:root{--bg-primary: #050508;--bg-secondary: #0d0d14;--bg-panel: rgba(13, 13, 20, .75);--border-subtle: rgba(255, 255, 255, .08);--border-focus: rgba(74, 158, 255, .5);--text-primary: #f0f0f5;--text-secondary: #a0a0b0;--text-tertiary: #606070;--accent-primary: #4a9eff;--accent-secondary: #6ab0ff;--accent-glow: rgba(74, 158, 255, .3);--font-sans: "Inter", sans-serif;--font-header: "Outfit", sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);overflow:hidden;-webkit-font-smoothing:antialiased;font-size:13px;line-height:1.4}#app{width:100vw;height:90vh;overflow:hidden}#canvas-container{height:90vh}#left-panel{width:30vh}#right-panel{position:absolute;left:30vh;top:0;overflow:scroll;height:90vh;width:calc(100% - 30vh);display:flex}.vis-group{width:30vh;height:30vh;display:block;position:relative}.vis-group canvas{width:100%;height:100%}.vis-header{position:absolute;bottom:.5rem;left:1rem;font-family:var(--font-header);transform:rotate(-90deg);transform-origin:center left;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--text-primary);text-shadow:0 0 4px var(--bg-primary)}.vis-content{border:1px solid var(--border-subtle)}#gl-canvas{border-radius:4px}#controls{height:100%;flex:1;overflow-y:auto;padding:1rem;scrollbar-width:thin;scrollbar-color:#333 transparent;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));grid-auto-rows:max-content;gap:.5 rem;align-content:start}.control-card{position:relative;background:linear-gradient(to top,var(--bg-primary),var(--bg-secondary));padding-left:1rem;padding-top:1rem;padding-right:1rem;border-left:1px solid var(--border-subtle);padding-bottom:64px;border-radius:10px}.control-card:hover{border-left:1px solid var(--border-focus)}.section-icon{position:absolute;bottom:4px;right:4px;width:64px;height:64px;opacity:.3;pointer-events:none;color:#0fa;z-index:0;display:flex;align-items:center;justify-content:center}.section-icon svg{width:100%;height:100%}.control-section-title{font-family:var(--font-header);font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.15em;color:var(--text-primary);transform-origin:left top;position:absolute;top:-.5rem;left:0;padding:0 1rem}.control-group{display:flex;flex-direction:column;gap:3px;margin-bottom:.8rem}.control-card.knob-layout{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:1.5rem 1rem;text-align:center}.control-group.knob-centered{align-items:center;text-align:center;min-width:140px}.control-group.knob-centered label{margin-bottom:4px}.control-group.knob-centered .value-display{margin-top:4px}.label-row{display:flex;justify-content:space-between;align-items:baseline}.lfo-unit{background:#ffffff05;border-radius:4px;border-bottom:4px solid var(--border-subtle);margin-bottom:.5rem;padding:.75rem}.lfo-unit label,.control-group label{font-size:.7rem;font-weight:500;color:var(--text-primary);letter-spacing:.1em}.control-group label{font-size:.6rem;color:var(--text-secondary)}.value-display{font-family:Berkeley Mono,monospace;font-size:.6rem;font-weight:500;color:var(--accent-secondary);background:#4a9eff1a;padding:2px 6px;border-radius:3px}.slider{-webkit-appearance:none;appearance:none;width:100%;height:3px;border-radius:2px;background:var(--border-subtle);outline:none;transition:background .2s;cursor:pointer}.slider:hover{background:var(--border-focus)}.slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:14px;height:14px;border-radius:50%;background:var(--text-primary);border:2px solid var(--accent-primary);box-shadow:0 0 10px var(--accent-glow);cursor:pointer;transition:all .2s cubic-bezier(.175,.885,.32,1.275)}.slider::-webkit-slider-thumb:hover{transform:scale(1.2);background:var(--accent-primary);border-color:#fff}.waveform-icon{width:28px;height:20px;background:#000;border:1px solid var(--border-subtle);border-radius:3px;display:flex;align-items:center;justify-content:center;color:#0f0;padding:2px;margin-left:8px}.waveform-icon svg{width:100%;height:100%;display:block}.modulator-preview-canvas{width:100%;height:80px;display:block;background:#000;border:1px solid rgba(0,255,120,.2);border-radius:6px;box-shadow:inset 0 0 0 1px #00ff780d}select{-webkit-appearance:none;appearance:none;width:auto;padding:4px 8px;background:#ffffff08;color:var(--text-secondary);border:1px solid var(--border-subtle);border-radius:6px;font-family:var(--font-sans);font-size:.8rem;cursor:pointer;outline:none;transition:all .2s}select:hover{border-color:#fff3;background:#ffffff0f}select:focus{border-color:var(--accent-primary);box-shadow:0 0 0 2px var(--accent-glow)}.knob-centered .source-select{margin-bottom:4px;background:#ffffff0d;border-radius:4px;height:20px;font-size:.65rem;padding:0 4px}.file-input{width:100%;padding:8px;background:#ffffff08;border:1px dashed var(--border-subtle);border-radius:6px;color:var(--text-secondary);cursor:pointer;font-size:.75rem;transition:all .2s}.file-input:hover{border-color:var(--accent-primary);color:var(--text-primary);background:#4a9eff0d}.file-input::file-selector-button{padding:4px 10px;background:var(--accent-primary);border:none;border-radius:4px;color:#000;font-weight:600;font-size:.7rem;cursor:pointer;margin-right:8px;transition:transform .1s}.file-input::file-selector-button:hover{transform:scale(1.05)}.reset-button{width:100%;padding:8px;background:#ff32321a;color:#ff6b6b;border:1px