:root{color-scheme:dark;--bg:#07101f;--card:#101f35;--soft:#172b46;--text:#eff8ff;--muted:#bad0e8;--line:#365676;--accent:#70eedb;--accent2:#a1a5ff;--shadow:#010914}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 80% 3%,#173457 0,transparent 46%),linear-gradient(145deg,#081325,#090d1b);color:var(--text);font:16px/1.55 system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;min-height:100vh}button,input,select{font:inherit}a{color:var(--accent)}button,a,select,input{outline-offset:3px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #fad289}.skip{position:absolute;top:-200px;left:12px;z-index:20}.skip:focus{top:12px;background:#fff;color:#000;padding:12px}.topnav{max-width:1300px;margin:auto;padding:22px 4%;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{color:var(--text);font-size:22px;font-weight:900;line-height:1;display:flex;align-items:center;gap:12px;text-decoration:none}.brand .bright{color:var(--accent)}.brand 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select{min-width:220px}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0}.tabs button{background:#152944;border:1px solid #314e69;color:#e0eaf7;padding:13px 18px;border-radius:14px;cursor:pointer;font-weight:800}.tabs button[aria-selected='true']{border-color:var(--accent);background:#1f455b;color:var(--accent)}.tab-panel[hidden],#examLive[hidden],#examSetup[hidden],[hidden]{display:none!important}.two-column{display:grid;grid-template-columns:minmax(0,1.48fr) minmax(270px,.9fr);gap:18px}.panel{min-width:0;border-radius:22px;background:var(--card);border:1px solid var(--line);padding:26px;box-shadow:0 20px 55px #0002}.panel h2{font-size:24px;line-height:1.2;margin:6px 0 14px}.panel h3{font-size:20px;line-height:1.35}.panel>p{color:var(--muted)}.section-head{display:flex;justify-content:space-between;align-items:start;gap:12px}.topic-line{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:17px 0}.topic-line label{color:var(--muted);font-size:13px}.topic-chip{display:inline-block;border-color:#5771ac;margin-top:10px}.step-list{margin:22px 0}.q-step{display:flex;align-items:center;gap:10px;flex-wrap:wrap;border:1px solid #3a5b79;border-radius:15px;padding:12px 15px;margin:9px 0;background:#0d243c}.q-step small{color:#94b6d9;min-width:95px}.q-step strong{font-size:17px;overflow-wrap:anywhere}.q-step>span{margin-left:auto;color:#7af5d7}.input-block{margin-top:18px}.input-block label{display:block;margin-bottom:7px;font-weight:800}.input-block input{width:100%;margin-bottom:10px}.minor{font-size:13px;color:var(--muted);line-height:1.55}.input-block .minor{margin:0 0 9px}.primary,.secondary,.ghost,.import-label{border-radius:12px;padding:11px 15px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:7px;text-decoration:none}.primary{background:#5cddcb;border:1px solid #5cddcb;color:#071f2b}.secondary{background:#253f62;border:1px solid #688eb1;color:#edf5ff}.ghost,.import-label{background:transparent;border:1px solid #547597;color:#cfe7ff}.primary:hover,.secondary:hover,.ghost:hover{filter:brightness(1.12)}.nova-head{display:flex;gap:12px;align-items:center}.nova-eye{width:58px;height:58px;border-radius:50%;background:#24536a;display:grid;place-items:center;font-size:33px;color:var(--accent);border:1px solid #68efd5}.nova-head h2{font-size:21px;margin:3px 0}.nova p{color:var(--muted)}.feedback{margin:20px 0;border-radius:14px;padding:14px 17px;border:1px solid #577998;background:#213653;color:#e7f4ff;min-height:70px}.feedback[data-kind='good']{border-color:#3bbfae;background:#19453d}.feedback[data-kind='bad']{border-color:#ec9c87;background:#52302f}.feedback[data-kind='warn']{border-color:#eac178;background:#4f4029}.note{background:#0c2136;border:1px solid #3f5575;padding:18px;border-radius:17px;margin-top:25px}.note p{font-size:13px;margin-bottom:0}.solution{border-radius:15px;background:#194b43;border:1px solid #59d9bd;padding:18px;color:#e6fff6}.exam-setup{display:flex;flex-wrap:wrap;gap:14px;align-items:end;background:var(--soft);padding:17px;border-radius:16px;margin-top:20px}.exam-setup label{display:flex;flex-direction:column;gap:7px;font-weight:700;color:var(--muted)}.exam-setup