*{box-sizing:border-box}:root{color-scheme:dark;--panel:rgba(22,33,45,.9);--panel2:rgba(31,44,57,.95);--line:rgba(236,241,246,.2);--text:#f9fafb;--muted:#b8c3cf;--gold:#f5b84b;--green:#36c275;--red:#ef5548}html,body{margin:0;min-height:100%}body{background:radial-gradient(circle at 16% 8%,rgba(54,194,117,.22),transparent 30%),radial-gradient(circle at 86% 12%,rgba(245,184,75,.18),transparent 28%),linear-gradient(180deg,#17202b,#0e151d 70%);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.shell{width:min(980px,calc(100vw - 24px));margin:0 auto;padding:12px 0 18px}.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;padding:14px 16px;border:1px solid var(--line);border-radius:16px 16px 8px 8px;background:linear-gradient(135deg,var(--panel),rgba(13,21,29,.9));backdrop-filter:blur(14px)}.topbar h1{margin:0;font-size:clamp(1.35rem,3vw,2.25rem);letter-spacing:0}.topbar p{margin:6px 0 0;color:var(--muted);font-size:.92rem;font-weight:750}.hud{margin:10px 0;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}.chip{border:1px solid var(--line);border-radius:10px;padding:9px 11px;display:flex;justify-content:space-between;gap:8px;background:linear-gradient(180deg,var(--panel),var(--panel2));min-width:0}.chip span{color:var(--muted);font-weight:800}.chip strong{white-space:nowrap}.reward-bar{margin:0 0 10px;display:flex;flex-wrap:wrap;align-items:center;gap:10px}.reward-note{margin:0;color:var(--muted);font-size:.88rem;font-weight:700}.stage-shell{overflow:hidden;border:1px solid var(--line);border-radius:14px;background:#101820;box-shadow:0 24px 80px rgba(0,0,0,.34)}#game-stage{width:100%;aspect-ratio:16/9;min-height:320px;touch-action:none}#game-stage canvas{display:block;width:100%;height:100%}.tip{margin:8px 0 0;text-align:center;color:var(--muted);font-size:.88rem;font-weight:750}button{border:0;border-radius:10px;padding:10px 14px;cursor:pointer;font:inherit;font-weight:850;color:#101820;transition:transform 140ms ease,opacity 140ms ease}button:active{transform:translateY(1px) scale(.99)}button:disabled{opacity:.48;cursor:not-allowed}#restartBtn{background:linear-gradient(135deg,#f5b84b,#f08b2f)}#rewardBtn{background:linear-gradient(135deg,#36c275,#8bd35d)}@media(max-width:760px){.hud{grid-template-columns:repeat(3,minmax(0,1fr))}.topbar{flex-direction:column;align-items:stretch}#restartBtn{width:100%}}@media(max-width:460px){.hud{grid-template-columns:repeat(2,minmax(0,1fr))}.chip{padding:8px 9px}}