html,body{height:100%;overflow:hidden;touch-action:none}
#scene{position:fixed;inset:0;width:100%;height:100%;display:block;touch-action:none}
#ui{position:fixed;inset:0;pointer-events:none;z-index:5}
#ui>*{pointer-events:auto}
.hud-bar{position:absolute;top:0;left:0;right:0;display:flex;flex-wrap:wrap;gap:6px;
  padding:8px;justify-content:flex-start;background:linear-gradient(#0b0f20cc,#0b0f2000)}
.stat{display:flex;align-items:baseline;gap:6px;padding:5px 9px;border-radius:10px;
  background:var(--panel);border:1px solid var(--line);min-width:82px}
.stat .k{font-size:10px;letter-spacing:.12em;color:var(--dim)}
.stat .v{font-size:15px;font-weight:700;color:var(--amber);font-variant-numeric:tabular-nums}
.stat:nth-child(2) .v{color:var(--teal)}
.stat:nth-child(4) .v{color:var(--ice)}
.stat.warn{border-color:#ff6477;animation:pulse 1s infinite}
@keyframes pulse{50%{box-shadow:0 0 12px #ff647766}}
.palette{position:absolute;left:50%;transform:translateX(-50%);bottom:8px;display:flex;gap:6px;
  flex-wrap:wrap;justify-content:center;max-width:100%}
.tool{display:flex;flex-direction:column;align-items:center;gap:1px;min-width:62px;padding:6px 8px;
  border-radius:11px;background:var(--panel);border:1px solid var(--line);transition:.15s}
.tool .tname{font-size:12px;font-weight:700}
.tool .tcost{font-size:11px;color:var(--amber)}
.tool .tkey{font-size:10px;color:var(--dim)}
.tool.on{border-color:var(--teal);box-shadow:0 0 0 2px #53f0c055,0 0 16px #53f0c033;transform:translateY(-3px)}
.campad{position:absolute;right:8px;bottom:8px;display:grid;grid-template-columns:repeat(3,42px);gap:5px}
.cambtn{height:42px;border-radius:11px;background:var(--panel);border:1px solid var(--line);font-size:17px}
.cambtn:active{background:#2a2f52}
.hint{position:absolute;left:8px;bottom:8px;max-width:44vw;font-size:11px;color:var(--dim);
  background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:6px 8px}
.goalbar{position:absolute;top:78px;left:8px;right:8px;height:6px;border-radius:99px;
  background:#141a34cc;border:1px solid var(--line);overflow:hidden}
.goalfill{display:block;height:100%;width:0%;border-radius:99px;
  background:linear-gradient(90deg,var(--coral),var(--amber),var(--teal));transition:width .3s}
.goalfill.done{background:linear-gradient(90deg,var(--teal),var(--ice))}
@media (max-width:520px){.goalbar{top:64px}.toast{top:78px}}
.toast{position:absolute;top:94px;left:50%;transform:translate(-50%,-8px);padding:8px 14px;border-radius:99px;
  background:#ff647722;border:1px solid #ff647766;color:#ffd7de;font-size:13px;opacity:0;transition:.2s;pointer-events:none}
.toast.show{opacity:1;transform:translate(-50%,0)}
.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(circle at 50% 40%,#1a2140cc,#05070fdd);backdrop-filter:blur(3px)}
.panel{max-width:min(520px,92vw);padding:22px 24px;border-radius:18px;background:var(--panel);
  border:1px solid var(--line);box-shadow:0 20px 60px #0009}
.panel h2{font-size:30px;letter-spacing:.14em;color:var(--amber)}
.panel p{font-size:14px;color:var(--dim);line-height:1.5}
.panel b{color:var(--ink)}
button.big{display:inline-block;margin-top:10px;padding:12px 26px;border-radius:99px;font-size:16px;font-weight:800;
  background:linear-gradient(90deg,var(--teal),var(--ice));color:#08121f;box-shadow:0 8px 24px #53f0c044}
@media (max-width:520px){
  .stat{min-width:0;padding:4px 6px}
  .stat .k{font-size:9px}
  .stat .v{font-size:12px}
  .tool{min-width:52px;padding:5px 6px}
  .tool .tname{font-size:10px}
  .hint{display:none}
  .campad{grid-template-columns:repeat(3,36px)}
  .cambtn{height:36px;font-size:15px}
}
.overlay[hidden]{display:none}
.panel[hidden]{display:none}