@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap";body{margin:0;padding:0}#root{width:100%;min-height:100vh}:root{--bg-color:#f7f3e8;--surface-color:#fcfbf7;--text-primary:#2d2a26;--text-secondary:#7a756b;--text-muted:#d1cbbd;--accent-color:#4b88a2;--correct-color:#2d2a26;--incorrect-color:#e06c75;--border-color:#eaddc5;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000000d, 0 2px 4px -2px #0000000d;--gold:#f59e0b}*{box-sizing:border-box}body{background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;justify-content:center;align-items:center;min-height:100vh;margin:0;font-family:Inter,sans-serif;display:flex;overflow-x:hidden}.surface-panel{background:var(--surface-color);border:1px solid var(--border-color);box-shadow:var(--shadow-md);border-radius:16px;padding:3rem}.container{flex-direction:column;gap:2rem;width:90vw;max-width:1400px;margin:0 auto;padding:2rem 0;display:flex}header{justify-content:space-between;align-items:center;padding:0 1rem;display:flex}header h1{letter-spacing:-1px;margin:0;font-size:2.5rem;font-weight:700}.highlight{color:var(--accent-color)}.typing-app.container{width:95vw;max-width:1600px;margin:0 auto;padding:2rem 0}.auth-container{width:100%;max-width:400px;margin:0 auto}.auth-container input{border:1px solid var(--border-color);border-radius:12px;width:100%;margin:10px 0;padding:16px;font-size:1.1rem}.auth-container input:focus{border-color:var(--accent-color);outline:none;box-shadow:0 0 0 3px #3b82f633}.btn-primary,.btn-secondary,.btn-guest{cursor:pointer;border:none;border-radius:10px;width:100%;margin-top:10px;padding:14px 28px;font-size:1.1rem;font-weight:600;transition:all .2s}.btn-primary{background:var(--accent-color);color:#fff}.btn-primary:hover{box-shadow:var(--shadow-md);background:#2563eb;transform:translateY(-2px)}.btn-secondary{border:1px solid var(--border-color);color:var(--text-secondary);background:#fff}.btn-secondary:hover{color:var(--text-primary);background:#f9fafb}.btn-guest{color:var(--text-secondary);background:#f3f4f6}.btn-guest:hover{color:var(--text-primary);background:#e5e7eb}.level-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;margin-top:2rem;display:grid}.level-card{background:var(--surface-color);border:1px solid var(--border-color);text-align:left;cursor:pointer;box-shadow:var(--shadow-sm);border-radius:16px;padding:2.5rem 2rem;transition:all .2s}.level-card:hover{border-color:var(--accent-color);box-shadow:var(--shadow-md);transform:translateY(-4px)}.level-card h3{margin:0;font-size:1.4rem}.prep-container{align-items:stretch;gap:2rem;display:flex}.prep-panel{flex:2}.leaderboard-list{flex-direction:column;gap:.5rem;margin-top:1.5rem;display:flex}.leaderboard-item{background:var(--bg-color);border-radius:8px;justify-content:space-between;padding:12px 16px;font-weight:500;display:flex}.leaderboard-item.top-1{color:var(--gold);border-left:4px solid var(--gold);background:#f59e0b1a}.leaderboard-item.top-2{background:#9ca3af1a;border-left:4px solid #9ca3af}.leaderboard-item.top-3{background:#b453091a;border-left:4px solid #b45309}.best-score-panel{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;display:flex}.best-score-value{color:var(--accent-color);margin:1rem 0 0;font-family:JetBrains Mono,monospace;font-size:4rem;font-weight:700}.dashboard{background:var(--surface-color);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);border-radius:16px;justify-content:space-between;padding:2rem 4rem;display:flex}.stat-box{text-align:center;flex:1}.stat-value{color:var(--text-primary);font-family:JetBrains Mono,monospace;font-size:3.5rem;font-weight:600;line-height:1}.stat-label{text-transform:uppercase;letter-spacing:2px;color:var(--text-secondary);margin-top:.8rem;font-size:1rem;font-weight:600}.typing-layout-wrapper{flex-direction:row;align-items:stretch;gap:2rem;margin-top:1rem;display:flex}.side-dashboard{flex-direction:column;flex-shrink:0;gap:2.5rem;width:140px;padding-top:2rem;display:flex}.typing-main-column{flex-direction:column;flex-grow:1;gap:1rem;min-width:0;display:flex}.circular-stat-wrapper{width:100px;height:100px;margin:0 auto;position:relative}.circular-stat-content{flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:absolute;top:0;left:0}.circular-stat-value{color:var(--text-primary);font-size:1.8rem;font-weight:800;line-height:1}.circular-stat-label{color:var(--text-secondary);margin-top:4px;font-size:.8rem}.circular-progress-circle{transform-origin:50%;transition:stroke-dashoffset .5s ease-out;transform:rotate(-90deg)}.star-rating{justify-content:center;gap:10px;display:flex}.star{font-size:4rem;transition:all .5s cubic-bezier(.175,.885,.32,1.275)}.star.active{color:#fbbf24;text-shadow:0 0 25px #fbbf2499;animation:1s