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1rem;border-radius:999px;background:#ffffffe6;font-weight:800}.compare-question-card{padding:1.2rem}.compare-picture-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-bottom:1rem}.compare-picture-box{min-height:96px;display:grid;place-items:center;padding:1rem;border-radius:1.5rem;background:linear-gradient(180deg,#fff9db,#ffe7f2);font-size:clamp(1.6rem,4vw,2.2rem);line-height:1.4;word-break:break-word}.compare-equation{grid-template-columns:repeat(3,auto)}.compare-drop-slot{min-width:120px;font-size:2.2rem}.compare-symbol-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.9rem}.compare-symbol-chip{min-height:88px;border:0;border-radius:1.5rem;color:#3b234f;background:linear-gradient(135deg,#ffd86b,#ff9dc6,#9ad9ff);box-shadow:0 12px 24px #3b234f29;font:inherit;font-size:2.2rem;font-weight:800;cursor:grab}.memory-look-card,.memory-answer-card{width:min(920px,100%);padding:1.2rem}.memory-timer-row{display:flex;align-items:center;justify-content:space-between;gap:1rem}.memory-timer{min-width:72px;min-height:72px;display:grid;place-items:center;border-radius:999px;background:linear-gradient(180deg,#ffd86b,#ff9d4d);color:#6a2e00;font-size:2rem;font-weight:800}.memory-sequence-row,.memory-slot-row,.memory-choice-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(88px,1fr));gap:1rem}.memory-sequence-row,.memory-slot-row{margin-top:1rem}.memory-sequence-box,.memory-slot-box{min-height:100px;display:grid;place-items:center;border-radius:1.5rem;font-size:2.1rem;font-weight:800}.memory-sequence-box{background:linear-gradient(180deg,#fff9db,#ffd8f0);box-shadow:0 14px 28px #3b234f24}.memory-slot-box{border:3px dashed #ff9f68;color:#a44d00;background:linear-gradient(180deg,#fff9db,#ffe6bf)}.undercover-home-card,.undercover-reveal-card{width:min(920px,100%)}.undercover-panel,.undercover-answer-card{width:min(720px,100%);padding:1.1rem 1.2rem;border-radius:1.5rem;background:#ffffffc7;box-shadow:0 14px 30px #2f2f661a}.undercover-player-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.75rem;margin-top:.9rem}.undercover-player-button{min-height:64px;border:0;border-radius:1.2rem;font:inherit;font-weight:800;color:#3b234f;background:linear-gradient(135deg,#ffd978,#ffb8d3);box-shadow:0 12px 24px #3b234f1f;cursor:pointer}.undercover-player-button.is-selected{transform:translateY(-2px);box-shadow:0 0 0 4px #a0bfff52,0 16px 30px #3b234f29}.undercover-rules-list{display:grid;gap:.6rem;margin-top:.9rem}.undercover-rules-list p,.undercover-answer-card p{margin:0;text-align:left}.undercover-discussion-message{margin:.9rem 0 0;color:#5b4f86;font-weight:700;text-align:center}.undercover-vote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;margin-top:1rem}.undercover-vote-button{min-height:68px;border:0;border-radius:1.2rem;font:inherit;font-weight:800;color:#3b234f;background:linear-gradient(135deg,#bfe2ff,#ffd97d);box-shadow:0 12px 24px #3b234f1f;cursor:pointer}.undercover-vote-button.is-correct{background:linear-gradient(135deg,#d4f6ba,#ffe58c)}.undercover-seat-badge{width:auto;align-self:start;padding:1rem 1.3rem;color:#5267d8;font-size:1.6rem;font-weight:800}.undercover-reveal-card{display:grid;justify-items:center;gap:1rem;padding:clamp(2rem,4vw,3rem)}.undercover-open-button{min-height:68px;min-width:min(100%,320px)}.undercover-word-card{width:min(360px,100%);min-height:170px;display:grid;align-content:center;justify-items:center;gap:.8rem;padding:1.4rem 1rem;border-radius:1.8rem;background:linear-gradient(180deg,#fff7d6,#ffe0f0);box-shadow:0 16px 32px #3b234f24;color:#5c3200}.undercover-word-card.is-undercover{background:linear-gradient(180deg,#dbe2ff,#c9f0ff);color:#2f3c8f}.undercover-word-icon{font-size:3rem}.undercover-word-card strong{font-size:clamp(2rem,5vw,3rem)}.undercover-action-row{width:min(640px,100%)}.undercover-action-row .magic-button:disabled{cursor:not-allowed;opacity:.55}.game-petal-rain{position:absolute;inset:0;pointer-events:none;z-index:0;overflow:hidden}.game-petal{position:absolute;top:-3rem;width:18px;height:12px;border-radius:16px 16px 16px 2px;opacity:.72;animation:game-petal-fall 9s linear infinite}.game-petal-1{left:8%;animation-delay:0s}.game-petal-2{left:26%;animation-delay:1.2s}.game-petal-3{left:44%;animation-delay:2.4s}.game-petal-4{left:66%;animation-delay:3.6s}.game-petal-5{left:84%;animation-delay:4.8s}.game-petal-rain--addition .game-petal{background:linear-gradient(135deg,#ffe08a,#ffb347);box-shadow:0 4px 10px #dc891d3d}.game-petal-rain--subtraction .game-petal{background:linear-gradient(135deg,#ffb3c1,#ff5d8f);box-shadow:0 4px 10px #c932693d}.game-petal-rain--compare .game-petal{background:linear-gradient(135deg,#ffd5f6,#caa7ff);box-shadow:0 4px 10px #8954d63d}.game-petal-rain--division .game-petal{background:linear-gradient(135deg,#bfe7a1,#7cc96b);box-shadow:0 4px 10px #62a23c3d}.game-petal-rain--memory .game-petal{background:linear-gradient(135deg,#b9f2ff,#7ec8ff);box-shadow:0 4px 10px #4589d53d}.game-petal-rain--multiplication .game-petal{background:linear-gradient(135deg,#ffcf9f,#ff9666);box-shadow:0 4px 10px #cc66383d}.game-petal-rain--undercover .game-petal{background:linear-gradient(135deg,#b9c5ff,#8fa4ff);box-shadow:0 4px 10px #6274d43d}@keyframes game-petal-fall{0%{transform:translate3d(0,-5vh,0) rotate(0) scale(.92);opacity:0}12%{opacity:.72}55%{transform:translate3d(24px,48vh,0) rotate(140deg) scale(1)}to{transform:translate3d(-22px,108vh,0) rotate(300deg) scale(.94);opacity:0}}@media(max-width:640px){.addition-topbar{grid-template-columns:1fr}.addition-equation{gap:.6rem;font-size:2rem}.addition-drop-slot{min-width:72px;min-height:72px}.addition-choice-row,.addition-stars-row{grid-template-columns:repeat(3,minmax(0,1fr))}.compare-picture-row{grid-template-columns:1fr}.memory-sequence-row,.memory-slot-row,.memory-choice-row,.undercover-player-grid,.undercover-vote-grid,.undercover-action-row{grid-template-columns:repeat(2,minmax(0,1fr))}}.summary-action-row{width:min(420px,100%);display:flex;gap:.75rem}.summary-action-row .magic-button,.summary-action-row .undo-button{flex:1}.corner-exit-button{position:absolute;top:1rem;right:1rem;z-index:3;border:0;border-radius:999px;padding:.7rem 1.1rem;font:inherit;font-weight:800;color:#5c3200;background:#ffffffeb;box-shadow:0 12px 24px #3b234f24;cursor:pointer}