*{margin:0;padding:0;box-sizing:border-box}:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;line-height:1.6;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh}#root{min-height:100vh}:root{--knob-size: 120px;--knob-inner-size: 80px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{min-height:100vh;display:flex;flex-direction:column;background:linear-gradient(135deg,#6b46c1,#9b6ba8,#b8836e,#c89b6b,#a8aa78,#6ba985,#4a9b8c 90%,#2d8b7c);position:relative}.app-header-minimal{position:absolute;top:20px;left:20px;z-index:100}.midi-button{background:#ffffff1a;border:2px solid rgba(255,255,255,.3);color:#fff;padding:.5rem 1rem;border-radius:8px;font-size:.9rem;font-weight:600;cursor:pointer;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all .2s ease}.midi-button:hover{background:#fff3;border-color:#ffffff80}.app-main-full{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:2rem;padding-bottom:160px;position:relative;overflow-y:auto;min-height:100vh}.error-toast{position:fixed;top:20px;right:20px;background:#ef4444f2;color:#fff;padding:1rem 1.5rem;border-radius:12px;font-weight:600;box-shadow:0 4px 12px #0000004d;z-index:1000;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.genre-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:3rem 4rem;max-width:1200px;margin:0 auto}.rotary-knob-container{display:flex;flex-direction:column;align-items:center;gap:1rem}.rotary-knob{width:var(--knob-size);height:var(--knob-size);cursor:grab;-webkit-user-select:none;user-select:none;position:relative}.rotary-knob:active{cursor:grabbing}.rotary-knob.disabled{opacity:.5;cursor:not-allowed}.knob-outer{width:100%;height:100%;border-radius:50%;background:#0000004d;display:flex;align-items:center;justify-content:center;position:relative;box-shadow:0 4px 8px #0000004d,inset 0 2px 4px #ffffff1a;transition:all .3s ease}.rotary-knob.active .knob-outer{box-shadow:0 0 30px var(--knob-color),0 0 60px var(--knob-color),0 4px 8px #0000004d,inset 0 2px 4px #ffffff1a}.knob-inner{width:var(--knob-inner-size);height:var(--knob-inner-size);border-radius:50%;background:linear-gradient(135deg,#ffffff4d,#ffffff1a);display:flex;align-items:center;justify-content:center;position:relative;transform:rotate(var(--knob-rotation, 0deg));transition:transform .05s ease-out;box-shadow:0 2px 4px #0003,inset 0 -2px 4px #0003}.knob-indicator{position:absolute;top:8px;width:4px;height:20px;background:#ffffffe6;border-radius:2px;box-shadow:0 2px 4px #0000004d}.rotary-knob.active .knob-indicator{background:#fff;box-shadow:0 0 8px var(--knob-color),0 2px 4px #0000004d}.knob-label{color:#fff;font-size:.9rem;font-weight:600;text-align:center;text-shadow:0 2px 4px rgba(0,0,0,.5);padding:.5rem;background:#0000004d;border-radius:6px;min-width:120px}.playback-control{position:fixed;bottom:60px;left:50%;transform:translate(-50%);z-index:100}.play-pause-button{width:80px;height:80px;border-radius:50%;background:#00000080;border:3px solid rgba(255,255,255,.3);color:#fff;font-size:2rem;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 4px 12px #0000004d}.play-pause-button:hover:not(:disabled){background:#000000b3;border-color:#ffffff80;transform:scale(1.05)}.play-pause-button:disabled{opacity:.5;cursor:not-allowed}.status-indicator{position:fixed;bottom:20px;left:50%;transform:translate(-50%);color:#fff;font-size:.9rem;font-weight:600;text-shadow:0 2px 4px rgba(0,0,0,.5);padding:.5rem 1rem;background:#0000004d;border-radius:20px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}@media(max-width:1400px){.genre-grid{gap:2rem 3rem;max-width:1000px}:root{--knob-size: 100px;--knob-inner-size: 70px}}@media(max-width:1024px){.genre-grid{grid-template-columns:repeat(3,1fr);gap:2rem}}@media(max-width:768px){.genre-grid{grid-template-columns:repeat(2,1fr);gap:1.5rem}:root{--knob-size: 90px;--knob-inner-size: 60px}.app-main-full{padding:1rem}}@media(max-width:480px){.genre-grid{grid-template-columns:1fr}}.session-lobby-overlay{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;z-index:1000}.session-lobby-modal{background:#000000d9;padding:2.5rem;border-radius:20px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);color:#fff;min-width:420px;max-width:90vw;box-shadow:0 8px 32px #00000080;border:1px solid rgba(255,255,255,.1)}.session-lobby-modal h2{margin-bottom:.5rem;text-align:center;font-size:1.8rem}.lobby-subtitle{text-align:center;color:#fff9;margin-bottom:2rem}.form-group{margin-bottom:1.25rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:600;font-size:.9rem;color:#fffc}.form-group .input{width:100%;padding:.85rem 1rem;background:#ffffff14;border:1px solid rgba(255,255,255,.2);border-radius:10px;color:#fff;font-size:1rem;transition:all .2s ease}.form-group .input::placeholder{color:#fff6}.form-group .input:focus{outline:none;border-color:#ffffff80;background:#ffffff1f}.mode-selector{display:flex;gap:.5rem;margin-bottom:1.5rem}.mode-btn{flex:1;padding:.85rem;background:#ffffff14;border:1px solid rgba(255,255,255,.2);color:#ffffffb3;border-radius:10px;cursor:pointer;transition:all .2s ease;font-weight:500}.mode-btn:hover{background:#ffffff1f}.mode-btn.active{background:#fff3;border-color:#fff6;color:#fff}.btn-primary{width:100%;padding:1rem;background:linear-gradient(135deg,#6b46c1,#4a9b8c);border:none;color:#fff;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease;margin-top:.5rem}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #6b46c166}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.session-bar{position:fixed;top:0;left:0;right:0;height:60px;background:#0009;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);display:flex;align-items:center;justify-content:space-between;padding:0 1.5rem;z-index:100;border-bottom:1px solid rgba(255,255,255,.1)}.session-info{display:flex;align-items:center;gap:1rem}.session-name{color:#fff;font-weight:600;font-size:1rem}.copy-id-btn{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#ffffffb3;padding:.4rem .8rem;border-radius:6px;font-size:.8rem;cursor:pointer;transition:all .2s ease;font-family:monospace}.copy-id-btn:hover{background:#fff3;color:#fff}.session-users{display:flex;align-items:center;gap:.5rem}.user-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:.85rem;border:2px solid rgba(255,255,255,.3);transition:all .2s ease}.user-avatar.current{border-color:#fff;box-shadow:0 0 8px #ffffff80}.user-count{color:#fff9;font-size:.85rem;margin-left:.5rem}.leave-btn{background:#ef444433;border:1px solid rgba(239,68,68,.4);color:#ef4444;padding:.5rem 1rem;border-radius:8px;font-size:.85rem;font-weight:500;cursor:pointer;transition:all .2s ease}.leave-btn:hover{background:#ef44444d}.connection-status{position:fixed;bottom:20px;right:20px;padding:.5rem 1rem;border-radius:8px;font-size:.85rem;font-weight:500;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.connection-status.disconnected{background:#ef444433;color:#ef4444;border:1px solid rgba(239,68,68,.4)}.session-bar+.app-main-full{padding-top:80px}