@import "https://fonts.googleapis.com/css2?family=Fredoka:wght@300..700&family=Outfit:wght@100..900&display=swap";:root{--primary-h:0;--primary-s:100%;--primary-l:71%;--primary:hsl(var(--primary-h), var(--primary-s), var(--primary-l));--secondary-h:178;--secondary-s:53%;--secondary-l:55%;--secondary:hsl(var(--secondary-h), var(--secondary-s), var(--secondary-l));--accent-h:50;--accent-s:100%;--accent-l:74%;--accent:hsl(var(--accent-h), var(--accent-s), var(--accent-l));--bg:#f8fcf8;--text:#2f3f46;--card-bg:#ffffffb3;--glass-border:#ffffff80;--shadow-premium:0 20px 50px #0000001a;--shadow-inner:inset 0 2px 4px #0000000d;--border-radius-lg:32px;--border-radius-md:20px;--border-radius-sm:12px;--font-kids:"Fredoka", sans-serif;--font-main:"Outfit", sans-serif}body{font-family:var(--font-main);background:var(--bg);background-image:radial-gradient(circle at 0% 0%, hsla(var(--primary-h), var(--primary-s), var(--primary-l), .15) 0%, transparent 40%), radial-gradient(circle at 100% 100%, hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), .15) 0%, transparent 40%);color:var(--text);justify-content:center;min-height:100svh;margin:0;padding:0;display:flex;overflow-x:hidden}@media (width<=480px){body{overflow-y:auto}}#root{box-sizing:border-box;flex-direction:column;width:100%;max-width:600px;min-height:100svh;padding:30px 20px;display:flex}@media (width<=480px){#root{padding:20px 15px}}@media (width>=768px){#root{justify-content:center;max-width:1000px}}.App,.app-main-layout{flex-direction:column;flex:1;width:100%;display:flex}@media (width>=768px){.app-main-layout{flex-direction:row;justify-content:center;align-items:flex-start;gap:30px;width:100%;margin-top:20px}.sidebar{flex-direction:column;flex:0 0 180px;min-width:180px;display:flex;position:sticky;top:20px}main{flex:1;width:100%;max-width:550px}}main{flex:1}header{text-align:center;margin-bottom:24px}@media (width<=480px){header{margin-bottom:8px}}.install-prompt-container{justify-content:center;margin-top:15px;display:flex}.install-btn{box-shadow:0 4px 12px hsla(var(--primary-h), var(--primary-s), var(--primary-l), .3);border-radius:100px;padding:8px 24px;font-size:.9rem}.title{font-family:var(--font-kids);background:linear-gradient(135deg, var(--primary), hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), 1));-webkit-text-fill-color:transparent;filter:drop-shadow(0 4px 6px #0000000d);-webkit-background-clip:text;background-clip:text;margin:0;font-size:3.5rem}@media (width<=480px){.title{font-size:1.8rem}}.subtitle{color:var(--text);opacity:.6;letter-spacing:.02em;font-size:1.1rem}@media (width<=480px){.subtitle{font-size:.8rem}}.board-container{background:var(--card-bg);-webkit-backdrop-filter:blur(20px);border:4px solid var(--glass-border);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-premium);flex-direction:column;align-items:center;margin-bottom:20px;padding:30px;transition:transform .3s;display:flex;position:relative}@media (width<=480px){.board-container{border-radius:var(--border-radius-md);margin-bottom:10px;padding:15px}}.character-info{text-align:center;margin-bottom:15px}@media (width<=480px){.character-info{margin-bottom:8px}}.character-pinyin{color:var(--secondary);margin-bottom:4px;font-size:1.5rem;font-weight:700}@media (width<=480px){.character-pinyin{font-size:1.2rem}}.character-meaning{color:var(--text);opacity:.6;font-size:1rem;font-weight:500}@media (width<=480px){.character-meaning{font-size:.85rem}}.canvas-wrapper{border-radius:var(--border-radius-md);box-shadow:var(--shadow-inner);background:#fff;border:2px solid #00000008;padding:10px;position:relative}@media (width<=480px){.canvas-wrapper{padding:5px}}.hanzi-canvas{cursor:crosshair;touch-action:none;border-radius:calc(var(--border-radius-md) - 