:root{color-scheme:light dark;--sg-bg:#f8f6fc;--sg-surface:#fff;--sg-text:#272039;--sg-muted:#665e76;--sg-line:#ddd6e9;--sg-accent:#674299;--sg-accent-dark:#492773;--sg-soft:#efe8f8;--sg-good:#256b50;--sg-good-bg:#e9f5ee;--sg-bad:#943c43;--sg-bad-bg:#fff0f1;--sg-warn:#815e24}
*{box-sizing:border-box}body{margin:0;background:var(--sg-bg);color:var(--sg-text);font:16px/1.65 system-ui,-apple-system,"Segoe UI",sans-serif}button,input,select{font:inherit}button,a,input,select,summary{touch-action:manipulation}button{cursor:pointer;padding:10px 16px;color:var(--sg-accent-dark);background:var(--sg-surface);border:1px solid var(--sg-line);border-radius:10px;font-weight:600}button:hover:not(:disabled){background:var(--sg-soft)}button:disabled{opacity:.5;cursor:not-allowed}button.sg-primary{color:#fff;background:var(--sg-accent);border-color:var(--sg-accent)}button.sg-primary:hover:not(:disabled){background:var(--sg-accent-dark)}a{color:var(--sg-accent);text-underline-offset:3px}input,select{width:100%;border:1px solid var(--sg-line);border-radius:9px;padding:10px 12px;color:var(--sg-text);background:var(--sg-surface)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--sg-accent);outline-offset:3px}h1,h2,h3,p{margin:0}h1{font-size:clamp(26px,4vw,38px);line-height:1.35;letter-spacing:-.035em}h2{font-size:21px;line-height:1.45}h3{font-size:17px;line-height:1.5}p+p{margin-top:10px}[hidden]{display:none!important}.skip{position:absolute;left:12px;top:-100px;padding:9px;background:var(--sg-surface);z-index:10}.skip:focus{top:12px}.sg-header{display:flex;gap:20px;align-items:center;justify-content:space-between;padding:16px max(20px,calc((100% - 1040px)/2));background:var(--sg-surface);border-bottom:1px solid var(--sg-line)}.sg-brand{display:flex;gap:9px;align-items:center;font-weight:750;font-size:22px;text-decoration:none;white-space:nowrap}.sg-brand span{font-size:18px}.sg-header nav{display:flex;gap:18px;flex-wrap:wrap}.sg-header nav a{text-decoration:none;font-size:14px}.sg-header nav a[aria-current]{font-weight:700}main{max-width:1040px;margin:0 auto;padding:30px 20px}.sg-intro{padding:5px 2px 26px}.sg-eyebrow{font-size:13px;letter-spacing:.04em;color:var(--sg-accent);font-weight:700;margin-bottom:6px}.sg-intro>p:not(.sg-eyebrow){max-width:750px;color:var(--sg-muted);margin-top:10px}.sg-chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.sg-chips span{font-size:13px;color:var(--sg-accent-dark);background:var(--sg-soft);padding:5px 12px;border-radius:999px}.sg-progress-panel,.sg-game-shell,.sg-certificate,.sg-source-info{background:var(--sg-surface);border:1px solid var(--sg-line);border-radius:15px;padding:23px;margin-top:18px}.sg-progress-panel{margin-top:0}.sg-progress-heading{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}.sg-progress-heading p{color:var(--sg-muted);font-size:14px}.sg-grade-steps{list-style:none;margin:18px 0 14px;padding:0;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}.sg-grade-steps li{padding:11px 7px;text-align:center;border:1px solid var(--sg-line);border-radius:10px;background:var(--sg-bg);font-size:12px;color:var(--sg-muted)}.sg-grade-steps strong{display:block;color:var(--sg-text);font-size:17px}.sg-grade-steps span{display:block}.sg-grade-steps .sg-grade-current{background:var(--sg-soft);border-color:var(--sg-accent)}.sg-grade-steps .sg-grade-earned{background:var(--sg-good-bg)}.sg-grade-steps .sg-grade-locked{opacity:.65}.sg-small{font-size:12px;color:var(--sg-muted)}.sg-status{font-size:14px;margin:15px 2px;color:var(--sg-muted)}.sg-status.sg-error{color:var(--sg-bad)}.sg-global-controls{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:19px}.sg-global-controls>label{display:block;font-size:13px;font-weight:600;min-width:210px}.sg-global-controls select{display:block;margin-top:5px}.sg-timer{text-align:right;font-size:12px;color:var(--sg-muted)}.sg-timer strong{display:block;font-size:31px;font-variant-numeric:tabular-nums;color:var(--sg-text);line-height:1.35}.sg-timer span{display:block}.sg-timer.sg-timer-low strong{color:var(--sg-bad)}.sg-modes{display:flex;gap:8px;flex-wrap:wrap;padding-bottom:21px;margin-bottom:21px;border-bottom:1px solid var(--sg-line)}.sg-modes button{font-size:14px;flex:1}.sg-modes button[aria-pressed=true]{background:var(--sg-soft);border-color:var(--sg-accent);color:var(--sg-accent-dark)}.sg-mode-heading{display:flex;align-items:flex-start;gap:17px;justify-content:space-between;margin-bottom:20px}.sg-mode-heading