:root{--color-bg-primary: #101012;--color-bg-secondary: #101012;--color-bg-tertiary: #101012;--color-bg-hover: #1a1a1c;--color-bg-active: #252527;--color-border: #1a1a1a;--color-border-light: #333333;--color-border-focus: #555555;--color-text-primary: #ffffff;--color-text-secondary: #888888;--color-text-muted: #444444;--color-text-disabled: #333333;--color-accent-cyan: #00fff2;--color-accent-blue: #0066ff;--color-accent-purple: #9d00ff;--color-accent-pink: #ff0055;--color-accent-yellow: #ffcc00;--color-accent-green: #00ff99;--track-rhythm: #FF4757;--track-bass: #5352ED;--track-chords: #2ED573;--track-melody: #FFA502;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #3b82f6;--spacing-0: 0;--spacing-1: 4px;--spacing-2: 8px;--spacing-3: 12px;--spacing-4: 16px;--spacing-5: 20px;--spacing-6: 24px;--spacing-8: 32px;--spacing-10: 40px;--spacing-12: 48px;--spacing-16: 64px;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "SF Mono", "Fira Code", monospace;--font-size-xs: 10px;--font-size-sm: 11px;--font-size-base: 12px;--font-size-md: 13px;--font-size-lg: 14px;--font-size-xl: 16px;--font-size-2xl: 18px;--font-size-3xl: 24px;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--radius-none: 0;--radius-sm: 2px;--radius-base: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-xl: 12px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .5);--shadow-base: 0 2px 4px rgba(0, 0, 0, .5);--shadow-md: 0 4px 8px rgba(0, 0, 0, .5);--shadow-lg: 0 8px 16px rgba(0, 0, 0, .6);--shadow-xl: 0 12px 24px rgba(0, 0, 0, .7);--shadow-glow: 0 0 20px var(--color-accent-cyan);--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--transition-slower: .5s ease;--ease-in: cubic-bezier(.4, 0, 1, 1);--ease-out: cubic-bezier(0, 0, .2, 1);--ease-in-out: cubic-bezier(.4, 0, .2, 1);--z-base: 0;--z-editor-element: 100;--z-editor-header: 200;--z-playhead: 500;--z-transport: 600;--z-panel: 1000;--z-context-menu: 2000;--z-tooltip: 2500;--z-modal-backdrop: 3000;--z-modal: 3500;--z-notification: 4000;--z-dev: 5000;--opacity-disabled: .5;--opacity-hover: .8;--ghost-note-opacity: .7;--ghost-note-duration: 5s;--ghost-note-color: #888888;--ghost-note-border-color: #666666;--ghost-note-z-index: 2}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:var(--font-size-base);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}body{font-family:var(--font-mono);background:var(--color-bg-primary);color:var(--color-text-primary);line-height:var(--line-height-normal);overflow:hidden;min-height:100vh}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit;line-height:inherit}p{margin:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;color:inherit;background:none;border:none;outline:none}button{cursor:pointer;padding:0}input::-webkit-outer-spin-button,input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}input[type=number]{-moz-appearance:textfield}ul,ol{list-style:none}img,svg,video,canvas{display:block;max-width:100%}table{border-collapse:collapse;border-spacing:0}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg-primary)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-base)}::-webkit-scrollbar-thumb:hover{background:var(--color-border-light)}*{scrollbar-width:thin;scrollbar-color:var(--color-border) var(--color-bg-primary)}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.flex-start{display:flex;align-items:center;justify-content:flex-start}.flex-end{display:flex;align-items:center;justify-content:flex-end}.flex-column{display:flex;flex-direction:column}.text-ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.text-truncate-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.text-truncate-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.no-select{user-select:none;-webkit-user-select:none}.clickable{cursor:pointer;transition:opacity var(--transition-fast)}.clickable:hover{opacity:var(--opacity-hover)}.clickable:active{opacity:.6}.disabled{opacity:var(--opacity-disabled);pointer-events:none;cursor:not-allowed}.custom-scrollbar::-webkit-scrollbar{width:8px;height:8px}.custom-scrollbar::-webkit-scrollbar-track{background:var(--color-bg-primary)}.custom-scrollbar::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-base)}.custom-scrollbar::-webkit-scrollbar-thumb:hover{background:var(--color-border-light)}.hide-scrollbar{scrollbar-width:none;-ms-overflow-style:none}.hide-scrollbar::-webkit-scrollbar{display:none}.fade-in{animation:fadeIn