:root{color-scheme:dark;--gold:#ffc66b;--ink:#080d12}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:#080a0d;color:#fff;font-family:Arial,Helvetica,sans-serif}body{display:grid;place-items:center;min-height:100dvh}.stage{width:min(100vw,177.7778vh);aspect-ratio:16/9;position:relative;overflow:hidden;background:#1c1510}.backdrop{position:absolute;inset:0;background:url('assets/workshop.png') center center/cover no-repeat}.shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,8,12,.40),rgba(3,7,10,.42) 30%,rgba(3,7,10,.52) 70%,rgba(4,8,12,.40)),linear-gradient(0deg,rgba(0,0,0,.40),transparent 45%)}.interface{position:absolute;inset:4% 5%;display:flex;flex-direction:column;align-items:center;justify-content:space-between}header{text-align:center;flex-shrink:0}.eyebrow{letter-spacing:.35em;font-weight:900;font-size:clamp(7px,1vw,15px);color:#d8c3a4}h1{font-size:clamp(20px,4.5vw,72px);margin:.1em 0 0;letter-spacing:.065em;font-weight:1000;line-height:1;text-shadow:0 4px 0 #4d260d,0 7px 18px #000;color:#ffcc7a}h1 span{color:#fff}.subtitle{letter-spacing:.27em;font-size:clamp(8px,1.05vw,16px);margin-top:.55em;font-weight:700}.play-area{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2.2fr) minmax(0,1fr);align-items:center;width:100%;max-height:76%;gap:2.5%}.player{border:1px solid #ffffff3c;background:#10171b;border-radius:14px;text-align:center;padding:8% 5%;box-shadow:0 10px 25px #0007;opacity:1;transition:border .2s,transform .2s}.player.active{border-color:var(--gold);box-shadow:0 0 24px #ffbf5060}.name{font-size:clamp(8px,1.1vw,17px);letter-spacing:.12em;font-weight:bold;color:#e6c99e}.sample{width:55%;aspect-ratio:1;margin:4% auto;position:relative}.sample>img{width:100%;height:100%;object-fit:contain}.sample.cross img{position:absolute;inset:0;transform:rotate(45deg) scale(1.15)}.sample.cross img+img{transform:rotate(-45deg) scale(1.15)}.player strong{display:block;font-size:clamp(10px,1.5vw,22px);letter-spacing:.08em}.score{font-size:clamp(19px,3.3vw,48px);font-weight:900;color:var(--gold);margin-top:3%}.center{min-width:0;display:flex;flex-direction:column;align-items:center;gap:clamp(4px,.8vh,12px)}.status{background:#0d1216e8;border:1px solid #e8b96c75;border-radius:100px;padding:.45em 1.6em;font-weight:900;letter-spacing:.12em;font-size:clamp(9px,1.2vw,18px);text-align:center;white-space:nowrap}.board{width:min(31vw,48vh);height:min(31vw,48vh);max-width:100%;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:1.5%;padding:1.6%;border:3px solid #b4a18b;border-radius:12px;background:linear-gradient(135deg,#353e43,#10171b);box-shadow:0 9px 30px #000d,inset 0 0 0 3px #101010}.cell{border:1px solid #c7b7a479;background:linear-gradient(150deg,#555e65,#1b252c);border-radius:7px;position:relative;cursor:pointer;min-width:0;min-height:0;padding:5%;display:flex;align-items:center;justify-content:center}.cell:hover:not(:disabled){background:#9b784b70}.cell:disabled{cursor:default}.cell.win{background:#c28b2b9c;border-color:#ffe8a3;box-shadow:inset 0 0 20px #ffd07570}.piece{width:91%;height:91%;position:relative;display:block;filter:drop-shadow(0 4px 3px #000b)}.piece.nut img{width:100%;height:100%;object-fit:contain}.piece.cross img{position:absolute;width:100%;height:100%;inset:0;object-fit:contain;transform:rotate(45deg) scale(1.1)}.piece.cross img+img{transform:rotate(-45deg) scale(1.1)}.controls{display:flex;gap:.55vw;flex-wrap:wrap;justify-content:center}.controls button{border:1px solid #e9bb6a;background:linear-gradient(#e8b967,#a36524);color:#14110d;border-radius:5px;padding:.65em .85em;font-size:clamp(8px,.82vw,14px);font-weight:900;cursor:pointer;letter-spacing:.06em}.controls button.secondary{background:#171f25dc;color:#f6e0b9}.controls button:hover{filter:brightness(1.2)}footer{width:100%;display:flex;justify-content:space-between;font-size:clamp(7px,.75vw,12px);letter-spacing:.12em;color:#e1d5c5}@media(max-aspect-ratio:1/1){.stage{width:100vw}.interface{inset:3% 3%}.play-area{gap:1%}.board{width:35vw;height:35vw}.player{padding:5% 2%}h1{font-size:5vw}.controls button{font-size:1.1vw}}

