:root{--primary-font:"Fredoka", "Outfit", system-ui, -apple-system, sans-serif;--bg-sky:#e0f2fe;--bg-gradient:linear-gradient(135deg, #fef08a 0%, #bae6fd 100%);--color-purple:#a855f7;--color-purple-light:#f3e8ff;--color-pink:#ec4899;--color-pink-light:#fce7f3;--color-blue:#0ea5e9;--color-blue-light:#e0f2fe;--color-green:#22c55e;--color-green-light:#dcfce7;--color-orange:#f97316;--color-orange-light:#ffedd5;--color-yellow:#eab308;--color-text:#1e293b;--color-card-bg:#ffffffe6;--shadow-bubbly:0 10px 0px #00000014, 0 20px 25px -5px #0000001a;--shadow-button-purple:0 6px 0px #7e22ce;--shadow-button-blue:0 6px 0px #0369a1;--shadow-button-green:0 6px 0px #15803d;--shadow-button-orange:0 6px 0px #c2410c;--shadow-button-pink:0 6px 0px #be185d}body{box-sizing:border-box;font-family:var(--primary-font);background:var(--bg-gradient);color:var(--color-text);justify-content:center;align-items:center;min-height:100vh;margin:0;padding:0;display:flex;overflow-x:hidden}#root{box-sizing:border-box;flex-direction:column;width:100%;max-width:800px;min-height:95vh;margin:20px auto;display:flex}@media (width<=600px){#root{min-height:98vh;margin:8px auto}}*{box-sizing:border-box}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--color-purple);border-radius:99px}.game-card{background:var(--color-card-bg);-webkit-backdrop-filter:blur(12px);box-shadow:var(--shadow-bubbly);text-align:center;border:4px solid #fff;border-radius:32px;padding:2.5rem;transition:all .3s;animation:.5s cubic-bezier(.175,.885,.32,1.275) popIn;position:relative;overflow:hidden}@keyframes popIn{0%{opacity:0;transform:scale(.85)translateY(20px)}to{opacity:1;transform:scale(1)translateY(0)}}.game-title{color:var(--color-purple);text-shadow:3px 3px #fff,6px 6px #a855f733;letter-spacing:-1px;margin-top:0;margin-bottom:.5rem;font-size:3rem;font-weight:700}.game-subtitle{color:#64748b;margin-bottom:2rem;font-size:1.2rem}.screen{flex-direction:column;align-items:center;width:100%;display:flex}.bubble-btn{font-family:var(--primary-font);cursor:pointer;-webkit-user-select:none;user-select:none;border:3px solid #fff;border-radius:99px;outline:none;justify-content:center;align-items:center;gap:8px;padding:.8rem 2rem;font-size:1.25rem;font-weight:700;transition:all .15s;display:inline-flex}.bubble-btn:active{transform:translateY(4px)}.btn-purple{background-color:var(--color-purple);color:#fff;box-shadow:var(--shadow-button-purple)}.btn-purple:active{box-shadow:0 2px #7e22ce}.btn-blue{background-color:var(--color-blue);color:#fff;box-shadow:var(--shadow-button-blue)}.btn-blue:active{box-shadow:0 2px #0369a1}.btn-green{background-color:var(--color-green);color:#fff;box-shadow:var(--shadow-button-green)}.btn-green:active{box-shadow:0 2px #15803d}.btn-orange{background-color:var(--color-orange);color:#fff;box-shadow:var(--shadow-button-orange)}.btn-orange:active{box-shadow:0 2px #c2410c}.btn-pink{background-color:var(--color-pink);color:#fff;box-shadow:var(--shadow-button-pink)}.btn-pink:active{box-shadow:0 2px #be185d}.avatar-grid{grid-template-columns:repeat(4,1fr);gap:15px;width:100%;max-width:500px;margin:0 auto 2rem;display:grid}.avatar-item{cursor:pointer;background:#fff;border:4px solid #0000;border-radius:20px;padding:10px;font-size:2.5rem;transition:all .2s;box-shadow:0 4px 6px -1px #0000000d}.avatar-item:hover{transform:scale(1.1)rotate(3deg)}.avatar-item.selected{border-color:var(--color-purple);background-color:var(--color-purple-light);transform:scale(1.1);box-shadow:0 8px 15px -3px #a855f74d}.selector-group{width:100%;max-width:600px;margin:0 auto 2rem}.selector-title{color:var(--color-text);justify-content:center;align-items:center;gap:8px;margin-bottom:.8rem;font-size:1.4rem;font-weight:700;display:flex}.mode-grid{grid-template-columns:repeat(3,1fr);gap:15px;margin:0 auto;display:grid}.op-grid{grid-template-columns:repeat(5,1fr);gap:10px;margin:0 