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.12s}.option:active{transform:translateY(2px);box-shadow:0 1px 0 var(--border-strong)}.option.selected{border-color:var(--blue);background:var(--blue-soft);box-shadow:0 3px 0 var(--blue)}.option.correct{border-color:var(--green);background:var(--green-soft);box-shadow:0 3px 0 var(--green)}.option.wrong{border-color:var(--red);background:var(--red-soft);box-shadow:0 3px 0 var(--red)}.option.dim{opacity:.55}.verdict{border-radius:18px;padding:14px 16px;animation:ov-in .2s ease}.verdict.ok{background:var(--green-soft);color:var(--text)}.verdict.no{background:var(--red-soft);color:var(--text)}.verdict h4{margin:0 0 4px;font-size:16px;font-weight:800}.verdict.ok h4{color:var(--green)}.verdict.no h4{color:var(--red)}.example{border-left:3px solid var(--accent);background:var(--accent-soft);padding:10px 12px;border-radius:0 12px 12px 0;font-size:15px}.scene-context{margin:0 12px;border-radius:16px;padding:10px 14px;background:var(--surface);border:1px solid var(--border);font-size:14px}.scene-end{align-self:center;text-align:center;padding:10px 16px;border-radius:14px;background:var(--surface-2);font-size:14px;color:var(--text-2);max-width:90%}.hint-bubble{align-self:center;max-width:92%;display:flex;gap:8px;padding:10px 14px;border-radius:16px;background:var(--gold-soft);font-size:14.5px}.score-ring-label b{display:block;font-size:34px;font-weight:850;letter-spacing:-.03em;line-height:1}.score-ring-label span{font-size:12px;color:var(--text-3);font-weight:700}.toasts{position:absolute;top:calc(var(--safe-top) + 10px);left:0;right:0;z-index:60;display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none}.toast{max-width:calc(100% - 32px);padding:10px 16px;border-radius:14px;background:var(--text);color:var(--bg);font-size:14.5px;font-weight:700;box-shadow:var(--shadow-lg);animation:toast-in .25s cubic-bezier(.2,.9,.3,1.3)}.toast.xp{background:linear-gradient(135deg,#ffb340,#ff6b3d);color:#fff}.toast.success{background:var(--green);color:#fff}.toast.error{background:var(--red);color:#fff}@keyframes toast-in{0%{transform:translateY(-14px) scale(.95);opacity:0}}.celebrate{position:absolute;inset:0;z-index:70;display:grid;place-items:center;padding:24px;background:#080c1499;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);animation:fade-in .2s ease}@keyframes fade-in{0%{opacity:0}}.celebrate-card{width:100%;max-width:340px;border-radius:28px;padding:28px 22px 22px;text-align:center;background:var(--surface);box-shadow:var(--shadow-lg);animation:pop .45s cubic-bezier(.2,.9,.3,1.4)}@keyframes pop{0%{transform:scale(.7);opacity:0}}.confetti{position:absolute;inset:0;overflow:hidden;pointer-events:none}.confetti i{position:absolute;top:-12px;width:9px;height:14px;border-radius:2px;animation:confetti-fall linear forwards}@keyframes confetti-fall{to{transform:translateY(110vh) rotate(720deg)}}.banner{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:14px;font-size:14px}.onb{height:100%;display:flex;flex-direction:column;padding:calc(var(--safe-top) + 16px) 20px calc(var(--safe-bottom) + 16px)}.onb-body{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:18px;padding-bottom:12px}.onb-steps{display:flex;gap:6px}.onb-steps i{flex:1;height:5px;border-radius:99px;background:var(--surface-3);transition:background .3s}.onb-steps i.on{background:var(--accent)}.feature{display:flex;gap:14px;align-items:flex-start}.option-card{width:100%;text-align:left;padding:15px 16px;border-radius:16px;border:1.5px solid var(--border-strong);background:var(--surface);font-weight:650;display:flex;align-items:center;gap:12px;transition:all .15s}.option-card.selected{border-color:var(--accent);background:var(--accent-soft)}.check{width:24px;height:24px;border-radius:8px;border:2px solid var(--border-strong);display:grid;place-items:center;flex-shrink:0;color:#fff;transition:all .15s}.check.on{background:var(--accent);border-color:var(--accent)}.heatmap{display:grid;grid-auto-flow:column;grid-template-rows:repeat(7,1fr);gap:4px}.heatmap i{width:100%;aspect-ratio:1;border-radius:4px;background:var(--surface-2)}.heatmap i.l1{background:#ff6b3d4d}.heatmap i.l2{background:#ff6b3d99}.heatmap i.l3{background:var(--accent)}.heatmap i.frozen{background:var(--blue-soft);outline:1.5px solid var(--blue);outline-offset:-1.5px}.heatmap i.future{background:transparent}.week-strip{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}.week-day{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:11.5px;font-weight:700;color:#fff9}.week-day i{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#ffffff1a;color:#fff}.week-day i.on{background:var(--accent)}.week-day i.frozen{background:#5b8ff580}.week-day.today{color:#fff}.week-day.today i{box-shadow:0 0 0 2px #ffffffd9}.empty{text-align:center;padding:28px 16px;color:var(--text-3)}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}