/* v0.5: independent starting-player selector */
.starter-settings{display:flex;align-items:center;justify-content:center;gap:.6vw;background:#10171bf5;border:1px solid #c6a16c;border-radius:7px;padding:.38em .7em;max-width:100%}.starter-settings label{color:#e6c99e;font-size:clamp(8px,.78vw,13px);font-weight:900;letter-spacing:.08em;white-space:nowrap}.starter-settings select{max-width:100%;min-width:0;border:1px solid #d2ae73;background:#263039;color:#fff3df;border-radius:4px;padding:.4em;font-weight:bold;font-size:clamp(8px,.82vw,13px);cursor:pointer}.starter-settings select:focus-visible{outline:2px solid #ffc66b;outline-offset:2px}

/* v0.6: independently editable music controls */
.music-settings{display:flex;align-items:center;justify-content:center;gap:.55vw;background:#10171bf5;border:1px solid #c6a16c;border-radius:7px;padding:.3em .65em;max-width:100%;color:#e6c99e;font-size:clamp(8px,.78vw,13px);font-weight:900;letter-spacing:.05em}
.music-settings button{background:#263039;color:#fff3df;border:1px solid #d2ae73;border-radius:4px;padding:.4em .7em;font-size:inherit;font-weight:900;cursor:pointer;white-space:nowrap}.music-settings button[aria-pressed="true"]{border-color:#ffc66b;background:#5b462a}.music-settings input{width:clamp(45px,7vw,125px);accent-color:#ffc66b;cursor:pointer}.music-settings span{min-width:3ch;text-align:right}.music-settings button:focus-visible,.music-settings input:focus-visible{outline:2px solid #ffc66b;outline-offset:2px}

/* v0.11 — mobile/tablet adaptation; original artwork and 16:9 desktop composition preserved. */
html,body{overscroll-behavior:none}button,select,input{touch-action:manipulation}button{ -webkit-tap-highlight-color:transparent}button:focus-visible,select:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.rotate-hint{display:none}
@media (pointer:coarse) and (orientation:portrait) and (max-width:650px){
  body{display:block;overflow:hidden}.stage{display:none}
  .rotate-hint{display:flex;position:fixed;inset:0;z-index:5;align-items:center;justify-content:center;flex-direction:column;text-align:center;background:#10171b;color:#ffd18a;padding:24px}
  .rotate-hint>div{font-size:70px;line-height:1}.rotate-hint strong{font-size:24px;letter-spacing:.1em}.rotate-hint p{color:#fff2dd;font-size:15px}
}
@media (pointer:coarse) and (orientation:landscape) and (max-height:650px){
 html,body{height:100%;overflow:hidden}
 body{display:block}
 .stage{width:100vw;height:100dvh;aspect-ratio:auto}
 .interface{inset:2% 3%;justify-content:space-between}
 header{height:12%;display:flex;flex-direction:column;justify-content:center}
 .eyebrow{font-size:clamp(7px,1.4vh,11px);letter-spacing:.22em}
 h1{font-size:clamp(17px,4.5vh,35px);margin:0}
 .subtitle{font-size:clamp(7px,1.2vh,10px);margin-top:0}
 .play-area{flex:1;min-height:0;max-height:83%;grid-template-columns:minmax(0,1fr) minmax(0,2.2fr) minmax(0,1fr);gap:1.5%;align-items:center}
 .player{padding:5% 3%;border-radius:9px}
 .name{font-size:clamp(8px,1.7vh,13px)}
 .sample{width:min(55%,16vh);margin:2% auto}
 .player strong{font-size:clamp(9px,2vh,15px)}
 .score{font-size:clamp(17px,4vh,30px);margin-top:0}
 .center{height:100%;justify-content:center;gap:clamp(2px,.7vh,6px)}
 .status{font-size:clamp(8px,1.9vh,13px);padding:.25em .9em}
 .board{width:min(40vw,48vh);height:min(40vw,48vh);flex:0 1 auto;min-height:0;border-width:2px;padding:1%;gap:1.2%}
 .cell{border-radius:4px;padding:3%}
 .starter-settings,.music-settings{padding:2px 5px;gap:5px;border-radius:4px;max-width:100%}
 .starter-settings label,.music-settings{font-size:clamp(7px,1.5vh,11px)}
 .starter-settings select{font-size:clamp(8px,1.5vh,11px);padding:3px;max-width:65%}
 .music-settings button{padding:3px 5px}
 .music-settings input{width:clamp(45px,7vw,80px)}
 .controls{gap:4px;flex-wrap:nowrap;width:100%}
 .controls button{font-size:clamp(7px,1.5vh,11px);padding:5px 6px;min-height:25px;white-space:nowrap}
 footer{font-size:clamp(6px,1.2vh,10px);height:3%;align-items:center}
}
@media (pointer:coarse) and (orientation:landscape) and (max-height:390px){
 .interface{inset:1% 3%}.play-area{max-height:86%}.board{width:min(35vw,43vh);height:min(35vw,43vh)}
 .center{gap:2px}.subtitle{display:none}.status{padding:2px 9px}
 .starter-settings,.music-settings{padding:1px 4px}.controls button{padding:3px 5px}
}
@media (pointer:coarse) and (orientation:portrait) and (min-width:651px){
 body{display:block}.stage{width:100vw;aspect-ratio:16/10;margin:auto}
 .interface{inset:3% 4%}.board{width:min(35vw,32vh);height:min(35vw,32vh)}
}