4px)}.controls{justify-content:center;gap:20px;width:100%;margin-top:20px;display:flex}@media (width<=480px){.controls{gap:10px;margin-top:15px}}.btn{border-radius:var(--border-radius-md);font-family:var(--font-kids);cursor:pointer;flex:initial;border:none;justify-content:center;align-items:center;gap:8px;padding:8px 16px;font-size:.95rem;font-weight:700;transition:all .3s cubic-bezier(.175,.885,.32,1.275);display:flex}@media (width<=480px){.btn{padding:10px 15px;font-size:.95rem}}.btn:hover{transform:translateY(-4px);box-shadow:0 10px 20px #0000001a}.btn:active{transform:translateY(0)}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 15px hsla(var(--primary-h), var(--primary-s), var(--primary-l), .3)}.btn-secondary{color:var(--secondary);border:2px solid var(--secondary);background:#fff}.reveal-btn{border-color:var(--primary);color:var(--primary)}.reveal-btn:hover{background:hsla(var(--primary-h), var(--primary-s), var(--primary-l), .03)}.btn-accent{background:var(--accent);color:var(--text);box-shadow:0 8px 15px hsla(var(--accent-h), var(--accent-s), var(--accent-l), .3)}.word-selector-container{margin-bottom:20px}@media (width>=768px){.word-selector-container{flex-direction:row;align-items:flex-start;gap:15px;display:flex}}@media (width<=480px){.word-selector-container{margin-bottom:12px}}.level-tabs{flex-direction:column;flex:0 0 85px;gap:10px;margin-bottom:15px;display:flex}@media (width<=767px){.level-tabs{flex-direction:row;flex:1;justify-content:center;padding-bottom:5px;overflow-x:auto}}.level-tab{border-radius:var(--border-radius-sm);cursor:pointer;box-sizing:border-box;background:#fff;border:none;flex-direction:column;align-items:center;width:100%;min-width:70px;padding:10px 14px;transition:all .3s;display:flex;box-shadow:0 4px 12px #0000000d}@media (width<=767px){.level-tab{width:auto;min-width:60px}}.level-tab.active{background:var(--secondary);color:#fff;box-shadow:0 8px 20px hsla(var(--secondary-h), var(--secondary-s), var(--secondary-l), .4);transform:scale(1.1)}.level-tab .level-label{font-family:var(--font-kids);font-size:1.2rem;font-weight:700}@media (width<=480px){.level-tab .level-label{font-size:1rem}}.level-tab .level-age{opacity:.8;font-size:.75rem;font-weight:500}@media (width<=480px){.level-tab .level-age{font-size:.6rem}}.word-list{scrollbar-width:none;flex-direction:column;gap:12px;max-height:480px;padding:10px 5px;display:flex;overflow-y:auto}@media (width<=767px){.word-list{flex-direction:row;max-height:none;overflow:auto hidden}}.word-list::-webkit-scrollbar{display:none}.word-card{border-radius:var(--border-radius-sm);cursor:pointer;background:#fff;border:2px solid #0000;justify-content:center;align-items:center;min-width:70px;height:70px;font-size:2rem;transition:all .3s;display:flex;box-shadow:0 6px 15px #0000000d}@media (width<=480px){.word-card{min-width:48px;height:48px;font-size:1.4rem}}.word-card:hover{border-color:hsla(var(--primary-h), var(--primary-s), var(--primary-l), .3);transform:translateY(-6px)}.word-card.active{background:var(--primary);color:#fff;box-shadow:0 12px 25px hsla(var(--primary-h), var(--primary-s), var(--primary-l), .4);transform:translateY(-8px)scale(1.05)}.success-indicator{pointer-events:none;z-index:10;background:#ffffffe6;border-radius:50%;padding:20px;position:absolute;top:50%;left:50%;box-shadow:0 10px 40px #0000001a}@media (width<=480px){.success-indicator{padding:10px}}.mode-toggle{border-radius:var(--border-radius-sm);background:#0000000d;gap:6px;margin-bottom:15px;padding:6px;display:flex}@media (width<=480px){.mode-toggle{margin-bottom:12px;padding:4px}}.mode-btn{border-radius:calc(var(--border-radius-sm) - 2px);font-family:var(--font-kids);cursor:pointer;color:var(--text);opacity:.5;background:0 0;border:none;align-items:center;gap:8px;padding:10px 