:root{color-scheme:dark;font-family:"Yu Gothic UI","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;color:#ecf3f7;background:#101824;font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 62% 38%,#203340 0,transparent 55%);min-height:100vh}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;touch-action:manipulation}button:focus-visible,a:focus-visible{outline:3px solid #90f3d1;outline-offset:5px}button:disabled{opacity:.5;cursor:wait}.game{max-width:1320px;margin:auto;padding:25px 42px}header{display:flex;align-items:center;justify-content:space-between;padding-bottom:23px;border-bottom:1px solid #ffffff12}.brand{font-size:20px;font-weight:800;color:inherit;text-decoration:none;display:flex;align-items:center;gap:13px}.brand-icon{color:#82e7c1;font-size:32px}.brand-light{font-weight:400}.edition{font-size:12px;letter-spacing:.22em;color:#8298aa}.layout{display:grid;grid-template-columns:minmax(245px,1fr) minmax(270px,405px) 148px;gap:48px;align-items:center;padding:34px 0 14px}.eyebrow{font-size:13px;color:#81e3c0;letter-spacing:.08em}h1{font-size:clamp(29px,3vw,42px);letter-spacing:.02em;line-height:1.5;margin:16px 0}p{line-height:1.8}.intro{font-size:14px;color:#9bafbd;margin-bottom:30px}.stages{display:flex;list-style:none;padding:0;gap:9px;margin:0 0 27px}.stages li{height:35px;width:35px;display:grid;place-items:center;border-radius:50%;border:1px solid #3b4d5a;color:#8fa4b4;font-size:12px}.stages li.active{background:#83e7c2;color:#101e24;border-color:#83e7c2;box-shadow:0 0 25px #83e7c21a}.stages li.done{color:#83e7c2;border-color:#83e7c2}.stage-info>span{font-size:12px;letter-spacing:.16em;color:#93aaba}h2{font-size:19px;font-weight:500;margin:9px 0 24px}.stats{display:flex;justify-content:space-between;max-width:325px;gap:30px}.stats>div>span{display:block;color:#9bafbd;font-size:13px}.stats strong{font:400 33px/1.7 ui-monospace,Consolas,monospace;letter-spacing:-.03em}.stats b{font-weight:400}.stats small{font-size:17px;margin-left:4px;color:#9bafbd}.progress{max-width:325px;height:5px;background:#293b47;position:relative;border-radius:4px;margin-top:7px}.progress i{display:block;height:100%;background:#84e8c3;border-radius:4px;transition:width .2s;width:0}.progress em{position:absolute;left:90%;top:-3px;height:11px;width:1px;background:#f3f5f8}.goal{font-size:12px;color:#94aaba;margin:11px 0 26px}.instructions{border-top:1px solid #ffffff13;padding-top:15px}.instructions h3{font-size:13px;font-weight:500;color:#9db0be;margin:0 0 12px}.instructions p{font-size:13px;margin:8px 0;color:#b6c5ce}kbd{display:inline-block;min-width:21px;text-align:center;padding:1px 5px;border:1px solid #3f525e;border-radius:4px;font:12px/1.7 inherit;color:#e8f0f4}.drag-icon{display:inline-block;width:30px;text-align:center;font-size:20px}.actions{display:flex;gap:10px;margin-top:24px}.subtle{border:1px solid #425560;border-radius:7px;background:transparent;color:#bacbd5;font-size:13px;padding:9px 14px}.subtle:hover{background:#263c49;color:white}.play-area{min-width:0}.board-header,.board-footer{display:flex;justify-content:space-between;align-items:center;font:12px/1.5 ui-monospace,Consolas,monospace;color:#9fb5c3;gap:10px}.board-header{margin-bottom:15px;letter-spacing:.07em}.board-header i{display:inline-block;background:#82e7c1;width:6px;height:6px;border-radius:50%;margin-right:5px}.perspective{perspective:1000px;position:relative}.board{border:7px solid #3a505c;border-radius:16px;overflow:hidden;background:#20323e;box-shadow:0 24px 55px #0006,0 0 0 1px #ffffff15;transform-style:preserve-3d;touch-action:none;will-change:transform}canvas{display:block;width:100%;height:auto;touch-action:none}.board-footer{margin-top:17px;font-family:inherit;font-size:12px}.board-footer>span:first-child{color:#88a99f}.board-footer b{color:#e5ecef;font-weight:500}.overlay{position:absolute;inset:0;display:grid;place-items:center;border-radius:16px;background:#07131b55;backdrop-filter:blur(3px)}.overlay[hidden]{display:none}.overlay-card{text-align:center;padding:27px 15px;background:#13232ff0;border:1px solid #56726780;border-radius:13px;width:88%;box-shadow:0 15px 40px #0004}.overlay-card h2{font-size:24px;font-weight:700;margin:12px 0}.overlay-card p{font-size:13px;color:#b4c6d0;white-space:pre-line;margin:0 0 23px}.primary{background:#85ebc7;color:#102e26;border:0;border-radius:7px;font-weight:700;padding:13px 25px;min-width:150px}.primary:hover{background:#b0ffdf}.controls{text-align:center;align-self:end;padding-bottom:40px}.tilt-meter{width:66px;height:66px;border:1px solid #405563;border-radius:50%;margin:auto;position:relative;background:#152531}.tilt-meter i{position:absolute;background:#344955}.tilt-meter i:nth-child(2){left:50%;height:100%;width:1px}.tilt-meter i:nth-child(3){top:50%;width:100%;height:1px;left:0}#tiltDot{width:10px;height:10px;border-radius:50%;background:#85ebc7;position:absolute;left:27px;top:27px;z-index:1}.control-label{display:block;font-size:11px;letter-spacing:.2em;color:#7c97a8;margin-top:10px}.pad{display:grid;grid-template-columns:repeat(3,43px);grid-template-rows:repeat(3,43px);gap:5px;justify-content:center;margin-top:33px}.pad button{border:1px solid #435c69;background:#20333f;border-radius:9px;color:#d5e4ec;font-size:23px;touch-action:none;user-select:none}.pad button:active,.pad button.held{background:#83e7c2;color:#122b27}.pad button:nth-child(1){grid-column:2}.pad button:nth-child(2){grid-column:1;grid-row:2}.pad button:nth-child(3){grid-column:2;grid-row:2;font-size:12px;color:#83e7c2}.pad button:nth-child(4){grid-column:3;grid-row:2}.pad button:nth-child(5){grid-column:2;grid-row:3}.controls p{font-size:12px;color:#8ea6b5;margin:14px 0 22px}.controls .subtle{font-size:12px;padding:9px 7px}.sensor-note{display:block;font-size:12px;color:#b2c9d3;line-height:1.7;margin-top:8px}footer{text-align:center;color:#627e90;font-size:12px;padding:12px 0}body.viewing .overlay{background:none;backdrop-filter:none;align-items:end;padding-bottom:15px}body.viewing .overlay-card{padding:14px 12px;background:#12232feb}body.viewing .overlay-card h2{font-size:18px;margin:6px 0}body.viewing .overlay-card p{margin-bottom:10px}body.viewing .overlay-card .eyebrow{display:none}
@media(min-width:1050px) and (max-height:850px){.game{padding-top:16px}.layout{grid-template-columns:minmax(245px,1fr) minmax(260px,340px) 145px;gap:40px;padding-top:22px}h1{font-size:33px;margin:10px 0}.intro{margin:0 0 18px}.stages{margin-bottom:18px}.goal{margin-bottom:16px}.actions{margin-top:16px}header{padding-bottom:13px}}
@media(max-width:1000px){.game{padding:20px 24px}.layout{gap:24px;grid-template-columns:minmax(230px,1fr) minmax(250px,380px)}.controls{grid-column:1;grid-row:2;display:flex;align-items:center;justify-content:center;gap:16px;padding:0}.controls .pad{margin:0}.controls p,.control-label,.tilt-meter{display:none}.play-area{grid-column:2;grid-row:1 / 3}.intro{font-size:13px}.sensor-note{max-width:120px}.controls .subtle{max-width:110px}}
