:root{color-scheme:light;--ink:#142a39;--muted:#526573;--bg:#edf2f5;--line:#ccd7df;--yellow:#f3dd55;--blue:#164e6b;--green:#146347;--red:#a02b3b;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);font-size:16px;line-height:1.5}
*{box-sizing:border-box}body{margin:0}button,input,a{touch-action:manipulation}button{font:inherit;cursor:pointer;border:1px solid transparent;border-radius:9px;padding:12px 20px;color:#fff;background:var(--ink);font-weight:650;min-height:48px}button:hover{background:#25485d}button:disabled{opacity:.45;cursor:default}button.secondary{background:white;color:var(--ink);border-color:var(--line)}button.secondary:hover{background:#f2f6f8}button.accent{background:var(--yellow);color:var(--ink)}a{color:var(--blue);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #08749f;outline-offset:4px}.site-header{max-width:1200px;margin:auto;padding:25px 32px;display:flex;justify-content:space-between;align-items:center;gap:24px;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--ink);font-size:20px;font-weight:750}.brand-mark{background:var(--ink);color:var(--yellow);padding:7px 8px;border-radius:7px;font-weight:850;line-height:1.1;border-bottom:4px solid var(--yellow)}.brand-sub{display:block;letter-spacing:.15em;font-size:12px;font-weight:650;margin-top:2px}.handbook{font-size:14px;font-weight:600}main{max-width:1200px;margin:0 auto;padding:36px 32px 48px;min-height:75vh}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(30px,4vw,45px);letter-spacing:-.035em;line-height:1.16;margin-bottom:12px}h2{line-height:1.3;letter-spacing:-.02em}h3{line-height:1.4}.eyebrow{font-size:13px;letter-spacing:.13em;font-weight:750;text-transform:uppercase;color:var(--muted);margin-bottom:12px}.lead{color:var(--muted);max-width:680px;font-size:17px}.overview{display:flex;gap:24px;align-items:center;justify-content:space-between;margin-bottom:30px}.overview p{margin-bottom:0}.stats{display:flex;gap:22px;flex-shrink:0}.stat strong{display:block;font-size:28px;font-variant-numeric:tabular-nums;line-height:1.2}.stat span{font-size:14px;color:var(--muted)}.home-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px;align-items:start}.test-list{display:grid;gap:12px}.test-row{background:white;border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;gap:20px;padding:22px}.test-number{font-size:27px;letter-spacing:-.05em;font-weight:800;color:#697d8b;min-width:38px}.test-info{flex:1}.test-info h2{font-size:19px;margin:0 0 4px}.test-info p{font-size:14px;color:var(--muted);margin:0}.test-actions{display:flex;gap:8px;flex-direction:column;align-items:stretch}.test-actions button{font-size:14px;padding:9px 15px;min-height:44px}.test-actions .text-button{background:transparent;color:var(--blue);padding:0;min-height:28px;border:0}.score-tag{display:inline-block;font-size:13px;background:#e9f5ef;color:var(--green);padding:2px 8px;border-radius:4px;margin-top:8px;font-weight:650}.guide{background:var(--ink);color:white;border-radius:12px;padding:26px;border-top:5px solid var(--yellow)}.guide .eyebrow{color:var(--yellow)}.guide h2{font-size:26px}.guide ol{padding-left:22px;margin:0}.guide li{padding:0 0 18px 6px;color:#dbe5eb}.guide li::marker{color:var(--yellow);font-weight:750}.guide strong{color:white;display:block}.guide p{font-size:14px;color:#c9d8e2;margin:8px 0 0}.sources{margin-top:22px;font-size:14px;color:var(--muted)}.sources a{display:block;margin-top:10px}.session-note{font-size:13px;color:var(--muted);margin:20px 0 0}.notice{border-left:4px solid #b08300;background:#fff8d9;padding:16px;margin-bottom:20px;border-radius:4px}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px}.toolbar button{padding:8px 14px;font-size:14px;min-height:42px}.toolbar .eyebrow{margin:0}.exam-grid{display:grid;grid-template-columns:minmax(0,1fr) 264px;gap:28px;align-items:start}.question-card{background:white;border:1px solid var(--line);border-radius:14px;padding:32px}.question-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:14px;color:var(--muted);margin-bottom:24px}.question-count{font-weight:700;color:var(--blue)}fieldset{border:0;margin:0;padding:0;min-width:0}legend{font-size:clamp(23px,2.6vw,29px);font-weight:700;line-height:1.4;letter-spacing:-.025em;padding:0;margin-bottom:28px;width:100%}.options{display:grid;gap:12px}.option{display:flex;align-items:center;gap:14px;border:1px solid var(--line);border-radius:9px;padding:19px 17px;cursor:pointer;min-height:70px;line-height:1.45}.option:hover{border-color:#497892;background:#f7fafc}.option:has(input:checked){background:#eef6fa;border:2px solid var(--blue);padding:18px 16px}.option input{appearance:none;flex-shrink:0;margin:0;width:22px;height:22px;border:2px solid #869ba8;border-radius:50%}.option input:checked{border:6px solid var(--blue);background:white}.option-letter{font-size:13px;color:var(--muted);font-weight:750}.question-nav{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:28px}.question-nav button{min-width:110px}.question-foot{font-size:14px;color:var(--muted);margin:22px 0 0}.answer-sheet{background:#e2eaf0;border:1px solid var(--line);border-radius:12px;padding:22px}.answer-sheet h2{font-size:18px;margin-bottom:6px}.answer-sheet p{font-size:14px;color:var(--muted)}progress{display:block;width:100%;height:7px;border:0;border-radius:10px;margin:15px 