:root{font-family:Comic Sans MS,Chalkboard SE,Inter,system-ui,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html,body{margin:0;padding:0;width:100%;height:100%;min-width:320px;overflow-x:hidden;background-color:#e0f7fa}#root{width:100%;height:100%;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{line-height:1.1;margin-top:0}.modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#0009;display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .3s ease}.modal-content{background:#fff;padding:2.5rem;border-radius:20px;width:90%;max-width:400px;position:relative;text-align:center;box-shadow:0 20px 40px #0003;animation:slideIn .3s ease}.close-btn{position:absolute;top:15px;right:20px;background:none;border:none;font-size:2rem;cursor:pointer;color:#888}.close-btn:hover{color:#333}.price-tag{font-size:1.2rem;color:#666}.price-tag span{font-size:2rem;color:#ff5722;font-weight:700}.payment-methods{display:flex;justify-content:space-around;margin:1.5rem 0}.method{padding:10px 15px;border:2px solid #eee;border-radius:10px;cursor:pointer;display:flex;align-items:center;gap:8px;transition:all .2s}.method.selected{border-color:#4caf50;background:#e8f5e9}.checkout-btn{width:100%;margin-top:1.5rem;background:linear-gradient(135deg,#ff5722,#ff9800);color:#fff;border:none;padding:14px 20px;border-radius:12px;cursor:pointer;font-size:1.1rem;font-weight:600;transition:all .2s;box-shadow:0 4px 12px #ff57224d}.checkout-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 16px #ff572266}.checkout-btn:disabled{opacity:.6;cursor:not-allowed}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.login-modal{max-width:420px}.login-modal h2{margin-bottom:1.5rem;color:#333}.email-login{display:flex;flex-direction:column;gap:10px}.email-login input{padding:12px 14px;border:2px solid #e0e0e0;border-radius:10px;font-size:1rem;outline:none;transition:border-color .2s}.email-login input:focus{border-color:#4caf50}.email-login button{padding:12px;background:#4caf50;color:#fff;border:none;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:background .2s}.email-login button:hover:not(:disabled){background:#43a047}.email-login button:disabled{opacity:.6;cursor:not-allowed}.error-msg{color:#f44336;margin-top:.5rem;font-size:.9rem}.magic-link-sent{padding:1rem 0}.success-msg{font-size:1.5rem;margin-bottom:1rem}.magic-link-sent .hint{color:#888;font-size:.85rem;margin-top:.5rem}.user-header{position:fixed;top:0;right:0;padding:12px 20px;z-index:100;display:flex;align-items:center;gap:12px}.login-trigger{background:linear-gradient(135deg,#4caf50,#45b649);color:#fff;border:none;padding:8px 18px;border-radius:20px;font-size:.9rem;cursor:pointer;font-weight:600;box-shadow:0 2px 8px #4caf504d;transition:all .2s}.login-trigger:hover{transform:translateY(-1px);box-shadow:0 4px 12px #4caf5066}.user-info{display:flex;align-items:center;gap:8px;font-size:.85rem;color:#555}.user-info .tier-badge{background:linear-gradient(135deg,#ff9800,#ff5722);color:#fff;padding:3px 10px;border-radius:12px;font-size:.75rem;font-weight:600}.user-info .tier-badge.free{background:#ccc;color:#666}.logout-btn{background:none;border:1px solid #ddd;padding:5px 12px;border-radius:15px;font-size:.8rem;cursor:pointer;color:#888;transition:all .2s}.logout-btn:hover{border-color:#f44336;color:#f44336}.home-container{text-align:center;padding:2rem;background:linear-gradient(180deg,#87ceeb,#e0f7fa);flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;width:100%;position:relative;overflow:hidden}.title{color:#fff;text-shadow:2px 3px 0px #FF9800,-1px -1px 0 #FF9800,1px -1px 0 #FF9800,-1px 1px 0 #FF9800,1px 1px 0 #FF9800;margin-bottom:3rem;font-size:clamp(2.5rem,5vw,4rem);z-index:10;padding:0 1rem}.button-group{display:flex;gap:1.5rem;flex-wrap:wrap;justify-content:center;z-index:10;max-width:800px;width:100%;padding:0 1rem}.level-btn{border:none;padding:1.5rem 2.5rem;border-radius:50px;font-size:clamp(1.2rem,3vw,1.8rem);font-weight:700;cursor:pointer;transition:transform .2s cubic-bezier(.175,.885,.32,1.275),box-shadow .2s;color:#fff;box-shadow:0 5px 15px #0003;flex:1 1 200px;max-width:300px;font-family:inherit}.level-btn:hover{transform:translateY(-8px) scale(1.05);box-shadow:0 12px 25px #0000004d}.level-btn:active{transform:translateY(2px) scale(.95)}.btn-100{background-color:#ff5722;border:4px solid #E64A19}.btn-1000{background-color:#4caf50;border:4px solid #388E3C}.btn-3000{background-color:#2196f3;border:4px solid #1976D2}.decoration{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}.sun{position:absolute;top:5%;right:10%;width:clamp(60px,10vw,100px);height:clamp(60px,10vw,100px);background:#ffeb3b;border-radius:50%;box-shadow:0 0 40px #ffeb3b;animation:pulse 4s infinite alternate}@keyframes