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var(--border);background:var(--card);color:var(--fg);font-size:15.5px;line-height:1.4;padding:14px 16px;border-radius:var(--radius);transition:all .16s}.quiz-opt:hover:not(:disabled){border-color:var(--primary);background:var(--hover)}.quiz-opt:disabled{cursor:default}.quiz-opt.is-correct{border-color:var(--accent2);background:var(--accent2-soft);color:var(--fg);font-weight:600}.quiz-opt.is-wrong{border-color:#e0564f;background:color-mix(in srgb,#e0564f 10%,var(--card))}.quiz-opt.is-dim{opacity:.5}.quiz__feedback{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px}.quiz__verdict{font-family:var(--display);font-weight:800;font-size:15px}.quiz__verdict.ok{color:var(--accent2)}.quiz__verdict.no{color:#e0564f}.quiz__src{border:none;background:transparent;color:var(--fg-soft);font-size:13px;text-align:left;flex:1;min-width:140px}.quiz__src:hover{color:var(--primary)}.quiz__next{width:auto}.quiz__result{text-align:center;padding:50px 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.16s}.qcard:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--primary)}.qcard__top{display:flex;align-items:center;gap:8px;margin-bottom:8px}.qcard__num{font-family:var(--display);font-weight:800;font-size:16px;color:var(--primary);font-variant-numeric:tabular-nums}.qcard__best{margin-left:auto;font-size:11.5px;font-weight:700;color:var(--accent2);background:var(--accent2-soft);padding:2px 8px;border-radius:100px}.qcard__cont{color:#d98a2b;font-size:12px}.qcard__title{font-size:13.5px;line-height:1.35;min-height:2.7em}.qcard__meta{font-size:12px;color:var(--fg-muted);margin-top:8px}.quiz__chtitle{font-family:var(--display);font-weight:800;font-size:clamp(20px,3vw,26px);letter-spacing:-.02em;margin:12px 0 0;line-height:1.15}.quiz__resume{border:1px solid var(--border);border-radius:var(--radius);background:var(--card);padding:22px;margin-top:16px}.quiz__resume p{margin:0 0 16px;color:var(--fg-soft)}.quiz__resbest{color:var(--fg-muted);font-size:14px;margin:0 0 22px}.install{position:fixed;left:0;right:0;margin-inline:auto;z-index:120;bottom:calc(16px + env(safe-area-inset-bottom,0px));width:min(440px,calc(100vw - 20px));display:grid;grid-template-columns:auto 1fr;grid-template-areas:"icon body" "act act";align-items:center;gap:10px 13px;padding:14px;border:1px solid var(--border-strong);border-radius:16px;background:var(--bg-elev);box-shadow:var(--shadow-lg)}.install__icon{grid-area:icon}.install__icon img{display:block;border-radius:10px}.install__body{grid-area:body;min-width:0}.install__title{font-family:var(--display);font-weight:700;font-size:15px}.install__text{font-size:13px;color:var(--fg-muted);margin-top:3px;line-height:1.4}.install__actions{grid-area:act;display:flex;gap:8px}.install__btn{flex:1;border:none;background:var(--primary);color:var(--primary-fg);font-size:14px;font-weight:600;padding:11px 16px;border-radius:var(--radius-sm);min-height:44px}.install__btn:hover{background:var(--primary-strong)}.install__x{flex:1;border:1px solid var(--border);background:var(--card);color:var(--fg-soft);font-size:14px;font-weight:600;padding:11px 16px;border-radius:var(--radius-sm);min-height:44px}.install__x:hover{color:var(--fg);border-color:var(--border-strong)}@media (min-width: 560px){.install{grid-template-columns:auto 1fr auto;grid-template-areas:"icon body act"}.install__actions{flex:none}.install__btn,.install__x{flex:none;min-height:38px;padding:9px 16px}}.pageloader{display:grid;place-items:center;min-height:60vh}.spinner{width:34px;height:34px;border-radius:50%;border:3px solid var(--border);border-top-color:var(--primary);animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.is-locked,.is-locked body,.is-locked .reader{overflow:hidden}.nav__foot{padding:11px 18px;border-top:1px solid var(--border);font-size:11.5px;color:var(--fg-muted);text-align:center}.splash{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:var(--bg);background-image:radial-gradient(620px 420px at 50% 40%,var(--primary-soft),transparent 70%)}.splash__logo{width:84px;height:84px;border-radius:22px;display:grid;place-items:center;color:var(--primary-fg);font-family:var(--display);font-weight:800;font-size:46px;background:linear-gradient(150deg,var(--primary),var(--primary-strong));box-shadow:0 22px 55px -18px var(--primary)}.splash__title{font-family:var(--display);font-weight:800;font-size:26px;letter-spacing:-.02em;color:var(--fg)}.splash__sub{font-size:12px;color:var(--fg-muted);letter-spacing:.14em;text-transform:uppercase}