:root{--sky:#7ec8ff;--mint:#7ce0b8;--sun:#ffd166;--coral:#ff6b6b;--grape:#7b6cff;--ink:#1d2a44;--paper:#fffdf8;--shadow:0 12px 0 #1d2a441f;--radius:28px}*,:before,:after{box-sizing:border-box}html,body{min-height:100%;margin:0}body{min-height:100dvh;color:var(--ink);background:linear-gradient(165deg,#8fd3ff 0%,#b8f0d8 55%,#ffe9a8 100%);justify-content:center;align-items:safe center;padding:16px;font-family:Nunito,system-ui,sans-serif;display:flex;overflow-x:hidden}.bg{pointer-events:none;z-index:0;position:fixed;inset:0}.blob{filter:blur(2px);opacity:.35;border-radius:50%;position:absolute}.b1{background:#fff;width:220px;height:220px;top:-40px;left:-40px}.b2{background:#ff8fab;width:160px;height:160px;bottom:8%;right:-30px}.b3{background:#ffd166;width:120px;height:120px;top:30%;left:8%}.app{z-index:1;background:var(--paper);width:100%;min-width:0;max-width:560px;min-height:min(720px,100dvh - 32px);box-shadow:var(--shadow), 0 0 0 6px #ffffff59;border-radius:36px;flex-direction:column;padding:28px 22px 32px;display:flex;position:relative}.screen{text-align:center;flex-direction:column;align-items:center;gap:16px;width:100%;min-width:0;display:none}.screen.is-active{flex:1;animation:.35s pop;display:flex}#screen-play.is-active{justify-content:flex-start;align-items:stretch;gap:14px;min-height:100%;overflow-y:auto}h1,h2,.countdown,.question{margin:0;font-family:Fredoka,Nunito,sans-serif}h1{letter-spacing:-.03em;font-size:clamp(2.4rem,8vw,3.4rem)}h2{font-size:2rem}.badge{background:#ffe08a;border-radius:999px;margin:8px 0 0;padding:6px 14px;font-size:.9rem;font-weight:800}.lead{max-width:34ch;margin:0;font-size:1.1rem;line-height:1.4}.ops{border:0;gap:10px;width:100%;margin:8px 0 0;padding:0;display:grid}.ops legend{margin-bottom:8px;font-weight:800}.chip{cursor:pointer;display:block}.chip input{opacity:0;pointer-events:none;position:absolute}.chip span{background:#eef3ff;border-radius:18px;justify-content:space-between;align-items:center;padding:14px 18px;font-weight:800;transition:transform .12s,background .12s;display:flex;box-shadow:0 4px #c9d4f5}.chip input:checked+span{background:#d8ffe8;box-shadow:0 4px #7ed9a8}.chip input:focus-visible+span{outline:3px solid var(--grape);outline-offset:3px}.chip:active span{transform:translateY(3px);box-shadow:0 1px #c9d4f5}.best{opacity:.8;margin:4px 0 0;font-weight:800}.btn{appearance:none;cursor:pointer;font:inherit;text-align:center;border:0;border-radius:20px;justify-content:center;align-items:center;min-width:200px;padding:16px 28px;font-weight:800;text-decoration:none;display:inline-flex}.btn-play{background:var(--grape);color:#fff;font-size:1.25rem;box-shadow:0 6px #5348c4}.btn-play:hover{transform:translateY(-1px)}.btn-play:active{transform:translateY(4px);box-shadow:0 2px #5348c4}.btn-ghost{color:var(--ink);background:#eef3ff;box-shadow:0 4px #c9d4f5}.countdown{color:var(--grape);align-self:center;margin:auto;font-size:8rem;line-height:1}.hud{justify-content:space-between;align-items:center;gap:12px;display:flex}.lives{letter-spacing:2px;gap:6px;font-size:1.8rem;display:flex}.heart{transition:transform .2s,opacity .2s,filter .2s;display:inline-block}.heart.is-lost{opacity:.25;filter:grayscale();transform:scale(.85)}.score-wrap{background:#fff3c4;border-radius:16px;min-width:88px;padding:8px 14px}.score-label{text-transform:uppercase;letter-spacing:.08em;font-size:.75rem;display:block}#score{font-family:Fredoka,sans-serif;font-size:1.6rem}.timer-row{align-items:center;gap:10px;display:flex}.timer{background:#ece7dc;border-radius:999px;flex:1;height:16px;overflow:hidden}.timer-sec{min-width:2.6em;font-family:Fredoka,sans-serif;font-size:1.1rem;font-weight:700}.timer-bar{transform-origin:0;background:linear-gradient(90deg,#7ce0b8,#ffd166);width:100%;height:100%;transform:scaleX(1)}.timer-bar.is-low{background:linear-gradient(90deg,#ffd166,#ff6b6b)}.question{letter-spacing:-.04em;margin:8px 0 0;font-size:clamp(3rem,12vw,4.4rem)}.question.is-equation{letter-spacing:-.02em;font-size:clamp(2.2rem,9vw,3.4rem)}.hint{min-height:1.4em;margin:0;font-weight:800}.hint.is-ok{color:#178a4e}.hint.is-ko{color:#c23b3b}.answers{grid-template-columns:repeat(2,1fr);gap:12px;margin-top:auto;display:grid}.answer{appearance:none;color:var(--ink);cursor:pointer;user-select:none;-webkit-tap-highlight-color:transparent;touch-action:manipulation;border:0;border-radius:22px;padding:22px 10px;font-family:Fredoka,sans-serif;font-size:2rem;font-weight:700;box-shadow:0 6px #1d2a4429}.answer:first-child{background:#c9f4e4}.answer:nth-child(2){background:#ffe08a}.answer:nth-child(3){background:#c9dcff}.answer:nth-child(4){background:#ffc9d8}.answer:nth-child(5){background:#e4d4ff}.answer:nth-child(6){background:#d4f5a8}.answer:active:not(:disabled){transform:translateY(4px);box-shadow:0 