*{box-sizing:border-box}html,body{height:100%;margin:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Arial,sans-serif;background:radial-gradient(100% 120% at 50% 0%,#0b0d12 0%,#090a0e 40%,#05060a 100%);color:#e6f0ff}
#page{display:flex;flex-direction:column;min-height:100%}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-bottom:1px solid #1a2233;background:linear-gradient(#0c1018,#0b0f17)}
.topbar .brand{letter-spacing:.5px;color:#9bbcff}
.topbar .controls{display:flex;gap:10px;align-items:center}
.topbar .bank{display:flex;align-items:center;gap:6px;opacity:.95;background:#0b1220;border:1px solid #23314d;padding:3px 8px;border-radius:10px}
.topbar .bank img{width:16px;height:16px;image-rendering:pixelated}
.stage-wrap{display:grid;place-items:center;padding:16px;flex:1}
#stage{position:relative;max-width:min(96vw,1200px);min-width:720px;width:100%;aspect-ratio:16/9;border:1px solid #1a2233;border-radius:14px;overflow:hidden;background:#0a0c12;box-shadow:0 20px 60px rgba(0,0,0,.55)}
@media (max-width:900px){#stage{min-width:0}}
canvas#game{width:100%;height:100%;image-rendering:pixelated;display:block}
.crt{position:relative;filter:contrast(1.06) saturate(1.05) brightness(1.02)}
.scanlines{pointer-events:none;position:absolute;inset:0;background:repeating-linear-gradient(to bottom,rgba(0,0,0,.14) 0px,rgba(0,0,0,.14) 1px,transparent 2px,transparent 4px);mix-blend-mode:multiply}
.vignette{pointer-events:none;position:absolute;inset:-3%;background:radial-gradient(ellipse at center, rgba(0,0,0,0) 55%, rgba(0,0,0,0.45) 80%, rgba(0,0,0,0.85) 100%)}
#hud{position:absolute;left:0;right:0;top:0;padding:10px;display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.scorebox{background:rgba(0,0,0,.35);backdrop-filter:blur(2px);padding:6px 10px;border-radius:8px;border:1px solid rgba(255,255,255,.08);font-size:14px}
.scorebox .sep{opacity:.65;margin:0 8px}
.inventory{display:flex;gap:6px;flex-wrap:wrap}
.card-slot{position:relative;width:48px;height:48px;border-radius:8px;border:1px solid #2a3852;background:linear-gradient(#0e1624,#0b121c);display:grid;place-items:center;cursor:pointer}
.card-slot .icon{width:40px;height:40px;image-rendering:pixelated}
.card-slot .count{position:absolute;right:4px;bottom:2px;background:rgba(0,0,0,.6);padding:0 6px;border-radius:10px;border:1px solid rgba(255,255,255,.1);font-size:12px}
.card-slot .key{position:absolute;left:4px;top:2px;opacity:.7;font-size:11px}

/* MENU */
.menu{position:absolute;inset:0;display:grid;place-items:start center;padding:14px;background:radial-gradient(120% 140% at 50% 30%,rgba(11,16,25,.95),rgba(6,9,14,.95));text-align:center}
.menu.hidden{display:none}
.menu .menu-box{width:min(96%,1040px);max-height:calc(100% - 28px);overflow:hidden;background:rgba(0,0,0,.35);border:1px solid rgba(255,255,255,.08);padding:18px;border-radius:12px;text-align:left;display:flex;flex-direction:column}
.menu .subtitle{opacity:.8;margin:.2rem 0 1rem}
.menu .tabs{display:flex;gap:8px;margin:0 0 10px 0;flex:0 0 auto}
.menu .tab{flex:0 0 auto;font-size:15px;padding:8px 12px;border-radius:8px;border:1px solid #39507a;background:linear-gradient(#1a2a43,#132038);color:#cfe1ff;cursor:pointer}
.menu .tab.active{outline:2px solid #5a7bd8}
.menu .panel{display:none}
.menu .panel.active{display:flex;flex-direction:column}
.menu .panel.scroll{overflow-y:auto;max-height:none;flex:1 1 auto;min-height:0;padding-right:6px;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
.menu .keys{list-style:none;padding:0 0 12px 0;margin:0 0 10px 0;font-size:14px;color:#cbd8f1}
.home-actions{display:flex;gap:10px;margin:10px 0;flex:0 0 auto}
.panel-actions{margin-top:12px;display:flex;gap:10px;flex:0 0 auto}
.card-pool{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;flex:1 0 auto}
.card-opt{display:flex;gap:12px;align-items:flex-start;background:#0e1626;border:1px solid #2a3d61;border-radius:10px;padding:10px}
.card-opt .icon{width:40px;height:40px;image-rendering:pixelated}
.card-opt .meta{flex:1}
.card-opt .meta .name{font-weight:600}
.shop-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;flex:1 0 auto}
.shop-item{background:#0e1626;border:1px solid #2a3d61;border-radius:12px;padding:10px;display:flex;flex-direction:column;align-items:center;gap:8px}
.shop-item .skin{width:80px;height:88px;image-rendering:pixelated;background:#0b1322;border:1px solid #23314d;border-radius:8px;display:grid;place-items:center}
.shop-item .price{opacity:.9}
.shop-item .own{color:#89ff8a;font-weight:600}
.skin-grid.small{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px;flex:1 0 auto}
.skin-cell{display:flex;align-items:center;gap:12px;background:#0e1626;border:1px solid #2a3d61;border-radius:10px;padding:8px}
.skin-cell img{width:32px;height:36px;image-rendering:pixelated;background:#0b1322;border:1px solid #23314d;border-radius:6px}
.collection{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.collection-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.foot{padding:8px 14px;border-top:1px solid #1a2233;background:linear-gradient(#0c1018,#0b0f17);color:#9fb3d9}
code{background:#0f1521;border:1px solid #223251;padding:2px 6px;border-radius:6px}
button{font:inherit;color:inherit;background:#101724;border:1px solid #24334f;border-radius:8px;padding:6px 10px;cursor:pointer}
button:hover{filter:brightness(1.1)}
button:active{transform:translateY(1px)}


/* --- v7.1 layering to ensure menu is always clickable --- */
#stage{position:relative}
#stage > canvas#game{position:absolute; inset:0; width:100%; height:100%; z-index:0}
.scanlines{z-index:1}
.vignette{z-index:2}
#hud{z-index:3}
.menu{z-index:4; pointer-events:auto}
#gameover{z-index:5; pointer-events:auto}