:root{--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-tertiary: #1a1a24;--bg-elevated: #22222e;--text-primary: #f0f0f5;--text-secondary: #8888a0;--text-muted: #55556a;--accent-primary: #e53935;--accent-secondary: #ff5252;--accent-glow: rgba(229, 57, 53, .4);--accent-alt: #35d4ff;--accent-alt-glow: rgba(53, 212, 255, .3);--border-subtle: rgba(255, 255, 255, .06);--border-active: rgba(229, 57, 53, .3);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 28px;--font-display: "Outfit", sans-serif;--font-mono: "JetBrains Mono", monospace;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-medium: .3s cubic-bezier(.4, 0, .2, 1);--transition-slow: .5s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-display);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{min-height:100vh;display:flex;flex-direction:column;position:relative}.app-layout{display:flex;flex:1;position:relative;z-index:1;overflow:hidden}.left-panel{position:fixed;left:0;top:0;width:400px;height:100vh;display:flex;flex-direction:column;border-right:1px solid var(--border-subtle);background:linear-gradient(135deg,#12121af2,#0a0a0ff2);overflow:hidden;z-index:10}.left-panel-content{flex:1;display:flex;flex-direction:column;min-height:0;overflow:hidden}.selectors-container{flex:1;overflow-y:auto;overflow-x:hidden;min-height:0;display:flex;flex-direction:column}.right-panel{flex:1;margin-left:400px;display:flex;flex-direction:column;overflow:hidden;background:transparent;height:100vh}.background-effects{position:fixed;top:0;right:0;bottom:0;left:0;overflow:hidden;pointer-events:none;z-index:0}.gradient-orb{position:absolute;border-radius:50%;filter:blur(120px);opacity:.5;animation:float 20s ease-in-out infinite}.orb-1{width:600px;height:600px;background:radial-gradient(circle,var(--accent-primary) 0%,transparent 70%);top:-200px;right:-100px;animation-delay:0s}.orb-2{width:500px;height:500px;background:radial-gradient(circle,var(--accent-alt) 0%,transparent 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fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.library-header{display:flex;align-items:center;gap:.5rem;margin-bottom:.75rem}.library-icon{font-size:1rem}.library-title{font-size:.875rem;font-weight:600;color:var(--text-primary);letter-spacing:.02em}.library-count{margin-left:auto;font-family:var(--font-mono);font-size:.7rem;color:var(--text-muted);background:var(--bg-elevated);padding:.2rem .5rem;border-radius:var(--radius-sm)}.library-select-wrapper{display:flex;gap:.5rem;align-items:stretch}.library-select{flex:1;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:.625rem 2.5rem .625rem 1rem;font-family:var(--font-display);font-size:.875rem;color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' 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var(--accent-primary)}.play-button{display:flex;align-items:center;justify-content:center;width:72px;height:72px;margin:0 auto 2rem;background:linear-gradient(135deg,var(--accent-primary) 0%,var(--accent-secondary) 100%);border:none;border-radius:50%;color:#fff;cursor:pointer;transition:all var(--transition-fast);box-shadow:0 4px 20px var(--accent-glow),inset 0 1px #fff3}.play-button:hover{transform:scale(1.08);box-shadow:0 8px 30px var(--accent-glow),inset 0 1px #fff3}.play-button:active{transform:scale(.98)}.play-button svg{width:28px;height:28px}.sliders-container{display:flex;flex-direction:column;gap:1.25rem}.slider-group{background:var(--bg-tertiary);border-radius:var(--radius-md);padding:1.25rem 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linear}.pitch-track{background:linear-gradient(90deg,var(--accent-alt),#67e8f9)}.slider-value{font-family:var(--font-mono);font-size:1.25rem;font-weight:600;color:var(--text-primary);text-align:center;margin-bottom:.5rem}.slider-marks{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:.625rem;color:var(--text-muted)}.footer{padding:1.5rem;text-align:center;position:relative;z-index:1}.footer p{font-size:.75rem;color:var(--text-muted);letter-spacing:.05em}.slider-group.disabled{opacity:.6;pointer-events:none}.slider-group.disabled .slider{cursor:not-allowed}.loading-badge{margin-left:.5rem;padding:.125rem .5rem;background:#35d4ff33;border-radius:4px;font-size:.625rem;color:var(--accent-alt);animation:pulse-text 1.5s ease-in-out infinite}.marker-handle{position:absolute;top:-4px;transform:translate(-50%);z-index:15;cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none}.marker-handle:active,.marker-handle.dragging{cursor:grabbing}.marker-handle .marker-label{display:flex;align-items:center;justify-content:center;width:22px;height:22px;background:#ffc107;color:#1a1a24;font-family:var(--font-mono);font-weight:700;font-size:.75rem;border-radius:4px 4px 50% 50%;box-shadow:0 2px 8px #0006;transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.marker-handle:hover .marker-label,.marker-handle.dragging .marker-label{transform:scale(1.15);box-shadow:0 4px 12px #ffc10766}.marker-handle:after{content:"";position:absolute;top:22px;left:50%;transform:translate(-50%);width:2px;height:82px;background:#ffc107;pointer-events:none}.waveform-container.dragging-marker{cursor:grabbing}.waveform-container.dragging-marker .waveform-canvas,.waveform-container.dragging-marker 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