2px #1d2a4429}.answer:disabled{cursor:default}.answer.is-correct{background:#5ee0a0;transform:scale(1.04)}.answer.is-wrong{background:#ff8a8a;animation:.35s shake}.over-emoji{margin:24px 0 0;font-size:4rem}.over-score{margin:0;font-size:1.4rem}@keyframes pop{0%{opacity:0;transform:scale(.96)translateY(8px)}to{opacity:1;transform:none}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-8px)}75%{transform:translate(8px)}}@media (width<=420px){.app{border-radius:28px;padding:22px 16px 26px}.answer{padding:18px 8px;font-size:1.7rem}.profiles{grid-template-columns:1fr 1fr}}@media (width>=520px){.avatar-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}.screen-hub{justify-content:center}.topbar{justify-content:space-between;gap:12px;width:100%;margin-bottom:8px;display:flex}.link-quiet{color:var(--ink);opacity:.65;white-space:nowrap;font-weight:800;text-decoration:none}.link-quiet:hover{opacity:1}.back-link{align-self:flex-start}.topbar-end{justify-content:flex-end}.empty{opacity:.8;margin:8px 0 0;font-weight:800}.children-list{gap:10px;width:100%;display:grid}.child-row{text-align:left;background:#eef3ff;border-radius:20px;grid-template-columns:56px minmax(0,1fr) auto;align-items:center;gap:12px;width:100%;min-width:0;padding:10px 12px;display:grid}.child-row img,.profile-card img,.player-chip img,.avatar-option img{object-fit:cover;background:0 0;border-radius:50%;display:block}.child-row strong{font-size:1.15rem}.btn-icon{appearance:none;font:inherit;color:#c23b3b;cursor:pointer;white-space:nowrap;background:0 0;border:0;padding:8px;font-weight:800}.form{gap:16px;width:100%;min-width:0;display:grid}.field{text-align:left;border:0;gap:8px;width:100%;margin:0;padding:0;display:grid}.field span,.field legend{font-weight:800}.field input[type=text]{width:100%;font:inherit;color:var(--ink);background:#fff;border:3px solid #dfe6f8;border-radius:16px;padding:14px 16px;font-weight:800}.field input[type=text]:focus{outline:3px solid var(--grape);outline-offset:2px}.avatar-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;min-width:0;display:grid}.avatar-option{cursor:pointer;justify-items:center;gap:6px;min-width:0;display:grid}.avatar-option input{opacity:0;pointer-events:none;position:absolute}.avatar-option img{aspect-ratio:1;width:100%;max-width:100%;box-shadow:0 4px #c9d4f5}.avatar-option span{text-align:center;overflow-wrap:anywhere;max-width:100%;font-size:.75rem;font-weight:800;line-height:1.2}.avatar-option input:checked+img{outline:3px solid var(--grape);outline-offset:2px;box-shadow:0 4px #5348c4}.avatar-option input:focus-visible+img{outline:3px solid var(--grape);outline-offset:3px}.form-error{color:#c23b3b;margin:0;font-weight:800}.profiles{grid-template-columns:repeat(2,1fr);gap:12px;width:100%;display:grid}.profile-card{appearance:none;cursor:pointer;font:inherit;color:var(--ink);background:#eef3ff;border:0;border-radius:22px;justify-items:center;gap:8px;padding:16px 12px;font-weight:800;display:grid;box-shadow:0 4px #c9d4f5}.profile-card:active{transform:translateY(3px);box-shadow:0 1px #c9d4f5}.player-chip{background:#fff3c4;border-radius:999px;align-items:center;gap:8px;padding:6px 12px 6px 6px;font-weight:800;display:inline-flex}.player-chip img{border-radius:50%;width:40px;height:40px}.games{gap:12px;width:100%;display:grid}.game-card{text-align:left;color:var(--ink);background:#d8ffe8;border-radius:22px;gap:6px;padding:20px 18px;text-decoration:none;display:grid;box-shadow:0 6px #7ed9a8}.game-card strong{font-family:Fredoka,Nunito,sans-serif;font-size:1.5rem}.game-card span{opacity:.75;font-weight:800}.dino-prompt{margin:4px 0 0;font-family:Fredoka,Nunito,sans-serif;font-size:clamp(1.35rem,5vw,1.7rem);font-weight:700}.dino-herd{grid-template-columns:repeat(var(--dino-cols,5), minmax(0, 1fr));background:#e9f8ee;border-radius:24px;align-content:center;justify-items:center;gap:4px 0;min-height:7.5rem;padding:14px 10px;line-height:1;display:grid}.dino{transform:rotate(var(--tilt,0deg));user-select:none;font-size:clamp(1.7rem,7vw,2.4rem);display:inline-block}.answers.dino-answers{grid-template-columns:repeat(3,1fr)}.answers.compare-answers{grid-template-columns:1fr 1fr;margin-top:8px}.answer.dino-pick{grid-template-columns:repeat(var(--dino-cols,5), minmax(0, 1fr));align-content:center;justify-items:center;gap:2px 0;min-height:11.5rem;padding:14px 8px;font-size:1.55rem;display:grid}.answer.dino-pick .dino{font-size:clamp(1.35rem,5vw,1.85rem)}@media (width<=420px){.answers.dino-answers{grid-template-columns:repeat(2,1fr)}.answer.dino-pick{min-height:9.5rem;font-size:1.3rem}}