html,body{height:100%;overflow:hidden;overscroll-behavior:none}
body{display:flex;flex-direction:column;touch-action:none;user-select:none;-webkit-user-select:none}
.hud{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;gap:10px;max-width:560px;width:100%;margin:0 auto}
.hud .home{font-weight:800;color:var(--text);font-size:18px;white-space:nowrap}
.hud .stat{text-align:center;min-width:72px}.hud .stat b{display:block;font-size:24px;font-variant-numeric:tabular-nums;line-height:1.1}.hud .stat span{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.hud button{background:var(--panel);border:1px solid var(--line);color:var(--text);border-radius:10px;min-width:40px;min-height:40px;font-size:13px;font-weight:700;padding:0 10px;cursor:pointer}
.sub{display:flex;justify-content:space-between;max-width:560px;width:100%;margin:0 auto;padding:0 16px;font-size:14px;color:var(--muted);min-height:22px}
#streak{color:var(--a3);font-weight:800}
.stage{flex:1;max-width:560px;width:100%;margin:0 auto;position:relative;min-height:0}
#board{position:absolute;inset:0;display:block;cursor:grab}
#motd{text-align:center;color:var(--muted);font-size:13px;padding:6px 16px 12px;max-width:560px;margin:0 auto}
dialog{background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:18px;padding:24px;max-width:380px;width:calc(100% - 32px);text-align:center}
dialog::backdrop{background:#020617b3;backdrop-filter:blur(3px)}
dialog h2{margin:0 0 6px}.big{font-size:52px;font-weight:900;line-height:1.1;margin:8px 0}
dialog .row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:16px}
dialog input{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:#0a1226;color:var(--text);font-size:17px;margin-top:10px}
.err{color:#fca5a5;min-height:20px;font-size:14px;margin-top:6px}
/* BlockRush 3D */
.stage{max-width:720px}
#board{cursor:crosshair;touch-action:none}
.ctrl{display:flex;gap:6px;justify-content:center;max-width:720px;width:100%;margin:0 auto;padding:8px 10px 0}
.ctrl button{flex:1;min-height:48px;background:var(--panel);border:1px solid var(--line);color:var(--text);border-radius:12px;font-size:20px;font-weight:800;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1;padding:4px 2px}
.ctrl button span{font-size:10px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-top:3px}
.ctrl button.on{border-color:var(--a1);box-shadow:0 0 0 2px #38bdf855 inset}
.ctrl .drop{flex:1.6;font-size:16px;background:linear-gradient(135deg,#38bdf8,#a78bfa);color:#0a1226;border:0}
.ctrl .drop.hot{background:linear-gradient(135deg,#facc15,#f472b6)}
.ctrl .drop:disabled{opacity:.4;cursor:default}
#pop{position:absolute;left:50%;top:14%;transform:translate(-50%,0);font-weight:900;font-size:clamp(18px,4.6vw,28px);color:#fff;text-shadow:0 2px 12px #000a;pointer-events:none;opacity:0;white-space:nowrap}
#pop.show{animation:pop 1s ease-out}
@keyframes pop{0%{opacity:0;transform:translate(-50%,10px) scale(.9)}15%{opacity:1;transform:translate(-50%,0) scale(1.06)}70%{opacity:1}100%{opacity:0;transform:translate(-50%,-26px)}}
.tips,.nogl{position:absolute;left:12px;right:12px;top:12px;background:#0f1a33ee;border:1px solid var(--line);border-radius:14px;padding:14px 16px;font-size:14px;line-height:1.45;backdrop-filter:blur(4px)}
.tips ol{margin:8px 0;padding-left:20px}.tips li{margin:4px 0}.tips p{font-size:12px;margin:6px 0 10px}
.nogl{text-align:center;top:30%}
@media (max-width:440px){.hud .stat{min-width:60px}.hud .stat b{font-size:19px}.hud .home{font-size:16px}}