:root{--bg: #0a0b0f;--bg-elev: #12141c;--bg-elev-2: #1a1d28;--border: #232636;--border-strong: #2e3247;--text: #e8eaf2;--text-dim: #8b90a8;--text-faint: #5a5f78;--primary: #00e5a0;--primary-dim: #00b87f;--primary-glow: rgba(0, 229, 160, .35);--accent: #ff4d8d;--accent-glow: rgba(255, 77, 141, .3);--warn: #ffb347;--error: #ff5a5a;--success: #00e5a0;--kick: #ff5a5a;--snare: #ffb347;--hihat: #00e5a0;--openhat: #4dc4ff;--clap: #ff4d8d;--tom: #c77dff;--rim: #ffd60a;--cymbal: #ff8c42;font-family:Space Grotesk,system-ui,sans-serif;color:var(--text);background:var(--bg);color-scheme:dark}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;width:100%}body{background:radial-gradient(1200px 600px at 15% -10%,rgba(0,229,160,.08),transparent 60%),radial-gradient(900px 500px at 95% 0%,rgba(255,77,141,.07),transparent 55%),var(--bg);overflow-x:hidden}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input,select{font-family:inherit;color:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-faint)}.app{min-height:100vh;display:flex;flex-direction:column}.header{display:flex;align-items:center;justify-content:space-between;padding:18px 28px;border-bottom:1px solid var(--border);background:#0a0b0fb3;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:sticky;top:0;z-index:50}.logo{display:flex;align-items:center;gap:12px}.logo-mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;position:relative;box-shadow:0 0 24px var(--primary-glow)}.logo-mark:after{content:"";position:absolute;top:4px;right:4px;bottom:4px;left:4px;border-radius:7px;background:var(--bg)}.logo-mark .bars{position:relative;z-index:1;display:flex;align-items:flex-end;gap:2px;height:16px}.logo-mark .bars span{width:3px;background:var(--primary);border-radius:2px;animation:barBounce 1.1s ease-in-out infinite}.logo-mark .bars span:nth-child(1){height:60%;animation-delay:0s}.logo-mark .bars span:nth-child(2){height:90%;animation-delay:.2s}.logo-mark .bars span:nth-child(3){height:40%;animation-delay:.4s}.logo-mark .bars span:nth-child(4){height:75%;animation-delay:.15s}@keyframes barBounce{0%,to{transform:scaleY(.5)}50%{transform:scaleY(1)}}.logo-text{font-size:20px;font-weight:700;letter-spacing:-.02em}.logo-text span{color:var(--primary)}.header-actions{display:flex;align-items:center;gap:12px}.handle-pill{display:flex;align-items:center;gap:8px;padding:7px 14px;background:var(--bg-elev);border:1px solid var(--border);border-radius:999px;font-size:13px;font-weight:500}.handle-dot{width:9px;height:9px;border-radius:50%;box-shadow:0 0 8px currentColor}.handle-input{background:var(--bg-elev);border:1px solid var(--border);border-radius:999px;padding:7px 14px;font-size:13px;width:150px;outline:none;transition:border-color .2s}.handle-input:focus{border-color:var(--primary)}.main{flex:1;display:grid;grid-template-columns:1fr 360px;gap:0;min-height:0}@media (max-width: 960px){.main{grid-template-columns:1fr}}.studio{padding:28px;overflow-y:auto;max-height:calc(100vh - 75px)}.studio-title{font-size:28px;font-weight:700;letter-spacing:-.02em;margin-bottom:4px}.studio-sub{color:var(--text-dim);font-size:14px;margin-bottom:24px}.transport{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:16px 18px;background:var(--bg-elev);border:1px solid var(--border);border-radius:14px;margin-bottom:20px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:10px;font-weight:600;font-size:14px;transition:all .18s ease;border:1px solid transparent}.btn-primary{background:var(--primary);color:#001a12;box-shadow:0 0 0 0 var(--primary-glow)}.btn-primary:hover{box-shadow:0 0 20px var(--primary-glow);transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-ghost{background:var(--bg-elev-2);border-color:var(--border);color:var(--text)}.btn-ghost:hover{border-color:var(--border-strong);background:var(--border)}.btn-accent{background:var(--accent);color:#2a0014}.btn-accent:hover{box-shadow:0 