0 22px;accent-color:var(--blue);overflow:hidden}progress::-webkit-progress-bar{background:#c6d3dc}progress::-webkit-progress-value{background:var(--blue)}.question-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.question-grid button{padding:0;min-height:36px;font-size:14px;font-variant-numeric:tabular-nums;border:1px solid #bbcbd6;background:#f7fafc;color:var(--ink);border-radius:6px}.question-grid .answered{background:var(--blue);color:white;border-color:var(--blue)}.question-grid .current{outline:3px solid #b69a00;outline-offset:2px}.legend{margin:18px 0!important;font-size:13px!important}.submit-wide{width:100%;margin-top:4px}.results-header{background:var(--ink);color:white;padding:30px;border-radius:14px;display:flex;gap:32px;align-items:center;margin-bottom:26px;border-top:5px solid var(--yellow)}.results-score{font-size:56px;font-weight:800;letter-spacing:-.06em;line-height:1}.results-score small{font-size:19px;color:#b7cad6;font-weight:500;letter-spacing:0}.results-header h1{font-size:30px;margin-bottom:8px}.results-header p{color:#dae6ed;margin:0}.result-controls{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:24px}.actions{display:flex;gap:10px;flex-wrap:wrap}.filter-group{display:flex;gap:0;border:1px solid var(--line);border-radius:9px;overflow:hidden}.filter-group button{border-radius:0;min-height:44px;padding:9px 16px;font-size:14px;background:white;color:var(--ink)}.filter-group button[aria-pressed=true]{background:var(--ink);color:white}.review-list{display:grid;gap:20px}.review-card{padding:26px;background:white;border:1px solid var(--line);border-left:4px solid var(--red);border-radius:10px}.review-card.correct{border-left-color:var(--green)}.review-meta{display:flex;justify-content:space-between;align-items:center;gap:10px;color:var(--muted);font-size:13px;font-weight:650;margin-bottom:16px}.review-card h3{font-size:20px;margin:0 0 18px}.review-choice{padding:10px 14px;margin:8px 0;border-radius:6px;font-size:16px}.review-choice.wrong{background:#fbeef0;color:#882437}.review-choice.right{background:#e9f5ef;color:#165c44}.explanation{border-top:1px solid #e3e9ed;margin:20px 0 12px;padding-top:18px;color:#3d5464}.explanation strong{display:block;color:var(--ink);margin-bottom:5px}.review-card a{font-size:14px}.empty-result{background:white;border:1px solid var(--line);padding:28px;border-radius:12px}.empty-result h2{margin-bottom:8px}.empty-result p{margin:0;color:var(--muted)}footer{max-width:1200px;margin:0 auto;padding:24px 32px 32px;border-top:1px solid var(--line);color:var(--muted);font-size:13px;display:flex;flex-direction:column;gap:5px}.skip{position:fixed;left:12px;top:-100px;background:white;padding:15px;z-index:10}.skip:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}dialog{max-width:470px;width:calc(100% - 32px);padding:28px;border:1px solid var(--line);border-radius:14px;color:var(--ink)}dialog::backdrop{background:#142a3999}dialog p{color:var(--muted)}dialog h2{font-size:24px}dialog .actions{justify-content:flex-end}
@media(max-width:900px){.home-grid{grid-template-columns:minmax(0,1fr) 230px;gap:20px}.test-row{gap:14px;padding:18px}.stats{gap:15px}.exam-grid{grid-template-columns:minmax(0,1fr) 220px;gap:18px}.answer-sheet{padding:18px}.question-card{padding:24px}.question-grid{gap:7px}.guide{padding:20px}}
@media(max-width:700px){.site-header{padding:18px 20px}.brand{font-size:17px}.brand-sub{font-size:12px;letter-spacing:.065em}.handbook{font-size:13px}main{padding:28px 20px 36px}.overview{display:block;margin-bottom:24px}.stats{margin-top:22px;gap:30px}.stat strong{font-size:25px}.home-grid,.exam-grid{grid-template-columns:1fr}.guide{margin-top:8px}.guide ol{display:grid;gap:4px}.test-row{gap:12px}.test-number{font-size:23px;min-width:28px}.test-info h2{font-size:17px}.test-actions button{padding:9px 11px;white-space:nowrap}.test-info p{font-size:14px}.question-card{padding:23px 20px}.question-meta{margin-bottom:20px;gap:8px}.question-nav button{padding:11px 15px;min-width:0}.answer-sheet{padding:22px}.question-grid{grid-template-columns:repeat(10,1fr);gap:9px}.question-grid button{min-height:33px}.results-header{align-items:flex-start;gap:20px;padding:24px;flex-direction:column}.results-score{font-size:48px}.results-header h1{font-size:28px}.result-controls{align-items:stretch}.review-card{padding:20px}.review-meta{flex-wrap:wrap}.toolbar{align-items:flex-start}.toolbar .eyebrow{text-align:right;font-size:12px}.option{padding:17px 13px}.option:has(input:checked){padding:16px 12px}footer{padding:22px 20px}}
@media(max-width:400px){.question-grid{grid-template-columns:repeat(6,1fr)}.test-row{flex-wrap:wrap}.test-actions{flex-direction:row;width:100%;padding-left:40px}.stats{gap:22px}.brand-sub{letter-spacing:.09em}}
@media(prefers-reduced-motion:no-preference){button,.option{transition:background .12s,border-color .12s}}

.active-note{color:var(--blue)!important;margin-top:6px!important;font-weight:600}.result-goal{font-size:14px;margin-top:10px!important;color:#c9d8e2!important}
.question-card,.answer-sheet{min-width:0}.option>span:last-child{min-width:0;overflow-wrap:anywhere}.question-nav{flex-wrap:wrap}.question-nav button{max-width:100%}
@media(max-width:700px){.home-grid,.exam-grid{grid-template-columns:minmax(0,1fr)}}