auto;display:grid}.selection-card{cursor:pointer;background:#fff;border:3px solid #f1f5f9;border-radius:20px;flex-direction:column;align-items:center;gap:6px;padding:12px;font-size:1.1rem;font-weight:700;transition:all .2s;display:flex;box-shadow:0 4px 6px -1px #0000000d}.selection-card:hover{transform:translateY(-4px);box-shadow:0 10px 15px -3px #0000001a}.selection-card.selected{border-color:var(--color-blue);background-color:var(--color-blue-light);color:#0369a1}.op-card.selected{border-color:var(--color-orange);background-color:var(--color-orange-light);color:#c2410c}.game-header{background:#ffffffb3;border:2px solid #fff;border-radius:20px;justify-content:space-between;align-items:center;width:100%;margin-bottom:1.5rem;padding:10px 20px;display:flex}.header-stat{align-items:center;gap:8px;font-size:1.15rem;font-weight:700;display:flex}.streak-badge{background:var(--color-pink-light);color:var(--color-pink);border-radius:99px;align-items:center;gap:4px;padding:4px 12px;font-size:.9rem;animation:1s infinite alternate bounce;display:inline-flex}@keyframes bounce{0%{transform:translateY(0)}to{transform:translateY(-4px)}}.question-container{flex-direction:column;align-items:center;width:100%;margin:1.5rem 0;display:flex}.math-avatar{margin-bottom:.5rem;font-size:3.5rem;animation:3s ease-in-out infinite float}@keyframes float{0%{transform:translateY(0)rotate(0)}50%{transform:translateY(-10px)rotate(3deg)}to{transform:translateY(0)rotate(0)}}.bubble-dialog{border:3px solid var(--color-purple);color:#4a044e;background:#fff;border-radius:24px;margin-bottom:1.5rem;padding:8px 20px;font-weight:600;position:relative;box-shadow:0 4px 6px -1px #0000000d}.bubble-dialog:after{content:"";border-style:solid;border-width:12px 12px 0;border-color:var(--color-purple) transparent;width:0;display:block;position:absolute;bottom:-12px;left:50%;transform:translate(-50%)}.equation-card{border:4px solid var(--color-blue);color:#0369a1;letter-spacing:2px;background:#fff;border-radius:28px;justify-content:center;align-items:center;gap:15px;min-width:250px;margin-bottom:2rem;padding:1.5rem 3rem;font-size:3.5rem;font-weight:700;display:inline-flex;box-shadow:0 10px 15px -3px #0ea5e933}.equation-card.success-flash{border-color:var(--color-green);color:var(--color-green);animation:.5s ease-out flashGreen}.equation-card.fail-flash{border-color:var(--color-pink);color:var(--color-pink);animation:.5s ease-out flashRed}@keyframes flashGreen{0%{transform:scale(1)}50%{background-color:var(--color-green-light);transform:scale(1.1)}to{transform:scale(1)}}@keyframes flashRed{0%{transform:translate(0)}20%{background-color:var(--color-pink-light);transform:translate(-10px)rotate(-1deg)}40%{transform:translate(10px)rotate(1deg)}60%{transform:translate(-10px)}80%{transform:translate(10px)}to{transform:translate(0)}}.mcq-container{grid-template-columns:repeat(2,1fr);gap:20px;width:100%;max-width:450px;margin:0 auto;display:grid}.mcq-option{padding:1rem;font-size:1.8rem}.input-container{flex-direction:column;align-items:center;gap:15px;width:100%;max-width:320px;margin:0 auto;display:flex}.number-input{font-family:var(--primary-font);text-align:center;border:4px solid var(--color-purple);color:#4a044e;border-radius:20px;outline:none;width:100%;padding:10px;font-size:2.2rem;font-weight:700;transition:all .2s;box-shadow:inset 0 2px 4px #0000000f}.number-input:focus{border-color:var(--color-pink);box-shadow:0 0 0 4px #ec489933,inset 0 2px 4px #0000000f}.kid-keyboard{grid-template-columns:repeat(3,1fr);gap:10px;width:100%;margin-top:10px;display:grid}.key-btn{cursor:pointer;background:#f1f5f9;border:2px solid #cbd5e1;border-bottom:5px solid #94a3b8;border-radius:14px;padding:12px;font-size:1.5rem;font-weight:700;transition:all .1s}.key-btn:active{border-bottom-width:2px;transform:translateY(3px)}.key-btn.action-key{background:var(--color-pink-light);color:#be185d;border-color:#fbcfe8 #fbcfe8 #f472b6}.progress-bar-container{background-color:#e2e8f0;border:2px solid #fff;border-radius:99px;width:100%;height:12px;margin-bottom:1.5rem;overflow:hidden}.progress-bar-fill{background:linear-gradient(90deg, var(--color-green), var(--color-yellow), var(--color-pink));width:100%;height:100%;transition:width .1s linear}.success-banner{color:var(--color-green);justify-content:center;align-items:center;gap:8px;min-height:2rem;margin-bottom:10px;font-size:1.5rem;font-weight:700;display:flex}.stat-box{background:#fff;border:3px solid #f1f5f9;border-radius:20px;min-width:120px;margin:8px;padding:15px 25px;display:inline-block}.stat-num{color:var(--color-purple);font-size:2rem;font-weight:700}.stat-label{color:#64748b;font-size:.9rem;font-weight:600}.confetti-container{pointer-events:none;z-index:10;width:100%;height:100%;position:absolute;top:0;left:0;overflow:hidden}.confetti-piece{background:var(--color-yellow);opacity:.8;width:10px;height:20px;animation:2.5s ease-out infinite fall;position:absolute}@keyframes fall{0%{transform:translateY(-50px)rotate(0)}to{transform:translateY(600px)rotate(360deg)}}.lobby-grid{flex-wrap:wrap;justify-content:center;gap:20px;width:100%;max-width:900px;margin:2rem auto;display:flex}.lobby-card{cursor:pointer;background:#fff;border:4px solid #fff;border-radius:28px;flex-direction:column;flex:240px;align-items:center;gap:12px;max-width:280px;padding:1.5rem;transition:all .25s cubic-bezier(.175,.885,.32,1.275);display:flex;box-shadow:0 10px 15px -3px #0000000d}.lobby-card:hover{transform:translateY(-8px)scale(1.03);box-shadow:0 20px 25px -5px #0000001a}.lobby-card.math-card{border-color:var(--color-blue);background:linear-gradient(to bottom, #fff, var(--color-blue-light))}.lobby-card.word-card{border-color:var(--color-pink);background:linear-gradient(to bottom, #fff, var(--color-pink-light))}.lobby-card.gravity-card{border-color:var(--color-orange);background:linear-gradient(to bottom, #fff, var(--color-orange-light))}.lobby-card.bubble-card{background:linear-gradient(#fff,#f0fdfa);border-color:#0d9488}.lobby-card.zombie-card{background:linear-gradient(#fff,#f0fdf4);border-color:#16a34a}.plinko-canvas{border:4px solid var(--color-purple);cursor:crosshair;touch-action:none;aspect-ratio:4/5;background-color:#f8fafc;border-radius:24px;max-width:100%;height:auto;margin:1rem auto;display:block;box-shadow:inset 0 4px 6px #0000000f,0 10px 15px -3px #0000000d}.tilt-controls{justify-content:center;gap:20px;width:100%;margin:1rem 0;display:flex}.physics-instructions{color:#64748b;margin-top:5px;font-size:.95rem;font-weight:600}.word-hint-card{border:4px solid var(--color-purple);background:#fff;border-radius:28px;justify-content:center;align-items:center;width:120px;height:120px;margin-bottom:1.5rem;padding:1rem;font-size:4rem;animation:3s ease-in-out infinite float;display:flex;box-shadow:0 10px 15px -3px #a855f726}.letter-slots-container{flex-wrap:wrap;justify-content:center;gap:12px;width:100%;margin:1.5rem auto;display:flex}.letter-slot{width:60px;height:60px;color:var(--color-text);cursor:pointer;-webkit-user-select:none;user-select:none;background-color:#f8fafc;border:3px dashed #cbd5e1;border-radius:16px;justify-content:center;align-items:center;font-size:1.8rem;font-weight:700;transition:all .2s;display:flex}.letter-slot.filled{border-style:solid;border-color:var(--color-blue);background-color:var(--color-blue-light);color:#0369a1;transform:translateY(-4px);box-shadow:0 4px #0369a1}.letter-pool{flex-wrap:wrap;justify-content:center;gap:12px;width:100%;max-width:500px;margin:1.5rem auto;display:flex}.letter-tile{background-color:var(--color-pink);color:#fff;cursor:pointer;width:55px;height:55px;box-shadow:var(--shadow-button-pink);-webkit-user-select:none;user-select:none;border:3px