@media(max-width:620px){.game{padding:12px 18px}.brand{font-size:17px;gap:8px}.brand-icon{font-size:27px}.edition{font-size:10px;letter-spacing:.1em}header{padding-bottom:10px}.layout{display:flex;flex-direction:column;gap:17px;padding-top:17px}.sidebar{width:100%}.sidebar>.eyebrow,h1,.intro,.instructions,.goal,.stage-info h2{display:none}.stages{justify-content:center;margin:0 0 15px}.stages li{width:28px;height:28px}.stage-info{float:left;margin-top:8px}.stats{margin-left:auto;gap:22px;justify-content:flex-end}.stats>div>span{font-size:10px}.stats strong{font-size:22px}.stats small{font-size:13px}.progress{max-width:none;clear:both;margin-top:8px}.actions{position:absolute;top:58px;right:18px;margin:0;gap:5px}.actions button{font-size:11px;padding:6px 8px}.stages{justify-content:flex-start;padding-right:155px;gap:5px}.play-area{width:min(100%,330px)}.board-header{margin-bottom:9px;font-size:11px}.board{border-width:5px;border-radius:12px}.board-footer{margin-top:10px;font-size:11px}.controls{width:100%;display:flex;justify-content:center;gap:25px;align-self:auto}.pad{grid-template-columns:repeat(3,46px);grid-template-rows:repeat(3,38px);gap:4px}.controls p{display:block;text-align:left;font-size:11px}.controls .subtle{max-width:100px}.sensor-note{position:absolute;left:18px;right:18px;max-width:none;transform:translateY(80px);pointer-events:none}footer{margin-top:12px}.overlay-card h2{font-size:21px}}
@media(prefers-reduced-motion:reduce){.progress i{transition:none}}
.perspective{perspective-origin:50% 50%;touch-action:none;isolation:isolate}
.board{overflow:visible;transform-origin:50% 50%;border-color:#6c8a96;box-shadow:0 2px 0 #344f60,0 4px 0 #344f60,0 6px 0 #2b4556,0 8px 0 #2b4556,0 10px 0 #203747,0 12px 0 #203747,0 30px 35px #0008}
.board canvas{border-radius:8px}.overlay{z-index:3;touch-action:manipulation}
#sphere{position:absolute;pointer-events:none;border-radius:50%;background:radial-gradient(circle at 30% 24%,#fff 0%,#edfff8 18%,#97efcc 43%,#3caa8b 75%,#1b5a4a 100%);box-shadow:2px 7px 7px #0008,inset -1px -2px 3px #175f4b;z-index:2;will-change:transform;overflow:hidden}
#sphere[hidden]{display:none}#sphere i{display:block;position:absolute;inset:15%;border:1px solid #1a7b6855;border-radius:50%;border-left-color:transparent;border-bottom-color:transparent}
.view-angle{display:block;font-size:13px;color:#bbd0dc;line-height:1.6;margin:15px 0}.view-angle input{display:block;width:100%;min-height:34px;accent-color:#85ebc7;touch-action:pan-x}
.board{border:0;border-radius:0;background:transparent;box-shadow:0 18px 32px #0006}.board canvas{border-radius:0}#sphere{z-index:4}
.game{max-width:1100px}.layout{min-height:calc(100svh - 60px);grid-template-columns:240px minmax(270px,405px) 148px;justify-content:center}.overlay-card p:empty{display:none}
@media(max-width:1000px){.layout{grid-template-columns:minmax(230px,1fr) minmax(250px,380px)}}
@media(max-width:620px){.layout{min-height:0}.controls .view-angle{grid-row:1/3}.controls .subtle{grid-row:3}.actions{min-height:42px}}
.pad{grid-template-columns:repeat(3,46px);grid-template-rows:repeat(3,46px)}
@media(max-width:1000px) and (min-width:621px){.controls{flex-wrap:wrap}.view-angle{width:130px;margin:0}}
@media(max-width:620px){
 .game{padding: max(8px,env(safe-area-inset-top)) 14px max(8px,env(safe-area-inset-bottom))}
 header{padding-bottom:5px}.brand{font-size:16px}.edition{font-size:10px}.layout{gap:8px;padding-top:8px}
 .sidebar{display:grid;grid-template-columns:1fr auto;gap:5px 10px}.stages{padding:0;margin:0;gap:5px;align-items:center}.stages li{width:25px;height:25px;font-size:12px}