/* v0.12 touchscreen: controls below playing area, large board */
.interface{justify-content:space-between}
.play-area{flex:1;min-height:0;max-height:none;grid-template-columns:minmax(0,1fr) minmax(0,2.7fr) minmax(0,1fr);gap:1.5%}
.center{height:100%;justify-content:center}
.board{width:min(39vw,55vh);height:min(39vw,55vh)}
.touch-toolbar{width:100%;display:flex;justify-content:center;gap:clamp(3px,.6vw,10px);flex-wrap:wrap;flex-shrink:0}
.touch-toolbar button,.touch-panel button{border:1px solid #e9bb6a;background:#17232ceF;color:#ffe2aa;border-radius:7px;font-weight:900;letter-spacing:.025em;padding:.55em .85em;cursor:pointer;font-size:clamp(10px,.9vw,15px);touch-action:manipulation}
.touch-toolbar button:active,.touch-panel button:active{background:#72512b}
.touch-panel{position:absolute;z-index:10;bottom:10%;left:50%;transform:translateX(-50%);width:min(96%,560px);padding:14px;background:#111b24f7;border:2px solid #f3c47a;border-radius:12px;box-shadow:0 12px 40px #000c;text-align:center}
.touch-panel[hidden],.touch-toolbar [hidden]{display:none!important}
#touch-panel-content{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;align-items:center;margin-bottom:12px}
#touch-panel-content strong{width:100%;color:#ffcc7a}
@media(pointer:coarse) and (orientation:landscape) and (max-height:650px){
 .interface{inset:1.5% 2.5%}
 header{height:10%}.play-area{max-height:none;flex:1;min-height:0;grid-template-columns:minmax(0,1fr) minmax(0,3fr) minmax(0,1fr)}
 .board{width:min(44vw,64vh);height:min(44vw,64vh)}
 .center{gap:2px}.touch-toolbar{flex-wrap:nowrap;gap:4px;min-height:30px;align-items:center}
 .touch-toolbar button{font-size:clamp(8px,1.8vh,12px);padding:6px 5px;min-height:29px;flex:1;white-space:nowrap}
 .touch-panel{bottom:9%;padding:8px}.touch-panel button{font-size:12px;padding:8px}
 footer{height:3%;font-size:clamp(6px,1.2vh,10px)}
}
@media(pointer:coarse) and (orientation:landscape) and (max-height:390px){.board{width:min(40vw,61vh);height:min(40vw,61vh)}.touch-toolbar button{font-size:9px;min-height:27px;padding:4px 3px}}
@media(pointer:coarse) and (orientation:portrait) and (min-width:651px){.play-area{max-height:none}.board{width:min(41vw,36vh);height:min(41vw,36vh)}}

