:root{--quiz-ink:#192232;--quiz-muted:#596779;--quiz-paper:#faf9f5;--quiz-card:#fffefb;--quiz-yellow:#fff0a9;--quiz-green:#d9fbe2;--quiz-green-strong:#176b3a;--quiz-red:#ffe0dc;--quiz-red-strong:#a62c25;--quiz-blue:#eaf4ff}
*{box-sizing:border-box}body{margin:0;background:var(--quiz-paper);color:var(--quiz-ink);font-family:var(--nb-font-primary)}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:4px solid #2563eb;outline-offset:4px}
.quiz-page{width:min(1120px,calc(100% - 36px));margin:0 auto;padding:28px 0 80px}.quiz-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.quiz-back,.quiz-reset,.quiz-notes-link{display:inline-flex;align-items:center;justify-content:center;padding:10px 15px;border:2px solid var(--quiz-ink);background:#fff;color:inherit;box-shadow:4px 4px 0 var(--quiz-ink);text-decoration:none;font-weight:900;cursor:pointer}
.quiz-hero{margin:30px 0 26px;padding:38px 42px;border:3px solid var(--quiz-ink);background:var(--quiz-card);box-shadow:8px 8px 0 var(--quiz-ink);overflow:hidden}.quiz-kicker{display:inline-block;padding:7px 10px;border:2px solid var(--quiz-ink);background:#c8ff77;font:900 12px var(--nb-font-mono);letter-spacing:.08em}.quiz-hero h1{margin:18px 0 10px;font:900 clamp(38px,6vw,68px)/1 var(--nb-font-serif);letter-spacing:-.04em}.quiz-hero p{max-width:800px;margin:0;color:var(--quiz-muted);font-size:18px;line-height:1.65}.core-quiz-coverage{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin-top:18px}.core-quiz-coverage span{padding:7px 8px;border:2px solid var(--quiz-ink);background:var(--quiz-yellow);text-align:center;font:900 11px var(--nb-font-mono)}.quiz-access-status{margin:18px 0 0!important;padding:12px 14px;border:2px dashed var(--quiz-ink);background:var(--quiz-blue);color:var(--quiz-ink)!important;font-size:14px!important;font-weight:850}.quiz-access-status.is-unlocked{background:var(--quiz-green);color:var(--quiz-green-strong)!important}
.quiz-stats{position:sticky;top:12px;z-index:5;display:grid;grid-template-columns:145px 145px 1fr auto;align-items:center;gap:14px;margin-bottom:26px;padding:14px 16px;border:3px solid var(--quiz-ink);background:var(--quiz-blue);box-shadow:6px 6px 0 var(--quiz-ink)}.quiz-stat{display:grid;gap:2px}.quiz-stat span{color:var(--quiz-muted);font:800 11px var(--nb-font-mono);letter-spacing:.07em;text-transform:uppercase}.quiz-stat strong{font-size:22px}.quiz-progress{height:16px;overflow:hidden;border:2px solid var(--quiz-ink);background:#fff}.quiz-progress__bar{width:0;height:100%;background:#45b96c;transition:width .25s ease}.quiz-reset{min-height:44px;font:900 14px var(--nb-font-primary)}
.quiz-list{display:grid;gap:22px}.quiz-card{padding:24px;border:3px solid var(--quiz-ink);background:var(--quiz-card);box-shadow:6px 6px 0 var(--quiz-ink);overflow:hidden}.quiz-card__meta{display:flex;align-items:center;gap:9px;margin-bottom:12px}.quiz-card__number,.quiz-card__difficulty{display:inline-flex;align-items:center;justify-content:center;border:2px solid var(--quiz-ink);background:var(--quiz-yellow);font:900 12px var(--nb-font-mono)}.quiz-card__number{min-width:42px;height:32px}.quiz-card__difficulty{min-height:30px;padding:4px 9px;letter-spacing:.05em}.quiz-card h2{margin:0 0 18px;font:800 21px/1.5 var(--nb-font-primary);overflow-wrap:anywhere}.quiz-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.quiz-option{display:grid;grid-template-columns:34px