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(width<=768px){.bubbles-area{gap:6px}.bubble-value{font-size:12px}}.selection-visualizer{gap:var(--space-xl);padding:var(--space-lg);flex-direction:column;width:100%;height:100%;display:flex}.region-labels{background:var(--bg-tertiary);border-radius:var(--radius-full);border:1px solid var(--border-color);width:100%;height:32px;display:flex;overflow:hidden}.region-label{font-size:var(--text-xs);transition:all var(--transition-base);justify-content:center;align-items:center;font-weight:600;display:flex}.sorted-region{color:#00b894;background:#00b89426;border-right:1px solid #00b8944d}.unsorted-region{color:var(--text-tertiary)}.selection-cards{padding:var(--space-xl) var(--space-md);flex:1;justify-content:center;align-items:flex-end;gap:12px;min-height:280px;display:flex}.sel-card{padding:var(--space-md) var(--space-sm);border-radius:var(--radius-md);width:64px;min-height:220px;transition:border-color var(--transition-fast);border:2px solid;flex-direction:column;justify-content:flex-end;align-items:center;display:flex;position:relative}.sel-badge{background:var(--bg-card);border:1px solid var(--border-color);border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:14px;display:flex;position:absolute;top:-12px;box-shadow:0 4px 12px #0003}.sel-bar-container{width:100%;margin-bottom:var(--space-sm);flex:1;align-items:flex-end;padding:0 4px;display:flex}.sel-bar{border-radius:var(--radius-sm);background:var(--accent-primary);opacity:.6;width:100%;transition:background var(--transition-base)}.sel-card-comparing .sel-bar{opacity:.9;background:#fdcb6e}.sel-card-pivot .sel-bar{opacity:1;background:#e17055}.sel-card-sorted .sel-bar{opacity:.7;background:#00b894}.sel-card-swapping .sel-bar{opacity:1;background:#ff4757}.sel-value{font-family:var(--font-mono);color:var(--text-primary);margin-bottom:4px;font-size:16px;font-weight:700}.sel-index{color:var(--text-muted);text-transform:uppercase;font-size:10px;font-weight:500}.min-indicator{color:#e17055;white-space:nowrap;font-size:10px;font-weight:800;position:absolute;top:-35px}.swap-connector{color:#ff4757;z-index:5;font-size:20px;position:absolute;top:50%;right:-24px;transform:translateY(-50%)}.min-callout{align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);border-radius:var(--radius-md);background:#e170551a;border:1px solid #e1705533;align-self:center;display:flex}.min-callout-text{font-size:var(--text-sm);color:var(--text-secondary)}.min-callout-text strong{color:#e17055}.sel-legend{gap:var(--space-lg);padding-top:var(--space-md);flex-wrap:wrap;justify-content:center;display:flex}.sel-legend-entry{align-items:center;gap:8px;display:flex}.sel-legend-swatch{border:1px solid;border-radius:4px;width:16px;height:16px}.sel-legend-text{font-size:var(--text-xs);color:var(--text-tertiary)}@media (width<=768px){.sel-card{width:48px;padding:var(--space-sm) 4px}.sel-value{font-size:14px}.region-labels{height:24px}}.insertion-visualizer{box-sizing:border-box;flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;padding:2rem;display:flex;position:relative}.insertion-cards{flex-wrap:wrap;justify-content:center;align-items:flex-end;gap:12px;width:100%;min-height:250px;margin-top:40px;margin-bottom:2rem;display:flex}.ins-card{-webkit-backdrop-filter:blur(8px);will-change:transform, opacity;border:1px solid #ffffff1a;border-radius:12px;flex-direction:column;justify-content:flex-end;align-items:center;width:60px;height:180px;padding:10px;transition:border-color .3s;display:flex;position:relative}.ins-card-holding{border-width:2px}.ins-badge{background:var(--surface-2);z-index:2;border-radius:50%;justify-content:center;align-items:center;width:24px;height:24px;font-size:18px;display:flex;position:absolute;top:-12px;box-shadow:0 4px 12px #0000004d}.ins-bar-container{background:#0003;border-radius:6px;justify-content:center;align-items:flex-end;width:100%;height:120px;margin-bottom:12px;display:flex;overflow:hidden}.ins-bar{border-radius:4px;width:100%;transition:background-color .3s;bottom:0}.ins-bar-default{background:var(--viz-default)}.ins-bar-comparing{background:#fdcb6e}.ins-bar-holding{background:#0984e3}.ins-bar-swapping{background:#ff4757}.ins-bar-sorted{background:#00b894}.ins-value{font-family:var(--font-mono);color:var(--text-primary);margin-bottom:4px;font-size:1.1rem;font-weight:600}.ins-index{font-family:var(--font-mono);color:var(--text-tertiary);font-size:.75rem}.ins-drop-shadow{pointer-events:none;background:radial-gradient(#0006 