starPulse;transform:scale(1.1)}.star.inactive{color:var(--border-color);transform:scale(.9)}@keyframes starPulse{0%{opacity:.5;transform:scale(.8)}50%{transform:scale(1.3)}to{opacity:1;transform:scale(1.1)}}.typing-area{background:var(--surface-color);border:1px solid var(--border-color);height:650px;box-shadow:var(--shadow-sm);text-align:left;border-radius:16px;padding:3.5rem 2.5rem 260px;position:relative;overflow-y:auto}.typing-area.practice-mode{height:auto;min-height:120px;padding-bottom:2.5rem}.typing-area::-webkit-scrollbar{width:8px}.typing-area::-webkit-scrollbar-track{background:0 0}.typing-area::-webkit-scrollbar-thumb{background-color:var(--border-color);border-radius:10px}.text-display{color:var(--text-muted);word-break:break-all;font-family:JetBrains Mono,monospace;font-size:2.5rem;line-height:1.7}.text-display .char{transition:color .1s;position:relative}.text-display .correct{color:var(--correct-color)}.text-display.pinyin-mode{flex-wrap:wrap;gap:24px 16px;display:flex}.pinyin-block{flex-direction:column;align-items:center;display:flex;position:relative}.pinyin-zh{color:var(--text-primary);opacity:.9;margin-bottom:2px;font-family:Inter,sans-serif;font-size:2.2rem}.pinyin-letters{display:flex}.text-display .current-target{background-color:#3b82f626;border-radius:4px;box-shadow:0 0 0 2px #3b82f666}.text-display .space-char{opacity:.35}.text-display .correct.space-char{opacity:0}.cursor{background-color:var(--accent-color);border-radius:2px;width:100%;height:3px;animation:1s infinite blink;position:absolute;bottom:0;left:0}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.shake{animation:.3s cubic-bezier(.36,.07,.19,.97) both shake}@keyframes shake{10%,90%{transform:translate(-1px)}20%,80%{transform:translate(1px)}30%,50%,70%{transform:translate(-1px)}40%,60%{transform:translate(1px)}}.progress-container{background:var(--border-color);border-radius:6px;width:100%;height:6px;margin-top:12px;overflow:hidden}.progress-fill{background:var(--accent-color);height:100%;transition:width .15s ease-out}.keyboard{flex-direction:column;align-items:center;gap:10px;margin-top:4rem;display:flex}.keyboard-row{gap:10px;display:flex}.key{background:var(--surface-color);border:1px solid var(--border-color);width:60px;height:60px;color:var(--text-secondary);border-radius:10px;justify-content:center;align-items:center;font-family:Inter,sans-serif;font-size:1.2rem;font-weight:600;transition:all 50ms;display:flex;box-shadow:0 4px #d1d5db}.key.active{background:var(--accent-color);color:#fff;border-color:var(--accent-color);transform:translateY(4px);box-shadow:0 0 #0000}.key.space{width:400px}.result-modal{text-align:center;padding:4rem}.result-modal h2{margin-bottom:1rem;font-size:3rem}.new-record{color:var(--gold);font-size:1.5rem;font-weight:700;animation:1.5s infinite pulse}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.key.practice-mode{border-bottom:2px solid #0000001a;transition:all .2s}.key.practice-mode.L-Pinky{color:#b71c1c;background:#ffebee;border-color:#ffcdd2}.key.practice-mode.L-Ring{color:#e65100;background:#fff3e0;border-color:#ffe0b2}.key.practice-mode.L-Middle{color:#f57f17;background:#fff8e1;border-color:#ffecb3}.key.practice-mode.L-Index{color:#1b5e20;background:#e8f5e9;border-color:#c8e6c9}.key.practice-mode.R-Index{color:#006064;background:#e0f7fa;border-color:#b2ebf2}.key.practice-mode.R-Middle{color:#0d47a1;background:#e3f2fd;border-color:#bbdefb}.key.practice-mode.R-Ring{color:#4a148c;background:#f3e5f5;border-color:#e1bee7}.key.practice-mode.R-Pinky{color:#880e4f;background:#fce4ec;border-color:#f8bbd0}.key.practice-mode.Thumbs{color:#263238;background:#eceff1;border-color:#cfd8dc}@keyframes keyGlow{0%{transform:translateY(0);box-shadow:0 0 5px}to{transform:translateY(-3px);box-shadow:0 0 15px,inset 0 0 10px}}.key.expected{z-index:10;font-weight:800;border:2px solid!important;animation:.8s infinite alternate keyGlow!important}.keyboard-trainer-wrapper{justify-content:center;width:830px;margin-top:4rem;margin-left:auto;margin-right:auto;display:flex;position:relative}.keyboard{flex-direction:column;align-items:center;gap:10px;width:100%;display:flex}.virtual-hands{pointer-events:none;z-index:20;width:100%;height:270px;position:absolute;top:0;left:0}.virtual-hands svg{width:100%;height:100%;overflow:visible}.virtual-hands .finger,.virtual-hands .palm{fill:#ffffff0d;stroke:#96969680;stroke-width:3px;transition:all .2s cubic-bezier(.175,.885,.32,1.275)}.virtual-hands .finger.highlight{fill:#3b82f666;stroke:#3b82f6;transform-origin:bottom;animation:.4s infinite alternate tapFinger}body[data-theme=dark] .virtual-hands .finger,body[data-theme=dark] .virtual-hands .palm{stroke:#ffffff4d}@keyframes tapFinger{0%{fill:#3b82f666;transform:translateY(0)}to{fill:#3b82f699;transform:translateY(-12px)}}