*{box-sizing:border-box}:root{color-scheme:dark;--panel:rgba(20,33,61,.88);--panel2:rgba(26,45,86,.94);--line:rgba(226,232,240,.2);--text:#f8fafc;--muted:#b7c4d8;--red:#ef4444;--green:#22c55e}html,body{margin:0;min-height:100%}body{background:radial-gradient(circle at 18% 0%,rgba(34,211,238,.2),transparent 30%),radial-gradient(circle at 88% 8%,rgba(239,68,68,.16),transparent 26%),linear-gradient(145deg,#0a1222,#1c3159 58%,#0a1222);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}.top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;padding:14px 16px;border:1px solid var(--line);border-radius:18px 18px 10px 10px;background:linear-gradient(135deg,var(--panel),rgba(9,22,47,.88));backdrop-filter:blur(14px)}.top h1{margin:0;font-size:clamp(1.35rem,3vw,2.3rem)}.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}.chip{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))}.chip span{color:var(--muted);font-weight:800}.reward-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 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:16px;background:#091628;box-shadow:0 24px 80px rgba(0,0,0,.32)}#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:10px 0 0;text-align:center;color:var(--muted);font-size:.88rem;font-weight:750}.attack{position:fixed;right:16px;bottom:16px;border-radius:999px;width:82px;height:82px;background:linear-gradient(135deg,#ef4444,#dc2626);box-shadow:0 10px 30px rgba(220,38,38,.3)}button{border:0;border-radius:12px;padding:10px 14px;cursor:pointer;font:inherit;font-weight:850;color:#fff;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,#0ea5e9,#2563eb)}#rewardBtn{background:linear-gradient(135deg,#22c55e,#16a34a)}@media(min-width:900px){.attack{display:none}}@media(max-width:640px){.hud{grid-template-columns:repeat(2,minmax(0,1fr))}.top{flex-direction:column;align-items:stretch}#restartBtn{width:100%}}