/* v0.4: bottom toolbar in a dedicated 2-row grid; no button collisions.
   The original music slider remains hidden in DOM for the audio engine only. */
.touch-toolbar{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;width:100%;flex-wrap:initial;align-items:stretch}
.touch-toolbar button{min-width:0;min-height:36px;white-space:normal;overflow-wrap:break-word;line-height:1.15;padding:7px 5px;font-size:clamp(10px,1vw,14px)}
.play-area{align-items:start}
.player{align-self:start;margin-top:clamp(28px,3.2vw,48px)}
.music-settings[hidden],.starter-settings[hidden],.controls[hidden]{display:none!important}
@media(pointer:coarse) and (orientation:landscape) and (max-height:650px){
 .interface{inset:1.5% 2.5%;gap:2px}
 header{height:auto;max-height:10%;flex-shrink:0}
 .play-area{min-height:0;max-height:none;flex:1;align-items:start;grid-template-columns:minmax(0,1fr) minmax(0,3.1fr) minmax(0,1fr);gap:1.5%}
 .center{height:100%;justify-content:flex-start;gap:2px}
 .status{flex:0 0 auto;line-height:1.2}
 .board{width:min(46vw,58dvh);height:min(46vw,58dvh);flex-shrink:1}
 .player{align-self:start;margin-top:clamp(18px,3.2vh,30px);padding:3% 2%}
 .touch-toolbar{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:3px;flex-shrink:0;min-height:0}
 .touch-toolbar button{min-height:27px;padding:4px 2px;font-size:clamp(9px,1.8vh,12px);white-space:normal;line-height:1.1;flex:initial}
 footer{flex-shrink:0;min-height:10px}
}
@media(pointer:coarse) and (orientation:landscape) and (max-height:390px){
 .board{width:min(43vw,54dvh);height:min(43vw,54dvh)}
 .touch-toolbar{gap:2px}
 .touch-toolbar button{min-height:24px;padding:2px;font-size:9px}
 .player{margin-top:20px}
}

/* v0.5: align board top edge exactly with both player panels.
   Status is positioned independently and cannot push the board down. */
.play-area{position:relative;align-items:start}
.play-area>.status{position:absolute;left:50%;transform:translateX(-50%);bottom:calc(100% + 2px);z-index:2;padding:.2em 1em;font-size:clamp(8px,1vw,14px);pointer-events:none}
.play-area>.player{margin-top:0!important;align-self:start}
.play-area>.center{justify-content:flex-start;align-self:start;height:auto}
@media(pointer:coarse) and (orientation:landscape) and (max-height:650px){
 .play-area>.status{bottom:calc(100% + 1px);font-size:clamp(8px,1.8vh,11px);padding:.1em .8em}
 .play-area>.player{margin-top:0!important}
}

/* v0.6: turn indicated solely by strong player-panel glow; tidy title. */
.play-area>.status{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important;pointer-events:none!important}
.player{transition:border-color .18s ease,box-shadow .18s ease,filter .18s ease}
.player.active{border:2px solid #ffd17c!important;box-shadow:0 0 0 2px #ffba47,0 0 15px 4px #ffb12b,0 0 35px 8px #f39a227a,inset 0 0 16px #ffba2c20!important;filter:brightness(1.08)}
.interface{gap:clamp(3px,.6vh,9px)}
header{position:relative;z-index:1;min-height:0;max-height:none!important;overflow:visible;line-height:1.05}
header h1{margin:.08em 0 0;line-height:1.08}
header .subtitle{margin-top:.28em;line-height:1.2}
.play-area{min-height:0;align-items:start}
.play-area>.player,.play-area>.center{margin-top:0!important;align-self:start}
@media(pointer:coarse) and (orientation:landscape) and (max-height:650px){
 header{height:auto!important;flex:0 0 auto;max-height:none!important}
 header h1{font-size:clamp(18px,5.3vh,34px);line-height:1.05}
 header .subtitle{font-size:clamp(7px,1.5vh,10px)}
 .play-area{flex:1;overflow:visible}
 .board{width:min(43vw,55dvh);height:min(43vw,55dvh)}
}

