html,body{margin:0;padding:0;min-height:100%;background:radial-gradient(120% 90% at 50% 0%,#141d42 0%,#0a0a18 70%);
  color:#e2e8f0;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;
  display:flex;flex-direction:column;align-items:center;touch-action:manipulation;-webkit-tap-highlight-color:transparent}
#stage{width:min(96vw,520px);display:flex;flex-direction:column;align-items:center}
#topbar{display:flex;gap:8px;margin:10px 0 8px;flex-wrap:wrap;justify-content:center}
.tab{font:inherit;font-size:.88rem;font-weight:700;min-height:44px;padding:8px 16px;border:1px solid #2b3564;
  background:rgba(20,26,53,.85);color:#94a3b8;border-radius:999px;cursor:pointer;transition:all .2s}
.tab.on{background:linear-gradient(135deg,#22d3ee,#a78bfa);border-color:transparent;color:#0b1020;
  box-shadow:0 0 14px rgba(34,211,238,.35)}
#hud{display:flex;gap:10px;align-items:center;margin-bottom:10px;flex-wrap:wrap;justify-content:center}
#lives{display:flex;gap:4px}
.hiv{width:18px;height:18px;border-radius:50% 50% 50% 4px;background:#ffd54a;
  box-shadow:0 0 8px rgba(250,204,21,.6);transition:all .3s}
.hiv.off{background:#1c2450;box-shadow:none;transform:scale(.7)}
.pill{font:inherit;font-size:.85rem;font-weight:700;min-height:44px;padding:8px 14px;
  border:1px solid #2b3564;background:rgba(20,26,53,.85);color:#e2e8f0;border-radius:999px;cursor:pointer}
.pill:hover{border-color:#22d3ee}
.pill:disabled{opacity:.4;cursor:default}
.chip{background:rgba(20,26,53,.85);border:1px solid #2b3564;border-radius:999px;padding:8px 14px;font-size:.85rem}
.chip.hide{display:none}
/* 已揭示组横幅 */
#solvedBanners{width:min(92vw,480px);display:flex;flex-direction:column;gap:6px;margin-bottom:8px;min-height:0}
.banner{border-radius:10px;padding:9px 14px;animation:bouncein .45s cubic-bezier(.2,1.5,.4,1)}
@keyframes bouncein{from{transform:scale(.6) translateY(-12px);opacity:0}to{transform:none;opacity:1}}
.banner .bn{font-weight:900;letter-spacing:.5px;font-size:.95rem;color:#0b1020}
.banner .bw{font-size:.78rem;color:rgba(11,16,32,.75);margin-top:1px}
/* 词网格 */
#grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;width:min(92vw,480px);min-height:264px}
.wtile{min-height:66px;border-radius:10px;border:1px solid rgba(43,53,100,.9);
  background:rgba(20,26,53,.85);color:#e2e8f0;font:inherit;font-weight:700;font-size:clamp(.72rem,2.6vw,.9rem);
  cursor:pointer;transition:transform .12s,border-color .15s,box-shadow .15s;padding:4px}
.wtile:hover{transform:translateY(-2px)}
.wtile.sel{border-color:#00e5ff;box-shadow:0 0 14px rgba(0,229,255,.5);transform:translateY(-3px)}
.wtile:focus-visible{outline:2px solid #22d3ee;outline-offset:2px}
.wtile.gone{visibility:hidden}
#msg{min-height:22px;margin:8px 0;font-size:.92rem;text-align:center;font-weight:600}
#msg.oneway{color:#ff2d95}
#msg.info{color:#7c8db5;font-weight:400}
/* 提交/取消 */
#actions{display:flex;gap:10px;margin-bottom:12px}
.act{font:inherit;font-weight:800;min-height:44px;padding:10px 26px;border:0;border-radius:10px;
  background:rgba(20,26,53,.85);color:#94a3b8;cursor:pointer;border:1px solid #2b3564}
.act.primary{background:linear-gradient(135deg,#22d3ee,#a78bfa);color:#0b1020;box-shadow:0 0 14px rgba(34,211,238,.35)}
.act:disabled{opacity:.4;cursor:default}
/* 震屏 */
#grid.shake{animation:gshake .4s ease-out}
@keyframes gshake{0%,100%{transform:none}25%{transform:translateX(-7px)}60%{transform:translateX(6px)}}
/* 结算面板 */
.overlay{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(5,5,20,.88);backdrop-filter:blur(4px);z-index:20}
.overlay.hide{display:none}
.panel{background:rgba(20,26,53,.95);border:1px solid rgba(34,211,238,.4);border-radius:16px;
  padding:24px 30px;text-align:center;max-width:min(92vw,420px);
  animation:panelin .4s cubic-bezier(.2,1.4,.4,1)}
@keyframes panelin{from{transform:translateY(30px) scale(.85);opacity:0}to{transform:none;opacity:1}}
.panel h2{margin:0 0 8px;font-size:1.35rem;background:linear-gradient(135deg,#22d3ee,#a78bfa);
  -webkit-background-clip:text;background-clip:text;color:transparent}
#epRows{font-size:1.15rem;line-height:1.7;margin-bottom:6px;letter-spacing:1px}
.panel p{margin:0 0 12px;color:#94a3b8;font-size:.88rem}
.panel button{display:block;width:100%;font:inherit;font-weight:800;min-height:44px;margin-top:8px;
  border:0;border-radius:10px;background:linear-gradient(135deg,#22d3ee,#a78bfa);color:#0b1020;cursor:pointer}
.panel button:last-child{background:rgba(20,26,53,.9);color:#e2e8f0;border:1px solid #2b3564}
/* 图鉴选板 */
#libSel{display:flex;gap:6px;flex-wrap:wrap;justify-content:center}
#libSel button{font:inherit;font-weight:800;min-width:44px;min-height:44px;border-radius:10px;
  border:1px solid #2b3564;background:rgba(20,26,53,.85);color:#e2e8f0;cursor:pointer;position:relative}
#libSel button.done{border-color:#39ff88;color:#39ff88}
.cf{position:fixed;top:-4%;width:8px;height:12px;border-radius:2px;pointer-events:none;z-index:21;
  animation:cfall 1.1s ease-in forwards}
@keyframes cfall{0%{transform:translate(0,0) rotate(0);opacity:1}
  100%{transform:translate(var(--dx),58vh) rotate(540deg);opacity:0}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
}