 .actions{position:static;grid-column:2;grid-row:1;margin:0}.actions button{min-height:42px;padding:5px 8px;font-size:12px}
 .stage-info{float:none;grid-column:1;grid-row:2;margin:0;align-self:center}.stage-info>span{font-size:12px}
 .stats{grid-column:2;grid-row:2;gap:15px}.stats>div>span{font-size:11px}.stats strong{font-size:20px;line-height:1.3}.progress{grid-column:1/-1;margin:0}
 .play-area{width:min(86vw,330px,max(170px,calc((100svh - 340px) * .69)))}
 .board-header{font-size:11px;margin:5px 0}.board-footer{margin-top:10px;font-size:11px}.board-footer>span:first-child{max-width:72%}
 .controls{display:grid;grid-template-columns:148px minmax(120px,170px);gap:4px 22px;width:100%;align-items:center;justify-content:center}
 .controls .pad{grid-column:1;grid-row:1/4;grid-template-columns:repeat(3,46px);grid-template-rows:repeat(3,44px);gap:4px;margin:0}
 .controls p{grid-column:2;grid-row:1;font-size:12px;line-height:1.5;margin:0;text-align:left}
 .view-angle{grid-column:2;grid-row:2;font-size:12px;margin:0;text-align:left}.view-angle input{min-height:28px;margin:0}
 .controls .subtle{grid-column:2;grid-row:3;max-width:none;min-height:42px;font-size:12px;padding:6px}
 .sensor-note{position:static;transform:none;grid-column:1/-1;font-size:12px;margin:0;text-align:left}.sensor-note:empty{display:none}
 .overlay-card{padding:18px 12px}.overlay-card h2{font-size:19px;margin:8px 0}.overlay-card p{font-size:12px;margin-bottom:13px}.primary{padding:12px 16px}
 footer{display:none}
}
@media(max-width:950px) and (max-height:500px) and (orientation:landscape){
 .game{padding:6px 12px}header,footer,.sidebar>.eyebrow,.sidebar h1,.intro,.instructions,.goal{display:none}
 .layout{display:grid;grid-template-columns:minmax(140px,1fr) minmax(120px,230px) minmax(145px,1fr);gap:18px;padding:8px 0}
 .sidebar{display:block}.stages{padding:0;margin-bottom:12px}.stage-info{float:none}.stats{margin:10px 0;justify-content:space-between;gap:10px}.actions{position:static;margin-top:15px}.progress{margin-top:8px}
 .play-area{grid-column:2;grid-row:1;width:min(100%,calc((100svh - 62px) * .69));justify-self:center}.board-footer>span:first-child{display:none}.controls{display:flex;grid-column:3;grid-row:1;flex-direction:column;gap:6px;padding:0}.controls p{display:block;margin:0;font-size:12px}.view-angle{width:140px;margin:0}.controls .pad{grid-template-columns:repeat(3,44px);grid-template-rows:repeat(3,44px);margin:0}.controls .subtle{max-width:none}.sensor-note{position:static;transform:none}.overlay-card h2{font-size:17px}.overlay-card p{font-size:12px;margin-bottom:10px}
}

/* Keep the play surface dominant; compact status replaces the text column. */
.game{max-width:1400px;padding:18px 28px}
.layout{grid-template-columns:minmax(0,1fr) 148px;grid-template-rows:auto 1fr;gap:12px 30px;padding:0;min-height:calc(100svh - 36px)}
.sidebar{grid-column:1/-1;grid-row:1;display:flex;align-items:center;justify-content:center;gap:24px;flex-wrap:wrap;width:100%;position:relative}
.stages{margin:0;gap:6px;padding:0}.stage-info{margin:0;float:none}.stage-info>span{font-size:13px}.stats{gap:24px;margin:0;max-width:none}.stats strong{font-size:26px;line-height:1.3}.stats>div>span{font-size:12px}
.progress{width:110px;max-width:110px;margin:0;clear:none}.actions{position:static;margin:0;gap:8px}.actions button{min-height:44px;font-size:13px;padding:8px 12px}
.play-area{grid-column:1;grid-row:2;justify-self:center;width:min(520px,calc((100svh - 128px) * .684));min-width:0}