p{font-size:14px;color:var(--sg-muted);margin-top:8px;max-width:660px}.sg-mode-heading>button{flex-shrink:0}.sg-question{border:1px solid var(--sg-line);background:var(--sg-bg);border-radius:12px;margin:16px 0 0;padding:16px 18px;min-width:0}.sg-question legend{font-size:13px;font-weight:700;color:var(--sg-accent);padding:0 5px}.sg-prompt{line-height:1.8;overflow-wrap:anywhere;white-space:pre-wrap}.sg-answer-label{display:block;font-size:13px;font-weight:600;margin-top:14px}.sg-answer-label input{display:block;margin-top:5px;max-width:620px}.sg-openbook{margin-top:16px;border-top:1px solid var(--sg-line);padding-top:12px;font-size:13px;color:var(--sg-muted)}.sg-openbook summary{color:var(--sg-accent);cursor:pointer;padding:4px 0;font-weight:600}.sg-openbook-content{padding:10px 0 0}.sg-case-title{font-size:15px;font-weight:700;color:var(--sg-text)}.sg-case-meta{font-size:12px;margin-top:4px;color:var(--sg-muted)}.sg-case-summary{margin-top:10px;white-space:pre-wrap;color:var(--sg-text)}.sg-case-ref{font-size:12px;margin-top:10px}.sg-openbook-content a{display:inline-block;margin-top:8px}.sg-submit-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:22px;border-top:1px solid var(--sg-line);padding-top:18px;font-size:13px;color:var(--sg-muted)}.sg-result{margin-top:25px;padding-top:24px;border-top:1px solid var(--sg-line)}.sg-result>h2{font-size:26px}.sg-result>p{margin-top:8px}.sg-result .sg-passed{color:var(--sg-good)}.sg-result .sg-failed{color:var(--sg-bad)}.sg-certificate-choice{padding:18px;background:var(--sg-soft);border-radius:12px;margin-top:18px}.sg-certificate-choice p{font-size:13px;margin:5px 0 12px;color:var(--sg-muted)}.sg-button-row{display:flex;gap:9px;flex-wrap:wrap}.sg-review-title{margin-top:24px}.sg-review{padding:14px 0;border-bottom:1px solid var(--sg-line);overflow-wrap:anywhere}.sg-review h4{font-size:14px;margin:0 0 6px}.sg-review-correct{color:var(--sg-good)}.sg-review-wrong{color:var(--sg-bad)}.sg-review p{font-size:13px;white-space:pre-wrap}.sg-review-answers{margin:8px 0;color:var(--sg-muted)}.sg-practice-select{margin-top:13px;font-size:14px}.sg-practice-select label{display:block;font-size:13px;margin-bottom:5px}.sg-practice-feedback{margin-top:10px;font-size:13px}.sg-certificate{scroll-margin-top:18px}.sg-certificate>p{font-size:14px;color:var(--sg-muted);margin-top:8px}.sg-identity-fields{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}.sg-identity-fields label{font-size:13px;font-weight:600}.sg-identity-fields input{display:block;margin-top:5px}.sg-source-info h2{font-size:17px}.sg-source-info p{font-size:13px;color:var(--sg-muted);margin-top:10px}.sg-footer{max-width:1040px;margin:0 auto;padding:4px 22px 30px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--sg-muted)}
@media(max-width:700px){.sg-header{padding:14px 16px;gap:12px;flex-wrap:wrap}.sg-header nav{gap:14px}main{padding:22px 14px}.sg-progress-panel,.sg-game-shell,.sg-certificate,.sg-source-info{padding:18px}.sg-grade-steps{grid-template-columns:repeat(3,minmax(0,1fr))}.sg-mode-heading{display:block}.sg-mode-heading>button{margin-top:14px;min-height:44px}.sg-modes button{flex:1 1 180px;min-height:44px}.sg-question{padding:13px 12px}.sg-global-controls>label{min-width:0;flex:1}.sg-timer{max-width:180px}.sg-timer-note{max-width:170px}.sg-identity-fields{grid-template-columns:1fr}.sg-submit-row button{width:100%}button{min-height:44px}input,select{font-size:16px}.sg-global-controls{gap:14px}.sg-button-row button{flex:1 1 160px}.sg-footer{padding:4px 16px 25px}}
@media(max-width:450px){.sg-global-controls{display:block}.sg-timer{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:0 12px;align-items:center;text-align:left;max-width:none;margin-top:14px}.sg-timer strong{grid-column:2;grid-row:1/3;font-size:28px;text-align:right}.sg-timer span{grid-column:1}.sg-progress-panel,.sg-game-shell,.sg-certificate,.sg-source-info{padding:14px}.sg-grade-steps li{padding:9px 4px}.sg-brand{font-size:20px}.sg-header nav{font-size:13px}}
@media(prefers-color-scheme:dark){:root{--sg-bg:#171321;--sg-surface:#211b2c;--sg-text:#eee8f7;--sg-muted:#beb1cf;--sg-line:#45384f;--sg-accent:#ad8cdb;--sg-accent-dark:#cdb0f1;--sg-soft:#362748;--sg-good:#91cdb1;--sg-good-bg:#243b31;--sg-bad:#f0a7ac;--sg-bad-bg:#45282d;--sg-warn:#dbbd8a}button.sg-primary{color:#20112f}button.sg-primary:hover:not(:disabled){color:#20112f}}
.sg-grade-steps.sg-statute-steps{grid-template-columns:repeat(5,minmax(0,1fr))}
@media(max-width:700px){.sg-grade-steps.sg-statute-steps{grid-template-columns:repeat(3,minmax(0,1fr))}}