@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap');
:root{font-family:Roboto,Arial,sans-serif;color:#202124;background:#fff}*{box-sizing:border-box}body{margin:0}header{height:72px;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:0 32px;border-bottom:1px solid #dadce0}.brand{display:flex;align-items:center;gap:16px;color:#5f6368;font-size:22px;text-decoration:none}.brand-title{border-left:1px solid #dadce0;padding-left:16px}.google-logo{font-family:Arial,sans-serif;font-weight:500;font-size:29px;letter-spacing:-1.8px;display:inline-flex}.google-logo span:nth-child(1),.google-logo span:nth-child(4){color:#4285f4}.google-logo span:nth-child(2),.google-logo span:nth-child(6){color:#ea4335}.google-logo span:nth-child(3){color:#fbbc05}.google-logo span:nth-child(5){color:#34a853}.badge{font-size:12px;color:#5f6368;background:#f1f3f4;padding:6px 10px;border-radius:4px}main{display:grid;grid-template-columns:280px 1fr;max-width:1600px;margin:auto;min-height:calc(100vh - 72px)}aside{background:#f8f9fa;border-right:1px solid #dadce0;padding:28px 22px}.back-link{font-size:14px;color:#1a73e8;text-decoration:none;display:block;margin-bottom:34px}.eyebrow,.course-label{font-size:11px;letter-spacing:.7px;font-weight:500;color:#5f6368}h1{font-size:21px;font-weight:500;line-height:1.4;margin:12px 0 4px}.intro{font-size:14px;color:#5f6368;margin:0 0 32px}ol{list-style:none;padding:0;margin:10px 0 36px}li{display:flex;align-items:center;gap:10px;font-size:13px;line-height:1.5;padding:12px 0;color:#3c4043}li span{color:#5f6368;font-size:11px;flex-shrink:0;border:1px solid #dadce0;display:grid;place-items:center;width:23px;height:23px;border-radius:50%}.note{font-size:12px;line-height:1.6;border-top:1px solid #dadce0;padding-top:20px;color:#5f6368}.note strong{font-weight:500;color:#3c4043}.note p{margin:8px 0 12px}.note a{color:#1a73e8;text-decoration:none}.workspace{padding:28px 48px 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10px;border:1px solid #dadce0;border-radius:4px;font:inherit;font-size:13px}.small{font-size:12px;color:#5f6368;line-height:1.6}button{font:inherit;font-weight:500;font-size:14px;padding:11px 24px;border-radius:4px;cursor:pointer;border:1px solid transparent;min-height:40px}.primary{background:#1a73e8;color:#fff}.primary:hover{background:#1765cc;box-shadow:0 1px 3px #0002}.primary:disabled{color:#80868b;background:#f1f3f4;cursor:default;box-shadow:none}.secondary{background:white;border-color:#dadce0;color:#1a73e8}.secondary:hover{background:#f8faff}.actions{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-top:28px}.meta{display:flex;justify-content:space-between;gap:14px;color:#5f6368;font-size:13px}.track{height:4px;background:#e8eaed;border-radius:4px;margin:20px 0 30px;overflow:hidden}.track div{height:100%;background:#1a73e8;transition:width .2s}.question{font-size:22px;font-weight:500;line-height:1.55;min-height:60px;margin:22px 0 24px}.options{border:0;padding:0;margin:0;display:grid;gap:4px}.option{display:flex;gap:16px;align-items:center;padding:15px 12px;border:1px solid transparent;border-radius:4px;font-size:15px;font-weight:400;color:#202124;line-height:1.5;cursor:pointer}.option:hover{background:#f8f9fa}.option:has(input:checked){background:#e8f0fe}.option input{width:19px;height:19px;accent-color:#1a73e8;flex-shrink:0;margin:0}.option.correct{background:#e6f4ea}.option.wrong{background:#fce8e6}.feedback{background:#e6f4ea;padding:18px;font-size:14px;line-height:1.6;margin-top:24px;border-radius:4px}.feedback strong{display:block;margin-bottom:5px;font-weight:500}.feedback.error{background:#fce8e6}.end{background:transparent;color:#1a73e8;padding:4px 0;min-height:30px;font-size:12px}.result-row{display:flex;justify-content:space-between;gap:20px;padding:15px 0;border-bottom:1px solid #e8eaed;font-size:13px}.review{padding:20px;background:#f8f9fa;border:1px solid #e8eaed;border-radius:4px;margin-top:20px}.review h3{font-size:16px;font-weight:500}.review p{font-size:13px}footer{font-size:11px;color:#80868b;line-height:1.8;text-align:center;margin-top:28px}footer span{font-size:10px}:focus-visible{outline:3px solid #a8c7fa;outline-offset:3px}.question:focus{outline:none}@media(max-width:1050px){main{grid-template-columns:245px 1fr}.workspace{padding:28px}.setup{grid-template-columns:1fr}}@media(max-width:700px){header{height:64px;padding:0 16px}.brand{font-size:17px;gap:10px}.brand-title{padding-left:10px}.google-logo{font-size:26px}.badge{font-size:9px;padding:5px 7px}main{display:block}aside{padding:20px;border-right:0;border-bottom:1px solid #dadce0}.back-link,.eyebrow,.course-label,aside ol,.note{display:none}h1{font-size:18px;margin:0}.intro{margin:5px 0 0;font-size:12px}.workspace{padding:22px 16px}.topline{font-size:11px;margin-bottom:20px}.card{padding:24px 20px}.question{font-size:19px}.option{font-size:14px;padding:14px 8px}.stats{gap:25px}h2{font-size:24px}.actions{flex-wrap:wrap}.setup{gap:20px}.meta{font-size:12px}}

.google-logo-image{width:92px;height:31px;object-fit:contain}@media(max-width:700px){.google-logo-image{width:80px;height:27px}}