.property-table th,
        .property-table td {
            padding: 0.75rem;
            text-align: left;
            border: 1px solid var(--border-color, #dee2e6);
        }
        .input-group-custom {
            margin-bottom: 1rem;
        }
        .result-value-sm {
            font-weight: 600;
            color: var(--primary-color, #0d6efd);
            font-size: 1.4rem;
        }
        .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;
        }
        .acoustic-canvas {
            width: 100%;
            height: auto;
            background-color: #f9f9f9;
            border: 1px solid #ddd;
            border-radius: 8px;
            margin-top: 1.5rem;
            display: block;
        }
        .canvas-container {
            text-align: center;
            margin-top: 1rem;
        }
        .legend {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin: 0.5rem 0;
            font-size: 0.9rem;
            flex-wrap: wrap;
        }
        .legend-item {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .legend-color {
            width: 16px;
            height: 16px;
            border-radius: 50%;
        }
        .legend-color.blue {
            background-color: #0d6efd;
        }
        .legend-color.red {
            background-color: #dc3545;
        }
        .legend-color.green {
            background-color: #28a745;
        }
        .media-preset {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 0.5rem;
        }
        .media-btn {
            background-color: rgba(30, 130, 180, 0.08);
            border: 1px solid rgba(30, 130, 180, 0.15);
            border-radius: 20px;
            padding: 0.3rem 0.9rem;
            font-size: 0.8rem;
            color: var(--primary-color, #0d6efd);
            cursor: pointer;
            transition: all 0.15s;
        }
        .media-btn:hover {
            background-color: rgba(30, 130, 180, 0.2);
            transform: scale(1.02);
        }
        .media-btn.active {
            background-color: var(--primary-color, #0d6efd);
            color: #fff;
            border-color: var(--primary-color, #0d6efd);
        }
        .spectrum-badge {
            display: inline-block;
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
        }
        .spectrum-badge.infra {
            background-color: #6c757d;
            color: #fff;
        }
        .spectrum-badge.audible {
            background-color: #28a745;
            color: #fff;
        }
        .spectrum-badge.ultra {
            background-color: #dc3545;
            color: #fff;
        }
        .result-card {
            background: #f8faff;
            border-radius: 8px;
            padding: 1.2rem;
            border: 1px solid #e9ecef;
            margin: 0.5rem 0;
        }
        .result-card .label {
            font-size: 0.85rem;
            color: #6c757d;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .result-card .value {
            font-size: 1.8rem;
            font-weight: 600;
            color: #0d6efd;
        }
        .result-card .unit {
            font-size: 1rem;
            color: #6c757d;
            margin-left: 0.3rem;
        }
        .tool-header .badge {
            font-size: 0.8rem;
            vertical-align: middle;
        }
        .frequency-slider {
            width: 100%;
            margin: 0.5rem 0 1rem 0;
        }
        .slider-labels {
            display: flex;
            justify-content: space-between;
            font-size: 0.8rem;
            color: #6c757d;
        }
        .reference-table td {
            font-size: 0.95rem;
        }
        .reference-table .medium-name {
            font-weight: 500;
        }
        .reference-table .speed-value {
            font-family: 'Courier New', monospace;
        }
        .toast-custom {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: #333;
            color: #fff;
            padding: 12px 24px;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.3);
            z-index: 9999;
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.3s, transform 0.3s;
            pointer-events: none;
            max-width: 400px;
            font-size: 0.95rem;
        }
        .toast-custom.show {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }
        .toast-custom.success { background: #28a745; }
        .toast-custom.error { background: #dc3545; }
        .toast-custom.info { background: #17a2b8; }
        @media (max-width: 576px) {
            .result-card .value {
                font-size: 1.4rem;
            }
            .legend {
                gap: 0.8rem;
            }
            .toast-custom {
                left: 20px;
                right: 20px;
                bottom: 20px;
                max-width: none;
            }
        }