0 20px var(--accent-glow);transform:translateY(-1px)}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none!important;box-shadow:none!important}.play-btn{width:48px;height:48px;padding:0;border-radius:50%;justify-content:center}.bpm-control{display:flex;align-items:center;gap:10px}.bpm-label{font-size:12px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.08em;font-weight:600}.bpm-value{font-family:JetBrains Mono,monospace;font-size:18px;font-weight:600;min-width:38px;text-align:center}.bpm-slider{width:120px;accent-color:var(--primary);cursor:pointer}.genre-select{background:var(--bg-elev-2);border:1px solid var(--border);border-radius:10px;padding:9px 14px;font-size:13px;font-weight:500;outline:none;cursor:pointer;transition:border-color .2s}.genre-select:focus{border-color:var(--primary)}.beat-name{background:var(--bg-elev-2);border:1px solid var(--border);border-radius:10px;padding:9px 14px;font-size:14px;font-weight:500;width:180px;outline:none;transition:border-color .2s}.beat-name:focus{border-color:var(--primary)}.transport-spacer{flex:1}.share-btn{background:linear-gradient(135deg,var(--accent),#ff7ab0);color:#fff;border:none}.sequencer{background:var(--bg-elev);border:1px solid var(--border);border-radius:16px;padding:20px;overflow-x:auto}.step-row{display:grid;grid-template-columns:120px 1fr;align-items:center;gap:12px;padding:6px 0}.track-label{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600}.track-color{width:10px;height:10px;border-radius:3px;flex-shrink:0}.track-preview{width:24px;height:24px;border-radius:6px;background:var(--bg-elev-2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:11px;color:var(--text-dim);transition:all .15s}.track-preview:hover{border-color:var(--primary);color:var(--primary)}.step-grid{display:grid;gap:5px;min-width:0}.step-cell{height:34px;border-radius:7px;background:var(--bg-elev-2);border:1px solid var(--border);cursor:pointer;transition:all .12s ease;position:relative}.step-cell:hover{border-color:var(--border-strong);background:var(--border)}.step-cell.active{background:var(--cell-color, var(--primary));border-color:transparent;box-shadow:0 0 10px var(--cell-glow, var(--primary-glow))}.step-cell.playing{outline:2px solid var(--primary);outline-offset:1px}.step-cell.beat-marker{border-color:var(--text-faint)}.step-numbers{display:grid;grid-template-columns:120px 1fr;gap:12px;margin-bottom:6px}.step-numbers-inner{display:grid;gap:5px}.step-num{font-family:JetBrains Mono,monospace;font-size:10px;color:var(--text-faint);text-align:center;height:18px;line-height:18px}.step-num.downbeat{color:var(--primary);font-weight:600}.mesh-panel{border-left:1px solid var(--border);display:flex;flex-direction:column;background:var(--bg-elev);max-height:calc(100vh - 75px);min-height:0}.mesh-header{padding:18px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.mesh-title{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px}.mesh-icon{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--accent),#ff7ab0);display:flex;align-items:center;justify-content:center;font-size:14px;color:#fff}.mesh-status{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-dim)}.mesh-status-dot{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 8px var(--success);animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.mesh-peers{display:flex;align-items:center;gap:6px;padding:10px 20px;border-bottom:1px solid var(--border);font-size:12px;color:var(--text-dim);overflow-x:auto;white-space:nowrap}.peer-chip{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;background:var(--bg-elev-2);border:1px solid var(--border);border-radius:999px;font-size:11px;font-weight:500;color:var(--text)}.peer-dot{width:7px;height:7px;border-radius:50%}.mesh-messages{flex:1;overflow-y:auto;padding:16px 