label select{min-width:170px}.exam-progress,.skill>div:first-child{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}.exam-progress{margin:20px 0 10px}.exam-question{font-size:clamp(21px,2.7vw,30px)!important;margin:20px 0}.bar{height:11px;background:#293c59;border-radius:99px;overflow:hidden;margin:10px 0 22px}.bar span{display:block;height:100%;background:linear-gradient(90deg,#56ddce,#a8a9ff);border-radius:inherit;transition:width .2s}.exam-question+label{display:block;margin-bottom:6px}.exam-question~input{display:block;width:min(100%,500px)}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.result-hero{padding:23px;border:1px solid #63dbd0;background:linear-gradient(110deg,#174f50,#202b53);border-radius:18px}.result-hero span{font-size:12px;letter-spacing:2px;color:#8deedf}.result-hero h3{font-size:30px;margin:9px 0}.exam-review article{border-bottom:1px solid #3d5878;padding:16px 0}.exam-review article p{margin:7px 0}.report-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:25px 0}.report-summary>div{border:1px solid #45678a;border-radius:15px;padding:18px;background:#122e47}.report-summary b{font-size:28px;display:block}.report-summary span{display:block;color:var(--muted);font-size:13px}.report-topics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:24px}.skill{background:#102a42;border:1px solid #40607a;border-radius:12px;padding:13px}.skill>div:first-child span{color:var(--muted)}.skill .bar{margin:9px 0 2px}.table-scroll{overflow:auto}table{border-collapse:collapse;width:100%;min-width:400px;margin:12px 0 20px}th,td{text-align:left;padding:11px 10px;border-bottom:1px solid #365474}th{color:var(--accent);font-size:12px}.downloads{margin-bottom:18px}.bottom-info{margin-top:32px;padding:25px;border-radius:21px;border:1px solid #426883;background:#0b2035}.bottom-info h2{margin:0}.bottom-info p{color:var(--muted);max-width:1000px}.bottom-info a{font-weight:700}footer{padding:27px 20px 35px;text-align:center;color:#9bb4ce;font-size:13px}
html[data-theme='light']{color-scheme:light;--bg:#f3f7fc;--card:#fff;--soft:#eef5fc;--text:#163451;--muted:#46627b;--line:#bfd1df;--accent:#00766f;--accent2:#3e4dba}html[data-theme='light'] body{background:radial-gradient(circle at 80% 0,#d2eaf9,transparent 46%),#f4f8ff}html[data-theme='light'] .hero{background:linear-gradient(105deg,#e3f2ff,#e2fff4,#eae9ff)}html[data-theme='light'] .hero p{color:#315873}html[data-theme='light'] .grade-line,html[data-theme='light'] .tabs button,html[data-theme='light'] .note,html[data-theme='light'] .q-step,html[data-theme='light'] .skill,html[data-theme='light'] .report-summary>div,html[data-theme='light'] .bottom-info{background:#eaf3fa}html[data-theme='light'] .tabs button[aria-selected='true']{background:#c5f3e9;color:#07534b}html[data-theme='light'] input,html[data-theme='light'] select{background:#fff;color:#183651}html[data-theme='light'] .topic-chip,html[data-theme='light'] .chips span{background:#e1eff8;color:#17415a}html[data-theme='light'] .secondary{background:#d8e8f8;color:#173c5a}html[data-theme='light'] .ghost{color:#17415a}html[data-theme='light'] .feedback{background:#edf5fc;color:#183653}html[data-theme='light'] .feedback[data-kind='good'],html[data-theme='light'] .solution{background:#d9f7ec;color:#114b3e}html[data-theme='light'] .feedback[data-kind='bad']{background:#ffe4e3}html[data-theme='light'] .feedback[data-kind='warn']{background:#fff2d6}html[data-theme='light'] .result-hero{background:linear-gradient(110deg,#e1f9f1,#e9edff)}html[data-theme='light'] footer{color:#426079}
@media(max-width:850px){.hero{grid-template-columns:1fr}.hero-art{display:none}.two-column{grid-template-columns:1fr}.topnav{align-items:flex-start;flex-wrap:wrap}.report-topics{grid-template-columns:1fr}}@media(max-width:550px){main{padding:0 12px 40px}.topnav{padding:17px 13px}.topnav nav{gap:11px}.hero{padding:22px 17px}.panel{padding:17px}.tabs{gap:6px}.tabs button{flex:1 1 100%;padding:11px}.report-summary{grid-template-columns:1fr}.grade-line{padding:12px}.section-head{flex-wrap:wrap}.exam-setup label{width:100%}.exam-setup label select{width:100%}.exam-setup>.primary{width:100%}}