*{box-sizing:border-box;margin:0;padding:0}html,body{min-height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;touch-action:manipulation}#app{min-height:100%;display:flex;align-items:center;justify-content:center;padding:16px}.game{width:min(92vw,420px);display:flex;flex-direction:column;gap:14px}.crumb{font-size:14px}.crumb a{color:var(--accent);text-decoration:none;font-weight:700}.crumb a:hover{text-decoration:underline}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px}.title{font-size:clamp(32px,10vw,48px);font-weight:800;line-height:1;letter-spacing:-1px}.scores{display:flex;gap:8px}.score-box{background:var(--board-bg);color:var(--accent-text);border-radius:6px;padding:6px 14px;text-align:center;min-width:66px}.score-box .label{font-size:11px;text-transform:uppercase;letter-spacing:1px;opacity:.85;font-weight:700}.score-box .value{font-size:22px;font-weight:800;line-height:1.1}.status{font-size:16px;font-weight:700;text-align:center;min-height:22px}.board{position:relative;width:100%;aspect-ratio:1 / 1}.simon{position:relative;width:100%;height:100%;border-radius:50%;background:var(--board-bg);padding:5%;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:4%;overflow:hidden}.pad{border:none;cursor:pointer;opacity:.62;transition:opacity 90ms ease,filter 90ms ease}.pad:hover{opacity:.78}.pad.lit{opacity:1;filter:brightness(1.35) saturate(1.2);box-shadow:0 0 26px 4px #ffffff73 inset}.p0{background:#2ec16b;border-top-left-radius:100%}.p1{background:#e5484d;border-top-right-radius:100%}.p2{background:#f2c744;border-bottom-left-radius:100%}.p3{background:#3b82f6;border-bottom-right-radius:100%}.hub{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:34%;height:34%;border-radius:50%;background:var(--bg);color:var(--text);display:flex;align-items:center;justify-content:center;font-size:clamp(24px,8vw,38px);font-weight:800;box-shadow:0 2px 8px #00000040;pointer-events:none}.overlay{position:absolute;inset:0;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:20px;background:var(--overlay-bg);z-index:10;opacity:0;pointer-events:none;transition:opacity .2s ease}.overlay.show{opacity:1;pointer-events:auto}.overlay .msg{font-size:clamp(26px,8vw,40px);font-weight:800}.overlay.over .msg{color:#e5484d}.overlay .sub{font-size:15px;color:var(--text);opacity:.85}.overlay .actions{display:flex;gap:10px;margin-top:8px}.controls{display:flex;align-items:center;justify-content:space-between;gap:10px}.how{font-size:13px;opacity:.85;flex:1}.how b{font-weight:700}.btn{background:var(--accent);color:var(--accent-text);border:none;border-radius:6px;padding:10px 16px;font-size:14px;font-weight:700;cursor:pointer;white-space:nowrap;transition:filter .12s ease}.btn:hover{filter:brightness(1.05)}.btn:active{filter:brightness(.95)}