:root{font-family:Inter,Segoe UI,sans-serif;color:#eefcff;background:#010208;color-scheme:dark}
*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden}body{display:grid;place-items:center;background:radial-gradient(circle at 50% 50%,#102436,#010208 70%)}
#game{--stage-aspect:9/16;position:relative;width:min(100vw,calc(100vh * 9 / 16));height:min(100vh,calc(100vw * 16 / 9));aspect-ratio:var(--stage-aspect);overflow:hidden;background:radial-gradient(ellipse at 50% 110%,#15386088,transparent 55%),#02040d;box-shadow:0 0 0 1px #55e7ff18,0 0 90px #000}
#game-canvas{position:absolute;inset:0;width:100%;height:100%}
.lab-panel{position:fixed;z-index:8;left:calc(50% + min(50vw,28.125vh) + 14px);top:12px;width:240px;max-height:calc(100vh - 24px);overflow:auto;padding:14px;border:1px solid #55e7ff35;border-radius:16px;background:#070c19f2;box-shadow:0 12px 40px #0009,0 0 28px #55e7ff12;backdrop-filter:blur(10px)}
.lab-panel h2{margin:0 0 12px;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:#55e7ff}.lab-panel label{display:grid;gap:5px;margin:9px 0;color:#9eafc3;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase}
select,button,input{min-height:34px;border:1px solid #55e7ff35;border-radius:8px;background:#10182a;color:#eefcff}button{padding:7px 9px;cursor:pointer}button:hover{border-color:#55e7ff;color:#55e7ff}input{accent-color:#55e7ff}.button-row{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin:7px 0}.lab-panel>button{width:100%;margin-top:7px}
dl{display:grid;grid-template-columns:1fr auto;gap:4px 10px;margin:14px 0 0;padding-top:12px;border-top:1px solid #ffffff12;font:11px/1.3 Consolas,monospace}dt{color:#8395aa}dd{margin:0;color:#dffaff}.spec-note{margin:12px 0 0;color:#718196;font-size:.68rem;line-height:1.4}
#error{position:absolute;z-index:20;inset:30% 15%;display:grid;place-items:center;padding:30px;text-align:center;border:1px solid #ff4f9a66;border-radius:20px;background:#100612ee;color:#ff9bc5}
#error[hidden]{display:none}
@media(max-width:940px){.lab-panel{left:auto;right:8px;top:auto;bottom:8px;width:210px;max-height:42%;opacity:.94}.lab-panel dl,.spec-note{display:none}}