solid #fff;border-radius:16px;justify-content:center;align-items:center;font-size:1.8rem;font-weight:700;transition:all .1s;display:flex}.letter-tile:active{transform:translateY(3px);box-shadow:0 2px #be185d}.letter-tile.used{opacity:.3;pointer-events:none;box-shadow:none;transform:scale(.9)}@media (width<=600px){.game-card{border-width:2px;border-radius:20px;padding:1.2rem}.game-title{text-shadow:2px 2px #fff,4px 4px #a855f726;font-size:2.2rem}.game-subtitle{margin-bottom:1.2rem;font-size:1rem}.lobby-grid{grid-template-columns:1fr;gap:15px;margin:1rem auto}.lobby-card{border-radius:20px;padding:1.2rem}.avatar-grid{grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:1.2rem}.avatar-item{border-width:3px;border-radius:14px;padding:6px;font-size:1.8rem}.op-grid{grid-template-columns:repeat(3,1fr);gap:8px}.mode-grid{grid-template-columns:1fr;gap:8px}.selection-card{border-radius:14px;padding:8px;font-size:.95rem}.game-header{border-radius:14px;flex-direction:column;gap:6px;margin-bottom:1rem;padding:8px 12px}.header-stat{justify-content:center;width:100%;font-size:.95rem}.equation-card{border-radius:20px;min-width:200px;padding:1rem 1.8rem;font-size:2.2rem}.mcq-container{grid-template-columns:repeat(2,1fr);gap:10px}.mcq-option{padding:.8rem;font-size:1.3rem}.number-input{border-width:3px;border-radius:14px;font-size:1.8rem}.key-btn{border-radius:10px;padding:8px;font-size:1.2rem}.bubble-btn{padding:.7rem 1.5rem;font-size:1.1rem}.stat-box{min-width:90px;margin:4px;padding:10px 15px}.stat-num{font-size:1.5rem}.letter-slot{border-radius:12px;width:45px;height:45px;font-size:1.4rem}.letter-tile{border-radius:12px;width:42px;height:42px;font-size:1.4rem;box-shadow:0 4px #be185d}.word-hint-card{width:90px;height:90px;font-size:3rem}}@media (width<=380px){.game-title{font-size:1.8rem}.avatar-grid,.op-grid{grid-template-columns:repeat(2,1fr)}.equation-card{min-width:160px;padding:.8rem 1.2rem;font-size:1.8rem}.mcq-container{grid-template-columns:1fr}.bubble-btn{padding:.6rem 1.2rem;font-size:1rem}.letter-slot{width:36px;height:36px;font-size:1.2rem}.letter-tile{width:34px;height:34px;font-size:1.2rem;box-shadow:0 3px #be185d}}.zombie-floating-card{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:4px solid var(--color-purple);z-index:100;pointer-events:auto;background:#fffffff5;border-radius:20px;width:max-content;max-width:260px;padding:12px;transition:transform .15s cubic-bezier(.175,.885,.32,1.275);display:none;position:absolute;transform:translate(-50%,-100%)translateY(-25px);box-shadow:0 10px 25px -5px #00000026,0 8px 10px -6px #00000026}.zombie-floating-card:after{content:"";border-style:solid;border-width:14px 14px 0;border-color:var(--color-purple) transparent;width:0;display:block;position:absolute;bottom:-14px;left:50%;transform:translate(-50%)}.zombie-floating-card:before{content:"";z-index:1;border:10px solid #0000;border-top-color:#fff;border-bottom:0 solid #fff;width:0;display:block;position:absolute;bottom:-9px;left:50%;transform:translate(-50%)}.zombie-floating-eq{font-family:var(--primary-font);color:#1e293b;text-align:center;background:#f8fafc;border:2px solid #e2e8f0;border-radius:10px;margin-bottom:8px;padding:4px 10px;font-size:1.35rem;font-weight:800}.zombie-floating-grid{grid-template-columns:repeat(2,1fr);gap:8px;width:100%;display:grid}.zombie-floating-btn{text-align:center;min-width:60px;border-radius:12px!important;padding:8px 12px!important;font-size:1.15rem!important;font-weight:700!important;box-shadow:0 4px #0000001a!important}@media (width<=600px){.zombie-floating-card{border-width:3px;padding:8px;transform:translate(-50%,-100%)translateY(-20px)}.zombie-floating-eq{margin-bottom:6px;padding:2px 6px;font-size:1.15rem}.zombie-floating-grid{gap:6px}.zombie-floating-btn{min-width:50px;padding:6px 8px!important;font-size:1rem!important}}