/* v0.9: retain original gold winning-square fill; pulse only the edge glow. */
.cell.win{background:#c28b2b9c;border:2px solid #f4c875;box-shadow:inset 0 0 5px #ffc76a30,0 0 5px #ffca6940;animation:winningCellEdgePulse 1.7s ease-in-out infinite}
@keyframes winningCellEdgePulse{0%,100%{border-color:#d7ad63;box-shadow:inset 0 0 3px #ffc76a20,0 0 4px #ffca6930}50%{border-color:#ffe4a3;box-shadow:inset 0 0 9px #ffd98a55,0 0 12px 2px #ffbe6170}}
@media(prefers-reduced-motion:reduce){.cell.win{animation:none;border-color:#ffe4a3;box-shadow:inset 0 0 6px #ffd98a45,0 0 8px #ffbe6150}}

/* v1.0: three circular actions replace the long New Round and More buttons. */
.touch-toolbar{display:flex!important;align-items:center;justify-content:center;flex-wrap:wrap;gap:clamp(5px,.8vw,14px)}
.touch-toolbar>button{flex:0 1 auto;min-width:clamp(92px,13vw,190px);min-height:34px}
.round-actions{display:flex;align-items:center;justify-content:center;gap:clamp(10px,1.8vw,28px);width:100%;padding:3px 0}
.round-actions .round-action{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;flex:0 0 auto;width:clamp(58px,5.7vw,83px);height:clamp(58px,5.7vw,83px);border-radius:50%;border:2px solid #e9bb6a;background:#17232cf2;color:#ffe2aa;box-shadow:0 3px 10px #0009;font-weight:800;padding:5px;cursor:pointer;touch-action:manipulation}
.round-action .action-symbol{font-size:clamp(22px,2.3vw,34px);line-height:1}
.round-action .action-label{font-size:clamp(6px,.55vw,9px);letter-spacing:.02em;white-space:nowrap}
.round-action:active{background:#72512b}
@media(pointer:coarse) and (orientation:landscape) and (max-height:650px){
 .touch-toolbar{display:flex!important;gap:3px 8px}
 .touch-toolbar>button{min-width:0;flex:1 1 19%;min-height:26px}
 .round-actions{width:auto;flex:0 0 auto;gap:9px;padding:0 3px}
 .round-actions .round-action{width:clamp(39px,10dvh,55px);height:clamp(39px,10dvh,55px);min-height:0;padding:2px}
 .round-action .action-symbol{font-size:clamp(17px,4dvh,24px)}
 .round-action .action-label{font-size:clamp(5px,1.1dvh,7px)}
 .board{width:min(43vw,53dvh);height:min(43vw,53dvh)}
}
@media(pointer:coarse) and (orientation:landscape) and (max-height:390px){
 .round-actions .round-action{width:39px;height:39px}
 .round-action .action-label{font-size:5px}
}

/* v1.1: text-only, perfectly centred round controls, grouped higher. */
.round-actions{padding:0;gap:clamp(10px,1.8vw,28px)}
.round-actions .round-action{display:flex;flex-direction:row;align-items:center;justify-content:center;text-align:center;line-height:1.12;padding:8px;aspect-ratio:1/1}
.round-action .action-symbol{display:none!important}
.round-action .action-label{display:block;font-size:clamp(9px,.82vw,13px);line-height:1.16;white-space:normal;overflow-wrap:normal;letter-spacing:.015em;max-width:100%;margin:0 auto}
.touch-toolbar{position:relative;top:clamp(-20px,-1.7vh,-5px);row-gap:clamp(4px,.6vh,9px)}
@media(pointer:coarse) and (orientation:landscape) and (max-height:650px){
 .touch-toolbar{top:-3px;gap:3px 6px}
 .round-actions{gap:6px;padding:0}
 .round-actions .round-action{width:clamp(46px,12dvh,61px);height:clamp(46px,12dvh,61px);padding:4px}
 .round-action .action-label{font-size:clamp(7px,1.6dvh,10px);line-height:1.1}
}
@media(pointer:coarse) and (orientation:landscape) and (max-height:390px){
 .round-actions .round-action{width:clamp(43px,12dvh,49px);height:clamp(43px,12dvh,49px)}
 .round-action .action-label{font-size:clamp(7px,1.65dvh,9px)}
}