20px;font-weight:700;transition:all .3s;display:flex}@media (width<=480px){.mode-btn{padding:6px 12px;font-size:.9rem}}.mode-btn.active{opacity:1;background:#fff;box-shadow:0 4px 12px #00000014}.trace-toggle-btn{border-radius:0 var(--border-radius-sm) var(--border-radius-sm) 0;border-left:2px solid #0000000d;padding:10px}.dictation-entrance{justify-content:center;margin-bottom:24px;display:flex}.challenge-btn{box-shadow:0 12px 30px hsla(var(--accent-h), var(--accent-s), var(--accent-l), .4);padding:10px 24px;font-size:1rem;animation:2s infinite pulse}@media (width<=480px){.challenge-btn{padding:12px 24px;font-size:1rem}}.dictation-banner{background:var(--accent);color:var(--text);border-radius:var(--border-radius-sm);font-family:var(--font-kids);text-align:center;margin-bottom:20px;padding:12px 24px;font-size:1rem;font-weight:700;box-shadow:0 4px 15px #0000000d}@media (width<=480px){.dictation-banner{margin-bottom:10px;padding:8px 16px;font-size:.85rem}}.scoreboard-pill{color:var(--text);background:#fff6;border-radius:100px;align-items:center;gap:6px;padding:4px 16px;font-size:1.1rem;display:flex;box-shadow:0 2px 8px #0000000d}.score-val{color:hsl(var(--secondary-h), var(--secondary-s), 40%);font-weight:800}.score-sep{opacity:.4;font-weight:300}.score-total{opacity:.7;font-weight:600}@keyframes pulse{0%{box-shadow:0 12px 30px hsla(var(--accent-h), var(--accent-s), var(--accent-l), .4);transform:scale(1)}50%{box-shadow:0 15px 40px hsla(var(--accent-h), var(--accent-s), var(--accent-l), .6);transform:scale(1.05)}to{box-shadow:0 12px 30px hsla(var(--accent-h), var(--accent-s), var(--accent-l), .4);transform:scale(1)}}.mascot-container{z-index:5;justify-content:center;margin-bottom:-20px;display:flex;position:relative}@media (width<=480px){.mascot-container{display:none}}.mascot-img{filter:drop-shadow(0 10px 15px #0000001a);width:120px;height:auto;animation:4s ease-in-out infinite float}@keyframes float{0%,to{transform:translateY(0)rotate(0)}50%{transform:translateY(-10px)rotate(5deg)}}.custom-input-container{background:var(--card-bg);-webkit-backdrop-filter:blur(20px);border:4px solid var(--glass-border);border-radius:var(--border-radius-md);box-shadow:var(--shadow-premium);margin-bottom:30px;padding:30px;overflow:hidden}.custom-input-container.compact{padding:12px 20px}@media (width<=480px){.custom-input-container{margin-bottom:10px;padding:15px}}.compact-input-row{align-items:center;gap:15px;width:100%;display:flex}@media (width<=600px){.compact-input-row{flex-direction:column;align-items:stretch;gap:10px}}.compact-title{white-space:nowrap;color:var(--secondary);font-family:var(--font-kids);margin:0!important;font-size:1.2rem!important}.custom-input-container h3{font-family:var(--font-kids);color:var(--secondary);margin-top:0;margin-bottom:10px;font-size:1.5rem}@media (width<=480px){.custom-input-container h3{font-size:1.1rem}}.custom-input-container p{opacity:.6;margin-bottom:20px;font-size:.9rem}@media (width<=480px){.custom-input-container p{margin-bottom:10px;font-size:.75rem}}.custom-textarea{border-radius:var(--border-radius-sm);width:100%;height:120px;font-family:var(--font-main);resize:none;box-sizing:border-box;background:#fff;border:2px solid #0000001a;margin-bottom:20px;padding:15px;font-size:1.2rem;transition:border-color .3s}.custom-textarea.compact{height:52px;margin:0;padding:12px 15px;font-size:1.1rem;line-height:24px}@media (width<=480px){.custom-textarea{height:80px;margin-bottom:10px;padding:10px;font-size:1rem}.custom-textarea.compact{height:52px;margin-bottom:0}}.custom-textarea:focus{border-color:var(--secondary);outline:none}.custom-actions{gap:15px;display:flex}.custom-actions.compact{flex-shrink:0;margin:0}@media (width<=480px){.custom-actions{gap:8px}}