var(--transition-base) ease-out}.fade-in-slow{animation:fadeIn var(--transition-slow) ease-out}.slide-in-up{animation:slideInUp var(--transition-base) ease-out}.slide-in-down{animation:slideInDown var(--transition-base) ease-out}.glow{animation:glow 2s ease-in-out infinite}.card{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--spacing-4)}.card-hover{transition:all var(--transition-base)}.card-hover:hover{border-color:var(--color-border-light);box-shadow:var(--shadow-md)}.btn-base{display:inline-flex;align-items:center;justify-content:center;padding:var(--spacing-2) var(--spacing-4);border:1px solid var(--color-border);border-radius:var(--radius-base);background:var(--color-bg-secondary);color:var(--color-text-primary);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:all var(--transition-fast);-webkit-user-select:none;user-select:none}.btn-base:hover{background:var(--color-bg-hover);border-color:var(--color-border-light)}.btn-base:active{background:var(--color-bg-active)}.btn-base:disabled{opacity:var(--opacity-disabled);cursor:not-allowed}.input-base{width:100%;padding:var(--spacing-2) var(--spacing-3);background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-base);color:var(--color-text-primary);font-size:var(--font-size-sm);transition:all var(--transition-fast)}.input-base:hover{border-color:var(--color-border-light)}.input-base:focus{border-color:var(--color-border-focus);outline:none}.input-base::placeholder{color:var(--color-text-muted)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes glow{0%,to{box-shadow:0 0 5px var(--color-accent-cyan)}50%{box-shadow:0 0 20px var(--color-accent-cyan)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/Inter.woff2) format("woff2")}@font-face{font-family:Inter;font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/Inter.woff2) format("woff2")}@font-face{font-family:Inter;font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/Inter.woff2) format("woff2")}@font-face{font-family:Inter;font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/Inter.woff2) format("woff2")}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/JetBrainsMono.woff2) format("woff2")}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/JetBrainsMono.woff2) format("woff2")}.glass-btn{position:relative;background:linear-gradient(135deg,#ffffff12,#ffffff05);border:none;box-shadow:inset 0 0 0 1px #ffffff14,0 2px 4px #0003;border-radius:8px;color:#ffffffd9;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;letter-spacing:.4px}.glass-btn:before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:linear-gradient(to bottom,rgba(255,255,255,.25),transparent 60%);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;z-index:1}.glass-btn:hover{color:#fff;box-shadow:inset 0 0 0 1px #ffffff1f,0 4px 8px #0000004d;background:linear-gradient(135deg,#ffffff1f,#ffffff0a);transform:none}.glass-btn:active{transform:none;box-shadow:inset 0 0 0 1px #ffffff14,0 2px 4px #0003;background:linear-gradient(135deg,#ffffff14,#ffffff08)}.glass-btn:disabled{opacity:.5;cursor:not-allowed;transform:none;background:#ffffff05}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.pointer-events-none{pointer-events:none}.pointer-events-auto{pointer-events:auto}.overflow-hidden{overflow:hidden}.overflow-auto{overflow:auto}.relative{position:relative}.absolute{position:absolute}.fixed{position:fixed}.inset-0{inset:0}.glass-btn{display:flex;align-items:center;justify-content:center;gap:4px;white-space:nowrap;height:32px;padding:0 12px;font-family:var(--font-sans);font-size:13px;font-weight:600;letter-spacing:.4px;border-radius:8px;position:relative;background:linear-gradient(135deg,#ffffff12,#ffffff05);border:none;box-shadow:inset 0 0 0 1px #ffffff14,0 2px 4px #0003;color:#ffffffd9;cursor:pointer;transition:all .2s ease;-webkit-user-select:none;user-select:none}.glass-btn:before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:linear-gradient(to bottom,rgba(255,255,255,.12) 0%,rgba(255,255,255,.03) 30%,transparent 100%);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;z-index:1;transition:opacity .2s ease}.glass-btn:active:not(:disabled):before,.glass-btn.active:before{opacity:.1}.glass-btn:hover:not(:disabled){color:#fff;background:linear-gradient(135deg,#ffffff1f,#ffffff0a);box-shadow:inset 