*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;background:#000;color:#fff;font-family:"Courier New",monospace;overflow:hidden;
 user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;touch-action:none;overscroll-behavior:none;position:fixed;inset:0}
body{display:flex;align-items:center;justify-content:center}
#game-wrapper{display:flex;flex-direction:column;align-items:center;gap:6px;padding:6px;padding-bottom:max(6px,env(safe-area-inset-bottom));max-height:100dvh;width:100vw}
#topbar{width:min(100vw - 12px,1024px,(100dvh - 60px)*4/3);display:flex;justify-content:space-between;align-items:center}
#back-link{color:#fff;text-decoration:none;font-size:13px;letter-spacing:2px;border:1px solid #fff;padding:5px 9px}
#back-link:hover{background:#fff;color:#000}
.mini-btn{background:#000;color:#fff;border:1px solid #fff;font:inherit;font-size:12px;letter-spacing:1px;padding:5px 9px;cursor:pointer}
#canvas-wrap{line-height:0;border:1px solid #333}
#game{display:block;background:#000;width:min(100vw - 12px,1024px,(100dvh - 60px)*4/3);height:auto;touch-action:none}
#help{font-size:11px;color:#aaa;letter-spacing:1px;text-align:center}
#mobile-controls{display:none;width:100%;justify-content:space-between;align-items:center;padding:0 6px}
.mgroup{display:flex;gap:10px}
.tbtn{width:64px;height:64px;border-radius:50%;border:2px solid #fff;background:rgba(255,255,255,.06);color:#fff;font:inherit;font-size:22px;font-weight:bold;touch-action:none}
.tbtn.small,.tbtn.fire{font-size:12px}
.tbtn.active{background:rgba(255,255,255,.35)}
body.touch #help{display:none}
/* phones: one scaled stage; rotate under the left thumb, hyperspace/thrust/fire under the right */
body.touch{align-items:flex-start}
body.touch #game-wrapper{--cw:min(100vw - 12px,(100dvh - 250px)*4/3,1024px)}
body.touch #game,body.touch #topbar{width:var(--cw)}
body.touch .mgroup{position:fixed;bottom:max(14px,env(safe-area-inset-bottom));display:flex;gap:12px;align-items:flex-end;z-index:5}
body.touch #pad-left{left:max(14px,env(safe-area-inset-left))}
body.touch #pad-right{right:max(14px,env(safe-area-inset-right))}
body.touch .tbtn{width:76px;height:76px}
body.touch .tbtn.fire{width:96px;height:96px;border-color:#ff4040;background:rgba(255,64,64,.15);font-size:16px}
body.touch #pad-right{display:grid;grid-template-columns:auto auto;gap:10px 12px;align-items:end}
body.touch #pad-right .small{grid-column:1/3;justify-self:center;margin:0}
body.touch .tbtn.small{width:62px;height:62px}
@media (orientation:landscape){
 body.touch #game-wrapper{--cw:min(100vw - 2*max(190px,env(safe-area-inset-left)) - 8px,(100dvh - 44px)*4/3,1024px)}
 body.touch #pad-left{flex-direction:column;gap:14px;bottom:auto;top:50%;transform:translateY(-50%)}
 body.touch #pad-right{display:grid;grid-template-columns:auto auto;gap:10px;bottom:max(14px,env(safe-area-inset-bottom))}
 body.touch #pad-right .small{grid-column:1/3;justify-self:center;margin:0}
 body.touch .tbtn{width:70px;height:70px} body.touch .tbtn.fire{width:84px;height:84px}}
body.touch #mobile-controls{display:block}