0%,#0000 70%);border-radius:50%;width:50%;height:10px;position:absolute;bottom:-40px}.ins-callout{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#0984e326;border:1px solid #0984e34d;border-radius:20px;align-items:center;gap:10px;padding:8px 16px;display:flex;position:absolute;top:1rem;box-shadow:0 8px 24px #0003}.ins-callout-icon{font-size:1.2rem}.ins-callout-text{color:var(--text-primary);font-size:.95rem}.ins-callout-text 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.2s;display:flex}.ds-top-label{font-size:var(--text-xs);color:var(--accent-primary);white-space:nowrap;font-weight:500}.ds-pointer{font-size:var(--text-sm);color:var(--text-tertiary);font-family:var(--font-mono);font-weight:600}.ds-empty{padding:var(--space-xl);color:var(--text-tertiary);font-family:var(--font-mono)}.ll-container{align-items:center;gap:var(--space-sm);padding:var(--space-md);max-width:100%;display:flex;overflow-x:auto}.ll-head-label{font-size:var(--text-sm);color:var(--accent-primary);font-weight:600;font-family:var(--font-mono)}.ll-nodes,.ll-node-wrapper{align-items:center;gap:4px;display:flex}.ll-node{border-radius:var(--radius-sm);border:2px solid;transition:all .2s;display:flex;overflow:hidden}.ll-data{font-family:var(--font-mono);font-weight:600;font-size:var(--text-base);padding:10px 16px}.ll-next{font-size:var(--text-sm);color:var(--text-tertiary);border-left:2px solid;align-items:center;padding:10px 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#fff;border-radius:50%}.progress-slider::-moz-range-thumb{background:var(--accent-primary);cursor:pointer;width:16px;height:16px;box-shadow:0 0 8px var(--accent-primary-glow);border:2px solid #fff;border-radius:50%}.controls-row{justify-content:space-between;align-items:center;gap:var(--space-lg);display:flex}.control-group{align-items:center;gap:var(--space-sm);display:flex}.control-btn{border-radius:var(--radius-md);background:var(--bg-tertiary);border:1px solid var(--border-color);width:40px;height:40px;transition:all var(--transition-fast);justify-content:center;align-items:center;font-size:1.2rem;display:flex}.control-btn:hover:not(:disabled){background:var(--bg-card-hover);border-color:var(--border-active);transform:scale(1.05)}.control-btn:disabled{opacity:.3;cursor:not-allowed}.play-btn{background:var(--gradient-primary);width:48px;height:48px;box-shadow:0 4px 12px var(--accent-primary-glow);border:none;border-radius:50%;font-size:1.4rem}.play-btn:hover:not(:disabled){box-shadow:0 6px 20px var(--accent-primary-glow);transform:scale(1.1)}.speed-control{align-items:center;gap:var(--space-sm);display:flex}.speed-label{font-size:var(--text-xs);color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.5px;font-weight:600}.speed-buttons{background:var(--bg-tertiary);border-radius:var(--radius-sm);gap:2px;padding:2px;display:flex}.speed-btn{font-size:var(--text-xs);color:var(--text-tertiary);transition:all var(--transition-fast);font-weight:600;font-family:var(--font-mono);border-radius:4px;padding:4px 10px}.speed-btn:hover{color:var(--text-primary)}.speed-btn.active{background:var(--accent-primary);color:#fff}.shortcuts-hint{gap:var(--space-lg);justify-content:center;display:flex}.shortcuts-hint span{font-size:var(--text-xs);color:var(--text-muted);font-family:var(--font-mono)}@media (width<=768px){.controls-row{flex-direction:column}.shortcuts-hint{display:none}}.code-panel{border-radius:var(--radius-lg);transition:all var(--transition-base);overflow:hidden}.code-panel-header{padding:var(--space-md) var(--space-lg);cursor:pointer;-webkit-user-select:none;user-select:none;transition:background var(--transition-fast);justify-content:space-between;align-items:center;display:flex}.code-panel-header:hover{background:var(--bg-glass)}.code-panel-title{align-items:center;gap:var(--space-sm);display:flex}.code-panel-title h3{font-size:var(--text-base);font-weight:600}.code-icon{font-size:1.1rem}.expand-hint{font-size:var(--text-sm);color:var(--text-tertiary);margin-left:var(--space-xs)}.code-actions{gap:var(--space-sm);display:flex}.copy-btn{border-radius:var(--radius-sm);font-size:var(--text-xs);color:var(--text-secondary);background:var(--bg-tertiary);border:1px solid var(--border-color);transition:all var(--transition-fast);padding:5px 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