0 0 0 1px #ffffff1f,0 4px 8px #0000004d;transform:translateY(-1px)}.glass-btn:active:not(:disabled),.glass-btn.active{transform:translateY(1px);background:linear-gradient(135deg,#0000001a,#0003);box-shadow:inset 0 2px 6px #0006,inset 0 0 0 1px #ffffff05,0 0 0 transparent;color:#ffffffe6}.glass-btn:disabled{opacity:.4;cursor:not-allowed;background:#ffffff05}.glass-btn.primary{background:linear-gradient(180deg,#e8e8e8,#c8c8c8);color:#000;border:1px solid rgba(0,0,0,.15);box-shadow:inset 0 1px #ffffffe6,0 2px 4px #0003;overflow:hidden}.glass-btn.primary:after{content:"";position:absolute;inset:0;border-radius:inherit;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.2' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");opacity:.3;mix-blend-mode:multiply;pointer-events:none;z-index:1}.glass-btn.primary:before{background:linear-gradient(to bottom,#fffc,#ffffff80 20%,#fff0)}.glass-btn.primary:hover:not(:disabled){background:linear-gradient(180deg,#f0f0f0,#d4d4d4);color:#000;box-shadow:inset 0 1px #fff,0 3px 6px #00000040}.glass-btn.primary:active:not(:disabled){background:#bebebe;box-shadow:inset 0 3px 6px #0003,inset 0 0 0 1px #00000026;transform:translateY(1px)}.glass-btn.ghost{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);box-shadow:none}.glass-btn.ghost:before{display:none}.glass-btn.ghost:hover:not(:disabled){background:#ffffff1a;border-color:#fff3;box-shadow:none;transform:none}.glass-btn.ghost:active:not(:disabled){background:#ffffff0d;transform:none;box-shadow:inset 0 1px 3px #0003}.glass-btn.icon{width:32px;padding:0;border-radius:8px}.slider-container{position:relative;width:100%;height:16px;display:flex;align-items:center;-webkit-user-select:none;user-select:none;--slider-height: 100%;--thumb-width: 6px;--thumb-height: 10px;--thumb-radius: 6px;--active-color: var(--slider-color, #a78bfa);--track-bg: rgba(0, 0, 0, .25);--track-inner-shadow: inset 0 1px 3px rgba(0, 0, 0, .5), inset 0 0 0 1px rgba(0, 0, 0, .1), 0 1px 0 rgba(255, 255, 255, .05);--thumb-bg: linear-gradient(180deg, #d4d4d4 0%, #999 100%);--thumb-shadow: 0 1px 2px rgba(0, 0, 0, .5), 0 0 0 1px rgba(0, 0, 0, .1);--thumb-active-bg: linear-gradient(180deg, #FFFFFF 0%, #E0E0E0 100%);--thumb-active-border: 1px solid rgba(0, 0, 0, .15);cursor:pointer}.slider-input{position:absolute;top:0;left:0;width:100%;height:100%;margin:0;padding:0;opacity:0;cursor:pointer;z-index:10}.slider-track-bg{position:absolute;inset:0;height:100%;background:var(--track-bg);box-shadow:var(--track-inner-shadow);border-radius:4px;overflow:hidden;z-index:1}.slider-track-fill{position:absolute;top:0;left:0;height:100%;width:var(--percent, 0%);background:var(--active-color);opacity:.6;box-shadow:inset 0 1px #ffffff4d;transition:width .05s linear}.slider-thumb{position:absolute;top:50%;left:var(--percent, 0%);width:var(--thumb-width);height:var(--thumb-height);transform:translate(-50%,-50%);border-radius:var(--thumb-radius);background:var(--thumb-bg);box-shadow:var(--thumb-shadow);z-index:2;display:flex;align-items:center;justify-content:center;pointer-events:none;overflow:hidden;transition:width .2s cubic-bezier(.2,0,.2,1),height .2s cubic-bezier(.2,0,.2,1),background .2s,box-shadow .2s,transform .1s}.slider-value{font-size:10px;font-family:JetBrains Mono,monospace;font-weight:700;color:var(--active-color);opacity:0;transform:scale(.8);transition:opacity .1s ease,transform .2s ease;white-space:nowrap;text-shadow:0 0 5px rgba(var(--active-color-rgb, 167, 139, 250),.5)}.slider-container:hover .slider-thumb,.slider-container:active .slider-thumb,.slider-container.dragging .slider-thumb{width:36px;height:18px;border-radius:12px;background:var(--thumb-active-bg);border:var(--thumb-active-border);box-shadow:0 2px 4px #0006,0 1px #ffffff1a inset;transform:translate(-50%,-50%)}.slider-container:hover .slider-value,.slider-container.dragging .slider-value{opacity:1;transform:scale(1);color:#000;text-shadow:none}.slider-container:hover .slider-track-bg{background:#00000059;box-shadow:inset 0 1px 4px #0009,0 1px #ffffff0d}.slider-container:hover .slider-track-fill{opacity:.8;filter:brightness(1.2)}.slider-thumb:before,.slider-thumb:after{display:none}.slider-container.small{height:12px}.slider-container.small .slider-thumb{height:8px;--thumb-width: 