* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            padding: 20px;
            display: flex;
            flex-direction: column;
        }
        
        .container {
            max-width: 900px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            overflow: hidden;
            animation: slideUp 0.8s ease-out;
            flex: 1;
        }
        
        @keyframes slideUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 30px;
            text-align: center;
        }
        
        h1 {
            font-size: 2.5em;
            font-weight: 300;
            letter-spacing: 2px;
            margin-bottom: 10px;
        }
        
        .subtitle {
            opacity: 0.9;
            font-size: 1.1em;
        }
        
        .content {
            padding: 40px;
        }
        
        .input-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-bottom: 40px;
        }
        
        @media (max-width: 768px) {
            .input-section {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        
        .input-card {
            background: #f8f9ff;
            border-radius: 15px;
            padding: 25px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .input-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.12);
        }
        
        .card-title {
            font-size: 1.2em;
            font-weight: 600;
            color: #333;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .icon {
            width: 20px;
            height: 20px;
            fill: #667eea;
        }
        
        input {
            width: 100%;
            padding: 15px;
            border: 2px solid #e1e5f0;
            border-radius: 10px;
            font-size: 16px;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
            background: white;
        }
        
        input:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
        }
        
        button {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 12px 25px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            transition: all 0.3s ease;
            margin-top: 15px;
            width: 100%;
        }
        
        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
        }
        
        button:active {
            transform: translateY(0);
        }
        
        .result {
            background: linear-gradient(135deg, #e8f5e8 0%, #f0f8f0 100%);
            padding: 25px;
            border-radius: 15px;
            margin: 20px 0;
            border: 2px solid #d4edda;
            animation: fadeIn 0.5s ease-out;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: scale(0.95); }
            to { opacity: 1; transform: scale(1); }
        }
        
        .result-item {
            margin: 12px 0;
            padding: 10px;
            background: rgba(255,255,255,0.7);
            border-radius: 8px;
        }
        
        .result-label {
            font-weight: 600;
            color: #2d5a2d;
        }
        
        .result-value {
            font-family: 'Courier New', monospace;
            color: #1a4e1a;
            background: rgba(255,255,255,0.8);
            padding: 5px 10px;
            border-radius: 5px;
            display: inline-block;
            margin-left: 10px;
        }
        
        .section-title {
            font-size: 1.5em;
            color: #333;
            margin: 40px 0 20px 0;
            text-align: center;
            position: relative;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 2px;
        }
        
        .token-map {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
            gap: 12px;
            margin: 30px 0;
        }
        
        .token-item {
            background: linear-gradient(135deg, #f8f9ff 0%, #e8f0ff 100%);
            padding: 12px;
            border-radius: 10px;
            text-align: center;
            font-family: 'Courier New', monospace;
            font-weight: 500;
            border: 1px solid #e1e5f0;
            transition: all 0.3s ease;
        }
        
        .token-item:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(102, 126, 234, 0.15);
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
        }
        
        .token-char {
            font-size: 1.2em;
            display: block;
            margin-bottom: 5px;
        }
        
        .token-num {
            font-size: 0.9em;
            opacity: 0.8;
        }

footer {
    background: #111827;
    color: #d1d5db;
    padding: 25px 0;
    text-align: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin-top: auto; /* This pushes footer to bottom */
    width: 100%;
    position: relative; /* Remove fixed positioning */
    bottom: auto; /* Remove fixed bottom */
    left: auto; /* Remove fixed left */
    border-radius: 20px;
}

/* Ensure footer links have proper hover effects */
footer a {
    color: #d1d5db;
    transition: color 0.3s ease, transform 0.2s ease;
    display: inline-block;
}

footer a:hover {
    color: #ffffff;
    transform: translateY(-2px);
}

/* Add some spacing before footer */
footer::before {
    content: "";
    display: block;
    height: 40px;
}