/* v1.2: fourth circular control for music; no rectangular music control. */
.round-actions{display:flex;justify-content:center;align-items:center;gap:clamp(8px,1.2vw,18px)}
.round-actions .round-action{flex-shrink:0}
.round-actions .music-round{border-color:#e35d5d;color:#ffb1b1;box-shadow:0 0 0 1px #f04a4a55,0 0 11px #e34a4a55;background:#17232cf2}
.round-actions .music-round.music-on{border-color:#58d98a;color:#85f7ad;box-shadow:0 0 0 1px #58d98a66,0 0 13px #42dc7b88;background:#152c24}
.round-actions .music-round .music-note{font-size:clamp(24px,2.6vw,36px);font-weight:800;line-height:1;display:block}
.round-actions .round-action .action-label{max-width:100%;text-align:center}
@media(pointer:coarse) and (orientation:landscape) and (max-height:650px){
 .round-actions{gap:clamp(4px,1vw,10px)}
 .round-actions .music-round .music-note{font-size:clamp(20px,5dvh,27px)}
}

/* v1.4: two compact groups of circular choices on the left; existing action circles on the right. */
.touch-toolbar{display:flex!important;position:relative;top:-5px;width:100%;align-items:flex-end;justify-content:space-between;flex-wrap:nowrap;gap:clamp(6px,1.2vw,18px)}
.touch-toolbar>button[hidden]{display:none!important}
.selection-controls{display:flex;align-items:flex-end;gap:clamp(8px,1.3vw,20px);min-width:0;flex:1 1 auto}
.control-group{display:flex;flex-direction:column;align-items:center;gap:5px;min-width:0}
.group-heading{font-size:clamp(8px,.85vw,13px);font-weight:900;letter-spacing:.05em;color:#ffe0a5;text-align:center;white-space:nowrap;text-shadow:0 2px 5px #000}
.choice-row{display:flex;gap:clamp(4px,.55vw,9px);align-items:center;justify-content:center}
.touch-toolbar .choice-circle{display:flex;align-items:center;justify-content:center;text-align:center;flex:0 0 auto;width:clamp(49px,5.2vw,76px);height:clamp(49px,5.2vw,76px);min-width:0;min-height:0;border:2px solid #e9bb6a;border-radius:50%;padding:4px;background:#17232cf2;color:#ffe2aa;font-weight:900;font-size:clamp(8px,.74vw,12px);line-height:1.05;white-space:normal;overflow-wrap:normal;touch-action:manipulation}
.touch-toolbar .choice-circle.selected{background:#63451f;border-color:#ffe0a1;box-shadow:0 0 0 2px #f6bc5a80,0 0 12px #ffc15a77;color:#fff4d9}
.touch-toolbar .choice-circle:focus-visible,.round-action:focus-visible{outline:3px solid #fff;outline-offset:3px}
.touch-toolbar .round-actions{width:auto;flex:0 0 auto;gap:clamp(4px,.7vw,11px);padding:0}
@media(pointer:coarse) and (orientation:landscape) and (max-height:650px){
 .touch-toolbar{gap:5px;top:-2px;align-items:flex-end}
 .selection-controls{gap:5px}
 .control-group{gap:2px}
 .group-heading{font-size:clamp(7px,1.8dvh,10px)}
 .choice-row{gap:3px}
 .touch-toolbar .choice-circle{width:clamp(37px,10.5dvh,52px);height:clamp(37px,10.5dvh,52px);font-size:clamp(6px,1.7dvh,9px);padding:2px}
 .round-actions .round-action{width:clamp(37px,10.5dvh,52px);height:clamp(37px,10.5dvh,52px)}
 .round-action .action-label{font-size:clamp(6px,1.7dvh,9px)}
}
@media(max-width:650px) and (orientation:landscape){.touch-toolbar{gap:2px}.selection-controls{gap:3px}.choice-row{gap:2px}.touch-toolbar .choice-circle,.round-actions .round-action{width:34px;height:34px}.touch-toolbar .choice-circle{font-size:6px}.round-action .action-label{font-size:6px}}

