8px 6px 0
}
.tip>span{
  font-size:29px;
  color:#78934c
}
.tip p{
  font-size:11px;
  line-height:1.7;
  color:var(--muted)
}
.tip strong{
  color:var(--ink);
  font-weight:500
}
.under-game{
  display:flex;
  justify-content:space-between;
  color:var(--muted);
  font:9px/1.7 monospace;
  letter-spacing:.5px;
  margin:20px 0 48px
}
.how-to{
  border-top:1px solid var(--line);
  padding:38px 0 40px;
  display:grid;
  grid-template-columns:1.3fr 1fr 1fr 1fr;
  gap:38px
}
.how-to .eyebrow{
  font-size:8px;
  color:var(--muted);
  margin:0 0 15px
}
.how-to h2{
  font-size:30px;
  letter-spacing:-1px;
  margin:0 0 15px;
  line-height:1.12
}
.how-to p{
  font-size:12px;
  color:var(--muted);
  line-height:1.8
}
.step{
  display:block;
  font:12px monospace;
  color:#809163;
  margin:5px 0 32px
}
.how-to h3{
  font-size:14px;
  margin:0
}
.faq{
  border-top:1px solid var(--line);
  padding:20px 0 40px
}
.faq h2{
  font-size:23px;
  letter-spacing:-.6px
}
.faq details{
  border-bottom:1px solid var(--line);
  padding:16px 0
}
.faq summary{
  cursor:pointer;
  font-weight:600;
  font-size:13px
}
.faq p{
  max-width:750px;
  color:var(--muted);
  line-height:1.8
}
footer{
  padding:25px 0 35px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  align-items:center;
  color:var(--muted);
  font-size:11px
}
footer .brand{
  font-size:15px;
  color:var(--ink)
}
.touch-controls{
  display:none
}
.sr-only,.skip{
  position:absolute;
  width:1px;
  height:1px;
  overflow:hidden;
  clip-path:inset(50%)
}
.skip:focus{
  width:auto;
  height:auto;
  clip-path:none;
  left:15px;
  top:10px;
  background:white;
  padding:10px;
  z-index:10
}
.noscript{
  padding:20px;
  background:var(--green)
}
@media(min-width:1400px){
  .site-header,main,footer{
    max-width:1220px
  }
}
@media(max-width:1250px){
  .site-header,main,footer{
    margin-left:5%;
    margin-right:5%
  }
  .arcade{
    grid-template-columns:minmax(0,1fr) 285px;
    gap:20px
  }
  .settings{
    padding:20px
  }
  .board-wrap{
    aspect-ratio:1.2
  }
}
@media(max-width:850px){
  .arcade{
    grid-template-columns:minmax(0,1fr) 255px;
    gap:16px
  }
  .intro-row>p{
    max-width:240px;
    font-size:12px
  }
  .board-wrap{
    aspect-ratio:1
  }
  .live-tag{
    display:none
  }
  .settings{
    padding:16px
  }
  .how-to{
    grid-template-columns:1fr 1fr;
    gap:25px
  }
  .tip{
    display:none
  }
  .overlay h2{
    font-size:35px
  }
}
@media(max-width:650px){
  .site-header{
    height:75px
  }
  .brand{
    font-size:18px
  }
  .brand-icon{
    width:27px;
    height:27px;
    line-height:22px
  }
  nav{
    gap:0
  }
  nav a{
    font-size:11px
  }
  .free-badge{
    display:none
  }
  .intro{
    padding:25px 0
  }
  .intro>.eyebrow{
    font-size:8px
  }
  .intro>.eyebrow span:last-child{
    display:none
  }
  .intro-row{
    display:block
  }
  h1{
    font-size:39px;
    letter-spacing:-1.8px
  }
  .intro-row>p{
    margin:18px 0 0;
    max-width:none;
    font-size:12px
  }
  .arcade{
    display:flex;
    flex-direction:column;
    gap:16px
  }
  .game-panel{
    padding:0 12px;
    border-radius:12px
  }
  .scorebar{
    height:72px;
    gap:30px
  }
  .scorebar strong{
    font-size:27px
  }
  .board-wrap{
    aspect-ratio:1
  }
  .board-footer{
    gap:15px;
    font-size:8px
  }
  .overlay h2{
    font-size:38px
  }
  .sidebar{
    order:2
  }
  .settings{
    padding:18px
  }
  .settings h2{
    font-size:23px
  }
  .difficulty{
    grid-template-columns:repeat(3,1fr);
    gap:7px
  }
  .difficulty button{
    padding:13px 8px;
    justify-content:center
  }
  .difficulty small,.mode-number{
    display:none
  }
  .difficulty strong{
    margin:0;
    font-size:12px
  }
  .mode-icon{
    font-size:19px;
    width:17px
  }
  .muted{
    margin-bottom:15px
  }
  .controls{
    display:none
  }
  .under-game{
    display:block;
    margin-bottom:30px;
    font-size:8px
  }
  .under-game>span{
    display:block;
    margin:7px 0
  }
  .how-to{
    padding-top:25px;
    gap:20px
  }
  .how-to h2{
    font-size:27px
  }
  .step{
    margin-bottom:20px
  }
  .how-to p{
    font-size:11px
  }
  footer{
    flex-wrap:wrap;
    gap:22px
  }
  footer>span{
    display:none
  }
}
@media(prefers-reduced-motion:reduce){
  html{
    scroll-behavior:auto
  }
}
@media(max-width:380px){
  .overlay .pixel-snake{
    width:45px;
    height:32px;
    margin-bottom:0;
    flex-shrink:0
  }
  .overlay h2{
    font-size:28px;
    letter-spacing:-1px
  }
  .overlay .eyebrow{
    font-size:7px;
    letter-spacing:1px;
    margin:8px 0
  }
  .overlay>p:not(.eyebrow){
    font-size:11px;
    margin:8px 12px 12px
  }
  .overlay .primary{
    padding:12px 18px
  }
  .overlay .start-hint{
    margin-top:9px;
    font-size:8px
  }
}

@media(max-width:650px), (any-pointer:coarse){
  .touch-controls{
    order:1;
    grid-column:1 / -1;
    display:grid;
    grid-template-columns:repeat(3,56px);
    grid-template-areas:". up ." "left down right";
    justify-content:center;
    gap:10px
  }
  .touch-controls button{
    flex:0 0 56px;
    min-width:56px;
    min-height:56px;
    border:1px solid #bdc6ac;
    border-bottom-width:3px;
    border-radius:8px;
    background:#e8eddc;
    font-size:23px;
    user-select:none;
    -webkit-user-select:none;
    touch-action:manipulation
  }
  .touch-controls button:active{
    background:#d8e3c4;
    border-bottom-width:1px
  }
}

.touch-controls [data-direction="up"]{grid-area:up}
.touch-controls [data-direction="left"]{grid-area:left}
.touch-controls [data-direction="down"]{grid-area:down}
.touch-controls [data-direction="right"]{grid-area:right}