*{box-sizing:border-box}html{background:#f7f9fb}body{margin:0;color:#243047;font:15px Arial,Helvetica,sans-serif}button{font:inherit;cursor:pointer}button:disabled{opacity:.45;cursor:default}button:focus-visible,a:focus-visible{outline:3px solid #8b60ee;outline-offset:4px}.app{max-width:1050px;margin:auto;padding:18px 24px 24px}.nav{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.nav a{font-size:12px;color:#657389;text-decoration:none}.nav a:hover{text-decoration:underline}.help{width:28px;height:28px;border:1px solid #dae1e9;border-radius:50%;background:#fff;color:#657389;font-weight:bold}.topbar{display:flex;justify-content:space-between;gap:20px;padding:17px 20px;background:#fff;border:1px solid #e2e7ee;border-radius:12px;box-shadow:0 3px 5px #2735480d}.topbar h1{margin:0 0 5px;font-family:Georgia,serif;font-size:24px;letter-spacing:-.5px}.topbar p{font-size:12px;color:#62738c;margin:0;min-height:14px}.round-info{display:flex;flex-direction:column;align-items:flex-end;gap:6px;white-space:nowrap}.round-info strong{font-size:17px;font-variant-numeric:tabular-nums}.round-info span{font-size:11px;color:#8a98ad}.stagebar{display:flex;justify-content:space-between;gap:12px;min-height:37px;align-items:center;padding:8px 4px;color:#8793a5;font-size:11px}.stagebar #remaining{font-variant-numeric:tabular-nums}.board{background:#fff;border:1px solid #e0e7ed;border-radius:24px;padding:65px 35px 37px;box-shadow:0 14px 18px #202d3712}.slot-row{display:grid;grid-template-columns:minmax(0,1fr) 245px;gap:14px;margin-bottom:17px}.slot{position:relative;min-height:148px;border:2px solid #e0e8f1;border-radius:17px;background:#f8fafc;overflow:hidden}.slot.active{border-color:#c8b7ef;background:#fcfaff}.slot-label{position:absolute;top:14px;left:14px;font-size:10px;letter-spacing:1.5px;font-weight:bold;color:#9baac0}.stimulus{display:flex;align-items:center;justify-content:center;width:100%;height:146px}.stimulus svg{width:123px;height:123px;overflow:visible}.rule{background:#f6f2ff;border:1px solid #e3d9ff;border-radius:14px;padding:26px 15px;display:flex;flex-direction:column;justify-content:center;color:#6030ac}.rule>span{font-size:9px;letter-spacing:1.4px;font-weight:700;color:#8b4ef3}.rule p{font-size:13px;line-height:1.5;margin:7px 0 0;font-weight:500}.time-track{height:3px;background:#f0edf6;border-radius:3px;margin-top:21px;overflow:hidden}#time-fill{width:100%;height:100%;background:#b19bdf;transform-origin:left;transform:scaleX(0)}.responses{display:flex;justify-content:center;gap:16px;margin:25px 0 0}.answer{background:#fff;border:2px solid #d3ddea;border-radius:12px;min-width:126px;min-height:58px;color:#65718a;font-size:13px;font-weight:600;box-shadow:0 2px 4px #27354807;touch-action:manipulation}.answer kbd{font:700 20px Arial,sans-serif;color:#35465b;margin:0 6px}.answer:hover:not(:disabled){border-color:#b4a1d9;background:#fcfaff}.start{border:0;background:#6c42b4;color:white;min-height:48px;padding:13px 25px;border-radius:12px;font-weight:600}.start:hover{background:#593298}.status{min-height:22px;text-align:center;font-size:13px;margin:16px 0 7px;color:#6b7b90}.status.correct{color:#23725c}.status.incorrect{color:#af4b64}.key-hint{text-align:center;font-size:11px;color:#93a0b2;margin:0 0 25px}footer{font-size:10px;color:#8d9bb0;margin-top:38px;padding-top:20px;border-top:1px solid #e7ecf2;line-height:1.6}[hidden]{display:none!important}.faded{opacity:.32}.concealed{visibility:hidden!important}dialog{border:1px solid #e3deeb;border-radius:20px;max-width:520px;width:calc(100% - 32px);padding:34px;background:#fff;color:#344158;box-shadow:0 20px 70px #24304730}dialog::backdrop{background:#24304770;backdrop-filter:blur(4px)}.close-help{position:absolute;right:15px;top:10px;background:none;border:0;font-size:26px;color:#8893a5}.eyebrow{color:#8b60bf;font-size:10px;font-weight:700;letter-spacing:1.6px}h2{font-family:Georgia,serif;font-size:29px;letter-spacing:-.5px;font-weight:600;margin:14px 0}dialog p{font-size:13px;line-height:1.65}.instruction-rule{display:flex;gap:17px;padding:13px 15px;border-radius:10px;background:#f6f2ff;margin:10px 0;font-size:12px;line-height:1.65}.instruction-rule>b{font-size:10px;min-width:55px;color:#6c42b4}.instruction-note{color:#8a94a5;font-size:11px!important}dialog .start{width:100%;margin-top:9px}.results{background:#fff;border:1px solid #e0e7ed;border-radius:22px;padding:34px;margin-top:27px}.results>p{font-size:14px;color:#6f7d91;line-height:1.6}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:25px 0}.stat{background:#f7f4fc;padding:18px;border-radius:12px;font-size:11px;color:#7f718e}.stat strong{display:block;font-size:28px;font-weight:500;color:#463256;margin-bottom:6px}.table-wrap{overflow-x:auto;margin:24px 0}table{width:100%;border-collapse:collapse;text-align:left;font-size:12px;color:#65718a}caption{color:#394357;font-size:13px;font-weight:600;text-align:left;margin-bottom:10px}th,td{padding:12px 9px;border-bottom:1px solid #ecedf4}th{font-weight:600;color:#8a94a5;white-space:nowrap}.result-note{font-size:12px!important}.return{font-size:12px;color:#6c42b4;margin-left:20px;text-underline-offset:4px}
@media(max-width:760px){.app{padding:14px}.board{padding:40px 22px 25px}.slot-row{grid-template-columns:minmax(0,1fr) 175px}.rule{padding:18px 12px}.rule p{font-size:11px}.slot,.stimulus{min-height:136px;height:136px}.slot-label{font-size:8px;top:11px;left:11px;letter-spacing:1px}.stimulus svg{width:108px;height:108px}}
@media(max-width:480px){.topbar{padding:14px;gap:12px}.topbar h1{font-size:22px}.topbar p{font-size:10px;line-height:1.5;min-height:30px}.round-info strong{font-size:15px}.round-info span{font-size:10px}.board{padding:26px 14px 22px;border-radius:19px}.slot-row{grid-template-columns:minmax(0,1fr) 125px;gap:9px;margin-bottom:13px}.rule{padding:14px 9px;border-radius:12px}.rule>span{font-size:7px;letter-spacing:.8px}.rule p{font-size:10px}.slot,.stimulus{min-height:122px;height:122px}.stimulus svg{width:90px;height:90px}.slot-label{font-size:7px}.responses{margin-top:23px;gap:12px}.answer{min-width:112px;min-height:55px}.stats{grid-template-columns:repeat(2,1fr);gap:10px}.results{padding:23px 18px}.stat{padding:15px}h2{font-size:25px}dialog{padding:30px 24px}.stagebar{font-size:10px}.return{margin-left:12px}}
@media(prefers-reduced-motion:reduce){dialog::backdrop{backdrop-filter:none}}