/* v1.5: three deliberately positioned toolbar groups; larger readable touch circles. */
.touch-toolbar{display:grid!important;grid-template-columns:max-content max-content max-content;align-items:end;justify-content:space-between;column-gap:clamp(8px,1.6vw,26px);top:-5px}
.selection-controls{display:contents}
.control-group{min-width:0;gap:clamp(3px,.6vh,7px)}
.control-group:first-child{grid-column:1;grid-row:1}
.control-group:nth-child(2){grid-column:2;grid-row:1}
.touch-toolbar .round-actions{grid-column:3;grid-row:1;display:flex;gap:clamp(4px,.7vw,12px);align-self:end}
.touch-toolbar .choice-circle,.touch-toolbar .round-actions .round-action{width:clamp(50px,5.8vw,83px);height:clamp(50px,5.8vw,83px);flex:0 0 auto}
.touch-toolbar .choice-circle{font-size:clamp(9px,.85vw,14px);padding:5px}
.touch-toolbar .round-action .action-label{font-size:clamp(9px,.82vw,13px);line-height:1.05}
@media(pointer:coarse) and (orientation:landscape) and (max-height:650px){
 .touch-toolbar{gap:clamp(4px,1vw,12px);top:-2px}
 .touch-toolbar .choice-circle,.touch-toolbar .round-actions .round-action{width:clamp(42px,12.5dvh,66px);height:clamp(42px,12.5dvh,66px)}
 .touch-toolbar .choice-circle,.touch-toolbar .round-action .action-label{font-size:clamp(7px,2.2dvh,11px)}
 .touch-toolbar .choice-row{gap:clamp(3px,.5vw,7px)}
 .touch-toolbar .round-actions{gap:clamp(3px,.5vw,7px)}
 .touch-toolbar .group-heading{font-size:clamp(8px,2dvh,11px)}
}
@media(max-width:650px) and (orientation:landscape){
 .touch-toolbar .choice-circle,.touch-toolbar .round-actions .round-action{width:clamp(36px,11dvh,48px);height:clamp(36px,11dvh,48px)}
 .touch-toolbar .choice-circle,.touch-toolbar .round-action .action-label{font-size:clamp(6px,1.8dvh,9px)}
}

/* v1.6: larger touch circles; play-mode group centred on the board axis. */
.touch-toolbar{display:grid!important;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:end;justify-content:stretch;column-gap:clamp(4px,.7vw,12px);width:100%}
.control-group:first-child{grid-column:1;justify-self:start}
.control-group:nth-child(2){grid-column:2;justify-self:center}
.touch-toolbar .round-actions{grid-column:3;justify-self:end}
.touch-toolbar .choice-circle,.touch-toolbar .round-actions .round-action{width:clamp(55px,6.1vw,90px);height:clamp(55px,6.1vw,90px)}
.touch-toolbar .choice-circle{font-size:clamp(9px,.9vw,14px)}
.touch-toolbar .round-action .action-label{font-size:clamp(9px,.85vw,13px)}
.board{width:min(42vw,59vh);height:min(42vw,59vh)}
@media(pointer:coarse) and (orientation:landscape) and (max-height:650px){
 .touch-toolbar{column-gap:clamp(3px,.5vw,8px)}
 .touch-toolbar .choice-circle,.touch-toolbar .round-actions .round-action{width:clamp(46px,14dvh,72px);height:clamp(46px,14dvh,72px)}
 .touch-toolbar .choice-circle,.touch-toolbar .round-action .action-label{font-size:clamp(7px,2dvh,11px)}
 .touch-toolbar .choice-row,.touch-toolbar .round-actions{gap:clamp(2px,.35vw,6px)}
 .board{width:min(46vw,62dvh);height:min(46vw,62dvh)}
}
@media(pointer:coarse) and (orientation:landscape) and (max-height:390px){
 .touch-toolbar .choice-circle,.touch-toolbar .round-actions .round-action{width:clamp(39px,12.5dvh,52px);height:clamp(39px,12.5dvh,52px)}
 .board{width:min(44vw,58dvh);height:min(44vw,58dvh)}
}
@media(max-width:650px) and (orientation:landscape){
 .touch-toolbar .choice-circle,.touch-toolbar .round-actions .round-action{width:clamp(35px,11dvh,48px);height:clamp(35px,11dvh,48px)}
}

/* v1.9: scene switch; preserve original v1.8 layout and game controls. */
.backdrop{background-image:url('assets/workshop.png')}
.stage.scene-lake .backdrop{background-image:url('assets/golden-lake.png')}
#scene-button{border-color:#d9c391}#scene-button:active{filter:brightness(1.3)}
/* Make room for fifth action circle on narrow landscape phones without moving board. */
@media(pointer:coarse) and (orientation:landscape) and (max-height:650px){
 .touch-toolbar .round-actions{gap:clamp(2px,.45vw,6px)}
 .touch-toolbar .round-actions .round-action{width:clamp(38px,10.6dvh,57px);height:clamp(38px,10.6dvh,57px)}
 .touch-toolbar .round-actions .action-label{font-size:clamp(6px,1.75dvh,10px)}
}