:root{color-scheme:dark;font:16px 'Malgun Gothic',sans-serif;background:#101b23;color:#eef3f4}body{margin:0 auto;max-width:1400px;padding:24px}header{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid #486171;padding-bottom:16px}h1{font-size:26px;margin:0}h2{font-size:20px}h3{font-size:17px}a{color:#88dfca}section,.card{background:#1b2c38;border:1px solid #486171;border-radius:10px;padding:18px;margin:16px 0}p{line-height:1.7}label{display:inline-block;margin:6px}input,select,button,textarea{font:inherit;padding:9px;border:1px solid #6b8290;border-radius:5px;background:#243d4c;color:white;margin:4px;max-width:95%}input[type=number]{width:85px}input[type=checkbox]{width:auto}button{cursor:pointer}button:hover{background:#385868}button:disabled{opacity:.45;cursor:default}textarea{width:90%;height:65px}small,.muted{color:#b7c9d3}#message{padding:12px;color:#ffdf97;white-space:pre-wrap;min-height:20px}.layout{display:grid;grid-template-columns:minmax(380px,2fr) minmax(300px,1fr);gap:20px}canvas{width:100%;height:520px;background:#10232e;border:1px solid #547284;border-radius:10px;touch-action:none}.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.badge{background:#2a4855;border-radius:5px;padding:6px 10px}.clock{font:26px monospace}.links input{width:90%}details{margin:12px 0}pre{white-space:pre-wrap;overflow-wrap:anywhere}ol,li{line-height:1.8}[hidden]{display:none!important}fieldset{border:1px solid #547284;border-radius:6px;margin:10px 0}@media(max-width:900px){.layout{grid-template-columns:1fr}body{padding:12px}canvas{height:400px}}

#createRoomButton{background:#ffdf3d;color:#171b20;border-color:#ffdf3d;font-weight:700}
#createRoomButton:hover{background:#ffe96b;border-color:#ffe96b}
#createRoomButton:focus-visible{outline:3px solid #fff;outline-offset:3px}

#detailBoard{height:340px}#rangePanel{border-top:1px solid #547284;margin-top:18px;padding-top:10px}

#detailBoard{border:2px solid #ffd240}#viewInfo[data-highlight="selected"]{color:#ffd240}

#placementPanel{border:2px solid #6bbaa7;border-radius:8px;padding:12px;margin:12px 0;background:#193c42}#confirm{background:#ffdf3d;color:#171b20;font-weight:700}#confirm:disabled{opacity:.5}#placementHelp{margin:4px 0}

/* Restored original visual language, keeping current game controls. */
.layout{grid-template-columns:minmax(0,1fr)}.layout>aside{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}.layout>aside section{margin:0}#board,#detailBoard{background:#e3edf3;border-color:#a3b9c7}#board{height:560px}#detailBoard{height:370px}.seat{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;background:#192631;border:1px solid #364957;border-radius:12px;padding:12px;margin:12px 0}.seatClock{font:34px monospace}.bowl{width:100px;height:65px;background:transparent;border:0;border-radius:0}.axisLegend{display:block;margin:8px}.seat span{font-size:14px}#rangeInputs input{width:65px}#placementPanel{display:flex;align-items:center;flex-wrap:wrap;gap:4px}#placementPanel h3,#placementPanel p{flex-basis:100%;margin:5px}#buildLabel{color:#88dfca;font-weight:bold}#detailLayer{width:180px}@media(max-width:700px){#board{height:420px}.seat{gap:8px}.bowl{width:80px;height:52px}.seatClock{font-size:26px}}

#detailBoard{border:2px solid #9b2d94}#viewInfo[data-highlight="selected"]{color:#e0a4e4}#dragRegion{background:#745319;border-color:#cfab62}

/* Equal-size synchronized-layer comparison. */
body{max-width:1680px}#boardComparison{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;align-items:start}#wholePane,#rangePanel{min-width:0}#boardComparison #rangePanel{border-top:0;margin-top:0;padding-top:0}#boardComparison h3{margin:12px 0}#boardComparison #board,#boardComparison #detailBoard{height:460px;width:100%;box-sizing:border-box}#compareToolbar{border:1px solid #6bbaa7;border-radius:8px;padding:10px;background:#193c42}#sharedLayerInfo{color:#75e5e7;font-weight:bold}#boardComparison #rangeInputs input{width:58px}#boardComparison #rangeInputs label{font-size:14px}#boardComparison button{font-size:14px}@media(max-width:760px){#boardComparison{grid-template-columns:1fr}#boardComparison #board,#boardComparison #detailBoard{height:420px}}@media(max-width:550px){#boardComparison #board,#boardComparison #detailBoard{height:340px}}

#groupBoard{background:#e3edf3;border:2px solid #bf0073;height:430px;max-width:100%;box-sizing:border-box}#groupInfo{color:#f0b3d9}#groupCoordinates{max-height:180px;overflow:auto}#showMyGroup{background:#6a2858}#groupPanel{border-color:#b26b9a}

#rightGroupStatus{color:#f0b3d9;margin:4px 0}#fitGroupInDetail{background:#6a2858}

#detailViewModes button[aria-pressed="true"]{background:#7b285d;border-color:#ffb0dc;box-shadow:inset 0 0 0 1px #ffb0dc}#detailViewModes{border-top:1px solid #6a8190;padding-top:8px}