.controls{grid-column:2;grid-row:2;align-self:center;display:block;padding:0;width:148px}.controls .pad{margin:20px 0 12px}.controls .subtle{max-width:none;width:100%;min-height:44px}.sensor-note{max-width:none;position:static;transform:none}
.sidebar>.eyebrow,.sidebar>h1,.sidebar>.intro,.instructions,header,footer{display:none!important}
@media(max-width:900px){.game{padding:12px 18px}.sidebar{gap:12px}.stages li{width:27px;height:27px}.stage-info{display:none}.layout{gap:12px 18px;min-height:calc(100svh - 24px)}.play-area{width:min(450px,calc((100svh - 132px) * .684))}}
@media(max-width:620px){
 .game{padding:max(8px,env(safe-area-inset-top)) 12px max(8px,env(safe-area-inset-bottom))}.layout{display:flex;flex-direction:column;gap:8px;min-height:0}
 .sidebar{display:grid;grid-template-columns:1fr auto;gap:8px}.stages{grid-column:1;grid-row:1;justify-content:flex-start}.actions{grid-column:2;grid-row:1}.actions button{font-size:12px;padding:6px 8px}
 .stats{grid-column:1/-1;grid-row:2;justify-content:space-between;width:100%;gap:12px}.stats strong{font-size:24px}.stats>div>span{font-size:12px}.progress{grid-column:1/-1;grid-row:3;width:100%;max-width:none}
 .play-area{width:min(88vw,360px,max(210px,calc((100svh - 285px) * .684)));align-self:center}
 .controls{width:100%;display:grid;grid-template-columns:148px minmax(120px,170px);gap:4px 20px;align-self:center;justify-content:center}.controls .pad{grid-column:1;grid-row:1/4;margin:0}.view-angle{grid-column:2;grid-row:1/3;width:100%;margin:0}.controls .subtle{grid-column:2;grid-row:3}.sensor-note{grid-column:1/-1}.board-footer>span:first-child{display:none}
}
@media(max-width:950px) and (max-height:500px) and (orientation:landscape){.sidebar{gap:10px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 148px;grid-template-rows:auto 1fr;gap:4px 16px}.sidebar{grid-column:1/-1;grid-row:1;display:flex}.play-area{grid-column:1;grid-row:2;width:min(340px,calc((100svh - 92px) * .684))}.controls{grid-column:2;grid-row:2;display:block;width:148px}.controls .pad{margin:0}.view-angle{width:100%;margin:3px 0}.tilt-meter,.control-label{display:none}}
.controls .pad{display:none}
@media(max-width:620px){.controls{grid-template-columns:minmax(0,1fr) minmax(120px,1fr);gap:8px 16px}.controls .view-angle{grid-column:1;grid-row:1}.controls .subtle{grid-column:2;grid-row:1}.sensor-note{grid-row:2}.play-area{width:min(88vw,360px,max(210px,calc((100svh - 210px) * .684)))}}

/* Size the whole game to the visible viewport, including expanded status messages. */
html,body{width:100%;height:100%;margin:0;overflow:hidden}
.game{height:100vh;height:100dvh;min-height:0;width:100%;padding:12px 22px;overflow:hidden}
.layout{height:100%;min-height:0;grid-template-rows:auto minmax(0,1fr);row-gap:12px;align-items:center}
.play-area{align-self:center;justify-self:center;max-width:100%;flex-shrink:1}
.sidebar{min-width:0;gap:12px 20px}.controls{min-width:0;max-height:100%;overflow:visible}.view-angle input{margin:0;max-width:100%}
@media(max-width:900px){.game{padding:10px 16px}.layout{min-height:0;gap:12px 18px}.sidebar{gap:8px 12px}}
@media(max-width:620px){
 .game{padding:max(6px,env(safe-area-inset-top)) 12px max(6px,env(safe-area-inset-bottom))}
 .layout{display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:auto minmax(0,1fr) auto;gap:8px;min-height:0}
 .sidebar{grid-column:1;grid-row:1;gap:6px 8px}.play-area{grid-column:1;grid-row:2;margin:0;align-self:center;justify-self:center}
 .controls{grid-column:1;grid-row:3;width:100%;max-height:none;overflow:visible;gap:4px 12px}.sensor-note{font-size:12px;line-height:1.4}
