body {
            margin: 0;
            padding: 0;
            background-color: rgb(3, 7, 18);
            color: rgb(243, 244, 246);
            font-family: 'Inter', sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        canvas#particles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            display: block;
            opacity: 0.3;
            pointer-events: none;
            z-index: 0;
        }
        
        .backdrop-gradient {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(3, 7, 18, 0) 50%, rgba(168, 85, 247, 0.05) 100%);
            pointer-events: none;
            z-index: 0;
        }
        
        header {
            position: relative;
            z-index: 10;
            padding: 40px 20px 20px;
            text-align: center;
            background: rgba(0, 0, 0, 0.4);
            border-bottom: 1px solid rgba(96, 165, 250, 0.2);
        }
        
        header h1 {
            font-size: 2.5em;
            margin: 0 0 10px 0;
            background: linear-gradient(135deg, rgb(96, 165, 250), rgb(168, 85, 247));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        header p {
            margin: 10px 0 0 0;
            color: rgb(209, 213, 219);
            font-size: 1.1em;
        }
        
        main {
            position: relative;
            z-index: 10;
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 20px;
        }
        
        .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        
        @media (max-width: 768px) {
            .container {
                grid-template-columns: 1fr;
            }
        }
        
        .card {
            background: rgba(31, 41, 55, 0.8);
            border: 1px solid rgba(96, 165, 250, 0.3);
            border-radius: 12px;
            padding: 30px;
            backdrop-filter: blur(10px);
        }
        
        .card h2 {
            font-size: 1.5em;
            margin: 0 0 20px 0;
            color: rgb(96, 165, 250);
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: rgb(209, 213, 219);
        }
        
        input, select {
            width: 100%;
            padding: 12px;
            background: rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(96, 165, 250, 0.2);
            border-radius: 8px;
            color: rgb(243, 244, 246);
            font-size: 1em;
            font-family: 'Inter', sans-serif;
            box-sizing: border-box;
        }
        
        input:focus, select:focus {
            outline: none;
            border-color: rgb(96, 165, 250);
            box-shadow: 0 0 10px rgba(96, 165, 250, 0.3);
        }
        
        button {
            width: 100%;
            padding: 12px;
            background: linear-gradient(135deg, rgb(59, 130, 246), rgb(96, 165, 250));
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1em;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            margin-top: 10px;
        }
        
        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(96, 165, 250, 0.4);
        }
        
        .result-section {
            background: rgba(96, 165, 250, 0.1);
            border: 2px solid rgb(96, 165, 250);
            border-radius: 12px;
            padding: 24px;
            margin-top: 30px;
            display: none;
        }
        
        .result-section.show {
            display: block;
        }
        
        .result-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }
        
        .result-item {
            background: rgba(0, 0, 0, 0.3);
            padding: 16px;
            border-radius: 8px;
            border-left: 4px solid rgb(96, 165, 250);
        }
        
        .result-label {
            font-size: 0.9em;
            color: rgb(156, 163, 175);
            margin-bottom: 8px;
        }
        
        .result-value {
            font-size: 1.8em;
            font-weight: bold;
            color: rgb(96, 165, 250);
        }
        
        .units {
            font-size: 0.8em;
            color: rgb(156, 163, 175);
            margin-left: 4px;
        }
        
        .help-text {
            font-size: 0.85em;
            color: rgb(156, 163, 175);
            margin-top: 6px;
        }
        
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 20px;
        }
        
        .comparison-table th,
        .comparison-table td {
            padding: 12px;
            text-align: left;
            border-bottom: 1px solid rgba(96, 165, 250, 0.2);
        }
        
        .comparison-table th {
            background: rgba(96, 165, 250, 0.1);
            font-weight: 600;
        }
        
        .comparison-table tr:hover {
            background: rgba(96, 165, 250, 0.05);
        }
        
        .increase {
            color: rgb(34, 197, 94);
            font-weight: 600;
        }