.conversion-panel {
            background-color: #f1f5f9;
            border-radius: 1rem;
            padding: 1.5rem;
            margin: 1.5rem 0;
        }
        .unit-badge {
            font-size: 0.8rem;
            background: #e9ecef;
            padding: 0.2rem 0.5rem;
            border-radius: 20px;
        }
        footer {
            background-color: #1a2a3a;
            color: #f8f9fa;
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }
        footer a {
            color: #adb5bd;
            text-decoration: none;
        }
        footer a:hover { color: white; }
        .social-icon {
            color: white;
            margin-right: 1rem;
            font-size: 1.3rem;
        }
        .related-tools-container input, select {
            border-radius: 12px !important;
        }
        .validation-note {
            background-color: #e6f7e6;
            border-left: 4px solid #28a745;
            padding: 0.8rem 1rem;
            border-radius: 12px;
            font-size: 0.9rem;
            margin: 1.2rem 0;
        }