.oa-shell{position:relative;width:100%;height:100%;min-height:0;background:#030108;overflow:hidden}
.oa-stage{position:absolute;top:0;left:50%;width:1240px;height:720px;transform-origin:top center;background:#030108;overflow:hidden;box-shadow:0 0 0 1px #45145f,0 0 42px #000}
.oa-stage canvas{display:block;width:1240px;height:720px;image-rendering:pixelated;touch-action:none;cursor:crosshair;outline:none}
.oa-scan{position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(0,0,0,.14) 0 1px,transparent 1px 3px);mix-blend-mode:multiply;z-index:2}
.oa-overlay{position:absolute;inset:0;z-index:5;display:grid;place-items:center;background:radial-gradient(circle at 50% 40%,rgba(40,6,50,.45),rgba(3,1,8,.84));text-align:center}
.oa-overlay[hidden]{display:none}
.oa-menu{width:min(980px,90%);padding:26px 34px;border:2px solid #5b86ff;background:rgba(10,4,22,.93);box-shadow:10px 10px 0 #5ee7ff}
.oa-menu small{color:#ffd93a;font:900 14px "Courier New",monospace;letter-spacing:.1em}
.oa-menu h1{margin:10px 0 6px;color:#5ee7ff;font:900 92px/1 "Courier New",monospace;letter-spacing:.02em;text-shadow:5px 5px 0 #14227a}
.oa-menu h1 span{color:#5b86ff;text-shadow:5px 5px 0 #7c0f52}
.oa-menu p{color:#d6cbe8;font:17px/1.5 "Courier New",monospace;margin:8px auto;max-width:820px}
.oa-menu .oa-note{color:#9488ad;font-size:14px}
.oa-menu .oa-best{color:#ffd93a;font-weight:900;letter-spacing:.12em}
.oa-menu ul{list-style:none;margin:14px auto;padding:0;text-align:left;width:fit-content;max-width:880px;color:#d6cbe8;font:15px/1.75 "Courier New",monospace}
.oa-menu li b{display:inline-block;min-width:116px;color:#ffd93a}
.oa-row{display:flex;gap:12px;justify-content:center;margin-top:14px}
.oa-overlay button,.oa-controls button{cursor:pointer;padding:12px 20px;border:2px solid #5ee7ff;background:#0b2a33;color:#5ee7ff;font:900 16px "Courier New",monospace;letter-spacing:.06em}
.oa-overlay button:hover:not(:disabled),.oa-overlay button:focus-visible,.oa-controls button:hover{background:#5ee7ff;color:#05040a}
.oa-overlay button:hover:not(:disabled) span{color:#05040a}
.oa-overlay button:disabled{opacity:.3;cursor:not-allowed}
.oa-controls{position:absolute;z-index:6;right:12px;bottom:8px;display:flex;gap:8px}
.oa-controls button{padding:8px 12px;font-size:14px;background:rgba(5,4,18,.85)}
.oa-controls button.active{border-color:#5b86ff;color:#ff6fb5}
.oa-banner{position:absolute;z-index:4;left:50%;top:190px;transform:translateX(-50%);text-align:center;pointer-events:none;white-space:nowrap}
.oa-banner[hidden]{display:none}
.oa-banner b{display:block;color:#ffd93a;font:900 46px "Courier New",monospace;letter-spacing:.06em;text-shadow:4px 4px #7c0f52}
.oa-banner span{display:block;margin-top:6px;color:#5ee7ff;font:900 18px "Courier New",monospace;letter-spacing:.12em;text-shadow:2px 2px #05040a}
.oa-banner.on{animation:oa-pop 2.2s both}
@keyframes oa-pop{0%{opacity:0;transform:translate(-50%,18px) scale(.8)}12%,78%{opacity:1;transform:translate(-50%,0) scale(1)}100%{opacity:0;transform:translate(-50%,-16px)}}
body.oa-playing .workspace{padding:0;overflow:hidden}
@media(prefers-reduced-motion:reduce){.oa-banner.on{animation:none}}
.oa-menu .oa-sub{color:#ff5468;font:900 22px "Courier New",monospace;letter-spacing:.3em;margin-top:0}
.oa-menu h1 span{color:#ff5468;text-shadow:5px 5px 0 #7d0c1f}
.oa-setup{padding:18px 26px}
.oa-pick{display:grid;grid-template-columns:150px repeat(7,auto);gap:8px;align-items:center;justify-content:start;margin:8px 0;text-align:left}
.oa-pick b{color:#ffd93a;font:900 14px "Courier New",monospace;letter-spacing:.08em}
.oa-overlay .oa-pick button{padding:8px 12px;font-size:13px}
.oa-overlay .oa-pick button.on{background:#5ee7ff;color:#05040a}
.oa-menu h1{font-size:76px}
.oa-menu h1 span{display:block;font-size:30px;letter-spacing:.3em;color:#5fd456;text-shadow:3px 3px 0 #145a24}
.oa-pick{grid-template-columns:130px repeat(3,auto)}
.oa-menu{padding:14px 26px}
.oa-menu h1{margin:4px 0 2px;font-size:64px}
.oa-menu p{font-size:15px;margin:6px auto}
.oa-menu ul{font-size:13px;line-height:1.55;margin:8px auto}
.oa-menu li b{min-width:90px}
.oa-pick{margin:6px 0}
.oa-controls{display:grid;grid-template-columns:1fr 1fr;width:216px;right:6px;bottom:6px;gap:6px}
.oa-controls button{padding:6px 4px;font-size:13px}