4px}.slider-container.small:hover .slider-thumb{height:14px;width:28px}.slider-container.small .slider-value{font-size:9px}.tooltip-container{display:inline-flex;align-items:center;justify-content:center}.tooltip-content{position:fixed;z-index:var(--z-tooltip);padding:6px 10px;background:#fff;color:#333;font-family:JetBrains Mono,monospace;font-size:11px;line-height:1.4;border-radius:4px;border:none;white-space:nowrap;pointer-events:none;opacity:0;box-shadow:0 2px 8px #00000026;top:-9999px;left:-9999px;transition:opacity .15s ease}.tooltip-content.visible{opacity:1}.context-menu{position:fixed;background-color:#1e1e20;border:1px solid #333;border-radius:6px;box-shadow:0 4px 12px #0006;padding:4px;min-width:160px;z-index:var(--z-context-menu);font-family:Inter,sans-serif;font-size:13px;color:#e0e0e0}.context-menu-item{padding:8px 12px;border-radius:4px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background-color .1s ease}.context-menu-item:hover{background-color:#2a2a2c}.context-menu-item.danger{color:#ff6b6b}.context-menu-item.danger:hover{background-color:#ff6b6b1a}.context-menu-shortcut{color:#888;font-size:11px}.draggable-number{cursor:ew-resize;-webkit-user-select:none;user-select:none;font-family:JetBrains Mono,Menlo,monospace;font-weight:500;font-size:14px;color:#e5e5e5;padding:2px;border-radius:4px;transition:color .2s,background-color .2s;width:40px;height:24px;min-width:32px;text-align:center}.draggable-number:hover{color:#fff;background:#ffffff1a}.draggable-number:active{color:#fff;background:#ffffff26}.draggable-number-input{width:40px;background:#00000080;border:1px solid rgba(255,255,255,.2);border-radius:4px;color:#fff;font-family:JetBrains Mono,Menlo,monospace;font-size:14px;padding:2px 4px;text-align:center;outline:none}.draggable-number-input:focus{border-color:#ffffff80}.toast-container{position:fixed;bottom:24px;left:24px;z-index:var(--z-notification);display:flex;flex-direction:column-reverse;gap:12px;pointer-events:none;max-width:400px}.toast{display:flex;align-items:flex-start;gap:12px;padding:12px 16px;background:#1c1c20b3;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1);border-radius:12px;box-shadow:0 12px 32px #00000080;pointer-events:auto;animation:toast-enter .3s cubic-bezier(.2,.9,.4,1) forwards;max-width:100%}.toast-exiting{animation:toast-exit .3s cubic-bezier(.6,.05,.9,.5) forwards}@keyframes toast-enter{0%{opacity:0;transform:translate(-100%) scale(.9)}to{opacity:1;transform:translate(0) scale(1)}}@keyframes toast-exit{0%{opacity:1;transform:translate(0) scale(1)}to{opacity:0;transform:translate(-100%) scale(.9)}}.toast-icon{flex-shrink:0;width:22px;height:22px;display:flex;align-items:center;justify-content:center;border-radius:50%;padding:0;border:1px solid rgba(255,255,255,.2)}.toast-icon svg{width:14px;height:14px}.toast-info .toast-icon{color:#fff;background:radial-gradient(circle at 30% 30%,#3b82f6e6,#2563eb);box-shadow:inset 0 1px 1px #ffffff80,inset 0 -2px 4px #0003,0 4px 12px #3b82f699}.toast-success .toast-icon{color:#fff;background:radial-gradient(circle at 30% 30%,#10b981e6,#059669);box-shadow:inset 0 1px 1px #ffffff80,inset 0 -2px 4px #0003,0 4px 12px #10b98199}.toast-warning .toast-icon{color:#fff;background:radial-gradient(circle at 30% 30%,#f59e0be6,#d97706);box-shadow:inset 0 1px 1px #ffffff80,inset 0 -2px 4px #0003,0 4px 12px #f59e0b99}.toast-error .toast-icon{color:#fff;background:radial-gradient(circle at 30% 30%,#ef4444e6,#dc2626);box-shadow:inset 0 1px 1px #ffffff80,inset 0 -2px 4px #0003,0 4px 12px #ef444499}.toast-content{flex:1;min-width:0}.toast-title{font-size:var(--font-size-md);font-weight:var(--font-weight-medium);color:var(--color-text-primary);line-height:var(--line-height-tight)}.toast-message{margin-top:4px;font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:var(--line-height-normal);word-break:break-word}.toast-close{flex-shrink:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;color:var(--color-text-secondary);cursor:pointer;border-radius:var(--radius-base);transition:all var(--transition-fast);padding:0;margin:-4px -4px -4px 0}.toast-close:hover{background:#ffffff1a;color:var(--color-text-primary)}.toast{position:relative}.app{display:flex;flex-direction:column;height:100vh;background:#101012;overflow:hidden;position:relative}
