:root{font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#151717;background:#d9d9cf}*{box-sizing:border-box}body{margin:0;min-height:100svh;display:grid;place-items:center}.shell{width:min(100%,440px);background:#e9e9dc;padding:15px 19px 13px;min-height:min(100svh,850px);display:flex;flex-direction:column;gap:8px;position:relative;box-shadow:0 5px 28px #0002}header{display:flex;align-items:center;justify-content:space-between}.brand{font-weight:1000;letter-spacing:1px;font-size:clamp(20px,4.8vw,27px)}.right{display:flex;align-items:center;gap:12px}.version{font-size:11px;font-weight:800}.gear{border:0;background:transparent;font-size:23px;cursor:pointer;padding:0}.stats,.below{display:flex;justify-content:space-between;align-items:center;font-size:11px;font-weight:800;gap:8px}.stats strong{margin-left:6px;font-variant-numeric:tabular-nums}.board-frame{background:#374248;border-radius:10px;flex:1;min-height:200px;max-height:510px;position:relative;display:flex;justify-content:center;align-items:stretch;padding:9px 0}#board{display:block;height:100%;width:auto;max-width:100%;image-rendering:auto;touch-action:none}.overlay{position:absolute;inset:0;display:grid;place-items:center;background:#151b1d75;color:#fff;font-weight:900;font-size:23px;text-align:center}.hidden{display:none!important}.below{min-height:20px}.controls{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:155px}.dpad{width:156px;height:156px;display:grid;grid-template-columns:repeat(3,52px);grid-template-rows:repeat(3,52px);touch-action:none}.key{border:0;background:#2f3842;color:white;font-size:30px;font-weight:800;touch-action:none;user-select:none;cursor:pointer}.key:active,.key.pressed{background:#576673}.up{grid-area:1/2}.left{grid-area:2/1}.right{grid-area:2/3}.down{grid-area:3/2}.ab{display:flex;flex-direction:column;gap:14px}.abrow{display:flex;align-items:center;justify-content:flex-end;gap:12px}.abrow small{font-size:10px;font-weight:800;white-space:nowrap}.round{width:53px;height:53px;border:0;border-radius:50%;background:#bc4650;color:white;font-size:21px;font-weight:900;cursor:pointer;touch-action:none}.round:active{background:#92333b}footer{display:flex;justify-content:space-around;gap:6px}footer button{border:0;border-radius:25px;background:#6e787b;color:white;font-size:10px;font-weight:800;padding:9px 10px;cursor:pointer;white-space:nowrap}.hint{font-size:10px;text-align:center;color:#757c7c}.settings{position:absolute;z-index:5;right:14px;top:55px;width:min(290px,calc(100% - 28px));background:#fffef8;border:1px solid #c5c7bd;border-radius:12px;box-shadow:0 12px 40px #0003;padding:16px;display:flex;flex-direction:column;gap:14px}.settings-head,.setting-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.settings-head button{background:none;border:0;font-size:18px;cursor:pointer}.setting-row{font-size:13px;font-weight:700}.setting-row select{min-width:116px;padding:7px;border:1px solid #bbb;border-radius:6px;background:#fff}.help{font-size:11px;line-height:1.6;color:#6a7070}@media(max-height:730px){.shell{padding:9px 15px;gap:5px}.controls{min-height:120px}.dpad{width:120px;height:120px;grid-template-columns:repeat(3,40px);grid-template-rows:repeat(3,40px)}.round{width:43px;height:43px}.ab{gap:8px}.board-frame{min-height:170px;padding:5px 0}.hint{display:none}}@media(min-width:600px){body{padding:20px}.shell{border-radius:24px;min-height:min(90svh,830px);max-height:850px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* v0.2: keep the 10x20 board and controls visible on compact phones and desktop */
html,body{overflow-x:hidden}body{min-height:100dvh}.shell{width:min(100%,420px);min-height:0;gap:6px}.board-frame{flex:0 1 auto;height:min(53dvh,480px);min-height:180px;max-height:none;padding:7px 0}.controls{min-height:0}.dpad{width:clamp(114px,17dvh,150px);height:clamp(114px,17dvh,150px);grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr)}.round{width:clamp(42px,6dvh,52px);height:clamp(42px,6dvh,52px)}.ab{gap:9px}.overlay{background:#151b1d45}.hint{line-height:1.3}@media(min-width:700px){body{padding:18px}.shell{max-height:calc(100dvh - 36px);border-radius:22px}.board-frame{height:min(49dvh,450px)}.dpad{width:126px;height:126px}}@media(max-width:430px){.shell{padding:calc(8px + env(safe-area-inset-top,0px)) 14px calc(8px + env(safe-area-inset-bottom,0px));gap:5px}.board-frame{height:min(49dvh,430px)}.brand{font-size:22px}.controls{gap:6px}.abrow{gap:7px}.abrow small{font-size:9px}.hint{display:none}footer button{padding:8px 9px}}@media(max-height:720px){.board-frame{height:43dvh}.controls{min-height:0}.dpad{width:108px;height:108px}.round{width:42px;height:42px}.shell{gap:4px}}