minmax(0,1fr);gap:10px;align-items:center;min-height:58px;padding:11px 13px;border:2px solid var(--quiz-ink);background:#fff;color:var(--quiz-ink);text-align:left;white-space:normal;cursor:pointer}.quiz-option__letter{display:inline-flex;width:32px;height:32px;align-items:center;justify-content:center;border:2px solid var(--quiz-ink);background:var(--quiz-yellow);font:900 13px var(--nb-font-mono)}.quiz-option__copy{min-width:0;line-height:1.45;font-weight:750;overflow-wrap:anywhere}.quiz-option__status{display:block;margin-top:4px;font:900 11px var(--nb-font-mono)}.quiz-option:disabled{cursor:default;opacity:1}.quiz-option.is-correct{border-color:var(--quiz-green-strong);background:var(--quiz-green);box-shadow:4px 4px 0 var(--quiz-green-strong);color:#103d25}.quiz-option.is-wrong{border-color:var(--quiz-red-strong);background:var(--quiz-red);box-shadow:4px 4px 0 var(--quiz-red-strong);color:#591a17}.quiz-feedback{display:none;margin-top:16px;padding:15px 17px;border:2px dashed var(--quiz-ink);line-height:1.65}.quiz-feedback.is-visible{display:block}.quiz-feedback.is-correct{background:var(--quiz-green)}.quiz-feedback.is-wrong{background:var(--quiz-red)}.quiz-feedback strong{display:block;margin-bottom:3px}
.quiz-paywall{padding:clamp(28px,6vw,58px);border:3px solid var(--quiz-ink);background:var(--quiz-yellow);box-shadow:8px 8px 0 var(--quiz-ink);text-align:center}.quiz-paywall__badge{display:inline-flex;padding:7px 10px;border:2px solid var(--quiz-ink);background:#fff;font:900 12px var(--nb-font-mono)}.quiz-paywall h2{margin:18px 0 12px;font:900 clamp(30px,5vw,48px)/1.08 var(--nb-font-serif)}.quiz-paywall>p{max-width:680px;margin:0 auto;font-size:17px;line-height:1.7}.quiz-paywall__button{min-height:54px;margin:24px auto 14px;padding:13px 22px;border:3px solid var(--quiz-ink);background:#635bff;color:#fff;box-shadow:5px 5px 0 var(--quiz-ink);font:900 16px var(--nb-font-primary);cursor:pointer}.quiz-paywall .quiz-paywall__note{max-width:620px;color:#443f25;font-size:13px;font-weight:800}.quiz-footer{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-top:32px;flex-wrap:wrap}.quiz-live{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.quiz-error{padding:24px;border:3px solid var(--quiz-red-strong);background:var(--quiz-red);font-weight:800}
[data-theme=dark]{--quiz-ink:#f3f4f6;--quiz-muted:#c8d0db;--quiz-paper:#111;--quiz-card:#191919;--quiz-yellow:#ffe76b;--quiz-green:#173b25;--quiz-green-strong:#69d891;--quiz-red:#40201e;--quiz-red-strong:#ff9188;--quiz-blue:#172636}[data-theme=dark] .quiz-back,[data-theme=dark] .quiz-reset,[data-theme=dark] .quiz-notes-link,[data-theme=dark] .quiz-option{background:#202020;color:var(--quiz-ink)}[data-theme=dark] .quiz-option__letter,[data-theme=dark] .quiz-card__number,[data-theme=dark] .quiz-card__difficulty{color:#111}[data-theme=dark] .quiz-paywall{background:#d7bd45;color:#111}
@media(max-width:760px){.quiz-page{width:min(100% - 28px,1120px);padding-top:20px}.quiz-hero{padding:30px 24px}.quiz-stats{position:static;grid-template-columns:1fr 1fr}.quiz-progress,.quiz-reset{grid-column:1/-1}.quiz-options{grid-template-columns:1fr}.core-quiz-coverage{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:430px){.quiz-page{width:min(100% - 20px,1120px)}.quiz-toolbar{align-items:stretch;flex-direction:column}.quiz-hero{padding:25px 18px}.quiz-card{padding:18px 14px}.quiz-card h2{font-size:18px}}