/* Shared phone/tablet layout: useful controls stay at the top; rounds may scroll. */
body{min-height:100svh;overflow-x:clip}
#main{width:100%;max-width:680px;min-height:0;padding:env(safe-area-inset-top) 20px max(14px,env(safe-area-inset-bottom));margin:0 auto}
.screen-header{position:sticky;top:0;z-index:20;background:#f9f8eced;backdrop-filter:blur(8px);border-radius:0 0 18px 18px}
.game-top{height:64px;gap:8px}.game-top .round-icon{flex-shrink:0;min-width:36px;min-height:36px}.play-brand{flex-shrink:0}.top-points{min-width:0;max-width:45%;overflow-wrap:anywhere}.top-points strong{font-variant-numeric:tabular-nums;font-size:clamp(16px,3.5vw,23px)}
.language-controls{display:flex;justify-content:flex-end;align-items:center;gap:2px;width:auto;margin:0;padding:0 2px 4px;background:none;border-radius:0;min-height:36px}
.language-controls>span{font-size:14px;margin-right:4px}.language-controls button{min-width:42px;min-height:36px;padding:0 8px;font-size:12px;border-radius:10px}
.play-screen{display:grid;grid-template-columns:minmax(0,1fr);gap:10px}.stage{min-width:0}.stage-title>span{font-size:10px}.stage-title h1{font-size:clamp(23px,4vw,30px);margin:4px 0 0}
.pyramid[data-layers]{--row-count:4;--cube-cap:66px;--tile:min(var(--cube-cap),calc((100vw - 56px - (var(--row-count) - 1)*8px)/var(--row-count)),max(26px,calc((100dvh - 330px)/var(--row-count) - 10px)));padding:20px 0 14px;row-gap:12px;margin-bottom:12px}
.pyramid[data-layers="3"]{--row-count:3;--cube-cap:74px}.pyramid[data-layers="4"]{--row-count:4;--cube-cap:66px}.pyramid[data-layers="5"]{--row-count:5;--cube-cap:57px}.pyramid[data-layers="6"]{--row-count:6;--cube-cap:51px}.pyramid[data-layers="7"]{--row-count:7;--cube-cap:45px}.pyramid[data-layers="8"]{--row-count:8;--cube-cap:40px}
.pyramid-row{gap:10px}.game-controls{min-width:0;width:100%;padding:12px 10px 15px;align-self:start}
.letter-rack{--tile:52px;padding:5px 0 12px;margin:0 auto 8px}.bank-row{gap:11px 8px;max-width:100%}.letter-btn.tile{flex:0 0 var(--tile)}
.actions{width:100%;max-width:430px;gap:7px}.actions .primary,.actions .secondary{height:48px;min-height:48px;padding:0 11px;font-size:14px}.actions .erase{width:40px;padding:0}.actions .solution-button{min-width:106px;padding:0 8px;font-size:13px}.solution-button .solution-cost{font-size:11px}
.level-dock{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:4px 0 10px;min-width:0}.level-dock .pick-challenge{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:44px;padding:8px 18px;font-size:14px;font-weight:600;white-space:normal;max-width:100%}
.challenge-summary{margin:0;font-size:12px;line-height:1.45;text-align:center;color:var(--world-muted);overflow-wrap:anywhere}
.layer-rewards{margin:0 auto 12px}.reward-layers{grid-template-columns:repeat(4,minmax(0,1fr))}.reward-layer{min-height:50px;padding:5px 3px}.reward-layer strong{font-size:17px}.reward-layer small{font-size:10px}
.challenge-clock{margin-bottom:10px;padding:7px 14px}.settings-dialog,.menu-dialog,.info-dialog{max-height:calc(100dvh - 32px - env(safe-area-inset-top) - env(safe-area-inset-bottom));width:min(440px,calc(100vw - 28px));overflow-y:auto;overscroll-behavior:contain}
.settings-card .difficulty-list{grid-template-columns:repeat(3,minmax(0,1fr))}.difficulty-btn strong,.difficulty-btn small{overflow-wrap:anywhere}.settings-dialog .select{width:100%;max-width:100%}
