.wrapper{padding:20px 40px 30px 0;border-radius:20px;background:#141414}.wrapper header{display:flex;margin-left:40px;color:#B2B2B2;align-items:center;justify-content:space-between}header h2{font-size:1.6rem}header .column{display:flex;align-items:center}header span{font-weight:500;margin-right:15px;font-size:1.19rem}header input{outline:none;border-radius:30px}.piano-keys{display:flex;list-style:none;margin-top:40px}.piano-keys .key{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;position:relative;padding-bottom:12px}.piano-keys .kbd{font-size:1.1rem;color:#A2A2A2;font-weight:700;margin-bottom:2px}.piano-keys .note{font-size:.9rem;color:#666;margin-bottom:4px}.piano-keys .white{height:230px;width:62px;border-radius:8px;border:1px solid #000;background:linear-gradient(#fff 96%,#eee 4%)}.piano-keys .white.active{box-shadow:inset -5px 5px 20px rgb(0 0 0 / .2);background:linear-gradient(to bottom,#fff 0%,#eee 100%)}.piano-keys .black{z-index:2;width:44px;height:140px;margin:0 -22px 0 -22px;border-radius:0 0 5px 5px;background:linear-gradient(#333,#000)}.piano-keys .black.active{box-shadow:inset -5px -10px 10px rgb(255 255 255 / .1);background:linear-gradient(to bottom,#000,#434343)}.piano-keys .key span{position:absolute;bottom:20px;width:100%;color:#A2A2A2;font-size:1.13rem;text-align:center;line-height:1.1}.piano-keys .key .note{position:absolute;top:170px;left:0;width:100%;color:#666;font-size:.9rem;height:92px;background-color:inherit;border-radius:inherit;transform:inherit;text-align:center;line-height:1.1}.piano-keys .key.hide span{display:none}.piano-keys .black span{bottom:13px;color:#888}.piano-keys .black .note{top:60px;color:#bbb}.note-dyn{margin:15px 0 15px 40px;padding:10px;background-color:rgb(255 255 255 / .1);border-radius:8px;font-size:1.2rem;font-weight:700;color:#fff;text-align:center;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}@media screen and (max-width:815px){.wrapper{padding:25px}header:where(h2,.column){margin-bottom:13px}.piano-keys{margin-top:20px}.piano-keys .key:where(:nth-child(9),:nth-child(10)){display:none}.piano-keys .black{height:100px;width:40px;margin:0 -20px 0 -20px}.piano-keys .white{height:180px;width:60px}}@media screen and (max-width:615px){.piano-keys .key:nth-child(13),.piano-keys .key:nth-child(14),.piano-keys .key:nth-child(15),.piano-keys .key:nth-child(16),.piano-keys .key:nth-child(17){display:none}.piano-keys .white{width:50px}.piano-keys .kbd{font-size:.8rem}.piano-keys .note{font-size:.7rem}.piano-keys .key{padding-bottom:6px}}.controls{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.controls button{padding:10px 20px;font-size:16px;cursor:pointer;border:none;border-radius:5px;background-color:#4caf50;color:#fff;transition:background-color 0.3s ease}.controls button i{margin-right:5px}.controls button:disabled{background-color:#ccc;cursor:not-allowed}#start-recording{background-color:#ae1818;display:none}.title-container{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.slug-btns{padding:5px 10px;font-size:16px;cursor:pointer;color:#e0e0e0}#play-slug-btn{background-color:#4CAF50}#stop-slug-btn{background-color:#4CAF50}#start-new-recording{background-color:#2196F3}.user-recordings{margin-top:30px;padding:20px;background:#f5f5f5;border-radius:10px;border:1px solid #ddd}.user-recordings h3{margin:0 0 15px 0;color:#333;font-size:1.3rem}.recordings-list{display:flex;flex-direction:column;gap:10px}.recording-item{display:flex;justify-content:space-between;align-items:center;padding:12px 15px;background:#fff;border-radius:8px;border:1px solid #e0e0e0;transition:all 0.3s ease}.recording-item:hover{box-shadow:0 2px 8px rgb(0 0 0 / .1);transform:translateY(-1px)}.recording-info{flex:1}.recording-title{font-weight:600;color:#333;margin-bottom:4px}.recording-date{font-size:.9rem;color:#666}.recording-actions{display:flex;gap:8px}.recording-btn{padding:6px 12px;border:none;border-radius:4px;cursor:pointer;font-size:.9rem;transition:background-color 0.3s ease}.play-btn{background-color:#4CAF50;color:#fff}.play-btn:hover{background-color:#45a049}.delete-btn{background-color:#f44336;color:#fff}.delete-btn:hover{background-color:#d32f2f}.no-recordings{text-align:center;color:#666;font-style:italic;padding:20px}@media (orientation:landscape) and (max-width:900px){.wrapper{padding:5px 0 10px 0}.piano-keys .white{width:6vw;min-width:24px;max-width:40px}.piano-keys .black{width:3vw;min-width:12px;max-width:24px;margin:0 -1.5vw 0 -1.5vw}}@media screen and (max-width:700px) and (orientation:portrait){.wrapper{overflow-x:auto}.piano-keys{min-width:700px;width:700px;max-width:none;overflow-x:auto}}.usage-guide{background:#f8f9fa;border:1px solid #e9ecef;border-radius:8px;padding:30px;margin:20px 0;box-shadow:0 2px 4px rgba(0,0,0,0.05);transition:box-shadow 0.2s ease}.usage-guide:hover{box-shadow:0 4px 8px rgba(0,0,0,0.1)}.usage-guide h2{color:#2c3e50;font-weight:600;text-align:center;margin-bottom:2rem;font-size:1.5rem;position:relative}.usage-guide h2::after{content:'';position:absolute;bottom:-8px;left:50%;transform:translateX(-50%);width:50px;height:2px;background:#2196F3;border-radius:1px}.usage-guide h4{font-weight:600;margin-bottom:1rem;position:relative;padding-left:12px;color:#2c3e50;font-size:1.1rem}.usage-guide h4::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:16px;background:#2196F3;border-radius:1px}.keyboard-map{background:#fff;padding:20px;border-radius:6px;border:1px solid #e9ecef;box-shadow:0 1px 3px rgba(0,0,0,0.05);transition:border-color 0.2s ease;margin-bottom:1rem}.keyboard-map:hover{border-color:#2196F3;box-shadow:0 2px 6px rgba(33,150,243,0.1)}.keyboard-map strong{color:#2c3e50;font-weight:600}.feature-item{transition:all 0.2s ease;border:1px solid #e9ecef;border-radius:6px;padding:15px;margin-bottom:10px;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,0.05)}.feature-item:hover{transform:translateY(-2px);box-shadow:0 4px 8px rgba(0,0,0,0.1);border-color:#2196F3}.feature-item h5{font-weight:600;margin-bottom:0.5rem;display:flex;align-items:center;gap:8px}.feature-item p{line-height:1.5;color:#555}.usage-guide .gradient-bg{background:linear-gradient(135deg,#f8f9fa 0%,#e3f2fd 100%);color:#2c3e50;border-radius:8px;padding:25px;position:relative;overflow:hidden;border:1px solid #bbdefb;margin-top:1.5rem}.usage-guide .gradient-bg::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,rgba(33,150,243,0.05) 0%,rgba(33,150,243,0.02) 100%);pointer-events:none}.usage-guide .gradient-bg h4{color:#2c3e50;font-weight:600;margin-bottom:1.5rem;text-shadow:none;font-size:1.2rem}.usage-guide .gradient-bg ul li{color:#555;font-weight:400;margin-bottom:0.8rem;display:flex;align-items:center;gap:10px;padding:5px 0}.usage-guide .gradient-bg ul li strong{color:#2c3e50;font-weight:600}@media (max-width:768px){.usage-guide{margin:1rem 0;padding:20px}.usage-guide h2{font-size:1.3rem;margin-bottom:1.5rem}.usage-guide h4{font-size:1.1rem}.feature-item{margin-bottom:1rem;padding:12px}.keyboard-map{font-size:0.85rem;padding:15px}.usage-guide .gradient-bg{padding:20px}}@media (max-width:576px){.usage-guide{padding:15px;margin:10px 0}.usage-guide h2{font-size:1.2rem;margin-bottom:1rem}.usage-guide .gradient-bg{padding:15px;margin-top:1rem}.usage-guide .gradient-bg ul li{font-size:0.9rem;margin-bottom:0.5rem}.feature-item{padding:10px;margin-bottom:8px}.keyboard-map{padding:12px}}@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.usage-guide{animation:none}.feature-item{animation:none;animation-fill-mode:none}.feature-item:nth-child(1){animation-delay:0s}.feature-item:nth-child(2){animation-delay:0s}.feature-item:nth-child(3){animation-delay:0s}.usage-guide .list-unstyled li{transition:all 0.2s ease;padding:8px 0;border-radius:4px;margin-bottom:5px}.usage-guide .list-unstyled li:hover{background-color:rgba(33,150,243,0.08);padding-left:8px}.usage-guide .text-muted{color:#6c757d !important;font-style:italic;font-size:0.9rem}.usage-guide .text-center{text-align:center}.usage-guide .mb-0{margin-bottom:0}.usage-guide .mb-1{margin-bottom:0.25rem}.usage-guide .mb-2{margin-bottom:0.5rem}.usage-guide .mb-3{margin-bottom:1rem}.usage-guide .mb-4{margin-bottom:1.5rem}.usage-guide .mt-4{margin-top:1.5rem}.usage-guide .p-3{padding:1rem}.usage-guide .p-4{padding:1.5rem}