body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}#root{width:100%;min-height:100vh}:root{--primary-color:#4caf50;--secondary-color:#2196f3;--background-color:#f5f5f5;--card-background:#fff;--text-color:#333;--text-muted:#666;--border-color:#e0e0e0;--correct-color:#4caf50;--error-color:#f44336;--shadow:0 4px 6px #0000001a;--border-radius:8px;--transition:all .3s ease}*{box-sizing:border-box;margin:0;padding:0}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--background-color);color:var(--text-color);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;line-height:1.6}.app{flex-direction:row;min-height:100vh;display:flex}.sidebar{background-color:var(--card-background);width:280px;box-shadow:var(--shadow);transition:var(--transition);z-index:10;flex-direction:column;padding:20px;display:flex;position:relative}.sidebar.collapsed{width:60px}.sidebar-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.sidebar-header h1{color:var(--primary-color);white-space:nowrap;text-overflow:ellipsis;transition:var(--transition);font-size:20px;overflow:hidden}.sidebar.collapsed .sidebar-header h1{opacity:0;width:0}.toggle-sidebar-btn{border:1px solid var(--border-color);background-color:var(--card-background);cursor:pointer;width:32px;height:32px;color:var(--text-muted);transition:var(--transition);border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;font-size:16px;display:flex}.toggle-sidebar-btn:hover{border-color:var(--primary-color);color:var(--primary-color)}.current-final{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;transition:var(--transition);margin-bottom:20px;font-size:14px;overflow:hidden}.sidebar.collapsed .current-final{opacity:0;height:0;margin:0}.mode-btn{border:2px solid var(--border-color);background-color:var(--card-background);border-radius:var(--border-radius);cursor:pointer;transition:var(--transition);text-align:left;white-space:nowrap;text-overflow:ellipsis;padding:10px 16px;font-size:14px;font-weight:500;overflow:hidden}.sidebar.collapsed .mode-btn{text-align:center;justify-content:center;align-items:center;width:40px;height:40px;padding:0;font-size:12px;display:flex}.mode-btn:hover{border-color:var(--primary-color)}.mode-btn.active{background-color:var(--primary-color);color:#fff;border-color:var(--primary-color)}.lyrics-mode-toggle{flex-direction:column;gap:10px;display:flex}.sidebar.collapsed .lyrics-mode-toggle{align-items:center}.main{flex-direction:column;flex:1;justify-content:flex-start;align-items:center;gap:22px;padding:40px 20px;display:flex;overflow-y:auto}.progress-card{background-color:var(--card-background);border-radius:var(--border-radius);width:100%;max-width:500px;box-shadow:var(--shadow);padding:16px 20px}.progress-header{justify-content:space-between;margin-bottom:10px;font-weight:600;display:flex}.progress-track{background-color:var(--border-color);border-radius:999px;width:100%;height:10px;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--secondary-color), var(--primary-color));height:100%;transition:width .3s}.progress-percent{text-align:right;color:var(--text-muted);margin-top:8px;font-size:14px}.typing-stats{width:100%;max-width:760px;color:var(--text-muted);justify-content:center;gap:40px;display:flex}.stat-item{align-items:baseline;gap:8px;font-size:18px;display:flex}.stat-label{color:#7d7d7d}.stat-value{color:var(--text-color);font-weight:600}.loading-state{text-align:center;color:#8f8f8f;width:100%;max-width:860px;padding:36px 16px;font-size:18px}.footer{background-color:var(--card-background);text-align:center;color:var(--text-muted);padding:20px;font-size:14px;box-shadow:0 -2px 10px #0000000d}.footer a{color:var(--secondary-color);text-decoration:none}.footer a:hover{text-decoration:underline}@media (width<=768px){.app{flex-direction:column}.sidebar{width:100%;padding:15px}.sidebar.collapsed{width:100%;height:60px;overflow:hidden}.sidebar-header{margin-bottom:15px}.sidebar-header h1{font-size:18px}.mode-btn{padding:8px 12px;font-size:13px}.sidebar.collapsed .mode-btn{width:36px;height:36px;font-size:11px}.lyrics-mode-toggle{flex-flow:wrap;justify-content:center}.sidebar.collapsed .lyrics-mode-toggle{display:none}.main{gap:16px;padding:20px 15px}.typing-stats{flex-direction:column;align-items:center;gap:8px}}@media (width<=480px){.sidebar-header h1{font-size:16px}.mode-btn{padding:6px 10px;font-size:12px}.sidebar.collapsed .mode-btn{width:32px;height:32px;font-size:10px}.main{gap:12px;padding:15px 10px}}