.speed-gauge-container {
            background: #f9f9fc;
            border-radius: 20px;
            padding: 1rem;
            text-align: center;
            margin: 1rem 0;
            border: 1px solid #e9ecef;
        }.author-bio{display:block}
        canvas#speedGauge {
            max-width: 100%;
            height: auto;
            background: transparent;
        }
        .unit-group {
            background: #f8f9fa;
            padding: 0.75rem;
            border-radius: 10px;
            margin-bottom: 1rem;
        }
        .result-badge {
            font-size: 1.6rem;
            font-weight: 700;
            background: linear-gradient(135deg, #0d6efd, #0a58ca);
            color: white;
            padding: 0.4rem 1rem;
            border-radius: 40px;
            display: inline-block;
            margin: 0.25rem 0;
        }
        .conversion-row {
            background-color: white;
            border-radius: 16px;
            padding: 0.75rem;
            margin-bottom: 0.5rem;
            box-shadow: 0 1px 2px rgba(0,0,0,0.05);
        }
        .pace-card {
            background: #e7f1ff;
            border-radius: 16px;
            padding: 0.5rem 1rem;
            text-align: center;
        }
        .example-tag {
            background-color: #e9ecef;
            border-radius: 30px;
            padding: 0.3rem 1rem;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all 0.2s;
            font-weight: 500;
        }
        .example-tag:hover {
            background-color: #dee2e6;
            transform: translateY(-2px);
        }
        .physics-fact {
            border-left: 4px solid #0d6efd;
            background-color: #f1f9ff;
            padding: 1rem;
            border-radius: 12px;
            margin: 1.2rem 0;
        }
        .authority-badge {
            font-size: 0.85rem;
            color: #2c3e66;
        }
        .toast-notify {
            position: fixed;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            background-color: rgba(0,0,0,0.8);
            color: white;
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 0.9rem;
            z-index: 9999;
            opacity: 0;
            transition: opacity 0.2s;
            pointer-events: none;
            backdrop-filter: blur(4px);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .result-badge { font-size: 1.2rem; }
        }