solid rgba(255,50,50,.2);border-radius:6px;font-family:var(--font-header);font-size:.75rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;cursor:pointer;transition:all .2s}.reset-button:hover{background:#ff323233;border-color:#ff6b6b;box-shadow:0 0 10px #ff323233}#piano-container{width:100%;height:10vh;bottom:0;background:#111;position:fixed;z-index:100;border-top:1px solid var(--border-subtle);box-shadow:0 -5px 20px #00000080}.piano-key{position:absolute;height:100%;border-radius:0 0 4px 4px;cursor:pointer;transition:transform .05s ease-out,background .15s}.piano-key.white{background:linear-gradient(180deg,#f8f8f8,#e0e0e0);border:1px solid #ccc;border-top:none;z-index:1;box-shadow:inset 0 -2px 5px #0000001a}.piano-key.white:hover{background:#fff}.piano-key.white.active{background:var(--accent-primary);box-shadow:0 0 15px var(--accent-glow);transform:scaleY(.98);border-color:var(--accent-secondary)}.piano-key.black{background:linear-gradient(180deg,#222,#000);height:65%;border-radius:0 0 4px 4px;border:1px solid #000;border-top:none;box-shadow:2px 2px 2px #0000004d}.piano-key.black:hover{background:#333}.piano-key.black.active{background:var(--accent-primary);box-shadow:0 0 15px var(--accent-glow);transform:scaleY(.98)}.key-hint{position:absolute;bottom:4px;left:4px;font-family:var(--font-sans);font-size:.6rem;font-weight:600;text-transform:uppercase;pointer-events:none;opacity:.6;line-height:1}.piano-key.white .key-hint{color:#333}.piano-key.black .key-hint{color:#fff}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#333;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#444}.progress-container{display:none;align-items:center;gap:12px;padding:12px;background:#ffffff08;border:1px solid var(--border-subtle);border-radius:6px;margin-top:12px}.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.1);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .8s cubic-bezier(.55,.055,.675,.19) infinite}@keyframes spin{to{transform:rotate(360deg)}}.progress-bar{flex:1;height:4px;background:#ffffff0d;border-radius:2px;overflow:hidden}.progress-fill{height:100%;width:0%;background:var(--accent-primary);box-shadow:0 0 8px var(--accent-glow);transition:width .3s ease}.progress-text{font-size:.7rem;color:var(--text-tertiary);font-weight:600;min-width:3ch}.knob-container{display:flex;justify-content:center;align-items:center;padding:5px 0;cursor:ns-resize;user-select:none}.knob-svg{width:48px;height:48px;filter:drop-shadow(0 2px 4px rgba(0,0,0,.2))}.knob-track{fill:none;stroke:var(--bg-secondary);stroke-width:4;stroke-linecap:round}.knob-value{fill:none;stroke:var(--accent-primary);stroke-width:4;stroke-linecap:round;stroke-dasharray:100 100;transition:stroke-dashoffset .1s ease-out}.knob-mod-range{fill:none;stroke:#ff69b4;stroke-width:2.5;stroke-linecap:round;opacity:.8}.knob-center{fill:var(--bg-secondary);stroke:var(--border-subtle);stroke-width:1}.knob-pointer{fill:var(--text-primary);transition:transform .1s ease-out}.knob-container.disabled{opacity:.6;cursor:default;pointer-events:none}.control-group-row input[type=number]{background:#ffffff0d;border:1px solid var(--border-subtle);border-radius:4px;color:#4a9eff;font-family:Berkeley Mono,monospace;font-size:.75rem;padding:2px 4px;outline:none;transition:all .2s}.control-group-row input[type=number]:focus{border-color:var(--accent-primary);background:#4a9eff1a}#render-wav-btn{background:#00ffaa1a;color:#0fa;border:1px solid rgba(0,255,170,.2);margin-top:8px}#render-wav-btn:hover{background:#0fa3;border-color:#0fa;box-shadow:0 0 15px #00ffaa4d}.modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000000d9;backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:2000;opacity:0;pointer-events:none;transition:opacity .3s ease}.modal-overlay.active{opacity:1;pointer-events:auto}.modal-content{background:linear-gradient(135deg,#151520,#0a0a10);border:1px solid var(--border-focus);border-radius:12px;padding:2rem;width:400px;max-width:90vw;box-shadow:0 20px 50px #00000080,0 0 20px #4a9eff33;transform:translateY(20px);transition:transform .3s ease}.modal-overlay.active .modal-content{transform:translateY(0)}.modal-header{margin-bottom:1.5rem;display:flex;justify-content:space-between;align-items:center}.modal-header h2{font-family:var(--font-header);font-size:1.2rem;color:var(--accent-primary);text-transform:uppercase;letter-spacing:.1em}.modal-close{background:none;border:none;color:var(--text-tertiary);cursor:pointer;font-size:1.5rem;transition:color .2s}.modal-close:hover{color:#ff4a4a}.render-result-player{width:100%;margin-bottom:1.5rem;background:#ffffff0d;border-radius:8px;padding:1rem}.render-result-player audio{width:100%}.modal-actions{display:flex;gap:12px}.modal-btn{flex:1;padding:10px;border-radius:6px;font-family:var(--font-header);font-weight:600;text-transform:uppercase;cursor:pointer;transition:all .2s;border:1px solid transparent}.modal-btn.primary{background:var(--accent-primary);color:#000}.modal-btn.primary:hover{background:var(--accent-secondary);box-shadow:0 0 15px var(--accent-glow)}.modal-btn.secondary{background:#ffffff0d;color:var(--text-primary);border-color:var(--border-subtle)}.modal-btn.secondary:hover{background:#ffffff1a;border-color:var(--text-secondary)}