 .board-header{margin:0 0 8px}.board-footer{margin:8px 0 0}.stats strong{font-size:22px}
 .overlay-card{max-height:90%;overflow:auto;padding:14px 12px}.overlay-card h2{font-size:18px}
}
@media(max-height:480px) and (min-width:621px){.game{padding:6px 12px}.sidebar{gap:6px 10px}.stats strong{font-size:20px}.actions button{min-height:36px;padding:6px 10px}.controls .tilt-meter,.controls .control-label{display:none}.view-angle{margin:5px 0}.sensor-note{font-size:12px;line-height:1.4}}
.mode-choice{margin:0 0 18px;padding:12px 0 0;border:0;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mode-choice[hidden]{display:none}.mode-choice legend{font-size:16px;width:100%;text-align:center;color:#d6e6ed}
.mode-option{border:1px solid #587383;border-radius:8px;background:#203644;color:#e8f4f8;min-height:52px;padding:10px 8px;font-size:15px}
.mode-option[aria-pressed="true"]{border-color:#85ebc7;background:#85ebc7;color:#14352c;font-weight:700}
#modeNote{grid-column:1/-1;font-size:13px;line-height:1.6;color:#c4d7e2}#modeNote:empty{display:none}
.controls .sensor-note{text-align:center;font-size:13px}
.stats{gap:0}
@media(max-width:620px){.sidebar .stats{grid-column:1;grid-row:2;justify-content:flex-start}.sidebar .actions{grid-column:2;grid-row:1/3;align-self:center}.sidebar .stages{grid-column:1;grid-row:1}}
@media(max-width:620px){.controls{grid-template-columns:minmax(0,1fr) auto;align-items:center}.controls .view-angle{grid-column:1}.controls .sensor-note{grid-column:2;grid-row:1;white-space:nowrap}.mode-choice{gap:8px;margin-bottom:12px}.mode-option{min-height:48px;font-size:14px}.overlay-card h2{margin:6px 0 10px}.overlay-card .eyebrow{display:none}}
.mode-option{min-height:76px;font-size:18px;padding:14px 8px;border-width:2px}
.overlay-card .primary{width:100%;min-height:64px;font-size:18px;padding:16px 12px}
.mode-choice{gap:12px;margin-bottom:20px}
@media(max-width:620px){.overlay-card{width:calc(100% - 12px);padding:14px 10px}.mode-option{min-height:64px;font-size:16px;padding:12px 4px}.mode-choice{gap:8px;margin-bottom:14px}.overlay-card .primary{min-height:60px;font-size:18px;padding:14px 8px}}


@media(max-width:620px){.controls{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.controls .view-angle{grid-column:1;grid-row:1}.controls .zoom-control{grid-column:2;grid-row:1}.controls .sensor-note{grid-column:1/-1;grid-row:2}}

@media(max-width:620px){.controls{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.controls .view-angle{grid-column:1;grid-row:1}.controls .zoom-control{grid-column:2;grid-row:1}.controls .sensor-note{grid-column:1/-1;grid-row:2}}

.sidebar,.controls{position:relative;z-index:5}

.easy-retry{margin-top:12px;background:#203644;color:#e8f4f8;border:2px solid #85ebc7}.easy-retry:hover{background:#315363}.easy-retry[hidden]{display:none}

.actions[hidden]{display:none!important}

body.viewing .perspective{display:flex;flex-direction:column}body.viewing .overlay{position:static;display:block;margin-top:12px;padding:0;background:none;backdrop-filter:none}body.viewing .overlay-card{width:100%;max-height:none;overflow:visible}body.viewing .board{box-shadow:none}

#cgDialog{width:100vw;height:100dvh;max-width:none;max-height:none;margin:0;padding:0;border:0;background:#090b13;color:#ecf3f7;z-index:10}#cgDialog::backdrop{background:#000b}#cgDialog iframe{display:block;width:100%;height:calc(100% - 60px);border:0}#cgDialog>button{display:block;min-height:44px;margin:8px 16px}