#app{width:100%;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}:root{--primary-color: #667eea;--secondary-color: #764ba2;--success-color: #27ae60;--danger-color: #e74c3c;--warning-color: #f39c12;--info-color: #3498db;--text-color: #2c3e50;--bg-color: #f8f9fa;--card-bg: rgba(255, 255, 255, .95);--border-radius: 15px;--box-shadow: 0 20px 40px rgba(0, 0, 0, .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Microsoft YaHei,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;color:var(--text-color);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{width:100%;min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:20px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border:none;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s ease;touch-action:manipulation;-webkit-tap-highlight-color:transparent}.btn:active{transform:scale(.96)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff}.btn-success{background:linear-gradient(135deg,var(--success-color),#229954);color:#fff}.btn-danger{background:linear-gradient(135deg,var(--danger-color),#c0392b);color:#fff}.btn-warning{background:linear-gradient(135deg,var(--warning-color),#e67e22);color:#fff}.btn-info{background:linear-gradient(135deg,var(--info-color),#2980b9);color:#fff}.btn-outline{background:transparent;border:2px solid currentColor}.btn-small{padding:8px 12px;font-size:12px;border-radius:6px}.card{background:var(--card-bg);border-radius:var(--border-radius);padding:20px;box-shadow:var(--box-shadow)}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:8px;font-weight:600;color:var(--text-color)}.form-control{width:100%;padding:12px 16px;border:2px solid #e0e0e0;border-radius:10px;font-size:14px;transition:all .3s ease;background:#fff}.form-control:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #667eea33}select.form-control{cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}textarea.form-control{resize:vertical;min-height:120px;font-family:Courier New,monospace}.status-bar{text-align:center;padding:16px;margin:16px 0;border-radius:12px;font-weight:700}.status-bar.playing{background:#d4edda;color:#155724;border:2px solid #c3e6cb}.status-bar.stopped{background:#f8d7da;color:#721c24;border:2px solid #f5c6cb}.page-header{text-align:center;padding:24px 20px;color:#fff}.page-header h1{font-size:1.8em;text-shadow:2px 2px 4px rgba(0,0,0,.2);margin-bottom:8px}.page-header p{opacity:.9;font-size:.9em}.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:#fff;display:flex;justify-content:space-around;padding:6px 0;box-shadow:0 -2px 12px #00000014;z-index:100}.bottom-nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;color:#666;text-decoration:none;font-size:10px;transition:color .3s;padding:2px 12px}.bottom-nav-item.active{color:var(--primary-color)}.bottom-nav-item svg{width:20px;height:20px}@media (max-width: 768px){.container{padding:16px 16px 80px}.card{padding:16px;border-radius:12px}.page-header h1{font-size:1.5em}}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal-content{background:#fff;border-radius:16px;width:100%;max-width:500px;max-height:80vh;overflow:hidden;display:flex;flex-direction:column}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid #eee;background:#f8f9fa}.modal-header h3{margin:0;font-size:16px}.modal-close{background:none;border:none;font-size:24px;cursor:pointer;color:#666;padding:0;line-height:1}.modal-body{padding:16px;overflow-y:auto;flex:1}.instrument-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.tab-btn{padding:8px 12px;background:#f1f1f1;border:none;border-radius:8px;cursor:pointer;font-size:12px;transition:all .2s;white-space:nowrap}.tab-btn:hover{background:#e0e0e0}.tab-btn.active{background:var(--primary-color);color:#fff}.instrument-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}.tab-content{overflow-y:auto}.tab-pane{display:none}.tab-pane.active{display:block}.instrument-item{padding:12px;border:2px solid #e0e0e0;border-radius:10px;cursor:pointer;transition:all .2s;text-align:center;background:#fff}.instrument-item:hover{border-color:var(--primary-color);background:#f8f9ff}.instrument-item.selected{border-color:var(--success-color);background:#e8f5e9}.instrument-item .name{font-weight:700;font-size:13px;margin-bottom:4px}.instrument-item .id{font-size:11px;color:#666}