@import"https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&display=swap";:root{--bg: #FFF8F0;--text: #2D3436;--shadow: rgba(0,0,0,.08)}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;font-family:Nunito,sans-serif;background:var(--bg);color:var(--text);-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}.home-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem 1rem;background:linear-gradient(135deg,#fff8f0,#ffe8d6,#fff0db)}.home-header{text-align:center;margin-bottom:2rem}.home-title{font-size:3rem;font-weight:900;background:linear-gradient(135deg,#ff6b6b,#ffe66d,#4ecdc4,#aa96da);background-size:300% 300%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:gradientShift 4s ease infinite;letter-spacing:-.02em}@keyframes gradientShift{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}.home-subtitle{font-size:1.2rem;color:#636e72;font-weight:600;margin-top:.25rem}.activity-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;max-width:400px;width:100%}.activity-card{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:1.5rem 1rem;border:3px solid var(--card-color);border-radius:1.25rem;background:#fff;cursor:pointer;transition:transform .15s,box-shadow .15s;box-shadow:0 4px 12px var(--shadow);font-family:inherit}.activity-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px var(--shadow)}.activity-card:active{transform:scale(.97)}.activity-icon{font-size:2.5rem}.activity-title{font-size:1rem;font-weight:800;color:var(--text)}.activity-desc{font-size:.8rem;color:#636e72;font-weight:600}.home-footer{margin-top:2rem}.home-stars{font-size:1.5rem;letter-spacing:.5rem;animation:bounce 2s ease infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.game-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:1rem;position:relative;background:linear-gradient(180deg,#fff8f0,#ffe8d6)}.back-btn{position:absolute;top:1rem;left:1rem;background:#fff;border:2px solid #DFE6E9;border-radius:2rem;padding:.5rem 1rem;font-family:inherit;font-size:.9rem;font-weight:700;color:#636e72;cursor:pointer;z-index:10;transition:background .15s}.back-btn:hover{background:#dfe6e9}.game-title{font-size:1.6rem;font-weight:900;margin-top:3.5rem;color:var(--text)}.game-sub{font-size:.95rem;color:#636e72;font-weight:600;margin-top:.25rem}.explorer-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;max-width:400px;gap:2rem}.letter-display{text-align:center;display:flex;flex-direction:column;align-items:center;gap:1rem}.letter-display.fade-in{animation:fadeIn .2s ease}.letter-display.fade-out{animation:fadeOut .2s ease forwards}@keyframes fadeIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes fadeOut{0%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(.95)}}.big-letter{font-size:8rem;font-weight:900;line-height:1;text-shadow:0 4px 12px rgba(0,0,0,.1);animation:letterPop .4s ease}@keyframes letterPop{0%{transform:scale(.5)}60%{transform:scale(1.1)}to{transform:scale(1)}}.letter-word{display:flex;align-items:center;gap:.5rem;font-size:1.4rem;font-weight:600}.word-emoji{font-size:2rem}.letter-cases{display:flex;align-items:center;gap:.75rem;font-size:2rem;font-weight:800;color:#636e72}.case-sep{color:#b2bec3}.explorer-nav{display:flex;align-items:center;gap:1rem;width:100%}.nav-btn{width:3rem;height:3rem;border-radius:50%;border:3px solid #DFE6E9;background:#fff;font-size:1.2rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,transform .1s;flex-shrink:0}.nav-btn:hover{background:#dfe6e9}.nav-btn:active{transform:scale(.9)}.letter-dots{display:flex;flex-wrap:wrap;gap:.35rem;justify-content:center;flex:1}.dot{width:.6rem;height:.6rem;border-radius:50%;border:none;background:#dfe6e9;cursor:pointer;transition:transform .15s,background .15s;padding:0}.dot.active{transform:scale(1.5)}.dot:hover{transform:scale(1.3)}.match-screen{background:linear-gradient(180deg,#e8f8f5,#fff8f0)}.match-score{margin-top:.5rem;font-size:1rem;font-weight:700;color:#4ecdc4}.match-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.75rem;margin-top:1.5rem;width:100%;max-width:360px}.match-tile{aspect-ratio:1;border-radius:1rem;border:3px solid #DFE6E9;background:#fff;font-family:inherit;font-size:2rem;font-weight:900;cursor:pointer;transition:transform .15s,border-color .15s,background .15s;display:flex;align-items:center;justify-content:center}.match-tile.upper{color:#2d3436}.match-tile.lower{color:#636e72;font-style:italic}.match-tile:hover:not(:disabled){transform:scale(1.05);border-color:#4ecdc4}.match-tile.selected{border-color:#4ecdc4;background:#e8f8f5;transform:scale(1.05)}.match-tile.matched{background:#e8f8f5;border-color:#00b894;opacity:.6;cursor:default;animation:matchPop .3s ease}@keyframes matchPop{0%{transform:scale(1)}50%{transform:scale(1.15)}to{transform:scale(1)}}.match-tile.wrong{animation:shake .4s ease;border-color:#ff6b6b;background:#fff0f0}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}.win-banner{margin-top:2rem;text-align:center;font-size:1.2rem;font-weight:800;color:#00b894;display:flex;flex-direction:column;align-items:center;gap:1rem;animation:fadeIn .4s ease}.play-again-btn{background:#4ecdc4;color:#fff;border:none;border-radius:2rem;padding:.75rem 2rem;font-family:inherit;font-size:1rem;font-weight:800;cursor:pointer;transition:transform .15s}.play-again-btn:hover{transform:scale(1.05)}.word-screen{background:linear-gradient(180deg,#fff9e6,#fff8f0)}.word-progress{margin-top:.5rem;font-size:.9rem;font-weight:700;color:#636e72}.word-challenge{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.5rem;width:100%;max-width:400px;margin-top:1rem}.word-letter{font-size:6rem;font-weight:900;line-height:1;text-shadow:0 4px 12px rgba(0,0,0,.1);animation:letterPop .4s ease}.word-options{display:flex;flex-direction:column;gap:.75rem;width:100%}.word-option{display:flex;align-items:center;gap:1rem;padding:1rem 1.25rem;border:3px solid #DFE6E9;border-radius:1rem;background:#fff;cursor:pointer;font-family:inherit;transition:transform .15s,border-color .15s,background .15s}.word-option:hover:not(:disabled){transform:scale(1.02);border-color:#ffe66d}.word-option.correct{border-color:#00b894;background:#e8f8f5;animation:matchPop .3s ease}.word-option.wrong-pick{border-color:#ff6b6b;background:#fff0f0;animation:shake .4s ease}.option-emoji{font-size:2.5rem}.option-word{font-size:1.3rem;font-weight:700}.next-btn{background:#ffe66d;border:3px solid #FDCB6E;border-radius:2rem;padding:.75rem 2rem;font-family:inherit;font-size:1.1rem;font-weight:800;cursor:pointer;transition:transform .15s;color:#2d3436}.next-btn:hover{transform:scale(1.05)}.trace-screen{background:linear-gradient(180deg,#f3e5f5,#fff8f0)}.trace-letter-info{display:flex;align-items:center;gap:.75rem;margin-top:.5rem;font-size:1.2rem;font-weight:700}.trace-big{font-size:2rem;font-weight:900}.trace-small{font-size:1.5rem;font-weight:700;color:#636e72}.trace-emoji{font-size:1.5rem}.trace-canvas-wrap{flex:1;width:100%;max-width:400px;margin-top:1rem;position:relative}.trace-canvas{width:100%;height:100%;min-height:300px;border:3px solid #DFE6E9;border-radius:1.25rem;background:#fff;cursor:crosshair;touch-action:none}.trace-controls{display:flex;gap:1rem;margin-top:1rem;margin-bottom:1rem}.trace-btn{width:3.5rem;height:3.5rem;border-radius:50%;border:3px solid #DFE6E9;background:#fff;font-size:1.2rem;font-weight:700;cursor:pointer;transition:background .15s,transform .1s;font-family:inherit}.trace-btn:hover{background:#dfe6e9}.trace-btn:active{transform:scale(.9)}.clear-btn{border-radius:2rem;width:auto;padding:0 1.5rem;color:#636e72}@media(max-width:480px){.home-title{font-size:2.25rem}.activity-grid{gap:.75rem}.activity-card{padding:1rem .75rem}.activity-icon{font-size:2rem}.big-letter{font-size:5rem}.word-letter{font-size:4rem}.match-grid{gap:.5rem}.match-tile{font-size:1.5rem}}