.result-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .result-card {
            background: #f8f9fc;
            border-radius: 12px;
            padding: 1rem;
            text-align: center;
            border: 1px solid #e9ecef;
            transition: all 0.2s;
        }
        .result-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .result-card .system {
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            font-weight: 600;
            color: #4a627a;
        }
        .result-card .value {
            font-size: 2rem;
            font-weight: 700;
            color: #1a4d8c;
            font-family: 'Courier New', monospace;
        }
        .conversion-note {
            background-color: #eef2fa;
            border-left: 4px solid #2c7da0;
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            border-radius: 8px;
        }
        .size-chart-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.9rem;
        }
        .size-chart-table th, .size-chart-table td {
            padding: 0.7rem;
            border: 1px solid #dee2e6;
            text-align: center;
        }
        .size-chart-table th {
            background-color: #f1f5f9;
            font-weight: 600;
        }
        .measurement-step {
            background: #ffffff;
            border-radius: 12px;
            padding: 1rem;
            margin: 1rem 0;
            box-shadow: 0 1px 2px rgba(0,0,0,0.05);
            border: 1px solid #e2e8f0;
        }