* {
            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;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .container {
            background: white;
            border-radius: 8px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
            padding: 40px;
            max-width: 480px;
            width: 100%;
        }

        h3 {
            text-align: center;
            color: #333;
            margin-bottom: 8px;
            font-size: 28px;
            font-weight: 600;
        }

        .subtitle {
            text-align: center;
            color: #888;
            font-size: 13px;
            margin-bottom: 30px;
        }

        .instructions {
            background: #f8f9fa;
            border-left: 3px solid #667eea;
            padding: 15px;
            margin-bottom: 25px;
            font-size: 14px;
            color: #555;
            line-height: 1.6;
        }

        .form-group {
            margin-bottom: 20px;
        }

        label {
            display: block;
            margin-bottom: 8px;
            color: #555;
            font-size: 14px;
            font-weight: 500;
        }

        input[type="text"] {
            width: 100%;
            padding: 12px;
            border: 2px solid #e0e0e0;
            border-radius: 4px;
            font-size: 15px;
            transition: border-color 0.3s;
        }

        input[type="text"]:focus {
            outline: none;
            border-color: #667eea;
        }

        button {
            width: 100%;
            padding: 12px;
            border: none;
            border-radius: 4px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            margin-bottom: 15px;
        }

        .btn-primary {
            background: #667eea;
            color: white;
        }

        .btn-primary:hover {
            background: #5568d3;
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-secondary {
            background: #e0e0e0;
            color: #999;
            cursor: not-allowed;
        }

        .btn-secondary:enabled {
            background: #28a745;
            color: white;
            cursor: pointer;
        }

        .btn-secondary:enabled:hover {
            background: #218838;
        }

        .token-display {
            background: #f8f9fa;
            border: 2px solid #e0e0e0;
            border-radius: 4px;
            padding: 12px;
            margin-bottom: 15px;
            word-break: break-all;
            font-size: 11px;
            font-family: 'Courier New', monospace;
            color: #333;
            min-height: 44px;
            display: flex;
            align-items: center;
        }

        .token-display.empty {
            color: #999;
            font-style: italic;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            font-size: 13px;
        }

        .link-display {
            display: none;
            margin-top: 15px;
        }

        .link-display.active {
            display: block;
        }