:root{--bg1:#1c1450;--bg2:#0d0b26;--ink:#fff;--muted:#a9a6d6;--line:#ffffff1f;--panel:#ffffff12;--yellow:#ffe14d;--coral:#ff4d6d;--cyan:#3de1ff;--green:#3ddc84;--font:-apple-system, "SF Pro Display", system-ui, Roboto, sans-serif;--safe-t:env(safe-area-inset-top,0px);--safe-b:env(safe-area-inset-bottom,0px)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{background:var(--bg2);height:100%;color:var(--ink);overscroll-behavior:none;-webkit-user-select:none;user-select:none;margin:0;font-family:-apple-system,SF Pro Display,system-ui,Roboto,sans-serif}body{background:radial-gradient(120% 70% at 50% 0%, var(--bg1), var(--bg2) 70%)}#app{max-width:480px;height:100%;margin:0 auto;position:relative}.screen{padding:calc(18px + var(--safe-t)) 20px calc(20px + var(--safe-b));flex-direction:column;align-items:stretch;gap:14px;animation:.25s fade;display:flex;position:absolute;inset:0;overflow-y:auto}.hidden{display:none!important}.muted{color:var(--muted)}.tiny{text-align:center;font-size:11px}@keyframes fade{0%{opacity:0;transform:translateY(8px)}}.btn{appearance:none;font:800 17px/1 var(--font);color:var(--ink);background:var(--panel);border:0;border:1px solid var(--line);cursor:pointer;border-radius:18px;padding:16px 18px}.btn.primary{background:var(--yellow);color:#1b1240;border:0;box-shadow:0 8px 24px #ffe14d40}.btn.ghost{background:0 0}.btn:disabled{opacity:.4}.row{gap:10px;display:flex}.row .btn{flex:1}.logo{text-align:center;margin-top:8vh}.logo h1{letter-spacing:-2px;background:linear-gradient(90deg, var(--yellow), var(--coral));color:#0000;filter:drop-shadow(0 6px 24px #ff4d6d59);-webkit-background-clip:text;margin:0;font-size:64px;font-style:italic;font-weight:900}.logo .bolt{font-size:40px;animation:2.4s infinite zap;display:block}.logo p{color:var(--muted);margin:6px 0 0;font-weight:600}@keyframes zap{0%,90%,to{transform:scale(1)}93%{transform:scale(1.25)rotate(-8deg)}96%{transform:scale(.95)}}.chip{color:var(--yellow);align-self:center;min-height:20px;font-weight:800}.card{background:var(--panel);border:1px solid var(--line);text-align:center;border-radius:24px;flex-direction:column;gap:10px;padding:22px;display:flex}.card h2{margin:0;font-size:20px;line-height:1.3}.card p{margin:0}.big-score{color:var(--yellow);font-size:44px;font-weight:900}.test{opacity:.8;flex-direction:column;gap:6px;margin-top:auto;display:flex}.test .btn{padding:10px;font-size:13px}#lobby{text-align:center;justify-content:center;align-items:center}.lobby-title{color:var(--muted);letter-spacing:2px;text-transform:uppercase;margin:0;font-weight:800}.countdown{font-variant-numeric:tabular-nums;letter-spacing:-3px;font-size:96px;font-weight:900}.lobby-ready{min-height:28px;color:var(--yellow);margin:0;font-size:24px;font-weight:900}.pulse{background:radial-gradient(circle,#ffe14d59,#0000 70%);border-radius:50%;place-items:center;width:120px;height:120px;font-size:54px;animation:1.2s infinite pulse;display:grid}#lobby.ready .pulse{animation-duration:.5s}#lobby.ready .countdown{color:var(--coral)}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.12)}}.lobby-wait{font-size:18px;font-weight:800}#intro{text-align:center;justify-content:center;align-items:center}.intro-n{color:var(--muted);letter-spacing:3px;margin:0;font-weight:900}.intro-icon{font-size:88px;animation:.45s cubic-bezier(.2,1.6,.4,1) pop}.intro-name{margin:0;font-size:36px;font-weight:900}.intro-hint{color:var(--muted);margin:0;font-size:18px;font-weight:600}@keyframes pop{0%{opacity:0;transform:scale(.3)}}.play-head{color:var(--muted);justify-content:space-between;align-items:center;font-weight:800;display:flex}.play-head b{color:var(--yellow);font-size:20px}.stage{flex-direction:column;flex:1;gap:16px;display:flex}.tbar{background:var(--panel);border-radius:6px;height:10px;overflow:hidden}.tbar i{background:linear-gradient(90deg, var(--cyan), var(--yellow));transform-origin:0;height:100%;display:block}.tbar.low