18px;display:flex;flex-direction:column;gap:10px;min-height:200px}.msg{display:flex;gap:10px;animation:msgIn .25s ease-out}@keyframes msgIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.msg-avatar{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff;flex-shrink:0}.msg-body{flex:1;min-width:0}.msg-header{display:flex;align-items:baseline;gap:8px;margin-bottom:2px}.msg-handle{font-size:12px;font-weight:600}.msg-time{font-size:10px;color:var(--text-faint);font-family:JetBrains Mono,monospace}.msg-text{font-size:13px;line-height:1.45;color:var(--text);word-wrap:break-word}.msg-share{background:var(--bg-elev-2);border:1px solid var(--border);border-radius:12px;padding:12px 14px;margin-top:6px}.msg-share-title{font-size:13px;font-weight:600;margin-bottom:6px;display:flex;align-items:center;gap:6px}.msg-share-meta{font-size:11px;color:var(--text-dim);margin-bottom:10px;font-family:JetBrains Mono,monospace}.msg-share-actions{display:flex;gap:8px}.btn-sm{padding:6px 12px;font-size:12px;border-radius:8px}.msg-system{text-align:center;font-size:11px;color:var(--text-faint);font-style:italic;padding:4px 0}.mesh-input{padding:14px 18px;border-top:1px solid var(--border);display:flex;gap:10px}.mesh-input input{flex:1;background:var(--bg-elev-2);border:1px solid var(--border);border-radius:10px;padding:10px 14px;font-size:13px;outline:none;transition:border-color .2s}.mesh-input input:focus{border-color:var(--primary)}.send-btn{width:42px;height:42px;border-radius:10px;background:var(--primary);color:#001a12;display:flex;align-items:center;justify-content:center;font-size:18px;transition:all .15s}.send-btn:hover{box-shadow:0 0 16px var(--primary-glow)}.send-btn:disabled{opacity:.4}.empty-state{text-align:center;color:var(--text-faint);padding:40px 20px;font-size:13px}.library{margin-top:28px}.library-title{font-size:18px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}.library-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}.beat-card{background:var(--bg-elev);border:1px solid var(--border);border-radius:14px;padding:16px;cursor:pointer;transition:all .18s}.beat-card:hover{border-color:var(--border-strong);transform:translateY(-2px);box-shadow:0 8px 24px #0000004d}.beat-card-header{display:flex;align-items:center;gap:10px;margin-bottom:10px}.beat-card-name{font-size:15px;font-weight:600;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.beat-card-meta{font-size:12px;color:var(--text-dim);display:flex;gap:12px;font-family:JetBrains Mono,monospace}.beat-card-actions{display:flex;gap:8px;margin-top:12px;align-items:center}.like-btn{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--text-dim);padding:5px 10px;border-radius:8px;background:var(--bg-elev-2);border:1px solid var(--border);transition:all .15s}.like-btn:hover,.like-btn.liked{color:var(--accent);border-color:var(--accent)}.mini-vis{display:grid;grid-template-columns:repeat(16,1fr);gap:2px;height:24px;margin:8px 0}.mini-vis div{border-radius:2px;background:var(--bg-elev-2)}.mini-vis div.on{background:var(--primary)}.spinner{width:18px;height:18px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:var(--bg-elev-2);border:1px solid var(--primary);color:var(--text);padding:12px 22px;border-radius:12px;font-size:14px;font-weight:500;box-shadow:0 8px 30px #00000080,0 0 20px var(--primary-glow);z-index:100;animation:toastIn .3s ease-out}@keyframes toastIn{0%{opacity:0;transform:translate(-50%,20px)}to{opacity:1;transform:translate(-50%)}}.section-divider{height:1px;background:var(--border);margin:24px 0}@media (max-width: 960px){.mesh-panel{border-left:none;border-top:1px solid var(--border);max-height:500px}.studio{max-height:none;padding:20px}.step-row,.step-numbers{grid-template-columns:90px 1fr}.beat-name{width:130px}.header{padding:14px 18px}.studio-title{font-size:22px}}