.input-group-custom { margin-bottom: 1rem; }
        .deep-dive { margin: 1.8rem 0; }
        .deep-dive p { text-align: justify; }
        .unit-note { font-size: 0.9rem; color: #6c757d; }
        .coord-input { margin-bottom: 0.5rem; }
        .chart-canvas { width: 100%; height: auto; background-color: #f9f9f9; border: 1px solid #ddd; border-radius: 8px; margin-top: 1.5rem; display: block; cursor: pointer; }
        .canvas-container { text-align: center; margin-top: 1rem; position: relative; }
        .legend { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.8rem; margin: 0.5rem 0; font-size: 0.85rem; }
        .legend-item { display: flex; align-items: center; gap: 0.3rem; background: #f8f9fa; padding: 0.15rem 0.6rem; border-radius: 12px; border: 1px solid #e9ecef; }
        .legend-color { width: 18px; height: 18px; border-radius: 4px; border: 1px solid rgba(0,0,0,0.08); flex-shrink: 0; }
        .legend-label { font-size: 0.75rem; color: #495057; }
        .legend-more { font-style: italic; color: #6c757d; }
        .stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0.75rem; margin: 1rem 0; }
        .stat-card { background: #f8f9fa; border-radius: 6px; padding: 0.75rem 1rem; text-align: center; border: 1px solid #eee; }
        .stat-number { font-size: 1.6rem; font-weight: 700; color: var(--primary-color); }
        .stat-label { font-size: 0.75rem; color: #6c757d; text-transform: uppercase; letter-spacing: 0.5px; }
        .tooltip-info { position: absolute; background: rgba(0, 0, 0, 0.85); color: #fff; padding: 0.6rem 0.9rem; border-radius: 6px; font-size: 0.85rem; pointer-events: none; display: none; z-index: 100; max-width: 240px; backdrop-filter: blur(4px); box-shadow: 0 4px 12px rgba(0,0,0,0.3); }
        .tooltip-info.visible { display: block; }
        .json-editor { font-family: 'Courier New', monospace; font-size: 0.9rem; min-height: 200px; resize: vertical; background: #fafafa; }
        .json-editor:focus { background: #fff; }
        .color-scheme-selector { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; margin: 0.5rem 0 1rem 0; }
        .color-scheme-btn { padding: 0.3rem 0.9rem; border-radius: 20px; border: 2px solid transparent; font-size: 0.8rem; cursor: pointer; transition: all 0.2s; background: #f0f0f0; }
        .color-scheme-btn:hover { transform: scale(1.05); background: #e9ecef; }
        .color-scheme-btn.active { border-color: var(--primary-color); background: rgba(70, 130, 180, 0.15); font-weight: 600; }
        .color-scheme-btn .swatch { display: inline-block; width: 14px; height: 14px; border-radius: 3px; margin-right: 5px; vertical-align: middle; border: 1px solid rgba(0,0,0,0.05); }
        .breadcrumb-item a { text-decoration: none; }
        .breadcrumb-item a:hover { text-decoration: underline; }
        .performance-hint { font-size: 0.9rem; background: #e2f0fb; border-left: 4px solid #0d6efd; padding: 0.5rem 1rem; margin-top: 0.5rem; border-radius: 4px; display: none; }
        .btn-export { margin-left: 0.3rem; }
        @media (max-width: 576px) {
            .color-scheme-selector { gap: 0.3rem; }
            .color-scheme-btn { font-size: 0.7rem; padding: 0.2rem 0.6rem; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
        }