*{box-sizing:border-box}:root{color-scheme:dark;--panel:rgba(28,29,44,.88);--panel2:rgba(42,43,64,.94);--line:rgba(226,232,240,.19);--text:#f8fafc;--muted:#b8bfd4;--you:#7dd3fc;--ai:#fda4af;--gold:#facc15}html,body{margin:0;min-height:100%}body{background:radial-gradient(circle at 16% 0%,rgba(125,211,252,.18),transparent 28%),radial-gradient(circle at 88% 8%,rgba(253,164,175,.18),transparent 26%),linear-gradient(145deg,#14131f,#26253a 58%,#151520);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.wrap{width:min(800px,calc(100vw - 24px));margin:0 auto;padding:12px 0 18px}.top{padding:14px 16px;border:1px solid var(--line);border-radius:18px 18px 10px 10px;background:linear-gradient(135deg,var(--panel),rgba(18,18,29,.88));backdrop-filter:blur(14px)}.top h1{margin:0;font-size:clamp(1.4rem,3vw,2.25rem)}.top p{margin:6px 0 0;color:var(--muted);font-size:.92rem;font-weight:750}.hud{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:10px 0}.stat{display:flex;justify-content:space-between;align-items:center;gap:8px;border:1px solid var(--line);border-radius:12px;padding:9px 11px;background:linear-gradient(180deg,var(--panel),var(--panel2));min-width:0}.stat span{color:var(--muted);font-weight:800}.stat strong{font-variant-numeric:tabular-nums}.stage-shell{overflow:hidden;border:1px solid var(--line);border-radius:16px;background:#13131f;box-shadow:0 24px 80px rgba(0,0,0,.32)}#game-stage{width:100%;aspect-ratio:1/1;min-height:340px}#game-stage canvas{display:block;width:100%;height:100%}.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:10px}button{border:0;border-radius:12px;padding:11px 15px;cursor:pointer;font:inherit;font-weight:850;transition:transform 140ms ease,filter 140ms ease,opacity 140ms ease}button:active{transform:translateY(1px) scale(.99)}button:disabled{cursor:not-allowed;opacity:.48}#rewardBtn{background:linear-gradient(135deg,#7dd3fc,#a78bfa);color:#111827}#restartBtn{background:linear-gradient(135deg,#facc15,#fb7185);color:#231006}.reward-note{margin:10px 0 0;color:#dbeafe;font-weight:750;min-height:22px}@media(max-width:640px){.hud{grid-template-columns:repeat(2,minmax(0,1fr))}.actions button{flex:1 1 210px}.wrap{width:min(100vw - 16px,640px)}}@media(max-width:420px){.hud{grid-template-columns:1fr}}