pulse{0%{transform:scale(1);box-shadow:0 0 20px #ffeb3b}to{transform:scale(1.1);box-shadow:0 0 50px #ffeb3b,0 0 100px #ffeb3b}}.cloud{position:absolute;top:15%;left:10%;width:clamp(80px,15vw,150px);height:clamp(40px,7.5vw,75px);background:#fff;border-radius:50px;opacity:.9;animation:float 10s infinite ease-in-out alternate}.cloud:after{content:"";position:absolute;top:-40%;left:20%;width:60%;height:100%;background:#fff;border-radius:50%}@keyframes float{0%{transform:translate(0)}to{transform:translate(50px)}}.scenario-container{min-height:100vh;width:100%;padding:1rem;display:flex;flex-direction:column;transition:background-color .5s ease}.scenario-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 2rem;background:#ffffffb3;border-radius:20px;margin-bottom:2rem;box-shadow:0 4px 6px #0000000d;flex-wrap:wrap;gap:1rem}.scenario-header h1{margin:0;font-family:Comic Sans MS,sans-serif;color:#333}.back-btn{text-decoration:none;font-size:1.2rem;color:#555;background:#fff;padding:.5rem 1rem;border-radius:10px;font-weight:700;box-shadow:0 2px 4px #0000001a;transition:transform .2s}.back-btn:hover{transform:scale(1.05)}.items-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:2rem;padding:2rem;max-width:1000px;margin:0 auto;width:100%;flex:1}.item-card{background:#fff;border-radius:30px;display:flex;justify-content:center;align-items:center;aspect-ratio:1;cursor:pointer;box-shadow:0 8px 15px #0000001a;transition:all .3s cubic-bezier(.175,.885,.32,1.275);border:4px solid transparent}.item-card:hover,.item-card.active{transform:scale(1.1) translateY(-10px);box-shadow:0 15px 25px #0003;border-color:#ff9800;z-index:10}.item-icon{font-size:clamp(3rem,10vw,5rem);-webkit-user-select:none;user-select:none}.learning-panel{background:#fff;padding:2rem;border-radius:20px;text-align:center;margin:2rem auto;max-width:600px;width:90%;box-shadow:0 10px 30px #00000026;animation:slideUp .4s ease-out}.learning-panel.hint{opacity:.7;padding:1.5rem}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.panel-word{font-size:clamp(2rem,5vw,3rem);color:#ff5722;font-weight:700;margin-bottom:1rem;font-family:sans-serif}.panel-sentence{font-size:clamp(1.2rem,3vw,1.5rem);color:#666}@media(max-width:600px){.items-grid{grid-template-columns:repeat(2,1fr);gap:1rem;padding:1rem}.scenario-header{flex-direction:column;text-align:center}}.dictionary-container{min-height:100vh;width:100%;padding:1rem;background-color:#f3e5f5;display:flex;flex-direction:column}.dictionary-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 2rem;background:#fff;border-radius:20px;margin-bottom:2rem;box-shadow:0 4px 6px #0000000d;flex-wrap:wrap;gap:1rem}.dictionary-header h1{margin:0;font-family:Comic Sans MS,sans-serif;color:#9c27b0}.dictionary-list{max-width:800px;width:100%;margin:0 auto;display:flex;flex-direction:column;gap:1.5rem;padding-bottom:2rem}.dictionary-card{background:#fff;border-radius:15px;padding:1.5rem;display:flex;align-items:center;gap:1.5rem;box-shadow:0 4px 10px #0000000d;transition:transform .2s}.dictionary-card:hover{transform:translate(10px);box-shadow:0 6px 15px #0000001a}.dict-icon{font-size:3.5rem;-webkit-user-select:none;user-select:none;background:#f5f5f5;width:80px;height:80px;display:flex;align-items:center;justify-content:center;border-radius:50%}.dict-content{flex:1}.dict-word{margin:0 0 .5rem;color:#333;font-size:2rem}.dict-sentence{margin:0;color:#666;font-size:1.2rem}.listen-btn{background:#e1bee7;color:#4a148c;border:none;padding:1rem;border-radius:50px;font-size:1.2rem;cursor:pointer;font-weight:700;transition:background .2s;display:flex;align-items:center;gap:8px}.listen-btn:hover{background:#ce93d8}.empty-state{text-align:center;font-size:1.5rem;color:#888;padding:3rem}@media(max-width:600px){.dictionary-card{flex-direction:column;text-align:center}.dict-icon{margin:0 auto}.listen-btn{width:100%;justify-content:center}}.phrase-group-card{background:#fff;border-radius:15px;padding:1.5rem;box-shadow:0 4px 10px #0000000d;margin-bottom:1.5rem}.phrase-group-header{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem;border-bottom:2px solid #F3E5F5;padding-bottom:1rem}.phrase-group-header h2{margin:0;color:#9c27b0;font-size:1.8rem}.group-emoji{font-size:2.5rem}.phrases-list{display:flex;flex-direction:column;gap:.8rem}.phrase-row{display:flex;align-items:center;justify-content:space-between;background:#f9f9f9;padding:.8rem 1.2rem;border-radius:10px;transition:background .2s}.phrase-row:hover{background:#f3e5f5}.phrase-row p{margin:0;font-size:1.2rem;color:#333}.listen-mini-btn{background:#ce93d8;border:none;font-size:1.2rem;width:40px;height:40px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .2s}.listen-mini-btn:hover{transform:scale(1.1);background:#ab47bc}