body {
            font-family: Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        .container {
            background-color: #f9f9f9;
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 0 10px rgba(0,0,0,0.1);
        }
        h1 {
            color: #005293;
            text-align: center;
            margin-bottom: 30px;
        }

        .calculator-section {
            background-color: white;
            padding: 25px;
            border-radius: 8px;
            margin-bottom: 25px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        .calculator-section h2 {
            color: #005293;
            margin-top: 0;
            text-align: center;
        }

        .input-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 5px;
            font-weight: bold;
            color: #2c3e50;
        }
        input, select {
            width: 100%;
            padding: 12px;
            border: 2px solid #ddd;
            border-radius: 5px;
            font-size: 16px;
            box-sizing: border-box;
        }
        input:focus, select:focus {
            outline: none;
            border-color: #005293;
        }

        .grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 25px;
        }
        button {
            background-color: #005293;
            color: white;
            padding: 12px 30px;
            border: none;
            border-radius: 5px;
            font-size: 18px;
            cursor: pointer;
            width: 100%;
            margin-top: 20px;
        }
        button:hover {
            background-color: #004280;
        }

        .results {
            background-color: #e8f5e8;
            border: 2px solid #4caf50;
            border-radius: 10px;
            padding: 20px;
            margin-top: 20px;
        }
        .result-item {
            background-color: white;
            padding: 15px;
            border-radius: 5px;
            margin: 10px 0;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        .result-label {
            font-weight: bold;
            color: #2c3e50;
        }
        .result-value {
            font-size: 1.3em;
            color: #005293;
            font-weight: bold;
        }

        .military-standards {
            background: #e8f5e8;
            border-radius: 10px;
            padding: 20px;
            margin: 20px 0;
        }

        .military-standards h4 {
            color: #2e7d32;
            margin-bottom: 15px;
        }

        .standard-item {
            display: flex;
            justify-content: space-between;
            margin: 10px 0;
            padding: 8px 0;
            border-bottom: 1px solid #c8e6c9;
        }

        .standard-item:last-child {
            border-bottom: none;
        }

        .standard-name {
            font-weight: 600;
            color: #2e7d32;
        }

        .standard-limit {
            font-weight: 700;
            color: #1b5e20;
        }

        .measurement-guide {
            background: #fff3e0;
            border-radius: 10px;
            padding: 20px;
            margin: 20px 0;
        }

        .measurement-guide h4 {
            color: #f57c00;
            margin-bottom: 15px;
        }

        .guide-item {
            margin: 10px 0;
            padding: 5px 0;
        }

        .guide-item strong {
            color: #f57c00;
        }

        .info-box {
            background: #e3f2fd;
            border-left: 4px solid #2196f3;
            padding: 20px;
            margin: 20px 0;
            border-radius: 8px;
        }

        .info-box h4 {
            color: #1976d2;
            margin-bottom: 10px;
        }

        .info-box p {
            color: #424242;
            line-height: 1.6;
        }

        .tips {
            background: #fff3e0;
            border-left: 4px solid #ff9800;
            padding: 20px;
            margin: 20px 0;
            border-radius: 8px;
        }

        .tips h4 {
            color: #f57c00;
            margin-bottom: 10px;
        }

        .tips ul {
            color: #424242;
            line-height: 1.6;
            padding-left: 20px;
        }

        .warning {
            background: #ffebee;
            border-left: 4px solid #f44336;
            padding: 20px;
            margin: 20px 0;
            border-radius: 8px;
        }

        .warning h4 {
            color: #d32f2f;
            margin-bottom: 10px;
        }

        .warning p {
            color: #424242;
            line-height: 1.6;
        }

        .pass-fail {
            background: #e8f5e8;
            border-radius: 10px;
            padding: 20px;
            margin: 20px 0;
        }

        .pass-fail h4 {
            color: #2e7d32;
            margin-bottom: 15px;
        }

        .status-item {
            display: flex;
            justify-content: space-between;
            margin: 10px 0;
            padding: 8px 0;
            border-bottom: 1px solid #c8e6c9;
        }

        .status-item:last-child {
            border-bottom: none;
        }

        .status-pass {
            color: #2e7d32;
            font-weight: 700;
        }

        .status-fail {
            color: #d32f2f;
            font-weight: 700;
        }

        @media (max-width: 768px) {
            .grid {
                grid-template-columns: 1fr;
            }
            body {
                padding: 10px;
            }
            .container {
                padding: 20px;
            }
        }