i{background:var(--coral)}.head{text-align:center;margin-top:4vh}.q{font-size:23px;font-weight:800;line-height:1.3}.q.small{color:var(--muted);font-size:18px}.big{font-variant-numeric:tabular-nums;font-size:56px;font-weight:900}.opts{flex-direction:column;gap:10px;display:flex}.opts.grid2{grid-template-columns:1fr 1fr;display:grid}.opt{appearance:none;border:1px solid var(--line);background:var(--panel);color:var(--ink);font:800 19px/1.2 var(--font);cursor:pointer;border-radius:18px;padding:18px 14px;transition:transform 80ms}.opt:active{transform:scale(.97)}.opt.right{background:var(--green);color:#052;border-color:#0000}.opt.bad{background:var(--coral);border-color:#0000}.mini-score{text-align:center;color:var(--muted);white-space:pre;min-height:20px;font-weight:800}.seq{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.seq b{background:var(--panel);font-variant-numeric:tabular-nums;border-radius:14px;min-width:56px;padding:14px 10px;font-size:26px;font-weight:900}.seq b.qm{color:var(--yellow)}.est-val{text-align:center;flex-direction:column;gap:2px;display:flex}.est-val b{color:var(--yellow);font-variant-numeric:tabular-nums;font-size:52px;font-weight:900}.est-val span{color:var(--muted);font-weight:700}.est-val em{color:var(--green);margin-top:6px;font-size:20px;font-style:normal;font-weight:800}.est-slider{width:100%;accent-color:var(--yellow);height:36px}.est-range{color:var(--muted);justify-content:space-between;margin-top:-10px;font-size:13px;font-weight:700;display:flex}.mgrid,.agrid{grid-template-columns:repeat(var(--n), 1fr);gap:8px;display:grid}.cell{aspect-ratio:1;background:var(--panel);cursor:pointer;border:0;border-radius:12px;transition:background .15s}.cell.lit,.cell.reveal{background:var(--cyan)}.cell.hit{background:var(--green)}.cell.miss{background:var(--coral)}.agrid{gap:4px}.acell{aspect-ratio:1;background:var(--panel);color:var(--ink);font:800 clamp(16px, 6vw, 24px)/1 var(--font);cursor:pointer;border:0;border-radius:10px;padding:0}.acell.right{background:var(--green);color:#052}.acell.bad{background:var(--coral)}.slots{flex-wrap:wrap;justify-content:center;gap:6px;display:flex}.slots i{border:2px solid var(--line);width:40px;height:50px;font:900 24px/1 var(--font);border-radius:10px;place-items:center;font-style:normal;display:grid}.slots.win i{background:var(--green);color:#052;border-color:#0000}.slots i.reveal{color:var(--coral)}.slots.shake{animation:.35s shake}@keyframes shake{25%{transform:translate(-8px)}75%{transform:translate(8px)}}.tiles{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.tile{background:var(--yellow);color:#1b1240;width:52px;height:58px;font:900 26px/1 var(--font);cursor:pointer;border:0;border-radius:14px}.tile.used{opacity:.2}.pad{min-height:260px;font:900 32px/1 var(--font);color:#fff;cursor:pointer;border:0;border-radius:28px;flex:1}.pad.wait{background:#3a2f7a}.pad.go{background:var(--green);color:#052}.pad.early{background:var(--coral)}#result{text-align:center}#result p{margin:0}.res-score{color:var(--yellow);font-size:72px;font-weight:900;line-height:1}.res-beat{font-size:18px;font-weight:800}.res-rounds{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.res-rounds li{background:var(--panel);border-radius:14px;justify-content:space-between;padding:12px 16px;font-weight:700;display:flex}.res-rounds b{color:var(--yellow);font-variant-numeric:tabular-nums}.res-hist h3{margin:6px 0 2px}.res-hist p{font-size:13px;margin-bottom:10px!important}.bars{align-items:flex-end;gap:2px;height:120px;margin:26px 0 30px;display:flex;position:relative}.bars i{background:#3de1ff73;border-radius:3px 3px 0 0;flex:1}.mark{width:3px;position:absolute;top:-8px;bottom:0;transform:translate(-50%)}.mark span{white-space:nowrap;font-size:12px;font-weight:800;position:absolute;left:50%;transform:translate(-50%)}.mark.ans{background:var(--green)}.mark.ans span{color:var(--green);top:-18px}.mark.you{background:var(--yellow)}.mark.you span{color:var(--yellow);bottom:-20px}.opt.picked{border-color:var(--yellow);box-shadow:0 0 0 2px var(--yellow) inset}#practice{width:100%;margin-top:12px}