.welcome-screen{margin-top:15px}.history-item{flex-wrap:wrap;gap:8px}.history-item>div{min-width:0}.history-item small{overflow-wrap:anywhere}
@media(max-width:600px){#main{padding-left:14px;padding-right:14px}.game-top{height:56px;gap:7px}.game-top .round-icon{width:36px;height:36px}.play-brand{font-size:18px}.pyramid{--cube-cap:60px;row-gap:10px;padding-top:18px}.pyramid[data-layers="3"]{--cube-cap:68px}.pyramid[data-layers="4"]{--cube-cap:60px}.pyramid[data-layers="5"]{--cube-cap:53px}.pyramid[data-layers="6"]{--cube-cap:47px}.pyramid[data-layers="7"]{--cube-cap:41px}.pyramid[data-layers="8"]{--cube-cap:36px}.pyramid-row{gap:9px}.letter-rack{--tile:clamp(42px,12vw,50px)}.actions{gap:6px}.actions .primary,.actions .secondary{padding:0 9px}.actions .erase{padding:0}.actions .solution-button{min-width:100px;padding:0 7px}}
@media(max-height:700px) and (max-width:600px){.game-top{height:48px}.language-controls{min-height:32px;padding-bottom:2px}.language-controls button{min-height:32px}.stage-title>span{display:none}.stage-title h1{font-size:23px;margin:0}.pyramid{row-gap:9px;padding:14px 0 10px;margin-bottom:6px}.pyramid[data-layers="3"]{--cube-cap:60px}.pyramid[data-layers="4"]{--cube-cap:52px}.pyramid[data-layers="5"]{--cube-cap:45px}.pyramid[data-layers="6"]{--cube-cap:39px}.pyramid[data-layers="7"]{--cube-cap:34px}.pyramid[data-layers="8"]{--cube-cap:30px}.letter-rack{--tile:42px;padding:2px 0 10px;margin-bottom:6px}.game-controls{padding-top:8px;padding-bottom:11px}.play-screen{gap:6px}}
/* Tablet/phone landscape uses the available width rather than stretching vertically. */
@media(min-width:900px),(min-width:600px) and (orientation:landscape) and (max-height:700px){
 #main{max-width:1040px;padding-left:24px;padding-right:24px}.screen-header{max-width:none}.game-top{height:56px}.language-controls{min-height:34px}.play-screen{grid-template-columns:minmax(0,1.1fr) minmax(270px,1fr);grid-template-areas:"stage controls" "stage challenge";column-gap:24px;row-gap:8px;padding-top:12px;align-items:center}.stage{grid-area:stage}.game-controls{grid-area:controls;align-self:end}.level-dock{grid-area:challenge;align-self:start;padding-top:4px}.pyramid[data-layers]{--tile:min(var(--cube-cap),max(26px,calc((100dvh - 195px)/var(--row-count) - 10px)));padding-top:20px;padding-bottom:12px}.letter-rack{--tile:46px}.bank-row{gap:12px 8px}.stage-title h1{font-size:26px}.stage-title>span{display:inline}.welcome-screen{max-width:480px}
}
@media(orientation:landscape) and (max-height:500px){.screen-header{position:relative}.game-top{height:44px}.language-controls{min-height:30px}.language-controls button{min-height:30px}.play-screen{padding-top:4px;column-gap:16px}.stage-title>span{display:none}.stage-title h1{font-size:22px}.pyramid{row-gap:8px;padding-top:13px}.game-controls{padding:8px}.letter-rack{--tile:40px}.actions .primary,.actions .secondary{height:44px;min-height:44px}.challenge-summary{font-size:11px}}
@media(max-width:360px){#main{padding-left:10px;padding-right:10px}.game-top{gap:6px}.top-points{padding:6px 8px}.actions{gap:5px}.actions .primary,.actions .secondary{padding:0 7px;font-size:13px}.actions .erase{width:36px;padding:0}.actions .solution-button{min-width:99px;padding:0 6px}.game-controls{padding-left:6px;padding-right:6px}.pyramid-row{gap:8px}.settings-dialog,.menu-dialog,.info-dialog{padding-left:17px;padding-right:17px}}